CN110080230A - A kind of structure and its construction method handling bottom of foundation ditch water burst - Google Patents
A kind of structure and its construction method handling bottom of foundation ditch water burst Download PDFInfo
- Publication number
- CN110080230A CN110080230A CN201910202608.5A CN201910202608A CN110080230A CN 110080230 A CN110080230 A CN 110080230A CN 201910202608 A CN201910202608 A CN 201910202608A CN 110080230 A CN110080230 A CN 110080230A
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- China
- Prior art keywords
- cofferdam
- water burst
- water
- diversion pipe
- foundation ditch
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D17/00—Excavations; Bordering of excavations; Making embankments
- E02D17/02—Foundation pits
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D19/00—Keeping dry foundation sites or other areas in the ground
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D19/00—Keeping dry foundation sites or other areas in the ground
- E02D19/02—Restraining of open water
- E02D19/04—Restraining of open water by coffer-dams, e.g. made of sheet piles
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- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Paleontology (AREA)
- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Sewage (AREA)
Abstract
The invention discloses a kind of structures for handling bottom of foundation ditch water burst, comprising: cofferdam is arranged at circular water burst, for obstructing connection at water burst and extraneous, filtering material is filled in the cofferdam, forms filter layer；Diversion pipe is equipped with inlet and outlet, and for guiding the water at water burst to flow out, the water inlet of the diversion pipe extends into the cofferdam, and the water outlet of the diversion pipe extends to outside the cofferdam；Cover board is covered on the cofferdam, and the cofferdam forms confined space；And operating platform, it is covered in around the cofferdam and the top of the cover board, plays sealing function.Structure of the invention can effectively retain the silt particle that water burst is taken out of, silt particle is prevented to be lost, and reduce the probability for accident occur.Construction method of the invention greatly shortens the construction time, ensure that the construction speed of engineering.
Description
Technical field
The present invention relates to the realm of building construction, in particular to a kind of structure and its construction party for handling bottom of foundation ditch water burst
Method.
Background technique
With the development of urban construction, the development of the underground space is driven, the underground space of current all kinds of purposes is in the world
It is developed in each big and medium-sized cities.The construction of these underground spaces mostly uses low-cost, easy for construction cut and cover method,
A large amount of base pit engineerings are produced therefrom, and scale and depth continue to increase.In Excavation Process, water burst can be encountered often
Phenomenon, or even there is piping.How quickly, safe and reliable solution burst problem becomes numerous engineers and technicians face one
Item important topic.In current Excavation Process, the main processing method of foundation pit water burst occur is: boring around first at the water burst
Secondly grout pipe is arranged in hole in steel sleeve, by steel sleeve indentation drilling, then with cotton yarn and quick hardening cement by steel sleeve with
It is sealed at the gap of ground and finally utilizes grouting pump by polyurethane slurries through in grout pipe injection hole.Then the prior art needs to spend
Plenty of time at the water burst around cloth hole, piping water can not be limited and take the soil in foundation pit out of, the deficiencies of construction equipment is complicated.
The information disclosed in the background technology section is intended only to increase the understanding to general background of the invention, without answering
When being considered as recognizing or imply that the information constitutes the prior art already known to those of ordinary skill in the art in any form.
Summary of the invention
The purpose of the present invention is to provide a kind of structures for handling bottom of foundation ditch water burst, can effectively prevent silt outflow, with
And quickly handle bottom of foundation ditch water burst.
It is another object of the present invention to provide a kind of structures and its construction method for handling bottom of foundation ditch water burst.
To achieve the above object, the present invention provides a kind of structures for handling bottom of foundation ditch water burst, comprising: cofferdam, ring
It is arranged at water burst, for obstructing connection at water burst and extraneous, filtering material is filled in the cofferdam, forms filter layer；
Diversion pipe is equipped with inlet and outlet, and for guiding the water at water burst to flow out, the water inlet of the diversion pipe is enclosed to described
Extend in weir, the water outlet of the diversion pipe extends to outside the cofferdam；Cover board is covered on the cofferdam, the cofferdam
Form confined space；And operating platform, it is covered in around the cofferdam and the top of the cover board, plays sealing and make
With；Wherein, in the state that the cofferdam, diversion pipe, cover board and operating platform are installed, after the water export at water burst,
By the diversion pipe, into the cofferdam, mud jacking is blocked.
Preferably, in above-mentioned technical proposal, the cofferdam is surrounded by multilayer sandbag.
Preferably, in above-mentioned technical proposal, the filtering material is rubble.
A kind of construction method handling bottom of foundation ditch water burst, comprising the following steps:
(1) it is tentatively blocked with sealing agent at water burst, diversion pipe is set at water burst；
(2) at the water burst around cofferdam is set, sandstone is then inserted in cofferdam, forms filter layer；
(3) cover board is covered on cofferdam, and cofferdam is made to form a closed space, it then will be in cofferdam by diversion pipe
Water extraction；
(4) soil compaction is backfilled around cofferdam and above cover board, forms an operating platform；
(5) when water burst is controlled, after water leakage is reduced, by diversion pipe to progress mud jacking closure at the water burst of substrate.
Preferably, in above-mentioned technical proposal, the distance of cofferdam bottom described in the distance of the diversion pipe is not less than 40cm.
Preferably, in above-mentioned technical proposal, cofferdam, cofferdam inner wall are encircled into multilayer sandbag at water burst in step (2)
Distance at water burst is not less than 1m.
Preferably, in above-mentioned technical proposal, the ballast grain sizes of the filter layer are 20-30mm, and the height of filter layer is 30-
40cm。
Preferably, in above-mentioned technical proposal, the quality of the cover board is not less than 500kg.
Preferably, in above-mentioned technical proposal, the operating platform is in a circular table shape, and upper bottom surface diameter is not less than 3m, bottom surface
Diameter is not less than 5m, highly not less than 2.5m.
Compared with prior art, the invention has the following beneficial effects:
(1) structure of present invention processing bottom of foundation ditch water burst, can in time make a response to water burst, can effectively retain water burst
The silt particle taken out of, prevents silt particle to be lost, and reduces the probability for accident occur.
(2) water burst can be discharged except foundation pit, foundation pit construction is made to can be avoided the shadow of water burst by construction method of the invention
It rings, ensure that the condition of dry work.Involved material can be obtained from construction site, not need independent Customization Tool, be reduced
Project cost.Greatly shorten the construction time, ensure that the construction speed of engineering.
Detailed description of the invention
Fig. 1 is the overall schematic of the structure of processing bottom of foundation ditch water burst according to the present invention.
Specific embodiment
With reference to the accompanying drawing, specific embodiments of the present invention will be described in detail, it is to be understood that guarantor of the invention
Shield range is not limited by the specific implementation.
Unless otherwise explicitly stated, otherwise in entire disclosure and claims, term " includes " or its change
Changing such as "comprising" or " including " etc. will be understood to comprise stated element or component, and not exclude other members
Part or other component parts.
As shown in Figure 1, the structure of a kind of processing bottom of foundation ditch water burst of specific embodiment, including cofferdam according to the present invention
1, diversion pipe 2, cover board 3 and operating platform 4.Cofferdam 1 is encircled into multilayer sandbag around 5 at the water burst, i.e. cofferdam 1 is around gushing
5 setting at water, for obstructing at water burst 1 and extraneous connection.Filtering material after filling in cofferdam 1, and form filter layer 6, mistake
Filter material material is made of rubble.Diversion pipe 2 is equipped with inlet and outlet, and the water inlet of diversion pipe 2 extends into cofferdam 1, is discharged
Mouth extends to outside cofferdam 1.Diversion pipe 2 is used to export at water burst 1 water.1 upper cover of cofferdam is equipped with cover board 3, forms cofferdam 1 close
Close space.Operating platform 4 is covered in around cofferdam 1 and the top of cover board 3, plays the role of sealing.Wherein, it is enclosed described
In the state that weir, diversion pipe, cover board and operating platform are installed, by water burst water export after, by the diversion pipe to
Mud jacking blocks in the cofferdam.
A kind of construction method handling bottom of foundation ditch water burst, comprising the following steps:
(1) it is carried out picking chisel cleaning at bottom of foundation ditch water burst 5 according to site operation situation, using sealing agent at water burst 5
Tentatively blocked.The 5 setting diversion pipe 2 at water burst, the diameter of diversion pipe 2 are 20cm.
(2) 5 surrounding pile, 5 layers of sandbag at water burst build up cofferdam 1 and trample tightly, using sandbag own wt to base
Bottom carries out compacting and anti-filtering, must assure that sandbag stability after the completion of pile.Wherein, distance of 1 inner wall of cofferdam at water burst
Not less than 1m, diversion pipe 2 is placed on apart from 1 bottom of cofferdam not less than at 40cm height.
(3) sandstone is inserted in cofferdam 1, forms filter layer 6, and the ballast grain sizes range of filter layer 6 is 20-30mm, filtering
The altitude range of layer is 30-40cm.It fills sandstone and forms filter layer, can prevent water burst from taking away the soil in ground.It was filling
It should ensure that the particle in each layer does not occur mobile and water burst and can smoothly flow out in journey.
(4) heavy cover board 3 is covered on cofferdam 1, the quality of cover board is not less than 500kg.Cover board 3 is covered to further ensure that
The stability in cofferdam 1, and a closed space is formed with cofferdam 1.Then by the water extraction in 2 cofferdam 1 of diversion pipe, outside
Row.
(5) earthwork is backfilled around cofferdam 1, forms round table-like operating platform 4.Round table-like operating platform upper bottom surface diameter
Not less than 3m, bottom surface diameter not less than 5m, highly not less than 2.5m.Pay attention to being compacted backfill.
(6) after compacting after a period of time, water burst is controlled, and water leakage is reduced.Finally by diversion pipe 2 to substrate
Mud jacking closure is carried out at water burst.
The aforementioned description to specific exemplary embodiment of the invention is in order to illustrate and illustration purpose.These descriptions
It is not wishing to limit the invention to disclosed precise forms, and it will be apparent that according to the above instruction, can much be changed
And variation.The purpose of selecting and describing the exemplary embodiment is that explaining specific principle of the invention and its actually answering
With so that those skilled in the art can be realized and utilize a variety of different exemplary implementation schemes of the invention and
Various chooses and changes.The scope of the present invention is intended to be limited by claims and its equivalents.
Claims (9)
1. a kind of structure for handling bottom of foundation ditch water burst characterized by comprising
Cofferdam is arranged at circular water burst, for obstructing connection at water burst and extraneous, is filled with filter material in the cofferdam
Material forms filter layer；
Diversion pipe is equipped with inlet and outlet, and for guiding the water at water burst to flow out, the water inlet of the diversion pipe is to institute
It states in cofferdam and extends, the water outlet of the diversion pipe extends to outside the cofferdam；
Cover board is covered on the cofferdam, and the cofferdam forms confined space；And
Operating platform, is covered in around the cofferdam and the top of the cover board, plays sealing function；
Wherein, in the state that the cofferdam, diversion pipe, cover board and operating platform are installed, after the water export at water burst,
By the diversion pipe, into the cofferdam, mud jacking is blocked.
2. the structure of processing bottom of foundation ditch water burst according to claim 1, which is characterized in that the cofferdam is by multilayer sandbag
It surrounds.
3. the structure of processing bottom of foundation ditch water burst according to claim 1, which is characterized in that the filtering material is broken
Stone.
4. a kind of construction method for handling bottom of foundation ditch water burst, which comprises the following steps:
(1) it is tentatively blocked with sealing agent at water burst, diversion pipe is set at water burst；
(2) at the water burst around cofferdam is set, sandstone is then inserted in cofferdam, forms filter layer；
(3) cover board is covered on cofferdam, cofferdam is made to form a closed space, is then taken out the water in cofferdam by diversion pipe
Out；
(4) soil compaction is backfilled around cofferdam and above cover board, forms an operating platform；
(5) when water burst is controlled, after water leakage is reduced, by diversion pipe to progress mud jacking closure at the water burst of substrate.
5. handling the construction method of bottom of foundation ditch water burst according to claim 4, which is characterized in that the distance of the diversion pipe
The distance of the cofferdam bottom is not less than 40cm.
6. handling the construction method of bottom of foundation ditch water burst according to claim 4, which is characterized in that in water burst in step (2)
Place is encircled into cofferdam with multilayer sandbag, and distance of the cofferdam inner wall at water burst is not less than 1m.
7. handling the construction method of bottom of foundation ditch water burst according to claim 4, which is characterized in that the rubble of the filter layer
Partial size is 20-30mm, and the height of filter layer is 30-40cm.
8. handling the construction method of bottom of foundation ditch water burst according to claim 4, which is characterized in that the quality of the cover board is not
Lower than 500kg.
9. handling the construction method of bottom of foundation ditch water burst according to claim 4, which is characterized in that the operating platform is in circle
Mesa-shaped, upper bottom surface diameter is not less than 3m, bottom surface diameter not less than 5m, highly not less than 2.5m.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910202608.5A CN110080230A (en) | 2019-03-18 | 2019-03-18 | A kind of structure and its construction method handling bottom of foundation ditch water burst |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910202608.5A CN110080230A (en) | 2019-03-18 | 2019-03-18 | A kind of structure and its construction method handling bottom of foundation ditch water burst |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110080230A true CN110080230A (en) | 2019-08-02 |
Family
ID=67413279
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910202608.5A Pending CN110080230A (en) | 2019-03-18 | 2019-03-18 | A kind of structure and its construction method handling bottom of foundation ditch water burst |
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| CN (1) | CN110080230A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110593284A (en) * | 2019-09-23 | 2019-12-20 | 中交第二航务工程局有限公司 | Seepage prevention method for construction of underwater bearing platform in solution hole and solution gap development area |
| CN114439025A (en) * | 2022-01-14 | 2022-05-06 | 上海建工二建集团有限公司 | Quick-assembly type leaking stoppage cofferdam and construction method thereof |
Citations (6)
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|---|---|---|---|---|
| JPS6160921A (en) * | 1984-08-31 | 1986-03-28 | Taisei Corp | Method of constructing impervious wall |
| CN101245886A (en) * | 2008-03-13 | 2008-08-20 | 武汉京冶地基基础工程有限责任公司 | Processing method for deep building pit piping |
| CN104895118A (en) * | 2015-06-24 | 2015-09-09 | 江苏省建筑科学研究院有限公司 | Underground diaphragm wall internal corner position piping plug structure and grouting processing method thereof |
| CN105780793A (en) * | 2016-04-06 | 2016-07-20 | 中建交通建设集团有限公司 | Emergency treatment method for sudden gushing of high confined water stratum foundation pit |
| CN206784415U (en) * | 2017-05-22 | 2017-12-22 | 中国建筑第八工程局有限公司 | Piping in foundation pit fast plugging device |
| CN207392266U (en) * | 2017-10-27 | 2018-05-22 | 南通市达欣工程股份有限公司 | Underground surpasses artesian water device for plugging |
-
2019
- 2019-03-18 CN CN201910202608.5A patent/CN110080230A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6160921A (en) * | 1984-08-31 | 1986-03-28 | Taisei Corp | Method of constructing impervious wall |
| CN101245886A (en) * | 2008-03-13 | 2008-08-20 | 武汉京冶地基基础工程有限责任公司 | Processing method for deep building pit piping |
| CN104895118A (en) * | 2015-06-24 | 2015-09-09 | 江苏省建筑科学研究院有限公司 | Underground diaphragm wall internal corner position piping plug structure and grouting processing method thereof |
| CN105780793A (en) * | 2016-04-06 | 2016-07-20 | 中建交通建设集团有限公司 | Emergency treatment method for sudden gushing of high confined water stratum foundation pit |
| CN206784415U (en) * | 2017-05-22 | 2017-12-22 | 中国建筑第八工程局有限公司 | Piping in foundation pit fast plugging device |
| CN207392266U (en) * | 2017-10-27 | 2018-05-22 | 南通市达欣工程股份有限公司 | Underground surpasses artesian water device for plugging |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110593284A (en) * | 2019-09-23 | 2019-12-20 | 中交第二航务工程局有限公司 | Seepage prevention method for construction of underwater bearing platform in solution hole and solution gap development area |
| CN114439025A (en) * | 2022-01-14 | 2022-05-06 | 上海建工二建集团有限公司 | Quick-assembly type leaking stoppage cofferdam and construction method thereof |
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Application publication date: 20190802 |
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