CN111173033A - Prefabricated pipe gallery structure and pipe jacking method construction method thereof - Google Patents
Prefabricated pipe gallery structure and pipe jacking method construction method thereof Download PDFInfo
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- CN111173033A CN111173033A CN202010101278.3A CN202010101278A CN111173033A CN 111173033 A CN111173033 A CN 111173033A CN 202010101278 A CN202010101278 A CN 202010101278A CN 111173033 A CN111173033 A CN 111173033A
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- E—FIXED CONSTRUCTIONS
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- 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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Abstract
The invention discloses a prefabricated pipe gallery structure and a pipe jacking method construction method thereof, and belongs to the field of municipal engineering. The prefabricated pipe gallery structure comprises a prefabricated pipe joint, wherein bell sockets are connected to two ends of the prefabricated pipe joint and comprise a socket and a bell socket which are respectively arranged at two ends of the prefabricated pipe joint in the length direction; the top and the bottom of the inner side of the prefabricated pipe section are respectively provided with an embedded steel plate along the length direction, a plurality of profile steel stand columns are arranged between the upper embedded steel plate and the lower embedded steel plate at intervals, and two ends of each profile steel stand column are respectively and vertically connected to the embedded steel plates on the upper side and the lower side; and a plurality of supporting arms are respectively arranged on the inner wall of the prefabricated pipe section and the profile steel upright post at intervals along the height direction. The invention overcomes the defect that the construction of the pipe gallery has great influence on urban road traffic in the prior art, and the provided prefabricated pipe joint is convenient to construct by a pipe jacking method, thereby improving the industrialization degree and shortening the construction operation period.
Description
Technical Field
The invention relates to the technical field of municipal engineering, in particular to a prefabricated pipe gallery structure and a pipe jacking method construction method thereof.
Background
The urban comprehensive pipe gallery is an important infrastructure and a 'lifeline' for guaranteeing urban operation. The construction of domestic urban underground comprehensive pipe galleries is mostly carried out by adopting an open cut method, the urban underground comprehensive pipe galleries are constructed by adopting an excavation mode, the urban road traffic and the life of urban residents are influenced, the pressure of removal is required, the construction is influenced by climate, the work amount is large, and the construction time is long. Compared with the traditional excavation construction method, the pipe jacking technology is a non-excavation tunneling type pipeline laying construction technology, is small in damage to road surfaces, small in construction site and low in noise, does not need to be removed or changed in a pipe network, is less affected by weather factors, is short in construction period, and is widely applied to municipal engineering. At present, the pipe gallery engineering adopts a pipe jacking method, so that the application is still less, and a prefabricated pipe gallery structure which is more diversified and more convenient to construct and apply also becomes a target continuously pursued in the industry.
Through retrieval, the Chinese patent application number: 201610405504.0, the name of invention creation is: the application discloses a high-strength urban underground comprehensive pipe gallery, which comprises a top plate, a bottom plate and two side plates, wherein the top plate, the bottom plate and the two side plates are formed by corrugated plates with bulges on the outer side and/or the inner side in an assembled mode to form box-shaped pipe joints, and the box-shaped pipe joints are assembled in the axial direction to form the comprehensive pipe gallery; the box-type pipe joint comprises a top plate, a bottom plate, a side plate, longitudinal beams, vertical columns and a box-type pipe joint, wherein the longitudinal beams are arranged at the edges of the box-type pipe joint, the transverse beams are arranged at the two ends of the top plate and/or the bottom plate along the axial direction of the box-type pipe joint, the vertical columns are arranged at the two ends of the side plate, and the transverse; wherein, the roof is the arch form, and its grain direction of arching is unanimous with piping lane extending direction. This application is equipped with the crossbeam side by side between the adjacent roof along piping lane extending direction, except that piping lane both ends crossbeam, offsets about the horizontal component of roof on the crossbeam, and overall structure bearing capacity is stronger.
Also as in chinese patent application No.: 201811059835.9, the name of invention creation is: the application discloses an integrated prefabricated pipe joint of a comprehensive pipe gallery street-crossing push pipe and a construction method thereof, the integrated prefabricated pipe joint comprises a prefabricated reinforced concrete pipe body, hoisting holes, socket steel rings, interface steel rings and pre-buried hoop steel plates, two hoisting holes which are symmetrically arranged are formed in the outer side face of the prefabricated reinforced concrete pipe body, the socket steel rings and the interface steel rings are respectively installed at the left end and the right end of the prefabricated reinforced concrete pipe body, the inner wall of the prefabricated reinforced concrete pipe body is uniformly provided with the pre-buried hoop steel plates in the length direction, and the pre-buried hoop steel plates are fixedly connected with main ribs on the prefabricated reinforced concrete pipe body through anchoring steel bars. This application will be buried hoop steel sheet in advance before prefabricated tube coupling is pour, on being fixed in the main muscle through the anchor reinforcing bar, pour back and prefabricated reinforced concrete pipe shaft integrated into one piece, after the push pipe tunnel connection is accomplished, with the pre-buried hoop steel sheet welding that sets up on pipeline support and the prefabricated reinforced concrete pipe shaft inner wall, when being convenient for pipeline support installation, guaranteed the integrality of crossing street push pipe inner wall.
The above applications all relate to new designs and applications for porch structures, but there is still room for further optimization in their practice, and the continuous development of this in the industry has never stopped.
Disclosure of Invention
1. Technical problem to be solved by the invention
The invention aims to overcome the defects of large influence and high workload of pipe gallery construction on urban road traffic in the prior art, and provides a prefabricated pipe gallery structure and a pipe jacking method construction method thereof.
2. Technical scheme
In order to achieve the purpose, the technical scheme provided by the invention is as follows:
the invention discloses a prefabricated pipe gallery structure which comprises a prefabricated pipe joint, wherein bell sockets are connected to two ends of the prefabricated pipe joint and comprise a socket and a bell socket which are respectively arranged at two ends of the prefabricated pipe joint in the length direction; the top and the bottom of the inner side of the prefabricated pipe section are respectively provided with an embedded steel plate along the length direction, a plurality of profile steel stand columns are arranged between the upper embedded steel plate and the lower embedded steel plate at intervals, and two ends of each profile steel stand column are respectively and vertically connected to the embedded steel plates on the upper side and the lower side; and a plurality of supporting arms are respectively arranged on the inner wall of the prefabricated pipe section and the profile steel upright post at intervals along the height direction.
Furthermore, a plurality of embedded steel plates are respectively and evenly arranged at intervals at the top and the bottom of the inner side of the prefabricated pipe joint along the length direction, a section steel stand column is connected between two corresponding embedded steel plates from top to bottom, and the surface of each embedded steel plate is flush with the surface of the inner wall of the prefabricated pipe joint.
Furthermore, the length and the width of the profile steel stand columns are not larger than the length and the width of the embedded steel plates connected with the end portions of the profile steel stand columns, and the distance between the adjacent profile steel stand columns is equal to the distance between the adjacent embedded steel plates.
Furthermore, the middle parts of the left side and the right side of the inner wall of the prefabricated pipe section are respectively provided with an embedded groove, the embedded grooves extend and are distributed along the height direction of the inner wall, and supporting arms are connected and arranged in the embedded grooves.
Furthermore, the prefabricated pipe sections are arranged to be annular or rectangular pipe sections, and the embedded grooves are correspondingly arranged to be arc-shaped grooves or rectangular grooves adaptive to the shapes of the pipe sections.
Furthermore, a grouting hole assembly is arranged on the periphery of the end part where the socket is arranged on the prefabricated pipe joint and comprises a grouting pipe extending along the thickness direction of the prefabricated pipe joint, a water stop steel ring is arranged in the middle of the grouting pipe, a check valve is arranged at the end part, extending towards the outer side of the prefabricated pipe joint, of the grouting pipe, and the end part, facing the inner side of the prefabricated pipe joint, of the grouting pipe is sealed through a pipe plug.
Furthermore, the left side and the right side of the lower part of the inner wall of the prefabricated pipe section are symmetrically provided with grounding embedded parts, and the surfaces of the grounding embedded parts are flush with the inner surface of the prefabricated pipe section.
Furthermore, the bottom of the inner side of the prefabricated pipe section is also provided with filling concrete.
Furthermore, hoisting holes are symmetrically arranged on two sides of the outer wall of the prefabricated pipe joint, the hoisting holes on two sides are located on the horizontal central axis of the prefabricated pipe joint, and the surface of the opening end of each hoisting hole is flush with the surface of the outer wall of the prefabricated pipe joint.
The invention relates to a pipe jacking method construction method of a prefabricated pipe gallery structure, which comprises the following construction steps:
s1, manufacturing a prefabricated pipe section: sequentially installing a bell and spigot, an embedded steel plate, an embedded groove, a grounding embedded part, a hoisting hole and a grouting hole assembly according to design positioning, and then performing concrete pouring and maintenance on the prefabricated pipe joints;
s2, mounting the prefabricated pipe joints: hoisting the prefabricated pipe joints to an originating well by using a crane, and sequentially jacking the prefabricated pipe joints for construction by using a pipe jacking machine;
s3, grouting construction: injecting the anti-drag thixotropic slurry through the grouting hole assembly in the jacking construction of the prefabricated pipe joint so as to reduce the jacking force of the jacking pipe, performing pressure grouting on a gap of the outer wall of the pipe through the grouting hole assembly after the jacking pipe is installed in place, and replacing the anti-drag thixotropic slurry;
s4, mounting the section steel upright column: welding the profile steel upright columns on the corresponding embedded steel plates;
s5, filling concrete construction: filling concrete according to the designed elevation for construction;
s6, mounting a supporting arm: and (5) carrying out bracket installation according to the designed position and elevation.
3. Advantageous effects
Compared with the prior art, the technical scheme provided by the invention has the following beneficial effects:
(1) according to the prefabricated pipe gallery structure, the top and the bottom of the inner side of the prefabricated pipe joint are respectively provided with the embedded steel plates along the length direction, the plurality of profile steel stand columns are arranged between the upper embedded steel plate and the lower embedded steel plate at intervals, the inner area of the pipe joint can be divided into a plurality of sections, the design and the supporting space of the inner supporting arm can be adjusted conveniently according to actual use requirements, and the practical application is facilitated.
(2) According to the prefabricated pipe gallery structure, the middle parts of the left side and the right side of the inner wall of the prefabricated pipe joint are respectively provided with the embedded grooves, so that the supporting arms can be conveniently and accurately installed.
(3) According to the prefabricated pipe gallery structure, the grouting hole assemblies are arranged on the periphery of the end part where the socket is located on the prefabricated pipe joint, when the pipe joint is jacked, the anti-drag thixotropic slurry can be injected outside the pipe joint through the grouting pipe to reduce jacking resistance, and after the pipe joint is installed in place, the anti-drag thixotropic slurry can be replaced by performing pressure grouting on a gap outside the pipe through the grouting pipe.
(4) According to the pipe jacking method construction method for the prefabricated pipe gallery structure, disclosed by the invention, construction is carried out through a pipe jacking method, so that the influence of construction on road traffic and the life of urban residents can be reduced, the workload of house removal and pipeline replacement is reduced, the industrialization degree is improved, and the construction operation period is shortened.
Drawings
FIG. 1 is a schematic cross-sectional structure view of an annular prefabricated pipe gallery structure according to the present invention;
FIG. 2 is a schematic cross-sectional structure of a rectangular prefabricated pipe gallery structure according to the present invention;
FIG. 3 is a schematic view of a longitudinal section structure of a prefabricated pipe gallery structure according to the present invention;
fig. 4 is an enlarged schematic structural view of a bell and spigot and grouting hole assembly of the invention.
The reference numerals in the schematic drawings illustrate:
100. prefabricating pipe sections; 101. pre-burying a steel plate; 102. a section steel upright post; 103. a bracket arm; 104. pre-burying a groove; 105. hoisting holes; 106. a grounding embedded part; 107. filling concrete;
110. a bell and spigot joint; 111. a socket; 112. a socket; 120. a grouting hole assembly; 121. a grouting pipe; 122. a water stop steel ring; 123. a check valve; 124. and (5) blocking the pipe.
Detailed Description
For a further understanding of the invention, reference should be made to the following detailed description taken in conjunction with the accompanying drawings.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
The present invention will be further described with reference to the following examples.
Example 1
As shown in fig. 1, the prefabricated pipe gallery structure of the embodiment includes prefabricated pipe joints 100, sockets 110 are connected to two ends of the prefabricated pipe joints 100, specifically, the sockets 110 include sockets 111 and sockets 112 respectively disposed at two ends of the prefabricated pipe joints 100 in the length direction, the sockets 111 and the sockets 112 are preferably steel collars, and the inner diameter of the socket 112 is slightly larger than the outer diameter of the socket 111, so as to facilitate connection and installation between different prefabricated pipe joints 100. In this embodiment, the prefabricated pipe section 100 is a prefabricated reinforced concrete pipe section; the back of the bell socket 110 steel collar is welded with an anchoring steel bar to be connected with the prefabricated pipe joint 100.
In the embodiment, the top and the bottom of the inner side of the prefabricated pipe joint 100 are respectively provided with an embedded steel plate 101 along the length direction, a plurality of section steel upright posts 102 are arranged between the upper embedded steel plate 101 and the lower embedded steel plate 101 at intervals, and two ends of each section steel upright post 102 are respectively and vertically connected to the embedded steel plates 101 on the upper side and the lower side; a plurality of support arms 103 are respectively arranged on the inner wall of the prefabricated pipe joint 100 and the section steel upright post 102 at intervals along the height direction. Wherein the back welding of pre-buried steel sheet 101 has the anchor reinforcing bar to be connected with prefabricated tube coupling 100, and shaped steel stand 102 preferably adopts H shaped steel or I-steel.
As shown in fig. 3, in this embodiment, a plurality of embedded steel plates 101 are respectively and uniformly arranged at intervals along the length direction at the top and the bottom of the inner side of the prefabricated pipe section 100, a section steel upright 102 is connected between two corresponding embedded steel plates 101, and the surface of the embedded steel plate 101 facing the inner side of the prefabricated pipe section 100 is flush with the surface of the inner wall of the prefabricated pipe section 100. The length and width of the section steel upright posts 102 are not greater than the length and width of the embedded steel plates 101 connected with the end portions of the section steel upright posts, the distance between the adjacent section steel upright posts 102 is equal to the distance between the adjacent embedded steel plates 101, the distance here refers to the distance between the centers of adjacent parts, namely, the two end portions of the section steel upright posts 102 are connected to the middle portions of the embedded steel plates 101. The embodiment sets up the pre-buried steel sheet of multiunit 101 and shaped steel stand 102 in prefabricated tube coupling 100, can be with the inside region of tube coupling split into a plurality of intervals, is convenient for adjust inside trailing arm 103 design and support space according to the in-service use demand.
The middle parts of the left side and the right side of the inner wall of the prefabricated pipe joint 100 are respectively provided with an embedded groove 104, the embedded grooves 104 extend and are distributed along the height direction of the inner wall, and the supporting arms 103 are connected and arranged in the embedded grooves 104. As shown in fig. 1, the prefabricated pipe section 100 in this embodiment is an annular pipe section, the embedding slot 104 is correspondingly configured as an arc-shaped slot corresponding to the annular shape, and a surface of the embedding slot 104 facing to the inside of the prefabricated pipe section 100 is flush with the inner wall surface of the prefabricated pipe section 100. The anchor rods welded to the back of the embedded grooves 104 are connected with the prefabricated pipe joints 100. In this embodiment, a pre-buried channel is provided in the prefabricated pipe joint 100, which facilitates accurate installation of the bracket arm 103. The trailing arm 103 should adopt the T shape, installs trailing arm 103 in the embedding slot 104, and its T shape end and embedding slot 104 are towards the surperficial parallel and level of prefabricated tube coupling 100 inboard, installs trailing arm 103 on shaped steel stand 102, and its T shape end and shaped steel stand 102 surface parallel and level, and the equal horizontal installation of trailing arm 103 should adopt the T to tie and be connected with embedding slot 104 and shaped steel stand 102 respectively.
In this embodiment, the bottom of the inner side of the prefabricated pipe section 100 is further provided with filling concrete 107, so that an operator can conveniently install, operate and pass through the prefabricated pipe section. The left side and the right side of the lower part of the inner wall of the prefabricated pipe joint 100 are symmetrically provided with grounding embedded parts 106, and the inner surfaces of the grounding embedded parts 106 are flush with the inner surface of the prefabricated pipe joint 100. The back of the grounding embedded part 106 is preferably welded with an anchoring steel bar to be connected with the grounding steel bar of the prefabricated pipe joint 100.
In this embodiment, hoisting holes 105 are symmetrically arranged on two sides of the outer wall of the prefabricated pipe joint 100, the hoisting holes 105 on two sides are located on the horizontal central axis of the prefabricated pipe joint 100, and the surface of the opening end of each hoisting hole 105 is flush with the surface of the outer wall of the prefabricated pipe joint 100. The hoisting holes 105 are made of seamless steel pipes or square pipes, one ends of the hoisting holes are sealed by welding steel plates, the other ends of the hoisting holes are opened for hoisting, and the hoisting holes 105 are arranged on two sides of the horizontal central axis of the prefabricated pipe joints 100 so as to ensure that the embedded steel plates 101 are positioned right above and below during hoisting.
The prefabricated pipe gallery structure of this embodiment is convenient for construct through the pipe jacking method, can reduce the influence of pipe gallery construction to urban road traffic and town resident's life, reduces the house and removes and change work load with the pipeline removal, improves industrialization degree, shortens construction operation cycle.
Example 2
The prefabricated pipe gallery structure of this embodiment is substantially the same as that of embodiment 1, and further, in this embodiment, four grouting hole assemblies 120 are disposed around the end where the insertion opening 111 is located on the prefabricated pipe joint 100, as shown in fig. 1, four groups of grouting hole assemblies 120 are preferably disposed on each prefabricated pipe joint 100. As shown in fig. 4, the grouting hole assembly 120 includes a grouting pipe 121 extending along the thickness direction of the prefabricated pipe joint 100, the grouting pipe 121 is made of a seamless steel pipe, a water stop steel ring 122 is welded in the middle of the grouting pipe 121, a check valve 123 is arranged at the end of the grouting pipe 121 extending towards the outside of the prefabricated pipe joint 100, and the end of the grouting pipe 121 towards the inside of the prefabricated pipe joint 100 is closed by a pipe plug 124. In the embodiment, the grouting hole assembly 120 is arranged at the joint of the prefabricated pipe joint 100, when the prefabricated pipe joint 100 is jacked, the anti-drag thixotropic slurry can be injected outside the pipe joint through the grouting pipe 121 to reduce jacking resistance, and after the pipe joint is installed in place, the outer hole of the pipe can be subjected to pressure grouting through the grouting pipe 121 to replace the anti-drag thixotropic slurry.
The concrete construction steps of the prefabricated pipe gallery structure of the embodiment are as follows:
s1, manufacturing a prefabricated pipe joint 100: sequentially installing a socket 110, an embedded steel plate 101, an embedded groove 104, a grounding embedded part 106, a hoisting hole 105 and a grouting hole assembly 120 according to design positioning, and then performing concrete pouring and curing on the prefabricated pipe joint 100;
s2, mounting the prefabricated pipe joint 100: hoisting the prefabricated pipe joints 100 to an originating well by using a crane, and sequentially jacking the prefabricated pipe joints 100 for construction by using a pipe jacking machine;
s3, grouting construction: in the jacking construction of the prefabricated pipe joint 100, the anti-drag thixotropic slurry can be injected through the grouting hole assembly 120 so as to reduce the jacking force of the jacking pipe, and after the jacking pipe is installed in place, the pressure grouting is timely carried out on the gap of the outer wall of the pipe through the grouting hole assembly 120, and the anti-drag thixotropic slurry is replaced;
s4, mounting the section steel upright post 102: welding the section steel upright posts 102 on the corresponding embedded steel plates 101;
s5, filling concrete 107 construction: filling concrete 107 according to the designed elevation for construction;
s6, mounting the bracket arm 103: and (5) mounting the bracket arm 103 according to the designed position and the elevation.
Example 3
The prefabricated pipe gallery structure of the present embodiment is basically the same as embodiment 2, except that, as shown in fig. 2, the prefabricated pipe section 100 in the present embodiment is a rectangular pipe section, and the pre-buried groove 104 arranged inside the prefabricated pipe section is a rectangular channel, longitudinally extends along the height direction of the prefabricated pipe section 100, and is provided with a plurality of support arms 103 at intervals.
The present invention and its embodiments have been described above schematically, without limitation, and what is shown in the drawings is only one of the embodiments of the present invention, and the actual structure is not limited thereto. Therefore, if the person skilled in the art receives the teaching, without departing from the spirit of the invention, the person skilled in the art shall not inventively design the similar structural modes and embodiments to the technical solution, but shall fall within the scope of the invention.
Claims (10)
1. The utility model provides a prefabricated piping lane structure which characterized in that: the pipe joint structure comprises a prefabricated pipe joint (100), wherein two ends of the prefabricated pipe joint (100) are connected with bell sockets (110), and each bell socket (110) comprises a socket (111) and a bell mouth (112) which are respectively arranged at two ends of the prefabricated pipe joint (100) in the length direction; the top and the bottom of the inner side of the prefabricated pipe joint (100) are respectively provided with an embedded steel plate (101) along the length direction, a plurality of profile steel stand columns (102) are arranged between the upper embedded steel plate and the lower embedded steel plate (101) at intervals, and two ends of each profile steel stand column (102) are respectively and vertically connected to the upper embedded steel plate and the lower embedded steel plate (101); a plurality of supporting arms (103) are respectively arranged on the inner wall of the prefabricated pipe joint (100) and the section steel upright post (102) at intervals along the height direction.
2. A prefabricated pipe gallery structure according to claim 1, wherein: the top and the bottom of the inner side of the prefabricated pipe joint (100) are respectively provided with a plurality of embedded steel plates (101) at uniform intervals along the length direction, a section steel upright post (102) is connected between two corresponding embedded steel plates (101) from top to bottom, and the surface of each embedded steel plate (101) is flush with the surface of the inner wall of the prefabricated pipe joint (100).
3. A prefabricated pipe gallery structure according to claim 2, wherein: the length and the width of the section steel upright columns (102) are not larger than the length and the width of the embedded steel plates (101) connected with the end parts of the section steel upright columns, and the distance between the adjacent section steel upright columns (102) is equal to the distance between the adjacent embedded steel plates (101).
4. A prefabricated pipe gallery structure according to claim 1, wherein: the middle parts of the left side and the right side of the inner wall of the prefabricated pipe joint (100) are respectively provided with an embedded groove (104), the embedded grooves (104) extend and are distributed along the height direction of the inner wall, and supporting arms (103) are connected and arranged in the embedded grooves (104).
5. A prefabricated pipe gallery structure according to claim 4, wherein: the prefabricated pipe joint (100) is arranged to be an annular or rectangular pipe joint, and the embedded groove (104) is correspondingly arranged to be an arc groove or a rectangular groove adaptive to the shape of the pipe joint.
6. A prefabricated pipe gallery structure according to claim 1, wherein: the end part where the socket (111) is located on the prefabricated pipe joint (100) is provided with grouting hole assemblies (120) all around, the grouting hole assemblies (120) comprise grouting pipes (121) extending along the thickness direction of the prefabricated pipe joint (100), the middle parts of the grouting pipes (121) are provided with water stop steel rings (122), the end parts of the grouting pipes (121) extending towards the outer side of the prefabricated pipe joint (100) are provided with check valves (123), and the end parts of the grouting pipes (121) towards the inner side of the prefabricated pipe joint (100) are sealed through pipe plugs (124).
7. A prefabricated pipe gallery structure according to claim 1, wherein: the left side and the right side of the lower part of the inner wall of the prefabricated pipe joint (100) are symmetrically provided with grounding embedded parts (106), and the surfaces of the grounding embedded parts (106) are flush with the inner surface of the prefabricated pipe joint (100).
8. A prefabricated pipe gallery structure according to claim 1, wherein: and the bottom of the inner side of the prefabricated pipe joint (100) is also provided with filling concrete (107).
9. A prefabricated pipe gallery structure according to claim 1, wherein: hoisting holes (105) are symmetrically arranged on two sides of the outer wall of the prefabricated pipe joint (100), the hoisting holes (105) on the two sides are located on the horizontal central axis of the prefabricated pipe joint (100), and the surface of the opening end of each hoisting hole (105) is flush with the surface of the outer wall of the prefabricated pipe joint (100).
10. A pipe jacking method construction method of a prefabricated pipe gallery structure is characterized by comprising the following steps: the construction steps are as follows:
s1, manufacturing a prefabricated pipe joint (100): sequentially installing a socket (110), an embedded steel plate (101), an embedded groove (104), a grounding embedded part (106), a hoisting hole (105) and a grouting hole component (120) according to design positioning, and then performing concrete pouring and curing on the prefabricated pipe joint (100);
s2, mounting the prefabricated pipe joint (100): hoisting the prefabricated pipe joints (100) to an originating well by using a crane, and sequentially jacking the prefabricated pipe joints (100) by using a pipe jacking machine for construction;
s3, grouting construction: injecting the anti-drag thixotropic slurry into the prefabricated pipe joint (100) through the grouting hole assembly (120) in jacking construction so as to reduce jacking force of a jacking pipe, performing pressure grouting on gaps of the outer wall of the pipe through the grouting hole assembly (120) after the jacking pipe is installed in place, and replacing the anti-drag thixotropic slurry;
s4, installation of the section steel upright post (102): welding the section steel upright posts (102) on the corresponding embedded steel plates (101);
s5, construction of filling concrete (107): filling concrete (107) according to the designed elevation for construction;
s6, mounting a supporting arm (103): and (3) installing the bracket arm (103) according to the designed position and the elevation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010101278.3A CN111173033A (en) | 2020-02-19 | 2020-02-19 | Prefabricated pipe gallery structure and pipe jacking method construction method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010101278.3A CN111173033A (en) | 2020-02-19 | 2020-02-19 | Prefabricated pipe gallery structure and pipe jacking method construction method thereof |
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| CN111173033A true CN111173033A (en) | 2020-05-19 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112855180A (en) * | 2020-12-31 | 2021-05-28 | 苏交科集团股份有限公司 | Comprehensive pipe gallery assembled structure constructed by shield method and construction method thereof |
| CN112900494A (en) * | 2021-03-01 | 2021-06-04 | 核工业井巷建设集团有限公司 | Long-distance pipe jacking construction method for urban underground pipe gallery |
-
2020
- 2020-02-19 CN CN202010101278.3A patent/CN111173033A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112855180A (en) * | 2020-12-31 | 2021-05-28 | 苏交科集团股份有限公司 | Comprehensive pipe gallery assembled structure constructed by shield method and construction method thereof |
| CN112900494A (en) * | 2021-03-01 | 2021-06-04 | 核工业井巷建设集团有限公司 | Long-distance pipe jacking construction method for urban underground pipe gallery |
| CN112900494B (en) * | 2021-03-01 | 2022-03-11 | 核工业井巷建设集团有限公司 | Long-distance pipe jacking construction method for urban underground pipe gallery |
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