JP3159996B2 - Precast beam fixing structure - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a fixing structure for fixing a precast girder to the head of an upright wall.

[0002]

2. Description of the Related Art Conventionally, as this type of girder, at the construction site, a form for the girder is assembled on the head of an erect wall, and concrete is poured into this form, so-called cast-in-place. It is generally known that a beam is formed at the center.

[0003]

Since the conventional girder is manufactured by cast-in-place where concrete is cast at the site as described in the above section, it is difficult to assemble the formwork. Removal work is required, and concrete is cast into the formwork. Moreover, it takes time to solidify the concrete poured into the formwork.

[0004] As described above, the conventional berth requires a great deal of labor and time to manufacture, and therefore the manufacturing cost is high.

[0005] As described above, it is conceivable to provide an existing ligament on the head of the wall instead of manufacturing it by casting in place. However, a method for surely fixing the ligament to the wall is considered. There was no. For this reason, it is not sufficiently performed to firmly integrate the wall body for the purpose of providing the ligament.

SUMMARY OF THE INVENTION The present invention has been made in view of the above-mentioned circumstances, and has as its object to provide a precast girder that can be easily and quickly mounted on an erect wall head at a low cost. To provide a fixing structure.

[0007]

According to the fixing structure of the present invention, the strut is made of precast, and the fitting groove formed in the lower part of the strut so as to fit into the head of the wall. And a plurality of fixing holes formed in the fitting groove so as to penetrate from the surface facing the upper end surface of the wall head to the upper end surface of the beam, and the wall head of the fitting groove A fixing bar protruding from an upper end surface of the wall head so as to be inserted into each fixing hole at the time of fitting into the fixing hole; and filling the fixing hole at the time of inserting the fixing bar. And a fixing coagulant to be used. Then, by fixing the fixing rod of the wall head as an anchor in the fixing coagulant filled in the fixing hole, fixing the precast beam and the wall is fixed. Part, and a male formed on a fixing rod of the wall head.
Screw the screw part into the female screw part formed in the fixing hole.
By doing so, the precast beam and the wall are fixed.
The fixed part is the longitudinal direction of the precast beam
Are provided alternately . By doing so, it is possible to eliminate the work of making the beam in precast and cast it in place as in the prior art, and to manufacture the beam inexpensively. Further, the fixing of the precast ligament and the wall is performed by the fitting groove and the fixing hole provided in the ligament, the fixing rod material provided in the wall, and the fixing coagulant filled in the fixing hole. Can be reliably performed. Moreover, the fixing bar
The fixing part that only needs to be inserted into the fixing hole and the male
A fixing part for screwing the female screw part into the female screw part in the fixing hole;
Were provided alternately in the longitudinal direction of the precast beam
The work of fixing the precast beam to the wall
Work such as temporary fixing work and fixing work
Can be easily and reliably performed in a short time.
You.

[0008] Then, the fixing rod of the head of the wall is fixed as an anchor in a fixing coagulant filled in the fixing hole, thereby fixing the precast beam and the wall. It shall be.

[0009] By doing so, it is possible to eliminate the conventional work of casting in place by making the dorsal beam made of precast, thereby making it possible to manufacture the dorsal beam at low cost. Further, the fixing of the precast ligament and the wall is performed by the fitting groove and the fixing hole provided in the ligament, the fixing rod material provided in the wall, and the fixing coagulant filled in the fixing hole. Can be reliably performed.

[0010]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS A reclining beam fixing structure according to the present invention will be described below with reference to an embodiment shown in FIGS.

In the fixing structure 1 for the beam 3 provided on the head 2a of the standing wall 2, the beam 3 provided on the head 2a of the standing wall 2 is made of a precast product. The fixing structure 1 in which the fence 3 made of steel is fixed to the head 2a of the wall 2 has a fitting groove 4 formed at the lower part of the flute 3 so as to fit to the head 2a of the wall. A plurality of fixing holes 5 formed in the fitting groove 4 so as to penetrate from the surface facing the upper end surface of the wall body head 2a to the upper end surface of the beam 3;
The fixing rod 6 protruding from the upper end surface of the wall head 2a is inserted into each fixing hole 5 when the wall is fitted to the wall head 2a.
And a fixing coagulant 7 that is filled into the fixing hole 5 when the fixing bar 6 is inserted.

The fixing rod 6 of the wall head 2a is fixed as an anchor in a fixing coagulant 7 filled in the fixing hole 5 so that the precast beam 3 and the wall 2 are fixed.
And is fixed.

The fixing bar 6 in this embodiment (see FIG. 3) is constituted by a bolt screwed into an insert nut 8 embedded in the wall head 2a.
6a is an anchor portion in the fixing coagulant 7 filled in the fixing hole 5.

The precast beam 3 has a main body 3a in which a fixing hole 5 and a fitting groove 4 are formed in upper and lower parts, respectively, and a rising part provided from one end of the main body 3a. 3b to form a substantially L-shaped cross section.

Further, the fixing of at least one fixing hole 5 in the plurality of fixing holes 5 and the fixing rod 6 inserted into the fixing holes 5 (see FIG. 4) This is performed by screwing the formed female screw portion 5a and the male screw portion 6a formed on the fixing bar 6.

The fixing hole 5 in FIG. 4 is a bolt through hole, and its upper portion is enlarged for screwing work. The enlarged diameter portion is filled with a fixing coagulant 7. Further, the fixing rod 6 in FIG. 4 is formed so as to extend over substantially the entire length of the fixing hole 5.

In this embodiment, as shown in FIG. 2, the fixing rod 6 is fixed in the fixing hole 9 in the fixing hole 5 as an anchor.
And a plurality of fixing portions 10 with which the fixing rods 6 are screwed into the fixing holes 5 are provided alternately in the longitudinal direction of the beam 3. Reference numeral 11 in FIGS. 3 and 4 denotes a sponge seal for preventing the fixing coagulant 7 filled in the fixing hole 5 from leaking.

When the precast beam 3 is fixed to the wall 2 by the fixing structure 1 having such a configuration, first, the fixing bar 6 protruding from the upper end surface of the wall head 2a is laid. Beam 3
The wall head 2a is inserted into the fixing hole 5 formed in the main body 3a so as to fit the fitting groove 4 of the beam 3 and the wall head 2a.
And are fitted.

Next, in the fixing portion 10, the fixing bar 6 is screwed into the fixing hole 5. By this, the head 2a of the wall 2
It is possible to temporarily fix the recumbent beam 3 at the same time, and by adjusting the screwing amount of the fixing bar 6, the inclination of the recumbent beam 3 in the longitudinal direction can be adjusted.

Next, the fixing hole 5 into which the fixing rod 6 is inserted.
The inside is filled with the fixing coagulant 7. And this fixing hole 5
The solidification of the fixing coagulant 7 filled therein completes the fixation of the precast lie beam 3 to the head 2a of the wall 2.

[0021]

[Effects of the Invention] Since the beam is made of precast, the work of assembling and removing the formwork and placing concrete as in the conventional casting on site is not required, so that the beam can be easily installed. can do. Therefore, it is possible to provide the recumbent at low cost.

The head of the wall is fitted into the fitting groove at the lower part of the beam, and a fixing rod projecting from the head of the wall is inserted into the fixing hole at the upper end surface of the beam. The work of filling the fixing hole in the upper end surface of the beam with the fixing coagulant can fix the precast ligament to the wall head.

Therefore, it is a simple operation of fitting the head of the wall into the fitting groove and inserting the fixing rod into the fixing hole. In addition, at least one fixing hole in the plurality of fixing holes and the fixing The beam and the wall can be firmly fixed to each other by screwing with the bar or a fixing coagulant filled in each fixing hole.

This is because the beam is made of precast.
Can be firmly fixed to the wall,
Easy installation and improved strength by integrating the wall
It is possible to provide a beam that can reliably perform the operation.
A fixing part that simply inserts the fixing rod into the fixing hole,
Screw the male thread of the fixed rod into the female thread in the fixing hole.
Alternately in the longitudinal direction of the precast beam
By providing a plurality, the precast beam and the wall
The fixing operation can be easily and reliably performed. For example, each
The screw between the male thread of the fixing rod and the female thread in each fixing hole
Adjust the blending amount to adjust the longitudinal inclination of the beam
Temporary fixation work and solidification material for fixing in each fixing hole of the beam
Can be performed easily and securely in a short time.
Can be.

[Brief description of the drawings]

FIG. 1 is a schematic view showing a fixing structure of a precast lie beam of the present invention.

FIG. 2 is a view taken along the line AA of FIG. 1;

FIG. 3 is an enlarged sectional view taken along line BB of FIG. 2;

FIG. 4 is an enlarged sectional view taken along line CC of FIG. 2;

[Explanation of symbols]

DESCRIPTION OF SYMBOLS 1 ... Fixed structure, 2 ... Wall, 2a ... Head, 3 ... Lying beam, 3a ... Main body, 3b ... Standing part, 4 ... Fitting groove, 5 ... Fixing hole, 5a ...
Female thread part, 6 ... Fixing rod material, 6a ... Male thread part, 7 ... Fixing coagulant, 8 ... Insert nut, 9 ... Fixed part, 10 ... Fixed part, 11 ... Sponge seal.

Claims (2)

(57) [Claims] 1. A fixed structure in which a ligament provided on the head of an upright wall is made of precast, and the precast ligament is fixed to a head of the wall. A fitting groove formed at a lower portion of the beam so as to be fitted to the body head, and a top surface of the wall that is opposed to a top surface of the wall head in the fitting groove. A plurality of fixing holes formed therethrough, and projecting from an upper end surface of the wall head so as to be inserted into each of the fixing holes when the fitting groove is fitted to the wall head. And a fixing coagulant that is filled into the fixing hole when the fixing bar is inserted, and the fixing bar of the wall head is fixed. Fixing the precast beam and wall by fixing as an anchor in the fixing coagulant filled in the hole Solid consisting of Te
A fixed part and a male screw formed on a fixing rod of the wall head
Part is screwed into a female screw part formed in the fixing hole.
By fixing the precast beam and the wall,
Is fixed in the longitudinal direction of the precast beam.
A structure for fixing a precast beam, wherein a plurality of beams are provided on each other . 2. The fixing rod is screwed into the head of the wall.
Fixing structure of precast made Wo beam of claim 1 Symbol mounting, characterized in bolt der Rukoto that.