JP4938469B2 - Waist wall fixing structure for long base material and waist wall fixing method for long base material - Google Patents

Description

  The present invention relates to a waist wall fixing structure of a long base material used for installing a wall surface on a waist wall in a building attached structure such as a sunroom or a terrace, or an independent structure such as a garage room or a storeroom, and a waist wall fixing method thereof.

  As this kind of waist wall fixing structure or fixing method, there are a base material receiving member which forms a piece-like member having a pair of upstanding pieces standing on the inside of the substrate, the outside of the substrate, and the inside of the substrate, and the long horizontal substrate. The base material receiving member is anchored at a predetermined interval in the longitudinal direction of the upper surface of the waist wall using a long base material in which a pair of hanging strips are integrally suspended on the lower surface of the horizontal substrate. The long base material is disposed on the base material receiving member so as to be fitted to the pair of upright pieces of the base material receiving member, and the level of the long base material is adjusted, and then the hanging strip is screwed onto the standing piece. It is known that a long base material is horizontally supported on a base material receiving member by an inserted fixing screw.

Toyo Exterior Co., Ltd. April 2006, “Kokoma Installation Manual Main Body”, page 89

  In this case, the wall surface can be formed on the waist wall by raising the support column on the long base material. However, the long base material performs positioning as accurately as possible in order to make the wall surface reference. For example, if the base material receiving member is displaced in the longitudinal direction or the width direction of the waist wall, the long base material will be displaced. It is necessary to release the long base material from the base material receiving member by releasing the nipping and fixing, and to change the fixing position by removing the anchor that fixed the base material receiving member. Therefore, in such a structure in which a long base material is installed on a waist wall to form a wall surface, fixing the waist wall of the long base material, which is the basis for the wall surface formation, especially when the positional deviation occurs in the field , It is easy to bring about the result that field work becomes remarkably complicated.

  The present invention has been made in view of such circumstances, and the problem to be solved is to make it possible to fix the long base material to the waist wall as easily and reliably as possible. An object of the present invention is to provide a waist wall fixing structure for a long base material that prevents as much as possible the occurrence of displacement when the base material is fixed to the waist wall, and to provide a method for fixing the waist wall.

  In accordance with the above-described problems, the present invention integrates an L-shaped piece member and a long base material whose level is adjusted in advance using an L-shaped piece member that is not fixed to the waist wall, and then the long base material. By anchoring to the waist wall, prior to anchoring at the final stage, the long base material can be moved and positioned on the waist wall, eliminating the possibility of misalignment. The long base material can be fixed to the waist wall as easily and reliably as possible. That is, the invention according to claim 1 is used as a base for forming a wall surface on the waist wall. A long base material waist wall fixing structure in which a long base material is placed and fixed on the upper surface of the waist wall, and one horizontal piece of L-shape is placed at predetermined intervals in the longitudinal direction at both ends of the waist wall upper surface in the width direction. The above long base with level adjustment using a number of L-shaped piece members The long base material is supported on the L-shaped piece member by sandwiching and fixing both ends in the width direction to the standing piece of the L-shaped piece member with a fixing screw from the standing piece side, and the long base by the L-shaped piece member The long base material is anchored to the upper surface of the waist wall in a state where the material is supported.

  In addition to the above, the invention described in claim 2 is provided with the above-mentioned long base material so that the L-shaped piece member can be fixed and secured as easily as possible. The substrate is formed with standing fixing surfaces on the indoor side and the outdoor side of the substrate, and the clamping fixing is performed by fixing screws screwed into the standing fixing surfaces on both sides from the L-shaped piece member. The long base material waist wall fixing structure according to claim 1, wherein the long base material has a fixed structure.

  In addition to the above, the invention according to claim 3 is capable of ensuring that the long base material is clamped and fixed by the L-shaped piece member as easily as possible. An outer level adjustment groove portion is arranged, and the level adjustment by the tap screw screwed to the substrate of the level adjustment groove portion can be accurately and reliably performed by using the horizontal piece of the L-shaped piece member as a level adjustment reference. The long base material is divided into a substrate, a pair of end erections standing on the indoor side and the outdoor side of the substrate, a hollow bulge disposed at a middle position of the substrate, and the pair of end erections. And a level adjustment groove on the indoor side and the outdoor side that are disposed between the hollow bulge and the substrate, and a wall surface formed on the waist wall partially disposed in the longitudinal direction of the level adjustment groove on the indoor side For the installation of props A support seat is provided, and the L-piece member is clamped and fixed. A tap screw screwed into the longitudinal end of the indoor and outdoor level adjustment grooves is brought into contact with the horizontal piece of the L-piece member. A column support member which is fixed by the fixing screw screwed from the L-shaped piece member to the pair of end standing ridges of the long base material whose level is adjusted using the horizontal piece as a level adjustment reference, and is mounted and fixed to the column seat. 2. The waist wall fixing structure for a long base material according to claim 1, wherein the wall-forming column is erected so as to straddle from the column seat to the upper surface of the hollow raised portion. It is what.

  In addition to the above, the invention described in claim 4 is provided with the tap screw so that the outer appearance of the long base material can be better accommodated by closing the indoor and outdoor level adjustment grooves. 4. The waist wall fixing of a long base material according to claim 3, wherein the interior side and outdoor side level adjustment groove portions from which the wall has been removed are provided with a decorative frame on the indoor side and a headboard on the outdoor side, respectively. It is structured.

  The invention according to claim 5 uses an L-shaped fixing member and a long base material in advance so that the long base material can be moved on the waist wall using an L-shaped piece member that is not fixed to the waist wall. In order to provide a method for fixing the waist wall of the long base material, in which the anchor is fixed at the final stage of installation of the long base material, this is used as a base for forming a wall surface on the waist wall. As described above, the base wall and the long base material having the upright fixing surfaces on the indoor side and the outdoor side of the base plate are placed and fixed on the upper surface of the waist wall using an L-shaped piece member. A plurality of horizontal pieces of the L-shaped piece members are placed on both ends of the waist wall upper surface in the width direction with the positional relationship between the L-shaped piece member and the long base member being set on the horizontal piece of the L-shaped piece member. An L-shaped piece member and a long base material are arranged so that a long base material substrate is placed on the Placing the horizontal piece of the L-shaped piece member as a reference for level adjustment of the long base material, and contacting the horizontal piece with a tap screw screwed into the long base material. Level adjustment process for adjusting the level of the long base material, and a fixing screw is screwed into the standing surface of the long base material from the standing piece of the L-shaped piece member, and the long base material is sandwiched by the L-shaped piece member A method for fixing a waist wall of a long base material, comprising: a clamping and fixing step for fixing; and a long base material fixing step for anchoring a long base material clamped and fixed to the L-shaped piece member to a waist wall; It is a thing.

  The present invention uses each of these as the gist of the invention as means for solving the above problems.

  Since the present invention is configured as described above, the invention according to claim 1 uses an L-shaped piece member that is not fixed to the waist wall, and a long base material that has been level-adjusted in advance with the L-shaped piece member. After that, the long base material is anchored to the waist wall, and the long base material can be moved on the waist wall and positioned before anchoring at the final stage. , It is possible to provide a long base material waist wall fixing structure capable of fixing the long base material to the waist wall as easily and reliably as possible while eliminating the possibility of misalignment. .

  In addition to the above, the invention according to claim 2 can reliably fix the long base material by the L-shaped piece member as easily as possible.

  In addition to the above, the invention according to claim 3 is capable of ensuring that the long base material is clamped and fixed by the L-shaped piece member as easily as possible. By arranging the outer level adjustment groove portion and using the horizontal piece of the L-shaped piece member as a level adjustment reference, the level adjustment by the tap screw screwed on the substrate of the level adjustment groove portion can be accurately and reliably performed. .

  In addition to the above, the invention described in claim 4 can achieve a good appearance by closing the indoor side and outdoor side level adjustment grooves of the long base material.

  The invention according to claim 5 uses an L-shaped fixing member and a long base material in advance so that the long base material can be moved on the waist wall using an L-shaped piece member that is not fixed to the waist wall. It is possible to provide a method for fixing a waist wall of a long base material in which the anchor is fixed at the final stage of installation of the long base material.

  DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS The present invention will be described in more detail below with reference to the drawings. 1 is a sunroom, terrace installed on a waist wall 2 standing on the ground by, for example, building a concrete block using vertical and horizontal bars. The wall surface 1 has a long base material 4 that forms a base for forming the wall surface 1 on the upper surface of the waist wall 2 and is fixed to the wall surface 1 through the long base material 4. As a standard.

  The long base material 4 uses a number of L-shaped piece members 3 on which L-shaped horizontal pieces 31 are placed at predetermined intervals in the longitudinal direction at both ends of the upper surface of the waist wall 2 in the width direction. The long base material 4 is fixed to the upright piece 32 of the L-shaped piece member 3 with the fixing screws 33 from the upright piece 32 side to fix the long base material 4 to the L-shaped piece member. The long base material 4 is fixed to the upper surface of the waist wall 2 while being supported by the L-shaped piece member 3 and supported by the L-shaped piece member 3.

  At this time, the long base material 4 of the present example is formed by providing the substrate 41 with the upright fixing surfaces on the indoor side and the outdoor side of the substrate 41, and the L-shaped pieces on the upright fixing surfaces on both sides. In this example, the long base material 4 is attached to the substrate 41 and the indoor side and the outdoor side of the substrate 41. A pair of end erection ridges 42 that stand up and form the erection fixing surface, a hollow ridge 44 disposed at an intermediate position of the substrate 41, and a space between the pair of end erection ridges 42 and the hollow ridge 44. The indoor and outdoor level adjusting groove portions 46 exposing the substrate 41 and the column 11 forming the wall surface 1 formed on the waist wall 2 partially disposed in the longitudinal direction of the indoor level adjusting groove portion 46. And an L-piece piece member for installation. The tap screw 5 screwed into the longitudinal direction end of the indoor and outdoor level adjusting groove 46 is brought into contact with the horizontal piece 31 of the L-shaped piece member 3 to fix the horizontal piece 31 to the level adjustment reference. A column support member 48 is mounted on the column support 47 and fixed to the column seat 47 while being fixed to the pair of end standing ridges 42 of the long base material 4 adjusted in level by the fixing screw 33. Thus, the wall 11 forming column 11 is erected so as to straddle the upper surface of the hollow raised portion 44 from the column seat 47, and the indoor and outdoor level adjusting groove portions from which the tap screw 5 is removed. 46 is provided with a decorative picture frame 8 on the indoor side and a headboard 9 on the outdoor side, respectively.

  That is, the long base material 4 is made of, for example, an aluminum extruded material and has a length that is the same as or slightly longer than the width of the wall 1, and the substrate 41, the end standing ridge 42, the hollow raised portion 44, It is assumed that the level adjusting groove 46 and a partially arranged support column seat 47 are provided. At this time, the long base material 4 of this example has the support column seat 47 in a piece shape, for example, a downward opening U-shape. For example, facing the indoor side projecting from the hollow raised portion 44 by fitting into the indoor level adjustment groove 46 formed between the hollow raised portion 44 and the indoor end standing ridge 42. The fixed projection piece is fixed integrally with a fixing screw 49.

  At this time, in this example, the long base material 4 has a base 41 whose depth is shorter than that of the waist wall, in this example, the waist wall 2 formed by a concrete block. A column seat 47 having an outdoor level adjustment groove 46 having a width of about / 6, a hollow bulging portion 44 having a width of about 1/2, and a level adjustment groove 46 having an interior side of about 1/3 of the width are disposed. Having a depth width that matches the inner dimension of the level adjustment groove 46 on the outdoor side, and the upward protruding pieces on the outdoor side and the indoor side end standing ridge 42 of the hollow bulge 44, respectively. In this example, a T-shaped projecting piece 45 is projected, and the projecting piece 45 is used as a positioning projection for installing a later-described column 11 and installing a lower rod 12 on the wall surface 1. In the example, the T-shaped projecting piece 45 of the end standing ridge 42 on the indoor side Axis transverse projections makeup frame 8, also there as using horizontal projection of T-shaped projecting piece 45 of the hollow protuberance 44 for fixing the coping 9 covering the level adjustment groove 46 of the chamber outwardly.

  The long base material 4 thus formed is integrated with an L-shaped piece member 3 which is also made of an aluminum extruded material, and the long base material 4 is anchored to the upper surface of the waist wall 2. If this is explained by the fixing method of the long base material 4, the substrate 41, the indoor side and the outdoor side of the substrate 41 are formed so as to form a base for forming the wall surface 1 on the waist wall 2. As a method for fixing the long base material 4 to the long base material 4 having the standing base fixed surface on the upper surface of the waist wall 2 using the L-shaped piece member 3, the L-shaped piece member 3 and A plurality of horizontal pieces 31 of the L-shaped piece member 3 are placed on both ends of the upper surface of the waist wall 2 with the positional relationship of the long base material 4 and long on the horizontal piece 31 of the L-shaped piece member 3. The L-shaped piece member 3 and the long base material 4 so as to place the substrate 41 of the base material 4 thereon. The placing step on the waist wall 2 to be arranged and the horizontal piece 31 of the L-shaped piece member 3 was screwed into the long base material 4 into the horizontal piece 31 as a level adjustment reference of the long base material 4 A level adjusting step for adjusting the level of the long base member 4 by contacting the tap screw 5 and a fixing screw 33 is screwed into the standing surface of the long base member 4 from the standing piece 32 of the L-shaped piece member 3. A holding and fixing step of holding and fixing the long base material 4 by the L-shaped piece member 3, and a long base material for fixing the long base material 4 held and fixed to the L-shaped piece member 3 to the waist wall 2 by the anchor 6 In this example, a sealing step is performed in which the screw hole after the tap screw 5 is removed is sealed to close the screw hole. Prepare in stages With certain process of installing the decorative frame 8 and coping 9 as comprising an appropriate stage.

  That is, in this example, the L-shaped piece member 3 and the long base material 4 are arranged on the upper surface of the waist wall 2 by, for example, placing the L-shaped piece member 3 on the waist wall 2 at both ends in the width direction, that is, the waist wall. 2 Preliminarily placed at predetermined intervals in the longitudinal direction on the indoor side and the outdoor side in the depth direction, and if necessary, the L-shaped piece member 3 is temporarily fixed to the waist wall 2 with a tape or the like, and a long base between the standing pieces 31 The long base material 4 is placed so as to mount the substrate 41 of the material 4 or, more simply, the long base material 4 is placed on the waist wall 2 and a number of L-shaped pieces are placed. The horizontal piece 31 of the member 3 is inserted between the waist wall 2 and the long base member 4 from the indoor side and the outdoor side, respectively.

  For level adjustment, for example, the level adjustment groove 46 on the indoor side and the outdoor side of the long base member 4, in this example, the L-shaped piece member 3, the tap screw 5 dedicated to level adjustment is screwed in, respectively. The tap screw 5 is rotated with a screwdriver or the like and the tip of the tap screw 5 abuts against the horizontal piece 31 of the L-shaped piece member 3 so that the horizontal piece 31 placed on the waist wall 2 is used as a level adjustment reference. Level adjustment of the material 4, that is, the long base material 4 is leveled so as to absorb inclinations and irregularities that may exist on the upper surface of the waist wall 2, and then the horizontal long base by the L-shaped piece member 3 The material 4 can be clamped and fixed and the anchor 6 of the long base material 4 can be fixed as easily and reliably as possible. At this time, by adjusting the level at each L-shaped piece member 3 position, for example, not only at the end portion but also at the intermediate portion caused by using the long base material 4 as the aluminum extruded material, the sagging or the like hangs down. Thus, accurate level adjustment over the entire longitudinal direction can be achieved.

  The long base material 4 is clamped and fixed by the L-shaped piece member 3 before the tap screw 5 is removed with respect to the end standing ridge 42 forming the upright fixing surface of the long base material 4 subjected to the level adjustment. This is done by screwing a fixing screw 33 from the standing piece 32 side of the L-shaped piece member 3 and fixing the horizontal long base material 4 to the L-shaped piece member 3 by screws.

  In this way, the long base material 4 is clamped and fixed to the L-shaped piece member 3 in an unfixed state on the waist wall 2, and after these are integrated, the long base material 4 is fixed to the waist wall 2 with the anchor 6. Prior to the anchor 6 being fixed, the long base member 4 is positioned so as not to be displaced, while the anchor 6 is driven into the waist wall 2 from the long base member 4 to The fixing to the wall 2 is performed. The anchor 6 is fixed by using, for example, a drill at a plurality of positions in the longitudinal direction of the substrate 41 exposed by using the level adjustment groove 46 on the indoor side of the long base material 4 and avoiding the portion where the support seat 47 is disposed. This is done by drilling an anchor hole in the base plate 41 and the waist wall 2 of the long base material 4 and driving the anchor 6 downward from above the long base material 4 into the anchor hole. .

  The long base member 4 has a column support member 48, a column support member 48 in this example, a hollow block sleeve made of an aluminum extrusion material in this example, and a fixing screw, for example, via a tapping hole. The base 47 is fixed by being screwed into the receiving seat 47, and the column support member 48 is fitted, and the fixing screw 49 is screwed into the column support member 48 from the side surface thereof, whereby the long base material 4, In particular, the column 11 is erected on the column seat 47. At this time, the column 11 is provided with a depth width that matches the width between the hollow raised portion 44 of the long base member 4 and the T-shaped projecting piece 45 of the end erection 42 on the indoor side. It is assumed that the column 11 is fitted between the T-shaped projecting pieces 45 so as to straddle the column-shaped seat 47 from the column seat 47 to the hollow bulge 44 on the outdoor side. Thereafter, the lower collar 12 is placed and fixed so as to be positioned between the columns 11 on the hollow raised portion 44 of the long base member 4 over which the outdoor end of the column 11 is straddled, and the glass is held between the pressing edges. Thus, the wall surface 1 is formed on the long base material 4.

  At this time, the decorative picture frame 8 and the coping 9 that close the indoor and outdoor level adjusting groove portions 46 of the long base member 4 are formed into the T-shaped projecting piece 45 of the hollow raised portion 44 and the outdoor end standing ridge 42. , A locking ridge at the upper end of an overhanging ridge 43 projecting in an L shape from the upper end of the indoor side end standing ridge 42 in the decorative frame 8, and an outdoor side edge standing ridge 42 in the coping 9. A locking strip at the upper end of the overhanging ridge 43 projecting in an L shape from the outdoor side to the outer edge of the decorative frame 8 and the headboard 9 in the width direction end portion and the back surface intermediate position The decorative frame 8 and the coping 9 are arranged so as to close the indoor level adjusting groove 46 and the outdoor level adjusting groove 46 by snap-in locking.

  For fixing the waist wall 2 of the long base material 4 in this example, the L-shaped piece member 3 and the long base material 4 whose level is adjusted in advance are used by using the L-shaped piece member 3 that is not fixed to the waist wall 2. Then, the long base material 4 is moved on the waist wall 2 before the anchor 6 is fixed in the final stage by fixing the long base material 4 to the waist wall 2 before the anchor 6 is fixed. While positioning is possible, the possibility of misalignment is eliminated and the long base member 4 can be fixed to the waist wall 2 as easily and reliably as possible. An indoor / outdoor level adjustment groove 46 exposed on the substrate 41 is arranged, and the level adjustment is accurately performed by the tap screw 5 screwed on the substrate 41 of the level adjustment groove 46 by using the horizontal piece 31 of the L-shaped piece member 3 as a level adjustment reference. And make sure it can be done Both can be provided with a appearance good fit by closing the elongated base member 4 in the indoor side and the outdoor side of the level adjustment groove 46 in cosmetic frame 8 and coping 9.

  In the figure, reference numeral 13 denotes an example of arrangement on the left side of FIG. 1 from the lower end of the support column 11 in front of the waist wall 2, and example of arrangement on the right side of FIG. , 51 is a sealing agent applied to the screw hole after the tap screw 5 is removed, 61 is a sealing agent applied around the nut when the anchor 6 of the long base material 4 is fixed, and 7 is the lower ridge 12 after the lower ridge 12 is installed. The interior side decorative covers that are arranged between the hollow raised portion 44 and the above-mentioned outdoor standing ridges and have the interior finish of the interior between the columns are shown respectively.

  Although the illustrated example is as described above, the long base material is formed in consideration of the contact with the support column. Various configurations other than the substrate and the standing and fixing surface, wherein the clamping and fixing are performed by fixing screws screwed into the standing and fixing surfaces on both sides from the L-shaped piece member. And the level adjustment is performed at a total of four locations inside and outside the width direction at both ends in the longitudinal direction of the long base material. , L-shaped piece members, substrates to be used as needed, standing upright surfaces, end standing ridges, hollow ridges, level adjustment grooves, column seats, tap screws, headboards, decorative picture frames, etc. , These relationships, additions to these, and long Specific method waist wall fixing of the base material, member or the like used therefor may be of various forms unless contrary to the gist of the invention.

It is a front view of a building attachment structure. It is a perspective view which shows the relationship between a elongate base material and a support | pillar. It is a perspective view which shows the relationship between a waist wall, a long base material, and an L-shaped piece member. It is a perspective view which shows the level adjustment state of a long base material. It is a perspective view which shows the state of anchor fixation of the elongate base material with respect to a waist wall. It is a longitudinal cross-sectional view which shows the arrangement | positioning state to the waist wall of a long base material and an L-shaped piece member. It is a longitudinal cross-sectional view which shows the level adjustment state of a long base material. It is a longitudinal cross-sectional view which shows the state of the screw fixing of the elongate base material and L-shaped piece member which carried out level adjustment. It is a longitudinal cross-sectional view which shows the integration state of a elongate base material and an L-shaped piece member. It is a longitudinal cross-sectional view which shows the anchor fixed state of a long base material. It is a longitudinal cross-sectional view which shows the relationship between the elongate base material on a waist wall, and a wall surface lower arm.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Wall surface 11 Support | pillar 12 Lower ridge 13 樋 2 Waist wall 3 L-shaped piece member 31 Horizontal piece 32 Standing piece 33 Fixing screw 4 Long base material 41 Substrate 42 End standing ridge 43 Projection ridge 44 Hollow protuberance 45 T-shape Projection piece 46 Level adjustment groove 47 Support seat 48 Support member 49 Fixing screw 5 Tap screw 51 Sealing agent 6 Anchor 61 Sealing agent 7 Indoor decorative cover 8 Makeup frame 9 Kasagi

Claims (5)

  A waist wall fixing structure of a long base material in which a long base material forming a base for forming a wall surface on the waist wall is placed and fixed on the upper surface of the waist wall, and the longitudinal direction is predetermined at both ends in the width direction of the waist wall upper surface. Using a large number of L-shaped piece members on which one horizontal piece of L-shape is placed at an interval, both ends in the width direction of the long base material whose level is adjusted are fixed to the standing pieces of the L-shaped piece member from the standing piece side. The long base material is supported by the L-shaped piece member by being clamped and fixed by the L-shaped piece member, and the long base material is anchored to the upper surface of the waist wall while the long base material is supported by the L-shaped piece member. A waist base fixing structure for long base materials.   The elongate base material is formed with a substrate and upright fixing surfaces on the indoor side and the outdoor side of the substrate, and is fixedly held by the fixing screws screwed into the upright fixing surfaces on both sides from the L-shaped piece member. The long base material waist wall fixing structure according to claim 1, wherein:   The long base material includes a substrate, a pair of end erections standing on the indoor side and the outdoor side of the substrate, a hollow ridge disposed at an intermediate position of the substrate, the pair of end erections and the hollow A room-side and outdoor-side level adjustment groove portion that is disposed between the raised portions and the substrate is exposed, and a wall surface formed on the waist wall that is partially disposed in the longitudinal direction of the indoor-side level adjustment groove portion is formed. And a tread screw seat for fixing the holding by the L-shaped piece member, and a tap screw screwed into the longitudinal end of the level adjustment groove on the indoor side and the outdoor side is a horizontal piece of the L-shaped piece member. The horizontal piece is adjusted by using the horizontal piece as a level adjustment reference, and is fixed by the fixing screws screwed in from the L-shaped piece members to the pair of end standing ridges of the long base material. The supporting support member is The long base material waist wall fixing structure according to claim 1, wherein the wall-forming struts are erected so as to straddle from the column seats to the upper surface of the hollow raised portion.   4. The waist of the long base material according to claim 3, wherein the indoor and outdoor level adjustment grooves from which the tap screws are removed are provided with a decorative frame on the indoor side and a headboard on the outdoor side, respectively. Wall fixing structure.   A substrate and a long base material having standing fixing surfaces on the indoor side and the outdoor side of the substrate are placed on the upper surface of the waist wall using an L-shaped piece member so as to form a base that forms a wall surface on the waist wall. A method of fixing a waist wall of a long base material to be fixed, wherein a positional relationship between the L-shaped piece member and the long base material is determined, and a plurality of horizontal pieces of L-shaped piece members are mounted on both ends of the waist wall upper surface in the width direction. Placing the L-shaped piece member and the long base material on the horizontal piece of the L-shaped piece member and placing the L-shaped piece member and the long base material on the horizontal piece, and the L-shaped piece member Level adjustment step of adjusting the level of the long base material by contacting the horizontal piece with a tap screw screwed into the long base material, using the horizontal piece as a level adjustment reference for the long base material, From the standing piece of the L-shaped piece member to the standing surface of the long base material A clamping and fixing step in which a fixing screw is screwed and the long base material is clamped and fixed by the L-shaped piece member, and a long base material that is fixed to the waist wall by anchoring the long base material that is clamped and fixed to the L-shaped piece member A method for fixing a waist wall of a long base material, comprising a fixing step.

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