JPH03140524A - Assembling of footing reinforcement - Google Patents

Abstract

PURPOSE:To simplify execution of work by preparing unit reinforcement for each of a column lower part comprising a footing and end parts of beam, a column upper part, a lower central part of the beam and an upper central part of the beam, by uniting the lower part of each unit with concrete cast thereon and by uniting the upper part afterward. CONSTITUTION:A column lower part A made up by arranging footing bottom bars, bottom bars on the end parts of a footing beam and bottom bars for the column one over another in crossing, a lower central part of the beam B, the column upper part C with footing top reinforcements arranged therein are respectively made up as unit members. Then the unit A of the column lower part and the Unit B of the lower central part of the beam are arranged and the reinforcement thereof are united one another and base concrete is case thereon. After this, the unit C of the column upper part and the unit D for the upper central part of the beam are arranged and reinforcements thereof are united one another. Thereby bar arrangement for footing can be simplified with improved accuracy in execution of work.

Description

[Detailed description of the invention] (Industrial application field) The present invention relates to a method for assembling foundation reinforcing bars.

(Prior Art) Conventionally, when arranging foundation reinforcing bars, each of the reinforcing bars for footings, foundation beams, and columns were assembled individually on site.

(Problem to be Solved by the Invention) Therefore, according to the conventional method, a large number of reinforcing bars are required on-site, and problems arise in terms of workability and bar placement accuracy. : There were some difficulties.

The present invention has been developed in view of the problems of the prior art, and its purpose is to provide a method for assembling foundation reinforcing bars with excellent workability and high bar placement accuracy. It is in.

(Means for Solving the Problems) In order to achieve the above object, according to the method for assembling foundation reinforcing bars according to the present invention, reinforcing bars in which footing bottom reinforcements are superimposed with foundation beam end bottom reinforcements are crossed in a cross shape. The column lower unit (2) has column bottom reinforcement installed at the intersection, and the foundation beam center lower unit ([ 31, and a column upper unit (Q and , The upper reinforcement of the inverted U shape is fitted to the upper reinforcement of the center of the foundation beam, forming the upper center unit o of the foundation beam. Then, connect the bottom end reinforcements of the foundation beams of each unit, At the same time, the column upper end reinforcement and footing upper reinforcement of the column upper unit (Q) are connected to the column lower end reinforcement and footing lower end reinforcement of the column lower unit, respectively. This connects the upper ribs and the lower ribs of the central lower unit 1 of the foundation beam.

(Function) According to the present invention, as described above, the foundation and the underground beam are connected to the column lower unit (At) and the foundation beam central lower unit (Bl).
and the column upper unit (Q and the column lower unit which is divided into upper and lower assembly reinforcing bars from the upper reinforcement unit of the central upper unit a of the foundation beam and constitutes the lower assembly reinforcement) (At and the column lower unit that constitutes the lower assembly reinforcement). Place the center lower unit (B) + Bl in the specified position and connect the base li2 beam end beam end lower upper reinforcement 'gI beam center lower end reinforcement of both units to complete the reinforcement arrangement in the lower half of the foundation. Next, after pouring the base concrete, place the column upper unit (C) and the foundation beam center upper unit 0 in the predetermined positions, connect the upper end reinforcements of the foundation beams of each unit, and attach the upper end reinforcements to the foundation beam. Reinforced along the entire length,
The column top reinforcement and footing top reinforcement of the column upper unit (B) fQ are respectively connected to the column bottom reinforcement and footing bottom reinforcement of the column bottom unit (At) to complete the reinforcement arrangement of the column reinforcement and footing reinforcement, and the foundation beam Assemble the ribs of the foundation beam by connecting the U-shaped upper ribs of the upper center unit (D) and the U-shaped lower ribs of the lower beam center unit, and adjust the reinforcement of the foundation beam. It is something that will be completed.

Thus, according to the present invention, each unit prisoner (Bl(Qo
This allows the foundation reinforcement to be assembled.

(Example) The present invention will be described below with reference to the illustrated embodiments.

Figures 1 and 2 show a column lower unit, in which a reinforcing bar block in which the footing lower end reinforcement (1) and the foundation beam end lower end reinforcement (2) are overlapped crosswise, and the column lower end reinforcement (3) is placed at the intersection. ) are arranged and configured. (4) is the bottom reinforcement at the end of the foundation beam (
2) is a U-shaped lower rib that fits.

Figures 3 and 4 show the base W beam center lower unit) (Bl), and the U-shaped lower cost reinforcement (6)' is attached to the base beam center lower end reinforcement (5).
It is configured by fitting it.

Figures 5 and 6 show column upper unit numbers, in which reinforcing bar blocks in which the upside down U-shaped upper cost reinforcement (8) is fitted with the PS foundation beam end upper end reinforcement (7) and abdominal reinforcement are crossed in a cross shape. A footing upper reinforcement θω surrounding the column upper reinforcement (9) and the same upper reinforcement (9) is provided at the intersection.

FIGS. 7 and 8 show the foundation beam central upper unit) G], which is constructed by fitting an inverted U-shaped upper rib θ into the base y1 beam center upper end reinforcement θ0.

Figures 9 to 14 show the manufacturing process of the column lower unit (At), in which footing bottom reinforcements (1) are arranged in the X direction,
Run the sacrificial line 03) near the rising bend (see 1t4 in Fig. 9) and bend the end as shown in Fig. 1O. As shown in Fig. 11, the foundation beam reinforcement in the Y direction is assembled by the foundation beam end bottom reinforcement (2) and the U-shaped lower reinforcement (4), which are superimposed on the Y direction footing bottom reinforcement (1). Then, it overlaps with the already assembled footing strip in the Xh direction. (See Figure 12)
Next, assemble the foundation beam reinforcing bars in the X direction, superimpose them on the polymer, and finally assemble the column bottom reinforcement (3) shown in Figure 13,
It is set in the intersection of the foundation beam reinforcing bars, and the column lower unit (C) is assembled. (See Figure 14), Figures 15 to 23 show the manufacturing process of the column upper unit (C), and include the foundation beam end top reinforcement (7) and top cost reinforcement (8).
Assemble it upside down. (See Figures 15 and 16) The ribs are on the middle side of the figure.

Further, as shown in FIG. 17, the main reinforcement and tie reinforcement of the column upper reinforcement (9) are assembled. At this time, as shown in (9'), ensure the required length for the joint of the main reinforcement on the foundation.

Next, an assembly frame having a recessed portion in the center is installed, and the assembly bars of the foundation beam end upper end reinforcement (7) and upper cost reinforcement (8) that intersect with each other are supported upside down on the frame, and (
(See FIGS. 18 and 19) Insert the column upper reinforcement (9) into the assembly reinforcement intersection in an inverted state, and fit the tip into the central recess of the assembly frame. (Refer to Fig. 20) (F) is a receiving frame for the lower end reinforcement (7) at the end of the foundation beam, and as shown in Fig. 24, a beam receiving part is provided to eliminate the need for alignment of the beam reinforcement. be.

Furthermore, as shown in FIGS. 20 and 21, the outer peripheral reinforcement (10a) of the footing upper reinforcement 00) is assembled around the outer periphery of the column upper reinforcement (9) on the frame, and the footing transverse reinforcement (10b) is assembled.
Insert the central horizontal footing reinforcement (10c) in the form in which it is attached (see Figure 23), and further insert the horizontal footing reinforcement (10b) to complete the assembly of the column upper unit (C).

Then, as shown in Fig. 25, the column lower unit (BI
Install the IJ in a predetermined position, place the foundation beam center lower unit (Bl) between the unit prisoners, and connect the foundation beam center upper end reinforcement (5) of the foundation beam center of the unit (Bl) and the foundation beam end lower end reinforcement (2) of the unit (Bl). ) are joined by appropriate means to form each unit (B) (
/1,1 (Connect Bl to complete the reinforcement arrangement of the lower half of the foundation reinforcement.

Next, after pouring heath concrete, the column upper unit (Q and foundation beam center upper unit 0) are placed on the column lower unit (Al) and the foundation beam center lower unit (131), respectively, and each of the same units (QO ], the foundation beam end top reinforcement (7) and the foundation beam center top reinforcement (11) are connected, and the column top reinforcement (9) and footing top reinforcement 0ω of the column top unit (C) are connected to the column bottom unit. The lower end reinforcement of the column (3) and the lower end reinforcement of the footing (1) are respectively connected, and the inverted U-shaped upper rib of the beam center upper unit (D) is connected.
8) and the U-shaped lower ribs (6) of the beam center lower unit (B-thickness B) are joined to complete the assembly of the foundation reinforcing bars.

(See Figure 27) (Effects of the Invention) According to the present invention, as described above, the column lower unit (B ) (Beam center lower unit which is a pre-combined At, base vI beam center lower end reinforcement and U-shaped lower cost reinforcement ((31, base beam end upper end reinforcement, inverted U-shaped upper cost reinforcement, column upper part) The beam center upper unit (C) is a combination of reinforcements and footing upper reinforcements, and the beam center upper unit (C) is a combination of foundation beam center upper reinforcements and fallen U-shaped upper ribs (C).
B) D is used to assemble each unit and arrange the foundation reinforcing bars on-site, which greatly simplifies on-site work, saves labor, improves workability, and improves construction accuracy. is improved.

The invention as claimed in claim 2 is such that when assembling the column upper unit (B) (Q), an upper beam reinforcement in which a base upper end reinforcement is fitted to an inverted U-shaped rib and abdominal reinforcement is placed on an assembly frame having a recess in the center. Support the column so that it intersects in a cross shape in the collapsed state, insert the column upper reinforcement at the intersection, fit the tip into the central recess of the assembly frame, and support the column upper reinforcement on the outer periphery of the assembly frame. By arranging the upper reinforcing bars of the footing, the reinforcing bar members of the same unit are assembled in an inverted state using the pedestal, and there is no need to hold the reinforcing bars during assembly, which simplifies the assembly work of the unit. This is significantly simplified and helps save labor.

[Brief explanation of the drawing]

Figures 1 and 2 are the same front and side views of the column lower unit, Figures 3 and 4 are the front and side views of the foundation beam center lower unit, respectively, and Figures 5 and 6 are the front and side views, respectively. A front view and a side view of the column upper unit, FIGS. 7 and 8 are respectively a front view and a side view of the foundation beam center upper unit, and FIGS. 9 to 14 show the assembly ♂f process of the column lower unit. Figures 15 to 23 are explanatory diagrams showing the tJl erection process of the column upper unit, Figure 24 is a side view showing the pedestal of the upper reinforcement at the end of the foundation beam, and Figure 25 is the column lower part. FIGS. 26 and 27 are a plan view showing the state of assembly of the unit and the central lower unit of the foundation beam, and FIGS. 26 and 27 are side views on the same plane as the foundation reinforcing bars assembled by the method of the present invention. Prisoner...Column lower unit, (8+...Foundation beam center lower unit, (C)...Column upper unit, 0...4TI! Beam center upper unit, 0... Frame,
(1)...Footing bottom reinforcement, (2)...
Bottom reinforcement at foundation beam end, (3)...Column bottom reinforcement, (4)...Lower cost reinforcement, (
5)...Foundation beam center lower end reinforcement, (6)...Lower cost reinforcement, (7)...Foundation beam end upper end reinforcement, (8)...Upper cost reinforcement, (9)... Column top reinforcement, 0ω... Thorning top reinforcement, 011... Base Tj1 beam center upper end reinforcement, 021...
Upper ribs.

Claims (1)

[Scope of Claims] 1. A column lower unit (A) in which reinforcing bars in which footing bottom reinforcements and foundation beam end bottom reinforcements are overlapped crosswise, and column bottom reinforcements are arranged at the intersection, and a foundation beam. A foundation beam center lower unit (B) consisting of a central lower end reinforcement and a U-shaped lower cost reinforcement that fits into the lower end reinforcement, and an inverted U-shaped upper cost reinforcement and abdominal reinforcement fitted to the upper end reinforcement of the foundation beam end. Column upper unit (C) in which the reinforcing bars intersect in a cross shape, and the column upper reinforcement and footing upper reinforcement are arranged at the intersection.
and a foundation beam center upper unit (D) formed by fitting an inverted U-shaped upper rib and abdominal reinforcement to the foundation beam center upper end reinforcement, and the foundation beam center lower unit (A) and the foundation beam center lower unit (B). ) in a predetermined position, connect the bottom reinforcements of the foundation beams of each unit, and after placing the base concrete, place the column upper unit (C) and the center upper unit of the foundation beam (D) in the predetermined positions, At the same time, connect the foundation beam top reinforcements of each unit, and connect the column top reinforcement and footing top reinforcement of the column upper unit (C) to the column bottom reinforcement and footing bottom reinforcement of the column bottom unit (A), respectively, and A method for assembling foundation reinforcing bars, comprising joining the upper ribs of the unit (D) and the lower ribs of the foundation beam central lower unit (B). 2. On an assembly frame with a recess in the center, support the foundation beam upper end reinforcement with the inverted U-shaped ribs and abdominal reinforcement fitted in an inverted state so as to intersect in a cross shape, and attach the column upper end reinforcement at the intersection. 2. The foundation reinforcing bar according to claim 1, wherein the base reinforcing bar is inserted and its tip is fitted into the central recess of the assembly frame, and the footing upper reinforcement supported by the assembly frame is disposed around the outer periphery of the column upper reinforcement to assemble the column upper unit. How to assemble.