JPH01102171A - Method of integral placing construction of concrete in stepped floor and rising section of building body - Google Patents

Abstract

PURPOSE: To construct forms correctly and prevent leakage by setting generally U-shaped metal braces with a horizontal bearer, a long leg and a short leg between slab forms and balcony forms before placing concrete simultaneously. CONSTITUTION: A metal brace 1 is set in place with a metal anchor 7 on a short leg 1c fixed to a slab form 8 and a protective tube 6 on a long leg 1b put on a balcony form 9 to hold a horizontal bearer 1a positioned horizontally. A cotter reinforcement 11 is laid between a spacer block 10 and a cotter reinforcement bearer 5 to support thereon top beam reinforcements 12. With a rise reinforcing bar 13 welded to a rise reinforcement mounting stud 4, a rise form 14 is fixed to a separator 2 via a form tie 15. A batter form 16 is fixed on a batter form bearer 3. Both forms 14 and 16 are coupled via a head spreader 17. Concrete is simultaneously placed in all the slab form 8, balcony form 9, beam form and rise form 14.

Description

DETAILED DESCRIPTION OF THE INVENTION A. Object of the Invention Industrial Field of Application The present invention provides, for example, as shown in FIG. This relates to a construction method in which a building frame having a rising portion C such as a building frame is integrally poured with concrete.

Conventional technology Conventionally, when pouring concrete into a part of a building structure with steps such as those mentioned above, a separator F is welded to the beam steel frame or reinforcing bars E, and a formwork G is set to this, as shown in Figure 5. The concrete was being poured.

Problems to be Solved by the Invention However, in the above conventional method, the accuracy of setting the formwork G depends on the accuracy of the steel frame and reinforcing bars E, and the installation accuracy of the separator F. It was difficult to dismantle the concrete, and there were also problems with the finishing of the concrete surface after demolding.

The present invention was made in order to solve the above-mentioned conventional problems, and its purpose is to enable accurate and easy setting of formwork for stepped floors and rising parts that do not require much time and effort for finishing. The purpose of this project is to provide a concrete casting method that can be used in one piece.

B1 Means for Solving the Constituent Problems of the Invention The method of integrally pouring concrete for stepped floors and rising parts of a building frame according to the present invention is to bend the concrete in a substantially U-shape to form a horizontal receiving part and a long leg part. The support with the short legs formed thereon is passed over a stepped floor, and the lower ends of the long legs are installed on the low floor side, and the lower ends of the short legs are installed on the high floor side, and the length of the horizontal support section is set. Attach a rising formwork or stepped formwork to the separator that protrudes horizontally from the side ends of the legs, set the rising formwork on the horizontal receiver, and pour concrete into both slopes and the rising part at the same time. It is characterized by this.

EXAMPLE Hereinafter, an example of the present invention will be described with reference to the drawings.

In Fig. 1, reference numeral 1 denotes a metal receiving part, and as shown in Fig. 2, a reinforcing bar is bent into a substantially U-shape to form a horizontal receiving part 1a and a long leg part 1.
b and short leg portion 1c are formed.

A separator 2 is welded to the end of the long leg portion 1b of the horizontal receiving portion 1a so as to protrude in the horizontal direction.

Reference numeral 3 denotes a frame for thick formwork, and holes for nailing are made in the upright pieces 3a thereof.

Reference numeral 4 denotes a mounting rod for reinforcing the upright portion, which is installed almost perpendicularly between the separator 2 and the frame 3 for the end frame. In this embodiment, the mounting rod 4 is integrally formed by bending the rear part of the separator 2, but it may be formed separately.

Reference numeral 5 denotes a licorice bar, which protrudes laterally from the long leg portion 1b.

In the lower jiil W1 of the long leg portion 1b, there is a PVC preservation pipe 6.
However, a stopper 7 made of PVC is attached to the lower end of the short leg 1c.

As shown in Fig. 1, the above-mentioned bracket 1 has a long leg part 1b located on the balcony side with a low level difference in the building, a horizontal support part 1a across the beam part, and a short leg part 1b on the indoor slab side with a high level difference. It is arranged so that the leg IC is located therein. Then, the stopper 7 at the lower end of the short leg portion 1C is nailed to the slab formwork 8 and fixed.

The protective tube 6 at the lower end of the long leg part 1b is installed on the balcony formwork 9, and set so that the horizontal receiving part 1a of the receiving metal part 1 is substantially horizontal.

Next, a spacer block 10 is placed on the slab formwork 8, and a lily pad 11 is passed between this and the lily pad support 5 to support the beam upper end reinforcement 12. still,
The beam reinforcing bars are prefabricated reinforcing bars that have been pre-assembled in advance, and before setting the above-mentioned bracket 1, they are dropped into the beam formwork and set at a predetermined height position using the barb 11 as described above. .

Next, the rising part reinforcing bars 13 are attached to the mounting rod 4 for the rising part reinforcement.
Weld and support.

Next, the standing formwork 14 is attached to the separator 2 and fixed by tightening with 7-ohm ties 15.

The upper end of the rising formwork 14 is set to match the upper end surface of the rising portion, and the lower end surface is set to match the balcony surface. Moreover, the thick-cut formwork 16 is set on the thick-cut form frame 3 and nailed thereto. The upper end of the end frame 16 is set so as to match the upper end surface of the rising portion, and the lower end thereof is set so as to match the slab surface.

Further, the upright formwork 14 and the end formwork 16 are connected by nailing them together using a head joint piece 17.

When the formwork has been set in the manner described above, concrete is poured into the slab formwork 8, beam formwork, balcony formwork 9, and the rising portion at the same time and is poured in one piece.

FIG. 3 shows an example in which a semi-PC floor is used for an indoor slab and a balcony. In this embodiment, the step formwork 18 is attached to the separator 2, and the side formwork 19 and the rising reinforcing bars 20 of the rising portion are attached to the stop bars 21.

In this embodiment, the beam reinforcement 12 is directly tied to the horizontal receiving portion 1a of the receiving metal 1.

Effects of the invention (1) A highly precisely formed metal receiving object can be accurately set on a slab formwork, balcony formwork, or semi-PC board, so that rising formwork and stepped formwork can be set with high precision. be able to.

(2) The slab, rising section, balcony, etc. are cast at the same time, and the beams can also be cast through, so there are no joints and no worries about water leakage.

(3) Installation by carpenters is easy.

(4) Since the beam reinforcement can be used as a force receiver, the beam reinforcement can be placed in the correct position.

(5) The upper part of the rising formwork can be used as a passage during concrete pouring.

[Brief explanation of the drawing]

Fig. 1 is a perspective view illustrating an embodiment of the method of the present invention;
The figure is a perspective view of a receiving metal used in the method of the present invention, FIG. 3 is a perspective view illustrating another embodiment, and FIG. 4 is a cross-sectional view of a building frame with a raised part and a step between the inside of the building and the balcony. FIG. 5 is a sectional view illustrating a conventional method. DESCRIPTION OF SYMBOLS 1... Receptacle, 1a... Horizontal receiving part, 1b... Long leg part, 1c... Short leg part, 2... Separator, 3...
- Receiver for thick formwork, 3a... Standing piece, 4... Mounting rod for rising section reinforcement, 5... Kanzashiri bar receiver, 6... Protective pipe, 7... Stopper, 8 ... Slab formwork, 9... Balcony formwork, 10... Spacer block, 11.
... Kanzashi reinforcement, 12 ... Beam top end reinforcement, 13 ... Rising part reinforcing bar, 14 ... Rising formwork, 15 ... 7 ohm tie, 16 ... Thick formwork, 17 ... Head Joint crosspiece, 1
8... Step formwork, 19... Side formwork of rising part, 20
...Standing reinforcing bar, 21...Stopping bar.

Claims (1)

[Claims] The receiving part, which is bent into a substantially U-shape to form a horizontal receiving part, a long leg part, and a short leg part, is passed over a stepped floor so that the lower end of the long leg part is installed on the lower floor side, and the short leg part is placed on the lower end of the long leg part. The lower end of the horizontal support part is installed on the raised floor side, and a rising formwork or step formwork is attached to the separator projecting horizontally at the end of the long leg part of the horizontal support part, and the rising formwork is attached to the horizontal support part. An integrated concrete pouring method for stepped floors and rising parts of a building frame, characterized by placing concrete in both floors and rising parts at the same time.