CN113653517A - Anti-seismic disturbance-resistant underground tunnel leakage blocking method - Google Patents
Anti-seismic disturbance-resistant underground tunnel leakage blocking method Download PDFInfo
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- CN113653517A CN113653517A CN202111005307.7A CN202111005307A CN113653517A CN 113653517 A CN113653517 A CN 113653517A CN 202111005307 A CN202111005307 A CN 202111005307A CN 113653517 A CN113653517 A CN 113653517A
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- 238000000034 method Methods 0.000 title claims abstract description 31
- 230000000903 blocking effect Effects 0.000 title claims description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 68
- 239000000463 material Substances 0.000 claims abstract description 23
- 238000001514 detection method Methods 0.000 claims abstract description 7
- 238000005067 remediation Methods 0.000 claims abstract description 5
- 230000015572 biosynthetic process Effects 0.000 claims abstract description 4
- 238000010276 construction Methods 0.000 claims description 21
- 239000004593 Epoxy Substances 0.000 claims description 15
- 238000012423 maintenance Methods 0.000 claims description 7
- 229910000831 Steel Inorganic materials 0.000 claims description 6
- 239000011248 coating agent Substances 0.000 claims description 6
- 238000000576 coating method Methods 0.000 claims description 6
- 230000002787 reinforcement Effects 0.000 claims description 6
- 230000003014 reinforcing effect Effects 0.000 claims description 6
- 239000002002 slurry Substances 0.000 claims description 6
- 239000010959 steel Substances 0.000 claims description 6
- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 claims description 3
- 239000000853 adhesive Substances 0.000 claims description 3
- 230000001070 adhesive effect Effects 0.000 claims description 3
- 230000033228 biological regulation Effects 0.000 claims description 3
- 238000007664 blowing Methods 0.000 claims description 3
- 239000004568 cement Substances 0.000 claims description 3
- 239000003795 chemical substances by application Substances 0.000 claims description 3
- 238000004140 cleaning Methods 0.000 claims description 3
- 238000013500 data storage Methods 0.000 claims description 3
- 230000007547 defect Effects 0.000 claims description 3
- 238000005553 drilling Methods 0.000 claims description 3
- 230000006698 induction Effects 0.000 claims description 3
- 239000003973 paint Substances 0.000 claims description 3
- 239000004587 polysulfide sealant Substances 0.000 claims description 3
- 229920002635 polyurethane Polymers 0.000 claims description 3
- 239000004814 polyurethane Substances 0.000 claims description 3
- 230000003712 anti-aging effect Effects 0.000 claims 1
- 238000007689 inspection Methods 0.000 claims 1
- 239000004589 rubber sealant Substances 0.000 claims 1
- 229920001971 elastomer Polymers 0.000 abstract description 7
- 230000007774 longterm Effects 0.000 abstract description 3
- 239000007788 liquid Substances 0.000 description 4
- 239000012812 sealant material Substances 0.000 description 4
- SMZOUWXMTYCWNB-UHFFFAOYSA-N 2-(2-methoxy-5-methylphenyl)ethanamine Chemical compound COC1=CC=C(C)C=C1CCN SMZOUWXMTYCWNB-UHFFFAOYSA-N 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000007781 pre-processing Methods 0.000 description 2
- 230000002265 prevention Effects 0.000 description 2
- 238000009418 renovation Methods 0.000 description 2
- 238000004891 communication Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000008595 infiltration Effects 0.000 description 1
- 238000001764 infiltration Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D11/00—Lining tunnels, galleries or other underground cavities, e.g. large underground chambers; Linings therefor; Making such linings in situ, e.g. by assembling
- E21D11/38—Waterproofing; Heat insulating; Soundproofing; Electric insulating
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21F—SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
- E21F17/00—Methods or devices for use in mines or tunnels, not covered elsewhere
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21F—SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
- E21F17/00—Methods or devices for use in mines or tunnels, not covered elsewhere
- E21F17/18—Special adaptations of signalling or alarm devices
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- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Structural Engineering (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Lining And Supports For Tunnels (AREA)
Abstract
The invention discloses an earthquake-resistant disturbance-resistant underground tunnel leakage plugging method, which comprises the following steps: s1, checking the position of the tunnel leakage water, analyzing the reason and recording the reason in the system; s2, making a comprehensive improvement plan according to the reason of crack formation and the reason of leakage and the using function and the using environment of the underground structure; s3, preparing related materials and equipment, and performing remediation and leaking stoppage; the use of the deformation joint grouting plugging has the advantages that the function of the rubber water stop in the deformation joint is recovered, the leakage water position is subjected to vibration detection, the later-stage repeated leakage possibly caused by long-term resonance is prevented from being maintained when the train runs after passing through the train, the phenomenon of recording is avoided, meanwhile, a drainage blind pipe is arranged for necessary drainage, and when normal drainage is greatly facilitated, the drainage can be better and effectively discharged.
Description
Technical Field
The invention relates to the technical field of underground tunnel plugging, in particular to an anti-seismic disturbance-resistant underground tunnel plugging method.
Background
The structure of underground tunnel includes main part building and accessory device structure two parts, and the main part building comprises a cave body and a portal, and the accessory device is including keeping away car hole, fire control facility, emergent communication and waterproof drainage facility, and long tunnel also has special ventilation and lighting apparatus, and can cooperate the train of transportation, subway to use, but long-time vibration can cause the tunnel to produce the gap or original tiny gap can constantly open and shut the change to the phenomenon of infiltration appears.
However, the existing underground tunnel leakage stopping method in the market can not effectively treat earthquake resistance and disturbance resistance, and can not completely treat later-stage water seepage, so that the phenomenon of incomplete seepage prevention can be caused.
Disclosure of Invention
The invention provides an anti-seismic and anti-disturbance underground tunnel plugging method, which can effectively solve the problem that the anti-seismic and anti-disturbance can not be effectively treated and the later-stage water seepage can not be completely treated by the underground tunnel plugging method in the current market in the background technology, so that the phenomenon of incomplete seepage prevention can not be caused.
In order to achieve the purpose, the invention provides the following technical scheme: an earthquake-resistant disturbance-resistant underground tunnel leakage blocking method comprises the following steps:
s1, checking the position of the tunnel leakage water, analyzing the reason and recording the reason in the system;
s2, making a comprehensive improvement plan according to the reason of crack formation and the reason of leakage and the using function and the using environment of the underground structure;
s3, preparing related materials, and performing remediation and plugging;
and S4, observing and detecting after finishing the regulation and the leakage stoppage, marking, and periodically detecting and protecting.
According to the technical scheme, the seepage in the S1 is at the weak part of the structure, the main seepage reasons are checked, the pH value, the temperature and the date of water quality are recorded, the seepage water of the construction joint is checked, the vibration time and the vibration frequency are recorded, and the silt on the longitudinal horizontal construction joint surface before the concrete of the tunnel structure is poured is not cleaned;
the longitudinal horizontal construction joint is not chiseled thoroughly, and accumulated water is not drained;
the steel plate waterstop at the construction joint is not centered or the joint is welded with defects;
when the concrete of the construction joint is poured, the leakage or vibration is not compact;
the water stop of the cast-in-place two-lining construction joint of the tunnel is not installed in place, and the water stop deflects due to vibration;
recordings were made and compared with previous archives.
According to the technical scheme, in the step S2, gaps are classified at the leakage positions, then related renovation plans are designated, and then the operations of determining, purchasing and preprocessing are carried out;
the pretreatment operation comprises the steps of cleaning the surface by using a steel wire brush, blowing the surface clean by using an air compressor, carefully checking and analyzing the condition of cracks, and determining the position, the interval and the depth of a drilled hole.
According to the technical scheme, the S3 controls the leakage water of the expansion joint, the induction joint and the deformation joint:
adopting a drilling method for deformation joints, carrying out deep grouting on the structure through holes with the diameter of 28-32mm, filling special deformation-resistant cation butyl modified liquid rubber in the joints, enabling the material to react quickly when meeting water to become a rubber-like sealant material, plugging the water, then coating moisture-resistant high-permeability modified epoxy structural adhesive on the inner wall of a U-shaped groove with the width of 4cm and the depth of 3-5cm as an interface agent, filling epoxy modified polysulfide sealant, and finally coating acrylic acid waterproof paint on the surface;
and in the step S2, treating construction joints, structural cracks, cold joints and fracture joints: the deep layer of the structure is grouted by a pinhole method, the crack is filled with the special modified tough epoxy grouting material (the elongation is 12 percent) with low viscosity, water resistance and moisture resistance, the compactness and the structural integrity of the sheet area concrete are recovered, and water is squeezed out of the crack and the gap of the structure.
According to the technical scheme, the S3 grouting process is performed gradually from bottom to top or from one side to the other side, when the adjacent holes or the crack appearance detection holes start to discharge slurry, the pressure is kept for 10-30S, the condition of the slurry in the cracks is observed, and then the grouting is performed properly.
According to the technical scheme, when the water leakage is large in S3, firstly, a polyurethane grouting material and an early-setting early-strength cement material are poured, the temporary auxiliary grouting is firstly carried out to stop water, and then the low-viscosity water-resistant moisture-resistant epoxy grouting material is supplemented to be poured and modified for reinforcement and reinforcement;
the water seepage of the pitted surface is filled with the modified low-viscosity water-resistant moisture-resistant epoxy grouting material by adopting a quincunx pinhole grouting method for plugging, reinforcing and reinforcing.
According to the technical scheme, in the step S4, after leaking stoppage, water return detection is carried out, the vibration time and the water return surface are marked, a data table is generated and sent to a system, and normal data storage and maintenance recording are carried out.
According to the technical scheme, in the S4, the pneumatic drill is adopted to completely release the pressure of the secondary lining drill at the position where the secondary lining and the inverted arch have serious water leakage on the site needing water drainage, so that a new effective drainage blind pipe is formed.
Compared with the prior art, the invention has the beneficial effects that: the invention has scientific and reasonable structure and safe and convenient use, adopts the cation butyl modified liquid rubber, the material quickly reacts when meeting water to become rubber-like sealant material, the function of the rubber waterstop in the deformation joint is recovered when the deformation joint is grouted for plugging, the vibration detection is carried out on the leakage water position, the later-stage maintenance possibly caused by long-term resonance is prevented, but the phenomenon of record is avoided, meanwhile, the drainage blind pipe is arranged on necessary drainage, the normal drainage is greatly facilitated, the drainage can be better and effectively discharged, the maintenance and plugging are carried out according to different leakage joints, the targeted treatment can be more realized, and the invention is safe and reliable.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention.
In the drawings:
FIG. 1 is a schematic diagram of the process steps of the present invention.
Detailed Description
The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are described herein for the purpose of illustration and explanation and not limitation.
Example (b): as shown in FIG. 1, the technical scheme of the invention is that an earthquake-resistant disturbance-resistant underground tunnel leakage blocking method comprises the following steps:
s1, checking the position of the tunnel leakage water, analyzing the reason and recording the reason in the system;
s2, making a comprehensive improvement plan according to the reason of crack formation and the reason of leakage and the using function and the using environment of the underground structure;
s3, preparing related materials, and performing remediation and plugging;
and S4, observing and detecting after finishing the regulation and the leakage stoppage, marking, and periodically detecting and protecting.
According to the technical scheme, the leakage is at the weak part of the structure in S1, the main leakage reason is checked, the temperature and the date are recorded, the leakage water of the construction joint is checked, and the vibration time and frequency are recorded, wherein the silt on the longitudinal horizontal construction joint surface before the concrete of the tunnel structure is poured is not cleaned;
the longitudinal horizontal construction joint is not chiseled thoroughly, and accumulated water is not drained;
the steel plate waterstop at the construction joint is not centered or the joint is welded with defects;
when the concrete of the construction joint is poured, the leakage or vibration is not compact;
the water stop of the cast-in-place two-lining construction joint of the tunnel is not installed in place, and the water stop deflects due to vibration;
recordings were made and compared with previous archives.
According to the technical scheme, gaps at the leakage positions are classified in S2, then relevant renovation plans are designated, and then determining, purchasing and preprocessing operations are carried out;
the pretreatment operation comprises the steps of cleaning the surface by using a steel wire brush, blowing the surface clean by using an air compressor, carefully checking and analyzing the condition of cracks, and determining the position, the interval and the depth of a drilled hole.
According to the technical scheme, S3 governs the water leakage of the expansion joint, the induction joint and the deformation joint:
adopting a drilling method for deformation joints, carrying out deep grouting on the structure through holes with the diameter of 28-32mm, filling special deformation-resistant cation butyl modified liquid rubber in the joints, enabling the material to react quickly when meeting water to become a rubber-like sealant material, plugging the water, then coating moisture-resistant high-permeability modified epoxy structural adhesive on the inner wall of a U-shaped groove with the width of 4cm and the depth of 3-5cm as an interface agent, filling epoxy modified polysulfide sealant, and finally coating acrylic acid waterproof paint on the surface;
and S2, treating construction joints, structural cracks, cold joints and fracture joints: the deep layer of the structure is grouted by a pinhole method, the crack is filled with the special modified tough epoxy grouting material (the elongation is 12 percent) with low viscosity, water resistance and moisture resistance, the compactness and the structural integrity of the sheet area concrete are recovered, and water is squeezed out of the crack and the gap of the structure.
According to the technical scheme, S3 is gradually poured from bottom to top or from one side to the other side in the grouting process, when the appearance of the adjacent holes or cracks begins to discharge slurry, the pressure is kept for 10-30S, the condition of slurry in the cracks is observed, and then the filling is properly carried out.
According to the technical scheme, when water leakage is large in S3, firstly, a polyurethane grouting material and an early-setting early-strength cement material are poured, temporary auxiliary grouting is carried out, water is stopped firstly, and then the low-viscosity water-resistant moisture-resistant epoxy grouting material is filled for reinforcement and reinforcement;
the water seepage of the pitted surface is filled with the modified low-viscosity water-resistant moisture-resistant epoxy grouting material by adopting a quincunx pinhole grouting method for plugging, reinforcing and reinforcing.
According to the technical scheme, in S4, after plugging, the water return detection is carried out, the vibration time and the water return surface are marked, a data table is generated and sent to the system, and normal data storage and maintenance recording are carried out.
According to the technical scheme, in S4, the pneumatic drill is adopted to penetrate the secondary lining drill at the position where the secondary lining and the inverted arch have serious water leakage for the site needing water drainage, so that a new effective drainage blind pipe is formed.
Compared with the prior art, the invention has the beneficial effects that: the invention has scientific and reasonable structure and safe and convenient use, adopts the cation butyl modified liquid rubber, the material quickly reacts when meeting water to become rubber-like sealant material, the function of the rubber waterstop in the deformation joint is recovered when the deformation joint is grouted for plugging, the vibration detection is carried out on the leakage water position, the later-stage maintenance possibly caused by long-term resonance is prevented, but the phenomenon of record is avoided, meanwhile, the drainage blind pipe is arranged on necessary drainage, the normal drainage is greatly facilitated, the drainage can be better and effectively discharged, the maintenance and plugging are carried out according to different leakage joints, the targeted treatment can be more realized, and the invention is safe and reliable.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (8)
1. An earthquake-resistant disturbance-resistant underground tunnel leaking stoppage method is characterized in that: the method comprises the following steps:
s1, checking the position of the tunnel leakage water, analyzing the reason and recording the reason in the system;
s2, making a comprehensive improvement plan according to the reason of crack formation and the reason of leakage and the using function and the using environment of the underground structure;
s3, preparing related materials, and performing remediation and plugging;
and S4, observing and detecting after finishing the regulation and the leakage stoppage, marking, and periodically detecting and protecting.
2. An earthquake-resistant disturbance-resistant underground tunnel leakage blocking method according to claim 1, wherein in S1, the leakage is at the weak part of the structure, the main leakage reason is checked, the pH value, the temperature and the date of water quality are recorded, meanwhile, the construction joint leakage water is checked, a observation instrument is installed, the time and the frequency of vibration are recorded, wherein the silt on the longitudinal horizontal construction joint surface before the concrete of the tunnel structure is poured is not cleaned;
the longitudinal horizontal construction joint is not chiseled thoroughly, and accumulated water is not drained;
the steel plate waterstop at the construction joint is not centered or the joint is welded with defects;
when the concrete of the construction joint is poured, the leakage or vibration is not compact;
the water stop of the cast-in-place two-lining construction joint of the tunnel is not installed in place, and the water stop deflects due to vibration;
recordings were made and compared with previous archives.
3. An earthquake-resistant disturbance-resistant underground tunnel leak stoppage method according to claim 1, wherein in S2, gaps are classified at the leaking position, and then a related remediation plan is made, and then determination, procurement and pretreatment operations are performed;
the pretreatment operation comprises the steps of cleaning the surface by using a steel wire brush, blowing the surface clean by using an air compressor, carefully checking and analyzing the condition of cracks, and determining the position, the interval and the depth of a drilled hole.
4. An earthquake-resistant disturbance-resistant underground tunnel plugging method according to claim 1, wherein S3 is used for treating water leakage of expansion joints, induction joints and deformation joints:
adopting a drilling method for deformation joints, carrying out deep grouting on a structure through holes with the diameter of 28-32mm, filling special deformation-resistant non-cured rubber sealant in the joints, chiseling a U-shaped groove with the width of 4cm and the depth of 3-5cm along the joints on the surfaces of the expansion joints after water is blocked, coating moisture-resistant high-permeability modified epoxy structural adhesive on the inner walls of the groove to serve as an interface agent, filling epoxy modified polysulfide sealant, and finally coating anti-aging acrylic waterproof paint on the surfaces of the groove;
and in the step S2, treating construction joints, structural cracks, cold joints and fracture joints: the deep layer of the structure is grouted by a pinhole method, the crack is filled with special modified tough epoxy grouting material (the elongation is 12%) with low viscosity, water resistance and moisture resistance, the compactness and structural integrity of the area concrete are recovered, and water is squeezed out of the crack and the gap of the structure.
5. An earthquake-resistant disturbance-resistant underground tunnel plugging method according to claim 4, wherein S3 is poured gradually from bottom to top or from side to side in the grouting process, when the adjacent holes or fracture appearance inspection holes start to discharge slurry, the pressure is maintained for 10-30S, the condition of slurry in the cracks is observed, and then the grouting is properly carried out.
6. An earthquake-resistant disturbance-resistant underground tunnel leak stopping method according to claim 5, wherein when the water leakage in S3 is large, firstly, a polyurethane grouting material and an early-setting early-strength cement material are poured, the temporary auxiliary grouting is carried out, water is firstly stopped, and then, a modified low-viscosity water-resistant moisture-resistant tough epoxy grouting material is additionally poured for reinforcement and reinforcement;
the water seepage of the pitted surface is filled with the modified low-viscosity water-resistant moisture-resistant epoxy grouting material by adopting a quincunx pinhole grouting method for plugging, reinforcing and reinforcing.
7. An earthquake-resistant disturbance-resistant underground tunnel plugging method according to claim 1, wherein in step S4, after plugging, water return detection is performed, the time of vibration and the surface of the water return are marked, a data table is generated and sent to a system, and normal data storage and maintenance records are performed.
8. An earthquake-resistant disturbance-resistant underground tunnel leak stopping method according to claim 1, wherein in S4, a pneumatic drill is adopted to completely release pressure and drain water at a position where water leakage of a secondary lining and an inverted arch is serious for a site needing water drainage, so that a new effective drainage blind pipe is formed.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202111005307.7A CN113653517A (en) | 2021-08-30 | 2021-08-30 | Anti-seismic disturbance-resistant underground tunnel leakage blocking method |
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