CN115680097B - Municipal rainwater pipeline construction method - Google Patents
Municipal rainwater pipeline construction method Download PDFInfo
- Publication number
- CN115680097B CN115680097B CN202211455890.6A CN202211455890A CN115680097B CN 115680097 B CN115680097 B CN 115680097B CN 202211455890 A CN202211455890 A CN 202211455890A CN 115680097 B CN115680097 B CN 115680097B
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- Prior art keywords
- bottom support
- support rail
- steel sheet
- base layer
- supporting
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- 238000010276 construction Methods 0.000 title claims abstract description 19
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 55
- 239000010959 steel Substances 0.000 claims abstract description 55
- 239000004567 concrete Substances 0.000 claims abstract description 33
- 239000007787 solid Substances 0.000 claims abstract description 28
- 239000000203 mixture Substances 0.000 claims abstract description 11
- 239000011150 reinforced concrete Substances 0.000 claims abstract description 4
- 238000009434 installation Methods 0.000 claims description 14
- 230000007306 turnover Effects 0.000 claims description 7
- 239000002689 soil Substances 0.000 description 14
- 238000009412 basement excavation Methods 0.000 description 7
- 230000009286 beneficial effect Effects 0.000 description 6
- 230000000694 effects Effects 0.000 description 2
- 239000004744 fabric Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 240000004282 Grewia occidentalis Species 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- FPAFDBFIGPHWGO-UHFFFAOYSA-N dioxosilane;oxomagnesium;hydrate Chemical compound O.[Mg]=O.[Mg]=O.[Mg]=O.O=[Si]=O.O=[Si]=O.O=[Si]=O.O=[Si]=O FPAFDBFIGPHWGO-UHFFFAOYSA-N 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000004062 sedimentation Methods 0.000 description 1
- 238000007711 solidification Methods 0.000 description 1
- 230000008023 solidification Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
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- Y—GENERAL 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/60—Planning or developing urban green infrastructure
Landscapes
- Refuge Islands, Traffic Blockers, Or Guard Fence (AREA)
Abstract
The invention discloses a municipal rainwater pipeline construction method, which comprises the following steps: step 1: digging two parallel positioning grooves according to the width of the groove, and driving steel sheet piles into the positioning grooves; step 2: deep digging by taking two positioning grooves as datum lines to form grooves, and installing solid guardrails of reinforced concrete structures, which are attached to the inner walls of the grooves, wherein the solid guardrails are positioned between two adjacent steel sheet piles, and each two oppositely arranged solid guardrails are supported by a supporting rod; step 3: paving waterproof mixture in the groove, installing a grouting pipe, and pouring a concrete base layer on the waterproof mixture, wherein the concrete base layer avoids the steel sheet piles; step 4: after the concrete base layer is solidified, an expansion screw is driven, the bottom support assembly is installed on the concrete base layer through the expansion screw, the support rod is removed, the pipeline is placed on the bottom support assembly, and after the groove is backfilled, the steel sheet pile is pulled out to level the groove.
Description
Technical Field
The invention relates to the technical field of municipal construction, in particular to a municipal rainwater pipeline construction method.
Background
In municipal engineering water supply and drainage pipeline engineering construction, grooves with different depths and narrow widths are required to be excavated, and the selection of a groove excavation method is closely related to the excavation depth, surrounding soil conditions and construction environments. The conventional trench excavation method comprises slope excavation, steel sheet pile supporting trench excavation, row pile supporting trench excavation and the like.
According to construction case statistics and economic benefit consideration, steel sheet pile supporting groove excavation is a construction method which is more applied at present, but has the defects. For example, when a trench dug by burying a pipeline is very close to a house around a town section, steel sheet piles are used as temporary supports to dug the trench, after the pipeline is installed, soil loss is caused by pulling out the steel sheet piles after the trench is backfilled, a vacuum effect is generated by pulling out the instantaneous deep soil of the steel sheet piles, and the deeper the steel sheet piles are inserted, the larger the deformation range caused by the soil loss is, and the larger the deformation and sedimentation effects are caused on the surrounding soil, especially the road and house close to a street.
Disclosure of Invention
In order to achieve the above purpose, the invention discloses a municipal rainwater pipeline construction method, which comprises the following steps:
step 1: digging two parallel positioning grooves according to the width of the groove, and driving steel sheet piles into the positioning grooves;
step 2: deep digging by taking two positioning grooves as datum lines to form grooves, and installing solid guardrails of reinforced concrete structures, which are attached to the inner walls of the grooves, wherein the solid guardrails are positioned between two adjacent steel sheet piles, and each two oppositely arranged solid guardrails are supported by a supporting rod;
step 3: paving waterproof mixture in the groove, installing a grouting pipe, and pouring a concrete base layer on the waterproof mixture, wherein the concrete base layer avoids the steel sheet piles;
step 4: after the concrete base layer is solidified, an expansion screw is driven, the bottom support assembly is installed on the concrete base layer through the expansion screw, the support rod is removed, the pipeline is placed on the bottom support assembly, and after the groove is backfilled, the steel sheet pile is pulled out to level the groove.
Preferably, mounting grooves for placing the bottom support rails are reserved at two ends of the concrete base layer in the width direction.
Preferably, felt cloth for separating the concrete base layer is arranged at the bottom end of the steel sheet pile.
Preferably, the bottom support assembly includes:
the bottom fixing seat is arranged on the concrete base layer through an expansion screw;
the two transverse sliding grooves are symmetrically formed in the top end of the bottom fixing seat;
the transverse moving block is connected in the transverse moving chute in a sliding way;
the return spring is positioned in the transverse sliding chute and is connected between the inner wall of the transverse sliding chute and the transverse sliding block;
the two bottom support plates are symmetrically arranged at the top ends of the bottom fixing seats in a triangular shape, the bottom support plates are propped against the bottom support rail, and the pipeline is centrally arranged at the arch position of the two bottom support plates;
the overturning rod is hinged between the bottom supporting plate and the transverse moving block;
and the reset torsion spring is arranged at the hinged end of the turnover rod, which is close to the bottom supporting plate.
Preferably, the bottom support rail cross section is C type setting, the installation spout has been seted up to bottom support rail top, the fluting direction of installation spout is followed bottom support rail length direction parallel extension sets up, bottom support rail top and its parallel arrangement have a side support rail, side support rail cross section is C type setting, the bracing piece both ends are inclined to support and are located the opposite direction setting the side support rail inner, the side support rail is pressed the entity guardrail, the installation spout has been seted up to side support rail bottom, the fluting direction of installation spout is followed side support rail length direction parallel extension sets up, indulge the support screw rod and be located between bottom support rail and the side support rail, indulge support screw rod both ends all sliding connection in the installation spout, indulge the support screw rod both ends and install lock nut.
Preferably, the two ends of the longitudinal supporting screw are provided with fixed gaskets which are matched with the top ends of the bottom supporting rails and the bottom ends of the side supporting rails.
Preferably, the bottom support rail inner top and the side support rail inner bottom are both provided with anti-skid lines adapted to the fixing gaskets.
Preferably, the screw sleeve is sleeved on the longitudinal support screw, the screw sleeve is welded with a support angle steel, one surface of the support angle steel is pressed on the entity guardrail, the other surface of the support angle steel is provided with a connecting chute, and two ends of the support angle steel are vertically bent and connected in the connecting chute.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings that are needed in the description of the embodiments or the prior art will be briefly described, and it is obvious that the drawings in the description below are some embodiments of the present invention, and other drawings can be obtained according to the drawings without inventive effort for a person skilled in the art.
FIG. 1 is a flow chart of a construction method of the present invention;
FIG. 2 is a schematic construction diagram of the present invention;
FIG. 3 is a schematic view of a midsole support assembly according to the present invention;
FIG. 4 is a schematic view of the mounting structure of the present invention;
fig. 5 is a schematic view of the threaded sleeve and support angle of the present invention.
In the figure: 2. a bottom support assembly; 11. steel sheet piles; 12. a groove; 13. waterproof mixture; 14. a concrete base layer; 15. a pipe; 16. a bottom support rail; 17. installing a chute; 18. a side support rail; 19. a support rod; 10. a positioning groove; 21. a bottom fixing seat; 22. a transverse sliding chute; 23. a transverse moving block; 24. a return spring; 25. a bottom support plate; 26. turning over the rod; 27. a longitudinal support screw; 28. a lock nut; 29. fixing the gasket; 20. a threaded sleeve; 31. supporting angle steel; 32. the connecting chute; 33. solid guard rails; 34. supporting the steel bar.
Detailed Description
The following description of the embodiments of the present invention will be made apparent and fully in view of the accompanying drawings, in which some, but not all embodiments of the invention are shown. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Examples
The invention will be further described with reference to the accompanying drawings.
As shown in fig. 1 to 5, the municipal rainwater pipeline construction method provided in this embodiment includes:
step 1: digging two parallel positioning grooves 10 according to the width of the groove, and driving steel sheet piles 11 into the positioning grooves 10;
step 2: deep digging by taking the two positioning grooves 10 as datum lines to form grooves 12, and installing solid guardrails 33 of reinforced concrete structures, which are attached to the inner walls of the grooves 12, wherein the solid guardrails 33 are positioned between two adjacent steel sheet piles 11, and each two oppositely arranged solid guardrails 33 are supported by supporting rods 19;
step 3: paving a waterproof mixture 13 in the groove 12, installing a grouting pipe, and pouring a concrete base layer 14 on the waterproof mixture 13, wherein the concrete base layer avoids the steel sheet piles 11;
step 4: after the concrete base layer 14 is solidified, an expansion screw is driven, the bottom support assembly 2 is installed on the concrete base layer 14 through the expansion screw, the support rods 19 are removed, the pipeline 15 is placed on the bottom support assembly 2, after the groove 12 is backfilled, the steel sheet pile 11 is pulled out, and the groove 12 is leveled.
The working principle and beneficial effects of the technical scheme are as follows:
the invention discloses a municipal rainwater pipeline construction method, two parallel positioning grooves 10 are dug on the ground according to the preset width of a groove, the depth of each positioning groove 10 is about 20 cm, talcum powder is filled in each positioning groove 10, steel sheet piles 11 are vertically driven into each positioning groove 10 to restrain soil outside the corresponding groove 12, after the groove 12 is dug deeply, entity guardrails 33 are placed on the inner wall of the groove 12 in a leaning manner, the opposite entity guardrails 33 are supported and fixed through supporting rods 19, waterproof mixture 13 is paved at the bottom end of the groove 12, grouting pipes are erected on the steel sheet piles 11, concrete base layers 14 are poured on the waterproof mixture 13, the concrete base layers avoid the steel sheet piles 11, after the concrete base layers 14 are solidified, expansion screws are driven, a bottom supporting component 2 is fixed on the concrete base layers 14 through the expansion screws, the supporting rods 19 are removed, the pipeline 15 is placed on the bottom supporting component 2, after the groove 12 is backfilled, the pipeline 15 is pressed down, at the moment, the steel sheet piles 11 are pulled out, the bottom supporting component 2 drives the entity guardrails 33 to support the inner wall of the groove 12, the pipeline 15 is leveled, and the concrete base layers are further pressed down to the pipeline 15, and the soil body cannot be lost in the filling areas, and the soil cannot be lost.
In one embodiment, the concrete base layer 14 is provided with mounting grooves at both ends in the width direction thereof for placing the bottom support rails 16.
The beneficial effects of the technical scheme are as follows:
the mounting grooves for placing the bottom support rails 16 are reserved at the two ends of the concrete base layer 14 in the width direction, and the bottom support rails 16 are placed in the mounting grooves, so that the bottom ends of the solid guardrails 33 are limited.
In one embodiment, the steel sheet pile 11 is placed at its bottom end with linoleum for spacing the concrete foundation layer 14.
The beneficial effects of the technical scheme are as follows:
linoleum cloth placed at the bottom end of the steel sheet pile 11 for preventing the concrete foundation layer 14 from being set up integrally with the steel sheet pile 11 after solidification, thereby causing difficulty in pulling out the steel sheet pile 11.
In one embodiment, the bottom support assembly 2 comprises:
a bottom fixing base 21, wherein the bottom fixing base 21 is installed on the concrete base 14 through expansion screws;
the two transverse sliding grooves 22 are symmetrically arranged at the top end of the bottom fixing seat 21;
the transverse moving block 23 is connected in the transverse moving chute 22 in a sliding way;
a return spring 24, wherein the return spring 24 is positioned in the traverse chute 22, and the return spring 24 is connected between the inner wall of the traverse chute 22 and the traverse block 23;
the bottom support plates 25, the two bottom support plates 25 are symmetrically arranged at the top ends of the bottom fixing seat 21 in a triangular shape, the bottom support plates 25 are propped against the bottom support rail 16, and the pipeline 15 is centrally arranged at the arch position of the two bottom support plates 25;
a turnover rod 26, wherein the turnover rod 26 is hinged between the bottom supporting plate 25 and the transverse moving block 23;
and a reset torsion spring is arranged at the hinged end of the turnover rod 26, which is close to the bottom supporting plate 25.
The working principle and beneficial effects of the technical scheme are as follows:
the pipeline 15 is placed on the top end of the triangle structure formed by the two bottom support plates 25, along with the dead weight of the pipeline 15, the bottom support plates 25 are pressed down, and as the two bottom support plates 25 are arranged in a triangle shape, the bottom support plates 25 press the turning rod 26, so that the traversing block 23 connected with the turning rod 26 moves towards the contraction direction of the return spring 24 in the traversing chute 22, the two bottom support plates 25 are gradually spread after being pressed down, thus propping against the bottom support rail 16, the bottom support rail 16 slides towards the direction close to the entity guard rail 33 in the mounting groove, and the bottom end of the entity guard rail 33 is close to the steel sheet pile 11.
In one embodiment, the cross section of the bottom support rail 16 is a C-shaped structure, the top end of the bottom support rail 16 is provided with a mounting chute 17, the slotting direction of the mounting chute 17 is parallel to the length direction of the bottom support rail 16, a side support rail 18 is arranged above the bottom support rail 16 and parallel to the bottom support rail, the cross section of the side support rail 18 is a C-shaped structure, two ends of the support rail 19 are obliquely abutted against the inner ends of the side support rails 18 which are oppositely arranged, the side support rail 18 presses the solid guardrail 33, the bottom end of the side support rail 18 is provided with a mounting chute 17, the slotting direction of the mounting chute 17 is parallel to the length direction of the side support rail 18, a longitudinal support screw 27 is positioned between the bottom support rail 16 and the side support rail 18, two ends of the longitudinal support screw 27 are both slidably connected in the mounting chute 17, and two ends of the longitudinal support screw 27 are provided with locking nuts 28.
The working principle and beneficial effects of the technical scheme are as follows:
the vertical support screw rods 27 are slidably connected between the bottom support rails 16 and the side support rails 18 through the mounting sliding grooves 17, and the vertical support screw rods 27 are slid, so that the distance between the adjacent vertical support screw rods 27 is adjusted, the distribution position of the solid guardrail 33 is convenient to manually adjust, the two side support rails 18 are supported by the support rods 19, so that the two bottom support rails 16 and the two side support rails 18 form a four-corner support structure, the two ends of the support rods 19 are obliquely abutted against the inner ends of the side support rails 18 oppositely arranged, and then the two bottom support rails 25 are gradually supported against the bottom support rails 16 after being pressed down, so that when the bottom support rails 16 slide in the direction close to the solid guardrail 33 in the mounting groove (at this time, the bottom support rails 16 synchronously drive the side support rails 18 to slide in the direction close to the solid guardrail 33 through the vertical support screw rods 27), the support rods 19 are always kept not separated from the two side support rails 18, and the top ends of the side support rails 18 drive the solid guardrail 33 to be close to the steel sheet piles 11.
Specifically, a through hole for the longitudinal supporting screw rod 27 to penetrate is reserved at the top end of the side supporting rail 18, the longitudinal supporting screw rod 27 penetrates through the installation chute 17 at the bottom end of the side supporting rail 18 and the installation chute 16 at the top end of the bottom supporting rail 16 from the through hole in sequence, after the bottom end of the longitudinal supporting screw rod 27 is connected with the bottom supporting rail 16 through the locking nut 28 manually, the top end of the longitudinal supporting screw rod 27 is connected with the side supporting rail 18 through the locking nut 28, at the moment, the locking nut 28 is not required to be screwed, so that the sliding of the longitudinal supporting screw rods 27 is facilitated, the distance between the adjacent longitudinal supporting screw rods 27 is manually adjusted, the distribution and adjustment of the solid guardrails 33 between the steel sheet piles 11 and the supporting rails are facilitated, and after the adjustment of the solid guardrails 33 is completed, the locking nut 28 is locked. At this time, the groove 12 is backfilled, the backfill soil drives the pipeline 15 to press the bottom support assembly 2, when the backfill soil is buried near the bottom end of the side support rail 18, the backfill soil is stopped, each support rod 19 is manually taken out, the groove 12 is continuously backfilled, the steel sheet pile 11 and the backfill groove 12 can be synchronously pulled out, the bottom support assembly 2 drives the entity guard rail 33 to prop against the inner wall of the groove 12, the groove 12 is leveled, so that the pipeline 15 and the backfill soil further press the bottom support assembly 2, and the entity guard rail 33 is in a gap region where the steel sheet pile 11 is located, thereby not causing soil loss.
In one embodiment, the longitudinal support screws 27 are provided with fixed washers 29 at both ends thereof to fit the top ends of the bottom support rails 16 and the bottom ends of the side support rails 18.
In one example, the top portion of the bottom support rail 16 and the bottom portion of the side support rails 18 are each provided with anti-slip texturing to fit into the mounting pad 29.
In one embodiment, the threaded sleeve 20 is sleeved on the vertical supporting screw 27, the supporting angle steel 31 is welded on the threaded sleeve 20, one surface of the supporting angle steel 31 is pressed on the solid guardrail 33, the other surface of the supporting angle steel 31 is provided with the connecting chute 32, and two ends of the supporting steel 34 are vertically bent and connected in the connecting chute 32.
The working principle and beneficial effects of the technical scheme are as follows:
after each supporting rod 19 is manually taken out, the supporting rods 34 can complete supporting of the opposite side supporting rail 18, after the vertical supporting screw rods 27 pass through the installation sliding grooves 17 at the bottom ends of the side supporting rails 18 through manual self-perforation, the threaded sleeves 20 are adjusted, after one side of the supporting angle steel 31 is pressed on the solid guardrail 33, the vertical supporting screw rods 27 continue to rotate, so that the vertical supporting screw rods 27 pass through the threaded sleeves 20 until the vertical supporting screw rods 27 pass through the installation sliding grooves 16 at the top ends of the bottom supporting rails 16, the other side of the supporting angle steel 31 is provided with the connecting sliding grooves 32, the slotting direction of the connecting sliding grooves 32 is perpendicular to the vertical supporting screw rods 27, two ends of the supporting rods 34 are buckled in the connecting sliding grooves 32, when backfilling soil drives the pipeline 15 to push down the bottom supporting plates 25, so that the two bottom supporting plates 25 are gradually pushed down, and then prop up against the bottom supporting rails 16, the bottom supporting rails 16 slide in the direction close to the solid guardrail 33, and simultaneously, the bottom supporting rails 16 drive the side supporting rails 18 to slide towards the direction close to the solid guardrail 33 through the vertical supporting screw rods 27, and the side supporting rails 33 slide towards the top ends close to the solid guardrail 33, and the solid guardrail 33 are not close to the supporting rods 33, and the supporting rods are connected with the steel rods 32.
It is apparent that the above examples are given by way of illustration only and are not limiting of the embodiments. Other variations or modifications of the above teachings will be apparent to those of ordinary skill in the art. It is not necessary here nor is it exhaustive of all embodiments. While remaining within the scope of the invention as claimed 。
Claims (5)
1. The municipal rainwater pipeline construction method is characterized by comprising the following steps of:
step 1: digging two parallel positioning grooves (10) according to the width of the groove, and driving steel sheet piles (11) into the positioning grooves (10);
step 2: deep digging is carried out by taking two positioning grooves (10) as datum lines to form grooves (12), solid guardrails (33) of reinforced concrete structures are mounted on the inner walls of the grooves (12), the solid guardrails (33) are positioned between two adjacent steel sheet piles (11), and each two oppositely arranged solid guardrails (33) are supported by a supporting rod (19);
step 3: paving a waterproof mixture (13) in the groove (12), installing a grouting pipe, and pouring a concrete base layer (14) on the waterproof mixture (13), wherein the concrete base layer avoids the steel sheet piles (11);
step 4: after the concrete base layer (14) is solidified, an expansion screw is driven, the bottom support assembly (2) is installed on the concrete base layer (14) through the expansion screw, the support rod (19) is removed, the pipeline (15) is placed on the bottom support assembly (2), after the groove (12) is backfilled, the steel sheet pile (11) is pulled out, and the groove (12) is leveled;
mounting grooves for placing bottom support rails (16) are reserved at two ends of the concrete base layer (14) in the width direction;
the bottom support assembly (2) comprises:
the bottom fixing seat (21), the said bottom fixing seat (21) is installed on said concrete basic unit (14) through the expansion screw;
the two transverse sliding grooves (22) are symmetrically formed in the top end of the bottom fixing seat (21);
the transverse moving block (23), the said transverse moving block (23) is connected to the said transverse moving chute (22) slidably;
the return spring (24) is positioned in the transverse sliding chute (22), and the return spring (24) is connected between the inner wall of the transverse sliding chute (22) and the transverse sliding block (23);
the bottom support plates (25) are symmetrically arranged at the top ends of the bottom fixing seats (21) in a triangular shape, the bottom support plates (25) are propped against the bottom support rails (16), and the pipeline (15) is centrally arranged at the arch positions of the two bottom support plates (25);
a turnover rod (26), wherein the turnover rod (26) is hinged between the bottom supporting plate (25) and the transverse moving block (23);
the reset torsion spring is arranged at the hinged end of the turnover rod (26) close to the bottom supporting plate (25);
the utility model discloses a nut locking nut, including bottom support rail (16), installation spout (17) have been seted up on bottom support rail (16) top, the fluting direction of installation spout (17) is followed bottom support rail (16) length direction parallel extension sets up, bottom support rail (16) top and its parallel arrangement have side support rail (18), side support rail (18) cross-section is the setting of C type, bracing piece (19) both ends are inclined to support and are located in opposite direction setting side support rail (18) inner, side support rail (18) are pressed entity guardrail (33), installation spout (17) have been seted up to side support rail (18) bottom, the fluting direction of installation spout (17) is followed side support rail (18) length direction parallel extension sets up, indulge support screw (27) are located between bottom support rail (16) and side support rail (18), indulge support screw (27) both ends all sliding connection in installation spout (17), indulge support screw (27) both ends and install locking nut (28).
2. A municipal rainwater pipeline construction method according to claim 1, wherein the steel sheet piles (11) are arranged with linoleum at their bottom ends for separating the concrete base layer (14).
3. The municipal rainwater pipeline construction method according to claim 1, wherein the two ends of the vertical support screw (27) are provided with fixing gaskets (29) which are matched with the top ends of the bottom support rails (16) and the bottom ends of the side support rails (18).
4. A municipal rainwater pipeline construction method according to claim 3, wherein the top in the bottom support rail (16) and the bottom in the side support rail (18) are provided with anti-slip lines adapted to the fixing gaskets (29).
5. The municipal rainwater pipeline construction method according to claim 1, wherein the threaded sleeve (20) is sleeved on the vertical supporting screw (27), supporting angle steel (31) is welded on the threaded sleeve (20), one surface of the supporting angle steel (31) is pressed on the solid guardrail (33), a connecting chute (32) is formed in the other surface of the supporting angle steel (31), and two ends of the supporting steel bar (34) are vertically bent and connected in the connecting chute (32).
Priority Applications (1)
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CN202211455890.6A CN115680097B (en) | 2022-11-21 | 2022-11-21 | Municipal rainwater pipeline construction method |
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CN202211455890.6A CN115680097B (en) | 2022-11-21 | 2022-11-21 | Municipal rainwater pipeline construction method |
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CN115680097A CN115680097A (en) | 2023-02-03 |
CN115680097B true CN115680097B (en) | 2023-11-24 |
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Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB762481A (en) * | 1953-08-06 | 1956-11-28 | Johnston Brothers Contractors | Improvements in or relating to apparatus for applying shoring to the sides of trenches |
JPH1046580A (en) * | 1996-08-06 | 1998-02-17 | Shinko Kigyo Kk | Earth retaining temporarily arranged form and underground piping execution work method using it |
WO2001046526A1 (en) * | 1999-12-21 | 2001-06-28 | Tristanagh Pty. Ltd. | Earth retention and piling systems |
CN110185119A (en) * | 2019-06-03 | 2019-08-30 | 安徽省新路建设工程集团有限责任公司 | Rain sewage pipe Combined type interface and construction method |
CN110593375A (en) * | 2019-08-29 | 2019-12-20 | 上海景铭建设发展有限公司 | Pipe burying construction method for pipeline by adopting digging groove |
CN114277809A (en) * | 2021-12-08 | 2022-04-05 | 长江生态环保集团有限公司 | Movable groove supporting device for agricultural sewage pipe network engineering and construction method thereof |
CN217399861U (en) * | 2022-05-19 | 2022-09-09 | 中煤东方市政建设集团有限公司 | Underground engineering support bracket |
CN217811095U (en) * | 2022-07-05 | 2022-11-15 | 宁夏昊阳资产管理有限公司 | Green environment-friendly high ground water level heating power pipeline slot backfill structure |
-
2022
- 2022-11-21 CN CN202211455890.6A patent/CN115680097B/en active Active
Patent Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB762481A (en) * | 1953-08-06 | 1956-11-28 | Johnston Brothers Contractors | Improvements in or relating to apparatus for applying shoring to the sides of trenches |
JPH1046580A (en) * | 1996-08-06 | 1998-02-17 | Shinko Kigyo Kk | Earth retaining temporarily arranged form and underground piping execution work method using it |
WO2001046526A1 (en) * | 1999-12-21 | 2001-06-28 | Tristanagh Pty. Ltd. | Earth retention and piling systems |
CN110185119A (en) * | 2019-06-03 | 2019-08-30 | 安徽省新路建设工程集团有限责任公司 | Rain sewage pipe Combined type interface and construction method |
CN110593375A (en) * | 2019-08-29 | 2019-12-20 | 上海景铭建设发展有限公司 | Pipe burying construction method for pipeline by adopting digging groove |
CN114277809A (en) * | 2021-12-08 | 2022-04-05 | 长江生态环保集团有限公司 | Movable groove supporting device for agricultural sewage pipe network engineering and construction method thereof |
CN217399861U (en) * | 2022-05-19 | 2022-09-09 | 中煤东方市政建设集团有限公司 | Underground engineering support bracket |
CN217811095U (en) * | 2022-07-05 | 2022-11-15 | 宁夏昊阳资产管理有限公司 | Green environment-friendly high ground water level heating power pipeline slot backfill structure |
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CN115680097A (en) | 2023-02-03 |
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