JPH0742728B2 - Method for connecting wall pillar and beam in PC wall method and method for forming floor using the method - Google Patents

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a method for connecting wall columns and beams in a PC wall type rigid frame method and a method for forming a floor using the method.

[0002]

2. Description of the Related Art Conventionally, as shown in FIG. 8, a PC beam member is placed on an end portion of a PC wall column except a bar portion protruding from the upper end surface of the PC wall column, and then a Kaiser plate is removed from the bar bar portion. PC beam and PC
It was placed on the wall plate, and after the upper reinforcement was placed in concrete, the floor was integrally formed with the PC wall pillar and the PC beam. However, the work of connecting the reinforcing bars protruding to the upper end surface of the PC wall column is troublesome, and the rear reinforcing bar is required at that portion, which is a troublesome work.

[0003]

Therefore, according to the present invention, a PC is used.
(EN) A method of quickly constructing by eliminating the space portion by simply placing the adjacent PC beam bodies on the upper end surface of the wall pillar in abutting contact with each other.

[0004]

Therefore, according to the present invention, the base portions of a pair of engaging projections having reinforcing bars are embedded so that the upper portions thereof project upward from the upper end surface, and a plurality of embedded embedded bodies are provided. A PC wall pillar formed by projecting an upper part of the connecting reinforcing bar upward from an upper end surface, a length between the wall cores of the PC wall pillar, and engaging projections of the PC wall pillar on lower surfaces of both ends. The PC beam body is formed by vertically inserting through holes through which the connecting reinforcing bars of the PC wall columns can be inserted, while the engaging holes to be engaged are absent, and the engaging holes are formed in the respective engaging projections. This is a method of connecting a wall column and a beam body, which are placed in such a manner that the connecting reinforcing bars are inserted through the insertion holes and the respective end faces of the adjacent PC beam members are brought into contact with each other at the upper end faces of the PC wall columns while being engaged with each other. In addition, the method of forming the floor using the method of connecting the wall pillars and the beams is such that the bases of the pair of engaging projections on which the reinforcing bars are mounted are embedded and the upper portions thereof project upward from the upper end surface. , A PC wall pillar formed by protruding the upper portions of a plurality of buried connecting reinforcing bars upward from the upper end surface, and a length between the wall cores of the PC wall pillar, and PC wall pillars on the lower surfaces of both ends. And an engaging hole that engages with the engaging projection of the PC beam pillar, and an insertion hole through which the connecting reinforcing bar of the PC wall column can be inserted in the up and down direction. PC beam bodies connected by engaging the respective engaging holes with each other, inserting the connecting reinforcing bars into the respective through holes, and abutting the respective end surfaces of the adjacent PC beam bodies at the upper end surface of the PC wall pillars so as to be in contact with each other. Place the Kaiser plate on the inner edge of the PC and the edge of the PC wallboard at the same height as the upper edge of the PC wallboard in the longitudinal direction. After applying the above reinforcement to reinforcement projecting from the top of the C beam body and PC wallboard, and a method of forming a floor of the integral in PC beam body by concreting.

[0005]

According to the method of connecting the wall pillar and the beam body, the engaging holes are engaged with the respective engaging projections of the adjacent PC beam bodies, and the connecting reinforcing bars are inserted through the inserting holes. The end faces of the adjacent PC beam bodies are placed in contact with each other at the upper end face of the wall pillar, and the concrete beams for forming the floor portion in the post-process are also placed in the respective engagement holes, so that the PC beams are placed. The body sticks to the PC wall posts. In addition, the Kaiser board is placed on the inner side edge of the PC beam connected with the PC beam placed and the longitudinal one edge of the upper end surface of the PC wallboard installed at the same height as the PC beam, An upper floor of the Kaiser plate, the PC beam, and the PC wall plate are reinforced, and then concrete is placed to form an integral floor portion of the PC beam.

[0006]

The present invention will be described in detail below with reference to illustrated embodiments. The method of this example shown in FIGS.
The upper end of the U-shaped rebar 11 is projected upward by about 15 cm, and the spiral rebar 1 is attached to the outer periphery of the inverted U-shaped rebar 11.
A pair of engaging projections 13 formed by winding 2 are provided side by side, and a plurality of splice sleeves 15 embedded at the lower ends are connected to respective connecting rebars 14 so that their upper portions project upward from their upper end surfaces. It is composed of a PC wall pillar 1 and a PC beam body 2 having a length between the wall cores of the PC wall pillar 1.

[0007] The PC beam 2 is provided with engaging holes 21 through which the engaging projections 13 of the PC wall column 1 are inserted and engaged at both ends thereof, and the connecting rebars 14 of the PC wall column 1 are provided. An insertion hole 22 that can be inserted is formed so as to pass through in the vertical direction, and a bar arrangement 23 is projected on the upper end surface except both end portions thereof.

Then, the engaging holes 21 are inserted into and engaged with the respective engaging projections 13, and the connecting reinforcing bars 14 are inserted into the respective through holes 22 so that they are adjacent to each other at the center of the upper end surface of the PC wall column 1. The end faces of the PC beam bodies 2 and 2 are placed in contact with each other.
As a result, the PC beam bodies 2 and 2 are positioned and connected on the upper end surface of the PC wall pillar 1.

Next, the method of forming the floor portion will be described. The PC wall plate 3 is continuously provided on the PC wall pillar 1 so as to have the same height as the upper end surface of the connected PC beam body 2, and as shown in FIG. The Kaiser plate 4 is placed on the inner side edge of the upper end surface of the body 2 and the longitudinal side edge of the upper end surface of the PC wall plate 3. That is, the Kaiser plate 4 is placed while avoiding the bar arrangements 23 and 31 projecting on the PC beam 2 and the PC wall plate 3. And Kaiser board 4 and PC
After reinforcing the bars 41, 23 and 31 of the beam body 2 and the PC wall plate 3 by reinforcing the bars (not shown) and connecting the reinforcements, the concrete beams are placed on the PC beam body 2 as shown in FIG. That is, the integrated floor portion 5 is formed.

By this concrete placing, the engaging hole 21
Also, since the concrete is filled, the PC beam 2 is integrated with the PC wall pillar 1 through the engaging projection 13, and the floor 5 is also integrated with these.

Further, a PC wall pillar 10 having the same structure as the PC wall pillar 1 is installed on the floor portion 5, and the lower PC wall pillar 1 protruding upward from the floor portion 5 is connected as shown in FIG. The PC rebar 10 is fixed by inserting the reinforcing bar 14 into the splice sleeve 15 buried at the lower end and injecting the mortar 6, the PC beam 2 is connected in the same manner as above, the PC wall plate 3 is attached, and the Kaiser plate 4 is attached. Is placed and after the upper reinforcement is placed, concrete is placed to form the floor portion 5, and this is repeated to form a high-rise wall-type rigid frame structure.

As described above, according to the method of connecting the PC wall pillar and the PC beam body of this embodiment, the engagement of the engaging projection 13 and the connecting reinforcing bar 14 are performed.
PCs adjacent to each other at the center of the upper end surface of the PC wall pillar 1 by inserting the
Since the beams 2 and 2 are in contact with each other and are stably connected, no upper reinforcing bar is required on the upper end surface of the PC wall column 1, and since no gap is created between the PC beams 2 and 2, after the concrete Shot filling is no longer necessary.

Further, since there is no gap between the PC beam bodies 2 and 2 on the upper end surface of the PC wall pillar 1, after installing the Kaiser plate 4, simply connecting the upper reinforcing bars and placing concrete, the floor can be easily installed. The part 5 can be integrally formed.

Although each of the present examples is configured as described above, the present invention is not limited to this. In the method of connecting the wall pillar and the beam body, the number and the configuration of the pair of engaging projections to which the reinforcing bars are attached are not limited, and as shown in FIG. 6, those having spiral iron bars attached to the iron plate core material may be used. . Also, the number of connecting reinforcing bars is not limited. Furthermore, the shape of the PC beam body is arbitrary,
As shown in FIG. 7, a car stop 7 may be connected to the outside of a parking lot building. It should be noted that formation of the floor portion after the connection between the PC wall pillar and the PC beam body is appropriate, and the floor portion may be formed only by connecting the PC floor plates in parallel on the PC beam body.

In the method of forming the floor portion using the method of connecting the wall columns and the beams, the length and the connecting method of the PC wall board are appropriate, and the configuration of the Kaiser board is also arbitrary.

[0016]

According to the invention of the method for connecting the wall pillar and the beam body, the adjacent PC beam bodies are brought into contact with each other at the upper end surface of the PC wall pillar by the engagement of the engaging projections and the insertion of the connecting reinforcing bars, so that the stable connection can be achieved. , PC
There is no need for rear reinforcement on the upper end surface of the wall column, and the effect is that work can be done smoothly and quickly.

Further, in the method of forming a floor portion using the method of connecting the wall pillar and the beam body according to the second aspect, the floor portion can be easily PC beam by placing the Kaiser plate and placing concrete after the upper reinforcement. It can be integrated with the body.

[Brief description of drawings]

FIG. 1 is a partially cutaway perspective view in which a PC beam is connected to a PC wall pillar.

FIG. 2 is an enlarged front view of the connecting portion.

FIG. 3 is a plan view showing a state in which a Kaiser plate is placed.

FIG. 4 is a perspective view of a state in which a floor portion is formed.

FIG. 5 is an enlarged front view with partial cross-section showing the connection of the upper and lower PC wall columns.

FIG. 6 is a perspective view showing another example of a locking projection of a PC wall pillar.

FIG. 7 is a connected perspective view showing another example of the PC beam body.

FIG. 8 is a perspective view showing attachment of a conventional PC beam body.

[Explanation of symbols]

 1, 10 PC wall column 11 Inverted U-shaped rebar 12 Spiral rebar 13 Engagement protrusion 14 Coupling rebar 15 Splice sleeve 2 PC beam 21 Engagement hole 22 Insertion hole 23 Bar arrangement 3 PC wall plate 31 Bar arrangement 4 Kaiser plate 41 Reinforcement 5 Floor

Claims (2)

[Claims] 1. A base portion of a pair of engaging projections having reinforcing bars embedded therein so that upper portions thereof project upward from an upper end surface, and upper portions of a plurality of embedded connecting reinforcing bars are disposed above the upper end surface. PC wall pillars formed to project toward each other, and a length between the wall cores of the PC wall pillars, and engagement holes for engaging with the engagement projections of the PC wall pillars are provided on the lower surfaces of both ends. In addition, it is composed of a PC beam body through which an insertion hole through which a connecting reinforcing bar of a PC wall pillar can be inserted is vertically provided. The respective engagement projections are engaged with the engagement holes and are connected to the respective insertion holes. A method of connecting a wall column and a beam body in a PC wall-type construction method, characterized in that the reinforcing steel rods are inserted and the adjacent end faces of the PC beam columns are placed in contact with each other at the upper end face of the PC wall column. 2. A base of a pair of engaging projections having reinforcing bars mounted therein is embedded so that the upper portions thereof project upward from the upper end surface, and the upper portions of the plurality of embedded connecting reinforcing bars are disposed above the upper end surface. PC wall pillars formed to project toward each other, and a length between the wall cores of the PC wall pillars, and engagement holes for engaging with the engagement projections of the PC wall pillars are provided on the lower surfaces of both ends. In addition, the PC beam body is formed by vertically inserting through holes through which the connecting reinforcing bars of the PC wall columns can be inserted, and the engaging holes are engaged with the respective engaging projections and are connected with the respective through holes. Insert the reinforcing bars through and place the PC wall pillars with the end faces of the adjacent PC beam bodies abutting on each other,
A Kaiser plate is placed on the inner side edge of the connected PC beam and one side edge in the longitudinal direction of the upper end surface of the PC wall plate installed at the same height as the Kaiser plate, the PC beam and the PC wall plate. A method for connecting a wall column and a beam body in a PC wall-type construction method, which comprises placing an upper bar on the bar reinforcement projecting on the floor, and then placing the concrete to form an integrated floor part on the PC beam body A method of forming a floor portion using.