JP6075906B1 - Building foundation structure - Google Patents

Abstract

PROBLEM TO BE SOLVED: To easily attach an exterior material such as an exterior panel to an outer wall of a building and to simplify the work of attaching and removing a base material. Also, do not leave any processing marks or scars such as welding marks or bolt holes when mounting the base material on the pillars and outer walls of the demolished building. SOLUTION: A foundation structure provided on an outer wall of a building, wherein the foundation material is held by each of the shape steel columns 1 and a plurality of connectors 4 held by the shape steel columns 1 supporting the outer wall panel 2 of the building. A plurality of support rails that are spanned between the plurality of connectors 4 and fixed to the connector 4; and a plurality of support rails 6 that are attached to the shell material 5. 6 are arranged at a predetermined interval narrower than the interval between the shaped steel columns 1. [Selection] Figure 2

Description

  The present invention relates to a foundation structure of a building, and more particularly to a foundation structure when an exterior material such as an exterior panel is attached to an outer wall of a building built by a prefabricated method.

  In recent years, a method of attaching an exterior panel made of aluminum or the like to the outer wall of a building has been adopted as a means for greatly changing the image of an old building to improve the image (Patent Document 1). In this mounting method, an L-shaped fastener is bolted to the surface of an existing outer wall, and a panel-like vertical member bolted to the L-shaped fastener and a bracket bolted to the hook-shaped vertical member are attached to the panel. A base material is attached.

  By the way, buildings built by the prefabricated construction method are often used repeatedly for rental. Therefore, when attaching an exterior panel to the outer wall of a building, it is desirable that the work of attaching and removing the base material be simple. In addition, it is desirable that processing marks and scratches such as welding marks and bolt holes do not remain on the columns and outer walls of the demolished building.

  Conventionally, there is a known method of using a connector that does not leave a processing mark or scar on a building column or outer wall when attaching an attachment such as a fence to a column of a building built by a prefabricated method (patent) Reference 2). Since this connecting tool is disposed between the support column and the attached member and is fixed to the support column without welding, there is an advantage that a processing mark or a scar is not left on the support column or the outer wall of the building.

JP-A-8-120949 Japanese Utility Model Publication No. 6-43102

  Therefore, the present invention uses a connector disclosed in Patent Document 2 or an equivalent to this connector, and provides a foundation structure of a building that has not been seen so far, so that an exterior material such as an exterior panel is provided on the outer wall of the building. Is easy to attach and remove the base material. It is another object of the present invention to provide a base structure that does not leave a processing mark or a scar such as a welding mark or a bolt hole when a base material is attached to a pillar or an outer wall of a demolished building.

The building foundation structure according to the present invention is a foundation structure provided on the outer wall of the building, and the foundation material is attached to each of the shape steel columns and a plurality of connectors held by the shape steel columns supporting the outer wall of the building. and retained more coupling furring strip material secured to multiply passed and coupling between, have a, the connector is having a shape substantially corresponding to the lip which is provided at both ends of the section steel column to chromatic and抱込portion, a fastening portion for engaging and holding the抱込portion to the lip, the furring strip receiving portion for securing the barrel rim member, a.

  In one embodiment of the foundation structure according to the present invention, the base structure further includes a plurality of support rails attached to the frame material, and the plurality of support rails are arranged at a predetermined interval narrower than the interval between the structural steel columns of the building. The

Moreover, in one Embodiment of the foundation | substrate structure which concerns on this invention, the said trunk | drum edge receiving part has a horizontal surface in which a trunk | drum margin material is mounted.

  According to the foundation structure of a building according to the present invention, an exterior material such as an exterior panel can be easily attached to the outer wall of the building. In addition, the work of attaching and removing the base material is simplified. In addition, there are no processing marks or scratch marks such as welding marks or bolt holes when mounting the base material on the pillars and outer walls of the demolished building.

It is a disassembled perspective view of the foundation | substrate structure which concerns on 1st Embodiment of this invention. It is a perspective view of the foundation structure concerning a 1st embodiment, and the exterior panel attached to the foundation material. It is a top view of the foundation | substrate structure which concerns on 1st Embodiment. It is IV-IV sectional drawing of FIG. It is a perspective view of the foundation | substrate structure which concerns on 2nd Embodiment of this invention. It is VI-VI sectional drawing of FIG. It is a perspective view of the foundation | substrate structure which concerns on 3rd Embodiment of this invention. It is a foundation structure front view concerning a 3rd embodiment.

  DESCRIPTION OF EMBODIMENTS Hereinafter, an embodiment of a building foundation structure according to the present invention will be described in detail with reference to the accompanying drawings. 1 to 4 show a base structure for attaching an exterior panel to an outer wall of a building built by a prefabricated method. In the prefabricated method, a building column and an outer wall panel produced in a factory in advance are carried to a construction site, and the entire building is assembled by dropping the outer wall panel between the column and the column built at the construction site. As the support column, a section steel column 1 having a substantially H-shaped cross section is used, and the end portions of the respective outer wall panels 2 are fitted into the groove portions 1 a and 1 b on both sides of the section steel column 1.

  The base structure according to this embodiment is used when attaching the exterior panel 3 to the outer surface of the outer wall panel 2, and includes a connector 4 engaged and held by the section steel column 1, and the connector 4 It has a torso material 5 to be fixed and a support rail 6 to be attached to the torso material 5.

  The connecting device 4 is composed of two connecting plates 7 and 8 that are substantially symmetrical on the left and right sides, and are integrally formed by fastening the connecting plates 7 and 8 in close contact. The connecting plates 7 and 8 include holding portions 7a and 8a for holding the left and right lips 1c and 1d formed inwardly at the ends of the grooves 1a and 1b of the shaped steel column 1 from the outside, and the holding portions 7a and 8a, respectively. Fastening portions 7b and 8b extending forward from the insertion portions 7a and 8a, and horizontal plane trunk edge receiving portions 7c and 8c that are bent at the upper ends of the fastening portions 7b and 8b. The holding portions 7a and 8a have concave groove portions 7d and 8d corresponding to lips 1c and 1d provided at both ends of the groove portions 1a and 1b of the shaped steel column 1, respectively.

  A gap 9 is provided between the fastening portions 7b, 8b when both the connecting plates 7, 8 are brought into close contact with each other. The gap 9 is formed by providing a step 10 in the fastening portion 7 b of one of the connection plates 7. In the fastening portions 7b and 8b, when the bolt 11a is inserted into the bolt insertion holes 7e and 8e provided in both the connecting plates 7 and 8, and the nut 12a is fastened to the bolt 11a, the fastening portions 7b and 8b are mutually connected. By bending elastically toward the inside, the holding portions 7a and 8a are engaged and held so as to bite into the lips 1c and 1d of the shaped steel column 1. In this way, the necessary number of connectors 4 can be simply attached to a predetermined position of the shaped steel column 1.

  The pair of trunk edge receiving portions 7c, 8c are connected on the same plane. In addition, bolt insertion holes 7f and 8f are provided at the center of each of the trunk edge receiving portions 7c and 8c. In this embodiment, the trunk edge member 5 is made of C-shaped steel, and is spanned between a plurality of connectors 4 held by the respective shaped steel columns 1. The trunk edge member 5 is placed on the trunk edge receiving portions 7c and 8c with the bottom wall 5a facing downward. Further, a bolt insertion hole 5c is provided in the lower wall 5a of the barrel edge member 5, and after being aligned with the bolt insertion holes 7f, 8f of the barrel edge receiving portions 7c, 8c, the bolts 11b and nuts 12b are fastened. Is done.

  In the base structure according to this embodiment, support rails 6 that extend long in the vertical direction are attached to the outer wall 5b of the trunk edge member 5 at predetermined intervals. This predetermined space | interval is set narrower than the space | interval between the structural steel pillars 1 of a building. In general, in the case of a building, the space between the columns is often set to 1 but the exterior panel is not subject to such restrictions, so that the space is narrower than 1 for easy handling. It is preferable that Therefore, in the present embodiment, in order to attach the exterior panel 3 having a narrower width than the outer wall panel 2, each support rail 6 is in a state where the spacing dimension w1 between the support rails 6 is narrower than the spacing dimension w2 between the shaped steel columns 1. Arranged.

  The support rail 6 is formed of a long member having a substantially U-shaped cross section, and the back surface 6 a is fixed to the outer wall 5 b of the trunk edge member 5 by screws 13. Between the left and right side surfaces 6b of the support rail 6, a round bar 14 as an engaging protrusion is horizontally stretched. A plurality of the round bars 14 are provided at predetermined intervals along the longitudinal direction of the support rail 6.

  The exterior panel 3 is made of, for example, a thin plate-like aluminum composite material. An inward flange 3 a that bends at right angles is provided on both side edges of the exterior panel 3, and an engagement groove 15 that engages with the round bar 14 of the support rail 6 is provided in the inward flange 3 a. The engagement groove 15 is formed in an L shape by a horizontal groove 15a that opens in the horizontal direction and a vertical groove 15b that is bent upward at a right angle from the tip. A plurality of the engaging grooves 15 are provided at predetermined intervals along the longitudinal direction of the inward flange 3a, and correspond to the positions of the round bars 14 provided on the support rail 6.

  Therefore, when covering the surface side of the outer wall panel 2 of the building with the exterior panel 3, as described above, the connecting tool 4 is attached to the structural steel column 1 of the building, and the body frame 5 and the support member 4 are supported on the connecting tool 4. A base structure can be easily provided by fixing the rails 6 in order. And the exterior panel 3 is attached to the support rail 6 of the foundation structure provided in this way. This attachment can be performed smoothly by keeping the weight and width of the exterior panel 3 so that an operator can hold the panel alone. First, the inward flanges 3 a of the exterior panel 3 are aligned with the support rails 6 on both sides, and then the exterior panel 3 is brought close to the support rail 6 and the round bar 14 is inserted into the engagement groove 15. And if the round bar 14 is inserted to the front-end | tip of the horizontal groove 15a, the exterior panel 3 will be slid below. At the same time that the exterior panel 3 is lowered by its own weight, the round bar 14 moves in the vertical groove 15b, and as shown in FIG. It is firmly attached to the support rail 6.

  5 and 6 show a second embodiment of the underlying structure according to the present invention. The foundation structure according to this embodiment includes a connector 4 that is held in and held by a structural steel column 1 of a building, a trunk member 5 that is fixed to the connector 4, and a plurality of supports that are attached to the trunk member. Rail 6. A C-shaped steel is used for the trunk edge material 5 as in the above embodiment. In this embodiment, the C-shaped steel is placed on the trunk edge receiving portions 7c and 8c of the connector 4 with the opening side of the C-shaped steel facing downward. . A rectangular connecting plate 16 is slidably disposed in the body edge member 5, and a bolt insertion hole provided in the connecting plate 16 and a bolt insertion provided in the body edge receiving portions 7 c and 8 c of the connector 4. By aligning the holes and fixing the connecting plate 16 to the trunk edge receiving portions 7c and 8c with bolts 11c and nuts 12c, the trunk edge member 5 can be fixed to the connector 4. The lateral width w3 of the connecting plate 16 is larger than the opening width size w4 of the body frame material 5. When the connecting plate 16 is fixed with bolts 11c, the opening of the body frame material 5 between the both ends of the connection plate 16 and the body edge receiving portions 7c and 8c. By sandwiching the end portion 5d, the trunk edge member 5 is fixed.

  Therefore, in the foundation structure according to this embodiment, it is possible to save the trouble of providing the bolt insertion hole in the bottom wall 5a of the trunk edge member 5. Moreover, since no damage is left on the bottom wall 5a of the trunk edge member 5, the width of use after removal is widened. In addition, since the fixing means of the support rail 6 with respect to the trunk | drum 5 and the attachment means of the exterior panel 3 with respect to the support rail 6 are the same as that of the said embodiment, detailed description is abbreviate | omitted.

  7 and 8 show a third embodiment of the underlying structure according to the present invention. The base structure according to this embodiment includes a connector 20 that is held in and held by a steel column 1 of a building, a trunk material 5 that is fixed to the coupler 20, and a support rail 6 that is attached to the trunk material 5. And have.

  As in the above-described embodiment, the connector 20 is configured by bringing two connecting plates 21 and 22 into close contact and fastening. Each connecting plate 21, 22 includes holding portions 21 a, 22 a that hold the left and right lips 1 c, 1 d formed inward at the ends of the grooves 1 a, 1 b of the shaped steel column 1 from the outside, and each holding Fastening portions 21b and 22b extending forward from the insertion portions 21a and 22a, and a trunk edge receiving portion 22c extending forward from the one fastening portion 22b. The holding portions 21a and 22a have concave groove portions 21d and 22d corresponding to lips 1c and 1d provided at both ends of the groove portions 1a and 1b of the shaped steel column 1, respectively.

  When both the connecting plates 21 and 22 are brought into close contact with each other, a gap 23 is provided between the fastening portions 21b and 22b. The gap 23 is formed by providing a step 24 in the fastening portion 21b of the connecting plate 21 on one side. In the fastening portions 21b and 22b, when the bolts 11d are inserted into the bolt insertion holes provided in both the connecting plates 21 and 22, and the nuts are fastened to the bolts 11d, the fastening portions 21b and 22b are elastic inward. As a result, the holding portions 21a and 22b are engaged and held so as to bite into the lips 1c and 1d of the section steel column 1. In this way, the required number of connectors 20 can be easily attached to a predetermined position of the shaped steel column 1.

  The connecting plate 22 on the other side is integrally provided with a trunk edge receiving portion 22c extending forward of the fastening portion 22b. The trunk edge receiving portion 22c is formed on the same plane as the fastening portion 22b. The barrel edge receiving portion 22c is provided with four bolt insertion holes 22f at equal intervals.

  The trunk member 5 is made of the same C-shaped steel as in the above embodiment, but is provided with a connecting plate 26 that protrudes downward from the lower surface of the bottom wall 5 a, and this connecting plate 26 is a trunk receiving portion of the connector 20. It is fixed to 22c with a bolt. The connecting plate 26 is provided with a bolt insertion hole 26a corresponding to the bolt insertion hole 22f of the trunk edge receiving portion 22c, and after placing the trunk edge material 5 on the trunk edge receiving portion 22c of the connector 20, The connecting plate 26 is brought into close contact with the trunk edge receiving portion 22c, and the both are fastened by the bolt 11e and the nut 12e, whereby the trunk edge member 5 is fixed to the connector 20.

  In any of the above embodiments, the case where the exterior panel is attached to the surface of the outer wall of the building has been described, but it is needless to say that the present invention is not limited to the exterior panel. Of course, the connection tool is not limited to the above embodiment.

1 Shaped steel pillar (post)
1a, 1b Groove 1c, 1d Lip 2 Outer wall panel (outer wall)
DESCRIPTION OF SYMBOLS 3 Exterior panel 3a Inward flange 4,20 Connection tool 5 Body edge material 5a Bottom wall 5b Outer side wall 5c Bolt insertion hole 5d Opening edge part 6 Support rail 6a Back surface 6b Side surface 7,8,21,22 Connection plate 7a, 8a, 21a 22a Entrapment part 7b, 8b, 21b, 22b Fastening part 7c, 8c, 22c Trunk edge receiving part 7d, 8d, 21d, 22d Groove part 7e, 8e Bolt insertion hole 7f, 8f, 22f Bolt insertion hole 9, 23 Gap 10, 24 Step 11a, 11b, 11c, 11d, 11e Bolt 12a, 12b, 12c, 12e Nut 13 Screw 14 Round bar (engagement protrusion)
15 engaging groove 15a transverse groove 15b longitudinal groove 16, 26 connecting plate 26a bolt insertion hole

Claims (7)

A foundation structure provided on the outer wall of a building,
A body edge where the base material is spanned between a plurality of connectors held by the shape steel columns supporting the outer wall of the building and a plurality of connectors held by each of the shape steel columns and fixed to the connectors possess and wood, the,
The connecting tool includes a holding portion having a shape substantially corresponding to a lip provided at both ends of the shaped steel column, a fastening portion that engages and holds the holding portion with the lip, and a trunk edge that fixes the trunk edge material. A foundation structure of a building having a receiving part .   The building foundation structure according to claim 1, further comprising a plurality of support rails attached to the trunk edge member, wherein the plurality of support rails are arranged at a predetermined interval narrower than an interval between the structural steel columns of the building. .   The building support structure according to claim 2, wherein the plurality of support rails have an engaging portion for supporting an exterior material attached to a surface side of the outer wall.   The building foundation structure according to claim 3, wherein the engaging portion of the support rail is an engaging protrusion that fits into an engaging groove provided in an exterior material.   The building foundation structure according to claim 3 or 4, wherein the exterior material is an exterior panel that covers a surface of an outer wall of the building. The foundation structure of a building according to claim 1 , wherein the trunk edge receiving portion has a horizontal surface on which a trunk margin material is placed.   The foundation structure of a building according to claim 6, wherein the trunk edge receiving portion has a horizontal surface on which a trunk margin material is placed.

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