CN101864778A - Method for leaking stoppage of external wall of underground structure - Google Patents
Method for leaking stoppage of external wall of underground structure Download PDFInfo
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- CN101864778A CN101864778A CN201010215669A CN201010215669A CN101864778A CN 101864778 A CN101864778 A CN 101864778A CN 201010215669 A CN201010215669 A CN 201010215669A CN 201010215669 A CN201010215669 A CN 201010215669A CN 101864778 A CN101864778 A CN 101864778A
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Abstract
The invention discloses a method for leaking stoppage of an external wall of an underground structure, which comprises the following steps: (1) drilling the external wall of the underground structure; (2) embedding a grouting pipe; (3) grouting; and (4) cutting the grouting pipe, and repairing the hole. The method adopts a path opposite to the ground water seepage path, and the cement slurry is filled in the gap on the back of the wall, thereby realizing the purpose of stopping water. The active leaking stoppage outside the side wall of the underground structure is achieved through drilling the external wall of the underground structure, embedding the grouting pipe, filling the seepage crack with the cement slurry and blocking the water flow channel. Therefore, the method has a wide scope of application, and can be used for seepage treatment of cracks caused for different reasons. The construction is simple, the scope of one-time treatment is large, and the cost of the method is lower than the method of leaking stoppage through chemical grouting. Moreover, no grouting of crack slots is needed for leaking stoppage, thereby reducing the damage to the concrete appearance; and simultaneously, the effect of leaking stoppage is good, and no repeated leakage can occur. Therefore, the method can be widely applied in leaking stoppage of construction joints, expansion holes, settlement joints, temperature shrinkage cracks and other cracks.
Description
Technical field
The present invention relates to the realm of building construction, the leak stopping of all slits such as particularly a kind of underground structure constuction joint, telescopic hole, settlement joint, temperature shrinkage crack is handled.
Background technology
At present, after the outer wall of underground structure construction was finished, concrete generally can shrink to some extent, thereby caused exterior wall and waterproofing course to break away from, and formed the space; In addition, when the exterior wall surface out-of-flatness, when leaving certain space between waterproofing course and the exterior wall, in the work progress, waterproofing course has destruction, and underground water can be along waterproofing course seepage flow.The space has water to fill between exterior wall and waterproofing course and the space enclosing structure, and when exterior wall surface had through crack, seepage can appear in exterior wall, influence the presentation quality of building, the intensity and the durability of structure, influence is normal to be used, and generally all will handle the crack, and the crack of seepage is particularly arranged.At present the crack method for repairing and mending that produces generally is divided into two kinds: 1, the epoxy mortar method is smeared on the surface, this method plugging effect is poor but also occur seepage once more easily, 2, Sealing Method is filled in chemical grouting, though this method plugging effect is good, but cost is higher, and when grouting, need carry out grouting for water plugging again after the raggle of crack, concrete appearance damages big, thereby is difficult to conform to quality requirements.
Summary of the invention
In order to overcome the deficiencies in the prior art, the invention provides a kind of easy construction, cost is low, plugging effect is good outer wall of underground structure blocking method.
The present invention solves the problems of the technologies described above the technical scheme that is adopted:
A kind of blocking method of outer wall of underground structure, its method step is as follows:
(1): to the boring of underground structure outer: near the constuction joint of structure outer or the bigger place of leakage point hole;
(2): bury Grouting Pipe underground: bury Grouting Pipe underground in the hole of step 1);
(3): slip casting: adopt neat slurry) from step 2 in Grouting Pipe, carry out slip casting successively, grouting pressure is controlled at 0.5～1.0Mpa, when pouring into or adjacent Grouting Pipe when flowing out mud, stops slip casting;
(4): the cutting Grouting Pipe, repair in the aperture: behind the structure outer leakproof, with the Grouting Pipe excision, with the floating aperture of cement mortar, accomplish consistently with the side wall appearance color, guarantee presentation quality.
The invention has the beneficial effects as follows: this method adopts the opposite path of seepage action of ground water, with cement paste infilled wall back of the body space, reaches the purpose of sealing.By drilling the agent structure exterior wall, bury Grouting Pipe underground, fill the infiltration crack with cement paste, intercept water stream channel, play the outer initiatively effect of leak stopping of underground structure side wall.This method compliance is wider, can carry out seepage treatment at the crack that different reasons cause; And construction is simple, and the scope of single treatment is big, and cost is lower than chemical grouting leak stopping; And need not be along crack raggle grouting for water plugging, concrete appearance damages few; Simultaneously, plugging effect is good, be difficult for repeatedly, thereby the leak stopping that can be widely used in all slits such as underground structure constuction joint, telescopic hole, settlement joint, temperature shrinkage crack is handled.
The specific embodiment
A kind of blocking method of outer wall of underground structure, its method step is as follows:
(1): underground structure outer is holed: hole in constuction joint or the bigger place of leakage point at structure outer;
Described aperture is: 50～70mm, pitch of holes is: 15～30m.The size of pore size, pitch of holes can adjust as the case may be, when described structure outer medial surface has waterproofing course, does not drill waterproofing course; The distance of described boring and base plate (floor) is 0.5～1.5m, thereby is convenient to drilling operation, when the distance of boring and base plate exceeds 0.5～1.5m, must set up operating platform.
(2): bury Grouting Pipe underground: bury Grouting Pipe underground in the hole of step 1);
Diameter 20～the 30mm of described Grouting Pipe, Grouting Pipe is given prominence to the about 300～500mm of exterior wall; Described Grouting Pipe employing leak stopping spirit is blocked in the space between sealed tube and boring, guarantees that Grouting Pipe is connected and fixed; In addition, carry out slip casting for convenience, can add valve on the described Grouting Pipe.
(3): slip casting: adopt neat slurry) from step 2 in Grouting Pipe, carry out slip casting successively, grouting pressure is controlled at 0.5～1.0Mpa, when pouring into or adjacent Grouting Pipe when flowing out mud, stops slip casting;
The water of described neat slurry and the weight ratio of cement are: 0.3～1.0, preferably 0.4～0.6; In the time will controlling range of grouting or slip casting total amount, can in neat slurry, mix water glass; After slip casting finishes, when finding that also structure outer has seepage, can carry out repeating step 1) carry out the secondary after-teeming to the operation of step 3).Can be during slip casting according to plugging effect, the basement number of plies is carried out staged and layered slip casting.
(4): the cutting Grouting Pipe, repair in the aperture: behind the structure outer leakproof, with the Grouting Pipe excision, with the floating aperture of cement mortar, cement mortar is joined through examination, accomplishes consistently with the side wall appearance color, guarantees presentation quality.
This method adopts the opposite path of seepage action of ground water, with cement paste infilled wall back of the body space, reaches the purpose of sealing.By drilling the agent structure exterior wall, bury Grouting Pipe underground, fill the infiltration crack with cement paste, intercept water stream channel, play the outer initiatively effect of leak stopping of underground structure side wall.This method compliance is wider, can carry out seepage treatment at the crack that different reasons cause; And construction is simple, and the scope of single treatment is big, and cost is lower than chemical grouting leak stopping; And need not be along crack raggle grouting for water plugging, concrete appearance damages few; Simultaneously, plugging effect is good, be difficult for repeatedly, thereby the leak stopping that can be widely used in all slits such as underground structure constuction joint, telescopic hole, settlement joint, temperature shrinkage crack is handled.
Claims (9)
1. the blocking method of an outer wall of underground structure, it is characterized in that: this method step is as follows:
(1): underground structure outer is holed: hole in constuction joint or the bigger place of leakage point at structure outer;
(2): bury Grouting Pipe underground: bury Grouting Pipe underground in the hole of step 1);
(3): slip casting: adopt neat slurry) from step 2 in Grouting Pipe, carry out slip casting successively, grouting pressure is controlled at 0.5～1.0Mpa, when pouring into or adjacent Grouting Pipe when flowing out mud, stops slip casting;
(4): the cutting Grouting Pipe, repair in the aperture: behind the structure outer leakproof, with the Grouting Pipe excision, with the floating aperture of cement mortar, accomplish consistently with the side wall appearance color, guarantee presentation quality.
2. the blocking method of a kind of outer wall of underground structure according to claim 1, it is characterized in that: the described aperture of step 1) is: 50～70mm, pitch of holes is: 15～30m.
3. the blocking method of a kind of outer wall of underground structure according to claim 1 is characterized in that: when the described structure outer medial surface of step 1) has waterproofing course, do not drill waterproofing course.
4. the blocking method of a kind of outer wall of underground structure according to claim 1, it is characterized in that: the distance of described boring of step 1) and base plate is 0.5～1.5m.
5. the blocking method of a kind of outer wall of underground structure according to claim 1 is characterized in that: step 2) described Grouting Pipe adopts the space of leak stopping spirit between being blocked in Grouting Pipe and holing, and guarantees that Grouting Pipe is connected and fixed.
6. the blocking method of a kind of outer wall of underground structure according to claim 1 is characterized in that: step 2) add valve on the described Grouting Pipe.
7. the blocking method of a kind of outer wall of underground structure according to claim 1, it is characterized in that: the water of the described neat slurry of step 3) and the weight ratio of cement are: 0.3～1.0.
8. the blocking method of a kind of outer wall of underground structure according to claim 1 is characterized in that: mix water glass in the step 3) neat slurry.
9. the blocking method of a kind of outer wall of underground structure according to claim 1 is characterized in that: after the described slip casting of step 3) finishes, when finding that also structure outer has seepage, can carry out repeating step 1) carry out the secondary after-teeming to the operation of step 3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN2010102156694A CN101864778B (en) | 2010-06-30 | 2010-06-30 | Method for leaking stoppage of external wall of underground structure |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010102156694A CN101864778B (en) | 2010-06-30 | 2010-06-30 | Method for leaking stoppage of external wall of underground structure |
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| CN101864778A true CN101864778A (en) | 2010-10-20 |
| CN101864778B CN101864778B (en) | 2012-11-07 |
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Cited By (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102002950A (en) * | 2010-11-11 | 2011-04-06 | 东南大学 | Liquid division slip casting reinforcing method for subsurface structure construction joints |
| CN102561720A (en) * | 2012-02-17 | 2012-07-11 | 葛洲坝集团试验检测有限公司 | Plugging and leakage-stopping method under flowing water condition |
| CN105350556A (en) * | 2015-11-10 | 2016-02-24 | 中交一航局第四工程有限公司 | New material underground structure leakage stoppage construction technology |
| CN105369833A (en) * | 2015-10-15 | 2016-03-02 | 昆明风行防水材料有限公司 | Grouting maintenance construction method for basement roof leakage |
| CN105525631A (en) * | 2015-11-20 | 2016-04-27 | 中国建筑第四工程局有限公司 | Leaking stoppage method and structure for treating water bursting holes of bottom plate |
| CN106337449A (en) * | 2016-09-30 | 2017-01-18 | 绍兴上虞美林建设工程有限公司 | Crack repairing structure for underground engineering and construction method of crack repairing structure |
| CN110777860A (en) * | 2019-11-04 | 2020-02-11 | 中铁十二局集团第二工程有限公司 | Method for grouting and plugging back of side wall leakage water of subway station |
| CN111119992A (en) * | 2020-02-25 | 2020-05-08 | 中煤科工集团西安研究院有限公司 | Method for determining drilling parameters of drainage water of coal seam roof |
| CN111809669A (en) * | 2020-07-21 | 2020-10-23 | 四川童燊防水工程有限公司 | Basement post-cast strip leaking stoppage grouting and reinforcing construction method |
| CN111809606A (en) * | 2020-07-21 | 2020-10-23 | 四川童燊防水工程有限公司 | Basement exterior wall leaking stoppage grouting and reinforcing construction method |
| CN111809670A (en) * | 2020-07-21 | 2020-10-23 | 四川童燊防水工程有限公司 | Leaking stoppage grouting and reinforcing construction method for basement exterior wall construction joint |
| CN111809607A (en) * | 2020-07-21 | 2020-10-23 | 四川童燊防水工程有限公司 | Basement tower crane foundation pit leaking stoppage grouting and reinforcing construction method |
| CN112878367A (en) * | 2021-01-23 | 2021-06-01 | 北京隧盾市政建设有限公司 | Method for treating water leakage of construction joint and crack of subway main structure |
| CN112900490A (en) * | 2021-01-23 | 2021-06-04 | 北京隧盾市政建设有限公司 | Deformation joint grouting and leaking stoppage subway structure water leakage treatment method |
| CN113339008A (en) * | 2021-06-17 | 2021-09-03 | 中铁建大桥工程局集团第六工程有限公司 | Method for installing subway deformation joint water-stopping steel plate with rear side plugging on back surface |
| CN115945494A (en) * | 2022-12-29 | 2023-04-11 | 武汉中科固废资源产业技术研究院有限公司 | Leakage repairing method for operating solid waste landfill seepage-proofing system |
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Cited By (19)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102002950A (en) * | 2010-11-11 | 2011-04-06 | 东南大学 | Liquid division slip casting reinforcing method for subsurface structure construction joints |
| CN102561720A (en) * | 2012-02-17 | 2012-07-11 | 葛洲坝集团试验检测有限公司 | Plugging and leakage-stopping method under flowing water condition |
| CN102561720B (en) * | 2012-02-17 | 2014-12-10 | 葛洲坝集团试验检测有限公司 | Plugging and leakage-stopping method under flowing water condition |
| CN105369833A (en) * | 2015-10-15 | 2016-03-02 | 昆明风行防水材料有限公司 | Grouting maintenance construction method for basement roof leakage |
| CN105350556A (en) * | 2015-11-10 | 2016-02-24 | 中交一航局第四工程有限公司 | New material underground structure leakage stoppage construction technology |
| CN105525631A (en) * | 2015-11-20 | 2016-04-27 | 中国建筑第四工程局有限公司 | Leaking stoppage method and structure for treating water bursting holes of bottom plate |
| CN105525631B (en) * | 2015-11-20 | 2018-08-31 | 中国建筑第四工程局有限公司 | A kind of blocking method and structure for processing base plate water burst hole |
| CN106337449A (en) * | 2016-09-30 | 2017-01-18 | 绍兴上虞美林建设工程有限公司 | Crack repairing structure for underground engineering and construction method of crack repairing structure |
| CN110777860A (en) * | 2019-11-04 | 2020-02-11 | 中铁十二局集团第二工程有限公司 | Method for grouting and plugging back of side wall leakage water of subway station |
| CN111119992A (en) * | 2020-02-25 | 2020-05-08 | 中煤科工集团西安研究院有限公司 | Method for determining drilling parameters of drainage water of coal seam roof |
| CN111119992B (en) * | 2020-02-25 | 2021-01-29 | 中煤科工集团西安研究院有限公司 | Method for determining drilling parameters of drainage water of coal seam roof |
| CN111809669A (en) * | 2020-07-21 | 2020-10-23 | 四川童燊防水工程有限公司 | Basement post-cast strip leaking stoppage grouting and reinforcing construction method |
| CN111809606A (en) * | 2020-07-21 | 2020-10-23 | 四川童燊防水工程有限公司 | Basement exterior wall leaking stoppage grouting and reinforcing construction method |
| CN111809670A (en) * | 2020-07-21 | 2020-10-23 | 四川童燊防水工程有限公司 | Leaking stoppage grouting and reinforcing construction method for basement exterior wall construction joint |
| CN111809607A (en) * | 2020-07-21 | 2020-10-23 | 四川童燊防水工程有限公司 | Basement tower crane foundation pit leaking stoppage grouting and reinforcing construction method |
| CN112878367A (en) * | 2021-01-23 | 2021-06-01 | 北京隧盾市政建设有限公司 | Method for treating water leakage of construction joint and crack of subway main structure |
| CN112900490A (en) * | 2021-01-23 | 2021-06-04 | 北京隧盾市政建设有限公司 | Deformation joint grouting and leaking stoppage subway structure water leakage treatment method |
| CN113339008A (en) * | 2021-06-17 | 2021-09-03 | 中铁建大桥工程局集团第六工程有限公司 | Method for installing subway deformation joint water-stopping steel plate with rear side plugging on back surface |
| CN115945494A (en) * | 2022-12-29 | 2023-04-11 | 武汉中科固废资源产业技术研究院有限公司 | Leakage repairing method for operating solid waste landfill seepage-proofing system |
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| CN101864778B (en) | 2012-11-07 |
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