JPH06330637A - Joint construction of precast vertical member - Google Patents

Abstract

PURPOSE:To surely determine the horizontal position for a precasted vertical member, speedily carry out execution work, reduce the uselessness of the placed mortar, by allowing the placed mortar to be pressed by the precast vertical member. CONSTITUTION:In the joint construction for a precast vertical member, a formwork 4 for prescribing the piling quantity of the placed mortar 3 is arranged on a base body 2 on which the precast vertical member 1 is placed, and in the formwork 4, a plurality of level blocks 9 having a supporting body 8 in point contact or line contact with the undersurface of the precast vertical member 1 are placed at a prescribed position on a horizontal plate 7 fixed on an elastic body 6, keeping the elastic body 6 in conntact with the base body 2, and the horizontal level is determined. The placing mortar 3 is placed in the formwork 4 until the level block 9 is embedded, and the precasted vertical member 1 is constructed, and connected and joined, keeping the undersurface in contact with a supporting body 8 for the level block 9.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a method of joining precast vertical members such as column members and load bearing walls.

[0002]

2. Description of the Related Art Conventionally, when a precast vertical member such as a large pillar member or a bearing wall is installed, the horizontal level of the precast vertical member is adjusted so that the precast vertical member 100 as shown in FIG. A level block 102 is stacked at a predetermined position above to determine a horizontal level, and in order to transmit a vertical load of the precast vertical member 100 to the base body 101, a laying mortar 103 is evenly laid between them to the horizontal cross section of the precast vertical member 100. And FIG.
As shown in FIGS. 2 to 14, the precast vertical member 100 is mounted on and joined to the level block 102.

[0003]

By the way, in such a joining method of precast vertical members, when the laying mortar 103 is laid in the vicinity of the level block 102, as shown in FIGS. 12 and 13, the precast vertical members are provided. 10
When 0 is mounted and joined, the floor mortar 103, which is higher than the level block 102, is pressed by the precast vertical member 100, the floor mortar 100 climbs onto the level block 102, and the precast vertical member 100 is horizontally positioned. However, there are drawbacks such as construction errors.

Further, when the floor mortar 103 is laid apart from the level block 102 when the floor mortar 103 is installed so that the floor mortar 103 does not ride on the level block 102, when the precast vertical member 100 is installed,
As shown in FIGS. 12 and 14, a gap 104 may be formed in the vicinity of the level block 102, which may cause structural and waterproof defects.

As described above, even if the floor mortar 103 is constructed with care so that no gap 104 is formed between the floor mortar 103 and the level block 102 and that it does not overlap the level block 102, the above-mentioned problems occur. , It takes time for construction. Further, the floor mortar 103 is pressed by the precast vertical member 100 and protrudes to the outside. If the protrusion amount is large, it is troublesome to carry out a later cutting operation and the floor mortar 103 is wasted by that amount, which is not economically preferable.

The present invention has been made in view of the above point, and the floor mortar is pressed by the precast vertical member, the horizontal positioning of the precast vertical member is reliable, the construction work is quick, and the floor mortar is wasted. It is an object of the present invention to provide a method for joining precast vertical members that can be reduced.

[0007]

In order to solve the above-mentioned problems, in the method for joining precast vertical members according to the present invention, a form which defines the amount of laying mortar is arranged on a substrate on which the precast vertical members are laid. Further, in this form, a plurality of level blocks having a support that makes point contact or line contact with the lower surface of the precast vertical member on the horizontal plate fixed to the elastic body are brought into contact with the base body. Place it in a predetermined position to set the horizontal level, and lay mortar in this formwork until the level block is filled,
It is characterized in that the precast vertical member is built up and the lower surface thereof is brought into contact with the support of the level block to be mounted and joined.

[0008]

According to the present invention, the formwork is arranged on the base body on which the precast vertical member is laid, and a predetermined amount of the laying mortar is placed in the formwork, thereby defining the amount of the laying mortar to be disposed. Reduce.

Further, a plurality of level blocks are formed in the formwork.
Place the elastic body in contact with the base body at a predetermined position to determine the horizontal level, and lay the floor mortar in this form until the level block is buried.Shortly install the floor mortar without considering the gap with the level block. Can be done in time.

Further, a precast vertical member is built and the lower surface of the precast vertical member is placed in contact with the support of the level block to be mounted and joined. At this time, since the lower surface of the precast vertical member presses the floor mortar, the floor mortar is directed outward. It protrudes and becomes slightly raised in the formwork, and the lower surface of the precast vertical member comes into point contact or line contact with the support of the level block and makes close contact with it, and the mortar lays on the level block and there is a gap between it and the level block. Does not occur.

Further, the level block has a structure in which a support is provided on a horizontal plate fixed to an elastic body, and even if the floor mortar sinks or dries and contracts, the horizontal plate is supported by the elastic body. Therefore, the vertical load of the precast vertical member can be received together with the floor mortar and transmitted to the base body without being received by the horizontal plate alone.

[0012]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of a method for joining precast vertical members according to the present invention will be described in detail below with reference to the accompanying drawings. 1 is a plan view of a joint portion showing a state before joining a precast vertical member, FIG. 2 is a sectional view taken along line II-II of FIG. 1, FIG. 3 is a sectional view showing a precast vertical member in a built-in state, 4 is a sectional view showing a state in which precast vertical members are joined, FIG. 5 is a sectional view taken along line VV in FIG. 3, FIG. 6 is a sectional view taken along line VI-VI in FIG. 4, and FIG. 7 is a level block. FIG.

In this precast vertical member joining method, a mold 4 is arranged on the base body 2 on which the precast vertical member 1 is laid so as to regulate the amount of laying mortar 3.
As the precast vertical member 1, for example, a column member or a bearing wall is used. Further, as the base body 2, for example, a bearing wall, a beam, a floor or the like is used. Further, as the mold 4, for example, a mold having an opening 5 larger than the joining surface of the precast vertical member 1 by a predetermined amount and having a predetermined height H is used. The amount of mortar 3 to be served is regulated.

In this way, the mold 4 is arranged on the base body 2 on which the precast vertical member 1 is laid, and a predetermined amount of the mortar 3 is placed in the opening 5 of the mold 4, whereby the mortar 3 The amount of serving can be regulated, and the waste of the floor mortar 3 can be reduced.

The elastic member 6 is placed in the opening 5 of the mold 4.
A plurality of level blocks 9 each having a spherical support 8 which is in point contact with the lower surface of the precast vertical member 1 on a horizontal plate 7 fixed to the elastic plate 6 are placed in a predetermined position by bringing the elastic body 6 into contact with the base 2 to set a horizontal level. Then, the floor mortar 3 is placed in the opening 5 of the mold 4 until the level block 9 is filled. The elastic body 6 of the level block 9 is made of synthetic rubber, synthetic resin, wood plate material, etc., and the horizontal plate 7 and the two support bodies 8 are made of iron plate etc., and the elastic body 6 and the horizontal plate 7 are bonded to each other. It is fixed with an agent. In addition, at a predetermined position on the horizontal plate 7, 2
Each spherical support 8 is fixed by welding.

In this way, a plurality of level blocks 9 are placed in the opening 5 of the mold 4 so that the elastic bodies 6 thereof are brought into contact with the base body 2 at predetermined positions to set the horizontal level, and the opening of the mold 4 is opened. Since the floor mortar 3 is placed in the portion 5 until the level block 9 is filled, the floor mortar 3 can be constructed in a short time without considering the gap between the floor mortar 3 and the level block 9.

Further, the joint 11 of the precast vertical member 1 is inserted into the vertical rebar 10 of the base body 2 to build the precast vertical member 1, and the lower surface of the precast vertical member 1 is brought into contact with the support 8 of the level block 9. Place and join. In this way, when the precast vertical member 1 is built and the lower surface of the precast vertical member 1 is placed in contact with the support 8 of the level block 9 to be mounted and joined, the lower surface of the precast vertical member 1 presses the floor mortar 3, and thus the floor mortar. 3 escapes to the outside of the level block 9 so that the precast vertical member 1 is supported by the support body 8 accurately and horizontally. Further, since the floor mortar 3 protrudes to the outside, it slightly rises in the form 4, and the lower surface of the precast vertical member 1 comes into point contact with the support 8 of the level block 9 and comes into close contact therewith. The precast vertical member 1 is reliably and stably built in a predetermined position without the possibility of leaving a gap unfavorable in structure and waterproofness around the periphery.

The level block 9 has a structure in which a support 8 is provided on a horizontal plate 7 fixed to the elastic body 6,
Even if the floor mortar 3 sinks or shrinks due to drying, the horizontal plate 7 follows the elastic body 6, so that the vertical load of the precast vertical member 1 is not received only by the horizontal plate 7, It can be received together with the mortar 3 and transmitted to the base 2.

8 to 10 are perspective views showing an embodiment of the level block. In the level block 9 of FIG. 8, two supports 20 are formed by a round bar, and these two supports 20 are fixed to a predetermined position of the horizontal plate 7 by welding, and the lower surface of the precast vertical member is the level block 9. Level adjustment is performed by making line contact with the top edge of the support 20.

In the level block 9 shown in FIG. 9, a support 21 is formed by bending a round bar into a U shape. The support 21 is fixed to a predetermined position of the horizontal plate 7 by welding, and the lower surface of the precast vertical member is level. Level adjustment is performed by similarly making line contact with the top edge of the support 21 of the block 9.

In the level block 9 shown in FIG. 10, the support 22 is formed of two steel rods having a triangular cross section. The support 22 is fixed to a predetermined position of the horizontal plate 7 by welding, and the lower surface of the precast vertical member 1 is Level adjustment is performed by making line contact with the top edge of the support 22 of the level block 9.

Further, the support body of the level block is not limited to the above-mentioned one, and may be any one that makes point contact or line contact with the lower surface of the precast vertical member.

Furthermore, the horizontal main plate of the level block and the support may be integrally formed of a synthetic resin material.

[0024]

As described above, according to the present invention, the formwork is arranged on the base body on which the precast vertical member is laid, and a predetermined amount of the base mortar is placed in the formwork, whereby the amount of the base mortar to be placed is increased. Since it regulates, the waste of the floor mortar can be reduced.

In addition, a plurality of level blocks in the formwork,
Place the elastic body in contact with the base body at a predetermined position to determine the horizontal level, and lay the mortar in this form until the level block is buried, so do not consider the space between the mortar and the level block when constructing the mortar. It can be done in a short time.

Further, since the precast vertical member is built and the lower surface of the precast vertical member is brought into contact with the support of the level block to be mounted and joined, the lower surface of the precast vertical member presses the floor mortar, so that the floor mortar protrudes outward. And the bottom surface of the precast vertical member comes into point contact or line contact with the support of the level block and makes close contact with it, and the floor mortar rises between the level block and the surroundings of the level block. There are no gaps.

Further, since the level block has the structure in which the support is provided on the horizontal main plate fixed to the elastic body, even if the floor mortar sinks or dries and contracts, the horizontal main plate is caused by the elastic body. Since it follows, the vertical load of the precast vertical member is not received only by the horizontal main plate,
It can be received with the bed mortar and transferred to the substrate.

[Brief description of drawings]

FIG. 1 is a plan view of a joining portion showing a state before joining a precast vertical member.

FIG. 2 is a sectional view taken along the line II-II in FIG.

FIG. 3 is a cross-sectional view showing a built-in state of a precast vertical member.

FIG. 4 is a cross-sectional view showing a state in which precast vertical members are joined.

5 is a cross-sectional view taken along line VV of FIG.

6 is a sectional view taken along line VI-VI in FIG.

FIG. 7 is a perspective view of a level block.

FIG. 8 is a perspective view showing an embodiment of a level block.

FIG. 9 is a perspective view showing an embodiment of a level block.

FIG. 10 is a perspective view showing an embodiment of a level block.

FIG. 11 is a cross-sectional view showing a built-in state of a conventional precast vertical member.

FIG. 12 is a cross-sectional view showing a state in which conventional precast vertical members are joined.

13 is a sectional view taken along line XIII-XIII in FIG.

14 is a sectional view taken along line XIV-XIV in FIG.

[Explanation of symbols]

 1 Precast vertical member 2 Base 3 Laying mortar 4 Form 6 Elastic 7 Horizontal plate 8 Support 9 Level block

─────────────────────────────────────────────────── ─── Continuation of the front page (51) Int.Cl. ⁵ Identification code Office reference number FI technical display location E04B 2/64

Claims (1)

[Claims] 1. A formwork is disposed on a base body on which a precast vertical member is laid, the formwork defining an amount of laying mortar.
Further, a plurality of level blocks each having a support body which is point-contacted or line-contacted with the lower surface of the precast vertical member on a horizontal plate fixed to an elastic body are provided in the mold, and the elastic body is brought into contact with the base body to be predetermined. Place it in a position, set a horizontal level, lay mortar in this form until the level block is filled, install the precast vertical member, put the lower surface of the precast vertical member on the support of the level block, mount it and join it. A method for joining precast vertical members, characterized by: