JP3062042B2 - Wall railing and its installation 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 wall column installed on a reinforced concrete road bridge or other structures (hereinafter abbreviated as "overseas roads") and a method of installing the same.

[0002]

2. Description of the Related Art FIG. 4 shows an example of a conventional structure in which a precast wall rail is connected and fixed to a floor slab such as a road bridge. The base side of the anchor bolt 16 is buried in the floor slab 1 and provided in an upright state, and the anchor bolt 16 is fixed by lowering the bolt insertion hole 12a of the wall railing block 12 from above while addressing the wall. Adjustment bolts 13 and 14 are provided to adjust the installation height and verticality of the row block 12. One of the adjustment bolts 13 is screw-adjusted from the bottom surface of the wall-height block 12, and the other adjustment bolt 14 is long and projects vertically into a bolt insertion hole 12b penetrating to the bottom of the wall-height block 12. ing. At this time, since the bottom side of the wall rail block 12 has a female screw structure, the height and verticality are adjusted by the degree of screwing of the adjusting bolt 14. Even in the case of another structure in which a bolt insertion hole is provided in the entire height direction of the wall railing block 12, the height adjustment at the time of installation is performed on the bottom side of the wall railing block 12 by almost the same operation. I have.

[0003]

Such a conventional structure requires labor and skill in adjusting the height and verticality. The work of accurately lowering the bolt insertion hole of the wall railing block to a plurality of anchor bolts buried in the floor slab in advance is very difficult and requires skill. Further, in the structure in which the fastening bolts are inserted into the upper and lower holes communicating between the wall railing block and the floor slab, the fastening bolts cannot be inserted unless the holes are correctly aligned, and the work of inserting and tightening the fastening bolts is troublesome. In particular, in an elevated work, it is difficult to insert an adjustment bolt from the bottom of the wall railing block, and there is also a difficulty in leveling. It is also dangerous. Therefore, the present invention has studied a structure and a construction method capable of easily, accurately and safely installing a wall railing.

[0004]

SUMMARY OF THE INVENTION The present invention has been made for the purpose of solving the above-mentioned drawbacks of wall railing construction, and is characterized by anchor bolts standing on a floor slab 1 such as a road bridge.
3a, 3b, in the wall railing where the wall railing block 2 is fixed,
In the middle of the upright wall on the side of the wall railing block 2, there is a sumi 2b and the sumi 2b
A bolt insertion hole 2a that is almost perpendicular to the floor slab
An anchor bolt 3a having an adjusting screw is implanted,
Screw into the anchor bolt 3a inserted into the insertion hole 2a.
The wall railing block 2 on the height adjustment plate 5
Fix the standing wall below the wall 2b of the railing block 2
It is a wall balustrade characterized by the following. In this structure, it is preferable to provide a recess for receiving the adjustment plate on the bottom surface of the wall railing block. The surfaces of the recesses are designed to form the same horizontal plane.

[0005] Further, the construction method of the wall balustrade is a road bridge or the like.
Wall panel rails with anchor bolts 3a, 3b standing on floor slab 1
In the installation method of the wall balustrade to fix the rack 2,
In the middle of the upright wall on the lock 2 side, a squeeze 2b and downward from the sedge
Use a floor slab with a substantially vertical bolt insertion hole 2a.
Implant the anchor bolt 3a having an adjustment screw on the side,
Screwed into anchor bolt 3a inserted into bolt insertion hole 2a
Wall railing block 2 is set on the height adjustment plate 5
And fix the standing wall below the wall 2b of the railing block 2.
At the same time as the other anchor
It is characterized in that it is fixed with a bolt 3b and the wall railing block 2 is concretely fixed to a floor slab .

[0006]

According to the present invention, an adjusting plate having a tapping hole which is threaded by a female screw or a screw is appropriately screwed into a thread portion of an anchor bolt erected on a floor slab when the wall sill is installed. After adjusting the level, you can adjust the height and vertical just by placing the wall railing block on it,
Construction is completed only by solidifying it with concrete.
Fine adjustment and vertical adjustment of the height of the wall can be made by rotating the adjustment plate from the side. If the level of the adjustment plate contact surface of the concave portion is adjusted, construction can be performed as designed simply by previously determining the position of the adjustment plate.
When the wall railing block is hung and lowered from above, a predetermined work interval can be maintained between the floor slab and the wall railing block, and the long anchor bolts are easily bent, so the bolt insertion holes are erected on the floor slab. It is easy to insert into the anchor bolt, and the insertion work becomes easy. Furthermore, even if the block is accidentally dropped during the operation, it stops at the adjustment plate, so that the safety of the worker is ensured.

[0007]

FIG. 1 shows a bolt insertion hole 2a provided along the entire height of an upright wall of a wall railing block 2. A bolt insertion hole 7 is also provided in a fastening portion 7 provided on a roadway side to maintain strong fixing. 7a is provided. On the floor 1 side, anchor bolts 3a, 3b penetrating the two bolt insertion holes 2a, 7a are implanted. The anchor bolts 3a and 3b can maintain a predetermined working interval between the floor slab and the wall rail block when the wall rail block is lowered from above, and the long anchor bolts are easily bent, so the wall rail block is The anchor bolts 3a, 3b can be easily addressed to the bolt insertion holes 2a, 7a, and the wall railing block can be easily installed. This point is that in the conventional structure shown in FIG. 4, it is difficult to set an appropriate working interval between the floor slab and the bottom surface of the wall-height block suspended from the floor plate. Differing from addressing was difficult and dangerous. At the base of the anchor bolts 3a and 3b, the top of the floor slab 1 and the wall railing block 2
Between the screws 4, adjusting plates 5, 5 having female threads are screwed. In this example, the lower nut 5a of the adjustment plate 5 is screwed into the screw 4, and the upper plate portion 5b is inserted in the anchor bolt 3a in a free state. The presence of the adjusting plate 5 enables the height and vertical adjustment of the wall railing block, and the safety of the worker can be ensured because the block stops at the adjusting plate 5 even if the block accidentally falls during work.

In this manner, while the adjustment plates 5, 5 are held with respect to the anchor bolts 3a, 3b, the nuts 5a, 5a are turned to appropriate positions while the adjustment plates 5, 5 are positioned to perform height and vertical adjustment. . Next, anchor bolts 3a, 3b
After the upper part is fixed with nuts, concrete is poured between the upper surface of the floor slab 1 and the wall rail block 2 and solidification is completed.

FIG. 2 shows another embodiment of the present invention. In this case, the anchor bolt 3a is short due to the provision of the lip 2b on the wall rail block 2 side. The effect of the provision of the burrs 2b is that the wall railing block 2 is easily installed. Also in this example, the adjustment plates 5, 5 are held by the anchor bolts 3a, 3b. In this case, the adjustment plates 5, 5 have a structure having a tapping hole. A recess 6 for receiving the adjusting plate 5 is provided on the bottom surface of the wall rail block 2 as shown in FIG.
The presence of the concave portion makes the adjustment by the adjusting plate accurate by keeping the concave portion 6 smooth with a mold even if there is unevenness on the bottom surface when the wall railing block is manufactured.

[0010]

As described above, according to the present invention, the bolt insertion hole of the wall-height block lowered from above when the wall-height is installed is easily inserted into the anchor bolts erected on the floor slab, and the insertion work is easy. Also, an adjusting plate having a female screw or a tapping hole is appropriately screwed into a screw portion of the anchor bolt,
The height and vertical adjustment can be performed simply by placing the wall railing block on it, and the construction can be completed simply by solidifying it with concrete, making fine adjustment of the height and vertical easy, and improving the efficiency and safe construction of the construction Became possible.

[Brief description of the drawings]

FIG. 1 is a sectional view showing an installation method according to an embodiment of the present invention.

FIG. 2 is a cross-sectional view of a wall column according to another embodiment of the present invention.

FIG. 3 is a bottom perspective view of a wall railing block.

FIG. 4 is a cross-sectional view showing an example of installation of a conventional wall panel.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Floor slab 2 Wall rail block 2a Bolt insertion hole 3a Anchor bolt 3b Anchor bolt 4 Screw 5 Adjustment plate 5a Nut 5b Plate part 6 Concave part 7 Tightening fastening part 7a Bolt insertion hole

──────────────────────────────────────────────────続 き Continuing on the front page (72) Inventor Hideyoshi Harada 7-10 Casting Town, Hofu City, Yamaguchi Prefecture (72) Inventor Yutaka Nishiko 1-6-24 Kokuya, Hofu City, Yamaguchi Prefecture (72) Inventor Shinichi Tsunoda Yamaguchi Prefecture 2-8-12 Kuwayama, Hofu-shi (72) Mitsuo Saito 2-3-6-2 Haginaka, Ota-ku, Tokyo 2-406 (72) Inventor Yukio Miyagawa 630-1, Kaida, Ochiai-cho, Maniwa-gun, Okayama Prefecture Landes Corporation (56) References JP-A-54-121533 (JP, A) JP-A-63-56712 (JP, U) (58) Fields investigated (Int. Cl. ⁷ , DB name) E01D 19/10

Claims (2)

(57) [Claims] 1. An anchor standing upright on a floor slab 1 such as a road bridge.
In the wall railing where the wall railing block 2 is fixed by the bolts 3a and 3b, a squeeze 2b and the nut
A bolt insertion hole 2a that is almost vertical from
Implant the anchor bolt 3a having an adjustment screw on the side,
Screwed into anchor bolt 3a inserted into bolt insertion hole 2a
Wall railing block 2 is set on the height adjustment plate 5
And fix the upright wall below the wall 2b of the railing block 2.
A wall height section characterized by being fixed . 2. An anchor bar standing on a floor slab 1 such as a road bridge.
Installation of wall balustrade to fix wall balustrade block 2 with bolts 3a and 3b
In the construction method, it is necessary to place
2b and a bolt insertion hole 2a that is almost vertical from
An anchor having an adjusting screw on the floor 1 side using a girder
Bolts 3a are implanted, and the bolts are inserted into the bolt insertion holes 2a.
On the height adjustment plate 5 screwed into the car bolt 3a
Install the wall railing block 2 and set the wall railing block 2
2b, the upright wall is fixed downward, and
Fix it with the other anchor bolt 3b and wall railing block
2. A method of setting up a wall balustrade, wherein 2 is fixed to concrete on a floor slab .