CN105625447A - Plugging construction method for underground structure in soft soil area - Google Patents
Plugging construction method for underground structure in soft soil area Download PDFInfo
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- CN105625447A CN105625447A CN201410827310.0A CN201410827310A CN105625447A CN 105625447 A CN105625447 A CN 105625447A CN 201410827310 A CN201410827310 A CN 201410827310A CN 105625447 A CN105625447 A CN 105625447A
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Abstract
The invention discloses a plugging construction method for an underground structure in a soft soil area. The plugging construction method for the underground structure in the soft soil area is characterized by adopting a method that the mixed solution of high-permeability modified epoxy resin, oil-soluble polyurethane and water-soluble polyurethane is used, long needle heads and short needle heads are embedded through drilling, the polyurethane is injected by the short needle heads at first, and then the high-permeability modified epoxy resin is injected by the long needle heads; the oil-soluble polyurethane and the water-soluble polyurethane are used for a leaked part in a proportion of (2 to 1): 1; during drilling for the long needle heads and the short needle heads, holes are formed at shallow hole points at intervals of 5-8cm from a gap, and formed slantwise at deep hole points at intervals of 8-10cm from the gap; the arrangement distances of the drilled points are set that deep holes and shallow holes are alternately formed, arranged along the two sides of the gap in a staggered and in the form of a quincunx, and closely arranged at the broken and forked parts of the gap; and drilling dip angles are set that the holes are arranged in a crossing manner and at angles of 45-75 degrees with the section of the gap, the drilled holes and the gap are intersected, and the deep holes penetrate through the gap. The plugging construction method for the underground structure in the soft soil area, which is disclosed by the invention, has the advantages of being simple and convenient to construct, and high in the effect of leakage water plugging for the underground structure in the soft soil area.
Description
Technical field
The present invention relates to Underground Construction field, particularly to a kind of soft clay area underground structure leak-blocking construction method.
Background technology
Along with the utilization of continually developing of urban underground space, the percolating water phenomenon ubiquity of underground agent structure, construction quality and the large effect that come into operation in later stage to engineering. In the past frequently with method in conjunction with modified epoxy of polyurethane or polyurethane in structure blocking construction, though blocking speed is fast, instant effect, but easily cause Concrete In Structures damages, poor durability, again leakage phenomenon seriously and structural strengthening effect is poor, somewhat expensive.
Through the literature search to prior art, employing oil-soluble is not yet had to be combined use with the mixed liquor of soluble polyurethane, Thief zone modified epoxy, length syringe needle is buried in punching underground, and hour hand head first injects polyurethane, injects the blocking method of Thief zone modified epoxy after minute hand head.
Summary of the invention
The invention aims to the difficult point for soft clay area underground structure Treatment Measures to Leakage, in order to administer the seepage of underground structure preferably, ensure the construction quality of agent structure and come into operation, propose plugging effect better, the construction method that expense is relatively low, spy provides a kind of soft clay area underground structure leak-blocking construction method.
The invention provides a kind of soft clay area underground structure leak-blocking construction method, it is characterized in that: described soft clay area underground structure leak-blocking construction method, adopt Thief zone modified epoxy, the mixed liquor of oil-soluble and soluble polyurethane, length syringe needle is buried in punching underground, hour hand head first injects polyurethane, injects Thief zone modified epoxy method, reach the effect of leak stopping after minute hand head.
The position of seepage, adopts the proportioning of oil soluble polyurethane and soluble polyurethane 2��1:1.
During the punching of long and short syringe needle, shallow bore hole point and crack answer interval 5��8cm to carry out pore-forming, hole depth 10��15cm; Deep hole point and the oblique pore-forming of crack interval 8��10cm, hole depth 20��25cm;
A boring point arrangement pitch: deep, shallow bore hole is alternate carries out, between 20��30cm, along both sides, crack blossom type interlaced arrangement; Crack disconnects, branched portion bit encryption.
Dip angle of hole: hole becomes 45-75 �� of arranged crosswise with crack section, is holed and is intersected with crack, and deep hole is through crack.
When the described syringe needle in blocking method is buried underground, will first carrying out the process of clear hole, be cleaned out by the mud in hole with hairbrush, then install Water slop injector, Water slop injector is divided into 10cm, 20cm two kinds.
In described blocking method, reperfusion serosity should carry out from bottom to top from structural facades, first shallow bore hole syringe needle filling polyurethane mixed liquor is selected, should stop immediately when serosity is emerged from crack, after in first time, shallow syringe needle note reunites urethane, two hours, interval, carries out the perfusion of Thief zone epoxy resin loss circulation material at the minute hand head buried underground.
Advantages of the present invention:
Soft clay area of the present invention underground structure leak-blocking construction method, easy construction, soft clay area underground structure infiltration water collision is respond well.
Accompanying drawing explanation
Below in conjunction with drawings and the embodiments, the present invention is further detailed explanation:
Fig. 1 is that schematic diagram buried underground by patent syringe needle of the present invention.
Fig. 2 is process flow chart of the present invention.
Detailed description of the invention
Embodiment 1
Present embodiments provide a kind of soft clay area underground structure leak-blocking construction method, it is characterized in that: described soft clay area underground structure leak-blocking construction method, adopt Thief zone modified epoxy, the mixed liquor of oil-soluble and soluble polyurethane, length syringe needle is buried in punching underground, hour hand head first injects polyurethane, injects Thief zone modified epoxy method, reach the effect of leak stopping after minute hand head.
The position of seepage, adopts the proportioning of oil soluble polyurethane and soluble polyurethane 2:1.
During the punching of long and short syringe needle, shallow bore hole point and crack answer interval 5cm to carry out pore-forming, hole depth 10cm; Deep hole point and the oblique pore-forming of crack interval 8cm, hole depth 20cm;
A boring point arrangement pitch: deep, shallow bore hole is alternate carries out, between 20cm, along both sides, crack blossom type interlaced arrangement; Crack disconnects, branched portion bit encryption.
Dip angle of hole: hole and crack section arranged crosswise at 45 ��, is holed and is intersected with crack, and deep hole is through crack.
When the described syringe needle in blocking method is buried underground, will first carrying out the process of clear hole, be cleaned out by the mud in hole with hairbrush, then install Water slop injector, Water slop injector is divided into 10cm, 20cm two kinds.
In described blocking method, reperfusion serosity should carry out from bottom to top from structural facades, first shallow bore hole syringe needle filling polyurethane mixed liquor is selected, should stop immediately when serosity is emerged from crack, after in first time, shallow syringe needle note reunites urethane, two hours, interval, carries out the perfusion of Thief zone epoxy resin loss circulation material at the minute hand head buried underground.
Embodiment 2
Present embodiments provide a kind of soft clay area underground structure leak-blocking construction method, it is characterized in that: described soft clay area underground structure leak-blocking construction method, adopt Thief zone modified epoxy, the mixed liquor of oil-soluble and soluble polyurethane, length syringe needle is buried in punching underground, hour hand head first injects polyurethane, injects Thief zone modified epoxy method, reach the effect of leak stopping after minute hand head.
The position of seepage, adopts the proportioning of oil soluble polyurethane and soluble polyurethane 2:1.
During the punching of long and short syringe needle, shallow bore hole point and crack answer interval 5��8cm to carry out pore-forming, hole depth 12cm; Deep hole point and the oblique pore-forming of crack interval 9cm, hole depth 25cm;
A boring point arrangement pitch: deep, shallow bore hole is alternate carries out, between 20��30cm, along both sides, crack blossom type interlaced arrangement; Crack disconnects, branched portion bit encryption.
Dip angle of hole: hole becomes 60 �� of arranged crosswise with crack section, is holed and intersects with crack, deep hole is through crack.
When the described syringe needle in blocking method is buried underground, will first carrying out the process of clear hole, be cleaned out by the mud in hole with hairbrush, then install Water slop injector, Water slop injector is divided into 10cm, 20cm two kinds.
In described blocking method, reperfusion serosity should carry out from bottom to top from structural facades, first shallow bore hole syringe needle filling polyurethane mixed liquor is selected, should stop immediately when serosity is emerged from crack, after in first time, shallow syringe needle note reunites urethane, two hours, interval, carries out the perfusion of Thief zone epoxy resin loss circulation material at the minute hand head buried underground.
Embodiment 3
Present embodiments provide a kind of soft clay area underground structure leak-blocking construction method, it is characterized in that: described soft clay area underground structure leak-blocking construction method, adopt Thief zone modified epoxy, the mixed liquor of oil-soluble and soluble polyurethane, length syringe needle is buried in punching underground, hour hand head first injects polyurethane, injects Thief zone modified epoxy method, reach the effect of leak stopping after minute hand head.
The position of seepage, adopts the proportioning of oil soluble polyurethane and soluble polyurethane 1:1.
During the punching of long and short syringe needle, shallow bore hole point and crack answer interval 8cm to carry out pore-forming, hole depth 15cm; Deep hole point and the oblique pore-forming of crack interval 10cm, hole depth 25cm;
A boring point arrangement pitch: deep, shallow bore hole is alternate carries out, in 30cm distance, along both sides, crack blossom type interlaced arrangement; Crack disconnects, branched portion bit encryption.
Dip angle of hole: hole becomes 75 �� of arranged crosswise with crack section, is holed and intersects with crack, deep hole is through crack.
When the described syringe needle in blocking method is buried underground, will first carrying out the process of clear hole, be cleaned out by the mud in hole with hairbrush, then install Water slop injector, Water slop injector is divided into 10cm, 20cm two kinds.
In described blocking method, reperfusion serosity should carry out from bottom to top from structural facades, first shallow bore hole syringe needle filling polyurethane mixed liquor is selected, should stop immediately when serosity is emerged from crack, after in first time, shallow syringe needle note reunites urethane, two hours, interval, carries out the perfusion of Thief zone epoxy resin loss circulation material at the minute hand head buried underground.
Claims (4)
1. a soft clay area underground structure leak-blocking construction method, it is characterized in that: described soft clay area underground structure leak-blocking construction method, adopt Thief zone modified epoxy, the mixed liquor of oil-soluble and soluble polyurethane, length syringe needle is buried in punching underground, hour hand head first injects polyurethane, injects Thief zone modified epoxy method after minute hand head.
2. the soft clay area underground structure leak-blocking construction method described in claim 1, it is characterised in that: the position of seepage, adopt the proportioning of oil soluble polyurethane and soluble polyurethane 2��1:1.
3. the soft clay area underground structure leak-blocking construction method described in claim 1, it is characterised in that: during the punching of long and short syringe needle, shallow bore hole point and crack answer interval 5��8cm to carry out pore-forming, hole depth 10��15cm; Deep hole point and the oblique pore-forming of crack interval 8��10cm, hole depth 20��25cm;
A boring point arrangement pitch: deep, shallow bore hole is alternate carries out, between 20��30cm, along both sides, crack blossom type interlaced arrangement; Crack disconnects, branched portion bit encryption.
Dip angle of hole: hole becomes 45-75 �� of arranged crosswise with crack section, is holed and is intersected with crack, and deep hole is through crack.
4. the soft clay area underground structure leak-blocking construction method described in claim 1, it is characterized in that: when the described syringe needle in blocking method is buried underground, first to carry out the process of clear hole, with hairbrush, the mud in hole is cleaned out, then installing Water slop injector, Water slop injector is divided into 10cm, 20cm two kinds.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410827310.0A CN105625447A (en) | 2014-12-26 | 2014-12-26 | Plugging construction method for underground structure in soft soil area |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410827310.0A CN105625447A (en) | 2014-12-26 | 2014-12-26 | Plugging construction method for underground structure in soft soil area |
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| CN105625447A true CN105625447A (en) | 2016-06-01 |
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| CN201410827310.0A Pending CN105625447A (en) | 2014-12-26 | 2014-12-26 | Plugging construction method for underground structure in soft soil area |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105442862A (en) * | 2015-11-19 | 2016-03-30 | 江苏鼎达建筑新技术有限公司 | Method for leakage water plugging, strengthening and repairing against concrete crack |
| CN108517899A (en) * | 2018-05-28 | 2018-09-11 | 深圳市工勘岩土集团有限公司 | Mouth high-pressure grouting leak stopping processing method is buried in the leakage drilling of deep basal pit diaphram wall |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4859064B2 (en) * | 2007-10-22 | 2012-01-18 | 首都高速道路株式会社 | Sealing method for civil engineering work |
| CN103174112A (en) * | 2013-03-28 | 2013-06-26 | 葛洲坝集团试验检测有限公司 | Grouting method of penetrability concrete cracks |
| CN103643657A (en) * | 2013-12-24 | 2014-03-19 | 中国水电十一局郑州科研设计有限公司 | Deep-hole chemical grouting construction method applied to water leakage treatment of hydroelectric dam |
| CN103898873A (en) * | 2014-03-25 | 2014-07-02 | 安徽水安建设集团股份有限公司 | Water seepage plugging construction method of shaft construction seams under high water head |
| CN104234090A (en) * | 2014-09-04 | 2014-12-24 | 江苏南通三建集团有限公司 | Method for treating crack water seepage of concrete floor and wall body |
-
2014
- 2014-12-26 CN CN201410827310.0A patent/CN105625447A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4859064B2 (en) * | 2007-10-22 | 2012-01-18 | 首都高速道路株式会社 | Sealing method for civil engineering work |
| CN103174112A (en) * | 2013-03-28 | 2013-06-26 | 葛洲坝集团试验检测有限公司 | Grouting method of penetrability concrete cracks |
| CN103643657A (en) * | 2013-12-24 | 2014-03-19 | 中国水电十一局郑州科研设计有限公司 | Deep-hole chemical grouting construction method applied to water leakage treatment of hydroelectric dam |
| CN103898873A (en) * | 2014-03-25 | 2014-07-02 | 安徽水安建设集团股份有限公司 | Water seepage plugging construction method of shaft construction seams under high water head |
| CN104234090A (en) * | 2014-09-04 | 2014-12-24 | 江苏南通三建集团有限公司 | Method for treating crack water seepage of concrete floor and wall body |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105442862A (en) * | 2015-11-19 | 2016-03-30 | 江苏鼎达建筑新技术有限公司 | Method for leakage water plugging, strengthening and repairing against concrete crack |
| CN105442862B (en) * | 2015-11-19 | 2018-02-27 | 江苏鼎达建筑新技术有限公司 | A kind of distress in concrete infiltration water collision reinforcement and repair method |
| CN108517899A (en) * | 2018-05-28 | 2018-09-11 | 深圳市工勘岩土集团有限公司 | Mouth high-pressure grouting leak stopping processing method is buried in the leakage drilling of deep basal pit diaphram wall |
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Application publication date: 20160601 |
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