CN111910731A - Construction method of urban drainage underground culvert sinking groove - Google Patents
Construction method of urban drainage underground culvert sinking groove Download PDFInfo
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- CN111910731A CN111910731A CN202010811411.4A CN202010811411A CN111910731A CN 111910731 A CN111910731 A CN 111910731A CN 202010811411 A CN202010811411 A CN 202010811411A CN 111910731 A CN111910731 A CN 111910731A
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- tunnel
- culvert pipe
- culvert
- prefabricated part
- pipe prefabricated
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- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03F—SEWERS; CESSPOOLS
- E03F3/00—Sewer pipe-line systems
- E03F3/06—Methods of, or installations for, laying sewer pipes
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
- B66F7/00—Lifting frames, e.g. for lifting vehicles; Platform lifts
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01F—ADDITIONAL WORK, SUCH AS EQUIPPING ROADS OR THE CONSTRUCTION OF PLATFORMS, HELICOPTER LANDING STAGES, SIGNS, SNOW FENCES, OR THE LIKE
- E01F5/00—Draining the sub-base, i.e. subgrade or ground-work, e.g. embankment of roads or of the ballastway of railways or draining-off road surface or ballastway drainage by trenches, culverts, or conduits or other specially adapted means
- E01F5/005—Culverts ; Head-structures for culverts, or for drainage-conduit outlets in slopes
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- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03F—SEWERS; CESSPOOLS
- E03F3/00—Sewer pipe-line systems
- E03F3/02—Arrangement of sewer pipe-lines or pipe-line systems
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- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Health & Medical Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Public Health (AREA)
- Water Supply & Treatment (AREA)
- Structural Engineering (AREA)
- Geology (AREA)
- Mechanical Engineering (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Lining And Supports For Tunnels (AREA)
Abstract
The invention provides a construction method of a sinking groove of an urban drainage underground culvert, and relates to the field of urban underground construction. The urban drainage underground culvert sinking groove construction method comprises the steps of route planning, tunnel excavation, drainage waterlogging prevention, tunnel tamping, prefabricated part placement and engineering backfilling. The use through with the culvert pipe prefab transports hydraulic pressure elevating gear's setting can conveniently be transported in the tunnel, and hydraulic pressure elevating gear has the ability of going up and down simultaneously, can finely tune the high position that the culvert pipe prefab was placed, has made things convenient for placing of culvert pipe prefab to and pour in the clearance of culvert pipe prefab and tunnel, improve the steadiness of the soil layer of culvert pipe prefab department, the emergence that the culvert pipe prefab that can significantly reduce subsides and subsides.
Description
Technical Field
The invention relates to the field of urban underground construction, in particular to a construction method of a sinking groove of an urban drainage underground culvert.
Background
The drainage system is an important infrastructure of a modern city, and how to economically and technically optimize and reconstruct the drainage system of the city is an important research subject.
In urban drainage construction, especially main drainage culvert in a city, for the quality of engineering and the speed of engineering construction, embedded culvert pipe prefabricated members are mostly adopted. However, in the existing construction mode, the culvert pipe prefabricated member is inconvenient to transport in the tunnel, and meanwhile, only excavated soil is backfilled after the culvert pipe prefabricated member is buried, so that the problem that the soil layer at the position of the culvert pipe prefabricated member is unstable and settlement and collapse occur is easily caused, and therefore urban drainage is influenced.
Disclosure of Invention
Technical problem to be solved
Aiming at the defects of the prior art, the invention provides a construction method of a sinking groove of an urban drainage underground culvert, which solves the problem that culvert pipe prefabricated members are inconvenient to transport in urban drainage construction.
(II) technical scheme
In order to achieve the purpose, the invention is realized by the following technical scheme: a construction method of a sinking groove of an urban drainage underground culvert comprises the following steps:
s1 route planning
Planning the path of the culvert according to the requirement of urban drainage;
s2 tunneling
Excavating a specified path by using engineering machinery, and arranging a support in the tunnel;
s3 drainage waterlogging prevention
When the problem of water accumulation and water seepage of a tunnel occurs in the process of excavating the tunnel, immediately stopping the excavation work of engineering equipment, immediately preparing a water suction pump for water suction treatment, checking a water seepage position, drilling the water seepage position, preferably grouting a drill hole with a high water seepage speed according to the water seepage speed and the distance between the drill holes of 20-50 cm, and reinforcing the tunnel wall of the tunnel at the position after grouting is finished;
s4 tunnel tamping
Along with the excavation of the tunnel, laying stones on the ground of the tunnel, and then tamping the stones to form a tamping layer;
s5 preform placement
Excavating a feeding well above one end of the tunnel, conveying the culvert pipe prefabricated part into the tunnel by adopting a hoisting device, using a transfer hydraulic lifting device for bearing and transferring the culvert pipe prefabricated part, arranging a transfer hydraulic lifting device at each of two ends of the culvert pipe prefabricated part, conveying the culvert pipe prefabricated part to a placing position, excavating a middle well in the tunnel if the length of the tunnel is overlarge, adjusting the inclination of the culvert pipe prefabricated part by the transfer hydraulic lifting device after the culvert pipe prefabricated part reaches a preset place, dismantling the inner wall of the tunnel and supporting the middle part of the culvert pipe prefabricated part, arranging building templates at two sides of the middle part of the culvert pipe prefabricated part, pouring in a gap between the culvert pipe prefabricated part and the tunnel in the building templates, unloading the transfer hydraulic lifting device after cement slurry is solidified to form a pouring layer, moving the building templates to two ends of the culvert pipe prefabricated part, and pouring again, sequentially splicing the two ends of the culvert pipe prefabricated member respectively by taking the first culvert pipe prefabricated member as a reference until all the culvert pipe prefabricated members are placed;
s6 engineering backfill
And backfilling the middle well excavated in the construction.
Preferably, the tunnel wall of the tunnel is reinforced by adhering sprayed concrete to the tunnel wall.
Preferably, the tunnel wall of the tunnel is embedded with a metal net during the reinforcing treatment, the metal net has a square hole shape with a size of 10 × 10cm, and the diameter of the iron wires woven by warps and wefts is 5 mm.
Preferably, the thickness on tamping layer is 20 ~ 30cm, can carry out the thickening according to the actual conditions in tunnel and lay to guarantee that the upper strata on tamping layer is level and smooth.
Preferably, a steel bar is arranged in a pouring gap between the culvert pipe prefabricated member and the tunnel, and the steel bar is fixed on the side wall of the culvert pipe prefabricated member in a welding mode.
(III) advantageous effects
The invention provides a construction method of a sinking groove of an urban drainage underground culvert. The method has the following beneficial effects:
1. according to the invention, the culvert pipe prefabricated member can be conveniently transported in the tunnel by using the transportation hydraulic lifting device, and meanwhile, the hydraulic lifting device has the lifting capacity, so that the height position of the culvert pipe prefabricated member can be finely adjusted, and the culvert pipe prefabricated member is convenient to place.
2. According to the culvert pipe prefabricated member and the construction method thereof, the culvert pipe prefabricated member and the tunnel are poured in the gap, so that the stability of the soil layer at the culvert pipe prefabricated member is improved, the collapse and settlement of the culvert pipe prefabricated member can be greatly reduced, and the normal running of urban drainage is ensured.
Drawings
FIG. 1 is a schematic view of the construction of the present invention.
Wherein, 1, soil layer; 2. a tunnel; 3. tamping the layer; 4. supporting; 5. transferring a hydraulic lifting device; 6. culvert pipe prefabricated parts; 7. pouring a layer; 8. building a template; 9. a feeding well; 10. hoisting the device; 11. a middle well.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example (b):
as shown in fig. 1, an embodiment of the present invention provides a method for constructing a sinking channel of an urban drainage underground culvert, including the following steps:
s1 route planning
Planning the path of the culvert according to the requirement of urban drainage;
Excavating a specified path by using engineering machinery, and arranging a support 4 in the tunnel 2;
s3 drainage waterlogging prevention
When the problem of water accumulation and water seepage of the tunnel 2 occurs in the excavation process of the tunnel 2, immediately stopping excavation work of engineering equipment, immediately preparing a water suction pump for water suction treatment, detecting a water seepage position, drilling the water seepage position, preferably grouting a drill hole with a high water seepage speed according to the water seepage speed and the distance between the drill holes being 20-50 cm, and reinforcing the hole wall of the tunnel 2 at the position after grouting is finished;
s4 Tunnel 2 tamping
Along with the excavation of the tunnel 2, laying stones on the ground of the tunnel 2, and then tamping the stones to form a tamping layer 3;
s5 preform placement
Excavating a feed well 9 above one end of the tunnel 2, conveying the culvert pipe prefabricated part 6 into the tunnel 2 by adopting a hoisting device 10, using a transfer hydraulic lifting device 5 for bearing and transferring the culvert pipe prefabricated part 6, respectively arranging one transfer hydraulic lifting device 5 at each of two ends of the culvert pipe prefabricated part 6, conveying the culvert pipe prefabricated part 6 to a placement position, excavating a middle well 11 in the tunnel 2 if the length of the tunnel 2 is overlarge, adjusting the inclination of the culvert pipe prefabricated part 6 by the transfer hydraulic lifting device 5 after the culvert pipe prefabricated part 6 reaches a preset place, dismantling a support 4 on the inner wall of the tunnel 2 and in the middle of the culvert pipe prefabricated part 6, arranging building templates 8 at two sides of the middle of the culvert pipe prefabricated part 6, pouring in a gap between the culvert pipe prefabricated part 6 and the tunnel 2 in the building templates 8, and dismantling the transfer hydraulic lifting device 5 after cement slurry is solidified to form a pouring layer 7, moving the building template 8 to two ends of the culvert pipe prefabricated part 6, pouring again, sequentially splicing the two ends of the culvert pipe prefabricated part 6 respectively by taking the first culvert pipe prefabricated part 6 as a reference until all the culvert pipe prefabricated parts 6 are placed, conveniently transporting the culvert pipe prefabricated part 6 in the tunnel 2 by arranging the transport hydraulic lifting device 5, and finely adjusting the height position of the culvert pipe prefabricated part 6 by the hydraulic lifting device 5;
s6 engineering backfill
The intermediate well 11 excavated in the construction is backfilled.
The hole wall in tunnel 2 is consolidated and is handled and adopt the shotcrete to adhere on the hole wall, the hole wall in tunnel 2 is consolidated and is buried the metal mesh in handling, the hole shape of metal mesh is square and size 10 x 10cm, the diameter of the iron wire that the longitude and latitude was woven is 5mm, the thickness on rammed layer 3 is 20 ~ 30cm, can thicken according to the actual conditions in tunnel 2 and lay, and guarantee that the upper strata on rammed layer 3 levels, the clearance of pouring between culvert pipe prefab 6 and the tunnel 2 is provided with the reinforcing bar, the reinforcing bar passes through the welded mode and fixes the lateral wall at culvert pipe prefab 6.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (5)
1. A construction method for urban drainage underground culvert sinking grooves is characterized by comprising the following steps:
s1 route planning
Planning the path of the culvert according to the requirement of urban drainage;
s2 excavation of tunnel (2)
Excavating a specified path by using engineering machinery, and arranging a support (4) in the tunnel (2);
s3 drainage waterlogging prevention
When the problem of water accumulation and water seepage of the tunnel (2) occurs in the excavation process of the tunnel (2), immediately stopping excavation work of engineering equipment, immediately preparing a water suction pump for water suction treatment, and carrying out drilling work on a water seepage position for inspection, wherein the distance between drilled holes is 20-50 cm according to the water seepage speed, grouting treatment is preferentially carried out on the drilled holes with the high water seepage speed, and after the grouting is finished, reinforcing the hole wall of the tunnel (2) at the position;
s4 Tunnel (2) tamping
Along with the excavation of the tunnel (2), laying stones on the ground of the tunnel (2), and then tamping the stones to form a tamping layer (3);
s5 preform placement
Excavating a feed well (9) above one end of the tunnel (2), conveying the culvert pipe prefabricated part (6) into the tunnel (2) by adopting a hoisting device (10), using a transfer hydraulic lifting device (5) for bearing and transferring the culvert pipe prefabricated part (6), arranging one transfer hydraulic lifting device (5) at each of two ends of the culvert pipe prefabricated part (6), conveying the culvert pipe prefabricated part (6) to a placing position, excavating a middle well (11) in the tunnel (2) if the length of the tunnel (2) is overlarge, adjusting the gradient of the culvert pipe prefabricated part (6) by conveying the hydraulic lifting device (5) after the culvert pipe prefabricated part (6) reaches a preset place, dismantling the inner wall of the tunnel (2) and supports (4) in the middle of the culvert pipe prefabricated part (6), arranging building templates (8) on two sides of the middle of the culvert pipe prefabricated part (6), pouring in a gap between the culvert pipe prefabricated part (6) and the tunnel (2) in the building templates (8), after cement slurry is solidified to form a pouring layer (7), the transfer hydraulic lifting device (5) is dismounted, the building template (8) is moved to the two ends of the culvert pipe prefabricated part (6), pouring is carried out again, and the first culvert pipe prefabricated part (6) is taken as a reference, and the two ends of the culvert pipe prefabricated part (6) are sequentially spliced until all culvert pipe prefabricated parts (6) are placed;
s6 engineering backfill
And backfilling the middle well (11) dug in construction.
2. The urban drainage underground culvert sinking tank construction method according to claim 1, characterized in that: and the hole wall of the tunnel (2) is reinforced and adhered to the hole wall by sprayed concrete.
3. The urban drainage underground culvert sinking tank construction method according to claim 2, characterized in that: the hole wall of the tunnel (2) is embedded with a metal net during reinforcement treatment, the hole shape of the metal net is square and 10 multiplied by 10cm in size, and the diameter of iron wires woven by warps and wefts is 5 mm.
4. The urban drainage underground culvert sinking tank construction method according to claim 1, characterized in that: the thickness of ramming layer (3) is 20 ~ 30cm, can carry out the thickening according to the actual conditions in tunnel (2) and lay to the upper strata of guaranteeing to tamp layer (3) levels.
5. The urban drainage underground culvert sinking tank construction method according to claim 1, characterized in that: the pouring gap between the culvert pipe prefabricated part (6) and the tunnel (2) is provided with steel bars, and the steel bars are fixed on the side wall of the culvert pipe prefabricated part (6) in a welding mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010811411.4A CN111910731A (en) | 2020-08-13 | 2020-08-13 | Construction method of urban drainage underground culvert sinking groove |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010811411.4A CN111910731A (en) | 2020-08-13 | 2020-08-13 | Construction method of urban drainage underground culvert sinking groove |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111910731A true CN111910731A (en) | 2020-11-10 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010811411.4A Pending CN111910731A (en) | 2020-08-13 | 2020-08-13 | Construction method of urban drainage underground culvert sinking groove |
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| Country | Link |
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| CN (1) | CN111910731A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113431599A (en) * | 2021-06-04 | 2021-09-24 | 中铁十九局集团轨道交通工程有限公司 | Earth moving equipment for shield tunnel construction |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102071953A (en) * | 2010-12-15 | 2011-05-25 | 广东华隧建设股份有限公司 | Method for casting surrounding concrete of lined steel pipe of shield tunnel |
| CN102454827A (en) * | 2010-10-30 | 2012-05-16 | 广东华隧建设股份有限公司 | Pipeline transportation and installation method in tunnel or culvert |
| CN107142965A (en) * | 2017-06-13 | 2017-09-08 | 苏州中恒通路桥股份有限公司 | A kind of porous preforming box culvert construct method run above metro shield interval structure |
| CN109210274A (en) * | 2018-10-31 | 2019-01-15 | 中国冶集团有限公司 | Push pipe pipeline docking facilities and interconnection method |
| CN209369832U (en) * | 2018-12-29 | 2019-09-10 | 北京京水建设集团有限公司 | Steel pipe behind fill concrete structure in a kind of tunnel |
-
2020
- 2020-08-13 CN CN202010811411.4A patent/CN111910731A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102454827A (en) * | 2010-10-30 | 2012-05-16 | 广东华隧建设股份有限公司 | Pipeline transportation and installation method in tunnel or culvert |
| CN102071953A (en) * | 2010-12-15 | 2011-05-25 | 广东华隧建设股份有限公司 | Method for casting surrounding concrete of lined steel pipe of shield tunnel |
| CN107142965A (en) * | 2017-06-13 | 2017-09-08 | 苏州中恒通路桥股份有限公司 | A kind of porous preforming box culvert construct method run above metro shield interval structure |
| CN109210274A (en) * | 2018-10-31 | 2019-01-15 | 中国冶集团有限公司 | Push pipe pipeline docking facilities and interconnection method |
| CN209369832U (en) * | 2018-12-29 | 2019-09-10 | 北京京水建设集团有限公司 | Steel pipe behind fill concrete structure in a kind of tunnel |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113431599A (en) * | 2021-06-04 | 2021-09-24 | 中铁十九局集团轨道交通工程有限公司 | Earth moving equipment for shield tunnel construction |
| CN113431599B (en) * | 2021-06-04 | 2023-05-05 | 中铁十九局集团轨道交通工程有限公司 | Earth moving equipment for shield tunnel construction |
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Application publication date: 20201110 |
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