CN104420485B - Underground space leaking type water stopping method for utility tunnel - Google Patents
Underground space leaking type water stopping method for utility tunnel Download PDFInfo
- Publication number
- CN104420485B CN104420485B CN201310365833.3A CN201310365833A CN104420485B CN 104420485 B CN104420485 B CN 104420485B CN 201310365833 A CN201310365833 A CN 201310365833A CN 104420485 B CN104420485 B CN 104420485B
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- Prior art keywords
- waterstop
- top surface
- water
- underground space
- trench
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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
- E02D31/00—Protective arrangements for foundations or foundation structures; Ground foundation measures for protecting the soil or the subsoil water, e.g. preventing or counteracting oil pollution
- E02D31/02—Protective arrangements for foundations or foundation structures; Ground foundation measures for protecting the soil or the subsoil water, e.g. preventing or counteracting oil pollution against ground humidity or ground water
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D29/00—Independent underground or underwater structures; Retaining walls
- E02D29/16—Arrangement or construction of joints in foundation structures
Abstract
The invention relates to an underground space leaking type water stopping method for a utility tunnel. The method comprises the steps of 1, excavating a trench; 2, mounting water stops and internal supports; and 3, mounting decorative plates; when excavating the trench, water accumulated in a pipe trench is removed, then steams are respectively cut in the bottom surface, sidewalls and the top surface of a pipe trench from two edges of a deformation joint by a cutting machine, and finally concrete between the two seams is excavated to remove, so as to form the trench; another trench excavating mode is that the salient part on the top surface of the pipe trench in a differential settlement section is cut off, and then a concave groove is formed with the assisting of angle steel which is fixed in the part through bolts; when mounting the water stops and the internal supports, the water stops are mounted from top to bottom by sections, that is, the water stops are positioned on the top surface firstly, the sidewalls are secondly, and the bottom surface is thirdly; after the water stops are mounted in place, the internal supports for supporting and extruding are timely mounted into the concave grooves in the water stops by sections; when being mounted, the decorative plates are arranged on the top surface and the sidewalls of the pipe trench, sections of the decorative plates are groove-shaped, and two sides are fixed by the position, wherein a circular hole is drilled in one side, and a long hole is drilled in the other side. The underground space leaking type water stopping method for the utility tunnel is simple and effective, a few investments are needed, and the popularization and application prospect is great.
Description
Technical field
The present invention relates to a kind of water-stopping method of underground space seepage, specifically integrated pipe canal underground space seepage
Water-stopping method.
Background technology
With the construction of urban infrastructure and perfect, increasing urban road is concentrated in the form of integrated pipe canal
Arrangement pipeline, but exist with the difference of geological condition along the line because integrated pipe canal is linearly arranged, after road comes into operation,
In the presence of vehicular load, integrated pipe canal more or less occurs some sedimentations or lateral displacement, especially through soft Ji Chu
The roadbed of reason, its settlement after construction and relative settlement become apparent from, and the persistent period is longer, and serious even causes integrated pipe canal
Movement joint rubber fastening band tears leak, Given this situation, in order to avoid secondary excavation is keeped in repair in leak stopping, affects road, and one
As take the method that blocked inside pipe trench to process.For tiny leakage point, blocked using chemical grouting putty（Such as PU
Grouting leak-stopping glue）, comparatively easily, but, settle not yet stability region, the more serious integrated pipe canal of leak for being located in
There is the situation of tear in rubber fastening band, then block more difficult.
The content of the invention
It is contemplated that overcoming the defect of prior art, there is provided a kind of water-stopping method of integrated pipe canal underground space seepage,
Method is simple, effective, and input cost is low, it is easy to which general constructing operation personnel grasp, and relatively have wide popularizing application prospect.
In order to solve above-mentioned technical problem, what the present invention was realized in：
A kind of water-stopping method of integrated pipe canal underground space seepage, it is characterised in that：It comprises the steps：
Step one：Fluting；
Adjacent two sections of pipe trench movement joint leak：Pipe trench hydrops are excluded first, on movement joint both sides with cutting machine successively in pipe
Ditch bottom surface, side wall, top surface joint-cutting, afterwards by the concrete chisel removal between two seams, form groove, and channel bottom is repaiied chisel, is polished flat
It is whole；Pipe trench corner is using artificial fluting, and groove width is more than mechanical slotting width, afterwards, floating with cement mortar；When adjacent two
Section pipe trench has differential settlement and dislocation simultaneously when, by a raised area excision part for settling section pipe trench top surface, Ran Hou
The pipe trench top surface of movement joint another side arranges angle steel, and reinforcing plate is provided with angle steel, makes the top surface of angle steel high-rise and the raised area
Top surface is high-rise consistent；
Step 2：Lay waterstop and internal stay support；
Waterstop is provided with a groove, and width and the sealing bandwidth of the groove are adapted, and waterstop is along integrated pipe canal inwall
Surrounding ring is laid, and its length is consistent with inwall girth, and the reserved lap of splice；Waterstop width requirement is adapted with groove；
Waterstop adopts cold-adhered mode bonding, needs bonding plane polishing machine to be polished into inclined-plane waterstop before bonding, and
Keep bonding plane clean, bonded joint is arranged on the bottom surface of integrated pipe canal, the position of neighbouring hydrops ditch；
Waterstop is laid from top to bottom, carries out paragraph by paragraph, i.e., first top surface, then side wall, rear bottom surface；
It is piecewise in time that internal stay support is laid in the groove of waterstop after waterstop is in place, internal stay support is passed through during placement
Support squeeze, first waterstop is fixed temporarily, after waterstop all it is in place install after, then fasten the support of internal stay support paragraph by paragraph and squeeze only
Water band；
Step 3：Mounting decoration panel；
Decoration panel adopts prefabricated reinforced concrete aisle cover plate or steel grating located at pipe trench top surface and side wall, pipe trench bottom surface,
Decoration panel is made using corrosion resistant plate, and its section configuration is grooved, and decoration panel both sides drilling, a sidetracking circular hole, opposite side is being justified
Hole correspondence position bores elongated hole, during installation, is screwed.
The water-stopping method of described integrated pipe canal underground space seepage, it is characterised in that：Lancing location in the step one
It is 10cm each away from movement joint both sides.
The water-stopping method of described integrated pipe canal underground space seepage, it is characterised in that：The width of groove in the step one
Spend for 20cm.
The water-stopping method of described integrated pipe canal underground space seepage, it is characterised in that：Pipe trench bottom surface in the step one
Using slab cutter joint-cutting, side wall and top surface adopt hand-held concrete cutting machine joint-cutting, and joint-cutting depth is 3cm.
The water-stopping method of described integrated pipe canal underground space seepage, it is characterised in that：The lap of splice in the step 2
For 20cm.
The water-stopping method of described integrated pipe canal underground space seepage, it is characterised in that：Internal stay in the step 2
Frame includes the screw rod of about two supports being oppositely arranged and connecting bracket, and the support includes a cross bar, cross bar top
At least one pair of diagonal brace group is provided with, two diagonal brace its one ends of each pair diagonal brace group are connected respectively with cross bar；The other end prolongs upwards respectively
Intersecting direction extends, by a nut connection between the end；Connected by screw rod between the nut of two supports.
The water-stopping method of described integrated pipe canal underground space seepage, it is characterised in that：The cross bar is provided with three pairs tiltedly
Support group, the within angle between the diagonal brace and cross bar is 60 °, the screw rod two ends reverse screw thread each other.
The invention has the beneficial effects as follows：Process is simple, it is easy to operate, it is easy to which that general staff grasps；Implement inside pipe trench,
Avoid carrying out road secondary excavation, affect road；Implementation cost is low, and effect is directly perceived, can implement many in same leakage point
Secondary closure.
Description of the drawings
Below in conjunction with the accompanying drawings the present invention is described in further detail with embodiment：
Fig. 1 is the structural representation slotted after waterstop tear of the present invention.
Fig. 2 is pipe trench sedimentation of the present invention and the structural representation for misplacing and slotting after waterstop tear.
Fig. 3 is structural representation of the present invention through the external labeling type rubber fastening band of processing.
Fig. 4 is the structural representation of waterstop of the present invention and internal stay mount.
Fig. 5 is the structural representation of waterstop and internal stay mount under pipe trench sedimentation of the present invention and misalignment.
Fig. 6 is the structural representation of decoration panel.
Fig. 7 is the side view of Fig. 6.
Fig. 8 is the structural representation of internal stay support.
Specific embodiment
A kind of water-stopping method of integrated pipe canal underground space seepage, it comprises the steps：
Step one：Fluting；
As shown in Figure 1：Adjacent two sections of pipe trench movement joint leak, former waterstop 2 tears：First exclude pipe trench hydrops, away from
With cutting machine successively in pipe trench bottom surface, side wall, top surface joint-cutting at each 10cm in movement joint both sides, afterwards by the concrete between two seams
Cut, form the wide grooves 1 of about 20cm, channel bottom is repaiied chisel, polished flat；Cut using slab cutter pipe trench bottom surface
Seam, side wall and top surface adopt hand-held concrete cutting machine joint-cutting, and joint-cutting depth is 3cm；Opened using artificial fluting pipe trench corner
Well width is more than mechanical slotting width, afterwards, floating with cement mortar；When adjacent two sections of pipe trench exist simultaneously differential settlement and
During dislocation, as shown in Figure 2：After fluting, the raised area of the pipe trench top surface of settling section is cut off, then pass through bolt at the position
An angle steel 3 is fixed, reinforcing plate 4 is provided with angle steel, the groove of internal stay mount is easy in formation；
Step 2：Lay waterstop and internal stay support；
Rubber fastening band 5 used typically adopts flat board rubber strip, and the external labeling type rubber water-proof through processing may also be employed
Band replaces, as shown in Figure 3：External labeling type rubber fastening band through processing is provided with a groove 6, width and the sealing bandwidth of the groove
Degree is adapted, and sealing tape thickness is generally 5-6mm, and waterstop is along the laying of integrated pipe canal inwall surrounding ring, its length and inwall
Girth is consistent, and the lap of splice of reserved 20cm；Waterstop width requirement is adapted with groove；
As shown in Figure 4,5：Waterstop adopts cold-adhered mode bonding, adhesive glue to adopt and meet country and the relevant matter of industry
The rubber fastening band High-strength adhesive that amount is required, is connected in the form of overlap joint, needs bonding plane to grind waterstop before bonding
Ray machine is polished into inclined-plane, and keeps bonding plane clean, and bonded joint is arranged on the bottom surface of integrated pipe canal, the position of neighbouring hydrops ditch
Put；
Waterstop is laid from top to bottom, carries out paragraph by paragraph, i.e., first top surface, then side wall, rear bottom surface；
It is piecewise in time that internal stay support 7 is laid in the groove of waterstop after waterstop is in place, internal stay support is passed through during placement
Support squeeze, first waterstop is fixed temporarily, after waterstop all it is in place install after, then fasten the support of internal stay support paragraph by paragraph and squeeze only
Water band；
Step 3：Mounting decoration panel；
As shown in Figure 6,7：Decoration panel 8 adopts prefabricated reinforced concrete aisle located at pipe trench top surface and side wall, pipe trench bottom surface
Cover plate or steel grating, decoration panel is made using corrosion resistant plate, and its section configuration is grooved, and decoration panel both sides drilling a, sidetracking is justified
Hole 9, opposite side bores elongated hole 10 in circular hole correspondence position, during installation, is screwed.
As shown in Figure 8：The internal stay support includes the screw rod of about two supports being oppositely arranged and connecting bracket, institute
Support is stated including a cross bar 11, cross bar top is provided with least one pair of diagonal brace group, two its one ends of diagonal brace 12 of each pair diagonal brace group
It is connected with cross bar respectively；The other end prolongs upwards respectively intersecting direction and extends, and is connected by a nut 13 between the end；Two
Connected by screw rod 14 between the nut of frame；The cross bar is provided with three pairs of diagonal brace groups, the inner clip between the diagonal brace and cross bar
Angle is 60 °, the screw rod two ends reverse screw thread each other.
Claims (7)
1. a kind of water-stopping method of integrated pipe canal underground space seepage, it is characterised in that：It comprises the steps：
Step one：Fluting；
Adjacent two sections of pipe trench movement joint leak：Pipe trench hydrops are excluded first, on movement joint both sides with cutting machine successively at pipe trench bottom
Face, side wall, top surface joint-cutting, afterwards by the concrete chisel removal between two seams, form groove, and channel bottom is repaiied chisel, polished flat；Pipe
Ditch corner is using artificial fluting, and groove width is more than mechanical slotting width, afterwards, floating with cement mortar；When adjacent two sections pipes
Ditch has differential settlement and dislocation simultaneously when, by a raised area excision part for settling section pipe trench top surface, then in deformation
The pipe trench top surface of seam another side arranges angle steel, and reinforcing plate is provided with angle steel；Make the high-rise top surface with the raised area of top surface of angle steel
It is high-rise consistent；
Step 2：Lay waterstop and internal stay support；
Waterstop is provided with a groove, and width and the sealing bandwidth of the groove are adapted, and waterstop is along integrated pipe canal inwall surrounding
Ring is laid, and its length is consistent with inwall girth, and the reserved lap of splice；Waterstop width requirement is adapted with groove；
Waterstop adopts cold-adhered mode bonding, needs bonding plane polishing machine to be polished into inclined-plane waterstop before bonding, and keeps
Bonding plane is clean, and bonded joint is arranged on the bottom surface of integrated pipe canal, the position of neighbouring hydrops ditch；
Waterstop is laid from top to bottom, carries out paragraph by paragraph, i.e., first top surface, then side wall, rear bottom surface；
It is piecewise in time that internal stay support is laid in the groove of waterstop after waterstop is in place, by the support of internal stay support during placement
Squeeze, first temporarily fix waterstop, after waterstop all it is in place install after, then fasten the support of internal stay support paragraph by paragraph and squeeze sealing
Band；
Step 3：Mounting decoration panel；
, located at pipe trench top surface and side wall, pipe trench bottom surface is using prefabricated reinforced concrete aisle cover plate or steel grating, facing for decoration panel
Plate is made using corrosion resistant plate, and its section configuration is grooved, and decoration panel both sides drill, a sidetracking circular hole, and opposite side is in circular hole pair
Answer position to bore elongated hole, during installation, be screwed.
2. the water-stopping method of integrated pipe canal underground space seepage according to claim 1, it is characterised in that：The step one
Middle lancing location is 10cm each away from movement joint both sides.
3. the water-stopping method of integrated pipe canal underground space seepage according to claim 1, it is characterised in that：The step one
The width of middle groove is 20cm.
4. the water-stopping method of integrated pipe canal underground space seepage according to claim 1, it is characterised in that：The step one
Middle pipe trench bottom surface adopts slab cutter joint-cutting, side wall and top surface to adopt hand-held concrete cutting machine joint-cutting, joint-cutting
Depth is 3cm.
5. the water-stopping method of integrated pipe canal underground space seepage according to claim 1, it is characterised in that：The step 2
The middle lap of splice is 20cm.
6. the water-stopping method of integrated pipe canal underground space seepage according to claim 1, it is characterised in that：The step 2
In internal stay support include the screw rod of about two supports being oppositely arranged and connecting bracket, the support includes a horizontal stroke
Bar, cross bar top is provided with least one pair of diagonal brace group, and two diagonal brace its one ends of each pair diagonal brace group are connected respectively with cross bar；The other end
Prolong intersecting direction upwards respectively to extend, by a nut connection between the end；Connected by screw rod between the nut of two supports
Connect.
7. the water-stopping method of integrated pipe canal underground space seepage according to claim 6, it is characterised in that：On the cross bar
It is provided with three pairs of diagonal brace groups, the within angle between the diagonal brace and cross bar is 60 °, the screw rod two ends reverse screw thread each other.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310365833.3A CN104420485B (en) | 2013-08-21 | 2013-08-21 | Underground space leaking type water stopping method for utility tunnel |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310365833.3A CN104420485B (en) | 2013-08-21 | 2013-08-21 | Underground space leaking type water stopping method for utility tunnel |
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| Publication Number | Publication Date |
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| CN104420485A CN104420485A (en) | 2015-03-18 |
| CN104420485B true CN104420485B (en) | 2017-04-19 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201310365833.3A Active CN104420485B (en) | 2013-08-21 | 2013-08-21 | Underground space leaking type water stopping method for utility tunnel |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108729475A (en) * | 2017-04-25 | 2018-11-02 | 中国二十冶集团有限公司 | Underground structure multi-layer combined type expansion joint waterproof construction method |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1982541A (en) * | 2005-12-14 | 2007-06-20 | 李应芝 | Underground channel of hydroelectric station and cavity group waterproofing and leakage-stopping construction |
| CN103184747A (en) * | 2013-02-26 | 2013-07-03 | 上海隧道工程股份有限公司 | Method and structure for leakage seepage prevention construction for two-walls-in-one structure of deep-underground engineering |
| CN203034492U (en) * | 2012-12-10 | 2013-07-03 | 河北省电力勘测设计研究院 | Reinforced concrete pipe ditch deformation seam |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3889113B2 (en) * | 1997-05-12 | 2007-03-07 | 大成建設株式会社 | Construction method of solidified water wall |
| JPH11229418A (en) * | 1998-02-10 | 1999-08-24 | Kubota Corp | Underground water recharge method in earth-retaining wall composed of steel pipe column row |
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2013
- 2013-08-21 CN CN201310365833.3A patent/CN104420485B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1982541A (en) * | 2005-12-14 | 2007-06-20 | 李应芝 | Underground channel of hydroelectric station and cavity group waterproofing and leakage-stopping construction |
| CN203034492U (en) * | 2012-12-10 | 2013-07-03 | 河北省电力勘测设计研究院 | Reinforced concrete pipe ditch deformation seam |
| CN103184747A (en) * | 2013-02-26 | 2013-07-03 | 上海隧道工程股份有限公司 | Method and structure for leakage seepage prevention construction for two-walls-in-one structure of deep-underground engineering |
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| CN104420485A (en) | 2015-03-18 |
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