JP3158200U - Bearing wall of the wooden drop-in (Itakura) method with increased seismic strength - Google Patents

Abstract

[PROBLEMS] To provide a load-bearing wall that improves the seismic strength and airtightness of a wooden drop-in construction method (made by Itakura) and shortens the construction time. A pillar 13 and a wall material 12 are ant-processed, and a joint portion is fixed with a plug (wedge) 11 to form a strong wall and shorten the construction period. A hole of about 15mm was drilled in the same place on the dropping material 12 and the base, and all screw bolts of about 12mm were dropped through the upper part of the dropping material and the lower part of the base, and the top and bottom were tightened with screws. Sometimes it can be tightened to close the gap. [Selection] Figure 2

Description

The present invention relates to a load-bearing wall of a wooden building that is more earthquake-resistant than a conventional one.

The drop-in method (Itakura method) used in traditional temples and shrines, etc. is a method of dropping wood into a groove that has been processed into a pillar with a groove in the pillar (thickness 30 mm, height 100 mm), but it is earthquake resistant. Sex is not so high. (Wall magnification about 0.6)

Also, the dropped squares shrink due to drying or the like, and the airtightness decreases.

In addition, the following nonpatent literature 1 can be raised as a well-known technique regarding this invention device.

http: // www. itakural. jp / itakura. html

As described above, the conventional dropping method is not so high in earthquake resistance and inferior in airtightness.

The present invention was developed to solve these disadvantages and shorten the construction period.

Process the lip of the member to be dropped into the column (and also process the side of the column) and drop it from the top of the column when standing.

At this time, it is very difficult to drop the dropped material from the upper part of the column to the lower part of the base due to the friction of the joint, so it is very difficult to drop the dropped material to a predetermined position after machining the column surface greatly. If dropped, fix it with a wedge.

As described above, the present invention is a product with higher seismic strength than the conventional drop method. When a hole of about 15mm is drilled in the same place on the dropped material and the base, and all screw bolts of about 12mm are dropped through the top and bottom of the material and screwed up and down to dry the dropped material and create a gap Retightening can close the gap.

The ant processing on the dropped material and the side surface of the column increases the strength against lateral pulling, and the shoulder portion of the dropped material can be made to be a strong wall by resisting the rolling when an earthquake occurs.

In addition, it is possible to increase the airtightness by hiring the dropped material and processing it.

By connecting the dropping materials with dowels, the walls can be made stronger.

Hereinafter, embodiments of the present invention will be described in detail with reference to the drawings.

Figures ▲ 1 ▼ and ▲ 5 ▼ are views of the present invention in a state where it is dropped on the pillar, and FIGS. ▲ 2 ▼ and ▲ 6 ▼ are views of the present invention viewed from diagonally in front of FIG. , (7) is a detailed view of the dropped material as seen from above, and FIGS. (4) and (8) are detailed views as seen from above when the present invention is constructed on a 120 mm square pillar.

In FIGS. 1A and 1B, reference numeral 15 denotes a hole through which all the screws pass for tightening a gap formed when the dropped material is dried. 24 denotes all screw bolts, and 25 denotes a nut and a washer.

11 in FIGS. 1 and 2 is a wedge for fixing the ant-processed member at a predetermined position, and changing the angle of the male and female trees at the joint, the size of the ant's beak and neck side parts When the wedge is driven in by the difference (enlarging the neck side part), the side of the pillar and the shoulder part of the drop material are in close contact with each other, so that a strong joint is created.

13 in FIGS. 1 and 4 are views of the ant female column viewed from above.

In FIG. 1, 12 is a dropped material with ants processed at both ends, and 14 is a portion processed with ants.

Figures ▲ 1 ▼, ▲ 2 ▼, ▲ 3 ▼ 21 is the part that has been processed Yaitosane, 22 and 23 of the figure ▲ 4 ▼ is the angle of the part of the ant processing part, 23 is processed to an acute angle than 22 is there.

Fig. 5 is a top view of a bearing wall that can be easily disassembled when dismantling [Claim 2], and can easily fill in the gap when it is dried. After fixing all the parts, fix them to the pillars with nails or screws with members (parting materials) for fixing the walls. Later, when the wall material (dropping material) is dried and a gap is formed in the joint, it is possible to maintain the strength of the joint by replacing it with a parting material remade to a large size.

Figure ▲ 7 ▼ is a detailed view of the bearing wall of [Claim 2] seen from above, and Figure ▲ 8 ▼ is seen from above when the bearing wall of [Claim 2] is constructed on a 120 cm column. In the detailed view, reference numeral 20 denotes a nail (screw) for fixing the parting material to the pillar.

Although omitted in FIG. 6, the wall of [Claim 2] can be dealt with when the material dries by applying the Yatozan and all screw bolts.

[Claim 1] When both bearing walls of [Claim 2] are dry, a gap is created between the upper part of the wall and the spar by tightening all the screw bolts. It is necessary to process the cover board used during construction.

Although the embodiments and examples of the present invention have been described above, the scope of the present invention is not limited thereto.

View of claim 1 from above FIG. 1 is a tanned view of claim 1 Figure of the mouth of claim 1 The chart of the mouth and pillar of claim 1 View of claim 2 from above A view of claim 2 as seen from above Figure of claim 2 The fitting chart of claim 2 and column

11 Wedge (plug) 18 Joint 12 of claim 2 Wall material (dropping material) 19 Pillar 13 pillar 20 Pillar 20 screw
14 Joints (Dots processed by ants) 21 Employment stool 15 Bolt through holes 22 Angles of pillars processed 16 Parting materials 23 Angles processed by ants
24 volts
25 Nut, washer

Claims (2)

It is a load-bearing wall using a wooden drop-in construction method, and it has a higher wall strength than the conventional drop-in wall by processing the joint between the pillar and drop-in material. A load-bearing wall that can be easily dismantled during dismantling and can easily fill in when a gap is created by drying.

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