JP2002167738A - Base isolating water cutoff method for water gate pit mouth circumferential edge and its structure - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a base isolating water cutoff method for water gate pit mount circumferential edge and its structure characterized in directly installing a flap and a tube, or an annular tube, or a rubber ring, or the flap, the rubber ring, and the tube, or the flap and the rubber ring around the water gate pit mouth in starting and reaching of a pipeline and hermetically closing between the pipeline circumferential edge and the water gate pit mouth. SOLUTION: The flap and the tube, or the annular tube, or the rubber ring, or the flap, the rubber ring, and the tube, or the flap and the rubber ring are directly installed around the water gate pit mouth in starting and reaching or the pipeline as expressed from first to fifth embodiments, an elastic filling material is injected into the pipeline circumferential edge inside the tube or the rubber ring 13 so as to hermetically close between the pipeline circumferential edge and the water gate pit mouth.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a seismic isolation method for seismic isolation around a gate entrance, and more particularly, to a flap and a tube, or a ring-shaped tube or a ring-shaped tube at a gate entrance when a pipeline starts and reaches. , Rubber ring, or flap and rubber ring and tube, or flap and rubber ring directly around, sealing the pipeline periphery and the floodgate entrance And its structure.

[0002]

2. Description of the Related Art Conventionally, flexible joints made of rubber or the like have been used between long pipelines in order to cope with ground fluctuations caused by an earthquake or the like and soft ground, but concrete is cast at the pipeline entrance. Has been held.

[0003]

However, in the conventional pipeline holding structure as described above, even if a flexible joint made of rubber or the like is used in order to cope with ground deformation or soft ground caused by an earthquake or the like. If there is a gap between the periphery of the pipeline entrance and the floodgate entrance, there is a high possibility that water will be immersed from this gap to cause a permeation flow. Therefore, no matter how the flexible joint is used between the pipelines, there is a risk that the permeation flow may cause muddy flow around the pipelines, leading to breakage of the embankment.

[0004]

SUMMARY OF THE INVENTION In order to solve the conventional problems as described above, the present inventors have intensively studied a construction method and a structure for completely and elastically sealing the periphery of a pipeline entrance. As a result of the invention, a flap and a tube, or a ring-shaped tube, or a rubber ring, or a flap and a rubber ring and a tube, or a flap and a rubber ring, And the structure of the seismic isolation and stoppage of water at the rim of the sluice gate, wherein the rim of the pipeline and the sluice gate are sealed.

[0005] First, as a first means, a flap and a tube are provided around a gate of a floodgate, and when the pipe is inserted, the flap and the tube are pushed up from an outlet side by an auxiliary pipe to facilitate insertion of the pipe. When the conduit reaches the set position, the auxiliary tube is removed, the flap and the tube are pressed against the periphery of the conduit, and then the elastic filler is injected into the tube via an injection tube, and the periphery of the conduit is removed. It is intended to provide a seismic isolation method for seismic isolation at the periphery of a floodgate, which is characterized by sealing a section and a floodgate.

[0006] As a second means, a ring-shaped tube is fixed directly to the periphery of the gate of the floodgate, and when the pipe reaches a set position, an elastic filler is injected into the tube through an injection pipe, It is intended to provide a seismic isolation water-stopping method and a structure thereof, wherein the tube is pressed against the periphery of a pipeline to seal the periphery of the pipeline and the gate.

[0007] As a third means, a ring-shaped rubber ring is fixed directly to the periphery of the gate of the floodgate, and when the pipe is inserted, the rubber ring is pushed up from the outlet side by an auxiliary pipe to facilitate insertion of the pipe. When the conduit reaches the set position, the auxiliary tube is removed, the rubber ring is pressed against the periphery of the conduit, and then the elastic filler is injected into the periphery of the conduit inside the rubber ring through the injection tube. The present invention provides a seismic isolation waterproofing method and a structure thereof, wherein the periphery of a pipeline and a floodgate are sealed.

[0008] As a fourth means, a flap, a ring-shaped rubber ring and a tube are fixed directly to the periphery of the floodgate.
At the time of insertion of the conduit, the flap is pushed up from the outlet side with an auxiliary pipe to facilitate insertion of the conduit, and when the conduit reaches a set position, the auxiliary pipe is removed, and the flap and the ring-shaped rubber ring are removed. A method of causing a tube to be pressed against the periphery of a pipeline, and then injecting an elastic filler into the tube via an injection pipe to seal the periphery of the pipeline and the gate of the floodgate. And its structure.

As a fifth means, a flap and a ring-shaped rubber ring are fixed directly to the periphery of the gate of the floodgate, and when the pipe is inserted, the flap is pushed up from the outlet side by an auxiliary pipe to facilitate insertion of the pipe, When the pipe reaches the set position, the auxiliary pipe is removed, the flap and the ring-shaped rubber ring are pressed against the pipe circumference, and then the injection pipe is inserted into the pipe circumference at the inside of the rubber ring. It is an object of the present invention to provide a seismic isolation waterproofing method and a structure thereof, characterized by injecting an elastic filler and sealing the periphery of a pipeline and a floodgate.

[0010]

BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a sectional view showing a seismic isolation method of a gate of a water gate according to the present invention; In the drawings, FIG. 1 is a partial perspective view showing a first embodiment of the seismic isolation and stoppage method of the gate entrance of the present invention and its structure, and FIG. 2 is a seismic isolation and stoppage method of the peripheral end of the gate and the present invention. FIG. 3 is a partial longitudinal sectional view showing a first embodiment of the structure, FIG. 3 is a partial longitudinal sectional view showing a first embodiment of the seismic isolation and stoppage method of the sluice pit entrance, and FIG. 4 is a sluice gate of the present invention. FIG. 5 is a partial longitudinal sectional view showing a second embodiment of the seismic isolation water stop method and its structure at the wellhead periphery, and FIG. 5 is a part showing the third embodiment of the seismic isolation water stop method and the structure of the gate entrance of the present invention. FIG. 6 is a vertical sectional view showing the fourth method of the seismic isolation and stoppage method of the gate entrance of the present invention.
FIG. 7 is a partial longitudinal sectional view showing a fifth embodiment of the seismic isolation and stoppage method of the sluice pit peripheral part of the present invention and its structure.

FIGS. 1 to 3 show a first embodiment. In FIG. 1, a flap and a tube provided around a water gate entrance are partially displayed, and a positional relationship with a pipeline 2 is displayed. Have been. The sluice 5 such as the embankment 1 has two sluice posts 51,
The lift door 52 is configured to be able to move up and down in the slit between the pipes 51, and the periphery of the wellhead of the pipeline 2 is conventionally fixed by casting concrete. In the structure, as shown in FIG. 1, a flap and a tube are provided around the gate of the floodgate, and the construction method and the structure will be described below with reference to FIGS.

A flap 3 and a tube 4 are provided around the periphery of the sluice gate 12, and the flap 3 is connected to a hinge 31.
It is configured to be able to swing through. Therefore, when inserting the conduit 2, the flap 3 and the tube 4 are pushed and expanded by the auxiliary pipe 9 using the pressing device (not shown) as shown in FIG. When the pipe 2 reaches the set position, the auxiliary pipe 9 is removed, and the flap 3 and the tube 4 are pressed against the periphery of the pipe 2 as shown in FIG. Then, the elastic filler 11 is injected through the injection pipe 7, and the space between the sluice pit 12, the pipe periphery 10, and the concrete wall 6 is sealed.

The elastic foam material 11 is hardened after being injected in a liquid state, and becomes an elastic foam material 11 having closed cells after curing. Therefore, the space between the sluice gate 12, the pipe periphery 10 and the concrete wall 6 is completely formed. It is a watertight structure that is sealed and seismically isolated because it is an elastic foam material.

Next, a second embodiment will be described with reference to FIG. In the second embodiment, the ring-shaped tube 4 is directly fixed to the periphery of the sluice wellhead 12, and when the pipe 2 reaches the set position, the elastic filler 11 is injected into the tube 4 via the injection pipe 7. It can be characterized in that the tube 4 is injected and pressed against the periphery of the pipeline 2 to seal the periphery 10 of the pipeline and the gate 12 of the floodgate.

Next, a third embodiment will be described with reference to FIG. In the third embodiment, a ring-shaped rubber ring 13 is directly fixed to the periphery of the sluice gate 12, and the rubber ring is attached to the auxiliary pipe 9 (not shown in FIG. 2. The auxiliary pipe 9 has the same configuration as that of the auxiliary pipe 9 shown in FIG. 2) and is pushed up to facilitate insertion of the pipe 2. When the pipe reaches the set position, the auxiliary pipe 9 is removed and the rubber ring 13 is connected to the pipe. And press the rubber ring 13
The elastic filler 11 is injected into the inner peripheral portion 10 of the pipe through the injection pipe 7 so that the outer peripheral portion 10 and the sluice port 12 can be sealed.

Next, a fourth embodiment will be described with reference to FIG. In the fourth embodiment, a ring-shaped tube 4, a rubber ring 13 and a flap 3 are directly fixed to the periphery of the floodgate 12, and the flap 3 is connected to the auxiliary pipe 9 (shown in FIG. Although not shown, the structure is the same as that of the auxiliary pipe 9 shown in FIG.
When the pipe reaches the set position, the auxiliary pipe 9 is removed, the rubber ring 13 is pressed against the circumference of the pipe, and then elastically filled into the tube 4 via the injection pipe 7. By injecting the material 11, the pipe periphery 10 and the floodgate 12 can be sealed.

Next, a fifth embodiment will be described with reference to FIG. In the fifth embodiment, a ring-shaped rubber ring 13 and a flap 3 are directly fixed to the periphery of the sluice gate 12, and when the pipe 2 is inserted, the flap 3 is attached to the auxiliary pipe 9 from the outlet side.
(It is not shown in FIG. 5, but has the same configuration as the auxiliary pipe 9 shown in FIG. 2.) It is easy to insert the pipe 2 by pushing it up, and when the pipe reaches the set position, The pipe 9 is removed, the rubber ring 13 is pressed against the peripheral edge of the pipeline, and then the elastic filler 11 is injected into the peripheral edge 10 of the pipeline inside the rubber ring 13 through the injection pipe 7 to thereby remove the peripheral edge 10 of the pipeline. And the sluice portal 12 can be sealed.

[0018]

The seismic isolation and stoppage method of the rim of the floodgate according to the present invention is as described above. In order to cope with soft ground, the sluice pit, the periphery of the pipeline and the concrete wall are flexibly sealed. It has a structure that can prevent the situation where the river is liquefied and the embankment is destroyed.

[Brief description of the drawings]

FIG. 1 is a partial perspective view showing a first embodiment of a seismic isolation and stoppage method for a rim of a floodgate pit according to the present invention.

FIG. 2 is a partial longitudinal sectional view showing a first embodiment of a seismic isolation and stoppage method of a sluice gate entrance peripheral part of the present invention.

FIG. 3 is a partial longitudinal sectional view showing the first embodiment of the seismic isolation and stoppage method of the sluice pit peripheral part of the present invention.

FIG. 4 is a partial longitudinal sectional view showing a second embodiment of the seismic isolation and waterproofing method of the rim of the gate of the floodgate according to the present invention and its structure.

FIG. 5 is a partial longitudinal sectional view showing a third embodiment of the seismic isolation and waterproofing method of the rim of the gate of the floodgate according to the present invention and its structure.

FIG. 6 is a partial longitudinal sectional view showing a fourth embodiment of the seismic isolation and stoppage method of the sluice gate entrance peripheral part of the present invention.

FIG. 7 is a partial vertical sectional view showing a fifth embodiment of the seismic isolation and stoppage method of a sluice gate rim periphery according to the present invention.

[Explanation of symbols]

 1. Embankment 2. Pipe line 3. Flap 31. Hinge 4. Tube 5. Sluice gate 51. Sluice strut 52. Lifting door 6. Concrete wall 7. Injection tube 8. Pump 9. Auxiliary pipe 10. Pipe periphery 11. Elastic filler 12. Floodgate 13 Rubber ring

Claims (12)

[Claims] 1. A flap and a tube, or a ring-shaped tube, or a rubber ring, or a flap and a rubber ring and a tube, or a flap and a rubber ring are directly connected to a floodgate at the start and arrival of a pipeline. A seismic isolation method for seismic isolation at the periphery of a gate entrance, which is installed around the periphery of the pipeline and seals the periphery of the gate. 2. A flap and a tube are provided around an entrance of a floodgate, and when the pipe is inserted, the flap and the tube are pushed up by an auxiliary pipe from an outlet side to facilitate the insertion of the pipe. When the auxiliary pipe is reached, the auxiliary pipe is removed, the flap and the tube are pressed against the periphery of the pipeline, and then the elastic filler is injected into the tube via an injection pipe, and the periphery of the pipeline and the sluice are opened. The seismic isolation method for seismic isolation of the sluice gate mouth peripheral part according to claim 1, characterized in that it is sealed. 3. A ring-shaped tube is fixed directly to the periphery of a gate of a floodgate, and when a pipe reaches a set position, an elastic filler is injected into the tube via an injection pipe, and the tube is connected to a pipe. 2. The seismic isolation method for a sewer of a floodgate according to claim 1, wherein the circumferential edge of the pipeline and the floodgate are sealed. 4. A ring-shaped rubber ring is fixed directly to the periphery of the gate of a floodgate, and when inserting a pipe, the rubber ring is pushed up from an outlet side by an auxiliary pipe to facilitate insertion of the pipe, and the pipe is set. When the position is reached, the auxiliary pipe is removed, the rubber ring is pressed against the periphery of the pipeline, and then an elastic filler is injected into the periphery of the pipeline inside the rubber ring via an injection pipe, and the periphery of the pipeline is removed. 2. The seismic isolation method for seismic isolation of a sluice gate mouth peripheral part according to claim 1, wherein the part and the sluice gate mouth are sealed. 5. A flap, a ring-shaped rubber ring and a tube are fixed directly to the periphery of a floodgate, and the flap is pushed up from an outlet side by an auxiliary pipe at the time of insertion of the pipe to facilitate insertion of the pipe. When the passage reaches the set position, the auxiliary tube is removed, the flap, the ring-shaped rubber ring and the tube are pressed against the periphery of the tube, and then the tube is filled with an elastic filler material through an injection tube. 2. The seismic isolation and stopping method according to claim 1, wherein the road periphery and the gate are sealed. 6. A flap and a ring-shaped rubber ring are fixed directly to the periphery of the gate of a floodgate, and when the pipe is inserted, the flap is pushed up from an outlet side by an auxiliary pipe so that the pipe can be easily inserted. When the set position is reached, the auxiliary pipe is removed, the flap and the ring-shaped rubber ring are pressed against the peripheral edge of the pipeline, and then the elastic filler is injected through the injection pipe into the peripheral edge of the pipeline inside the rubber ring. 2. The seismic isolation method according to claim 1, wherein the periphery of the pipeline and the gate are sealed. 7. A flap and a tube, or a ring-shaped tube or a rubber ring, or a flap and a rubber ring and a tube, or a flap and a rubber, which are directly provided around a sluice at the start and arrival of a pipeline. A seismic isolation structure for a water stop at a rim of a sluice gate, wherein the periphery of the pipeline and the sluice pit are sealed by a ring. 8. A flap and a tube are provided around the gate of the floodgate, and the flap and the tube are pressed against a peripheral portion of the pipeline reaching the set position, and an elastic filler is injected into the tube. 8. The seismic isolation structure for a waterway around the gate entrance according to claim 7, wherein the periphery of the pipeline and the space between the floodgate are closed. 9. A ring-shaped tube is fixed directly to a gate of a floodgate, and when a pipe reaches a set position, an elastic filler is injected into the tube via an injection pipe so that the tube is formed around the pipe periphery. 8. A seismic isolation structure for a water stop at a rim of a sluice gate according to claim 7, wherein the structure is pressed so that the periphery of the pipeline and the sluice gate are sealed. 10. An elastic filler material is provided directly on a peripheral edge of a pipeline inside a rubber ring in a state where a rubber ring having a ring shape is directly fixed to a sluice gate and the rubber ring is pressed against the peripheral edge of the pipeline. 8. The seismic isolation structure of the sluice-gate entrance periphery according to claim 7, characterized in that the periphery of the pipeline and the sluice-gate are sealed. 11. A flap, a ring-shaped rubber ring, and a tube are directly fixed to a periphery of a floodgate, and the flap, the ring-shaped rubber ring, and the tube are pressed against the periphery of the pipeline,
The seismic isolation structure for a water stop of a floodgate according to claim 7, wherein an elastic filler is injected into the tube via an injection pipe so that a peripheral portion of the pipeline and the floodgate are closed. 12. A flap and a ring-shaped rubber ring are fixed directly to the periphery of a floodgate, and an elastic filler is injected into the circumference of the pipeline inside the rubber ring, so that the circumference of the pipeline and the floodgate are formed. 8. The seismic isolation structure for a water gate entrance periphery according to claim 7, wherein the structure is configured to be sealed.