JPS63142158A - Method for injecting repairing chemical liquid in wall surface part of concrete building - Google Patents

Abstract

(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

[Detailed Description of the Invention] Industrial Field of Application: The present invention aims to reduce the g! , 4 parts residual g! The present invention relates to a method of attaching a liquid to a chemical liquid injection part so that the air can be easily discharged so that the chemical liquid for contact TFL can be injected while smoothly displacing air.

Background and Problems of the Invention - In general, when cracks occur in concrete buildings, walls, ceilings, etc. (hereinafter referred to as walls) and the exterior walls bulge out, the progress of the cracks is prevented and reinforced. Therefore, an adhesive chemical solution is placed behind the crank part or the floating ridge on the lid surface.

For this purpose, in order to live inside from the ffr point of the chemical solution and the wall surface, it is conventional to add 1 @ when the area to be treated is wide, without excessive drilling, and to inject the amount of chemical solution into one place. A drug solution is injected into the cavity using a drug RI injector at an appropriate rate. Therefore, depending on the conditions of the void, etc.
If the air that enters the gap cannot be released to the outside by injection, the chemical solution will not be able to enter the tank due to the remaining space.
Moreover, since the residual air is compressed by the resident 4 liquids, when the injection pressure of the chemical liquid and the compressed gas pressure reach an equilibrium state, it becomes impossible to inject any further d chemical liquid, and this state cannot be seen from the outside. Since this cannot be easily confirmed, work is stopped before the required amount of chemical solution has been injected into the target area, resulting in incomplete repairs. In addition, if this situation occurs, the chemical solution will not be inserted smoothly.
70 minutes work note decreases. However, it is easy to consider making extra holes in advance and expelling residual air from the holes other than the injection part in accordance with the injection VC of the chemical solution. but,
Drilling extra holes in the wall surface will damage the appearance after the work if it is used as a special VC decoration or if it is installed on the wall surface in a special place. It is required to minimize the amount of
A problem has arisen.

14 problems to be solved: In view of the above-mentioned situation, the invention is to use the stopper as it is to store the chemical liquid press-in device buried in the hole where the chemical liquid is to be injected. Injection (without having to drill an exhaust hole in a place other than the place where the exhaust hole is located), the gas inside the outside can be discharged from around the embedded plug without damaging the appearance of the wall after repair. To provide a method for injecting a chemical liquid into a wall surface repair part in which the chemical liquid injection work can be carried out smoothly.

Means for solving the problem: The non-invention is in the work of drilling a chemical solution injection hole at a repair target location on the wall of a concrete building and injecting a 1j tangential 1# chemical solution into the chemical solution injection hole. When automatically press-fitting using a capsule-containing chemical liquid injector that press-fits with thrust applied behind the piston, an exhaust passage communicating with the void inside the wall is installed around the anchor stopper for installation. As much as possible, the residual gas is suppressed and replaced by the injection pressure of the chemical liquid, and is discharged to the outside through the exhaust passage forming part of the anchor plug, so that the injection of the chemical liquid is performed smoothly and effectively.

This chemical liquid presser θ is installed in part 2 by attaching a fin-like locking rig to the outer periphery of the synthetic resin anchor plug.
A large number of stripes extend in the d direction, and a large number of fin-like locking lips are arranged at an appropriate pitch in the circumferential direction on the outer periphery of the anchor plug.
Some have a notch for exhaust flow leading to the shaft direction in a part of each locking ring, some have a spiral exhaust passage formed on the outer periphery and have a locking rig, and some have protrusions on the outer periphery. For example, a large number of pipes are installed and sheath pipes are tied together.
An anchor plug is used that can be locked in a state where the anchor plug is embedded in the protrusion, and furthermore, a passage is formed between the inner periphery of the perforation and the plug body to allow exhaust air to escape. Then, the wall surface of the anchor stopper fC position and the outer periphery of the end of the stopper are covered with a piece of cloth or other material with good air permeability, wrapped around the orange end to prevent the injected chemical solution from spewing out to the outside. Renamed as 1.

In addition, as a 4-liquid self-injector, the medicinal liquid is directly received in the main casing, thrust is applied from behind the piston inserted into the main casing, and a specific pressure injection device is installed at the tip of the main casing. A system in which mulberry leaves are discharged under pressure from a pipe, and the end of this injection pipe is screwed into a threaded hole for mounting provided in the anchor stopper described above has been used for some time. As a means for applying a thrust to the piston of this self-injecting device for chemical liquid, it is possible to use a compression repulsion force of a coil spring, or use a compressed gas. When using a coil spring, there are 4
1 piece that can be folded (as 4, there is an A body that attaches a locking piece to the rear end of the piston and attaches it to the rear end of the casing (there is a structure that can receive and support the reaction force by temporarily locking it). When using this, make sure that the rear chamber of the casing in which the piston is inserted is airtight, and either supply compressed air from the outside to this sealed chamber with a T-pipe, or gradually release the pressurized air into a small portable Ponopée. It is possible to adopt a method that allows the

2. In addition to the above-mentioned type of self-excited chemical injector that directly fills the casing with a chemical, there are
Fill only the chemical liquid into a container that can be freely compressed (especially one that can be compressed and deformed in the direction of the striped line), put it inside the main casing, connect the tip of the container to the injection port (a), and insert it into the back of the chemical liquid container. It may also be of a type in which an injection thrust is applied to the end.

Effect: According to the uninvented method, a required number of chemical injection holes are drilled in the area to be repaired on the wall of the concrete building.
An anchor plug having an exhaust passage on the outer periphery is driven into the hole with a cloth backing wrapped around the rear end circumference, and then, using each anchor plug as a basis, the anchor plug is pre-installed in the anchor plug. The distal end of an automatic chemical liquid press injector having a C-pressing function is screwed into the screw hole. After that/i! r When the IJa pressure groove mechanism of the automatic chemical injector is operated to start injecting the chemical liquid, the force of the chemical liquid is compressed by the suppressing spring force (or thrust by pressure air) built into the injector, It is press-fitted into the cavity of the wall through the anchor plug. Then, the gas remaining in the cavity is replaced by the injected chemical liquid and discharged to the outside from the exhaust passage installed in the nearby anchor building, and the injected chemical liquid from the automatic chemical injector replaces the residual gas. As a result, the gap is quickly filled without being blocked from flowing in. Therefore, the operation of filling the gap with the chemical liquid (v4) is performed quickly, and no hindrance occurs.Furthermore, the chemical liquid that tries to flow out to the outside by becoming 1+ in the gas discharged from around the anchor plug,
Gas can be freely discharged through the gasket attached to the rear end of the anchor plug, preventing liquid leakage, preventing loss of injected chemical liquid, and allowing the intended work to be carried out without staining the wall surface. .

Embodiment: Hereinafter, the present invention will be described in detail with reference to the drawings. Fig. 41 shows an embodiment in which IJJti chemical liquid is injected from multiple locations into one part of the wall float IJ of a conocrete structure.・b
Then, by percussing or visually inspecting the wall surface in advance, detect areas where the exterior wall is exposed. Through this exploration, we can predict the injection of the chemical solution t based on the embossed range of the exterior wall (Yoshitsune) and the situation of the embossment.
Qt - Prepare. In order to attach the automatic chemical liquid press-in device αQ, a required number of holes are drilled in the wall surface (d)' to accommodate the anchor plug (1). 2. The chemical liquid automatic press-in device 4 used in the examples is filled with about 60xl of room temperature curing epoxy resin blue tint per unit, and a coil spring is inserted from behind into the internally installed piston 3 as shown in Fig. 2. Applying four thrusts of u4, the medicine gL is released from the press-fit tube @ at the tip of the casing body (2).
(C1 is press-fitted, and the thrust of this spring α◆ is a threaded portion for attaching a locking piece provided on a part of the piston rond to the outer periphery of the lid αη.

A 7-ton automatic drug injector like this is installed on the wall.
For example, the anchor plug (1) shown in FIG.
(as shown in diagram M4) will be adopted. This anchor stopper (1) is made entirely of synthetic resin (preferably made of Borier material), a tapered pipe container (2),
It consists of a thin-walled gokentsutsu (4) that fits over and combines with this. Of course, this anchor stopper is not limited to this, and a +4 structure as described later may also be used.

This anchor plug (1) has a large number of protrusions (5) protruding from the outer periphery of the sheath tube (4) at appropriate intervals, and has a V-ji and a combination of nine main bodies (
1), a gap (a) is formed between the tip and fS.
It is in a state where ventilation is possible all the way to the edge. Also the main body (1)
The inner diameter of the 4S part is the casing (2
) There is a female thread (3) into which the threaded part a of the tip injection f@ can be screwed.

Such an anchor plug (1) is made by wrapping an appropriate amount of cloth such as a cloth D around the outer periphery of the base of the anchor plug (1) and driving it into the hole (6) into which the chemical solution is to be injected, as shown in the second figure. At this time, the piece of cloth wrapped around the stopper serves as a backing and the protrusion (5)
The plug (1) is fixed by the engagement 2 with the inner wall of the hole (5) and the fixing by filling with the backing. Medical liquid automatic injector t
Anchor stoppers (1) and 4 il of drug/[t-ni] were loaded into IG separately from the driving operation. Once this preparation is complete, injection f1. LaJ) Screw the threaded part onto the female thread (3) to install the chemical liquid presser σQ. After that, the body 1.17 is attached to the locking head attached to the piston rond (to) of the chemical liquid presser 4.
) is released and a thrust of fneα is applied to piston 0.

Self-excited injection of each chemical solution 41. When thrust is applied to the piston/mouth of IQ, the liquid in the casing l has a viscosity of 4, but it flows from the injection port f to the anchor plug (through the inside of υ, and from the perforation to the wall (in the raised gap of Hitoshi). At this time, the gas existing in the gap (b) passes through the part where it is most likely to migrate and moves to the nearby perforation part by entering 4tLJ), and the anchor plug is inserted into the injection hole part at that location. (1) body (2) and sheath m (4
) is discharged to the outside through the gap between the parts 24 and 24 (b), and the residual gas and the chemical liquid are easily replaced, and the chemical liquid is smoothly injected and filled into the part 24 (b). After injecting this chemical solution, the syringe oQ metal is removed, and then the wall surface of the anchor plug (the part that protrudes from the surface is cut off, and the opening is filled with waterproof 18rIJ, etc.) to complete the chemical injection work.

The above is a piston propulsion mechanism using a C coil spring, and a piston propulsion mechanism using a coil spring. A hose from a pressure air supply source is connected to this pressure air supply port, and the piston is actuated by supplying pressure air, and the chemical solution is completely press-fitted.
A locking rig (8) is attached to the outer peripheral surface of the main body (27') as shown in d.
A large number of threads are arranged in the axial direction to form an exhaust passage U&) between the valley retaining lip (6) and the anchor plug (LA). Or, on the outer peripheral surface of the main body (2f8, a number of locking lips (7) are protruded in the circumferential direction at required intervals in the thin wire direction, and this L/)/? ! There is a notch in the middle of r-locking rig (7)! ! !
(7ft set up, this J) gJ person i! ('77-jJ-plug (18) that exhausts air from 7γ to the outside) (@
(See Figure 6), can be used for oyo2 & mokalf. Ir
The basic shape of the main body may be substantially the same as that of the specific example described above. In addition, if the exhaust passage is formed in an arbitrary shape, there will be no echoes of the above.

Effects of the invention: According to the present invention, when injecting the contact 1# curved liquid into the target void, J) attach the chemical liquid press-in 4 with a jig, and at the injection point, the chemical liquid to be press-injected. As a result, the gas remaining in the cavity can be discharged, so that the chemical solution can be injected smoothly, and there is no residual air, making it possible to perform a reliable injection operation.

[Brief explanation of the drawing]

Fig. 1 is a diagram showing the original version of one dog J+ of the method of the present invention, Fig. 2 is a diagram showing the form of the medical solution press-in 4I and the fitted part, and Fig. 3 is a specific example of the anchor plug used for the fence. View, Figure 4 is the 3rd
The four vertical views of the thing shown in the figure, FIGS. 52 and 61A are views showing other specific examples of the anchor stopper. (υ(tA)(tB)...Anchor stopper 12) (2)
'<2f... Anchor stopper body <3)... 4 threaded part (4)... Glass tube (5)... Protrusion
L6) (7)...Locking rig (7f...notch UC)...4fIi, automatic press fitter I
... Canning body @ ... Press fit gd ... Thread at the end of injection pipe (to) ... Piston / - 1 position ... Coil spring - ... Piston rod tlt9 ...
Piston locking piece 0η...Lid Body (5)...Anchor hole for chemical injection work (B)...Wall
(Br...Wall surface (Q...Medical liquid
(a)...1 riverbed (exhaust passage) (b)...Void in the wall Figure C

Claims (1)

[Claims] In the work of drilling a chemical injection hole in the area for repair on the wall of a concrete building and injecting an adhesive chemical through the chemical injection hole, a capsule-containing chemical injection device is used, which presses in with thrust applied behind a piston. When automatically injecting the syringe, an exhaust passage communicating with the cavity inside the wall is secured around the anchor stopper for attachment of the syringe, and residual gas is pressurized and replaced by the injection pressure of the chemical solution, and the anchor A chemical solution injection method for repairing a wall surface of a concrete building, characterized in that the chemical solution is discharged to the outside through an exhaust passage forming part of a plug, and is injected and filled into a cavity within the wall.