JP2002242152A - Wall surface construction method of concrete moulding and its joint wall surface - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a wall surface construction method and its concrete joint wall surface capable of easily and accurately executing the casting of a concrete and the casting control when the concrete is cast to the inside of a form for the corrosion prevention or the reinforcement of a steel pipe or the like to form the joint wall surface. SOLUTION: Forms 3 having notches 4 in part of the upper end face are connected to each other, and the concrete is poured from the notches 4 to form the wall surface.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a concrete molded body which is attached as a concrete formwork to a concrete lining work for corrosion prevention and reinforcement of a covering wall such as a steel pipe sheet pile or a steel sheet pile wall of a quay wall and a seawall. A method of constructing a concrete molded wall in which formwork such as reinforcing retaining walls such as soil and embankment, walls dividing boundaries, and outer walls of buildings are continuously arranged in front of a covering wall, and joining of the concrete molded bodies. Regarding the wall.

[0002]

2. Description of the Related Art Conventionally, when a steel pipe sheet pile on a quay wall and a seawall and a covering wall surface such as a steel sheet pile are protected and reinforced, a metal foam and its reinforcing material are assembled on land, and the steel pipe sheet pile on the quay wall and a seawall as a steel formwork. And attached to the front of a steel sheet pile. In that case, a hole is opened in an appropriate place of the reinforcing material of the steel formwork, and a separator welded and fixed to the steel pipe sheet pile and the steel sheet pile wall in advance and tightened with a nut etc. to fix and fix it When using a precast concrete formwork, etc., drill a mounting hole in the precast concrete formwork and penetrate the separator as in the case of steel formwork. They were installed by inserting them into a sheet pile. As described above, in the conventional form shape, in addition to the method of fixing the form, the method is inefficient and time-consuming, and it is difficult and inefficient to cast concrete on the wall surface which continues for a long distance.

For example, when a mold 3 having a concrete inlet 9 for placing concrete is used as in the conventional example of FIG. 15, only the concrete is injected from the concrete inlet 9. There is a drawback that it is not possible to know the state of concrete placement from the outside of No. 3 and to know the state of concrete filling, and there is a problem that the concrete placement is incomplete.

[0004] As in the conventional example shown in FIG.
A concrete casting hose 14 is lowered through the through hole 15 between the wall surface of the steel sheet pile 1 and the formwork 3 and to the bottom from the through hole 15. When placing between the steel sheet pile 1 and the formwork 3, it is not only troublesome to open a large number of through holes 15 in the superstructure 2, but also depends on the worker's feeling in a state where the inside state is not visible. As a result, inconvenience occurred.

[0005]

DISCLOSURE OF THE INVENTION The present invention relates to a concrete which can improve the efficiency of installation and installation work of a concrete molding, for example, a formwork, panel, block or the like of a precast concrete molding. Provided is a method of wall-forming a molded article and a connecting wall thereof.

[0006]

SUMMARY OF THE INVENTION According to the present invention, when a concrete molded body is joined to the front surface of a covering wall, the concrete molded body provided with a cutout at a part of the upper end face of the concrete molded body is mutually joined. The concrete molding is formed by injecting concrete between the molding and the covering wall from the notch, and the concrete molding is applied to the wall of the covering. From the wall forming method of a concrete molded body, a concrete molded body is connected by providing a gap between the concrete molded bodies, and the concrete is injected from the gap while forming the gap molded body from the lower part to the upper part sequentially. Become. In the connecting wall formed by such a construction method, a concrete formed body provided with a notch in a part of the upper end face is connected and connected between the connecting wall of the concrete formed body and the connected concrete formed body. And a wall provided with a gap panel interposed in the gap.

[0007]

BEST MODE FOR CARRYING OUT THE INVENTION In the present invention, a concrete molded body is, for example, a precast concrete form panel, an outer wall panel of a building, a retaining wall panel, a reinforcing retaining wall construction form panel of cut soil and embankment, and the like. Also means a block-shaped object.

[0008] In the following description, the concrete compact is simply referred to as a mold.

An embodiment of the wall surface construction method of the present invention and the connecting wall surface formed by the method will be described below with reference to the drawings.

FIG. 1 shows an embodiment in which a formwork 3 is continuously installed along the wall surface of a steel sheet pile 1 for corrosion protection and reinforcement of a steel sheet pile 1 on a quay wall or a seawall. FIG. 4 is a front view in which concrete is injected between the mold and a mold to form a connecting wall.

In this embodiment, a plurality of molds 3 are joined to each other at both ends, but notches 4 are provided on both sides of the upper end surface of each mold 3. The notch 4 is an opening for injecting concrete, and an appropriate gap is provided between the lower surface of the superstructure 2 and the upper end surface of the formwork 3 in order to cope with irregularities on the lower surface of the superstructure 2. 7 (hereinafter referred to as upper surface gap).

In the state shown in FIG. 1, concrete is injected from the notch 4 while looking at the state of concrete injection from the notch 4, and after the concrete is injected to the upper end surface of the formwork 3,
In the opening of the notch 4 of the form 3 and the upper gap 7 on the upper end surface of the form 3, an opening with a concrete inlet flange 9 shown in FIGS. 2, 3, 4, 5, and 6 is provided. The formwork 6 and the upper formwork 5 made of flat steel are respectively attached to close the opening of the cutout 4 and the upper gap 7.

At this time, the opening mold 6 is fixed to the mold 3 with bolts and the like, and the upper mold 5 is fixed to the opening mold 6 with bolts and the like via the connecting hardware 8.

With the upper gap 7 and each opening of the notch 4 closed as described above, a concrete casting pipe or the like is attached to the concrete injection flange 9 of the notch 4 and concrete is poured until the upper gap 7 is closed. After the pouring, the work of attaching the closing lid to the concrete pouring flange 9 is repeated for each of the formwork 3 arranged in parallel to form the connecting wall surface.

FIG. 7 shows a connecting wall according to another embodiment of the present invention. When the molds 3 are installed, the molds 3 are arranged side by side with a vertical gap 10 therebetween. , Its vertical gap 1
The concrete is injected while fixing the gap form 11 from bottom to top sequentially from 0 to 0, and the gap form 11 having the concrete inlet flange 9 is fixed at the top, and the concrete is poured to the top end. It is introduced to form a connecting wall.

In this case, various methods can be employed for fixing the gap molds 11 fixed to both ends of each mold 3. For example, as shown in FIG. 8, both ends of each mold 3 are fixed. The insertion fixing groove 16 is provided in the portion, and as shown in FIG. 9 and the enlarged view of FIG. 10, by inserting the gap mold 11 made of a corrosion-resistant plate such as an FRP plate into the insertion fixing groove 16, As shown in FIG. 9, the gap form 11 can resist the pressure P caused by the cast concrete as shown in FIG.

In FIG. 7, the gap form 11 having the concrete inlet flange 9 fixed to the top of the vertical gap 10 needs to be fixed by other means. For example, as shown in FIGS. 11 and 12, Attachment material 19 is attached to the backside of the formwork 3 on the quay side so that the tip of the L-shaped connecting hardware 18 can be hooked. The connecting hardware 18 is composed of two screw bodies A and B, and the two are connected. In the tool 25, each is screwed into the screw inside the connecting tool 25 and integrated.

Accordingly, the connecting hardware 18 in the vertical gap 10
Is inserted into the mounting member 19, and the gap form 11 is fitted to the screw body B of the connecting hardware 18, the gap form 11 is integrated with the form 3 by the nut 20, and then the vertical form is formed. After injecting concrete into the gap and solidifying, nut 2
0, the clearance form 11 is removed, and then the screw body B is unscrewed with the screw on the inner surface of the connecting tool 25 and taken out, and the hole formed after the screw body B is taken out is filled with concrete to complete. .

According to the present invention, as shown in FIG. 1, a part of the upper end face, that is, a formwork 3 provided with cutouts 4 on both sides is arranged in parallel to form a connecting wall, and as shown in FIG. A notch 4 may be provided on one side of the upper end surface of the mold 3.
As described above, the present invention can be similarly applied to the case where the notch portions 4 are provided at the center of the upper end surface of the formwork 3, and the opening formwork 6 having the concrete inlet flange 9 is attached to these notch portions 4 to form the concrete. To form a connecting wall.

[0020]

When the connecting wall surface is formed by applying the above-described wall construction method of the present invention, the notch provided between the molds, the vertical gap, the formwork, etc. It is possible to easily inject concrete into the formwork by the upper surface gap between the upper end surface and the superstructure, and at the same time, it is possible to easily grasp and manage the concrete placing condition, and furthermore, By attaching an opening formwork, a gap formwork, and an upper formwork to each of the gaps, concrete can be easily and appropriately poured into the lower end of the superstructure without gaps inside.

That is, when the connecting wall surface is formed by the formwork in which concrete is poured inside for the purpose of corrosion prevention and reinforcement of the steel pipe sheet pile or the steel sheet pile of the quay wall and the revetment, it is easy to put the concrete and manage the placing. In addition, the work efficiency of concrete placing can be improved, and the work efficiency can be improved.

The present invention is not limited to the work of attaching a concrete panel to a wall whose quay walls and seawalls are made of steel pipe sheet piles and steel sheet piles, installing an outer wall panel of a building, or installing a panel that separates a boundary line. Can efficiently and easily be applied to easy and accurate installation and installation of formwork on retaining walls and reinforced retaining walls that hold cut and embankment locations.

[Brief description of the drawings]

FIG. 1 is a front view of an embodiment in which a connecting wall is formed by a wall construction method of the present invention.

FIG. 2 is a front view of an upper mold forming the connecting wall surface of FIG. 1;

FIG. 3 is a side view in the AA direction of FIG. 2;

FIG. 4 is a front view of the opening formwork attached to the notch of FIG. 1;

FIG. 5 is a front view of a mold to which the upper mold of FIG. 2 and the opening mold of FIG. 4 are attached;

FIG. 6 is a side view of a main part enlarged in a BB direction of FIG. 5;

FIG. 7 is a front view of another embodiment in which connecting wall surfaces are formed by the wall surface construction method of the present invention.

FIG. 8 is a top view showing the molds arranged side by side with a gap shown in FIG. 7;

FIG. 9 is a top view in which a gap form is inserted into the form of FIG. 8;

FIG. 10 is a partially enlarged top view of FIG. 9;

FIG. 11 is a perspective view for explaining a situation in which a hook connecting hardware for fixing a clearance mold or the like is attached to the mold of FIG. 7;

FIG. 12 is a side view of a main part for explaining the mounting situation of FIG.

FIG. 13 is a front view of a connecting wall formed by a mold having a notch different from that of FIG. 1;

FIG. 14 is a front view of a connecting wall surface formed by a mold having a notch different from that of FIG. 13;

FIG. 15 is a front view of a connecting wall made of a conventional mold.

FIG. 16 is a front view of a connecting wall made of another conventional formwork.

[Explanation of symbols]

 3 Concrete molded body (form) 4 Notch 10 gap 11 gap form

Claims (4)

[Claims] When joining concrete bodies to the front surface of a covering wall surface, the concrete bodies having notches provided in a part of an upper end surface of the concrete bodies are joined to each other, and the notches are formed. A method of applying a concrete molding to a wall by injecting concrete between the molding and the covering wall. 2. When joining the concrete moldings to the front surface of the covering wall surface, a gap is provided between the concrete moldings and connected to each other, and the gap moldings are arranged in the gaps from the bottom to the top in order. A concrete wall molding method in which concrete is injected through gaps and formed. 3. A connecting wall surface of a concrete molded body in which a concrete molded body provided with a notch in a part of an upper end surface thereof is connected and arranged. 4. A wall surface provided with a gap between adjacent concrete moldings and a gap panel interposed in the gap.