CN107326940A - A kind of basement advanced water-stop post-pouring zone structure and its construction method - Google Patents
A kind of basement advanced water-stop post-pouring zone structure and its construction method Download PDFInfo
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- CN107326940A CN107326940A CN201710781124.1A CN201710781124A CN107326940A CN 107326940 A CN107326940 A CN 107326940A CN 201710781124 A CN201710781124 A CN 201710781124A CN 107326940 A CN107326940 A CN 107326940A
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- 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
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Abstract
The invention discloses a kind of basement advanced water-stop post-pouring zone structure and its construction method; including left and right basement agent structure and post-cast strip region; also include being provided with cast-in-place concrete trapezoidal groove structure below post-cast strip, the basement agent structure is with being followed successively by waterproof roll layer, polyurethane waterproof coating layer, fish tail and waterproof layer and concrete cushion below cast-in-place concrete trapezoidal groove structure；The basement advanced water-stop post-pouring zone structure of the present invention has impervious good water-proof effect, contraction distortion ability is strong, it is not likely to produce the bad phenomenons such as product slurry, ponding, debris ponding can be prevented effectively from and enter post-cast strip region, avoid secondary cleaning, simple in construction, easy construction, can effective accelerating construction progress, be worthy to be popularized.
Description
Technical field
The present invention relates to building engineering field, more particularly to a kind of basement advanced water-stop post-pouring zone structure and its construction party
Method.
Background technology
Since reform and opening-up, especially since last decade, Chinese society economy is developed rapidly, and construction scale is increasingly grand,
Structural shape is more complicated various, particularly overlength, ultra-deep basement structure and high-rise main tower and low layer or multilayer annex phase
The structure type of connection is a lot, and this requires to set late poured band structure.It presently, there are and advanced water-stopping construction is poured after some, but this
It is not straight that a little advanced water-stoppings constructions have the easy seepage in post-cast strip, crack, product slurry, ponding, a surface, flatness it is poor and after
Pour the problems such as clearing up difficult with interior debris.
The content of the invention
It is an object of the invention to overcome the defect of prior art there is provided a kind of basement advanced water-stop post-pouring zone structure,
What the technical scheme of the basement advanced water-stop post-pouring zone structure was realized in：
A kind of basement advanced water-stop post-pouring zone structure, including left and right basement agent structure and middle post-cast strip, it is described
The native face of meeting of basement advanced water-stop post-pouring zone structure is additionally provided with cast-in-place concrete trapezoidal groove structure, the basement main body
Waterproof roll layer, waterproof coating layer and fish tail and waterproof layer are sequentially provided with the outside of structure, middle post-cast strip and trapezoidal groove structure.
The nearly native side steel bar stress of the cast-in-place concrete trapezoidal groove structure gos deep into the basement agent structure of left and right, described
Expansion joint is provided with the middle of trapezoidal groove structure, the near-end at the expansion joint and middle post-cast strip is provided with U-shaped reinforcing bar, expansion joint two
Side is provided with external labeling type waterstop, and nearly soil side distal end is provided with inside back-adhering waterstop, the expansion joint to be filled with pitch, spunyarn
Seam.
The middle post-cast strip both sides middle part is provided with c-type steel plate for sealing water, and the c-type steel plate for sealing water is perpendicular to main body
Structure and post-cast strip are set, and water expandable waterstop are provided with the outside of c-type steel plate for sealing water, middle post-cast strip both sides are additionally provided with close mesh steel
Silk screen.
Further, when agent structure is side wall, the agent structure both sides are reserved with for fixing plugging structure
High-strength bolt.
The concrete of the middle post-cast strip is shrinkage compensated concrete, and concrete grade is higher than basement agent structure etc.
Level one-level；The basement agent structure and the concrete of trapezoidal groove structure be it is integrated pour, after the concrete of post-cast strip
Pour.
Plugging structure is provided with the inside of the basement agent structure and middle post-cast strip.
Further, the basement agent structure includes basement bottom board and basement side wall, when for basement bottom board
When, the plugging structure is using glued cover closure, when being that enclosed construction is using formwork structure closing for side wall.
The step of construction method of above-mentioned basement bottom board advanced water-stop post-pouring zone structure, is as follows：
(1) the waterproof roll layer, waterproof coating layer and fish tail and waterproof layer of basement bottom board outer layer are performed first；
(2) fabrication and installation trapezoidal groove structure and basement agent structure include the reinforcing bar of post-cast strip and colligation is fixed, and use
Supporting steel bar is supported, and leveling, levelling；
(3) external labeling type waterstop is laid along expansion joint center line both sides and end, is formed and closed together at expansion joint
Sealing collar, at expansion joint using extruded polystyrene board fill, set up during construction U-shaped reinforcing bar be used for fix extruded polystyrene board and rubber
Glue waterstop, extruded polystyrene board and rubber fastening band are effectively positioned；
(4) c-type steel plate for sealing water is welded in post-cast strip both sides, steel plate for sealing water direction is installed water-swellable and stopped towards native face is met
Water bar, then post-cast strip both sides welded reinforcement skeleton, outsourcing dense mesh, skeleton reinforcing steel bar are fixed with bottom plate, exterior wall reinforcing bar colligation
Together；
(5) bottom plate integrated template fabrication and installation, and reserve horizontal water stop slot；
(6) concrete of trapezoidal groove structure is poured, extruded polystyrene board is drawn except clean, and with spunyarn, pitch jointing；
(7) plugging structure is performed；Brick band is performed at bottom plate two ends first, is covered again with glued cover plate on brick band；
(8) wait to settle basicly stable after-pouring post-cast strip complementary contraction concrete.
The step of construction method of above-mentioned basement side wall advanced water-stop post-pouring zone structure, is as follows：
(1) fabrication and installation trapezoidal groove structure and basement side wall include the reinforcing bar of post-cast strip and colligation is fixed, and use split heads
Muscle is supported, and leveling, levelling；
(2) external labeling type waterstop is laid along expansion joint center line both sides and end, is formed and closed together at expansion joint
Sealing collar, at expansion joint using extruded polystyrene board fill, set up during construction U-shaped reinforcing bar be used for fix extruded polystyrene board and rubber
Glue waterstop, extruded polystyrene board and rubber fastening band are effectively positioned；
(3) c-type steel plate for sealing water is welded in post-cast strip both sides, steel plate for sealing water direction is installed water-swellable and stopped towards native face is met
Water bar, then post-cast strip both sides welded reinforcement skeleton, outsourcing dense mesh, skeleton reinforcing steel bar are fixed with bottom plate, exterior wall reinforcing bar colligation
Together；
(4) side wall integrated template fabrication and installation, exterior wall advanced water-stopping band is integrated with outer wall formwork of basement, concrete
Brace and support are provided with construction, side wall dense mesh, post-cast strip both sides side wall reserves high-strength bolt, for fixed closure
Template；
(5) concrete of trapezoidal groove structure is poured, extruded polystyrene board is drawn except clean, and with spunyarn, pitch jointing；Apply
Do the waterproof layer of basement side wall；
(6) plugging structure is performed；Directly closing is realized with the high-strength bolt fixed form for being reserved in both sides agent structure；
(7) wait to settle basicly stable after-pouring post-cast strip complementary contraction concrete.
The basement advanced water-stop post-pouring zone structure of the present invention has following beneficial aspects：
(1) rubber fastening band is set in advanced water-stopping band expansion joint side and bottom, closing sealing collar is formed, in base top
Two horizontal water stopping troughs are set up in face, form constructional waterproofing, and common with the waterproof layer of polyurethane coating film waterproof, waterproof roll composition
Multilayer flashing is constituted in antenatal waterstop position, water proof anti-seepage effect is improved, while post-cast strip region is provided with steel plate for sealing water
And water expandable waterstop improves the waterproof effect of post-cast strip region.
(2) advanced water-stopping band expansion joint pours before concrete and to set extruded polystyrene board and rubber fastening band sets seam using staying, after pouring
To extruded polystyrene board raked joint, and with water proofing asphalt and the spunyarn cementation of fissures, it be ensure that while reaching good waterproofing effect at post-cast strip
Contraction distortion ability.
(3) post-cast strip both sides are provided with dense mesh, occur product slurry when preventing from vibrating during rear pouring concrete with concrete
Phenomenon, it is ensured that post-cast strip impression quality.
(4) post-cast strip top surface is provided with plugging structure, and during preventing that post-cast strip from placing, debris, sewage enter, it is to avoid secondary
Cleaning.
Brief description of the drawings
Fig. 1 is the schematic diagram of basement advanced water-stopping bottom plate rear pouring tape structure of the present invention；
Fig. 2 is the schematic diagram of basement advanced water-stopping side wall late poured band structure of the present invention.
Reference：Post-cast strip in the middle of 1-, 2- basements agent structure (including bottom plate and side wall), 3- cast-in-place concretes ladder
Connected in star structure, 301- transverse steels, 4- waterproof rolls layer, 40- polyurethane waterproof coatings layer, 5- fish tail and waterproof layers, 6- coagulations
Soil padding, 7- expansion joints, 71-U steel bars, 72- pitches, the spunyarn cementation of fissures, 73- both sides external labeling type waterstop, 74- ends external labeling type
Waterstop, the horizontal water stop slots of 8-, 8a- high-strength bolts, 9-C type steel plate for sealing water, 10- water expandable waterstops, 11- closure knots
Structure, 111- brick bands, 112- gluing cover plates, 12- dense meshes.
Embodiment
The present invention is described in further detail with specific embodiment below in conjunction with the accompanying drawings.
Embodiment 1
As shown in figure 1, a kind of basement bottom board advanced water-stop post-pouring zone structure, including left and right basement bottom board 2 and centre
Cast-in-place concrete trapezoidal groove structure 3, basement bottom board 2 and cast-in-place concrete are provided with below post-cast strip 1, in addition to post-cast strip
The lower section of trapezoidal groove structure 3 is followed successively by waterproof roll layer 4, waterproof coating layer 40, fish tail and waterproof layer 5 and concrete cushion 6.
When it is implemented, the transverse steel 301 of cast-in-place concrete trapezoidal groove structure 3 gos deep into left and right sides basement bottom board
Expansion joint 7 is provided with the middle of 2 tops, trapezoidal groove structure 3, expansion joint 7 is provided with U-shaped reinforcing bar 71 with the middle handing-over of post-cast strip 1 end, interior
Portion is installed with extruded polystyrene board, after raked joint after concreting, then with pitch, the cementation of fissures of spunyarn 72, the both sides of expansion joint 7 are provided with two
Side external labeling type waterstop 73, bottom is provided with end external labeling type waterstop 74, and outside is connected with waterproof roll layer 4, trapezoidal groove
The both sides of structure 3 are additionally provided with two horizontal water stop slots 8.
When it is implemented, being provided with steel plate for sealing water 9 in the middle of the both sides of middle post-cast strip 1, the lower section of steel plate for sealing water 9 is provided with chance water
Expansion sealing strip 10, is vertically provided with dense mesh 12 sideways, and the middle inner side of post-cast strip 1 is additionally provided with plugging structure 11, wrapped
Two ends brick band 111 and intermediate rubber closing lid plate 112 are included, the concrete of middle post-cast strip 1 is shrinkage compensated concrete, and coagulation is poured after being
Soil.
When it is implemented, the junction of plugging structure 11 and basement bottom board 2 uses cement mortar to carry out the smooth place that plasters
Reason.
Poured when it is implemented, trapezoidal groove structure 3 is integrated with the concrete of basement bottom board 2.
When it is implemented, the two ends of trapezoidal groove structure 3 are longer than the straight line portion of middle post-cast strip 1 and the level of broken line part
Length is not less than 250mm.
When it is implemented, the strength grade that compensating concrete is poured behind middle post-cast strip 1 is more than the coagulation of basement bottom board 2
Native grade one-level.
The step of construction method of above-mentioned basement bottom board advanced water-stop post-pouring zone structure, is as follows：
(1) concrete cushion 6 of basement bottom board outer layer is performed first, then performs waterproof roll layer 4, waterproof coating layer 40
With fish tail and waterproof layer 5；
(2) fabrication and installation trapezoidal groove structure 3 and basement agent structure 2 include reinforcing bar and the colligation of middle post-cast strip 1
It is fixed, supported with supporting steel bar, and leveling, levelling；
(3) both sides external labeling type waterstop 73 and end external labeling type waterstop 74 are laid along the center line both sides of expansion joint 7,
The sealing collar of closing together is formed at expansion joint 7, is filled at expansion joint 7 using extruded polystyrene board, U-shaped reinforcing bar is set up during construction
71 are used for fixing extruded polystyrene board and rubber fastening band, and extruded polystyrene board and rubber fastening band are effectively positioned；
(4) in the middle both sides of post-cast strip 1 welding c-type steel plate for sealing water 9, the direction of steel plate for sealing water 9 is installed towards native face is met and meets water
Expansion sealing strip 10, then post-cast strip both sides welded reinforcement skeleton, outsourcing dense mesh 12, skeleton reinforcing steel bar and bottom plate, exterior wall steel
Muscle colligation is fixed together；
(5) bottom plate integrated template fabrication and installation, and reserve horizontal water stop slot 8；
(6) concrete of trapezoidal groove structure 3 is poured, extruded polystyrene board is drawn and removes clean, and is hooked with spunyarn, pitch 72
Seam；
(7) plugging structure 11 is performed；Brick band 111 is performed at bottom plate two ends first, is covered again with glued cover plate 112 on brick band
Lid；
(8) wait to settle basicly stable after-pouring post-cast strip complementary contraction concrete.
Embodiment 2
As shown in Fig. 2 a kind of basement side wall advanced water-stop post-pouring zone structure, including left and right basement side wall 2 and centre
Cast-in-place concrete trapezoidal groove structure 3, basement side wall 2 and cast-in-place concrete are provided with below post-cast strip 1, in addition to post-cast strip
The outside of trapezoidal groove structure 3 is followed successively by waterproof roll layer 4, waterproof coating layer 5, fish tail and waterproof layer 6.
When it is implemented, the transverse steel 301 of cast-in-place concrete trapezoidal groove structure 3 gos deep into left and right sides basement side wall
Expansion joint 7 is provided with the middle of 2 inner sides, trapezoidal groove structure 3, expansion joint 7 is provided with U-shaped reinforcing bar 71 with the middle handing-over of post-cast strip 1 end, interior
Portion is installed with extruded polystyrene board, after raked joint after concreting, then with pitch, the cementation of fissures of spunyarn 72, the both sides of expansion joint 7 are provided with both sides
External labeling type waterstop 73, outboard end is provided with end external labeling type waterstop 74, and outside is connected with waterproof roll layer 4.
When it is implemented, being provided with steel plate for sealing water 9 in the middle of the both sides of middle post-cast strip 1, the outside of steel plate for sealing water 9 is provided with chance water
Expansion sealing strip 10, post-cast strip region 1 is vertically provided with dense mesh 12, the basement side wall 2 of the middle both sides of post-cast strip 1
High-strength bolt 8 is reserved with, for fixing plugging structure 11, plugging structure 11 is stopend so that middle post-cast strip 1 is formed
Closing space；The concrete of middle post-cast strip 1 pours shrinkage compensated concrete after being.
When it is implemented, dense mesh 12 is additionally provided with brace and support.
Poured when it is implemented, trapezoidal groove structure 3 is integrated with the concrete of basement side wall 2.
When it is implemented, the two ends of trapezoidal groove structure 3 are longer than the straight line portion of middle post-cast strip 1 and the level of broken line part
Length is not less than 250mm.
When it is implemented, the strength grade that compensating concrete is poured behind middle post-cast strip 1 is more than the coagulation of basement side wall 2
Native grade one-level.
The step of construction method of above-mentioned basement side wall advanced water-stop post-pouring zone structure, is as follows：
(1) fabrication and installation trapezoidal groove structure 3 and basement side wall 2 include the reinforcing bar of middle post-cast strip 1 and colligation is fixed,
Supported with supporting steel bar, and leveling, levelling；
(2) both sides external labeling type waterstop 73 and end external labeling type waterstop 74 are laid along the center line both sides of expansion joint 7,
The sealing collar of closing together is formed at expansion joint 7, is filled at expansion joint 7 using extruded polystyrene board, U-shaped reinforcing bar is set up during construction
71 are used for fixing extruded polystyrene board and rubber fastening band, and extruded polystyrene board and rubber fastening band are effectively positioned；
(3) in the middle both sides of post-cast strip 1 welding c-type steel plate for sealing water 9, the direction of steel plate for sealing water 9 is installed towards native face is met and meets water
Expansion sealing strip 10, then the both sides welded reinforcement skeleton of post-cast strip 1, outsourcing dense mesh 12, skeleton reinforcing steel bar and bottom plate, exterior wall steel
Muscle colligation is fixed together；
(4) the integrated template fabrication and installation of basement side wall 2, exterior wall advanced water-stopping band and the template of outer wall of basement 2, coagulation
Brace and support are provided with native integrated construction, side wall dense mesh 12, the both sides side wall 2 of post-cast strip 1 reserves high-strength bolt
8a, for fixing stopend 11；
(5) concrete of trapezoidal groove structure 3 is poured, extruded polystyrene board is drawn and removes clean, and is hooked with spunyarn, pitch 72
Seam；Perform the waterproof layer of basement side wall；
(6) plugging structure 11 is performed；Directly envelope is realized with the high-strength bolt 8a fixed forms for being reserved in both sides agent structure
Close；
(7) wait to settle basicly stable after-pouring post-cast strip complementary contraction concrete.
The technology contents and technical characteristic of the present invention have revealed that as above those skilled in the art are still potentially based on this
The teaching of invention and make the replacement and modification without departing substantially from essence of the invention, therefore, the scope of the present invention is not limited to embodiment
Disclosed content, also including various replacements and modification without departing substantially from essence of the invention.
Claims (3)
1. a kind of basement advanced water-stop post-pouring zone structure, including left and right basement agent structure and middle post-cast strip, its feature
It is：The native face of meeting of the basement advanced water-stop post-pouring zone structure is additionally provided with cast-in-place concrete trapezoidal groove structure, described
Basement agent structure, middle post-cast strip be sequentially provided with the outside of trapezoidal groove structure waterproof roll layer, waterproof coating layer and
Fish tail and waterproof layer；
The nearly native side steel bar stress of the cast-in-place concrete trapezoidal groove structure gos deep into the basement agent structure of left and right, described trapezoidal
Expansion joint is provided with the middle of groove structure, the near-end at the expansion joint and middle post-cast strip is provided with U-shaped reinforcing bar, and expansion joint both sides are set
External labeling type waterstop is equipped with, nearly soil side distal end is provided with inside back-adhering waterstop, the expansion joint with pitch, the spunyarn cementation of fissures；
The middle post-cast strip both sides middle part is provided with c-type steel plate for sealing water, and the c-type steel plate for sealing water is perpendicular to agent structure
Set with post-cast strip, water expandable waterstop is provided with the outside of c-type steel plate for sealing water, middle post-cast strip both sides are additionally provided with close mesh steel wire
Net；
The concrete of the middle post-cast strip is shrinkage compensated concrete, and concrete grade is higher than basement agent structure grade one
Level；The basement agent structure and the concrete of trapezoidal groove structure be it is integrated pour, poured after the concrete of post-cast strip；
Plugging structure is provided with the inside of the basement agent structure and middle post-cast strip.
2. basement advanced water-stop post-pouring zone structure according to claim 1, it is characterised in that：The basement body junction
Structure includes basement bottom board and basement side wall, when for basement bottom board, and the plugging structure uses glued cover closure, when
During for side wall, plugging structure is closed using formwork structure.
3. the construction method of the basement advanced water-stop post-pouring zone structure described in any of the above claim, it is characterised in that：Institute
The construction method step for stating basement advanced water-stop post-pouring zone structure is as follows：
(1) the waterproof roll layer, waterproof coating layer and fish tail and waterproof layer of basement bottom board outer layer are performed first；
(2) fabrication and installation trapezoidal groove structure and basement agent structure include the reinforcing bar of post-cast strip and colligation is fixed, and use split heads
Muscle is supported, and leveling, levelling；
(3) external labeling type waterstop and outboard end back-adhering waterstop are laid along expansion joint center line both sides, at expansion joint
The sealing collar of closing together is formed, is filled at expansion joint using extruded polystyrene board, U-shaped reinforcing bar is set up during construction and is used for fixed squeeze
Styrofoam and rubber fastening band are moulded, extruded polystyrene board and rubber fastening band are effectively positioned；
(4) c-type steel plate for sealing water is welded in post-cast strip both sides, water expandable waterstop is installed in steel plate for sealing water direction towards native face is met,
Post-cast strip both sides welded reinforcement skeleton again, outsourcing dense mesh, skeleton reinforcing steel bar is fixed on one with bottom plate, exterior wall reinforcing bar colligation
Rise；
(5) bottom plate, side wall integrated template fabrication and installation, exterior wall advanced water-stopping band are applied with outer wall formwork of basement, with integrated
Brace and support are provided with work, side wall dense mesh, high-strength bolt is reserved at side wall two ends, for fixing stopend；Bottom
Plate reserves horizontal water stop slot；
(6) concrete of trapezoidal groove structure is poured, extruded polystyrene board is drawn except clean, and with spunyarn, pitch jointing；Perform ground
The waterproof layer of lower room side wall；
(7) plugging structure is performed；Side wall directly realizes closing, bottom with the high-strength bolt fixed form for being reserved in both sides agent structure
Plate performs brick band at two ends, is covered on brick band with glued cover plate；
(8) wait to settle basicly stable after-pouring post-cast strip complementary contraction concrete.
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| CN201710781124.1A CN107326940B (en) | 2017-09-01 | 2017-09-01 | basement advanced water stop post-cast strip structure and construction method thereof |
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Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109403631A (en) * | 2018-12-08 | 2019-03-01 | 上海宝冶集团有限公司 | A kind of ground-connecting-wall connect waterproof construction method with original place flowering structure |
| CN109537635A (en) * | 2018-11-30 | 2019-03-29 | 中衡卓创国际工程设计有限公司 | Top plate of underground parking garage waterproofing of movement joints node and method of construction |
| CN109736357A (en) * | 2019-02-25 | 2019-05-10 | 中建四局第一建筑工程有限公司 | A kind of basement bottom plate rear pouring tape construction joint optimization processing structure |
| CN110144974A (en) * | 2019-06-20 | 2019-08-20 | 中国五冶集团有限公司 | A kind of construction method and its structure of fixed flush type waterstop |
| CN110158664A (en) * | 2019-05-13 | 2019-08-23 | 浙江大东吴集团建设有限公司 | A kind of basement post-pouring zone anti-seepage construction method |
| CN110344426A (en) * | 2019-07-12 | 2019-10-18 | 无锡市亨利富建设发展有限公司 | Sole plate variable cross-section pouring after settlement reinforced mesh support system construction method |
| CN110552431A (en) * | 2019-09-06 | 2019-12-10 | 中国一冶集团有限公司 | Induced joint structure for basement crack control and construction method |
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| CN113266042A (en) * | 2021-06-24 | 2021-08-17 | 中益诚达建设集团有限公司 | Basement advanced water-stop post-cast strip and construction method thereof |
| CN113882436A (en) * | 2021-10-14 | 2022-01-04 | 重庆建工第四建设有限责任公司 | Advanced water-stopping pouring construction method |
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| CN109537635B (en) * | 2018-11-30 | 2021-02-19 | 中衡卓创国际工程设计有限公司 | Waterproof node for deformation joint of top plate of underground garage and construction method |
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| CN110144974A (en) * | 2019-06-20 | 2019-08-20 | 中国五冶集团有限公司 | A kind of construction method and its structure of fixed flush type waterstop |
| CN110144974B (en) * | 2019-06-20 | 2023-12-26 | 中国五冶集团有限公司 | Construction method and structure of fixed embedded type water stop |
| CN110344426A (en) * | 2019-07-12 | 2019-10-18 | 无锡市亨利富建设发展有限公司 | Sole plate variable cross-section pouring after settlement reinforced mesh support system construction method |
| CN110552431A (en) * | 2019-09-06 | 2019-12-10 | 中国一冶集团有限公司 | Induced joint structure for basement crack control and construction method |
| CN110552431B (en) * | 2019-09-06 | 2021-05-18 | 中国一冶集团有限公司 | Induced joint structure for basement crack control and construction method |
| CN112112292A (en) * | 2020-07-28 | 2020-12-22 | 中建八局第四建设有限公司 | Construction method for preventing concrete from permeating into two sides of post-cast strip of bottom plate of garage |
| CN113266042A (en) * | 2021-06-24 | 2021-08-17 | 中益诚达建设集团有限公司 | Basement advanced water-stop post-cast strip and construction method thereof |
| CN113882436A (en) * | 2021-10-14 | 2022-01-04 | 重庆建工第四建设有限责任公司 | Advanced water-stopping pouring construction method |
| CN115030203A (en) * | 2022-07-18 | 2022-09-09 | 南京宇正建设工程有限公司 | Construction structure and construction method of high-pressure jet grouting impervious wall |
| CN115030203B (en) * | 2022-07-18 | 2024-01-05 | 南京宇正建设工程有限公司 | Construction structure of high-pressure rotary spraying impervious wall and construction method thereof |
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