JPH0791871B2 - Supporting member and closing member for interlayer gap and method for closing interlayer gap - Google Patents

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a support member and a closing member for an interlayer gap, and a method for closing an interlayer gap. Particularly, it is possible to improve safety and quickness at the time of working, and avoid adverse effects on walls and the like. The present invention relates to a support member and a closing member for an interlayer gap that can effectively close the interlayer gap, and a method for closing the interlayer gap.

[0002]

2. Description of the Related Art Conventionally, the Building Standards Law is obliged to close the interlayer gap between a wall of a building or the like and a floor slab with a fireproof material for the purpose of fire prevention.

Conventionally, in order to close this gap, as shown in FIGS. 8 and 9, a strip-shaped wire mesh U formed in a substantially grooved cross section is welded to a large number of locking members P in the Z cross section. The blocking member V fixed via the connecting member Q is locked to the floor slab S by the means described above, and the refractory material R is filled in the interlayer gap C formed by the blocking member V, the wall W and the floor slab S. Thus, the interlayer gap C was closed with the refractory material R.

However, in such a conventional method, welding work is required on the spot to fix the block V to the floor slab S, and the welding work on the spot is not suitable as a scaffold. Not only the safety of the workers is poor, but the workability is poor, manufacturing errors are likely to occur, accuracy cannot be satisfied, and there is a problem that a fire may occur due to the influence of heat during welding and sparks scattering. In addition, there is a problem that the wall W, sash, glass, etc. are adversely affected, and it is necessary to cut the blocking material V on site to adjust the length. There was a problem that it took a lot of manpower and the construction cost was high.

[0005]

In view of the problems of the prior art as described above, the main object of the present invention is to provide a support member and a closing member as a member for closing the interlayer gap, thereby providing a structure. It is simple and easy and surely possible to perform the closing work of the interlayer gap, and it is possible to improve the safety and promptness at the time of work and to reduce the construction cost. It is to provide a method for closing a support member, a closing member, and an interlayer gap.

[0006]

According to the present invention, such an object is to provide a vertical fitting portion which fits into a vertical fitting hole provided on the upper surface of the floor slab, the floor slab and the wall. A thin rod-shaped member composed of a horizontal support portion that supports an interlayer gap closing lath that carries a refractory material that closes the interlayer gap between and, and a continuous portion that connects the support portion and the fitting portion. A support member that is integrally formed by bending. Further, the inter-layer gap closing lath carrying a refractory material for closing the inter-layer gap between the floor slab and the wall and the vertical fitting hole provided on the upper surface of the floor slab for supporting the inter-layer gap closing lath are fitted. A vertical fitting portion, a horizontal support portion that supports an interlayer gap closing lath carrying a refractory material that closes the interlayer gap between the floor slab and the wall, and the support portion and the fitting portion are connected to each other. The inter-layer gap closing member including a supporting member integrally formed by bending with a thin rod-shaped member including a continuous connecting portion to be installed, and (1) First, vertical fitting holes are formed at predetermined intervals at the end of the upper surface of the floor slab. Drill many holes. (2) Next, the fitting portions of the support member are fitted into the fitting holes to attach the support members to the floor slab. (3) Subsequently, the interlayer gap closing lath is placed on the upper surfaces of the supporting portions of the plurality of supporting members. (4) Furthermore, the interlayer gap formed by the upper surface of the interlayer gap closing lath, the wall and the end of the floor slab is filled with a refractory material by means such as spraying. This is achieved by providing a method for closing the interlayer gap, which is characterized in that the interlayer gap is closed with a refractory material.

[0007]

As a result of adopting the above technical means, the present invention provides a fitting portion that fits into the floor slab fitting hole, a support portion that supports the inter-layer gap closing lath, the support portion and the fitting portion. Since the support member is composed of the continuous installation portion, the support member can be attached to the floor slab by fitting the fitting portion into the fitting hole provided in the floor slab.

There is a dimensional error in the interlayer gap between the wall of the structure such as a building and the floor slab, and a gap is formed by arranging the support member at a right angle or at an appropriate angle with respect to this dimensional error. It can cope with the dimensional error of.

Further, when the interlaminar gap closing lath is formed of a wire mesh into a rectangular flat plate shape, the length of the interlaminar gap closing lath can be adjusted in advance by adapting it to the length of the floor slab. It can be supported by placing the adjusted interlayer gap closing lath on the support member.

Further, since the interlaminar gap closing lath is formed in the shape of a rectangular flat plate, the length can be adjusted by overlapping the interlaminar gap closing laths whose lengths are adjusted with each other in the longitudinal direction, resulting in a large variation in dimensional error. Even if there is, the error can be easily absorbed.

Moreover, since the floor slab and the supporting member are engaged by the fitting means, and the supporting member and the inter-layer gap closing lath are supported by placing the inter-layer gap closing lath on the support portion, There is no need for on-site welding work and cutting work of lath gap closing laths.

Therefore, it is possible to diminish field work as much as possible and to easily and surely close the inter-layer gap with a refractory material, improve the strength and fire resistance performance, and prevent fires or earthquakes. It becomes possible to prevent unexpected situations.

[0013]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS The present invention will be described in detail below with reference to the accompanying drawings. 1 to 7 show a first embodiment of the present invention, in which the support member 1 is made of a thin metal rod material having a circular cross section, as shown in FIGS. It is attached and supports the interlayer gap closing lath L, and together with the interlayer gap closing lath L, the interlayer gap closing member Y.
Make up. The inter-layer gap closing lath L is not limited to the lath itself, and various kinds of materials such as a plate material that receives the closing material V can be adopted.

As shown in FIGS. 3 to 7, the floor slab S is provided with a large number of vertical thin rod-shaped fitting holes H on the upper surface of the end portion at a predetermined pitch along the end surface. . The fitting hole H is formed in the support member 1 so that the support member 1 is fitted therein.
Is slightly larger than the diameter of the floor slab S and has a depth h of 1/2 to 1/3 of the thickness of the floor slab S.

The support member 1 includes a fitting portion 2 vertically formed so as to fit in a fitting hole H provided on the upper surface of the floor slab S, and the floor slab S and the wall W. In order to connect the support portion 3 formed horizontally to support the interlayer gap closing lath L carrying the refractory material R for closing the interlayer distance C, and the support portion 3 and the fitting portion 2 in series. And a continuous portion 4 formed in a substantially L shape.

The fitting portion 2 is required to have a length shorter than the depth h of the fitting hole H so that the fitting portion 2 can be fitted into the fitting hole H.
Usually, a length of about 70% of the depth h of the fitting hole H is suitable.

The length k of the supporting portion 3 is slightly shorter than the distance b between the floor slab S and the wall W so that it can be horizontally arranged between the floor slab S and the wall W. It is necessary to form them in a straight line, and usually about 95% of the interval b is suitable.

Further, the connecting portion 4 connects the upper end of the fitting portion 2 and the end portion of the supporting portion 3 on the floor slab side, and is engageable along the edge surface of the end portion of the floor slab S. It is required to be formed into a rectangular shape and is usually formed in a substantially L shape.

On the other hand, the inter-layer gap closing lath L is made of a wire mesh material, is horizontally arranged between the floor slab S and the wall W, and is a rectangular flat plate so that it can be placed on the supporting portion 3. It is formed into a shape. The width n of the interlayer gap closing lath L is
It is necessary to form the width substantially the same as the interval m between the support portion 3 and the wall W or a length slightly shorter than the width m, and a length of about 98% of the interval m is usually suitable.

The interlaminar gap closing lath L is notched in a semicircular shape in accordance with the formation of the supporting portion 3 as shown in the phantom line in FIG. It can be formed in a rectangular flat plate shape in which the part g is formed.

Further, the inter-layer gap closing lath L may be one which is adjusted to a predetermined length in advance or one having a predetermined material size (standard size). Only one of the end portions and the floor slab may be used. The length can be adjusted in advance in conformity with the length of S or the wall W. At this time, if there is an error in length at the site, the length can be adjusted by superimposing the inter-layer gap closing laths L in the longitudinal direction, and the dimensional error varies greatly. However, the error can be easily absorbed.

The interlayer gap closing lath L is placed on the upper surface of the supporting portion 3 so that it is supported by the supporting member 1 and, together with the supporting member 1, constitutes a closing member Y for the interlayer gap. To do.

Next, a method for closing the interlayer gap by using the interlayer gap closing member according to the above embodiment will be described with reference to FIGS.
Based on.

That is, in the case of closing the interlayer gap C by using the support member 1, the interlayer gap closing lath L and the refractory material R, (1) First, as shown well in FIGS. 3 and 7. In the floor slab S, a large number of vertical fitting holes H are provided on the upper surface of the end portion at a predetermined pitch along the end surface. The fitting hole H has a diameter slightly larger than the diameter of the supporting member 1 so that the supporting member 1 fits therein, and is 1/2 to 1/3 of the thickness of the floor slab S.
To a depth h. (2) Next, as shown well in FIG. 4, by fitting the fitting portion 2 of the support member 1 into the large number of fitting holes H,
A large number of support members 1 are attached to the floor slab S.

At this time, the fitting portion 2 is formed to be shorter than the depth h of the fitting hole H, and the depth h of the fitting hole H is 7 mm.
It is fitted to a depth of around 0%. (3) Subsequently, as well shown in FIGS. 4, 5 and 7, a large number of inter-layer gap closing laths L are placed on the upper surface of the supporting portion 3 of the large number of supporting members 1.

The inter-layer gap closing lath L is formed in a rectangular flat plate shape, and its width n is 98% of the distance m between the supporting portion 3 and the wall W.
It is formed to have a length in the front-rear direction, can be vertically inserted into the space b between the floor slab S and the wall W, and then can be horizontally placed on the upper surface of the support portion 3 of the support member 1, without any deformation. It can be installed without doing. At this time, if there is an error in the length at the site, the length can be adjusted by superimposing the interlaminar gap closing laths L on each other, so that the error can be easily absorbed even if the dimensional error varies greatly. .

The inter-layer gap closing lath L is placed on the upper surface of the supporting portion 3 so that it is supported by the supporting member 1. Thereby, the space b between the floor slab S and the wall W
The support member 1 and the inter-layer gap closing lath L are arranged between the above-mentioned parts, and the space b between the floor slab S and the wall W is closed. (4) Further, as shown in FIG. 6, a refractory material R is sprayed on the interlayer gap C formed by the interlayer gap closing lath L, the wall W and the end of the floor slab S. Fill by means. As a result, the interlayer gap C is closed by the refractory material R.

Therefore, it is possible to effectively close the interlayer gap C required by the Building Standards Act with the refractory material R.

Next, the operation of the closing member for the interlayer gap according to this embodiment will be described.

As described above, according to this embodiment, the vertical fitting portion 2 fitted into the fitting hole H of the floor slab S and the horizontal support portion 3 supporting the interlayer gap closing lath L are provided. , The support 3
Since the supporting member 1 is composed of the substantially L-shaped continuous portion 4 that continuously connects the fitting portion 2 and the fitting portion 2, the fitting portion 2 is fitted into the fitting hole H provided in the floor slab S. Therefore, the support member 1 can be attached to the floor slab S.

Further, since the inter-layer gap closing lath L is formed of a wire mesh material into a rectangular flat plate shape, the length of the inter-layer gap closing lath L can be adjusted by previously adjusting to the length of the floor slab. At the site, the inter-layer gap closing lath L whose length is adjusted can be supported only by placing it on the support member 1.

Further, since the inter-layer gap closing lath L is formed in the shape of a rectangular flat plate, the length of the inter-layer gap closing lath L is adjusted.
By superimposing each other and adjusting the length, even if there is a large variation in the dimensional error, the error can be absorbed, and the distance b between the floor slab S and the wall W is blocked more effectively. be able to.

Further, since the inter-layer gap closing lath L is formed in the shape of a rectangular flat plate, it is inserted vertically into the space b between the floor slab S and the wall W, and then horizontally inserted into the supporting portion 3 of the supporting member 1. Since it may be mounted on the upper surface of the substrate, it can be disposed without any deformation, and the predetermined support member 1 having no variation in shape or size can be obtained.

Further, a fitting hole H provided in the floor slab S
Since the support member 1 is attached to the floor slab S by fitting the fitting portion 2 to the support member 1, the attachment between the support member 1 and the floor slab S is ensured, and in an unexpected situation during a fire or an earthquake. Even if there is, the refractory material R can be reliably retained.

Further, since the inter-layer gap closing lath L is supported by the supporting member 1, even if the inter-layer gap closing lath L is damaged by a fire or an earthquake, the supporting member 1 becomes a structural member of the refractory material R, The refractory material R can be reliably retained even in the event of an unexpected event such as a fire or an earthquake.

Moreover, the floor slab S and the supporting member 1 are engaged with each other by the fitting means, and the supporting member 1 and the inter-layer gap closing lath L are simply placed on the supporting portion 3. Since it is supported, welding work between the support portion 3 and the inter-layer gap closing lath L, welding between the inter-layer gap closing laths L and cutting of the inter-layer gap closing lath L on the floor slab S, which is highly dangerous, is not required. Not only can the work be simplified, but also errors in shape and dimensions due to welding work and cutting work can be avoided.
Therefore, there is a lack of safety for employees caused by poor scaffolding in the conventional construction site, poor workability, lack of accuracy due to manufacturing error, heat effect during welding, and fireworks scattering. Various problems such as a problem that adversely affects the wall W and the glass and a possibility of fire occurrence are solved. Further, it is possible to avoid cross-section loss due to welding work, improve strength and fire resistance, and prevent unforeseen circumstances during a fire or earthquake.

The supporting member 1 is not limited to the thin metal rod member having a circular cross section in the above embodiment, but may have a rectangular cross section or other cross sectional shapes.

Further, the fitting hole H may be formed in the floor slab S formed as in the above embodiment, or may be integrally formed when the floor slab S is formed. is there.

Further, the inter-layer gap closing lath L is not limited to the rectangular flat plate shape in the above-mentioned embodiment, but can be formed in a strip shape having an L cross section or a groove cross section and a large cross section coefficient. It is possible to improve the strength.

Further, as the refractory material R, a generally used material having excellent fire resistance such as asbestos, rock wool, mortar and residue is used.

[0041]

As described above, according to the present invention, since the member for closing the interlayer gap has a specific structure, the structure is simple, and the interlayer gap can be closed easily and surely. It is possible to improve the safety and speed of work and reduce the construction cost. That is, (1) Even if there is a dimensional error in the interlayer gap between the floor slab and the wall, it is not necessary to adjust the length each time, and the same support member is used to rotate the fitting portion at an appropriate angle to form a right angle. Since it can be arranged diagonally, it can be closed very easily. (2) Since the fitting part is fitted and engaged in the fitting hole, the support member and the floor slab are securely engaged, and the refractory material can be securely held even in the event of a fire or earthquake. In addition, even if the interlaminar gap closing lath is damaged by a fire or the like, the supporting member becomes a structural member made of a refractory material, and there is an advantage that the refractory material can be reliably held even in an unexpected situation such as a fire. (3) Since the floor slab and the supporting member are engaged by the fitting means, and the supporting member and the inter-layer gap closing lath are supported only by placing the inter-layer gap closing lath on the supporting portion, there is a high risk. There is an advantage that welding work and cutting work on the floor slab are unnecessary, and errors in shape and dimensions due to welding work and cutting work can be avoided. (4) Since welding work and cutting work are not required, safety is poor due to poor scaffolding, workability is poor, precision is insufficient due to manufacturing errors, and heat is applied to walls and glass due to heat during welding. There is an advantage that conventional problems such as adverse effects and fear of fire can be solved, and safety and promptness at the time of work can be improved. (5) Since the cross-section loss of the component parts due to the welding work is avoided, there is an advantage that strength reduction can be prevented, and further, manufacturing error can be reduced and accuracy can be improved. (6) Since the interlaminar gap closing lath is formed in a rectangular flat plate shape, the dimensional error can be absorbed by overlapping the interlaminar gap closing laths whose lengths have been adjusted with each other to adjust the length, and the floor slab and the wall can be absorbed. There is an advantage that the gap can be blocked more effectively. (7) Since the on-site work can be reduced as much as possible and the interlayer gap can be easily and reliably closed with a refractory material, strength and fire resistance performance can be improved, and an unexpected situation during a fire or earthquake Will be able to prevent.

[Brief description of drawings]

FIG. 1 is a front view showing an embodiment of a support member according to the present invention.

FIG. 2 is a bottom view of the support member.

FIG. 3 is a front sectional view when a fitting hole is formed in a floor slab in the method of closing the interlayer gap.

FIG. 4 is a partial cross-sectional front view of a case where a fitting portion is fitted into a fitting hole and a support member is attached to a floor slab in the method of closing the interlayer gap.

FIG. 5 is a front view, partly in section, showing a case in which the interlayer gap closing lath is supported by a supporting member in the interlayer gap closing method.

FIG. 6 is a partial cross-sectional front view of the interlayer gap closing method when the interlayer gap is filled with a refractory material to close the interlayer gap.

FIG. 7 is a plan view showing a case where the support member supports the interlayer gap closing lath in the interlayer gap closing method.

FIG. 8 is a front view showing an embodiment of a conventional occluding material.

FIG. 9 is a plan view showing an example of a conventional occluding material.

[Explanation of symbols]

1 ... Support member 2 ...
・ Mating part 3 ・ ・ ・ ・ Supporting part 4 ・ ・ ・
・ Consecutive part Y ・ ・ ・ Logging member between layers L ・ ・ ・
・ Interlayer gap closing lath n ・ ・ ・ Width of interlayer gap closing lath S ・ ・ ・
・ Floor slab H ・ ・ ・ ・ ・ ・ Mating hole h ・ ・ ・
・ Mating hole depth W ・ ・ ・ Wall C ・ ・ ・
・ Interlayer gap R ・ ・ ・ ・ Refractory material k ・ ・ ・
・ Length of supporting part b ・ ・ ・ ・ Gap between floor slab and wall m ・ ・ ・
・ Gap between support and wall g ・ ・ ・ ・ ・ ・ Notch V ・ ・ ・
・ Occlusion material P ・ ・ ・ ・ Locking member Q ・ ・ ・
・ Connecting member U ・ ・ ・ ・ Wire mesh

Claims (3)

[Claims] 1. A vertical fitting provided on the upper surface of the floor slab.
Vertical fitting part that fits in the hole, and between floor slab and wall
The inter-layer gap closing lath carrying the refractory material that closes the gap
A horizontal support portion for supporting the support portion and the fitting portion.
Formed integrally by bending with a thin rod-shaped material consisting of a continuous connection part
A support member characterized by the above. 2. A resistance to block an interlayer gap between a floor slab and a wall.
An inter-layer gap closing lath carrying a fire material and the inter-layer gap closing lath
Vertical mating on the top of the floor slab that supports
Vertical fitting part that fits in the hole, and between floor slab and wall
The inter-layer gap closing lath carrying the refractory material that closes the gap
A horizontal support portion for supporting the support portion and the fitting portion.
Formed integrally by bending with a thin rod-shaped material consisting of a continuous connection part
Of the inter-layer gap characterized by comprising a supporting member
Closing member. (1) First, a large number of vertical fitting holes are formed at predetermined intervals at the end of the upper surface of the floor slab. (2) Next, the fitting portions of the support member are fitted into the fitting holes to attach the support members to the floor slab. (3) Subsequently, the interlayer gap closing lath is placed on the upper surfaces of the supporting portions of the plurality of supporting members. (4) Furthermore, the interlayer gap formed by the upper surface of the interlayer gap closing lath, the wall and the end of the floor slab is filled with a refractory material by means such as spraying. Thereby, the interlayer gap is closed with a refractory material.