CN106088123B - A kind of sand geology steel tube well drop water level device and its construction method - Google Patents
A kind of sand geology steel tube well drop water level device and its construction method Download PDFInfo
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- CN106088123B CN106088123B CN201610672740.9A CN201610672740A CN106088123B CN 106088123 B CN106088123 B CN 106088123B CN 201610672740 A CN201610672740 A CN 201610672740A CN 106088123 B CN106088123 B CN 106088123B
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- 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
- E02D19/06—Restraining of underground water
- E02D19/10—Restraining of underground water by lowering level of ground water
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D15/00—Handling building or like materials for hydraulic engineering or foundations
- E02D15/02—Handling of bulk concrete specially for foundation or hydraulic engineering purposes
-
- 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
- E02D19/06—Restraining of underground water
- E02D19/12—Restraining of underground water by damming or interrupting the passage of underground water
- E02D19/20—Restraining of underground water by damming or interrupting the passage of underground water by displacing the water, e.g. by compressed air
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- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Hydrology & Water Resources (AREA)
- Structural Engineering (AREA)
- Environmental & Geological Engineering (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Mining & Mineral Resources (AREA)
- Paleontology (AREA)
- Civil Engineering (AREA)
- Investigation Of Foundation Soil And Reinforcement Of Foundation Soil By Compacting Or Drainage (AREA)
Abstract
The present invention proposes a kind of sand geology steel tube well drop water level device and its construction method, composition include：Steel tube well（9）, steel tube well（9）It is installed to vertical drilling（7）In, in steel tube well（9）Interior installation deep well submerged pump（10）, deep well submerged pump（10）It is powered by electricity, deep well submerged pump（10）With water pipe（4）Connection, water pipe（4）The other end is by arriving cistern（6）In；Several holes staggeredly are longitudinally provided in steel tube well loop wall（12）, two holes for hoist are opened up in steel tube well one end（11）, in hole for hoist（11）Weld seal ring in lower section（3）, steel tube well outside two layers of fiber cloth of package（13）, and with binding silk（14）Binding, fiber cloth（13）Bottom binding closing.Advantage is：Flow is simple, easy to operate, working efficiency is high；The safety coefficient of deep basal pit operation is improved, ensure that the stability of excavation slope and the safety of Adjacent Buildings.
Description
Technical field
The present invention relates to the realm of building construction, particularly relate to a kind of sand geology steel tube well drop water level device and its construction party
Method.
Background technology
During the construction of coastal cities, site soil layers are mainly by miscellaneous fill, silty clay, middle sand, flour sand, thick
The compositions such as sand, fine sand.Groundwater type is mainly pore ground water and Bedrock Crevice Water, and the main preservation of pore ground water is in foundation soil
1 laminin is banketed, in the 2nd layer in the hole of sand and the 3rd layer of flour sand, and aqueous layer thickness is big, and water penetration is preferable, and water is relatively abundant, shallow
The groundwater level buried depth of pore ground water is 0.28~1.82m in portion's layer of sand.
Invention content
The present invention to solve problems of the prior art, propose a kind of sand geology steel tube well drop water level device and its
Construction method.
The technical proposal of the invention is realized in this way：
Water level device drops in a kind of sand geology steel tube well, and composition includes：Vertical drilling（7）, steel tube well（9）, electronic box
（1）, cistern（6）, blinding layer（5）, steel tube well（9）Surrounding has poured blinding layer（5）, steel tube well（9）It is installed to vertical
Drilling（7）In, in steel tube well（9）Interior installation deep well submerged pump（10）, deep well submerged pump（10）It is powered by electricity, deep well submerged pump
（10）With water pipe（4）Connection, water pipe（4）The other end is by arriving cistern（6）In；Steel tube well（9）It is made of seamless steel pipe,
Steel tube well loop wall is longitudinally provided with several holes staggeredly（12）, two holes for hoist are opened up in steel tube well one end（11）, lifting
Hole（11）Weld seal ring in lower section（3）, steel tube well outside two layers of fiber cloth of package（13）, and with binding silk（14）Binding, fiber
Cloth（13）Bottom binding closing.
Steel tube well（9）Using the seamless steel pipe of A220 × 5, hole（12）Fore-and-aft distance for 200mm, seal ring（3）For
The steel plate of 100mm wide, 5mm thickness.
A kind of construction method of sand geology steel tube well drop water level device, step include：
a）According to the design drawing that Foundation Pit Support Design unit issues, well location measuring is carried out by survey crew for measurement and positioning,
And carry out review work, it is ensured that well location is accurate；
b）Drilling device makes and installation, drilling device（19）By A200mm × 5mm steel pipes I（16）With A80mm × 5mm steel
Pipe II（17）It is welded, internal run-through, steel pipe I（16）End welding short steel rod（15）, steel pipe II（17）End and water pump
（18）It is connected, high-pressure hydraulic passes through drilling device（19）；
c）Drilling, first by steel pipe II before drilling（17）Top and water pump（18）After combining closely, then by drilling device
（19）Designated position is erected at, opens water pump（18）, to drilling device（19）High pressure water is sent into inside, and operating personnel utilize pipe wrench
（20）Drilling device is pushed downwards in rotation（19）；After certain depth is drilled into, high pressure water impact power and drilling device are utilized
（19）Dead weight can ensure that drilling is smoothed out, and vertical drilling is should ensure that in boring procedure（7）Degree control is within 3%；
d）Steel tube well is installed, by the good steel tube well of pre-production（9）Use tower crane（21）Lifting is seated to what construction finished
Vertical drilling（7）In；
e）Pumping equipment is installed, by deep well submerged pump（10）It is installed to steel tube well（9）In, drainage is hung in rope during installation
Layer position（8）, deep well submerged pump（10）It is fixed above with well head, deep well submerged pump（10）, cable（2）It reliably insulate with connector,
Every deep well submerged pump（10）Individually control switchs for setting one；
f）It draws water, connects electronic box（1）Power supply drives deep well submerged pump（10）, examination pumping is first carried out, water is pumped into cistern
（6）In, start formally to draw water if water outlet is smooth, until water level is down to designed elevation；
G) blinding layer is constructed, in steel tube well（9）Neighbouring ground, casting concrete, and smooth out；
H) pump, shut-in well are removed, after concreting is completed 5 days, steel tube well foundation construction is closed, before shut-in well, is adopted
Manually by deep well submerged pump（10）With water pipe from steel tube well（9）Middle extraction, termination of pumping, pumping pump time are short as possible, then using C40
Concrete carries out steel tube well closing.
The beneficial effects of the invention are as follows：The present invention is smoothly completed by well-designed, planning and management to basement bottom board
Steel tube well dewatering construction by the utilization of this method, has well solved that base pit dewatering is not in place to lead to what part can not construct
Problem, the construction process is simple, easy to operate, working efficiency is high, dewatering effect is good, constructs to underplate concrete secure；It should
Dewatering process large area in the project is used, and is shortened the construction period, is improved the safety coefficient of deep basal pit operation, ensure that
The stability of excavation slope and the safety of Adjacent Buildings.
Description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, to embodiment or will show below
There is attached drawing needed in technology description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of invention, for those of ordinary skill in the art, without creative efforts, can be with
Other attached drawings are obtained according to these attached drawings.
Fig. 1 is the structural diagram of the present invention；
Fig. 2 is the structure diagram of steel tube well；
Fig. 3 is the structure diagram of fiber cloth binding；
Fig. 4 is the structure diagram of drilling device；
Fig. 5 is the schematic diagram that drilling device is set up；
Fig. 6 is structure diagram when drilling is advanced；
Fig. 7 is the schematic diagram for flumping pipe certainly by drilling device；
Fig. 8 is the structure diagram of steel tube well installation；
Fig. 9 is the structure diagram for installing deep well submerged pump；
Figure 10 is the structure diagram that examination is drawn water；
Figure 11 be Fig. 1 in A-A to structure diagram.
Specific embodiment
Below in conjunction with the attached drawing in the embodiment of the present invention, the technical solution in the embodiment of the present invention is carried out clear, complete
Site preparation describes, it is clear that described embodiment is only part of the embodiment of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, those of ordinary skill in the art are obtained every other under the premise of not making the creative labor
Embodiment shall fall within the protection scope of the present invention.
Water level device drops in a kind of sand geology steel tube well, and composition includes：Vertical drilling 7, steel tube well 9, electronic box 1, water storage
Pond 6, blinding layer 5 have poured blinding layer 5 around steel tube well 9, and steel tube well 9 is installed in vertical drilling 7, in steel tube well 9
Deep well submerged pump 10 is installed, deep well submerged pump 10 is powered by electricity, and deep well submerged pump 10 is connect with water pipe 4, and 4 other end of water pipe leads to
It crosses into cistern 6；Steel tube well 9 is made of seamless steel pipe, and several holes 12 staggeredly are longitudinally provided in steel tube well loop wall,
Two holes for hoist 11 are opened up in steel tube well one end, seal ring 3 is welded below hole for hoist 11, two layers of fiber is wrapped up on the outside of steel tube well
Cloth 13, and bound with binding silk 14, the binding closing of 13 bottom of fiber cloth.
Steel tube well 9 is using the seamless steel pipe of A220 × 5, and the fore-and-aft distance of hole 12 is 200mm, and seal ring 3 is 100mm wide,
The steel plate of 5mm thickness.
A kind of construction method of sand geology steel tube well drop water level device, step include：
a）According to the design drawing that Foundation Pit Support Design unit issues, well location measuring is carried out by survey crew for measurement and positioning,
And carry out review work, it is ensured that well location is accurate；
b）Drilling device makes and installation, and drilling device 19 is by A200mm × 5mm steel pipe I16 and A80mm × 5mm steel pipes
II17 is welded, internal run-through, and steel pipe I16 ends welding short steel rod 15, steel pipe II17 ends are connected with water pump 18, high pressure water
Drilling device 19 can be passed through；
c）Drilling, after first steel pipe II17 tops and water pump 18 are combined closely before drilling, then by drilling device（19）Frame
Designated position is located at, opens water pump 18, high pressure water is sent into the inside of drilling device 19, operating personnel are using pipe wrench 20 in rotation
Push drilling device 19 downwards；After certain depth is drilled into, it can be ensured using high pressure water impact power and the dead weight of drilling device 19
Drilling is smoothed out, and should ensure that 7 degree control of vertical drilling within 3% in boring procedure；
d）Install steel tube well, by the good steel tube well 9 of pre-production using tower crane 21 lifting be seated to construction finish it is vertical
In drilling 7；
e）Pumping equipment is installed, deep well submerged pump 10 is installed in steel tube well 9, hangs in drainage layer portion with rope during installation
Position 8, deep well submerged pump 10 are fixed above with well head, and deep well submerged pump 10, cable 2 reliably insulate with connector, every deep-well diving
Individually control switchs 10 setting one of pump；
f）It draws water, connects 1 power supply of electronic box, drive deep well submerged pump 10, first carry out examination pumping, water is pumped into cistern 6,
Start formally to draw water if water outlet is smooth, until water level is down to designed elevation；
G) blinding layer is constructed, the ground near steel tube well 9, casting concrete, and is smoothed out；
H) pump, shut-in well are removed, after concreting is completed 5 days, steel tube well foundation construction is closed, before shut-in well, is adopted
Manually deep well submerged pump 10 and water pipe are extracted out from steel tube well 9, termination of pumping, pumping pump time are short as possible, then using C40 coagulations
Soil carries out steel tube well closing.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all essences in the present invention
With within principle, any modification, equivalent replacement, improvement and so on should all be included in the protection scope of the present invention god.
Claims (2)
1. water level device drops in a kind of sand geology steel tube well, composition includes：Vertical drilling（7）, steel tube well（9）, electronic box（1）、
Cistern（6）, blinding layer（5）, steel tube well（9）Surrounding has poured blinding layer（5）, it is characterised in that：Steel tube well（9）Installation
To vertical drilling（7）In, in steel tube well（9）Interior installation deep well submerged pump（10）, deep well submerged pump（10）It is powered by electricity, deep-well
Immersible pump（10）With water pipe（4）Connection, water pipe（4）The other end is by arriving cistern（6）In；Steel tube well（9）By seamless steel pipe
It is made, several holes staggeredly is longitudinally provided in steel tube well loop wall（12）, two holes for hoist are opened up in steel tube well one end（11）,
In hole for hoist（11）Weld seal ring in lower section（3）, steel tube well outside two layers of fiber cloth of package（13）, and with binding silk（14）It ties up
It pricks, fiber cloth（13）Bottom binding closing；The construction method of the sand geology steel tube well drop water level device, step include：
a）According to the design drawing that Foundation Pit Support Design unit issues, well location measuring is carried out, and do by survey crew for measurement and positioning
Check work well, it is ensured that well location is accurate；
b）Drilling device makes and installation, drilling device（19）By A200mm × 5mm steel pipes I（16）With A80mm × 5mm steel pipes
II（17）It is welded, internal run-through, steel pipe I（16）End welding short steel rod（15）, steel pipe II（17）End and water pump
（18）It is connected, high-pressure hydraulic passes through drilling device（19）；
c）Drilling, first by steel pipe II before drilling（17）Top and water pump（18）After combining closely, then by drilling device（19）Frame
Designated position is located at, opens water pump（18）, to drilling device（19）High pressure water is sent into inside, and operating personnel utilize pipe wrench（20）Side
Rotation side pushes downwards drilling device（19）；After certain depth is drilled into, high pressure water impact power and drilling device are utilized（19）From
Weight can ensure that drilling is smoothed out, and vertical drilling is should ensure that in boring procedure（7）Degree control is within 3%；
d）Steel tube well is installed, by the good steel tube well of pre-production（9）Use tower crane（21）Lifting be seated to construction finish it is vertical
Drilling（7）In；
e）Pumping equipment is installed, by deep well submerged pump（10）It is installed to steel tube well（9）In, drainage layer portion is hung in rope during installation
Position（8）, deep well submerged pump（10）It is fixed above with well head, deep well submerged pump（10）, cable（2）It reliably insulate with connector, every
Deep well submerged pump（10）Individually control switchs for setting one；
f）It draws water, connects electronic box（1）Power supply drives deep well submerged pump（10）, examination pumping is first carried out, water is pumped into cistern（6）
In, start formally to draw water if water outlet is smooth, until water level is down to designed elevation；
G) blinding layer is constructed, in steel tube well（9）Neighbouring ground, casting concrete, and smooth out；
H) pump, shut-in well are removed, after concreting is completed 5 days, steel tube well foundation construction is closed, before shut-in well, using people
Work is by deep well submerged pump（10）With water pipe from steel tube well（9）Middle extraction, termination of pumping, pumping pump time are short as possible, then using C40 coagulations
Soil carries out steel tube well closing.
2. water level device drops in sand geology steel tube well according to claim 1, it is characterised in that：Steel tube well（9）Using
The seamless steel pipe of A220 × 5, hole（12）Fore-and-aft distance for 200mm, seal ring（3）For 100mm wide, the steel plate of 5mm thickness.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201610672740.9A CN106088123B (en) | 2016-08-16 | 2016-08-16 | A kind of sand geology steel tube well drop water level device and its construction method |
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| CN201610672740.9A CN106088123B (en) | 2016-08-16 | 2016-08-16 | A kind of sand geology steel tube well drop water level device and its construction method |
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| CN106088123B true CN106088123B (en) | 2018-06-29 |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106773871B (en) * | 2017-01-12 | 2019-07-09 | 山信软件股份有限公司 | A kind of long-range deep-well draws water control method and system |
| CN108825152B (en) * | 2018-05-10 | 2024-01-02 | 歌山建设集团有限公司 | Deep well anti-burying device and construction method thereof |
| CN110552361A (en) * | 2018-06-04 | 2019-12-10 | 中冶天工集团有限公司 | Pipe pile structure used as dewatering well |
| CN112049136B (en) * | 2020-07-23 | 2021-12-10 | 温州京久基础工程有限公司 | Foundation pit drainage device |
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| JPS60246914A (en) * | 1984-05-18 | 1985-12-06 | Ohbayashigumi Ltd | Method of draining water in ground under excavation |
| CN102051886A (en) * | 2011-01-24 | 2011-05-11 | 惠州市水电建筑工程有限公司 | Light well point drainage construction technology |
| CN203530996U (en) * | 2013-09-25 | 2014-04-09 | 杭州萧山路桥工程处 | Multi-well-point combined type precipitation facility |
| CN104563145A (en) * | 2015-01-21 | 2015-04-29 | 江苏盐城二建集团有限公司 | Rock foundation small guide pipe partial water level lowering device and implementation method thereof |
| CN104947680A (en) * | 2015-06-16 | 2015-09-30 | 乌海市公路工程有限公司 | Method for overwater bearing platform foundation pit excavation construction of quick sand stratum |
| CN105625445A (en) * | 2014-11-06 | 2016-06-01 | 五冶集团上海有限公司 | Foundation pit dewatering method in coastal sandy soil region |
-
2016
- 2016-08-16 CN CN201610672740.9A patent/CN106088123B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS60246914A (en) * | 1984-05-18 | 1985-12-06 | Ohbayashigumi Ltd | Method of draining water in ground under excavation |
| CN102051886A (en) * | 2011-01-24 | 2011-05-11 | 惠州市水电建筑工程有限公司 | Light well point drainage construction technology |
| CN203530996U (en) * | 2013-09-25 | 2014-04-09 | 杭州萧山路桥工程处 | Multi-well-point combined type precipitation facility |
| CN105625445A (en) * | 2014-11-06 | 2016-06-01 | 五冶集团上海有限公司 | Foundation pit dewatering method in coastal sandy soil region |
| CN104563145A (en) * | 2015-01-21 | 2015-04-29 | 江苏盐城二建集团有限公司 | Rock foundation small guide pipe partial water level lowering device and implementation method thereof |
| CN104947680A (en) * | 2015-06-16 | 2015-09-30 | 乌海市公路工程有限公司 | Method for overwater bearing platform foundation pit excavation construction of quick sand stratum |
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