JP2007270421A - Sill structure of house and washer for outside angle - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a sill structure of a house capable of preventing uplift caused in an outside angle part of the building. <P>SOLUTION: Embedded bolts 13, 14 protrude in respective upper face parts of a beam side vertical wall part 18 and a gable side vertical wall part 19, and sill members 22 to 25 provided with through holes for the embedded bolts 13, 14 are mounted on the beam side vertical wall part 18 and the gable side vertical wall part 19. Upper face parts of these sill members 24, 25 are fixed by washers 10 for outside angle having a substantially triangular shape. The washer 10 for outside angle is constituted into an integral shape having such size that extends from the embedded bolt 13 in the beam side vertical wall part 18 to the embedded bolt 14 in the gable side vertical wall part 19. The embedded bolts 13, 14 pass through bolt holes 15, 16 of the washers 10 for outside angle, respectively, and nuts 8 having larger diameter than diameter of the bolt holes 15, 16 of the washers 10 for outside angle are screw-fixed in screw parts of the embedded bolts 13, 14 protruding from the washers 10 for outside angle to connect the embedded bolts 13, 14 mutually by the washers 10 for outside angle. <P>COPYRIGHT: (C)2008,JPO&INPIT

Description

  The present invention relates to a foundation structure for a house and a washer for a corner used in the construction of the house, and more particularly, to a foundation structure for a house suitable for use in a unit building configured by combining a plurality of building units and the construction of the house. Concerning a corner washer.

  Conventionally, there is an example in which a concrete foundation called footing is used as a foundation of a detached house (see, for example, Patent Document 1). FIG. 4 shows such a concrete foundation and a mounting structure for a base fixed on the foundation.

  A base 2 is placed on the upper end surface of the concrete foundation 1. The base 2 is fixed to the upper end surface of the foundation 1.

  A black circle shown in FIG. 5 indicates a fixed point B of the base 2 on the foundation 1. An embedded bolt 3 protrudes from the upper end surface of the foundation 1, and a through hole 4 through which the embedded bolt 3 is passed is formed in the base 2.

  When the base 2 is fixed to the foundation 1, the embedded bolt 3 is inserted into the hole 6 of the washer 5 shown in FIG.

Then, a plurality of rotation and horizontal displacement prevention projections 7 formed at the four corners of the washer 5 are pressed against the upper surface side of the base 2, and a nut 8 is screwed onto the tip of the embedded bolt 3 and tightened. The washer 5 is fixed to the upper end surface of the base 2 so that the base 2 at the lower part of the building is fixed to the foundation 1.
Japanese Patent Publication No. 58-30978

  However, when the base 2 of the protruding corner C (see FIG. 4) of the house is fixed to the foundation 1 by such a conventional mounting structure and washer of the foundation, There is a risk that the height of the base of the building unit may be raised due to uneven height, or a difference in level between the ends of the base 2 of the projecting corner C due to differences in screw tightening force or nut 8 tightening force. there were.

  Further, in the projecting corner C of the building unit, the leg of the building unit floats due to a wind load applied to the house or a load acting in the pulling direction such as deformation of the foundation 1 or the building unit due to an earthquake. There was a risk of occurrence.

  Then, this invention makes it the subject to provide the foundation structure of the house which can suppress the raising which arises in the projecting corner part of a building, and the washer for the projecting corner used for the construction of the house.

  In order to solve the above-mentioned problem, the base structure of a house according to claim 1 of the present invention includes a screw portion on an upper surface portion of an intersecting portion having at least two substantially orthogonal sides of a foundation on which a building is placed. A pair of embedded bolts facing upwards are spaced apart in the two sides and protrude upward and fixed to each other, and the embedded bolts are attached to a base member constituting a part of the building. A size that provides a through hole to be inserted, is placed on the upper surface portion, and connects the embedded bolts on the two sides across the two sides of the intersecting portion to the upper surface portion of the base member. A pair of integrally formed protruding corner washers with bolt holes through which the embedded bolts are inserted, and threaded portions of the embedded bolts in the through holes of the protruding corner washers, respectively. Insert a nut into each threaded part of the embedded bolt that protrudes from the washer By screwing the wood, by interposing the external corner washer, to the base member is the foundation, it is characterized in that it is fixed.

  Moreover, the washer for a corner according to claim 2 of the present invention has at least two substantially orthogonal sides of the foundation on which the building is placed, and each of the embedded bolts protrudes upward. A corner washer used for the intersection, straddling the substantially orthogonal two sides, and having a size extending from one embedded bolt to the embedded bolt of the wife side vertical wall, It is characterized by having through holes for these embedded bolts.

  According to the foundation structure of the house of the present invention according to claim 1 configured as described above, the bolt hole of the embedded bolt is formed on the upper surface portion of the foundation member placed on the upper surface of the crossing portion of the foundation. The formed integral-type washer for the corner is attached, and at least a pair of embedding bolts, for example, the embedding bolt of the girder-side vertical wall portion and the embedding of the wife-side vertical wall portion, over the intersecting portion. The two projecting bolts together with the built-in bolts fix the projecting corners of the building at the two intersections of the foundation.

  For this reason, the embedded bolts are connected by the protruding corner washers, and the load in the pulling direction generated in one embedded bolt is distributed to the other embedded bolt, so that lifting is suppressed.

  In this way, steps are created on the vertical and horizontal bases that make up the intersection, and the rise of the protruding corners when building units are used is suppressed, so installation of unit buildings composed of these building units is suppressed. Accuracy can be increased.

  Moreover, according to the protruding corner washer according to claim 2, the protruding corner portion of the building can be fixed by straddling at least two sides of the crossing portion of the foundation with a single protruding corner washer. Can be reduced.

  Hereinafter, the base structure of a house and the washer for a corner of a house according to the best mode for carrying out the present invention will be described based on examples. In addition, the same code | symbol is attached | subjected and demonstrated about the same or equivalent part as a prior art example.

  1 to 3 show examples of the best mode of the present invention. First, the overall structure of a building as a house and the corner washer will be described, and then the base structure of the house to which the corner washer is applied will be described.

  The same or equivalent parts as those in the conventional example will be described with the same reference numerals.

  FIG. 1 shows a state in which a unit building 100 as a building is mainly composed of a roof portion 110 formed by combining a plurality of building units 101 to 109, roof units 111 to 116, and the like.

  Of the foundation 21 on which the unit building 100 is placed, a pair of embedded bolts 13 and 14 with threaded portions facing upward are provided on the upper surface of the intersecting portion 32 having at least two substantially orthogonal sides. In the direction of the spar-side vertical wall portion 18 and the wife-side vertical wall portion 19 constituting the side, they are spaced apart from each other and protruded upward to be fixed.

  Further, the protruding corner washers 10 and 10 are mounted on the protruding corner portions 101a to 109a located at the four corners of the building units 101 to 109, respectively.

  The housing corner washer 10 is made of, for example, a single plate made of steel having a thickness of about 1 mm to 5 mm, and has a substantially right triangle shape in plan view of the building.

  The sheet metal may be a single sheet metal sheet folded into a plurality of layers, or a plurality of sheet metal sheets may be laminated. Washer main body portions 11 and 12 are formed at two acute angle portions excluding the right angle portion of the triangular protruding corner washer portion 10.

  These washer main body parts 11 and 12 have a substantially rectangular shape. Bolt holes 15 and 16 for inserting embedded bolts 13 and 14 (see FIG. 2) are formed in the washer main body portions 11 and 12.

  The bolt holes 15 and 16 have a larger diameter than the thickness of the embedded bolts 13 and 14, respectively, and a smaller diameter than the nut 8 screwed onto the bolts 13 and 14.

  Note that a washer (not shown) may be laid in the bolt holes 15 and 16 and the nut 8 may be screwed through the washer. The distance from the apex position of the right angle portion 37 of the protruding corner washer 10 to the center position of the bolt holes 15 and 16 of the washer main body portions 11 and 12 in the direction along the wall surface is the vertical wall portion 18 for the girder and the vertical wall for the wife. It is set so as to coincide with the distance from the position of the vertex of the right angle portion of the portion 19 to the center of each embedded bolt 13, 14 in the direction in which the foundation 21 extends.

  For this reason, by inserting one of the embedded bolts 13 and 14 through the bolt holes 15 and 16, respectively, the apex of the right angle portion 37 of the washer 10 for the corner of the exit is the vertical wall portion 18 for the girder and the vertical wall portion for the wife. The upper surface base members 24 and 25, which will be described later, substantially coincide with the apex of the right-angle portion 19 and have a certain area on the upper surface side in the vicinity of the protruding corner portions, and are configured to contact and cover.

  In addition, a plurality of rotation and horizontal misalignment preventing protrusions 20 are formed at the four corners of the rectangular part of the washer body parts 11 and 12.

  FIG. 2 shows a base structure of a house using the above-described washer 10 for a corner. In FIG. 2, reference numeral 21 is a concrete base, 18 is a girder-side vertical wall portion of the foundation 21, 19 is a gutter-side vertical wall portion of the foundation 21, and 22 is a lower base that is directly supported by the girder-side vertical wall portion 18. Members, 23 is a lower layer base member supported directly on the wife side vertical wall portion 19, 24 is an upper layer base member supported by the lower layer base member 22, 25 is an upper layer base member supported by the lower layer base member 22, 27 is a building joist, 28 is a floorboard, 29 is a wall panel, 30 and 31 are exterior materials, and 32 is an intersection of the foundation 21.

  Among these, the said cross | intersection part 32 is mainly comprised by the girder side vertical wall part 18 and the wife side vertical wall part 19 as two sides substantially orthogonal. Embedded bolts 13 project from the girder-side vertical wall portion 18 with the threaded portion facing vertically upward, and embedded bolts 14 project from the wife-side vertical wall portion 19 with the threaded portion facing vertically upward. ing.

  In addition, the lower base member 22 and the upper base member 24, the lower base member 23 and the upper base member 25 connected to the lower surface side of each building unit 101 to 109 are bolt holes for passing the embedded bolts 13 and 14, respectively. Openings 22a to 25a are formed.

  The threaded portions of the embedded bolts 13 are through holes 22a and 24a for the bolts of the lower layer base member 22 and the upper layer base member 24, and the threaded portions of the embedded bolts 14 are through holes for the bolts of the lower layer base member 23 and the upper layer base member 25. It penetrates 23a and 25a, respectively. The protruding corner washer 10 is mounted on the upper layer base member 24 and the upper layer base member 25.

  The threaded portions of the embedded bolts 13 and 14 are passed through the bolt holes 15 and 16 of the washer main body portions 11 and 12 of the protruding corner washer 10. The threaded portions of the embedded bolts 13 and 14 protrude from the washer main body portions 11 and 12 by a distance slightly larger than the thickness of the nut 8 that contacts the washer main body portions 11 and 12.

  Further, at the four corners of the washer main body portions 11 and 12 of the washer 10 for the projecting corner, rotation and horizontal misalignment preventing protrusions 20 are formed so as to project in a substantially cylindrical shape. This wood screw is configured to be brought into contact with the upper layer base member 24 and the upper layer base member 25 so as to bite in part, thereby preventing rotation of the corner washer 10 and prevention of horizontal displacement.

  On the lower surface side of the joists 33 and 34 of the building, concave portions 35 and 36 having a projected area that is slightly larger in plan than the washer main body portions 11 and 12 of the corner washer 10 are formed. The washer body parts 11 and 12 of the protruding corner washer 10 are fixed to the lower side. The right angle portion 37 of the protruding corner washer 10 is supported by the upper layer base member 24 and the upper layer base member 25.

  The upper-layer base member 24 and the upper-layer base member 25 are provided with a joist 33 on the girder side and a joist 34 on the wife side, and the joists 33 and 34 are fixed on the upper-layer base member 24 and the upper-layer base member 25 by bolts (not shown). Is done. A floor board 28 is fixed on the joists 33 and 34, and wall panels 29 and 30 are fixed on the floor board 28. Exterior materials 30 and 31 are attached to the outside of the wall panels 29 and 30.

  As described above, in the above-mentioned base structure of the house, through holes (not shown) for the embedded bolts 13 and 14 are provided on the upper surfaces of the girder-side vertical wall portion 18 and the wife-side vertical wall portion 19. The base members 22 to 25 are respectively mounted, and on the upper surface portions of the base members 24 and 25 forming the crossing portion 32 of the girder side vertical wall portion 18 and the wife side vertical wall portion 19, the girder side vertical portion is straddled across the crossing portion 32. For an integrated projecting corner having a size extending from the embedded bolt 13 of the wall portion 18 to the embedded bolt 14 of the wife side vertical wall portion 19 and having the bolt holes 15 and 16 of the embedded bolts 13 and 14 formed therein. A washer 10 is mounted.

  Then, the embedded bolts 13 and 14 are respectively passed through the bolt holes 15 and 16 of the protruding corner washer 10, and the threaded portions of the embedded bolts 13 and 14 protruding from the protruding corner washer 10 are connected to the protruding corner washer 10. A nut 8 having a larger diameter than the bolt holes 15 and 16 is screwed. The nut 8 may be in direct contact with the protruding corner washer 10 or may be indirectly fixed through a washer or a washer-like metal member.

  The corner washer 10 is used in an intersecting portion 32 composed of the girder-side vertical wall portion 18 and the wife-side vertical wall portion 19 in the foundation portion of the building, and the upper surface of the girder-side vertical wall portion 18 and the wife-side vertical wall portion. The base member 24, 25 mounted on the upper surface of the base 19 is straddling the base members 24, 25 and extends from the embedded bolt 13 of the girder-side vertical wall portion 18 to the embedded bolt 14 of the wife-side vertical wall portion 19. Since the bolt holes 15 and 16 through which the embedded bolt 13 and the embedded bolt 14 are inserted are provided, in a fixed state, there is a gap between the embedded bolt 13 and the embedded bolt 14. , And is connected by this washer 10 for the corner.

  Therefore, in this protruding corner washer 10, not only directly below the washer main body portions 11 and 12 fixed by the embedded bolt 13 and the embedded bolt 14, but also from these washer main body portions 11 and 12, the right angle portion. The upper surface portions of the upper layer base members 24 and 25 can be pressed over a wide area up to the top of 37 and fixed to the girder-side vertical wall portion 18 and the wife-side vertical wall portion 19 of the foundation 21.

  According to the base structure of the house of this embodiment, the protruding corner washer 10 made of an integral steel plate straddling both the base members 24 and 25 is fixed by the pair of nuts 8 and 17, so the girder-side vertical wall portion 18 and When the base members 24 and 25 are fixed to the wife side vertical wall portion 19, the difference in height is eliminated, and the floats of the joists 33 and 34 on the base members 24 and 25 are eliminated.

  At that time, the embedded bolts 13 and 14 protrude from the girder-side vertical wall portion 18 and the wife-side vertical wall portion 19 that form the intersecting portion 32, and the foundation is placed on the girder-side vertical wall portion 18 and the wife-side vertical wall portion 19. The members 24 and 25 are fixed, the corner washers 10 are attached to the base members 24 and 25, the embedded bolts 13 and 14 are passed through the bolt holes 15 and 16, and the nut 8 is tightened to the embedded bolts 13 and 14. When the nut 8 is screwed into the threaded portion of the embedded bolts 13 and 14, even if there is a difference in height between the upper layer base members 24 and 25, the protruding corner washer 10, the girder side vertical wall portion 18 and the wife side Since the vertical wall portion 19 sandwiches the lower layer base member 22 and the upper layer base member 24 and presses the lower layer base member 23 and the upper layer base member 25 from above and below, the difference in height between them is eliminated.

  As described above, the bolt holes 15 of the embedded bolts 13 and 14 are formed on the upper surface portions of the base members 22 to 25 placed on the upper surface of the intersecting portion 32 of the foundation 21, so The washer 10 is mounted, and the unit building 100 is formed by the embedded bolts 13 of the pair of girder-side vertical wall portions 18 and the embedded bolts 14 of the wife-side vertical wall portion 19 across the intersecting portion 32. Are protruded from each corner 32 of the foundation 21 in two places.

  For this reason, the load in the pulling direction generated in one of the embedded bolts 13 is distributed to the other embedded bolt 14, and lifting is suppressed.

  In this way, the step of the vertical and horizontal foundations constituting the projected corners 32 is suppressed, and in the case of using a plurality of building units 101, the lifting of the projected corners 32 is suppressed, The installation accuracy of the unit building 100 comprised of these building units 101 to 109 can be increased.

  Moreover, since the protruding corner portions 101a of the unit building 100 can be fixed to each protruding corner portion 32 by straddling at least two sides of the intersection portion 32 of the foundation 21 with a single protruding corner washer 10, it is embedded. It is possible to reduce the number of parts by using the washers 101a for the amount of the half of the bolts 13 and 14.

  As described above, the embodiment of the present invention has been described in detail with reference to the drawings. However, the specific configuration is not limited to this embodiment, and the design is not deviated from the gist of the present invention. Modifications are included in the present invention.

  That is, in the above-described embodiment, the rotation and horizontal misalignment preventing projections 20 are formed in a projecting manner in the four corners of the washer main body portions 11 and 12 of the protruding corner washer 10 so as to each have a substantially cylindrical shape. However, when a small hole is penetrated around the bolt holes 15 and 16, a protrusion is formed on the peripheral edge of the bolt, or it is pressed from above without providing a penetrating hole. Further, it may be a rotation and a horizontal misalignment prevention protrusion 20 or the like having a partially raised shape, and the shape, quantity, material and manufacturing process are not particularly limited.

  Further, in this embodiment, as the at least two sides of the foundation, the crossing portion 32 constituted by the girder side vertical wall portion 18 and the wife side vertical wall portion 19 has been exemplified and described, but not limited thereto, From the three sides or four sides as shown in FIG. 3, the place where the girder side vertical wall portion 18 and the wife side vertical wall portion 19 intersect, or the intersection 32 is based on the wall thickness of the general portion of the other foundation. Even if it is a portion configured in a concrete block shape having a substantially square shape when viewed from above, the corners 101a of the building or the building units 101 to 109 have the base members 22 to 25 on the upper surface so as to be thicker. As long as it is mounted via, it may be applied to any intersection.

It is a perspective view of the washer for a corner of the example of the best mode of the present invention. It is a fragmentary perspective view which shows the base structure of the house using the washer for a corner of FIG. 1 of the Example of embodiment of this invention. It is a disassembled perspective view of the unit building as a house of the Example of embodiment of this invention. It is a perspective view which shows the system which mounts a base on the conventional foundation and fixes. It is explanatory drawing which shows the bolt fastening location of the foundation in a building unit. It is a perspective view of the conventional washer.

Explanation of symbols

10 Washer for protruding corner 11, 12 Washer body part 13, 14 Embedded bolt 15, 16 Bolt hole 17 Nut 18 Girder side vertical wall part 19 Wife side vertical wall part 22, 23 Lower layer base member (base member)
24, 25 Upper layer base material (base material)
22a-25a Through-hole 29 Wall panel 32 Intersection 33 Girder side joist 34 Wife side joist

Claims (2)

  Of the foundation on which the building is placed, a pair of embedded bolts with the screw portions facing upwards are spaced apart in the two-side direction at the upper side of at least the intersecting portion having two sides that are substantially orthogonal. The base member which is protruded toward each other and is fixed and provided with a through hole through which the embedded bolt is inserted in the base member constituting a part of the building, is placed on the upper surface portion, and the base member And a pair of bolt holes through which the embedded bolts are inserted and have a size for connecting the embedded bolts of the two sides across the two sides of the intersection. A corner washer is mounted, and the threaded portion of the embedded bolt is inserted into the through-hole of the angled washer, and the threaded portion of the embedded bolt protruding from the angled washer By screwing the nut member, the base member is interposed via the washer for the corner. Foundation structure of housing, characterized in that the foundation is fixed. Among the foundations on which the building is placed, at least two sides that are substantially orthogonal, and each is a washer for a corner that is used for a corner where the embedded bolt protrudes upward,
It straddles the two sides substantially perpendicular to each other and has a size ranging from one embedded bolt to the embedded bolt of the wife side vertical wall portion, and has a through hole for these embedded bolts. A washer for a corner used in the base structure of a house according to claim 1.

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