JP5378254B2 - Interior panel mounting structure of steel shell structure and interior panel construction method - Google Patents

Description

  The present invention relates to an interior panel mounting structure and an interior panel construction method for a steel shell structure in which an interior panel is attached to a steel shell structure in which a separator is provided between steel shells arranged at predetermined intervals.

  Conventionally, a steel shell submerged tunnel is known as a steel shell structure in which a separator is provided between steel shells arranged at predetermined intervals. The steel shell submerged tunnel forms a box-shaped steel shell body with double inner and outer steel shells by connecting the steel shells arranged at predetermined intervals with a separator, and this steel shell body is formed into a molding die. As a frame, a solid structure such as concrete or mortar is filled between the steel shells on both sides to form a tunnel structure, and this tunnel structure is sequentially submerged and connected to the seabed to create a long tunnel space. To form.

  Generally, an interior panel such as a fireproof panel is attached to the inner surface of such a steel shell submerged tunnel. The attachment of the interior panel to the inner surface of the steel shell submerged tunnel is performed using the end of the separator as disclosed in Patent Document 1, for example. In this mounting structure, an auxiliary metal fitting having a symmetrical Ω-shaped cross-sectional view is fixed to the end of the separator protruding to the tunnel space side, and a panel having insertion pieces on both sides of the U-shaped base at both ends of the auxiliary metal fitting The support fitting is fixed, and the insertion piece of the support fitting is inserted and fitted between the back surface of the interior panel and the locking fitting provided on the back surface.

JP 2008-82052 A

  By the way, the attachment of the interior panel to the inner surface of the steel shell submerged tunnel requires that the end of the separator be disposed corresponding to the adjacent location of the adjacent interior panel, but the separator produces a steel shell body. Since the arrangement has already been decided at the time of doing, it can not be changed later. For this reason, there is a demand for a configuration that can perform the construction work efficiently and easily even when the separator is not arranged at the right position when attaching the interior panel using the separator.

  The present invention is proposed in view of the above problems, and it is also possible to attach an interior panel that uses the end portion of the separator, and when the end portion of the separator is not disposed corresponding to the adjacent location of the adjacent interior panel. An interior panel can be attached and construction work can be performed efficiently and easily.

An interior panel mounting structure for a steel shell structure according to the present invention includes a steel shell disposed at a predetermined interval, a separator provided between the steel shells, and at least one end projecting outward from the steel shell, A panel support provided between adjacent interior panels and fixed to each of the interior panels; fixed to the projecting end of the separator; on the opposite side of the steel shell An attachment auxiliary part having a projecting piece, a clamping part is provided on the steel shell side of the panel support, and by sandwiching the projecting piece inserted by the clamping part, the panel support and the An attachment auxiliary part is attached.
In the above configuration, by providing an attachment auxiliary portion at the end portion of the separator and attaching the protruding piece to the holding portion, even when the end portion of the separator is not arranged corresponding to the adjacent location of the adjacent interior panel, The panel support can be attached to an arbitrary position to attach the interior panel, and the construction work can be performed efficiently and easily. In addition, by attaching the projecting piece of the auxiliary mounting part by sandwiching it with the sandwiching part of the panel support, it is possible to reduce the number of fixing parts by attaching the interior panel using the end part of the separator, and to make the construction work easy and speedy. Can be possible. Moreover, it is not necessary to form a bolt insertion hole for fixing to the panel support tool in the attachment assisting portion, so that the labor for processing the member can be reduced.

An interior panel mounting structure for a steel shell structure according to the present invention includes: a mounting substrate in which the clamping portion of the panel support is provided substantially parallel to a panel surface of the interior panel; and the mounting substrate on a side opposite to the interior panel. The projecting piece is arranged substantially in parallel with the panel surface of the interior panel.
In the said structure, a panel support tool and an interior panel can be installed more stably.

In the interior panel mounting structure for a steel shell structure according to the present invention, the mounting auxiliary portion has one protruding piece fixed to the protruding end of the separator, and the other protruding piece to the clamping portion of the panel support. It is characterized by making it an auxiliary tool having a substantially Z-shape in a sectional view into which is inserted.
In the above configuration, for example, the bracket or auxiliary tool and the bolt, nut, etc., which are required when the mounting auxiliary part is configured by the bracket, the auxiliary tool, and the bolt, nut, etc. for fixing them, can be eliminated. This makes it possible to perform construction work more easily and speedily.

An interior panel construction method for a steel shell structure according to the present invention includes a steel shell disposed at a predetermined interval, a separator provided between the steel shells, and at least one end projecting outward from the steel shell. When the panel support member that is provided across the adjacent interior panels and is fixedly attached to each of the interior panels is placed with respect to the steel shell structure composed of the projecting end of the separator The projecting piece of the mounting auxiliary part fixed to the steel shell and having a projecting piece on the opposite side of the steel shell is inserted into a sandwiching part provided on the steel shell side of the panel support, and the projecting of the sandwiching part A step of attaching the panel supporter and the attachment auxiliary portion by clamping to a piece is provided.
In the above configuration, by providing an attachment auxiliary portion at the end portion of the separator and attaching the protruding piece to the holding portion, even when the end portion of the separator is not arranged corresponding to the adjacent location of the adjacent interior panel, The panel support can be attached to an arbitrary position to attach the interior panel, and the construction work can be performed efficiently and easily. In addition, by attaching the projecting piece of the auxiliary mounting part by sandwiching it with the sandwiching part of the panel support, it is possible to reduce the number of fixing parts by attaching the interior panel using the end part of the separator, and to make the construction work easy and speedy. Can be possible. Moreover, it is not necessary to form a bolt insertion hole for fixing to the panel support tool in the attachment assisting portion, so that the labor for processing the member can be reduced.

  The steel panel structure interior panel mounting structure or interior panel construction method according to the present invention can be applied to any panel support even when the end of the separator is not disposed corresponding to the adjacent location of the adjacent interior panel. The interior panel can be attached by attaching to the position, and the construction work can be performed efficiently and easily. Moreover, by attaching the interior panel using the end portion of the separator, it is possible to reduce the number of fixing parts and enable easy and speedy construction work. Moreover, it is not necessary to form a bolt insertion hole for fixing to the panel support tool in the attachment assisting portion, so that the labor for processing the member can be reduced.

The cross-sectional front view of the steel shell structure (steel shell submerged tunnel) to which the interior panel mounting structure of the steel shell structure of the first embodiment according to the present invention is applied. (A)-(c) is an enlarged view of the ac part of FIG. The enlarged view of the d section of Drawing 2 (b) and Drawing 2 (c). (A) is a perspective view of the panel support tool in 1st Embodiment, (b) is a perspective explanatory drawing explaining attachment of the auxiliary tool and panel support tool in 1st Embodiment. The enlarged view of the site | part corresponded in FIG. 3 in the interior panel mounting structure of the steel shell structure of 2nd Embodiment by this invention. (A), (b) is a perspective view of the panel support tool of the modification by this invention. The enlarged view of the site | part corresponded to d part of FIG.2 (b) and FIG.2 (c) of the modification of 1st Embodiment.

[Interior panel mounting structure and interior panel construction method for steel shell structure of first embodiment]
The interior panel mounting structure and interior panel construction method for a steel shell structure according to the first embodiment of the present invention will be described. 1 is a cross-sectional front view of a steel shell structure (steel shell submerged tunnel) to which the interior panel mounting structure of the steel shell structure of the first embodiment is applied, and FIGS. 2 (a) to 2 (c) are a in FIG. FIG. FIG. 3 is an enlarged view of a portion d in FIGS. 2B and 2C.

  The steel shell structure provided with the interior panel mounting structure of the steel shell structure of the first embodiment is a steel shell submerged tunnel 1 shown in FIGS. 1 and 2, and the steel shell submerged tunnel 1 is formed of a steel plate or the like. A plurality of steel shells 1b formed of a steel plate or the like are arranged at predetermined intervals in the outer steel shell 1a having a rectangular cross section, and the adjacent steel shells 1b and 1a in the inner and outer directions and in the lateral direction, A solidified material 1c such as concrete or mortar is filled between the steel shells 1b and 1b to form a tunnel structure T having tunnel spaces S1 to S5 therein. Then, the tunnel structure T is sequentially submerged to the seabed and the like, and this is sequentially connected by a connecting bolt or the like, and the tunnel spaces S1 to S5 are made continuous, whereby the steel shell submerged tunnel 1 is formed.

  As shown in FIGS. 2 and 3, a rod-shaped separator 2 is provided between the steel shells 1b and 1a and the steel shells 1b and 1b that are adjacent in the inner and outer directions and in the lateral direction, and the separator 2 is a steel shell 1b. Alternatively, a large number of steel shells 1a are provided at predetermined intervals in the vertical and horizontal directions in the surface direction. Each separator 2 is formed with a thread groove 2b having a predetermined length, which is a male screw, at both end portions 2a and 2a. In the separator 2 provided between the steel shells 1b and 1a, one end portion 2a passes through the steel shell 1b on one side and protrudes to the outer tunnel space side, and the nut 4 is inserted into the screw groove 2b via a washer 41. Are screwed together to hold the steel shell 1b from the outside with the nut 4, and the other end 2a is screwed into the nut 3 fixed to the other steel shell 1a by welding or the like. In the separator 2 provided between the steel shells 1b and 1b, one end 2a penetrates the steel shell 1b on one side and protrudes toward the outer tunnel space side, and the other end 2a is on the other side. The steel shell 1b is protruded to the outer tunnel space side, and the nut 4 is screwed into the screw groove 2b of each end portion 2a via the washer 41. Hold from. By maintaining the interval by the separator 2, the steel shells 1b and 1a are prevented from squeezing out to the tunnel space S1 to S5 side or the outside of the tunnel structure T by the pressure when filling the consolidated material 1c.

  Further, the end portion 2a of the separator 2 provided between the steel shells 1b and 1b at a predetermined position has a substantially L-shaped section 5 in a sectional view and a short bracket 5 fixed to the bracket 5 in a sectional view. A rod-shaped auxiliary tool 6 is provided. The bracket 5 and the auxiliary tool 6 are fixed to the protruding end portion 2a of the separator 2, and constitute an attachment auxiliary portion having another piece 62 described later corresponding to the protruding piece on the opposite side to the steel shell 1b. The bracket 5 is made of metal having a required strength having one piece 51 and another piece 52, and the one piece 51 is provided with an end 2a of the separator 2 penetrating through a through hole (not shown), and a steel shell 1b. One piece 51 is sandwiched and fixed by the nut 4 and the washer 41, and a through hole (not shown) is formed in the other piece 52.

  As shown in FIG. 3, the auxiliary tool 6 is made of a metal having a required strength having a piece 61 and another piece 62, and a through-hole (not shown) is formed in the piece 61. The other piece 52 is disposed so as to overlap the other piece 52, and in the illustrated example, the other piece 62 is disposed on the upper surface side of the other piece 52. Arranged substantially in parallel. And the bolt 71 is penetrated in the through hole of the correspondingly arranged one piece 61 and the other piece 52, and the one piece 61 and the other piece 52 are sandwiched between the bolt 71 and the nut 72 screwed to this through the washer 73. The bracket 5 and the auxiliary tool 6 are fixed, and the bracket 5 and the auxiliary tool 6 are configured in a substantially Z shape in a sectional view as a whole. Further, the piece 61 of the auxiliary tool 6 is similarly fixed to the bracket 5 provided at the end 2a of another separator 2 provided between the steel shells 1b and 1b in parallel with the separator 2, in other words, The auxiliary tool 6 is provided so as to be bridged to the end portions 2a and 2a of the separators 2 and 2 or the end portions 2a of three or more separators 2.

  The other piece 62 of the auxiliary tool 6 is provided with a panel support 8 that is provided across the fireproof panels 10 and 10 that are adjacent interior panels and is fixedly attached to each of the fireproof panels 10. The panel support 8 is made of metal or the like having a required strength, and is an approximately Ω-shaped member in cross-sectional view as shown in FIGS. 3 and 4, and is provided substantially parallel to the panel surface of the fireproof panel 10. The board 81, the inner projecting portions 82a and 82b that are bent substantially at right angles from both side edges of the mounting substrate 81 and extend toward the fireproof panel 10, and the inner projecting portions 82a and 82b are bent substantially at right angles. It has insertion piece 83a, 83b extended outside, and one inner side protrusion part 82a and insertion piece 83a are not formed in the center part, but are formed in a pair on both sides. Further, the central portion is bent at a substantially right angle from the edge of the mounting substrate 81 and extends to the opposite side of the inner protrusion 82a, and is bent at a substantially right angle from the edge of the outer protrusion 84. A locking piece 85 extending to the mounting substrate 71 side is formed, and a locking piece 85 formed substantially in parallel to the mounting substrate 81 on the opposite side to the fireproof panel 10, and a mounting substrate 81 facing the locking piece 85, The clamping part provided in the steel shell 1b side is comprised. In addition, the outer side protrusion part 84 and the latching piece 85, the inner side protrusion part 82a, and the insertion piece 83a form a notch | incision in the location used as the boundary of a board | plate material, for example, and form it by bending.

  The other piece 62 of the auxiliary tool 6 is inserted between the mounting board 81 and the locking piece 85 of the panel support 8, and the other piece 62 is sandwiched between the mounting board 81 and the locking piece 85, so that the panel The support tool 8 and the auxiliary tool 8 are attached, in other words, the panel support tool 8 and the attachment auxiliary part are attached. In the panel support 8, the contact area with respect to the other piece 62 to be sandwiched can be increased and the other piece 62 can be stably held by the mounting substrate 81 and the plate-like locking piece 85 opposed thereto. The length of the region sandwiching the other piece 62 between the mounting substrate 81 and the locking piece 85 (the vertical length in FIG. 3) is, for example, 30 to 30 mm when the thickness of the fireproof panel 10 is about 27 mm. When it is about 35 mm, the other piece 62 can be stably held, which is good.

  And in this embodiment, the fireproof panel 10 which is an interior panel is attached to the inner surface of tunnel space S1-S4 except tunnel space S1, S5 used as emergency passages of the right and left sides of FIG. In addition, when placing concrete in the bottom of the inner surface of the tunnel space in order to form a road or the like, since the concrete also serves as a fireproof coating for the tunnel structure T, it is not necessary to attach the fireproof panel 10 to the bottom. .

  The fireproof panel 10 is provided with one locking tool 11 at each of the four corners on the back side corresponding to the mounting position of the panel support 8. The locking tool 11 is formed in a substantially band plate shape as a whole, and attachment portions that are bent and formed in steps in the thickness direction are provided at both ends thereof. The locking tool 11 is attached to the fireproof panel 10 by inserting the bolt 12 into the mounting hole of the mounting portion and screwing it into the insert nut 13 embedded in the fireproof panel 10. A slit-like gap is formed between the central portion of the locking tool 11 and the fireproof panel 10, and the insert pieces 83a and 83b of the panel support 8 are inserted into the gap so that the fireproof panel 10 is engaged and held. Is done.

  When constructing the interior panel mounting structure or constructing the fireproof panel 10 which is an interior panel, for example, the bracket 5 and the auxiliary tool 6 are fixed to the end 2a of the separator 2 in advance, or fixed as necessary. 6 is inserted between the mounting board 81 and the locking piece 85 of the panel support 8, and the other piece 62 is sandwiched between the mounting board 81 and the locking piece 85 to assist the panel support 8 Attach tool 6. And the fireproof panel 10 is attached by inserting the insertion piece 83a * 83b of the panel support tool 8 in the clearance gap between the fireproof panels 10 * 10 arrange | positioned adjacently.

  In the first embodiment, the separator is mounted by sandwiching and attaching the other piece 62 of the auxiliary tool 6 constituting the protruding piece of the attachment auxiliary part by the attachment substrate 71 constituting the holding part of the panel support 8 and the locking piece 75. By attaching the fireproof panel 10 using the two end portions 2a, it is possible to reduce the number of fixing parts and enable easy and speedy construction work. Moreover, it is not necessary to form a bolt insertion hole for fixing the auxiliary tool 6 to the panel support 8, and the labor for processing the member can be reduced. Further, the panel support 8 can be attached at an arbitrary position with respect to the auxiliary tool 6. Moreover, the panel support 8 and the fireproof panel 10 can be more stably installed by the mounting substrate 71, the locking piece 75, and the other piece 62 of the auxiliary tool 6 having the above-described configuration.

[Interior panel mounting structure and interior panel construction method for steel shell structure of second embodiment]
Next, a steel shell structure interior panel mounting structure and interior panel construction method according to a second embodiment of the present invention will be described. FIG. 5 is an enlarged view of a portion corresponding to FIG. 3 in the interior panel mounting structure of the steel shell structure of the second embodiment.

  In 2nd Embodiment, it replaces with the attachment auxiliary | assistance part comprised with the bracket 5 and auxiliary | assistant tool 6 of 1st Embodiment, and as shown in FIG. A substantially Z-shaped auxiliary tool 9 is provided as an attachment auxiliary portion. The auxiliary tool 9 is a long rod-like member made of metal having a required strength and having a substantially Z-shape in cross-section, and is bent at a substantially right angle from the substrate 91 and one edge in the width direction of the substrate 91. One protruding piece 92 that protrudes and the other protruding piece 93 that bends and protrudes at a substantially right angle from the edge opposite to the one end edge in the width direction of the substrate 91 are configured.

  Through holes (not shown) are formed in the one protruding piece 92 of the auxiliary tool 9 at a predetermined interval, and the one protruding piece 92 penetrates the end 2a of the separator 2 through the through hole, for example, a steel shell 1b. The nut 14 is provided on the end 2a on the outer side of the nut 14 and the washer 141 which is in contact with the nut 14 spaced apart from or in contact with the nut 14. The nut 15 is screwed into the screw groove 2b via a washer 151 on the outer side of the one protruding piece 92 of the auxiliary tool 9 at the end 2a of the separator 2, and the one protruding piece 92 is a pair of protruding pieces 92. It is clamped by the nuts 14 and 15 and fixed to the end 2a. In addition, the other protruding piece 93 of the auxiliary tool 9 constituting the protruding piece of the mounting auxiliary part is inserted between the mounting board 81 and the locking piece 85 of the panel support 8, and the mounting board 81 constituting the clamping part. The panel support 8 and the auxiliary tool 9 are attached by being sandwiched by the locking piece 85. Other configurations are the same as those of the first embodiment.

  When constructing this interior panel mounting structure or constructing the fireproof panel 10 which is an interior panel, for example, the auxiliary tool 9 is fixed to the end 2a of the separator 2 in advance or as necessary, and the other side of the auxiliary tool 9 is fixed. The projection piece 93 is inserted between the mounting board 81 and the locking piece 85 of the panel support 8, and the other protruding piece 93 is sandwiched between the mounting board 81 and the locking piece 85. The auxiliary tool 9 is attached. And the fireproof panel 10 is attached by inserting the insertion piece 83a * 83b of the panel support tool 8 in the clearance gap between the fireproof panels 10 * 10 arrange | positioned adjacently.

  In addition to having the same effect as the first embodiment, the second embodiment is necessary when the auxiliary mounting portion is constituted by the bracket 5, the auxiliary tool 6, the bolt 71, the nut 72, and the like for fixing them. These parts can be eliminated, the number of parts can be further reduced, and an easier and speedy construction work can be performed. Further, by sandwiching one projecting piece 92 of the auxiliary tool 9 by screwing the pair of nuts 14 and 15, the screwing position of the pair of nuts 14 and 15 at the separator end 2a is adjusted and the auxiliary tool 9 It is possible to adjust the installation position and adjust the installation position of the fireproof panel 10. Note that the auxiliary tool having a substantially Z-shape in cross section can be a separate type composed of a plurality of members.

[Modifications of Embodiment, etc.]
In addition to the configurations of the inventions and embodiments, the invention disclosed in the present specification includes those specified by changing these partial configurations to other configurations disclosed in the present specification, or these configurations. Also included are those specified by adding other configurations disclosed in the specification, or those obtained by deleting these partial configurations to the extent that partial effects can be obtained and specifying them as a high-level concept. Various modifications are also included.

  For example, the panel support in this invention is not limited to the shape of the panel support 8 of the said embodiment, For example, it is good also as a shape shown to Fig.6 (a), (b). The panel support 16 in FIG. 6A is made of a metal having a required strength, is a member having a substantially Ω-shape in cross-sectional view, and is provided with a mounting substrate 161 provided substantially parallel to the panel surface of the fireproof panel 10; The inner projecting portions 162a and 162b that are bent at substantially right angles from both side edges of the mounting substrate 161 and extend toward the fireproof panel 10, and the difference between the inner projecting portions 162a and 162b that are bent at substantially right angles and extended outward from the respective edges of the inner projecting portions 162a and 162b. The protruding pieces 163 and 163, the outer protruding portion 164 extending from the central portion of one inner protruding portion 162a on the opposite side of the inner protruding portion 82a, and bent at a substantially right angle from the edge of the outer protruding portion 164, are attached to the mounting substrate 161 side. And the other piece 62 of the auxiliary tool 6 or the other protruding piece 93 of the auxiliary tool 9 with the locking piece 165 and the mounting board 161 formed substantially parallel to the mounting board 161. Pinch Part make up the. An opening 166 is formed at a position corresponding to the outer protruding portion 164 and the locking piece 165 of the mounting substrate 161, and the outer protruding portion 164 and the locking piece 165 form, for example, a U-shaped cut in the mounting substrate 161. And it is formed by bending the part surrounded by this notch.

  In the panel support 16 of FIG. 6A, the mounting substrate 161 and the locking piece 165 are alternately provided without facing each other, and the other piece 62 or the other protruding piece is placed in the opening 166 facing the locking piece 165. 93 can be held so as to be urged, so that the other piece 62 or the other protruding piece 93 can be stably held. Note that the length of the holding region corresponding to the length in the extending direction of the locking piece 165 can be set similarly to the above embodiment.

  Further, the panel support 17 in FIG. 6B is made of a metal having a required strength, and is a member having a substantially Ω shape in a cross-sectional view, and is provided with a mounting substrate 171 provided substantially in parallel with the panel surface of the fireproof panel 10. And bent at substantially right angles from both side edges of the mounting substrate 171 and extended toward the fireproof panel 10 side, and bent outward at right angles from the respective edges of the inner protrusions 172a, 172b. Insertion pieces 173 and 173 that extend, wide outer projecting portions 174a and narrow outer projecting portions 174b that extend from both side portions of one inner projecting portion 172a opposite to the inner projecting portions 172a, and outer projecting portions 174a and 174b Each of which has a wide locking piece 175a and a narrow locking piece 175b which are bent substantially at right angles and extend toward the mounting substrate 171 and are formed substantially in parallel with the mounting substrate 171. 175a, between 175b and the mounting substrate 171, constituting a clamping portion for holding the other piece 62 or the other of the projecting pieces 93 of the assisting tool 9 of the auxiliary device 6. A notch 176 is formed at a position corresponding to the outer protrusions 174a and 174b and the locking pieces 175a and 175b of the mounting substrate 171, and the outer protrusions 174a and 174b and the locking pieces 175a and 175b are, for example, the mounting substrate. 171 is formed by bending a part or all of the notch 176. The widths of the outer protrusions 174a and 174b and the locking pieces 175a and 175b may be the same.

  In the panel support 17 of FIG. 6B, the mounting substrate 171 and the locking pieces 175a and 175b are alternately provided without facing each other, and the other piece 62 is provided in the notch 176 facing the locking pieces 175a and 175b. Alternatively, the other protruding piece 93 can be clamped so as to be biased, so that the other piece 62 or the other protruding piece 93 can be stably held. In addition, the length can be set similarly to the said embodiment in the clamping area | region corresponding to the length of the extending direction of locking piece 175a, 175b.

  Moreover, the rod-shaped separator 2 is good also as a full screw volt | bolt which has a screw groove over the perimeter. Moreover, if the latching tool 11 is a position which can be attached via an attachment auxiliary | assistant part, the panel support tool 8, etc., it can be provided in the appropriate position of the fireproof panel 10. FIG. The interior panel can be various interior panels other than the fireproof panel 10.

  As a modification of the first embodiment shown in FIG. 7, one end 2a of the separator 2 penetrates the steel shell 1b on one side and protrudes to the outer tunnel space side, and a square washer 200 is formed on the protruding portion. The nut 5 may be fitted into the screw groove 2b on the end portion side through the washer 41, and the steel shell 1b may be pressed from the outside by the nut 4. In this example, when the rust preventive agent is applied to the steel shell 1b having the square washer 200 on the separator 2, the state where the square washer 200 of the separator 2 is attached is maintained, and a portion without the rust preventive agent is generated. Can be prevented, and the trouble of removing the square washer 200 can be eliminated.

  The present invention can be used when an interior panel is attached to a steel shell structure such as a steel shell submerged tunnel.

DESCRIPTION OF SYMBOLS 1 ... Steel shell submerged tunnel 1a, 1b, 101 ... Steel shell 1c ... Consolidated material 2 ... Bar-shaped separator 2a, 103a ... End part 2b ... Screw groove 3, 4, 72, 14, 15, 104b, 106c, 108c ... Nuts 41, 73, 141, 151, 104a, 106b, 108b ... Washers 5, 102 ... Brackets 51, 102a, 61, 105a ... One piece 52, 102b, 62, 105b ... Other pieces 6 ... Auxiliary tools 71, 12, 110, 106a, 108a ... Bolts 8, 16, 17 ... Panel support 81, 161, 171 ... Mounting board 82a, 82b, 162a, 162b, 172a, 172b ... Inside protrusion 83a, 83b, 163, 173 ... Insertion piece 84, 164, 174a, 174b ... outside protrusion 85, 165, 175a, 175b ... locking piece 166 Opening 176 ... Notch 9 ... Auxiliary tool 91 ... Substrate 92 ... One protruding piece 93 ... The other protruding piece 10 ... Fireproof panel 11 ... Locking tool 13 ... Insert nut 103 ... Separator 105 ... Auxiliary metal fitting 107 ... Panel support metal fitting 107a ... Base 107b ... Insert piece 109 ... Interior panel 111 ... Locking bracket 200 ... Square washer T ... Tunnel structure S1 to S5 ... Tunnel space

Claims (4)

Steel shells arranged at predetermined intervals;
A separator provided between the steel shells, at least one end protruding outward from the steel shell;
A panel support that is provided across adjacent interior panels and is fixedly attached to each of the interior panels; and
A fixing auxiliary portion fixed to the protruding end of the separator and having a protruding piece on the opposite side of the steel shell;
A clamping part is provided on the steel shell side of the panel support, and the panel support and the attachment auxiliary part are attached by clamping the protruding piece inserted by the clamping part. Steel panel structure interior panel mounting structure. The clamping part of the panel supporter includes a mounting substrate provided substantially parallel to the panel surface of the interior panel, and a locking piece formed substantially parallel to the mounting substrate on the opposite side to the interior panel. Configure
2. The interior panel mounting structure for a steel shell structure according to claim 1, wherein the projecting piece is disposed substantially in parallel with a panel surface of the interior panel.   The mounting auxiliary portion has a substantially Z-shaped cross-sectional view of an integrated type in which one protruding piece is fixed to the protruding end portion of the separator and the other protruding piece is inserted into the holding portion of the panel support. The interior panel mounting structure for a steel shell structure according to claim 1 or 2, wherein the structure is an auxiliary tool. Steel shells arranged at predetermined intervals;
With respect to the steel shell structure that is provided between the steel shells and that includes at least one end portion that protrudes outward from the steel shell,
When placing a panel support that is provided across adjacent interior panels and is installed stationary on each of the interior panels,
The protruding piece of the auxiliary mounting portion fixed to the protruding end portion of the separator and having a protruding piece on the opposite side of the steel shell is inserted into a holding portion provided on the steel shell side of the panel support. An interior panel construction method for a steel shell structure comprising the step of attaching the panel support and the attachment auxiliary part by clamping the clamping part to the protruding piece.

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