CN106088123A - A kind of sand geology steel tube well fall water level device and construction method thereof - Google Patents
A kind of sand geology steel tube well fall water level device and construction method thereof Download PDFInfo
- Publication number
- CN106088123A CN106088123A CN201610672740.9A CN201610672740A CN106088123A CN 106088123 A CN106088123 A CN 106088123A CN 201610672740 A CN201610672740 A CN 201610672740A CN 106088123 A CN106088123 A CN 106088123A
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- Prior art keywords
- steel tube
- well
- tube well
- water
- deep
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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
- 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 fall water level device and construction method thereof, its composition includes: steel tube well (9), steel tube well (9) is installed in vertical drilling (7), deep well submerged pump (10) is installed in steel tube well (9), deep well submerged pump (10) is powered by electricity, deep well submerged pump (10) is connected with water pipe (4), and water pipe (4) other end is by cistern (6)；Longitudinally some staggered holes (12) are had at steel tube well loop wall, two holes for hoist (11) are offered in steel tube well one end, at hole for hoist (11) lower section welding seal ring (3), two-layer fiber cloth (13) is wrapped up outside steel tube well, and with colligation silk (14) colligation, fiber cloth (13) bottom colligation is closed.It provides the benefit that: flow process operation simple, easy, work efficiency height；Improve the safety coefficient of deep basal pit operation, it is ensured 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 fall water level device and construction party thereof
Method.
Background technology
During the construction of coastal cities, site soil layers is mainly by miscellaneous fill, silty clay, medium sand, flour sand, thick
Sand, fine sand etc. form.Groundwater type is mainly pore ground water and Bedrock Crevice Water, and pore ground water is mainly composed and is stored in foundation soil
1 laminin is banketed, in the hole of the 2nd layer of medium sand and the 3rd layer of flour sand, water-bearing layer thickness is big, and water penetration is preferable, and the water yield is abundanter, shallow
The groundwater level buried depth of layer of sand mesopore, portion diving is 0.28～1.82m.
Summary of the invention
The present invention solves problems of the prior art, propose a kind of sand geology steel tube well fall water level device and
Construction method.
The technical scheme is that and be achieved in that:
A kind of sand geology steel tube well fall water level device, its composition includes: vertical drilling (7), steel tube well (9), electronic box (1), storage
Pond (6), blinding layer (5), steel tube well (9) has around poured blinding layer (5), and steel tube well (9) is installed to vertical drilling (7)
In, deep well submerged pump (10) is installed in steel tube well (9), deep well submerged pump (10) powers by electricity, deep well submerged pump (10) and
Water pipe (4) connects, and water pipe (4) other end is by cistern (6)；Steel tube well (9) is made up of seamless steel pipe, at steel tube well
Loop wall longitudinally has some staggered holes (12), offers two holes for hoist (11) in steel tube well one end, in hole for hoist (11)
Lower section welding seal ring (3), wraps up two-layer fiber cloth (13) outside steel tube well, and by colligation silk (14) colligation, fiber cloth (13)
Bottom colligation is closed.
Steel tube well (9) uses A220 × 5 seamless steel pipe, and the fore-and-aft distance of hole (12) is 200mm, and seal ring (3) is
100mm width, the steel plate that 5mm is thick.
A kind of construction method of sand geology steel tube well fall water level device, its step includes:
A) measurement and positioning, the design drawing issued according to Foundation Pit Support Design unit, survey crew carry out well location measuring, and do
Check work well, it is ensured that well location is accurate；
B) rig makes and installs, and rig (19) is by A200mm × 5mm steel pipe I(16) and A80mm × 5mm steel pipe II
(17) be welded, internal run-through, steel pipe I(16) end welding short steel rod (15), steel pipe II(17) end and water pump (18) phase
Even, high-pressure hydraulic passes through rig (19)；
C) boring, first by steel pipe II(17 before boring) after top and water pump (18) combine closely, then by rig (19) frame
Being located at appointment position, open water pump (18), to rig (19) internal feeding water under high pressure, operator utilize pipe wrench (20) limit
Rotate limit and push downwards rig (19)；After being drilled into certain depth, utilize high pressure water impact power and rig (19) certainly
Heavily can ensure that boring is smoothed out, boring procedure should ensure that, vertical drilling (7) degree control is within 3%；
D) steel tube well is installed, the steel tube well (9) made in advance uses tower crane (21) lifting be seated to construct complete vertical
In boring (7)；
E) pumping equipment is installed, deep well submerged pump (10) is installed in steel tube well (9), during installation, hangs in drainage layer portion with rope
Position (8), deep well submerged pump (10) fixes with well head above, and deep well submerged pump (10), cable (2) reliably insulate with joint, every
Deep well submerged pump (10) arranges independent a control and switchs；
F) draw water, connect electronic box (1) power supply, drive deep well submerged pump (10), first carry out examination and take out, water is pumped into cistern (6)
In, if water outlet is smooth and easy, start formally to draw water, until water level is down to designed elevation；
G) blinding layer construction, the ground near steel tube well (9), casting concrete, and floating；
H) remove pump, shut-in well, after concreting completes 5 days, steel tube well foundation construction is closed, before shut-in well, use people
Deep well submerged pump (10) and water pipe are extracted out from steel tube well (9) by work, and termination of pumping, to take out the pump time the shortest, then uses C40 coagulation
Soil carries out steel tube well closing.
The invention has the beneficial effects as follows: the present invention by well-designed, plan and manage, smoothly complete basement bottom board
Steel tube well dewatering construction, by the utilization of the method, solves that base pit dewatering is not in place causes local to construct well
A difficult problem, this construction process is simple, easily operate, work efficiency is high, dewatering effect is good, secure to underplate concrete construction；Should
Dewatering process large area in this project is used, and shortens the construction period, improves the safety coefficient of deep basal pit operation, it is ensured that
The stability of excavation slope and the safety of Adjacent Buildings.
Accompanying drawing explanation
In order to be illustrated more clearly that the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
In having technology to describe, the required accompanying drawing used is briefly described, it should be apparent that, the accompanying drawing in describing below is only this
Some embodiments of invention, for those of ordinary skill in the art, on the premise of not paying creative work, it is also possible to
Other accompanying drawing is obtained according to these accompanying drawings.
Fig. 1 is the structural representation of the present invention；
Fig. 2 is the structural representation of steel tube well；
Fig. 3 is the structural representation of fiber cloth colligation；
Fig. 4 is the structural representation of rig；
Fig. 5 is the schematic diagram that rig sets up；
Fig. 6 is structural representation during boring traveling；
Fig. 7 is to rely on rig from the schematic diagram flumping pipe；
Fig. 8 is the structural representation that steel tube well is installed；
Fig. 9 is the structural representation installing deep well submerged pump；
Figure 10 is the structural representation that examination is drawn water；
Figure 11 be in Fig. 1 A-A to structural representation.
Detailed description of the invention
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Describe, it is clear that described embodiment is only a part of embodiment of the present invention rather than whole embodiments wholely.Based on
Embodiment in the present invention, it is every other that those of ordinary skill in the art are obtained under not paying creative work premise
Embodiment, broadly falls into the scope of protection of the invention.
A kind of sand geology steel tube well fall water level device, its composition includes: vertical drilling 7, steel tube well 9, electronic box 1, water-retention
Pond 6, blinding layer 5, pour blinding layer 5 around steel tube well 9, steel tube well 9 is installed in vertical drilling 7, in steel tube well 9
Installing deep well submerged pump 10, deep well submerged pump 10 is powered by electricity, and deep well submerged pump 10 is connected with water pipe 4, and water pipe 4 other end leads to
Cross in cistern 6；Steel tube well 9 is made up of seamless steel pipe, longitudinally has some staggered holes 12 at steel tube well loop wall,
Offer two holes for hoist 11 in steel tube well one end, below hole for hoist 11, weld seal ring 3, outside steel tube well, wrap up two-layer fiber
Cloth 13, and with colligation silk 14 colligation, bottom fiber cloth 13, colligation is closed.
Steel tube well 9 uses A220 × 5 seamless steel pipe, the fore-and-aft distance of hole 12 to be 200mm, and seal ring 3 is 100mm width,
The steel plate that 5mm is thick.
A kind of construction method of sand geology steel tube well fall water level device, its step includes:
A) measurement and positioning, the design drawing issued according to Foundation Pit Support Design unit, survey crew carry out well location measuring, and do
Check work well, it is ensured that well location is accurate；
B) rig makes and installs, and rig 19 is by A200mm × 5mm steel pipe I16 and A80mm × 5mm steel pipe II17 weldering
Connecing and form, internal run-through, steel pipe I16 end welding short steel rod 15, steel pipe II17 end is connected with water pump 18, and high-pressure hydraulic is smooth
By rig 19；
C) boring, after first steel pipe II17 top and water pump 18 being combined closely, is then erected at rig (19) before boring
Specifying position, open water pump 18, to rig 19 internal feeding water under high pressure, operator utilize rotation limit, pipe wrench 20 limit downward
Push rig 19；After being drilled into certain depth, utilize high pressure water impact power and rig 19 deadweight can ensure boring
It is smoothed out, boring procedure should ensure that, vertical drilling 7 degree control is within 3%；
D) steel tube well is installed, the steel tube well 9 made in advance uses tower crane 21 lifting be seated to the vertical drilling 7 constructing complete
In；
E) pumping equipment is installed, deep well submerged pump 10 is installed in steel tube well 9, during installation, hangs in drainage layer position 8 with rope,
Deep well submerged pump 10 is fixed with well head above, and deep well submerged pump 10, cable 2 reliably insulate with joint, every deep well submerged pump 10
Arrange independent a control to switch；
F) draw water, connect electronic box 1 power supply, drive deep well submerged pump 10, first carrying out examination and take out, water being pumped in cistern 6, if going out
Water is smooth and easy, starts formally to draw water, until water level is down to designed elevation；
G) blinding layer construction, the ground near steel tube well 9, casting concrete, and floating；
H) remove pump, shut-in well, after concreting completes 5 days, steel tube well foundation construction is closed, before shut-in well, use people
Deep well submerged pump 10 and water pipe are extracted out from steel tube well 9 by work, and termination of pumping, to take out the pump time the shortest, then uses C40 concrete to enter
Row steel tube well is closed.
The foregoing is only presently preferred embodiments of the present invention, not in order to limit the present invention, all essences in the present invention
Within god and principle, any modification, equivalent substitution and improvement etc. made, should be included within the scope of the present invention.
Claims (3)
1. sand geology steel tube well fall a water level device, its composition includes: vertical drilling (7), steel tube well (9), electronic box (1),
Cistern (6), blinding layer (5), steel tube well (9) has around poured blinding layer (5), it is characterised in that: steel tube well (9) is installed
In vertical drilling (7), installing deep well submerged pump (10) in steel tube well (9), deep well submerged pump (10) is powered by electricity, deep-well
Immersible pump (10) is connected with water pipe (4), and water pipe (4) other end is by cistern (6)；Steel tube well (9) is by seamless steel pipe
Make, longitudinally have some staggered holes (12) at steel tube well loop wall, offer two holes for hoist (11) in steel tube well one end,
At hole for hoist (11) lower section welding seal ring (3), wrap up two-layer fiber cloth (13) outside steel tube well, and tie up with colligation silk (14)
Pricking, fiber cloth (13) bottom colligation is closed.
Sand geology steel tube well the most according to claim 1 fall water level device, it is characterised in that: steel tube well (9) uses
A220 × 5 seamless steel pipe, the fore-and-aft distance of hole (12) is 200mm, and seal ring (3) is 100mm width, the steel plate that 5mm is thick.
3. a construction method for sand geology steel tube well fall water level device, its step includes:
A) measurement and positioning, the design drawing issued according to Foundation Pit Support Design unit, survey crew carry out well location measuring, and do
Check work well, it is ensured that well location is accurate；
B) rig makes and installs, and rig (19) is by A200mm × 5mm steel pipe I(16) and A80mm × 5mm steel pipe II
(17) be welded, internal run-through, steel pipe I(16) end welding short steel rod (15), steel pipe II(17) end and water pump (18) phase
Even, high-pressure hydraulic passes through rig (19)；
C) boring, first by steel pipe II(17 before boring) after top and water pump (18) combine closely, then by rig (19) frame
Being located at appointment position, open water pump (18), to rig (19) internal feeding water under high pressure, operator utilize pipe wrench (20) limit
Rotate limit and push downwards rig (19)；After being drilled into certain depth, utilize high pressure water impact power and rig (19) certainly
Heavily can ensure that boring is smoothed out, boring procedure should ensure that, vertical drilling (7) degree control is within 3%；
D) steel tube well is installed, the steel tube well (9) made in advance uses tower crane (21) lifting be seated to construct complete vertical
In boring (7)；
E) pumping equipment is installed, deep well submerged pump (10) is installed in steel tube well (9), during installation, hangs in drainage layer portion with rope
Position (8), deep well submerged pump (10) fixes with well head above, and deep well submerged pump (10), cable (2) reliably insulate with joint, every
Deep well submerged pump (10) arranges independent a control and switchs；
F) draw water, connect electronic box (1) power supply, drive deep well submerged pump (10), first carry out examination and take out, water is pumped into cistern (6)
In, if water outlet is smooth and easy, start formally to draw water, until water level is down to designed elevation；
G) blinding layer construction, the ground near steel tube well (9), casting concrete, and floating；
H) remove pump, shut-in well, after concreting completes 5 days, steel tube well foundation construction is closed, before shut-in well, use people
Deep well submerged pump (10) and water pipe are extracted out from steel tube well (9) by work, and termination of pumping, to take out the pump time the shortest, then uses C40 coagulation
Soil carries out steel tube well closing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| 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 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| 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 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106088123A true CN106088123A (en) | 2016-11-09 |
| CN106088123B CN106088123B (en) | 2018-06-29 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610672740.9A Active 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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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106773871A (en) * | 2017-01-12 | 2017-05-31 | 山信软件股份有限公司 | A kind of long-range deep-well draws water control method and system |
| CN108825152A (en) * | 2018-05-10 | 2018-11-16 | 歌山建设集团有限公司 | A kind of deep-well is anti-to bury device and its method for construction |
| 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 |
| CN112049136A (en) * | 2020-07-23 | 2020-12-08 | 温州京久基础工程有限公司 | Foundation pit drainage device |
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| 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 |
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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 |
| 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 |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106773871A (en) * | 2017-01-12 | 2017-05-31 | 山信软件股份有限公司 | A kind of long-range deep-well draws water control method and system |
| 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 |
| CN108825152A (en) * | 2018-05-10 | 2018-11-16 | 歌山建设集团有限公司 | A kind of deep-well is anti-to bury device and its method for construction |
| 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 |
| CN112049136A (en) * | 2020-07-23 | 2020-12-08 | 温州京久基础工程有限公司 | Foundation pit drainage device |
| 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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| Publication number | Publication date |
|---|---|
| CN106088123B (en) | 2018-06-29 |
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