CN111764438A - Pipe jacking method prefabricated pipe gallery joint gap waterproof structure and method - Google Patents
Pipe jacking method prefabricated pipe gallery joint gap waterproof structure and method Download PDFInfo
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- CN111764438A CN111764438A CN202010378759.9A CN202010378759A CN111764438A CN 111764438 A CN111764438 A CN 111764438A CN 202010378759 A CN202010378759 A CN 202010378759A CN 111764438 A CN111764438 A CN 111764438A
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D31/00—Protective arrangements for foundations or foundation structures; Ground foundation measures for protecting the soil or the subsoil water, e.g. preventing or counteracting oil pollution
- E02D31/02—Protective arrangements for foundations or foundation structures; Ground foundation measures for protecting the soil or the subsoil water, e.g. preventing or counteracting oil pollution against ground humidity or ground water
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D29/00—Independent underground or underwater structures; Retaining walls
- E02D29/10—Tunnels or galleries specially adapted to house conduits, e.g. oil pipe-lines, sewer pipes ; Making conduits in situ, e.g. of concrete ; Casings, i.e. manhole shafts, access or inspection chambers or coverings of boreholes or narrow wells
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D29/00—Independent underground or underwater structures; Retaining walls
- E02D29/16—Arrangement or construction of joints in foundation structures
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D31/00—Protective arrangements for foundations or foundation structures; Ground foundation measures for protecting the soil or the subsoil water, e.g. preventing or counteracting oil pollution
- E02D31/02—Protective arrangements for foundations or foundation structures; Ground foundation measures for protecting the soil or the subsoil water, e.g. preventing or counteracting oil pollution against ground humidity or ground water
- E02D31/04—Watertight packings for use under hydraulic pressure
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- Life Sciences & Earth Sciences (AREA)
- Mining & Mineral Resources (AREA)
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- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Hydrology & Water Resources (AREA)
- Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Joints With Sleeves (AREA)
Abstract
The invention provides a pipe jacking method prefabricated pipe gallery joint gap waterproof structure, which comprises the following steps: the water stop steel ring is sleeved on the joint of the first pipe joint; the first end of the interface steel lantern ring is sleeved on the joint of the first pipe joint, and the water stopping steel ring is sleeved in the interface steel lantern ring; the water-swelling water stop glue is filled in a gap between the inner side wall of the interface steel sleeve ring and the outer side wall of the joint of the first pipe joint; the water-swelling rubber water stop ring is sleeved on the joint of the second pipe joint; a gasket disposed within the seam between the first pipe section and the second pipe section. The method can be synchronously performed along with the prefabrication of the pipe gallery segments, so that the work efficiency is improved; the accumulated error in the jacking process of the pipe gallery is eliminated, and the structural strength and the shearing resistance are improved; the rainwater permeation path from outside to inside at the joint is prolonged through the tongue-and-groove connection; after the pipe gallery segment is jacked into place, the segment gap grouting plugging is facilitated, the pipe gallery water leakage is effectively prevented, the pipe gallery environment is kept dry, the service life of equipment in the pipe gallery is prolonged, and the maintenance and investment are reduced.
Description
Technical Field
The invention relates to the technical field of civil engineering, in particular to a pipe jacking method prefabricated pipe gallery joint gap waterproof structure and a method.
Background
At present, as the underground of the comprehensive pipe gallery passes through expressways, railways and the like, the construction can not be carried out by adopting the traditional open excavation method, and a pipe gallery prefabricating construction method by adopting a pipe jacking method is needed; in the prior art, the problem that the gaps between the sections of the pipe gallery prefabricated by the pipe jacking method are not sealed well, so that water leakage of the pipe gallery is caused frequently exists.
Under this background, in order to guarantee pipe gallery construction quality better, just must study and improve the prefabricated pipe gallery segment gap shutoff construction of pipe gallery method to improve the poor problem of solution pipe gallery water-proof effects.
Disclosure of Invention
In view of the above, the invention provides a pipe jacking method prefabricated pipe gallery joint gap waterproof structure and a method, and aims to solve the problem of poor waterproof effect at the prefabricated pipe gallery joint gap.
In one aspect, the invention provides a pipe jacking method prefabricated pipe gallery joint gap waterproof structure, which comprises the following steps:
the water stop steel ring is sleeved on the joint of the first pipe joint;
the first end of the interface steel sleeve ring is sleeved on the joint of the first pipe joint and sleeved with the water stop steel ring, the water stop steel ring is connected with the interface steel sleeve ring, and the interface steel sleeve ring is used for enabling the joint of the second pipe joint to be inserted into the second end of the interface steel sleeve ring so as to connect the first pipe joint and the second pipe joint together;
the water-swelling water stop glue is filled in a gap between the inner side wall of the interface steel sleeve ring and the outer side wall of the joint of the first pipe joint;
the water-swelling rubber water stop ring is sleeved on the joint of the second pipe joint, is connected with the inner side wall of the second end of the interface steel sleeve ring, and is used for being tightly contacted with the inner side wall of the second end of the interface steel sleeve ring after the joint of the second pipe joint is inserted into the second end of the interface steel sleeve ring so as to prevent water;
a gasket disposed within a seam between the first pipe section and the second pipe section.
Further, pipe jacking method prefabricated pipe gallery connects gap waterproof construction still includes: and the water-swelling adhesive tape is arranged in the joint between the first pipe joint and the second pipe joint and is connected with the upper end of the gasket.
Further, pipe jacking method prefabricated pipe gallery connects gap waterproof construction still includes: and the polyurethane structural adhesive is arranged in the joint between the first pipe joint and the second pipe joint and is connected with the lower end of the gasket.
Further, the polyurethane structural adhesive is arranged between the outer side wall of the end part of the joint of the first pipe joint and the inner side wall of the water-stop steel ring sleeve.
Further, pipe jacking method prefabricated pipe gallery connects gap waterproof construction still includes: and the waterproof mortar hole is arranged at the end part of the second pipe joint and is used for injecting the polyurethane structural adhesive into the joint between the first pipe joint and the second pipe joint.
Furthermore, be provided with the inclined plane on the lateral wall of meeting water inflation rubber seal ring, the inclined plane sets up and is being close to one side of the interface steel lantern ring, the inclined plane is used for reducing the interface steel lantern ring with resistance when the second tube coupling is pegged graft mutually.
Further, be provided with a plurality of recesses on the lateral wall of meeting water inflation rubber seal side by side, the recess is to keeping away from the direction slope setting on inclined plane.
Furthermore, the middle part of the water-swelling rubber water stop ring is provided with a cavity, and the cavity is used for forming a compression space when the water-swelling rubber water stop ring is in contact with the interface steel sleeve ring so as to enable the water-swelling rubber water stop ring and the interface steel sleeve ring to be in close contact.
Compared with the prior art, the invention has the beneficial effects that the water-stop steel ring, the interface steel sleeve ring, the water-swelling water-stop glue, the water-swelling rubber water stop ring and the gasket are arranged, the water-stop steel ring is matched with the interface steel sleeve ring, so that two adjacent pipe joints are connected in a socket tongue-and-groove mode, the water-proof effect between the two adjacent pipe joints is enhanced by arranging the water-swelling water-stop glue, the water-swelling rubber water stop ring and the gasket, namely the socket tongue-and-groove mode at the joint between the pipe joints of the pipe gallery prefabricated by the pipe jacking method is connected, the steel sleeve ring is adopted at the joint outside one end of the pipe joints to wrap the pipe gallery for a circle, the other end of the pipe joints is meshed with the inner wall of the steel sleeve ring by the water-swelling rubber water stop ring; the inner side of the pipe gallery is connected with the gap by a liner and caulked by polyurethane glue. Above-mentioned prefabricated piping lane festival section stagnant water structure concatenation forms the piping lane, and it uses safe and stable, and is simultaneously effective waterproof, improves the life of piping lane. Meanwhile, the method can be synchronously performed along with the prefabrication of the pipe gallery segments, so that the work efficiency is improved; the invention eliminates the accumulated error in the jacking process of the pipe gallery and improves the structural strength and the shearing resistance; the invention is connected through the tongue-and-groove, so that the rainwater permeation path from outside to inside at the joint is prolonged; after the pipe gallery segments are jacked into place, grouting and plugging at the segment gaps are facilitated, water leakage of the pipe gallery is effectively prevented, the environment of the pipe gallery is kept dry, the service life of equipment in the pipe gallery is prolonged, maintenance is reduced, and investment is saved.
On the other hand, the invention also provides a waterproof method for the joint gap of the pipe gallery prefabricated by the pipe jacking method, which comprises the following steps:
the method comprises the following steps: embedding a water stop steel ring on a joint of a first pipe joint, sleeving an interface steel sleeve ring on the water stop steel ring, connecting the interface steel sleeve ring and the water stop steel ring together, and filling water swelling water stop glue in a gap between the interface steel sleeve ring and the joint of the first pipe joint;
step two: inserting a second pipe joint into the interface steel sleeve ring, and enabling the interface steel sleeve ring to be attached to a water-swelling rubber water stop ring on the joint of the second pipe joint;
step three: arranging a gasket between the first pipe joint and the second pipe joint, and filling a water-swelling adhesive tape at the upper end of the gasket;
step four: and polyurethane glue is filled into the pipe joint gap at the lower end of the gasket through a waterproof grouting hole arranged on the second pipe joint connector.
It can be understood that the waterproof structure and the waterproof method have the same beneficial effects, and are not described in detail herein.
Drawings
Various other advantages and benefits will become apparent to those of ordinary skill in the art upon reading the following detailed description of the preferred embodiments. The drawings are only for purposes of illustrating the preferred embodiments and are not to be construed as limiting the invention. Also, like reference numerals are used to refer to like parts throughout the drawings. In the drawings:
FIG. 1 is a block diagram of a pipe section provided by an embodiment of the present invention;
FIG. 2 is a sectional view taken along line C-C of FIG. 1;
FIG. 3 is an enlarged view of a portion of FIG. 1 at points A and B;
FIG. 4 is a schematic diagram of a connection between two adjacent pipe joints according to an embodiment of the present invention;
fig. 5 is a schematic structural diagram of a water-swellable rubber water stop provided in an embodiment of the present invention.
FIG. 6 is a schematic diagram of the connection between the water-swellable rubber water stop ring and the interface steel collar provided in the embodiment of the present invention;
fig. 7 is a flowchart of a pipe jacking method prefabricated pipe gallery joint gap waterproof method provided by the embodiment of the invention.
Detailed Description
Exemplary embodiments of the present disclosure will be described in more detail below with reference to the accompanying drawings. While exemplary embodiments of the present disclosure are shown in the drawings, it should be understood that the present disclosure may be embodied in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the disclosure to those skilled in the art. It should be noted that the embodiments and features of the embodiments may be combined with each other without conflict. The present invention will be described in detail below with reference to the embodiments with reference to the attached drawings.
Referring to fig. 1, in the embodiment, a pipe gallery joint seam waterproof structure prefabricated by a pipe jacking method is provided, a female end 102 and a male end 101 are respectively arranged on two sides of each pipe joint 100, and two adjacent pipe joints 100 are connected together in a socket joint mode through the female end 102 and the male end 101 which are oppositely arranged, so that a plurality of pipe joints 100 are sequentially connected together in a socket joint mode to form a pipe gallery. Specifically, along the jacking direction of the pipe joint 100, the spigot end 101 of the pipe joint 100 is arranged on the front side of the jacking direction, and the female end 102 of the pipe joint 100 is arranged on the rear side of the jacking direction, that is, the spigot end 101 of the pipe joint 100 is inserted into the female end 102 of the previous pipe joint 100, and then the spigot end 101 of the next pipe joint 100 is inserted into the female end 102 of the pipe joint 100, so that the pipe joints 100 are connected in sequence.
Referring to fig. 2, the pipe joint 100 in this embodiment is a pipe joint 100 with a rectangular structure. It should be noted that the present embodiment is only an exemplary illustration, and the embodiment of the present embodiment is not limited to be applicable only to the pipe joint 100 having the rectangular structure, and the present embodiment may also be applied to the pipe joints 100 having other structures.
Combine fig. 3 to show, this implementation kind of prefabricated piping lane of push bench connects gap waterproof construction sets up one at spigot end 101 of tube coupling 100 and prevents the grout hole 8, and waterproof grout hole 8 sets up in the seam crossing that is close to two tube couplings 100, pours into sealed glue in to tube coupling 100 through preventing grout hole 8 to it is closely knit to fill the seam between two tube couplings 100, prevents the infiltration, improves water-proof effects. A water-swelling rubber water stop ring 4 is arranged on one side, far away from the joint, of the water-proof grout hole 8, the water-swelling rubber water stop ring 4 is in contact with the interface steel lantern ring 2, and a grout pressing hole 9 is arranged on a pipe joint 100 body on one side, far away from the water-proof grout hole 8, of the water-swelling rubber water stop ring 4; the female end 102 of the pipe joint 100 is provided with a water stop steel ring 1 and a connector steel sleeve ring 2, the water stop steel ring 1 is sleeved on the pipe joint 100, the connector steel sleeve ring 2 is sleeved on the water stop steel ring 1, the two are connected, the connector steel sleeve ring 2 is sleeved with the female end 101 of the next pipe joint 100, namely, the female end 101 of the next pipe joint 100 is inserted into the connector steel sleeve ring 2 of the female end 102 of the pipe joint 100, so that the two pipe joints 100 are connected together, and the connector steel sleeve ring 2 is in close contact with the water-swelling rubber water stop ring 4 to prevent water.
Combine fig. 4 to show, the prefabricated piping lane of push bench method joint gap waterproof construction that this embodiment provided includes: the pipe joint comprises a water stop steel ring 1, a connector steel sleeve ring 2, water-swelling water stop glue 3, a water-swelling rubber water stop ring 4 and a gasket 5, wherein the water stop steel ring 1, the connector steel sleeve ring 2, the water-swelling water stop glue 3, the water-swelling rubber water stop ring 4 and the gasket 5 are arranged, the water stop steel ring 1 is matched with the connector steel sleeve ring 2 so that two adjacent pipe joints 100 are connected in a socket tongue-and-groove mode, the water-swelling water stop glue 3, the water-swelling rubber water stop ring 4 and the gasket 5 are arranged to enhance the waterproof effect between the two adjacent pipe joints 100, namely the pipe joint 100 of the pipe gallery prefabricated by the pipe-jacking method is connected with the pipe joint 100 in the socket tongue-and groove mode, the outer side joint of one end of the pipe joint 100 is wrapped around a pipe gallery by a steel sleeve ring, the other end of the pipe joint 100 is meshed together with the water-swelling rubber water stop ring 4 on the inner wall; the inner side of the pipe gallery is connected with the gap by a liner 5 and caulked by polyurethane glue 7. Above-mentioned prefabricated piping lane festival section stagnant water structure concatenation forms the piping lane, and it uses safe and stable, and is simultaneously effective waterproof, improves the life of piping lane.
Continuing to refer to fig. 4, specifically, the water-stopping steel ring 1 is sleeved on the joint of the first pipe joint 11, the water-stopping steel ring 1 is of an annular structure and made of metal, preferably made of steel material, and the cross-sectional shape of the water-stopping steel ring 1 is consistent with that of the joint of the first pipe joint 11, so that the water-stopping steel ring 1 can be effectively sleeved on the joint of the first pipe joint 11, specifically, the water-stopping steel ring 1 is arranged along the circumferential direction of the joint of the first pipe joint 11, and the water-stopping steel ring 1 is firmly connected with the outer side wall of the joint of the first pipe joint 11, preferably, the water-stopping steel ring 1 is arranged on the joint of the first pipe joint 11 in a pre-embedding manner.
Continuing to refer to fig. 4, specifically, the first end of the interface steel sleeve ring 2 is sleeved on the joint of the first pipe joint 11, and the water-stopping steel ring 1 is sleeved therein, the water-stopping steel ring 1 is connected with the interface steel sleeve ring 2, and the interface steel sleeve ring 2 is used for inserting the joint of the second pipe joint 12 into the second end of the interface steel sleeve ring 2, so as to connect the first pipe joint 11 and the second pipe joint 12 together. Specifically, the interface steel lantern ring 2 is an annular structure, the interface steel lantern ring 2 is preferably made of steel materials, the cross-sectional shape of the interface steel lantern ring is the same as that of the first pipe joint 11 and the second pipe joint 12, the first pipe joint 11 and the second pipe joint 12 are connected together by penetrating the joints of the first pipe joint 11 and the second pipe joint 12 into the interface steel lantern ring 2, so that the joints of the first pipe joint 11 and the second pipe joint 12 are connected together, the interface steel lantern ring 2 is arranged at the joints of the first pipe joint 11 and the second pipe joint 12 to cover the joints of the first pipe joint 11 and the second pipe joint 12, water can be prevented from entering the joints, and the waterproof performance is improved.
Continuing to refer to and shown in fig. 4, particularly, meet water inflation stagnant water glue 3 and fill interface steel lantern ring 2's inside wall with in the gap between the joint lateral wall of first tube coupling 11, it can be understood that, after 2 covers of interface steel lantern ring are established on the joint of first tube coupling 11, 2 covers of interface steel lantern ring are established and are had certain gap between the joint of first tube coupling 11, through to the gap intussuseption a certain amount meet water inflation stagnant water glue 3 to it is closely knit to establish the gap between the joint of first tube coupling 11 with 2 covers of interface steel lantern ring, thereby prevents to intake in the gap, improves waterproof performance.
Continuing to refer to fig. 4 and showing, particularly, the gap intumescence stagnant water glue 3 is filled in the gap on both sides of stagnant water steel ring 1 and interface steel lantern ring 2 hookup location to effectual with the space separation of stagnant water steel ring 1 both sides, prevent to intake in the gap between interface steel lantern ring 2 cover and the joint of first tube coupling 11, improve waterproof performance.
Continuing to refer to fig. 4, specifically, the water-swelling rubber water stop ring 4 is sleeved on the joint of the second pipe joint 12, connected to the inner side wall of the second end of the interface steel sleeve ring 2, and used for tightly contacting the inner side wall of the second end of the interface steel sleeve ring 2 after the joint of the second pipe joint 12 is inserted into the second end of the interface steel sleeve ring 2, so as to prevent water. Specifically, meet water inflation rubber sealing ring 4 and be an annular structure, meet the cross-section of water inflation rubber sealing ring 4 and be the wedge, meet the circumference direction setting of water inflation rubber sealing ring 4 along the joint of second tube coupling 12, it has certain elasticity, is connected with second tube coupling 12 through the mode that the cover was established, simultaneously, can also glue through the structure and will meet water inflation rubber sealing ring 4 and second tube coupling 12 and bond together. Meet inseparable laminating of water inflation rubber seal 4 can with the inside wall of interface steel lantern ring 2 and the lateral wall that second tube coupling 12 connects to make the inside wall of interface steel lantern ring 2 and the lateral wall that second tube coupling 12 connects form inclosed space, improve waterproof performance.
With continued reference to fig. 4, specifically, the first groove 13 is disposed on the outer side wall of the joint end of each of the first pipe joint 11 and the second pipe joint 12 for placing the interface steel collar 2. Meanwhile, the water stop steel ring 1 is prefabricated in the first groove 13 of the outer side wall of the joint end part of the first pipe joint 11. The water-swelling rubber water stop ring 4 is sleeved in the second groove 14 of the outer side wall of the joint end of the second pipe joint 12.
With continued reference to fig. 4, specifically, the gasket 5 is disposed within the seam 10 between the first pipe section 11 and the second pipe section 12. The gasket 5 has a rectangular structure, and has certain elasticity, so that the sections of the first pipe joint 11 and the second pipe joint 12 can be attached to each other, and water can be prevented from entering the gap.
Specifically, the liner 5 is preferably a five-ply plywood.
Continuing to refer to fig. 4, specifically, be provided with water-swellable adhesive tape 6 in the seam 10 between first coupling 11 and second coupling 12, water-swellable adhesive tape 6 is connected with the upper end of liner 5, that is, water-swellable adhesive tape 6 sets up in seam 10 between first coupling 11 and second coupling 12 of the upper end of liner 5, and seam 10 of the upper end of liner 5 can be sealed through setting up water-swellable adhesive tape 6, prevents that water from getting into the gap, further improves waterproof performance.
Continuing to refer to fig. 4, specifically, a polyurethane structural adhesive is further disposed in a joint 10 between the first pipe joint 11 and the second pipe joint 12, and the polyurethane structural adhesive is disposed at the lower end of the gasket 5, that is, the polyurethane structural adhesive is disposed in the joint 10 between the first pipe joint 11 and the second pipe joint 12 at the lower end of the gasket 5, and the joint 10 at the lower end of the gasket 5 can be sealed by disposing the polyurethane structural adhesive, so that water is prevented from entering the inner side of the pipe joint 100 through the joint, and the waterproof performance is further improved.
Continuing to refer to fig. 4, specifically, the polyurethane structural adhesive is disposed between the outer side wall of the joint end of the first pipe joint 11 and the inner side wall of the water-stop steel ring 1 sleeve.
With continued reference to fig. 4, specifically, the end of the joint of the second pipe joint 12 is provided with a water-proof grout hole 8, and the water-proof grout hole 8 is used for injecting the polyurethane structural adhesive into the joint 10 between the first pipe joint 11 and the second pipe joint 12. Specifically, the water-pressure-resistant mortar hole 8 is arranged in the vertical direction, the upper end opening of the water-pressure-resistant mortar hole is positioned in the second groove 14 on the outer side wall of the joint end of the second pipe joint 12, and the lower end opening of the water-pressure-resistant mortar hole is positioned in the joint 10 between the first pipe joint 11 and the second pipe joint 12, so that polyurethane structural adhesive is injected into the joint 10. Preferably, the waterproof grouting holes 8 are prefabricated on the second pipe joint 12.
It can be understood that, in the embodiment, the first pipe joint 11 and the second pipe joint 12 are connected by means of socket tongue and groove, two adjacent ends of the first pipe joint 11 and the second pipe joint 12 are respectively provided with the waterproof structure, and similarly, two adjacent ends of the first pipe joint 11 and the second pipe joint 12 are respectively provided with the waterproof structure.
It can be seen that in the embodiment, by arranging the water-stop steel ring 1, the interface steel collar 2, the water-swelling water-stop glue 3, the water-swelling rubber water-stop ring 4 and the gasket 5, the water-stop steel ring 1 is matched with the interface steel collar 2, so that the two adjacent pipe joints 100 are connected in a socket tongue-and-groove mode, and the water-swelling water-stop glue 3, the water-swelling rubber water-stop ring 4 and the gasket 5 are arranged to enhance the waterproof effect between the two adjacent pipe joints 100, namely, the pipe joints 100 of the pipe gallery prefabricated by the pipe jacking method are connected with the pipe joints 100 in a socket tongue-and-groove mode, the outer side interface at one end of each pipe joint 100 is wrapped by the steel collar for a circle, the other end of each pipe joint 100 is engaged with the water-swelling rubber water-stop ring 4 on the inner wall of the steel; the inner side of the pipe gallery is connected with the gap by a liner 5 and caulked by polyurethane glue 7. Above-mentioned prefabricated piping lane festival section stagnant water structure concatenation forms the piping lane, and it uses safe and stable, and is simultaneously effective waterproof, improves the life of piping lane. Meanwhile, the embodiment can be synchronously performed along with the prefabrication of the pipe gallery sections, so that the work efficiency is improved; the embodiment eliminates the accumulated error in the jacking process of the pipe gallery, and improves the structural strength and the shearing resistance; in the embodiment, the grooves and the tongues are connected, so that the rainwater permeation path from outside to inside at the joint is prolonged; this embodiment is in the back of taking one's place in pipe gallery festival section top, and the section gap department of being convenient for grout shutoff prevents the pipe gallery percolating water more effectively, keeps the pipe gallery environment dry, improves the life of equipment in the pipe gallery, reduces the maintenance, practices thrift the investment.
With reference to fig. 5 and 6, specifically, an inclined surface 41 is disposed on an outer side wall of the water-swellable rubber water stop 4, the inclined surface 41 is disposed at a side close to the interface steel collar 2, and the inclined surface 41 is used for reducing resistance when the interface steel collar 2 is inserted into the second pipe joint 12.
Particularly, be provided with a plurality of joint recesses 42 on the lateral wall of water-swelling rubber sealing washer 4 side by side, joint recess 42 is to keeping away from the direction slope setting on inclined plane 41. The catching groove 42 is a groove of an inverted trapezoidal structure.
Continuing to refer to fig. 5 and fig. 6, the interface steel lantern ring 2 is provided with a plurality of protrusions 21, the protrusions 21 are arranged opposite to the clamping grooves 42, so that the protrusions 21 can be effectively inserted into the clamping grooves 42, the protrusions 21 and the clamping grooves 42 are tightly clamped together, the gaps between the interface steel lantern ring 2 and the pipe joints 100 can be effectively sealed, water is prevented from entering the gaps, and the waterproof performance is improved. Specifically, the protrusion 21 is preferably a protrusion made of rubber, and is bonded to the inner sidewall of the interface steel collar 2 by bonding. It can be understood that after the joint of the second pipe joint 12 is inserted into the interface steel sleeve ring 2, the protrusion 21 and the clamping groove 42 are clamped together, so that the gaps on the two sides of the water-swelling rubber water stop ring 4 are blocked, and water is effectively prevented from entering the gaps.
With continued reference to fig. 5 and 6, specifically, the water-swelling rubber sealing ring 4 is provided with a cavity 43 in the middle, and the cavity 43 is annularly arranged along the circumferential direction of the water-swelling rubber sealing ring 4. The cavity 43 is used for forming a compression space when the water-swelling rubber water stop 4 is in contact with the interface steel collar 2, so that the two are in close contact.
When the concrete implementation, above-mentioned waterproof construction is formed by stagnant water steel ring 1, interface steel lantern ring 2, water swelling stagnant water glue 3, water swelling rubber sealing washer 4, five layers of plywood, water swelling adhesive tape 6, polyurethane glue 7, the combination of waterproof grout hole 8. The main process interface steel lantern ring 2 is fixed through a water stop steel ring 1, so that the interface steel lantern ring 2 is occluded with a water swelling rubber water stop ring 4, the pipe joint 100 and the pipe joint 100 are in butt joint through five layers of plywood, and polyurethane glue 7 is injected into the inner side of a gap 10 of a butt joint seam through a water pressure prevention grout hole 8. Make its prefabricated piping lane of push pipe can be better waterproof in concatenation department, improve the life of piping lane, reduce the later stage maintenance that leaks. Specifically, a medium-hardness plywood is used as the liner 5 between the pipe joints 100 and the pipe joints 100, and the wall plate joints of the pipe joints 100 are connected in a socket tongue-and-groove mode. Before the interface is inserted, a layer of silicone oil is uniformly coated on the inclined plane 41 of the water stop ring and the inclined opening of the steel sleeve ring.
Referring to fig. 7, in another preferred implementation based on the foregoing embodiment, in this implementation, there is provided a pipe jacking method for preventing water from entering a joint gap of a prefabricated pipe gallery, including:
step one, S101: pre-burying a water stop steel ring 1 on a joint of a first pipe joint 11, sleeving a connector steel sleeve ring 2 on the water stop steel ring 1, connecting the connector steel sleeve ring and the water stop steel ring 1 together, and filling water swelling water stop glue 3 in a gap between the connector steel sleeve ring 2 and the joint of the first pipe joint 11;
step two S102: inserting the second pipe joint 12 into the interface steel lantern ring 2, and enabling the interface steel lantern ring 2 to be attached to the water-swelling rubber water stop ring 4 on the joint of the second pipe joint 12;
step three, S103: a gasket 5 is arranged between the first pipe joint 11 and the second pipe joint 12, and the upper end of the gasket 5 is filled with a water-swelling adhesive tape 6;
step four S104: polyurethane cement 7 is filled into the gap of the pipe joint 100 at the lower end of the gasket 5 through a waterproof mortar hole 8 provided at the joint of the second pipe joint 12.
Specifically, the method in this embodiment is implemented by using the waterproof structure in the above embodiment, the joint steel sleeve ring 2 is fixed by pre-embedding the water stop steel ring 1 on the pipe joint 100, and the water-swelling water stop glue 3 is filled in the gap between the water stop steel ring 1 and the joint steel sleeve ring 2; the interface steel lantern ring 2 is occluded with the water-swelling rubber water stop ring 4; five-layer plywood is used as a liner 5 between the pipe joints 100 and the pipe joints 100, and water-swelling adhesive tapes 6 are filled on the five-layer plywood; and polyurethane glue 7 is filled in the gap of the pipe joint 100 through the water-proof grout hole 8.
In the embodiment, the water stop steel ring 1, the interface steel sleeve ring 2, the water swelling water stop glue 3, the water swelling rubber water stop ring 4 and the gasket 5 are arranged, the water stop steel ring 1 is matched with the interface steel sleeve ring 2, so that two adjacent pipe joints 100 are connected in a socket tongue-and-groove mode, the water proof effect between the two adjacent pipe joints 100 is enhanced by arranging the water swelling water stop glue 3, the water swelling rubber water stop ring 4 and the gasket 5, namely, the socket tongue-and-groove mode at the connection position between the pipe joints 100 and the pipe joints 100 of the pipe gallery prefabricated by the pipe jacking method is connected, the steel sleeve ring is adopted at the joint position outside one end of each pipe joint 100 for wrapping a circle, the water swelling rubber water stop ring 4 is used at the other end of each pipe joint 100 and is meshed with the inner wall of the steel sleeve ring, and the gap is; the inner side of the pipe gallery is connected with the gap by a liner 5 and caulked by polyurethane glue 7. Above-mentioned prefabricated piping lane festival section stagnant water structure concatenation forms the piping lane, and it uses safe and stable, and is simultaneously effective waterproof, improves the life of piping lane.
Meanwhile, the method can be synchronously performed along with the prefabrication of the pipe gallery segments, so that the work efficiency is improved; the invention eliminates the accumulated error in the jacking process of the pipe gallery and improves the structural strength and the shearing resistance; the invention is connected through the tongue-and-groove, so that the rainwater permeation path from outside to inside at the joint is prolonged; after the pipe gallery segments are jacked into place, grouting and plugging at the segment gaps are facilitated, water leakage of the pipe gallery is effectively prevented, the environment of the pipe gallery is kept dry, the service life of equipment in the pipe gallery is prolonged, maintenance is reduced, and investment is saved.
It will be apparent to those skilled in the art that various changes and modifications may be made in the present invention without departing from the spirit and scope of the invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include such modifications and variations.
Claims (9)
1. The utility model provides a prefabricated piping lane of push pipe method connects gap waterproof construction which characterized in that includes:
the water stop steel ring is sleeved on the joint of the first pipe joint;
the first end of the interface steel sleeve ring is sleeved on the joint of the first pipe joint and sleeved with the water stop steel ring, the water stop steel ring is connected with the interface steel sleeve ring, and the interface steel sleeve ring is used for enabling the joint of the second pipe joint to be inserted into the second end of the interface steel sleeve ring so as to connect the first pipe joint and the second pipe joint together;
the water-swelling water stop glue is filled in a gap between the inner side wall of the interface steel sleeve ring and the outer side wall of the joint of the first pipe joint;
the water-swelling rubber water stop ring is sleeved on the joint of the second pipe joint, is connected with the inner side wall of the second end of the interface steel sleeve ring, and is used for being tightly contacted with the inner side wall of the second end of the interface steel sleeve ring after the joint of the second pipe joint is inserted into the second end of the interface steel sleeve ring so as to prevent water;
a gasket disposed within a seam between the first pipe section and the second pipe section.
2. The pipe jacking method prefabricated pipe gallery joint gap waterproof structure of claim 1, further comprising:
and the water-swelling adhesive tape is arranged in the joint between the first pipe joint and the second pipe joint and is connected with the upper end of the gasket.
3. The pipe jacking method prefabricated pipe gallery joint gap waterproof structure of claim 2, further comprising:
and the polyurethane structural adhesive is arranged in the joint between the first pipe joint and the second pipe joint and is connected with the lower end of the gasket.
4. The pipe jacking method prefabricated pipe gallery joint gap waterproof structure according to claim 3, wherein the polyurethane structural adhesive is arranged between the outer side wall of the joint end part of the first pipe joint and the inner side wall of the water-stop steel ring sleeve.
5. The pipe jacking method prefabricated pipe gallery joint gap waterproof structure of claim 3, further comprising:
and the waterproof mortar hole is arranged at the end part of the second pipe joint and is used for injecting the polyurethane structural adhesive into the joint between the first pipe joint and the second pipe joint.
6. The pipe jacking method prefabricated pipe gallery joint gap waterproof structure according to claim 1, wherein an inclined surface is arranged on the outer side wall of the water-swelling rubber water stop ring, the inclined surface is arranged on one side close to the interface steel sleeve ring, and the inclined surface is used for reducing resistance when the interface steel sleeve ring is spliced with the second pipe joint.
7. The pipe jacking method prefabricated pipe gallery joint gap waterproof structure as claimed in claim 6, wherein a plurality of grooves are arranged side by side on the outer side wall of the water-swelling rubber water stop ring, and the grooves are obliquely arranged in a direction away from the inclined plane.
8. The pipe jacking method prefabricated pipe gallery joint gap waterproof structure according to claim 7, wherein a cavity is arranged in the middle of the water-swelling rubber water stop ring, and the cavity is used for forming a compression space when the water-swelling rubber water stop ring is in contact with the interface steel collar so that the water-swelling rubber water stop ring and the interface steel collar are in close contact.
9. The waterproof method for the joint gap of the pipe gallery prefabricated by the pipe jacking method is characterized by comprising the following steps of:
the method comprises the following steps: embedding a water stop steel ring on a joint of a first pipe joint, sleeving an interface steel sleeve ring on the water stop steel ring, connecting the interface steel sleeve ring and the water stop steel ring together, and filling water swelling water stop glue in a gap between the interface steel sleeve ring and the joint of the first pipe joint;
step two: inserting a second pipe joint into the interface steel sleeve ring, and enabling the interface steel sleeve ring to be attached to a water-swelling rubber water stop ring on the joint of the second pipe joint;
step three: arranging a gasket between the first pipe joint and the second pipe joint, and filling a water-swelling adhesive tape at the upper end of the gasket;
step four: and polyurethane glue is filled into the pipe joint gap at the lower end of the gasket through a waterproof grouting hole arranged on the second pipe joint connector.
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