CN204252164U - A kind of Submersed type active well - Google Patents
A kind of Submersed type active well Download PDFInfo
- Publication number
- CN204252164U CN204252164U CN201420758760.4U CN201420758760U CN204252164U CN 204252164 U CN204252164 U CN 204252164U CN 201420758760 U CN201420758760 U CN 201420758760U CN 204252164 U CN204252164 U CN 204252164U
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- active well
- pit shaft
- supporting tubing
- cement brick
- construction
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Abstract
The utility model discloses a kind of Submersed type active well, it is characterized in that active well is using the flexible tongue and groove pipe of steel concrete as supporting tubing, to sink section by section with supporting tubing and assembled connecing highly forms active well pit shaft, form concrete sealing bottom in the bottom of pit shaft; Be the cement brick cylindrical shell of building by laying bricks or stones with cement brick at the height of the top of pit shaft to ground 50cm, the reserved opening of trombone slide is set by setting height on pit shaft.The utility model effectively can shorten construction period, save construction costs, and its work progress is safe and reliable, be suitable for engineering practice of construction.
Description
Technical field
The utility model relates to a kind of Submersed type active well.
Background technology
Increasingly mature along with pipe in pipe pulling construction technology, pipe in pipe pulling construction progressively becomes a kind of main construction method of urban drainage engineering non-excavation underground pipeline construction, because it does not need large-area excavation surface layer, and can highway crossing, railway, river, above ground structure, underground structure and various underground utilities etc.Have free from environmental pollution, do not affect traffic, formation structural deterioration is little, construction safety is reliable, the cycle is short, without the need to transport and stack that assorted soil, cost are low, the advantage such as social benefit and remarkable in economical benefits.But in pipe in pipe pulling construction gravity drainage engineering, active well must be made at first manhole well location place provide provisional pipe in pipe pulling construction supporting for it, only for geological conditions better and have the situation of the excavation scope of operation can not to work well, but are quicksands for some, the bearing capacity of foundation soil such as silty clay, silt clay is lower can not the location that should not excavate of the location of milling slot and busiest section, cities and towns, traffic main artery and important feature building side etc., all will carry out construction supporting active well.Active well of the prior art is substantially all adopt the construction method making small-sized open caisson.But the making construction period of open caisson is longer, cost is higher, very uneconomical practicality.
Utility model content
The utility model is the weak point for avoiding existing for above-mentioned prior art, provides one can shorten construction period, save construction costs, safe and reliable, to be suitable for engineering practice of construction Submersed type active well and construction method thereof.
The utility model is that technical solution problem adopts following technical scheme:
The design feature of the utility model Submersed type active well is: described active well is using the flexible tongue and groove pipe of steel concrete as supporting tubing, to sink section by section with described supporting tubing and assembled connecing high forms active well pit shaft, form concrete sealing bottom in the bottom of described pit shaft; Be the cement brick cylindrical shell of building by laying bricks or stones with cement brick at the height of the top of described pit shaft to ground 50cm, the reserved opening of trombone slide is set by setting height on described pit shaft.
The design feature of the utility model Submersed type active well is also: between adjacent supporting tubing, be in and assembledly connect high interface and be provided with rubber seal.
Compared with the prior art, the utility model beneficial effect is embodied in:
The utility model Submersed type active well can shorten construction period, save construction costs, safe and reliable, be suitable for engineering practice of construction.
Accompanying drawing explanation
Fig. 1 is the utility model Submersed type active well structural representation;
Number in the figure: 1 ground, the flexible tongue and groove pipe of 2 steel concrete, 3 rubber seal, 4 concrete sealing bottom, 5 cement brick cylindrical shells, 6 reserved openings
Detailed description of the invention
See Fig. 1, in the present embodiment, the form of structure of Submersed type active well is: active well is using the flexible tongue and groove pipe 2 of steel concrete as supporting tubing, to sink section by section with supporting tubing and assembled connecing high forms active well pit shaft, between adjacent supporting tubing, be in and assembledly connect high interface and be provided with rubber seal 3, form concrete sealing bottom 4 in the bottom of pit shaft; Be the cement brick cylindrical shell 5 of building by laying bricks or stones with cement brick at the height of the top of pit shaft to ground 50cm, the reserved opening 6 of trombone slide is set by setting height on pit shaft.
In the present embodiment, the construction method of Submersed type active well adopts the artificial mode of sinking of cutting the earth connect high by assembled for supporting tubing and sink down into desired location section by section, forms pit shaft, adopt rubble concrete to carry out back cover form concrete sealing bottom 4 in the bottom of pit shaft; Cement brick is adopted to carry out building formation cement brick cylindrical shell 5 by laying bricks or stones at the height of pit shaft top to ground 50cm; The last design axis according to pipeline and elevation location dig out the reserved opening 6 of trombone slide on pit shaft, complete construction.
Construct as follows in concrete enforcement:
Step 1: active well position unwrapping wire: be released on the ground by the center line of active well and spread out cross hairs with lime, adds in active well position surrounding and treats that heavy supporting tubing sinks to controlling stake, control to carry out correction to immersed tube in sinking watching.
Step 2: immersed tube is measured and sunk; Be on the outer wall treating heavy supporting tubing, draw altitude scale line, treating the upper and lower elongated ejection axis of symmetry of heavy supporting outer pipe wall simultaneously, treating heavy supporting pipe material inner wall also ejects line of symmetry with outer wall correspondence position; The artificial method of sinking of cutting the earth is adopted to carry out treating the segmented sinking of heavy supporting tubing, using the bellmouth of flexible for steel concrete tongue and groove pipe 2 downwards as the sinking sword pin of immersed tube; In the sinking watching of supporting tubing, the elevation of sinking is grasped at any time with level gauge observation well outer wall altitude scale line, and adopt total powerstation to prop up on two well point center lines or on extended line, Observing axis controls pit shaft left and right displacement, according to well inwall line pendant and the axis of symmetry to line of symmetry, check the inclination conditions of sinking supporting tubing, real-time deviation correcting; In supporting tubing sinking watching, when first segment supporting tubing top sinks to distance ground at about 20cm, stop sinking, start to connect height to supporting tubing, rubber seal 3 is arranged on socket, the interface of rubber seal 3 and second section supporting tubing smears vaseline or butter lubricates, facilitate the assembled connection between tubing, and the installation of rubber ring 3 effectively can ensure the waterproof effect of supporting tubing interface, provide a dry environment for the later stage constructs in supporting tubing.Proceed after second section supporting tubing installs, so repeatedly supporting tubing is connect high to below ground 50cm, in the process that supporting tubing sinks, the mode that mud lubrication overlaps or immersed tube outer wall is waxed is selected to reduce immersed tube side friction resistance, mud lubrication lubricates the mud injecting prior mixing good outside supporting tubing in sinking watching, and outer pipe wall waxing is carried out construction and is completed before wanting immersed tube, melt by wax stone, and then outer pipe wall smears wax slurry very thin from level to level, the wax slurry be attached to after cooling on outer pipe wall can form a lubricating sleeve, lubrication is played when tubing sinks to reach, in situation with good conditionsi, suggestion uses waxing lubrication, the pollution to environment can be reduced, convenient construction.
Step 3: immersed tube back cover: after supporting tubing sinks to putting in place, the leveling of the clear end, extracts ponding out, adopt rubble concrete to carry out back cover to immersed tube, form concrete sealing bottom 4, the thickness of concrete sealing bottom 4 is not less than 30cm, vibration compacting, can remain on the anhydrous operation in bottom after back cover.
Step 4: top brickwork: by supporting tubing immersed tube to top at 50cm place, ground less than 1, adopt masonry of cement mortar cement brick, form cement brick cylindrical shell 5, the wall thickness of cement brick cylindrical shell 5 is 24cm, cement brick answers the fissure of displacement to build by laying bricks or stones, and mortar is full, ensures masonry strength.
Step 5: immersed tube punches: utilize total powerstation to be released by trombone slide axis, and cause supporting pipe material inner wall, eject the line of ink marker from top to bottom; Utilize level gauge on the line of ink marker of supporting pipe material inner wall, make pipeline center's point, and mark; Utilize pneumatic pick manually to punch according to the central point of trombone slide made, form the reserved opening 6 needed for trombone slide, and adopt to lay bricks and carry out temporary plugging, remove again when pipe in pipe pulling construction needs.
When constructing on existing road for active well, abolish existing road structure layer before construction supporting tubing, the height of cement brick cylindrical shell 5 adjusts according to road structure layer, to make the top end of supporting tubing below road structure layer; Manhole in trombone slide and active well carries out back-filling in layers after having constructed and tamps in supporting tubing, in time being backfilled to the base height of cement brick cylindrical shell 5, abolishes cement brick cylindrical shell 5, then carries out recovery construction according to existing road structure.
Claims (2)
1. a Submersed type active well, it is characterized in that: described active well is using flexible tongue and groove pipe (2) of steel concrete as supporting tubing, to sink section by section with described supporting tubing and assembled connecing high forms active well pit shaft, form concrete sealing bottom (4) in the bottom of described pit shaft; Be the cement brick cylindrical shell (5) of building by laying bricks or stones with cement brick at the height of the top of described pit shaft to ground 50cm, the reserved opening (6) of trombone slide is set by setting height on described pit shaft.
2. Submersed type active well according to claim 1, is characterized in that: between adjacent supporting tubing, be in and assembledly connect high interface and be provided with rubber seal (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420758760.4U CN204252164U (en) | 2014-12-04 | 2014-12-04 | A kind of Submersed type active well |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420758760.4U CN204252164U (en) | 2014-12-04 | 2014-12-04 | A kind of Submersed type active well |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204252164U true CN204252164U (en) | 2015-04-08 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420758760.4U Expired - Fee Related CN204252164U (en) | 2014-12-04 | 2014-12-04 | A kind of Submersed type active well |
Country Status (1)
| Country | Link |
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| CN (1) | CN204252164U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107083770A (en) * | 2017-03-30 | 2017-08-22 | 浙江理工大学 | Transversal reinforcement and grouting underpins active well and preparation method |
| CN113356333A (en) * | 2021-06-17 | 2021-09-07 | 广州市城市规划勘测设计研究院 | Method for manufacturing sewage inspection well with mixed structure |
| CN114319433A (en) * | 2021-12-22 | 2022-04-12 | 深圳市市政工程总公司 | Assembly type construction method for working well reverse construction method |
| CN114319445A (en) * | 2022-01-25 | 2022-04-12 | 广东广基建设集团有限公司 | Assembled inspection well and construction method thereof |
-
2014
- 2014-12-04 CN CN201420758760.4U patent/CN204252164U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107083770A (en) * | 2017-03-30 | 2017-08-22 | 浙江理工大学 | Transversal reinforcement and grouting underpins active well and preparation method |
| CN107083770B (en) * | 2017-03-30 | 2019-01-15 | 浙江理工大学 | Transversal reinforcement and grouting underpins active well and production method |
| CN113356333A (en) * | 2021-06-17 | 2021-09-07 | 广州市城市规划勘测设计研究院 | Method for manufacturing sewage inspection well with mixed structure |
| CN113356333B (en) * | 2021-06-17 | 2022-10-11 | 广州市城市规划勘测设计研究院 | Method for manufacturing sewage inspection well with mixed structure |
| CN114319433A (en) * | 2021-12-22 | 2022-04-12 | 深圳市市政工程总公司 | Assembly type construction method for working well reverse construction method |
| CN114319445A (en) * | 2022-01-25 | 2022-04-12 | 广东广基建设集团有限公司 | Assembled inspection well and construction method thereof |
| CN114319445B (en) * | 2022-01-25 | 2024-04-09 | 广东广基建设集团有限公司 | Assembled inspection well and construction method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150408 Termination date: 20171204 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |