CN220667568U - Waterproof reinforcing structure for pipe-jacking pipe joint - Google Patents

Waterproof reinforcing structure for pipe-jacking pipe joint Download PDF

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Publication number
CN220667568U
CN220667568U CN202322317108.0U CN202322317108U CN220667568U CN 220667568 U CN220667568 U CN 220667568U CN 202322317108 U CN202322317108 U CN 202322317108U CN 220667568 U CN220667568 U CN 220667568U
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China
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pipe
waterproof
jacking
pipe section
reinforcement structure
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CN202322317108.0U
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曾树佳
骆毓鑫
万青
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Guangzhou Hengsheng Construction Group Co ltd
Guangzhou Construction Co Ltd
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Guangzhou Hengsheng Construction Group Co ltd
Guangzhou Construction Co Ltd
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    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00Energy generation through renewable energy sources
    • Y02E10/20Hydro energy

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Abstract

The utility model provides a waterproof reinforced structure for pipe section of push pipe, includes the pipe section of push pipe and installs the waterproof reinforced structure on the pipe section of push pipe, the pipe section of push pipe that the push pipe includes a plurality of connects gradually, pipe section of push pipe interface department of push pipe sets up the plywood, be equipped with elastic rubber on the plywood and seal up, waterproof reinforced structure includes waterproof sealant, steel loop, a plurality of group's reinforcing bar, waterproof sealant caulking is in the interface department of pipe section of push pipe, the steel loop is installed on the upper portion and the lower part of pipe section of push pipe interface, and every two sets of reinforcing bars buries the anchor in every pipe section of push pipe interface department, and two sets of reinforcing bars are the cross structure arrangement at every pipe section of push pipe interface. According to the utility model, the elastic rubber sealing gasket and the waterproof sealant are arranged, so that the joint of the pipe section of the pipe is sealed, the waterproof and anti-seepage effects are effectively achieved, and two groups of reinforcing steel bars are arranged at each joint of the pipe section of the pipe, so that the connection strength of the joint of the pipe section of the pipe is enhanced.

Description

Waterproof reinforcing structure for pipe-jacking pipe joint
Technical Field
The utility model relates to the technical field of pipe joints of pipe-jacking tunnels, in particular to a waterproof reinforcing structure for pipe joints of a pipe-jacking tunnel.
Background
The pipe jacking construction is a construction method of underground excavation adopted when a tunnel or an underground pipeline passes through various barriers such as railways, roads, rivers or buildings, and when in construction, a force transmission top iron and a guide rail are used for pressing the pipe into a soil layer by using a hydraulic jack supported on a foundation pit rear seat, and soil on the front surface of the pipe is excavated and carried away. When the first section pipe is completely jacked into the soil layer, the second section pipe is continuously jacked in the rear, so that one section pipe is jacked in, and an interface is made, so that the culvert pipe is built.
The pipe jacking method is mainly used for the construction of underground water inlet pipes, water outlet pipes, gas pipes and telecommunication cable pipes, does not need to excavate a surface layer, can penetrate road railways, river, ground buildings, underground structures, various underground pipelines and the like, and is a non-excavation construction method for laying underground pipelines.
In the underground construction process of the existing pipe-jacking construction technology, in order to prevent groundwater from invading into a pipeline, a rubber water stop ring is usually arranged at a joint of a pipe-jacking pipe joint. Although the waterproof measures are achieved through the rubber water stop ring, when the soil layer penetrated by the jacking pipe is a sand gravel soil layer, the common waterproof measures cannot meet the waterproof requirement, and the joint of the jacking pipe is extremely easy to leak.
The existing pipe jacking is usually connected with the following pipe jacking pipe joint through the previous pipe jacking pipe joint, the joint of the pipe jacking pipe joint is lack of a reinforcing structure, when the pipe jacking pipe penetrates through a soil layer for construction, the pipe jacking is easy to damage, particularly the large-diameter pipe jacking pipe is adopted, the dead weight of the pipe jacking pipe joint is large, uneven gaps between the joint of the pipe jacking pipe joint and the joint is easy to cause, the possibility is increased, the joint of the pipe jacking pipe joint is waterproof, sealing damage is easy to cause during construction, and water leaks in a tunnel.
Disclosure of Invention
In view of the above, the utility model provides a sealing device for sealing the joint of pipe joints of the pipe with elastic rubber gasket and waterproof sealant, effectively playing the role of waterproof and anti-seepage, strengthening the strength of the joint of the pipe with reinforcing steel bars, can prevent the mouth of pipe deformation of push pipe section, through set up waterproof reinforced structures such as plywood, elastic rubber sealing pad, waterproof sealing glue on push pipe section interface, stop secret moisture infiltration push pipe, satisfy the waterproof requirement and the connection reliability requirement of push pipe, can play waterproof prevention of seepage effectively, ensure the waterproof reinforced structures of push pipe jacking construction's security.
The utility model solves the technical problems by the following technical proposal:
the utility model provides a waterproof reinforcement structure for pipe joints of a jacking pipe, which comprises the jacking pipe and a waterproof reinforcement structure arranged on the jacking pipe, wherein the jacking pipe comprises a plurality of pipe joints of the jacking pipe which are connected in sequence, a plywood is arranged at the joint of the pipe joints of the jacking pipe, an elastic rubber sealing gasket is arranged on the plywood, the waterproof reinforcement structure comprises waterproof sealant, a steel ring and a plurality of groups of reinforcement steel bars, the waterproof sealant is embedded at the joint of the pipe joints of the jacking pipe, the steel ring is arranged at the upper part and the lower part of the joint of the pipe joints of the jacking pipe, each two groups of reinforcement steel bars are embedded and anchored at the joint of each pipe joint of the jacking pipe, and the two groups of reinforcement steel bars are arranged in a cross structure at the joint of each pipe joint of the jacking pipe.
As a further improvement of the technical scheme, the waterproof reinforcement structure comprises water-swelling rubber strips, and the water-swelling rubber strips are arranged in the reinforcement steel bars.
As a further improvement of the technical scheme, each group of reinforcing steel bars comprises an inverted L-shaped steel bar and a hook-shaped steel bar, the hook-shaped steel bars are connected with one end of the inverted L-shaped steel bar, and the other end of the inverted L-shaped steel bar is connected with a pipe joint interface of the jacking pipe.
As a further improvement of the technical scheme, the waterproof reinforcement structure comprises an interface steel collar, a surface is formed at the upper end of each pipe section of the pipe, the interface steel collar is arranged on the surface of the pipe section of the pipe, a faucet is further arranged on the surface of the pipe section of the pipe, and the pipe section of the pipe is spliced with the interface steel collar on the surface of the adjacent pipe section of the pipe through the faucet.
As a further improvement of the technical scheme, the waterproof reinforcement structure comprises a water-stop sealing rubber ring, wherein the water-stop sealing rubber ring is nested at a faucet of the pipe-jacking joint and is used for tightly pressing and matching two adjacent pipe-jacking joints.
As a further improvement of the technical scheme, the water-stop sealing rubber ring is neoprene, one side of the water-stop sealing rubber ring is in a slope shape, and the other side adjacent to the water-stop sealing rubber ring is in an arc shape.
As a further improvement of the technical scheme, four grouting pipes are arranged at intervals in the circumferential direction of each pipe jacking ring, and the four grouting pipes radially penetrate through the pipe jacking wall.
As a further improvement of the technical scheme, two lifting holes are formed in each top pipe in the circumferential direction at intervals, and each lifting hole is located in the axial center of the top pipe.
As a further improvement of the technical scheme, a sealing plate is arranged on the side face of each lifting hole, A121 x 8 lifting steel pipes are arranged at the upper end and the lower end of each lifting hole, steel bars are arranged in each lifting hole, and the steel bars are buried in the jacking pipe.
Compared with the prior art, the technical scheme of the utility model has at least the following beneficial effects:
(1) The pipe jacking pipe comprises a plurality of pipe jacking pipe joints which are sequentially connected, a plywood is arranged at the joint of the pipe jacking pipe joints, an elastic rubber sealing gasket is arranged on the plywood, the waterproof reinforcing structure comprises waterproof sealant, a steel ring and a plurality of groups of reinforcing steel bars, the waterproof sealant is embedded at the joint of the pipe jacking pipe joints, the steel ring is arranged at the upper part and the lower part of the joint of the pipe jacking pipe joints, every two groups of reinforcing steel bars are buried and anchored at the joint of each pipe jacking pipe joint, and the two groups of reinforcing steel bars are arranged in a cross structure at the joint of each pipe jacking pipe joint. According to the utility model, the elastic rubber sealing gasket and the waterproof sealant are adopted, so that the joint of the pipe section of the pipe is sealed, the waterproof and anti-seepage effects are effectively achieved, the strength of the joint of the pipe is enhanced by adopting the reinforcing steel bars, the deformation of the pipe orifice of the pipe section of the pipe is prevented, and the safety of jacking construction of the pipe is ensured. According to the utility model, the waterproof reinforcing structures such as the plywood, the elastic rubber gasket, the waterproof sealant and the like are arranged on the pipe joint interface of the jacking pipe, and the elastic rubber gasket and the waterproof sealant are utilized to prevent underground moisture from penetrating into the jacking pipe, so that the waterproof and anti-seepage effects can be effectively achieved, the waterproof requirement when the jacking pipe passes through the sand gravel soil layer is met, and the reliability requirement of jacking pipe connection is met.
(2) The waterproof reinforcement structure comprises the water-swelling rubber strip which is arranged in the reinforcement steel bars. The water-swelling rubber strip can play a role in preventing water from entering the reinforcing steel bar.
The foregoing description is only an overview of the present utility model, and is intended to be implemented in accordance with the teachings of the present utility model, as well as to provide further clarity and understanding of the above and other objects, features and advantages of the present utility model, as described in the following detailed description of the preferred embodiments, taken in conjunction with the accompanying drawings.
Drawings
FIG. 1 is a reinforcement bar diagram of a standard section of a jacking pipe according to the utility model;
FIG. 2 is a vertical reinforcement view of a standard section of the push pipe of the present utility model;
FIG. 3 is a node diagram of section B of FIG. 2 in accordance with the present utility model;
FIG. 4 is a node diagram of portion A of FIG. 2 in accordance with the present utility model;
FIG. 5 is a schematic diagram of the interface of the present utility model where the pipe section of the push pipe is connected to the pipe section of the push pipe;
FIG. 6 is a cross-sectional view of a standard section of the push bench of the present utility model;
FIG. 7 is a node diagram of section C of FIG. 6 in accordance with the present utility model;
FIG. 8 is a schematic structural view of the water stop sealing rubber ring of the utility model.
In the figure: the pipe jacking system comprises a pipe jacking pipe 1, a pipe jacking pipe joint 11, a surface 12, a faucet 13, a grouting pipe 14, a lifting hole 15, a sealing plate 151, a lifting steel pipe 152, steel bars 153, plywood 2, an elastic rubber sealing gasket 21, waterproof sealing glue 3, a steel ring 4, reinforcing steel bars 5, inverted L-shaped steel bars 51, hook-shaped steel bars 52, water-swelling rubber strips 6, a joint steel collar 7, a water sealing rubber ring 8, a water sealing grouting steel pipe 9, a water sealing steel bar 10 and an external force pipe plug 101.
Detailed Description
The present utility model is described in detail below with reference to the accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate the principles of the utility model by way of example, and, together with the description, serve to make apparent other aspects, features and advantages of the utility model. In the drawings to which reference is made, the same or similar components in different drawings are denoted by the same reference numerals.
As shown in fig. 1-8, a first embodiment of the present utility model provides a waterproof reinforcement structure for a pipe section 11 of a pipe, which includes a pipe section 1 of the pipe and a waterproof reinforcement structure installed on the pipe section 1 of the pipe, where the pipe section 1 of the pipe includes a plurality of pipe sections 11 connected in sequence, a plywood 2 is disposed at an interface of the pipe section 11 of the pipe section 1 of the pipe, an elastic rubber gasket 21 is disposed on the plywood 2, the waterproof reinforcement structure includes a waterproof sealant 3, a steel ring 4, and a plurality of groups of reinforcement bars 5, the waterproof sealant 3 is caulked at the interface of the pipe section 11 of the pipe, the steel ring 4 is installed at an upper portion and a lower portion of the interface of the pipe section 11 of the pipe, each two groups of reinforcement bars 5 are buried and anchored at the interface of the pipe section 11 of the pipe, and the two groups of reinforcement bars 5 are disposed in a cross structure at the interface of the pipe section 11 of the pipe. The utility model can seal the joint of the pipe joint 11 of the jacking pipe by adopting the elastic rubber gasket 21 and the waterproof sealant 3, thereby effectively playing a role in waterproof and anti-seepage. In concrete implementation, the waterproof sealant 3 is a double-component polysulfide sealant. Each group of reinforcing steel bars 5 comprises an inverted-L-shaped steel bar 51 and a hook-shaped steel bar 52, the hook-shaped steel bar 52 is connected with one end of the inverted-L-shaped steel bar 51, and the other end of the inverted-L-shaped steel bar 51 is connected with the joint of the pipe section 11.
The waterproof reinforcing structure comprises the water-swelling rubber strips 6, the water-swelling rubber strips 6 are arranged in the reinforcing steel bars 5, a waterproof effect can be achieved by arranging the water-swelling rubber strips 6, and the reinforcing steel bars 5, the water-swelling rubber strips 6 and the joint steel lantern rings 7 are all poured in the pipe-jacking pipe joints 11 by concrete.
The waterproof reinforcement structure comprises interface steel lantern rings 7, a surface 12 is formed at the upper end of each pipe jacking pipe joint 11, the pipe jacking pipe joints 11 are in a step shape, the interface steel lantern rings 7 are arranged on the surface 12 of the pipe jacking pipe joints 11, the surface 12 of the pipe jacking pipe joints 11 is further provided with a faucet 13, and the pipe jacking pipe joints 11 are spliced with the interface steel lantern rings 7 on the surface 12 of the adjacent pipe jacking pipe joints 11 through the faucet 13.
The waterproof reinforcement structure comprises a water-stop sealing rubber ring 8, wherein the water-stop sealing rubber ring 8 is nested at a faucet 13 of a jacking pipe joint 11, and the water-stop sealing rubber ring 8 is used for tightly pressing and matching two adjacent jacking pipe joints 11. The water-stop sealing rubber ring 8 is neoprene, one side of the water-stop sealing rubber ring 8 is in a slope shape, the other side adjacent to the water-stop sealing rubber ring is in an arc shape, the Shore hardness of the neoprene is 45-55 (lRHD), and the joint strength is more than or equal to 10MPa.
The cross section of each jacking pipe 1 is of a circular structure, four grouting pipes 14 are arranged at intervals in the circumferential direction of each jacking pipe 1, and the four grouting pipes 14 radially penetrate through the pipe wall of the jacking pipe 1.
According to the utility model, two lifting holes 15 are circumferentially arranged at intervals in each jacking pipe 1, each lifting hole 15 is positioned at the axial center of the jacking pipe 1, a sealing plate 151 is arranged on the side surface of each lifting hole 15, A121 x 8 lifting steel pipes 152 are arranged above and below each lifting hole 15, each lifting hole 15 is provided with a reinforcing steel bar 153, and the reinforcing steel bars 153 are buried in the jacking pipe 1.
When the embodiment of the utility model is specifically realized, after jacking construction of the pipe joint 11 of the pipe jacking is finished, the water-stop grouting steel pipe 9 is arranged at the joint of the pipe joint 11 of the pipe jacking, the water-stop grouting steel pipe 9 is arranged at the tail end of the pipe joint 11 of the pipe jacking, the water-stop grouting steel pipe 9 adopts DN25 steel pipes, each pipe joint 11 of the pipe jacking is provided with four water-stop grouting steel pipes 9, the water-stop steel bar 10 is arranged in the middle of the water-stop grouting steel pipes 9, the outer diameter of the water-stop steel ring 10 is 100mm, the thickness is 4mm, the water-stop steel bar 10 can be made of 16Mn steel materials or stainless steel materials, and the water-stop steel bar 10 can also be set to be solid square steel. The waterproof reinforcement structure comprises an external force pipe plug 101, wherein a water-stopping grouting steel pipe 9 is fixed on the external force pipe plug 101, a wall is sealed after the water-stopping grouting steel pipe 9 is installed, and the wall is sealed by C20 fine stone concrete.
Compared with the prior art, the technical scheme disclosed by the embodiment has the following beneficial effects:
in the embodiment, the waterproof reinforcing structure disclosed by the utility model has the advantages that the plywood 2 and the elastic rubber sealing pad 21 are arranged on the joint of the pipe section 11 of the pipe, so that the joint of the pipe section 11 of the pipe can be reinforced and waterproof, the waterproof performance of the elastic rubber sealing pad 21 arranged on the joint of the pipe is higher than that of the rubber water-stop ring, the moisture of a soil layer can be prevented from penetrating into the pipe 1, the waterproof and anti-seepage effects can be effectively achieved, the waterproof requirement when the pipe 1 passes through a sand gravel soil layer is met, and the pipe 1 is convenient to penetrate through the sand gravel soil layer for jacking construction. The utility model adopts the reinforcing steel bars 5 to strengthen the strength of the pipe section 11 of the jacking pipe, prevent the deformation of the pipe orifice of the pipe section 11 of the jacking pipe and ensure the jacking construction safety of the jacking pipe 1.
While the foregoing is directed to the preferred embodiments of the present utility model, it will be appreciated by those skilled in the art that changes and modifications may be made without departing from the principles of the utility model, such changes and modifications are also intended to be within the scope of the utility model.

Claims (9)

1. A waterproof reinforced structure for push pipe coupling, its characterized in that: including the top tube and install waterproof reinforced structure on the top tube, the top tube includes the top tube pipe section that a plurality of connects gradually, top tube pipe section interface department of top tube sets up the plywood, be equipped with elastic rubber sealing pad on the plywood, waterproof reinforced structure includes waterproof sealant, steel loop, a plurality of group reinforcing bar, waterproof sealant caulking joint is in the interface department of top tube pipe section, the steel loop is installed in the upper portion and the lower part of top tube pipe section interface, every two sets of reinforcing bar buries the anchor in every top tube pipe section interface department, and two sets of reinforcing bars are the cross structural arrangement in every top tube pipe section interface department.
2. The waterproof reinforcement structure for a pipe-in-pipe joint according to claim 1, wherein: the waterproof reinforcement structure comprises a water-swelling rubber strip, and the water-swelling rubber strip is arranged in the reinforcement steel bar.
3. The waterproof reinforcement structure for a pipe-in-pipe joint according to claim 1, wherein: each group of reinforcing steel bars comprises an inverted L-shaped steel bar and a hook-shaped steel bar, the hook-shaped steel bars are connected with one end of the inverted L-shaped steel bar, and the other end of the inverted L-shaped steel bar is connected with a pipe joint connector of the jacking pipe.
4. The waterproof reinforcement structure for a pipe-in-pipe joint according to claim 1, wherein: the waterproof reinforcement structure comprises an interface steel sleeve ring, a surface is formed at the upper end of each pipe section of the pipe, the interface steel sleeve ring is arranged on the surface of the pipe section of the pipe, and a faucet is further arranged on the surface of the pipe section of the pipe.
5. The waterproof reinforcement structure for a pipe-in-pipe joint according to claim 4, wherein: the waterproof reinforcement structure comprises a water-stop sealing rubber ring which is nested at a faucet of the pipe-jacking pipe joint and is used for tightly pressing and matching two adjacent pipe-jacking pipe joints.
6. The waterproof reinforcement structure for a pipe-in-pipe joint according to claim 5, wherein: the water-stop sealing rubber ring is neoprene, one side of the water-stop sealing rubber ring is in a slope shape, and the other side adjacent to the water-stop sealing rubber ring is in an arc shape.
7. The waterproof reinforcement structure for a pipe-in-pipe joint according to claim 1, wherein: four grouting pipes are arranged at intervals in the circumferential direction of the pipe joint of the pipe jacking, and all the four grouting pipes radially penetrate through the pipe wall of the pipe jacking.
8. The waterproof reinforcement structure for a pipe-in-pipe joint according to claim 1, wherein: two lifting holes are formed in the circumferential direction of the top pipe at intervals, and each lifting hole is located in the axial center of the top pipe.
9. The waterproof reinforcement structure for a pipe-in-pipe joint according to claim 8, wherein: the sealing plate is arranged on the side face of each lifting hole, A121 x 8 lifting steel pipes are arranged at the upper end and the lower end of each lifting hole, steel bars are arranged in each lifting hole, and the steel bars are buried in the jacking pipe.
CN202322317108.0U 2023-08-28 2023-08-28 Waterproof reinforcing structure for pipe-jacking pipe joint Active CN220667568U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202322317108.0U CN220667568U (en) 2023-08-28 2023-08-28 Waterproof reinforcing structure for pipe-jacking pipe joint

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202322317108.0U CN220667568U (en) 2023-08-28 2023-08-28 Waterproof reinforcing structure for pipe-jacking pipe joint

Publications (1)

Publication Number Publication Date
CN220667568U true CN220667568U (en) 2024-03-26

Family

ID=90330595

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202322317108.0U Active CN220667568U (en) 2023-08-28 2023-08-28 Waterproof reinforcing structure for pipe-jacking pipe joint

Country Status (1)

Country Link
CN (1) CN220667568U (en)

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