CN112376626B - Waterproof coiled material for cast-in-situ open caisson and construction method thereof - Google Patents
Waterproof coiled material for cast-in-situ open caisson and construction method thereof Download PDFInfo
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- CN112376626B CN112376626B CN202011390894.1A CN202011390894A CN112376626B CN 112376626 B CN112376626 B CN 112376626B CN 202011390894 A CN202011390894 A CN 202011390894A CN 112376626 B CN112376626 B CN 112376626B
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- 239000000463 material Substances 0.000 title claims abstract description 41
- 238000010276 construction Methods 0.000 title claims abstract description 23
- 238000011065 in-situ storage Methods 0.000 title claims abstract description 6
- 239000010410 layer Substances 0.000 claims abstract description 39
- 229920000642 polymer Polymers 0.000 claims abstract description 27
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 18
- 239000010959 steel Substances 0.000 claims abstract description 18
- 239000002313 adhesive film Substances 0.000 claims abstract description 16
- 239000002344 surface layer Substances 0.000 claims abstract description 6
- 239000002390 adhesive tape Substances 0.000 claims description 30
- 238000000034 method Methods 0.000 claims description 22
- 239000012528 membrane Substances 0.000 claims description 17
- 238000002955 isolation Methods 0.000 claims description 14
- 239000000853 adhesive Substances 0.000 claims description 12
- 238000000576 coating method Methods 0.000 claims description 11
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 11
- 239000012790 adhesive layer Substances 0.000 claims description 10
- 239000011248 coating agent Substances 0.000 claims description 10
- 239000004820 Pressure-sensitive adhesive Substances 0.000 claims description 7
- 239000012943 hotmelt Substances 0.000 claims description 7
- 239000002985 plastic film Substances 0.000 claims description 6
- 229920002799 BoPET Polymers 0.000 claims description 5
- 210000001503 joint Anatomy 0.000 claims description 4
- 229910001294 Reinforcing steel Inorganic materials 0.000 claims description 3
- 229920003023 plastic Polymers 0.000 claims description 3
- 239000004033 plastic Substances 0.000 claims description 3
- 238000003466 welding Methods 0.000 claims description 3
- 238000005096 rolling process Methods 0.000 claims description 2
- 230000037303 wrinkles Effects 0.000 claims description 2
- 229920005549 butyl rubber Polymers 0.000 claims 1
- 238000010030 laminating Methods 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 8
- 230000008901 benefit Effects 0.000 abstract description 6
- 230000006378 damage Effects 0.000 abstract description 4
- 239000011247 coating layer Substances 0.000 abstract 1
- 229920002397 thermoplastic olefin Polymers 0.000 description 8
- 238000009434 installation Methods 0.000 description 5
- 230000002787 reinforcement Effects 0.000 description 4
- 239000010865 sewage Substances 0.000 description 3
- 238000004078 waterproofing Methods 0.000 description 3
- 239000004698 Polyethylene Substances 0.000 description 2
- 230000001070 adhesive effect Effects 0.000 description 2
- 125000000484 butyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 description 2
- 238000005034 decoration Methods 0.000 description 2
- 230000006866 deterioration Effects 0.000 description 2
- 238000009415 formwork Methods 0.000 description 2
- 229920001903 high density polyethylene Polymers 0.000 description 2
- 239000004700 high-density polyethylene Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000002689 soil Substances 0.000 description 2
- 238000009412 basement excavation Methods 0.000 description 1
- 230000005465 channeling Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000011241 protective layer Substances 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 230000011218 segmentation Effects 0.000 description 1
- 238000009958 sewing Methods 0.000 description 1
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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
- E02D15/00—Handling building or like materials for hydraulic engineering or foundations
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D23/00—Caissons; Construction or placing of caissons
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/30—Landfill technologies aiming to mitigate methane emissions
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- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Mining & Mineral Resources (AREA)
- Paleontology (AREA)
- Civil Engineering (AREA)
- Environmental & Geological Engineering (AREA)
- Hydrology & Water Resources (AREA)
- Bridges Or Land Bridges (AREA)
Abstract
The invention discloses a waterproof coiled material for a cast-in-situ well sinking, which comprises the following components from inside to outside: the isolating film surface layer, the first polymer self-adhesive film layer, the polymer sheet layer, the second polymer self-adhesive film layer and the anti-sticking coating layer can be uncovered. The invention also provides a construction method of the waterproof roll for the cast-in-place open caisson. The waterproof coiled material is constructed after the open caisson steel bars are bound and placed in cast-in-place concrete, and has the advantages of avoiding damage to the waterproof layer, being good in waterproof effect, being good in concrete structure protection effect and the like.
Description
Technical Field
The invention relates to the technical field of waterproof coiled materials, in particular to a waterproof coiled material for a cast-in-place open caisson and a construction method thereof.
Background
The cast-in-place open caisson is a thin-wall concrete structure, is widely applied to construction of structures of water stations such as water supply, sewage and the like at present due to the fast construction, small excavation amount and mature process, but due to the construction particularity, the outer wall of the open caisson can rub against soil bodies in the sinking process, so that construction of wrapping a waterproof layer cannot be carried out, and the leakage problem and the deterioration of the concrete structure are easily caused. Particularly, for sewage treatment structures, the leakage causes pollution of underground water, and the harm is particularly great.
Disclosure of Invention
In order to solve the defects in the prior art, the invention provides a waterproof coiled material for a cast-in-place well, which comprises the following components from inside to outside:
the removable isolating film surface layer is made of a PE film or a PET film (preferably a PET film) with the thickness of 0.1 mm;
the first high polymer self-adhesive film layer is made of hot-melt pressure-sensitive adhesive or butyl adhesive (preferably hot-melt pressure-sensitive adhesive), and the thickness of the first high polymer self-adhesive film layer is 0.2-0.4 mm (preferably 0.3 mm);
a polymer sheet layer made of HDPE or TPO (preferably TPO) with a thickness of 0.5-1.5 mm (preferably 0.9 mm);
the second high polymer self-adhesive film layer is made of hot-melt pressure-sensitive adhesive, and the thickness of the second high polymer self-adhesive film layer is 0.2-0.4 mm (preferably 0.3 mm);
the anti-sticking coating can be dissolved in the concrete alkaline environment, and the thickness of the anti-sticking coating is 0.03-0.1 mm (preferably 0.05 mm);
the total thickness of the roll of waterproofing material is preferably 1.5mm (not counting the thickness of the removable release liner facing and release coating).
The invention also provides a construction method of the waterproof roll for the cast-in-place open caisson, which comprises the following steps:
1) installing a template at the inner side of the open caisson;
2) binding steel bars;
3) fixing with double-sided self-adhesive tape;
4) laying waterproof rolls;
5) mounting a matched cushion block;
6) installing an outer template of the open caisson;
7) pouring and maintaining concrete;
8) and (4) removing the template and sinking the open caisson.
Preferably, the installation of the template at the inner side of the open caisson comprises the following specific steps: the template in the open caisson can be installed to the top at one time, and a support for installing the template cannot be connected with other facilities such as an upper escalator, a lower escalator, a material platform and the like.
Preferably, the steel bar binding comprises the following specific steps: the steel bars are selected according to the design requirements, the strength, the specification and the quantity are qualified, and the steel bars are connected by flash butt welding.
Preferably, the method for fixing the matched double-sided self-adhesive tape comprises the following specific steps: in order to ensure the construction quality and the fixation firmness of the lap joint part of the subsequent waterproof coiled material, the double-sided self-adhesive tape matched with the circular construction at the position of the long-side lap joint edge of the waterproof coiled material is formed by a first removable isolating membrane, a first high-polymer self-adhesive membrane, a high-polymer plastic sheet, a second high-polymer self-adhesive membrane and a second removable isolating membrane which are sequentially stacked, wherein the high-polymer plastic sheet is made of TPO (thermoplastic polyolefin), the double-sided self-adhesive tape is fixed through a self-adhesive layer (the first high-polymer self-adhesive membrane or the second high-polymer self-adhesive membrane) and quick-gelling water and a reinforcing steel bar, the width of the double-sided self-adhesive tape is 200-300 mm, and the preferable width is 250 mm.
Preferably, the waterproof coiled material is laid, and the method comprises the following specific steps: the long edge of the waterproof coiled material is laid in the circumferential direction, the upper surface isolation film of the double-sided self-adhesive tape is torn off (the isolation film can be torn off firstly or the isolation film can be torn off secondly), the waterproof coiled material is positioned, the inner surface isolation film is slowly torn off, the edge is torn off and rolled and the double-sided self-adhesive tape is bonded, the construction is smooth, the fitting is smooth and free of wrinkles, the long edge of the waterproof coiled material is spliced through butt joint, the matched single-sided self-adhesive tape with the width of 100mm is covered, the single-sided self-adhesive tape is formed by sequentially stacked anti-sticking coatings, high polymer self-adhesive films and the isolation films, and the short edge of the waterproof coiled material can be lapped by staggering joint through the self-adhesive layer (the second high polymer self-adhesive film layer).
Preferably, the installation of the matched cushion block comprises the following specific steps: adopt the plastics cushion, the cushion shape is cylindrical, and the cross-section circle diameter is 2.5cm, highly for designing concrete protection layer thickness, and its fixed point should be the reinforcing bar crosspoint, and the fixed interval is 500 ~ 700mm, preferably 600mm, and the cushion one side has the self-adhesive layer, can directly carry out firm bonding with waterproofing membrane to prevent that concrete vibration in-process cushion from dropping, the thickness of concrete protection layer should not be less than 25 mm.
Preferably, the open caisson outer side formwork installation comprises the following specific steps: the open caisson outside template can carry out the segmentation installation according to concrete placement height.
Preferably, the concrete pouring and curing comprises the following specific steps: the impervious concrete is adopted for layered pouring, the upper layer concrete is carried out before the lower layer concrete is initially set, and the construction cold joint is avoided; and (5) curing the concrete in time after the concrete is poured, wherein the curing time is not less than 14 d.
Preferably, the dismantling of the template and the sinking of the open caisson comprise the following specific steps: after the concrete is cured to reach the designed strength, the template can be disassembled, the sinking operation of the open caisson is carried out according to the requirements of the design scheme, the sinking speed and the inclination value of the open caisson are controlled during the sinking process of the open caisson, and the deviation correction is carried out in the process of sinking while the sinking is carried out.
The waterproof coiled material is constructed after the open caisson steel bars are bound and placed in cast-in-place concrete, and has the advantages of avoiding damage to the waterproof layer, being good in waterproof effect, being good in concrete structure protection effect and the like.
The invention has the following advantages:
1. the invention can solve the problem that the existing open caisson can not be applied as an external waterproof layer;
in the traditional open caisson construction process, the outer wall needs to be rubbed with the soil body, so that the outer waterproof layer cannot be constructed.
2. The invention has convenient construction and good waterproof effect;
the surface of the waterproof material is provided with the self-adhesive layer, so that the waterproof material can be conveniently bonded and fixed with the steel bar, the waterproof layer and the steel bar framework can be firmly fixed by arranging the matched double-sided self-adhesive tape, and meanwhile, the two sides of the waterproof layer structure have the bonding performance with post-poured concrete, so that water channeling on the inner side and the outer side can be avoided, the structural shrinkage crack can be effectively reduced, and the waterproof effect is good.
3. The invention can delay the deterioration of concrete and prolong the service life of the structure;
the waterproof layer is arranged between the reinforcement cage and the concrete protective layer, so that the contact between underground water and the reinforcement cage is prevented while the waterproof layer is waterproof, and the reinforcement is prevented from being corroded.
4. The invention can avoid the pollution of underground water and has great social benefit;
aiming at the structures of the water station, particularly sewage treatment facilities, if leakage occurs, the underground water is polluted, the invention can avoid the leakage risk of the structures constructed by the open caisson method to the maximum extent, and has obvious social benefit.
Drawings
FIG. 1 is a schematic view of a waterproof roll for a cast-in-place open caisson according to the present invention;
FIG. 2 is a schematic view of a cast-in-place open caisson side wall structure;
FIG. 3 is a schematic diagram of the butt joint of the long sides of the waterproof roll for the cast-in-situ well sinking of the invention;
FIG. 4 is a schematic view of the short side lap joint of the waterproof roll for cast-in-place well sinking of the present invention;
FIG. 5 is a schematic view of a double-sided self-adhesive tape;
fig. 6 is a schematic view of a single-sided self-adhesive tape.
Detailed Description
The following description of the embodiments of the present invention will be made with reference to the accompanying drawings. The following examples are only for illustrating the technical solutions of the present invention more clearly, and the protection scope of the present invention is not limited thereby.
The technical scheme of the specific implementation of the invention is as follows:
as shown in fig. 1, the present invention provides a waterproof roll for cast-in-place well sinking, which has the following structure from inside to outside:
the removable isolating film surface layer is made of a PE film or a PET film (preferably a PET film) and has the thickness of 0.1 mm;
the first high polymer self-adhesive film layer is made of hot-melt pressure-sensitive adhesive or butyl adhesive (preferably hot-melt pressure-sensitive adhesive), and the thickness of the first high polymer self-adhesive film layer is 0.2-0.4 mm (preferably 0.3 mm);
a polymer sheet layer made of HDPE or TPO (preferably TPO) with a thickness of 0.5-1.5 mm (preferably 0.9 mm);
the second high polymer self-adhesive film layer is made of hot melt pressure-sensitive adhesive and has a thickness of 0.2-0.4 mm (preferably 0.3 mm);
the anti-sticking coating can be dissolved in the concrete alkaline environment, and the thickness of the anti-sticking coating is 0.03-0.1 mm (preferably 0.05 mm);
the total thickness of the roll of waterproofing material is preferably 1.5mm (not counting the thickness of the removable release liner facing and release coating).
As shown in fig. 2 to 6, the present invention further provides a construction method of the waterproof roll for cast-in-place open caisson, including the following steps:
1) the method for installing the template on the inner side of the open caisson comprises the following specific steps: the template in the open caisson can be installed to the top at one time, and a support for installing the template cannot be connected with other facilities such as an upper escalator, a lower escalator, a material platform and the like;
2) the reinforcement bar binding comprises the following specific steps: the steel bars are selected according to the design requirements, the strength, the specification and the quantity of the steel bars are qualified, and the steel bars are lengthened and connected by flash butt welding;
3) the matched double-sided self-adhesive tape fixing method comprises the following specific steps: in order to ensure the construction quality and the fixation firmness of the lap joint part of the subsequent waterproof coiled material, a matched double-sided self-adhesive tape is constructed in the circumferential direction at the position of the long-side lap joint edge of the waterproof coiled material, the double-sided self-adhesive tape consists of a first removable isolating membrane, a first macromolecular self-adhesive membrane, a macromolecular plastic sheet, a second macromolecular self-adhesive membrane and a second removable isolating membrane which are sequentially stacked, the macromolecular plastic sheet is made of TPO (thermoplastic polyolefin), the double-sided self-adhesive tape is fixed through a self-adhesive layer (the first macromolecular self-adhesive membrane or the second macromolecular self-adhesive membrane) and quick-gelling water and reinforcing steel bars, and the width of the double-sided self-adhesive tape is 200-300 mm, preferably 250 mm;
4) the waterproof coiled material laying method comprises the following specific steps: laying the long edges of the waterproof coiled materials in a circular manner, tearing off an isolation film (a first removable isolation film or a second removable isolation film) on the upper surface of the double-sided self-adhesive tape, positioning the waterproof coiled materials, slowly tearing off the isolation film on the inner surface of the waterproof coiled materials, rolling while tearing off and bonding the double-sided self-adhesive tape, and if the construction is smooth and smooth, fitting and wrinkle-free, splicing the long edges of the waterproof coiled materials by butt joint and covering the matched single-sided self-adhesive tape with the width of 100mm for covering and sewing, wherein the single-sided self-adhesive tape comprises an anti-sticking coating, a high-molecular self-adhesive film and a removable isolation film which are sequentially laminated, and the short edges of the waterproof coiled materials can be subjected to staggered joint overlapping by a self-adhesive layer (a second high-molecular self-adhesive film layer);
5) the method comprises the following steps of: the method is characterized in that a plastic cushion block is adopted, the shape of the cushion block is cylindrical, the diameter of a cross section circle is 2.5cm, the height is designed to be the thickness of a concrete protection layer, fixing points of the cushion block are preferably steel bar cross points, the fixing interval is 500-700 mm, preferably 600mm, a self-adhesive layer is arranged on one surface of the cushion block, the cushion block can be directly and firmly bonded with a waterproof coiled material, the cushion block is prevented from falling off in the vibrating process of concrete, and the thickness of the concrete protection layer is not less than 25 mm;
6) the open caisson outside formwork installation comprises the following specific steps: the template on the outer side of the open caisson can be installed in sections according to the concrete pouring height;
7) concrete pouring and curing, comprising the following concrete steps: the impervious concrete is adopted for layered pouring, the upper layer concrete is carried out before the lower layer concrete is initially set, and the construction cold joint is avoided; curing in time after the concrete pouring is finished, wherein the curing time is not less than 14 d;
8) the method comprises the following specific steps of: after the concrete is cured to reach the designed strength, the template can be disassembled, the sinking operation of the open caisson is carried out according to the requirements of the design scheme, the sinking speed and the inclination value of the open caisson are controlled during the sinking process of the open caisson, and the deviation correction is carried out in the process of sinking while the sinking is carried out.
The waterproof coiled material is constructed after the open caisson steel bars are bound and placed in cast-in-place concrete, and has the advantages of avoiding damage to the waterproof layer, being good in waterproof effect, being good in concrete structure protection effect and the like.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the technical principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.
Claims (1)
1. A construction method of a waterproof coiled material for a cast-in-situ open caisson is characterized in that,
the waterproof roll for the cast-in-situ open caisson comprises the following components in sequence:
the surface layer of the isolation film can be uncovered, and the material of the surface layer is a PE film or a PET film, and the thickness of the surface layer is 0.1 mm;
the first high polymer self-adhesive film layer is made of butyl rubber and has a thickness of 0.2-0.4 mm;
a polymer sheet layer made of TPO and having a thickness of 0.5-1.5 mm;
the second high polymer self-adhesive film layer is made of hot-melt pressure-sensitive adhesive and has a thickness of 0.2-0.4 mm;
the anti-sticking coating can be dissolved in the concrete alkaline environment, and the thickness of the anti-sticking coating is 0.03-0.1 mm;
the construction method comprises the following steps:
1) installing a template at the inner side of the open caisson: the template at the inner side of the open caisson is installed to the top at one time, and a bracket for installing the template cannot be connected with an upper escalator, a lower escalator and a material platform;
2) binding steel bars: the steel bars are selected according to the design requirements, the strength, the specification and the quantity of the steel bars are qualified, and the steel bars are connected by flash butt welding for lengthening;
3) fixing a matched double-sided self-adhesive tape: the double-sided self-adhesive tape is formed by sequentially laminating a first removable isolating membrane, a first high-polymer self-adhesive membrane, a high-polymer plastic sheet, a second high-polymer self-adhesive membrane and a second removable isolating membrane, the material of the high-polymer plastic sheet is TPO, the double-sided self-adhesive tape is fixed through a self-adhesive layer, quick-gelling water and reinforcing steel bars, and the width of the double-sided self-adhesive tape is 200-300 mm;
4) laying waterproof rolls: laying the long edge of the waterproof coiled material in a circumferential direction, tearing off an upper surface isolation film of the double-sided self-adhesive tape, positioning the waterproof coiled material, tearing off an inner surface isolation film of the waterproof coiled material, rolling while tearing off and bonding the double-sided self-adhesive tape, so that the construction is smooth, fitting and no wrinkle are realized, splicing the long edge of the waterproof coiled material by butt joint, covering the matched single-sided self-adhesive tape with the width of 100mm, and performing cover joint treatment on the single-sided self-adhesive tape, wherein the single-sided self-adhesive tape comprises an anti-sticking coating, a high-molecular self-adhesive film and the removable isolation film which are sequentially stacked, and the short edge of the waterproof coiled material is subjected to staggered joint lapping by a self-adhesive layer;
5) and (3) mounting a matched cushion block: the method is characterized in that a plastic cushion block is adopted, the shape of the cushion block is cylindrical, the diameter of a cross section circle is 2.5cm, the height is the thickness of a designed concrete protection layer, fixed points are steel bar crossing points, the fixed interval is 500-700 mm, a self-adhesive layer is arranged on one surface of the cushion block, the cushion block is directly and firmly bonded with a waterproof coiled material, the cushion block is prevented from falling off in the concrete vibrating process, and the thickness of the concrete protection layer is not less than 25 mm;
6) installing an open caisson outer side template: installing the template outside the open caisson in sections according to the concrete pouring height;
7) pouring and maintaining concrete: the impervious concrete is adopted for layered pouring, and the upper layer concrete is poured before the lower layer concrete is initially set, so that the construction cold joint is avoided; curing in time after the concrete pouring is finished, wherein the curing time is not less than 14 d;
8) removing the template and sinking the open caisson: and after the concrete is cured to reach the designed strength, removing the template, performing open caisson sinking operation according to the requirements of the design scheme, controlling the sinking rate and the inclination value of the open caisson in the open caisson sinking process, and performing deviation correction in the process of sinking while adopting a mode of sinking and correcting.
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| CN202011390894.1A CN112376626B (en) | 2020-12-02 | 2020-12-02 | Waterproof coiled material for cast-in-situ open caisson and construction method thereof |
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| CN202011390894.1A CN112376626B (en) | 2020-12-02 | 2020-12-02 | Waterproof coiled material for cast-in-situ open caisson and construction method thereof |
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| CN113047459A (en) * | 2021-04-25 | 2021-06-29 | 中国二十二冶集团有限公司 | Construction process for laying HDPE (high-density polyethylene) high-molecular self-adhesive film waterproof coiled material |
| CN113756581A (en) * | 2021-09-29 | 2021-12-07 | 河北佳倩建筑工程有限公司 | Construction method of profiled metal gutter TPO waterproof coiled material |
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| JP3808983B2 (en) * | 1997-07-31 | 2006-08-16 | 大成建設株式会社 | Open caisson structure and its installation method |
| CN105887923A (en) * | 2016-04-13 | 2016-08-24 | 中国十七冶集团有限公司 | Construction method for pre-paving and invertedly adhering waterproof coiled material in large underground waterproof project |
| CN206941657U (en) * | 2017-07-10 | 2018-01-30 | 深圳百勤建设工程有限公司 | A kind of basement post-pouring zone water sealing structure |
| CN110629801B (en) * | 2019-07-26 | 2021-05-18 | 中国一冶集团有限公司 | Construction method using vertical mold as base surface of pre-paved anti-sticking self-adhesive waterproof roll |
| CN211871849U (en) * | 2020-01-06 | 2020-11-06 | 天津禹红房屋修缮有限公司 | Take polymer of protective layer from glued membrane waterproofing membrane |
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