CN209989841U - Underground pipe gallery - Google Patents
Underground pipe gallery Download PDFInfo
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- CN209989841U CN209989841U CN201920720390.8U CN201920720390U CN209989841U CN 209989841 U CN209989841 U CN 209989841U CN 201920720390 U CN201920720390 U CN 201920720390U CN 209989841 U CN209989841 U CN 209989841U
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- pipe gallery
- piece
- pipe
- segment
- piping lane
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Abstract
The utility model discloses an underground pipe gallery for U type shield constructs the method construction, a plurality of pipeline sections that form including the concatenation, every pipeline section is including the piping lane upper segment and the piping lane lower segment that are prefabricated component, and the piece joint interface of butt joint about the piping lane upper segment and the piping lane lower segment is the parallel port, and the piece joint interface between two adjacent pipeline sections is flexible tongue-and-groove, and the piece joint department all pastes the sealed pad of elastic rubber and the sealed pad of water-swelling rubber, all pre-buried hoist and mount drag hook at the bottom of the corridor top of piping lane upper segment and the corridor of piping lane lower segment. The utility model discloses a prefabricate the major structure segmentation, then transport and assemble to the construction site, the section of jurisdiction is connected and is adopted prestressing force stretch-draw to connect, has reduced the material loss, and the wholeness is good, and the connection quality is higher, and the security is good, can press standardized production in the mill, can guarantee component size, quality, does not receive external environment influence, has also reached the requirement of environmental protection simultaneously, has reduced the requirement to the construction site to can effectively shorten construction cycle.
Description
Technical Field
The utility model belongs to the technical field of underground construction, in particular to underground pipe gallery.
Background
The traditional underground pipe gallery is generally constructed by an open cut cast-in-place method, the enclosure structure needs to be constructed in advance before construction, then foundation pit excavation and main structure pouring are carried out, and the method is feasible when the construction site and the construction period can meet the requirements. However, because underground pipe gallery construction sites are located in urban main roads, construction sites are limited, construction period and environmental protection requirements are high, various construction requirements cannot be completely met by a conventional open-cut cast-in-place method, and meanwhile, various quality hidden dangers are easily formed due to the influence of construction environments and human factors of a cast-in-place structure, and the use function of the cast-in-place structure is influenced.
SUMMERY OF THE UTILITY MODEL
To the technical problem who exists among the prior art, the utility model provides an underground pipe gallery especially is used for U type shield to construct the method construction.
In order to solve the technical problem, the utility model discloses a technical scheme is:
the utility model provides an underground pipe gallery for U type shield constructs the method construction, includes a plurality of pipeline sections that the concatenation formed, every pipeline section is including the piping lane upper segment and the piping lane lower segment that are prefabricated component, the piece joint interface of butt joint is the plain end about the pipe lane upper segment and the piping lane lower segment, and the piece joint interface between two adjacent pipeline sections is flexible tongue-and-groove, and piece joint department all pastes the sealed pad of elastic rubber and the sealed pad of water-swelling rubber, all pre-buried hoist and mount drag hook in the corridor bottom of the corridor top of pipe lane upper segment and piping lane lower segment.
As preferred, the pipe gallery upper plate and pipe gallery lower plate all have intermediate bottom to separate the inner space of pipe gallery upper plate or pipe gallery lower plate for comprehensive storehouse and high-pressure storehouse, the equal parallel and level in both sides of intermediate bottom and pipe gallery upper plate or pipe gallery lower plate.
Preferably, rubber water stops are attached to upper and lower tongue-and-groove positions of a pipe body joint of the upper piece of the pipe gallery and the lower piece of the pipe gallery, and PVC pipes are pre-buried between the two layers of the rubber water stops.
Preferably, the water-swellable rubber gasket is embedded in the elastic rubber gasket.
Preferably, prestress connecting holes are reserved in the pipe bodies of the upper piece and the lower piece of the pipe gallery.
Preferably, the height of the upper piece of the pipe gallery is 2450mm, the height of the lower piece of the pipe gallery is 2500mm, and the prefabricated length of a single pipe section is 1800 mm.
Compared with the prior art, the utility model discloses the beneficial effect who has is: the utility model provides an underground pipe gallery open cut cast-in-place method construction in area big, the process is loaded down with trivial details, the time limit for a project, the problem that the quality control degree of difficulty is big, mainly used U type shield constructs the method construction, through prefabricating the major structure segmentation, then transport to the construction place and assemble, the connection of segments of jurisdiction adopts prestressing force stretch-draw connection, the invention not only greatly reduced the material loss, and it is good to have the wholeness through prefabricated pipe gallery structure, connection quality is higher, the security is good, can be according to standardized production in the mill, can guarantee component size, quality, do not influenced by external environment, also reach the requirement of environmental protection simultaneously, because produce in the mill, the requirement of construction place has been greatly reduced, and can effectively shorten construction cycle.
Drawings
Fig. 1 is a schematic cross-sectional structural view of an upper plate of a pipe gallery of an underground pipe gallery according to the present invention;
FIG. 2 is a schematic sectional view taken along line A-A of FIG. 1;
FIG. 3 is a schematic sectional view taken along line B-B of FIG. 1;
fig. 4 is a schematic view of a flexible tongue-and-groove structure (suitable for a top plate of an upper piece of a pipe rack, a bottom plate of a lower piece of the pipe rack, a splicing joint of side walls of the upper piece of the pipe rack and the lower piece of the pipe rack between two adjacent pipe sections) in an underground pipe rack of the present invention;
fig. 5 is a schematic view of a plain seam (a seam of a middle partition plate suitable for an upper plate and a lower plate of a pipe gallery) of an underground pipe gallery according to the present invention;
fig. 6 is a schematic cross-sectional structural view of a pipe gallery lower sheet of an underground pipe gallery of the present invention;
fig. 7 is a schematic structural view of front and rear assembly of an underground pipe gallery of the present invention;
fig. 8 is a schematic structural view of the up-down assembly of the pipe sections of the underground pipe gallery according to the present invention;
fig. 9 is the utility model discloses an adjacent pipeline section concatenation principle sketch of underground pipe gallery.
In the figure, 1. tube section; 11. arranging a pipe gallery; 12. a pipe gallery lower sheet; 13. a middle partition plate; 14. a flexible tongue-and-groove; 15. a connecting hole; 16. grouting holes; 2. an elastic rubber gasket; 3. a water-swellable rubber gasket; 4. hoisting a drag hook; 5. a rubber waterstop; 6, PVC pipes; 7. and (4) a groove.
Detailed Description
In order to make those skilled in the art better understand the technical solution of the present invention, the present invention will be described in detail with reference to the specific embodiments.
The embodiment of the utility model discloses an underground pipe gallery, a plurality of pipeline sections 1 that form including the concatenation, every pipeline section is including the pipe gallery upper segment 11 and the pipe gallery lower segment 12 that are prefabricated component, and the piece joint interface of butt joint about piece 11 and the pipe gallery lower segment 12 on the pipe gallery is the parallel port, and the piece joint interface between two adjacent pipeline sections 1 is flexible tongue-and-groove 14, and piece joint department all pastes the sealed 2 of elastic rubber and the sealed 3 of water-swelling rubber, and water-swelling rubber seals 3 and inlays in the sealed 2 of elastic rubber.
Hoisting hooks 4 are pre-buried at the top of the gallery of the upper piece 11 and the bottom of the gallery of the lower piece 12.
Pipe gallery upper segment 11 and pipe gallery lower segment 12 all have intermediate bottom 13 to separate the inner space of pipe gallery upper segment 11 or pipe gallery lower segment 12 for utility bin and high-pressure storehouse, intermediate bottom 13 and pipe gallery upper segment 11's both sides or the equal parallel and level in both sides of pipe gallery lower segment 12.
The inner wall of the groove joint of the pipe body of the pipe gallery upper piece 11 and the pipe gallery lower piece 12 is adhered with a rubber water stop belt 5, a PVC pipe 6 is pre-embedded between the two layers of rubber water stop belts 5, and grouting is carried out through a grouting hole 16.
Prestressing force connection hole 15 is all reserved on the body of piece 11 and the piece 12 under the piping lane on the piping lane.
The height of the upper piece 11 of the pipe gallery is 2450mm, the height of the lower piece 12 of the pipe gallery is 2500mm, and the prefabricated length of the single-section pipe section 1 is 1800 mm. The interior of the pipe section 1 is divided into a comprehensive bin and a high-pressure bin according to use requirements, the thickness of the outer wall of each pipe section 1 is 450mm, the thickness of the top plate is 450mm, the thickness of the intermediate wall is 300mm, the main structure concrete of the prefabricated pipe gallery is C40 waterproof concrete, the anti-permeability grade is P8, and the amount of water-based permeable inorganic waterproof agents sprayed on the outer sides of the side wall, the bottom plate and the top plate of the prefabricated pipe gallery is 300ml (stock solution) per square meter.
The lower piece 12 of the pipe gallery is longitudinally provided with 4 tensioning holes, the side walls on two sides are vertically provided with 2 tensioning holes, each section of pipe section is connected by prestress tensioning, the upper piece 11 of the pipe gallery with two adjacent pipe sections is the upper piece of the pipe gallery with the upper piece B, the lower piece 12 of the pipe gallery with the lower piece B of the two adjacent pipe sections is the lower piece of the pipe gallery with the lower piece B, and the tensioning sequence of the prefabricated pipe gallery is that the upper piece A and the lower piece A are vertically tensioned to form a whole → the lower piece B and the upper piece A are horizontally tensioned to form a whole → the upper piece B and the upper piece A are horizontally tensioned to form a whole with the lower piece B. The vertical tensioning of the upper section and the lower section adopts bidirectional tensioning, and the symmetrical tensioning is realized by 8 sets of YDCL500/50 feed-through hydraulic jacks; the lower section B, the upper section B and the upper and lower sections A are integrally tensioned by adopting one-way tensioning, the assembled pipe gallery serves as a fixed end, the later assembled pipe gallery serves as a tensioning end, and 4 sets of YDCL500/50 penetrating hydraulic jacks are adopted for synchronous tensioning.
The utility model discloses mainly being suitable for and being under construction at the uncovered shield of U type, the shield constructs the machine and accomplishes 2 times and pushes away thickly, and all top that push away hydro-cylinders of withdrawal pour the thick C20 dry and hard concrete of 20cm, then will assemble the transportation to the job site and assemble through the qualified prefabricated tube coupling of acceptance test, the flow is assembled to the tube coupling: hoisting a lower pipe joint → hoisting an upper pipe joint → prestressed tension connection → prestressed pipe grouting → backfilling outside the pipe gallery → filling sealing paste in the deformation joint.
The prefabricated pipe gallery longitudinal joint adopts a flexible tongue-and-groove, the horizontal joint adopts a flat joint, and the joint is adhered with an elastic rubber sealing gasket which is embedded with a water-swelling rubber sealing gasket and is anchored and tensioned between pipe joints; the pipe joint prestressed tendon adopts phi 32(PSB930) high-strength finish-rolled screw-thread steel, the anchorage device connecting equipment is Q235 steel, the backing plate is Q235B steel, and the efficiency coefficient eta of the anchorage device isANot less than 0.95 and an elongation epsilonuBe greater than or equal to 2%, the prefabricated piping lane of upper and lower section is vertical respectively to be established 4 stretch-draw holes, 2 stretch-draw holes are vertical respectively to be established to both sides side wall, pre-buried phi 50CPVC pipe pore-forming during prefabricated piping lane. And symmetrically tensioning by adopting YDCL500/50 through hydraulic jacks.
The vertical tensioning of the upper section and the lower section adopts bidirectional tensioning, and the symmetrical tensioning is realized by adopting an 8-set through hydraulic jack; the lower section B, the upper section B and the upper and lower sections A are integrally tensioned by adopting one-way tensioning, the assembled pipe gallery serves as a fixed end, the rear assembled pipe gallery serves as a tensioning end, and a 4-sleeve penetrating type hydraulic jack is adopted for synchronous tensioning. And (3) finishing the pore grouting according to the sequence of the lower layer to the upper layer within 48 hours after tensioning is finished, mixing 42.5 common portland cement into cement paste, wherein the strength of the cement paste is not lower than M30, the water cement ratio is 0.4-0.45, the fluidity is 150-200 mm, the grouting pressure is not lower than 0.6MPa, and ensuring the grouting to be full.
The groove 7 with the depth of 25mm, the inner width of 16mm and the outer width of 12mm is reserved at the joint of the inner side of the prefabricated pipe gallery, and after the pipe gallery is assembled, the groove 7 is embedded with the antimicrobial two-component polysulfide sealant 7.
The utility model discloses an implementation has improved traditional cast-in-place structure construction operation time long, and the numerous and diverse shortcoming of process has practiced thrift the construction site greatly when having guaranteed concrete maintenance quality, and the environmental protection is pollution-free to can effectively shorten construction cycle, require nervous in urban road time limit for a project, under the narrow and small condition in construction site, its application effect and prospect are more extensive.
The above embodiments are only exemplary embodiments of the present invention, and are not intended to limit the present invention, and the protection scope of the present invention is defined by the claims. Various modifications and equivalents of the invention can be made by those skilled in the art within the spirit and scope of the invention, and such modifications and equivalents should also be considered as falling within the scope of the invention.
Claims (6)
1. The utility model provides an underground pipe gallery for U type shield constructs the method construction, a plurality of pipeline sections that form including the concatenation, every pipeline section is including the pipe gallery upper segment and the pipe gallery lower segment that are prefabricated component, a serial communication port, the piece joint interface of butt joint about pipe gallery upper segment and pipe gallery lower segment is the parallel port, and the piece joint interface between two adjacent pipeline sections is flexible tongue-and-groove, and the piece joint department all pastes the sealed pad of elastic rubber and the sealed pad of water-swelling rubber, all pre-buried hoist and mount drag hook in the corridor bottom of the corridor top of pipe gallery upper segment and pipe gallery lower segment.
2. The underground pipe gallery according to claim 1, wherein the pipe gallery upper sheet and the pipe gallery lower sheet each have a middle partition to separate the interior space of the pipe gallery upper sheet or the pipe gallery lower sheet into a comprehensive bin and a high pressure bin, the middle partition being flush with both sides of the pipe gallery upper sheet or both sides of the pipe gallery lower sheet.
3. The underground pipe gallery according to claim 1, wherein rubber water stops are attached to upper and lower tongue-and-groove portions of a pipe body joint of the upper piece of the pipe gallery and the lower piece of the pipe gallery, and PVC pipes are pre-buried between the two layers of rubber water stops.
4. A underground pipe gallery according to claim 1, wherein the water-swellable rubber gasket is embedded in an elastomeric rubber gasket.
5. An underground pipe gallery according to claim 1, wherein the pipe body of the upper piece and the lower piece of the pipe gallery are both reserved with prestressed connecting holes.
6. A underground pipe gallery according to claim 1, wherein the height of the upper sheet of the pipe gallery is 2450mm, the height of the lower sheet of the pipe gallery is 2500mm, and the prefabricated length of the single pipe section is 1800 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920720390.8U CN209989841U (en) | 2019-05-20 | 2019-05-20 | Underground pipe gallery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920720390.8U CN209989841U (en) | 2019-05-20 | 2019-05-20 | Underground pipe gallery |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209989841U true CN209989841U (en) | 2020-01-24 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920720390.8U Expired - Fee Related CN209989841U (en) | 2019-05-20 | 2019-05-20 | Underground pipe gallery |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209989841U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113529790A (en) * | 2021-07-26 | 2021-10-22 | 中铁四局集团第五工程有限公司 | Underground driveway prestressed side wall and tensioning construction method thereof |
-
2019
- 2019-05-20 CN CN201920720390.8U patent/CN209989841U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113529790A (en) * | 2021-07-26 | 2021-10-22 | 中铁四局集团第五工程有限公司 | Underground driveway prestressed side wall and tensioning construction method thereof |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200124 Termination date: 20210520 |
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| CF01 | Termination of patent right due to non-payment of annual fee |