CN101749028A - Cross-pulling construction method for soft soil zone with high ground water level - Google Patents
Cross-pulling construction method for soft soil zone with high ground water level Download PDFInfo
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- CN101749028A CN101749028A CN200810204657A CN200810204657A CN101749028A CN 101749028 A CN101749028 A CN 101749028A CN 200810204657 A CN200810204657 A CN 200810204657A CN 200810204657 A CN200810204657 A CN 200810204657A CN 101749028 A CN101749028 A CN 101749028A
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Abstract
A cross-pulling construction method for soft soil zone with high ground water level relates to the technical field of underground construction, and aims to solve the technical problem of non-excavating construction in the soft soil zone with high ground water level. The construction method comprises the following steps: 1) setting working wells on the underground on the two ends of a pipe culvert with a well drilling method and a drop shaft sinking method; 2) laying reinforcing steel bars or wire ropes between two work shafts with a horizontal directional drilling technology along the object axes; 3) inlaying precipitation well point pipes between two ground working wells along the project axes; 4) using the two noses on the two ends of the pipe culvert to make the noses and the standard pipe culvert pipe sections on the two sides continuously and oppositely advance in pair; 5) precipitating for the well point pipe which is positioned between the horizontal pipe culverts and adjacent to the pipe culvert; 6) cross-pulling the horizontal pipe culverts to advance to the position of the well point pipe, and pulling out the well point pipe; and 7) cross-pulling the horizontal pipe culverts: continuing the step 4) and the step 6) in cycle until the successful butt join of the pipe culverts. The invention has the characteristic of ensuring the safety of underground construction.
Description
Technical field
The present invention relates to the underground construction technology, particularly relate to a kind of non-excavation of the high soft clay area of groundwater table that is used for drawing construction technology.
Background technology
The underground pipe culvert of construction generally is to adopt cut and cover method, pipe jacking method etc. at present.Wherein cut and cover method has simple, quick, economic, the safe advantage of construction, and the engineering development initial stages such as city subterranean tunnel, its shortcoming was that excavation is bigger to the influence of surrounding environment all its excavation technology as first-selection.Though and can avoid some shortcomings in the open cut as the pipe jacking method in the hidden construction process, but himself also has some shortcomings: its active well will lean on the back to provide counter-force by wall, and the active well size will satisfy tube coupling length, jacking jack and back guiding ruler cun sum, and the active well size is bigger, the cost height.
Patent of invention CN 1693668A disclose a kind of underground pipe culvert linear dark digging to pulling method, it mainly is to adopt drawing two heads that are positioned at the two ends of desiring the tunneling pipe culvert to reach the method for the pipe culvert tube coupling after being connected separately, the head that makes both sides and standard pipe culvert pipe joint along axis direction continuously, in pairs, march forward mutually, until joint is finished.This method only adopted in the low pan soil zone of groundwater table at present, and for the high soft clay area of groundwater table, the safety that how to guarantee to cut the earth under water environment is not then considered.
Summary of the invention
At the defective that exists in the above-mentioned prior art, technical problem to be solved by this invention provides a kind of non-excavating construction method that is used for the high soft clay area of groundwater table that can guarantee underground construction safety.
In order to solve the problems of the technologies described above, a kind of non-excavating construction method that is used for the high soft clay area of groundwater table provided by the present invention is characterized in that construction method step comprises:
1) adopts boring method or drop shaft sinking the underground active well that is provided with at the pipe culvert two ends;
2) between two active wells, utilize the horizontal directional drill construction technology to lay bar reinforcement or cable wire along the engineering axis; Bar reinforcement or cable wire two ends active well in establish head respectively;
3) between two active wells of ground, bury precipitation well point pipe underground along the engineering axis direction: the depth of burying of pipe culvert under the base area, select the suitable precipitation mode and the suitable well point pipe depth of burying;
4) horizontal pipe culvert is in opposite directions to drawing: utilize head that two heads at the two ends of pipe culvert make both sides and standard pipe culvert pipe joint along axis direction continuously, in pairs, march forward mutually;
5) the well point pipe precipitation of next-door neighbour's pipe culvert between horizontal pipe culvert: when two heads at pipe culvert two ends advance to the pipe place, well point of the most close Starting Well, begin the construction of drawing water of this well point pipe, the safety of guaranteeing to cut the earth; Water level in the observation well point pipe treats in the well that water level reduces at the bottom of the pipe culvert under the absolute altitude, then continues horizontal pipe culvert drawing;
6) pull out the well point pipe that horizontal pipe culvert moves the place ahead: horizontal pipe culvert advances to well point Guan Chu to drawing, and then pulls out this with the well point pipe;
7) horizontal pipe culvert is to drawing: continue step 4) to 6) construction, go round and begin again, dock successfully until pipe culvert.
Utilize the non-excavating construction method that is used for the high soft clay area of groundwater table provided by the invention, because the horizontal pipe culvert of employing is to drawing the method for constructing synchronously with precipitation well point pipe, guaranteed construction safety, thereby realized underground pipe culvert linear dark digging construction in soft clay area at the non-excavation of underground pipe culvert straight line of the high soft clay area of groundwater table.
Description of drawings
Fig. 1 is the technology top plan view of the embodiment of the invention before the tunneling construction;
Fig. 2 is the technology section plan of the embodiment of the invention before the tunneling construction;
Fig. 3 is the technology section plan of the embodiment of the invention in the tunneling construction;
Fig. 4 level that is the embodiment of the invention in the tunneling construction is to the schematic diagram of drawing device.
The specific embodiment
Below in conjunction with description of drawings embodiments of the invention are described in further detail, but present embodiment is not limited to the present invention, every employing similarity method of the present invention and similar variation thereof all should be listed protection scope of the present invention in.
By Fig. 1-shown in Figure 3, the embodiment of the invention provided a kind of be used for the high underground pipe culvert of soft clay area of groundwater table the non-excavating construction method, adopt following steps:
1) adopt boring method or drop shaft sinking the underground active well 1,2 that is provided with at the pipe culvert two ends:
2) utilize the horizontal directional drill construction technology to lay bar reinforcement or cable wire along the engineering axis 1,2 of two active wells, one of them Starting Well well of working; Promptly utilize horizontal directional drilling machine to lay bar reinforcement or cable wire along horizontal pipe culvert passage axis direction, earlier that rig is in place, the pilot hole of constructing then, the length of starter when promptly basis is crept into, on bar reinforcement or position, cable wire hole, manually dig hole in advance, construction guidance hole next, the expansion of holing back, be that sleeve pipe returns and drags at last, sleeve pipe is the passage lanes of bar reinforcement or cable wire 4;
3) between two active wells of ground, bury precipitation well point pipe 6 underground along the engineering axis direction; The depth of burying of pipe culvert under the base area is selected the suitable precipitation mode and the suitable well point pipe depth of burying;
4) utilize the level at pipe culvert two ends that drawing device (is comprised jack group, head, with the corresponding bar reinforcement of jack group or cable wire group and bar reinforcement or the white locking device of cable wire) 3 uninterruptedly at the uniform velocity (promptly to utilize and carve the self-lock mechanism of arranging before and after the type moveable anchor group to drawing, the reciprocating motion of jack is become the one-way movement of bar reinforcement or cable wire, make two heads and be connected after pipe culvert tube coupling 5 continuously, in pairs, in opposite directions to drawing in into the stratum);
5) horizontal pipe culvert is to being pulled through in the journey, utilize active well 1,2 to be unearthed, after the both sides head front end soil body is excavated, promptly utilize level drawing device to be contained two heads at two ends to trombone slide, when two heads arrive that 6 places are managed in the well point of close active well, begin the construction of drawing water of this well point pipe, guarantee the safety of cutting the earth;
6) water levels in the observation well point pipe 6 treat in the hole that water level reduces at the bottom of the pipe culvert under the absolute altitude, then continue 5 pairs of horizontal pipe culverts are drawn;
7) horizontal pipe culvert advances to the well point and manages 6 places drawing, and then pulls out this with well point pipe 6;
8) pull out well point pipe 6 after, continue to go round and begin again to drawing horizontal pipe culvert 5, dock successfully until pipe culvert 5.
Claims (1)
- One kind be used for the high soft clay area of groundwater table to pulling construction method, it is characterized in that construction method step comprises:1) adopts boring method or drop shaft sinking the underground active well that is provided with at the pipe culvert two ends;2) between two active wells, utilize the horizontal directional drill construction technology to lay bar reinforcement or cable wire along the engineering axis; Bar reinforcement or cable wire two ends active well in establish head respectively;3) between two active wells of ground, bury precipitation well point pipe underground along the engineering axis direction: the depth of burying of pipe culvert under the base area, select the suitable precipitation mode and the suitable well point pipe depth of burying;4) horizontal pipe culvert is in opposite directions to drawing: utilize head that two heads at the two ends of pipe culvert make both sides and standard pipe culvert pipe joint along axis direction continuously, in pairs, march forward mutually;5) the well point pipe precipitation of next-door neighbour's pipe culvert between horizontal pipe culvert: when two heads at pipe culvert two ends advance to the pipe place, well point of the most close Starting Well, begin the construction of drawing water of this well point pipe, the safety of guaranteeing to cut the earth; Water level in the observation well point pipe treats in the well that water level reduces at the bottom of the pipe culvert under the absolute altitude, then continues horizontal pipe culvert drawing;6) pull out the well point pipe that horizontal pipe culvert moves the place ahead: horizontal pipe culvert advances to well point Guan Chu to drawing, and then pulls out this with the well point pipe;7) horizontal pipe culvert is to drawing: continue step 4) to 6) construction, go round and begin again, dock successfully until pipe culvert.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200810204657 CN101749028B (en) | 2008-12-16 | 2008-12-16 | Cross-pulling construction method for soft soil zone with high ground water level |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200810204657 CN101749028B (en) | 2008-12-16 | 2008-12-16 | Cross-pulling construction method for soft soil zone with high ground water level |
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| Publication Number | Publication Date |
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| CN101749028A true CN101749028A (en) | 2010-06-23 |
| CN101749028B CN101749028B (en) | 2013-05-29 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN 200810204657 Active CN101749028B (en) | 2008-12-16 | 2008-12-16 | Cross-pulling construction method for soft soil zone with high ground water level |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103982187A (en) * | 2014-05-26 | 2014-08-13 | 马莎 | Sinking drum reinforcing device for shaft construction |
| CN104963705A (en) * | 2015-07-20 | 2015-10-07 | 上海市机械施工集团有限公司 | Underground space excavating and constructing method |
| CN105257299A (en) * | 2015-11-04 | 2016-01-20 | 中铁十八局集团有限公司 | Slurry-balanced pipe jacking machine receiving device and technology under high water condition |
| CN106437728A (en) * | 2016-07-05 | 2017-02-22 | 上海建工二建集团有限公司 | Combined type pressure reduction well casing used for shield excavation interval and mounting method of combined type pressure reduction well casing |
| CN108843888A (en) * | 2018-07-25 | 2018-11-20 | 广东科朗管道修复技术有限公司 | Pipeline is to drawing prosthetic device and its restorative procedure |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| KR100628432B1 (en) * | 2000-06-27 | 2006-09-27 | 주식회사 케이티 | Non-open cut pipe installation method |
| JP2004308323A (en) * | 2003-04-09 | 2004-11-04 | Ohbayashi Corp | Construction method for underground bypass passage |
| CN100529329C (en) * | 2005-05-25 | 2009-08-19 | 余彬泉 | Socket shield machine construction method |
| CN101205724B (en) * | 2006-12-19 | 2010-09-15 | 朴斗绪 | Prefabricated concrete box culvert using grouting method and bidirectional anchoring system as well as mounting structure and method thereof |
| CN201065505Y (en) * | 2007-07-10 | 2008-05-28 | 宏润建设集团股份有限公司 | Box culvert error-correcting device |
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2008
- 2008-12-16 CN CN 200810204657 patent/CN101749028B/en active Active
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103982187A (en) * | 2014-05-26 | 2014-08-13 | 马莎 | Sinking drum reinforcing device for shaft construction |
| CN104963705A (en) * | 2015-07-20 | 2015-10-07 | 上海市机械施工集团有限公司 | Underground space excavating and constructing method |
| CN104963705B (en) * | 2015-07-20 | 2017-10-27 | 上海市机械施工集团有限公司 | A kind of underground space tunneling construction method |
| CN105257299A (en) * | 2015-11-04 | 2016-01-20 | 中铁十八局集团有限公司 | Slurry-balanced pipe jacking machine receiving device and technology under high water condition |
| CN105257299B (en) * | 2015-11-04 | 2017-05-17 | 中铁十八局集团有限公司 | Slurry-balanced pipe jacking machine receiving device and technology under high water condition |
| CN106437728A (en) * | 2016-07-05 | 2017-02-22 | 上海建工二建集团有限公司 | Combined type pressure reduction well casing used for shield excavation interval and mounting method of combined type pressure reduction well casing |
| CN106437728B (en) * | 2016-07-05 | 2018-08-21 | 上海建工二建集团有限公司 | Combined type for shield driving section is depressured well casing and its installation method |
| CN108843888A (en) * | 2018-07-25 | 2018-11-20 | 广东科朗管道修复技术有限公司 | Pipeline is to drawing prosthetic device and its restorative procedure |
| CN108843888B (en) * | 2018-07-25 | 2023-12-26 | 广东科朗管网技术有限公司 | Pipeline opposite-pull repairing device and repairing method thereof |
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| Publication number | Publication date |
|---|---|
| CN101749028B (en) | 2013-05-29 |
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Address after: 200233 Shanghai city Qingpu District No. 599 new road, building 1, room 869 Patentee after: SHANGHAI GUANGLIAN ENVIRONMENTAL & GEOTECHNICAL ENGINEERING CO., LTD. Address before: 200233 Shanghai city Qingpu District No. 599 new road, building 1, room 869 Patentee before: Shanghai Guanglian Building Development Co., Ltd. |