CN114607170A - Seam leakage stopping and reinforcing method for roof - Google Patents
Seam leakage stopping and reinforcing method for roof Download PDFInfo
- Publication number
- CN114607170A CN114607170A CN202210276718.8A CN202210276718A CN114607170A CN 114607170 A CN114607170 A CN 114607170A CN 202210276718 A CN202210276718 A CN 202210276718A CN 114607170 A CN114607170 A CN 114607170A
- Authority
- CN
- China
- Prior art keywords
- grouting
- grouting hole
- steel bar
- reinforcing steel
- hole
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000000034 method Methods 0.000 title claims abstract description 25
- 230000003014 reinforcing effect Effects 0.000 title claims abstract description 15
- 229910001294 Reinforcing steel Inorganic materials 0.000 claims abstract description 67
- 239000003822 epoxy resin Substances 0.000 claims abstract description 15
- 229920000647 polyepoxide Polymers 0.000 claims abstract description 15
- 238000007599 discharging Methods 0.000 claims abstract description 4
- 239000004033 plastic Substances 0.000 claims description 23
- 229920003023 plastic Polymers 0.000 claims description 23
- 239000000428 dust Substances 0.000 claims description 18
- 238000007569 slipcasting Methods 0.000 claims description 10
- 239000011248 coating agent Substances 0.000 claims description 9
- 238000000576 coating method Methods 0.000 claims description 9
- 239000002002 slurry Substances 0.000 claims description 9
- 238000004140 cleaning Methods 0.000 claims description 8
- 230000001680 brushing effect Effects 0.000 claims description 6
- 239000010426 asphalt Substances 0.000 claims description 5
- 230000000903 blocking effect Effects 0.000 claims description 3
- 239000003973 paint Substances 0.000 claims description 3
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 238000004080 punching Methods 0.000 claims description 3
- 230000002787 reinforcement Effects 0.000 abstract description 11
- 238000005553 drilling Methods 0.000 abstract description 4
- 238000007789 sealing Methods 0.000 abstract description 4
- 238000009435 building construction Methods 0.000 abstract description 2
- 239000011440 grout Substances 0.000 description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000003628 erosive effect Effects 0.000 description 1
- 230000009545 invasion Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Images
Classifications
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G23/00—Working measures on existing buildings
- E04G23/02—Repairing, e.g. filling cracks; Restoring; Altering; Enlarging
- E04G23/0203—Arrangements for filling cracks or cavities in building constructions
- E04G23/0211—Arrangements for filling cracks or cavities in building constructions using injection
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G23/00—Working measures on existing buildings
- E04G23/02—Repairing, e.g. filling cracks; Restoring; Altering; Enlarging
- E04G23/0281—Repairing or restoring roofing or roof covering
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- Mechanical Engineering (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Working Measures On Existing Buildindgs (AREA)
Abstract
The application relates to the technical field of building construction, and discloses a gap plugging and reinforcing method for a roof, which comprises the steps of drilling a first grouting hole, a second grouting hole, a first reinforcing steel bar, a second reinforcing steel bar and a grouting needle head, drilling the first grouting hole and the second grouting hole on two sides of a crack to enable the first grouting hole and the second grouting hole to be communicated with the crack, then inserting the first reinforcing steel bar into the first grouting hole, then inserting the second reinforcing steel bar into the second grouting hole to enable the second reinforcing steel bar to penetrate through the first reinforcing steel bar to move to the inner wall of the second grouting hole, then injecting high-permeability two-component modified epoxy resin into the crack to play a role of sealing, then injecting high-permeability two-component modified epoxy resin into the first grouting hole through the grouting needle head, injecting the grouting into the crack through the first grouting hole, then discharging the grouting through the inner grouting needle head of the second grouting hole, the grouting wraps the first reinforcing steel bar and the second reinforcing steel bar, and the reinforcement and firmness of cracks are improved.
Description
Technical Field
The application relates to the technical field of building construction, in particular to a method for plugging and reinforcing a gap of a roof.
Background
With the rapid development of society, more and more house constructions can be carried out, and some gaps can appear on roofs in residential buildings, wherein the gaps are physical structural changes generated under the action of internal and external factors of a concrete structure, and the gaps are main reasons for reducing the bearing capacity, durability and waterproofness of the concrete structure.
At present, the cracks on the roof are mainly repaired by adopting a grouting repairing method, but the existing repairing process mainly focuses on plugging and leakage plugging, and the cracks can be generated in the long-time use process of the repairing, and the cracks cannot be fixed due to the reason.
Disclosure of Invention
In order to solve the problems, the application provides a method for plugging and reinforcing a gap of a roof.
The application provides a gap leaking stoppage reinforcing method for roofing adopts following technical scheme:
a method for plugging and reinforcing a gap of a roof comprises the following steps:
firstly, punching holes at positions, with an inclined angle of 45 degrees, of two sides of a crack by an electric drill, wherein the interval between the two holes is 15cm-25cm, so that the holes penetrate through the gap in the wall body, the two holes penetrate through the hole, and the holes at the two sides are divided into a first grouting hole and a second grouting hole;
step two, inserting a high-pressure air gun into the first grouting hole in the step two, driving dust in the first grouting hole to pass through the same position of the second grouting hole and the first grouting hole by the air, discharging the dust through the second grouting hole, simultaneously carrying away the dust in the second grouting hole, aligning high-pressure air to the gap, cleaning the dust in the gap, and brushing off the gap and the dust on the surface of the wall surface by a brush;
inserting the first reinforcing steel bar into the first grouting hole, then inserting the second reinforcing steel bar into the second grouting hole, then penetrating the interior of the first reinforcing steel bar and inserting the first reinforcing steel bar into the bottom of the second grouting hole to enable the first reinforcing steel bar and the second reinforcing steel bar to be arranged in an X shape, then respectively inserting a plurality of plastic screw sleeves into the first grouting hole and the second grouting hole, and then inserting a plurality of grouting needle heads into the plastic screw sleeves;
step four, injecting high-permeability two-component modified epoxy resin grout into the crack to enable the crack to reach a sealed state, connecting a pipeline with a grouting needle through a high-pressure grouting machine, injecting the high-permeability two-component modified epoxy resin grout into a first grouting hole through the pipeline and the grouting needle from bottom to top through the high-pressure grouting machine, allowing slurry to enter the inside of the gap communicated with the first grouting hole and the inside of an adjacent second grouting hole through the first grouting hole, and allowing the slurry to flow out of the adjacent second grouting hole, so that the slurry wraps the first reinforcing steel bar and the second reinforcing steel bar, pulling out a plastic screw sleeve and the grouting needle, and blocking the insides of the first grouting hole and the second grouting hole;
and fifthly, cleaning the outer surfaces of the crack, the first grouting hole and the second grouting hole, and brushing waterproof paint.
By adopting the technical scheme, the first grouting hole and the second grouting hole are drilled on two sides of the crack, the first grouting hole and the second grouting hole are communicated with the crack, the first reinforcing steel bar is inserted into the first grouting hole, the second reinforcing steel bar is inserted into the second grouting hole, the second reinforcing steel bar penetrates through the first reinforcing steel bar and moves to the inner wall of the second grouting hole, then the high-permeability two-component modified epoxy resin grouting is injected into the crack to play a sealing role, then the high-permeability two-component modified epoxy resin grouting is injected into the first grouting hole through the grouting needle, the grouting flows into the crack through the first grouting hole, then the grouting flows out through the inner grouting needle of the second grouting hole, so that the first reinforcing steel bar and the second reinforcing steel bar are wrapped by the grouting, and the reinforcement of the crack is increased.
Preferably, the first grouting holes are uniformly arranged on the left side of the crack, and the second grouting holes are uniformly arranged on the right side of the crack.
By adopting the technical scheme, the first grouting holes and the second grouting holes are uniformly arranged on two sides of the crack, so that reinforcement after the crack is blocked is increased.
Preferably, the diameter of the first reinforcing steel bar is larger than that of the second reinforcing steel bar, and the jack matched with the size of the second reinforcing steel bar is formed in the first reinforcing steel bar.
Through adopting above-mentioned technical scheme, the inside of the reinforcement bar one is inserted to the reinforcement bar two of being convenient for.
Preferably, the surface mounting of plastics turnbuckle has the screw thread, thread groove has been seted up to the inside of plastics turnbuckle, the surface mounting of slip casting syringe needle has the screw thread, and the screw thread of slip casting syringe needle surface and the inside thread groove phase-match of plastics turnbuckle.
Through adopting above-mentioned technical scheme, be convenient for the plastics turnbuckle inserts the inside in injected hole one or injected hole two, the plastics turnbuckle of being convenient for simultaneously provides the fixed space of slip casting syringe needle.
Preferably, the waterproof coating is an asphalt-based thick waterproof coating or a nonionic emulsified asphalt waterproof coating.
Through adopting above-mentioned technical scheme, provide the waterproof nature of crack, reduce the erosion to the crack after the reinforcement.
To sum up, the application comprises the following beneficial technical effects:
1. through the matching use of the grouting hole I, the grouting hole II, the reinforcing steel bar I, the reinforcing steel bar II and the grouting needle head, drilling a first grouting hole and a second grouting hole on both sides of the crack to enable the first grouting hole and the second grouting hole to be communicated with the crack, then inserting the first reinforcing steel bar into the first grouting hole, inserting the second reinforcing steel bar into the second grouting hole, making the second reinforcing steel bar penetrate through the first reinforcing steel bar and move to the inner wall of the second grouting hole, then the high-permeability two-component modified epoxy resin grouting is injected into the cracks to play a role in sealing, then injecting high-permeability double-component modified epoxy resin grouting into the grouting hole I through the grouting needle, enabling the grouting to flow into the crack through the grouting hole, then grouting flows out through the grouting needle in the grouting hole II, so that the grouting wraps the reinforcing steel bar I and the reinforcing steel bar II, and the reinforcement and firmness of cracks are improved;
2. the method for repairing the leakage stoppage, the reinforcement and the leakage stoppage of the crack leakage water has simple and reasonable steps, and can well combine the leakage stoppage with the reinforcement to avoid the occurrence of the repeated leakage;
3. the dust in the first grouting hole, the second grouting hole and the gap is cleaned through the high-pressure air gun and the brush, the quick cleaning is achieved, the dust is reduced and remained in the first grouting hole, the second grouting hole and the gap, the good cleaning effect is achieved, and the dust is prevented from influencing the firmness of the high-permeability double-component modified epoxy resin grouting and the wall body.
Drawings
Fig. 1 is a schematic structural diagram of a front perspective of an application example.
Fig. 2 is a schematic top view of the internal structure of the embodiment of the present application.
Description of reference numerals: 1. a wall body; 2. a first grouting hole; 3. a second grouting hole; 4. reinforcing steel bars I; 5. reinforcing steel bars II; 6. a plastic screw boss; 7. and (4) grouting a needle head.
Detailed Description
The present application is described in further detail below with reference to figures 1-2.
The embodiment of the application discloses a method for plugging and reinforcing a gap of a roof. Referring to fig. 1, a method for plugging and reinforcing a gap of a roof includes the following steps:
firstly, punching holes at the positions of two sides of a crack at an oblique angle of 45 degrees by using an electric drill, wherein the interval between the two holes is 15cm-25cm, so that the holes penetrate through a gap in a wall body 1, the two holes penetrate through each other, the holes at the two sides are divided into a first grouting hole 2 and a second grouting hole 3, the first grouting hole 2 and the second grouting hole 3 are uniformly arranged at the two sides of the crack, and the reinforcement for stopping the crack is added;
step two, inserting a high-pressure air gun into the first grouting hole 2 in the step two, driving dust in the first grouting hole 2 to pass through the same position of the second grouting hole 3 and the first grouting hole 2 by the gas, discharging the dust through the second grouting hole 3, simultaneously carrying away the dust in the second grouting hole 3, aligning the high-pressure gas to the gap, cleaning the dust in the gap, and brushing off the gap and the dust on the surface of the wall surface by a brush;
inserting a reinforcing steel bar I4 into the grouting hole I2, then inserting a reinforcing steel bar II 5 into the grouting hole II 3, then penetrating the inside of the reinforcing steel bar I4 to be inserted into the bottom of the grouting hole II 3, enabling the reinforcing steel bar I4 and the reinforcing steel bar II 5 to be arranged in an X shape, then respectively inserting a plurality of plastic screw sleeves 6 into the grouting hole I2 and the grouting hole II 3, and then inserting a plurality of grouting needle heads 7 into the plastic screw sleeves 6;
step four, injecting high-permeability two-component modified epoxy resin grout into the crack to enable the crack to reach a sealed state, connecting a pipeline with a grouting needle 7 through a high-pressure grouting machine, then injecting the high-permeability two-component modified epoxy resin grout into a first grouting hole 2 through the pipeline and the grouting needle 7 from bottom to top through the high-pressure grouting machine, then enabling the slurry to enter the communicated gap and the adjacent second grouting hole 3 through the first grouting hole 2, and then enabling the slurry to flow out of the adjacent second grouting hole 3, so that the slurry wraps a first reinforcing steel bar 4 and a second reinforcing steel bar 5, then pulling out a plastic screw sleeve 6 and the grouting needle 7, and blocking the interiors of the first grouting hole 2 and the second grouting hole 3;
and step five, cleaning the outer surfaces of the crack, the first grouting hole 2 and the second grouting hole 3, and brushing waterproof paint.
As shown in fig. 2, the diameter of the first reinforcing steel bar 4 is greater than the diameter of the second reinforcing steel bar 5, and the first reinforcing steel bar 4 is internally provided with a jack matched with the size of the second reinforcing steel bar 5, so that the second reinforcing steel bar 5 can be conveniently inserted into the first reinforcing steel bar 4.
As shown in fig. 2, the surface mounting of plastics boss 6 has the screw thread, thread groove has been seted up to the inside of plastics boss 6, the surface mounting of slip casting syringe needle 7 has the screw thread, and the screw thread of 7 surfaces of slip casting syringe needle and the inside thread groove phase-match of plastics boss 6, and the plastics boss 6 of being convenient for inserts the inside of slip casting hole 2 or slip casting hole two 3, and the plastics boss 6 of being convenient for simultaneously provides the fixed space of slip casting syringe needle 7, water proof coating is pitch base thick matter water proof coating or non-ionic type emulsified asphalt water proof coating, provides fissured waterproof nature, reduces to consolidating the fissured invasion of back.
The implementation principle of the method for plugging and reinforcing the gap of the roof in the embodiment of the application is as follows: the method comprises the steps of drilling a first grouting hole 2 and a second grouting hole 3 on two sides of a crack, enabling the first grouting hole 2 and the second grouting hole 3 to be communicated with the crack, then inserting a first reinforcing steel bar 4 into the first grouting hole 2, then inserting a second reinforcing steel bar 5 into the second grouting hole 3, enabling the second reinforcing steel bar 5 to penetrate through the first reinforcing steel bar 4 and move to the inner wall of the second grouting hole 3, then injecting high-permeability two-component modified epoxy resin grouting into the crack to achieve a sealing effect, then injecting high-permeability two-component modified epoxy resin grouting into the first grouting hole 2 through a grouting needle 7, enabling the grouting to flow into the crack through the first grouting hole 2, then enabling the grouting to flow out through the grouting needle 7 in the second grouting hole 3, enabling the grouting to wrap the first reinforcing steel bar 4 and the second reinforcing steel bar 5, and increasing the reinforcement of the crack.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (5)
1. A method for plugging and reinforcing a gap of a roof is characterized by comprising the following steps: the method comprises the following steps:
firstly, punching holes at positions, with an oblique angle of 45 degrees, of two sides of a crack by an electric drill, wherein the interval between the two holes is 15cm-25cm, so that the holes penetrate through the gap in the wall body (1), the two holes penetrate through each other, and the holes at the two sides are divided into a grouting hole I (2) and a grouting hole II (3);
step two, inserting a high-pressure air gun into the first grouting hole (2) in the step two, driving dust in the first grouting hole (2) to pass through the same position of the second grouting hole (3) and the first grouting hole (2) by gas, discharging the dust through the second grouting hole (3), simultaneously taking away the dust in the second grouting hole (3), aligning high-pressure gas to the gap, cleaning the dust in the gap, and brushing the gap and the dust on the surface of the wall surface by a brush;
inserting a reinforcing steel bar I (4) into a grouting hole I (2), then inserting a reinforcing steel bar II (5) into the grouting hole II (3), then penetrating the interior of the reinforcing steel bar I (4) and inserting the reinforcing steel bar I (4) into the bottom of the grouting hole II (3), so that the reinforcing steel bar I (4) and the reinforcing steel bar II (5) are arranged in an X shape, then respectively inserting a plurality of plastic screw sleeves (6) into the grouting hole I (2) and the grouting hole II (3), and then inserting a plurality of grouting needle heads (7) into the plastic screw sleeves (6);
fourthly, injecting high-permeability two-component modified epoxy resin into the crack to enable the crack to reach a sealed state, connecting a pipeline with a grouting needle head (7) through a high-pressure grouting machine, then injecting high-permeability two-component modified epoxy resin into a grouting hole I (2) through the pipeline and the grouting needle head (7) by the high-pressure grouting machine from bottom to top, then enabling slurry to enter the communicated gap and the adjacent grouting hole II (3) through the grouting hole I (2), and then enabling the slurry to flow out of the adjacent grouting hole II (3), so that the slurry wraps the reinforcing steel bar I (4) and the reinforcing steel bar II (5), pulling out a plastic screw sleeve (6) and the grouting needle head (7), and blocking the interiors of the grouting hole I (2) and the grouting hole II (3);
and fifthly, cleaning the outer surfaces of the crack, the first grouting hole (2) and the second grouting hole (3), and brushing waterproof paint.
2. A method for plugging and reinforcing a gap of a roof according to claim 1, which is characterized in that: the first grouting holes (2) are uniformly arranged on the left side of the crack, and the second grouting holes (3) are uniformly arranged on the right side of the crack.
3. A gap plugging and reinforcing method for a roof as claimed in claim 1, wherein: the diameter of the first reinforcing steel bar (4) is larger than that of the second reinforcing steel bar (5), and the first reinforcing steel bar (4) is internally provided with a jack matched with the second reinforcing steel bar (5) in size.
4. A method for plugging and reinforcing a gap of a roof according to claim 1, which is characterized in that: the surface mounting of plastics boss (6) has the screw thread, the thread groove has been seted up to the inside of plastics boss (6), the surface mounting of slip casting syringe needle (7) has the screw thread, and the screw thread of slip casting syringe needle (7) surface and the inside thread groove phase-match of plastics boss (6).
5. A gap plugging and reinforcing method for a roof as claimed in claim 1, wherein: the waterproof coating is an asphalt-based thick waterproof coating or a nonionic emulsified asphalt waterproof coating.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202210276718.8A CN114607170A (en) | 2022-03-21 | 2022-03-21 | Seam leakage stopping and reinforcing method for roof |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202210276718.8A CN114607170A (en) | 2022-03-21 | 2022-03-21 | Seam leakage stopping and reinforcing method for roof |
Publications (1)
Publication Number | Publication Date |
---|---|
CN114607170A true CN114607170A (en) | 2022-06-10 |
Family
ID=81865917
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN202210276718.8A Pending CN114607170A (en) | 2022-03-21 | 2022-03-21 | Seam leakage stopping and reinforcing method for roof |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN114607170A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN115467549A (en) * | 2022-09-13 | 2022-12-13 | 中国一冶集团有限公司 | Repairing method for deep foundation pit basement exterior wall curtain combined with shallow grouting |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR20100055656A (en) * | 2008-11-18 | 2010-05-27 | 김지현 | The method of repair using armature for nonstructural crack filling on the concrete floor |
CN208056686U (en) * | 2018-04-08 | 2018-11-06 | 中国电建集团成都勘测设计研究院有限公司 | Repairing concrete crack structure |
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 |
-
2022
- 2022-03-21 CN CN202210276718.8A patent/CN114607170A/en active Pending
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR20100055656A (en) * | 2008-11-18 | 2010-05-27 | 김지현 | The method of repair using armature for nonstructural crack filling on the concrete floor |
CN208056686U (en) * | 2018-04-08 | 2018-11-06 | 中国电建集团成都勘测设计研究院有限公司 | Repairing concrete crack structure |
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 |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN115467549A (en) * | 2022-09-13 | 2022-12-13 | 中国一冶集团有限公司 | Repairing method for deep foundation pit basement exterior wall curtain combined with shallow grouting |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
AU2004288174B2 (en) | Method for preparing in-ground tunnel structures | |
CN202788022U (en) | Wall crack combined type repair structure | |
CN104060704A (en) | Mechanical repairing method and structure for hollowing of thermal insulation mortar of outer wall | |
CN104805912A (en) | Connecting node of prefabricated air conditioner panel and prefabricated shear wall | |
CN202787329U (en) | Large leakage treatment structure for underground continuous wall | |
CN101943006A (en) | Treatment method of water leakage of construction joints of tunnel | |
CN110306600B (en) | Underground engineering deformation joint leakage stopping structure and method thereof | |
CN114607170A (en) | Seam leakage stopping and reinforcing method for roof | |
CN2869122Y (en) | Expansion waterstop type slip casting waterstop pipe | |
CN207959289U (en) | Structure is repaired in a kind of leak for basement post-pouring zone position | |
CN111472818A (en) | Grouting construction method for water seepage of tunnel | |
CN115387391A (en) | Ultra-deep foundation pit diaphragm wall plugging construction method | |
CN112360518B (en) | Rapid maintenance structure and maintenance method for tunnel circumferential construction joint | |
KR100920963B1 (en) | Water leakage maintenance structure and method of joint using high efficiency grout materials | |
CN112593726A (en) | Anti-frost heaving leaking stoppage and reinforcement method for cold region | |
CN112211230A (en) | Steel plate mortar brick composite structure and method for repairing leakage of concrete structure by using same | |
CN112195970A (en) | River-crossing tunnel engineering waterproof construction method | |
CN110670630A (en) | Underground engineering connection new and old concrete interface waterproof structure and processing method | |
CN110607921A (en) | Automatic repairing leakage stoppage treatment method and waterproof leakage stoppage structure | |
WO2023039745A1 (en) | Drainage and anti-seepage device and method for assembled prefabricated sandwich thermal-insulation external wallboard | |
CN209874532U (en) | Reinforced concrete frame node that shock resistance promotes | |
CN113738152A (en) | Leakage maintenance construction method for water-return beam | |
CN111021769A (en) | Wall body reinforcing structure and method | |
CN205976012U (en) | Waterproof board and use thereof | |
CN219638420U (en) | Grouting nail for spiral pulp outlet |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
PB01 | Publication | ||
PB01 | Publication | ||
SE01 | Entry into force of request for substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
RJ01 | Rejection of invention patent application after publication | ||
RJ01 | Rejection of invention patent application after publication |
Application publication date: 20220610 |