CN114775699A - Post-cast strip structure and construction method thereof - Google Patents
Post-cast strip structure and construction method thereof Download PDFInfo
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- CN114775699A CN114775699A CN202210617464.1A CN202210617464A CN114775699A CN 114775699 A CN114775699 A CN 114775699A CN 202210617464 A CN202210617464 A CN 202210617464A CN 114775699 A CN114775699 A CN 114775699A
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- 238000010276 construction Methods 0.000 title claims abstract description 14
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 177
- 239000004567 concrete Substances 0.000 claims abstract description 47
- 239000000463 material Substances 0.000 claims abstract description 29
- 238000001914 filtration Methods 0.000 claims abstract description 22
- 230000002209 hydrophobic effect Effects 0.000 claims abstract description 20
- 239000002985 plastic film Substances 0.000 claims abstract description 19
- 229920006255 plastic film Polymers 0.000 claims abstract description 19
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 12
- 239000010959 steel Substances 0.000 claims abstract description 12
- 230000007704 transition Effects 0.000 claims description 7
- 230000008595 infiltration Effects 0.000 claims description 6
- 238000001764 infiltration Methods 0.000 claims description 6
- 239000004744 fabric Substances 0.000 claims description 4
- 238000004140 cleaning Methods 0.000 claims description 3
- 230000008878 coupling Effects 0.000 claims description 2
- 238000010168 coupling process Methods 0.000 claims description 2
- 238000005859 coupling reaction Methods 0.000 claims description 2
- 238000000034 method Methods 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract description 15
- 238000007599 discharging Methods 0.000 abstract description 2
- 239000003673 groundwater Substances 0.000 description 14
- 239000004746 geotextile Substances 0.000 description 5
- 230000000903 blocking effect Effects 0.000 description 3
- 230000002349 favourable effect Effects 0.000 description 3
- 239000012466 permeate Substances 0.000 description 3
- 239000002245 particle Substances 0.000 description 2
- 230000000149 penetrating effect Effects 0.000 description 2
- 239000004575 stone Substances 0.000 description 2
- 102100040428 Chitobiosyldiphosphodolichol beta-mannosyltransferase Human genes 0.000 description 1
- 241000372132 Hydrometridae Species 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 238000009412 basement excavation Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 235000019994 cava Nutrition 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 239000011150 reinforced concrete Substances 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 239000003643 water by type Substances 0.000 description 1
Images
Classifications
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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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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D19/00—Keeping dry foundation sites or other areas in the ground
- E02D19/06—Restraining of underground water
- E02D19/10—Restraining of underground water by lowering level of ground water
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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
- E02D29/045—Underground structures, e.g. tunnels or galleries, built in the open air or by methods involving disturbance of the ground surface all along the location line; Methods of making them
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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
- E02D31/025—Draining membranes, sheets or fabric specially adapted therefor, e.g. with dimples
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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
- E02D31/04—Watertight packings for use under hydraulic pressure
Abstract
The application discloses post-cast strip structure and construction method thereof relates to the technical field of building engineering, and the post-cast strip structure comprises a foundation bed course, a coiled material water stop layer, a gravel water filtering layer, a plastic film water stop layer and a post-cast strip concrete layer which are laid from bottom to top in sequence, wherein a steel plate water stop belt is arranged at the junction of the post-cast strip concrete layer and the bottom plate concrete at two sides, and a hydrophobic component used for gathering and discharging underground seepage water is arranged in the gravel water filtering layer. This application has the waterproof ability of improvement post-cast strip structure department, reduces the effect of seepage phenomenon.
Description
Technical Field
The application relates to the technical field of constructional engineering, in particular to a post-cast strip structure and a construction method thereof.
Background
The post-cast strip is a temporary construction joint which is arranged in order to overcome harmful cracks caused by temperature, self shrinkage, uneven settlement of a structure and the like in the construction process of a cast-in-place reinforced concrete structure. The post-pouring belt is usually reserved according to design requirements, and is poured after the main body structure is reserved for a period of time, so that the structure is connected into a whole.
The post-cast strip structure is an effective structural form for controlling structural cracks, and the waterproof performance of the post-cast strip structure is a quality problem which needs to be taken into consideration. In the related technology, a horizontally arranged water stop steel plate is embedded in the intersection of the bottom plate concrete poured firstly and the post-pouring belt to serve as a main waterproof measure.
Although the arrangement can block partial water leakage, in areas with dense water nets and abundant underground water, the position of the post-cast strip still has the leakage phenomenon of different degrees, and the waterproof effect is not good.
Disclosure of Invention
In order to solve the problem that the waterproof effect of the position of the post-cast strip in the related art is not good, the application provides a post-cast strip structure and a construction method thereof.
In a first aspect, the application provides a post-cast strip structure, which adopts the following technical scheme:
the utility model provides a post-cast strip structure, includes basic bed course, coiled material stagnant water layer, rubble drainage layer, plastic film stagnant water layer and the post-cast strip concrete layer of laying in proper order from bottom to top, the bottom plate concrete intersection of post-cast strip concrete layer and both sides is provided with the steel sheet waterstop, be provided with in the rubble drainage layer and be used for gathering underground permeate water and exhaust hydrophobic component.
Through adopting above-mentioned technical scheme, the stagnant water measure that coiled material stagnant water layer, plastic film stagnant water layer and steel sheet waterstop three-layer interval set up blocks up groundwater outside at post-cast strip concrete layer, if appear because under the different effect of both sides structural load, lead to the foundation bed course to take place to split, the condition of coiled material stagnant water layer inefficacy, the groundwater that hydrophobic component will permeate into gathers the extraction and discharges, reduces the groundwater pressure that post-cast strip concrete layer received. The waterproof effect is improved by the mode of firstly blocking and then dredging and dredging.
Optionally, hydrophobic subassembly includes a plurality of collector pipes that set up along post-cast strip concrete layer length direction, a plurality of inlet openings have been seted up towards the lower half of coiled material stagnant water layer to the collector pipe, the drill way department of inlet opening is provided with geotechnological cloth, the intercommunication has first connecting pipe on the adjacent collector pipe, first connecting pipe intercommunication has the vertical second connecting pipe of arranging, the one end intercommunication that first connecting pipe was kept away from to the second connecting pipe has the outlet pipe, outlet pipe one end is sealed, and the other end is uncovered, and the opening end stretches out to the structure outside and is connected with the suction pump and is used for the drainage.
Through adopting above-mentioned technical scheme, the suction pump draws water through the outlet pipe, and the groundwater that infiltrates in the rubble water filtering layer is discharged in being concentrated to the outlet pipe through first connecting pipe and second connecting pipe afterwards from the inlet opening by suction to the collector pipe, has effectively reduceed the groundwater pressure that post-cast strip concrete layer received to improve water-proof effects, reduce the seepage phenomenon of post-cast strip position.
Optionally, one side of the foundation mat facing the post-cast strip concrete layer is laid according to a concave-convex wavy transition structure, and the water collecting pipes are correspondingly arranged at concave-convex positions in the gravel water filtering layer.
Through adopting above-mentioned technical scheme, the foundation bed course sets up the wavy transition structure of unsmooth undulation, and the coiled material sealing up layer is laid according to the structure of foundation bed course equally, when leading to foundation bed course and coiled material waterproof layer to appear the fracture because the structure load is different, and the fracture department appears in the position of unsmooth undulation more easily, and the position that the collector pipe corresponds unsmooth undulation arranges, is favorable to in time collecting the discharge with the groundwater that permeates into. The base bottom plate and the position where the waterproof layer of the coiled material is likely to break is controlled in a preset mode, so that targeted hydrophobic treatment is carried out, and a better waterproof effect is achieved; and if the fracture part does not appear at the concave-convex fluctuating position, the concave-convex fluctuating wavy transition structure is more favorable for gathering after groundwater infiltration, and drainage is convenient to carry out.
Optionally, the vertical water conservancy diversion post that wears to be equipped with of inlet opening department in the collector pipe, the diameter of water conservancy diversion post in inlet opening department is less than the aperture of inlet opening, water conservancy diversion post one end rigid coupling is in the collector pipe, and the water conservancy diversion post other end stretches out the collector pipe and moves towards the position of basic bed course.
Through adopting above-mentioned technical scheme, when the coiled material waterproof layer fracture became invalid, the water guide post can stretch into, pass the coiled material waterproof layer to contact the groundwater that gets into rubble drainage layer at first, the water guide post plays certain guide effect to the direction of infiltration of groundwater, thereby makes more concentrated entering into the collector pipe of infiltration water, strengthens hydrophobic effect, reduces the infiltration of groundwater to post-cast strip concrete layer.
Optionally, the outer side of the water guiding column is arranged in a necking shape from one end outside the water collecting pipe to one end inside the water collecting pipe.
Through adopting above-mentioned technical scheme, the lateral surface of water guide post sets up to the inclined plane, and one side outside the collecting tube contacts more secret infiltration waters, with it along the inclined plane leading-in to the collecting tube in, the throat form sets up and does benefit to rivers guide to hydrophobic effect has been strengthened.
Optionally, water guide blind hole has been seted up between two parties to the water guide post, water guide blind hole department is provided with geotechnological cloth, water guide post is located and has seted up on the lateral surface in the collector tube and run through to the apopore in the water guide blind hole.
By adopting the technical scheme, the underground water permeating into the gravel water filtering layer can enter the water collecting pipe through the water inlet hole in the water collecting pipe and can also enter the water collecting pipe through the water guide blind hole. The water guide blind hole is formed, so that the absorption capacity of the drainage component for penetrating underground water is improved, and the waterproof effect is improved.
Optionally, the plastic film water stop layer is overlapped with at least two layers.
Through adopting above-mentioned technical scheme, set up multilayer plastic film stagnant water layer and be used for improving the nature of insurability, after one of them layer plastic film stagnant water layer became invalid, remaining plastic film stagnant water layer still can continue to play the stagnant water effect to groundwater has been reduced and has been followed post-cast and has been taken the possibility that concrete layer oozed.
In a second aspect, the application provides a construction method of a post-cast strip structure, which adopts the following technical scheme:
a construction method of a post-cast strip structure comprises the following steps:
s1, excavating earth, constructing a foundation cushion layer, and paving a coiled material water stop layer;
s2, arranging a hydrophobic component corresponding to the structure of the foundation cushion layer, laying a gravel water-filtering layer, and laying a plastic film water-stopping layer on the flat surface of the gravel water-filtering layer;
s3, mounting a bottom plate concrete pouring template, arranging a steel plate waterstop, pouring bottom plate concrete on two sides of a post-pouring strip, vibrating tightly after pouring, and checking according to the requirements of bottom plate concrete construction specifications;
and S4, pouring a concrete layer of the post-cast strip after the bottom plate concrete shrinks and the building settles stably and reaches the time required by the design, cleaning sundries at the position of the post-cast strip before pouring, fully vibrating and compacting after pouring, preserving heat and moisture, and maintaining.
Through adopting above-mentioned technical scheme, the stagnant water layer that the three-layer interval set up strengthens the water shutoff ability of post-cast strip structure department, and the drainage ability of post-cast strip structure department is strengthened to arranging of hydrophobic subassembly, and the bottom plate concrete layer of post-cast strip concrete layer and both sides carries out standard maintenance respectively, is favorable to improving the pouring quality of concrete self to reduce the influence of post-cast strip department percolating water.
In summary, the present application includes at least one of the following beneficial technical effects:
1. the underground water is blocked outside the post-cast strip concrete layer by the water-stopping measures arranged at intervals of the three layers of the coiled material water-stopping layer, the plastic film water-stopping layer and the steel plate water-stopping strip, if the foundation cushion layer is fractured and the coiled material water-stopping layer fails, the underground water infiltrated by the hydrophobic component is gathered, extracted and discharged, and the underground water pressure on the post-cast strip concrete layer is reduced. The waterproof effect is improved by the mode of firstly blocking and then dredging and the combination of dredging and blocking.
2. Through setting up hydrophobic subassembly, the suction pump draws water through the outlet pipe, and the groundwater that infiltrates in the rubble water filter layer is discharged in being concentrated to the outlet pipe, has effectively reduceed the groundwater pressure that post-cast strip concrete layer received to improve water-proof effects, reduce the seepage phenomenon of post-cast strip position.
Drawings
FIG. 1 is a schematic cross-sectional view of a post-cast strip structure in an embodiment of the present application;
fig. 2 is a schematic view showing the cooperation of the water collecting pipe and the water guiding column in the embodiment of the present application.
Description of the reference numerals: 1. a foundation pad layer; 2. a coiled material water stopping layer; 3. breaking stone and filtering water; 4. a plastic film waterproof layer; 5. post-pouring a concrete layer of the belt; 6. bottom plate concrete; 7. a steel plate waterstop; 8. a hydrophobic component; 81. a water collection pipe; 811. a water inlet hole; 82. geotextile; 83. a first connecting pipe; 84. a second connection pipe; 85. a water outlet pipe; 86. a water guiding column; 861. a water guide blind hole; 862. and (4) water outlet holes.
Detailed Description
The present application is described in further detail below with reference to figures 1-2.
The embodiment of the application discloses a post-cast strip structure, which is shown in figure 1 and comprises a foundation mat layer 1, a coiled material water stop layer 2, a gravel water filtering layer 3, a plastic film water stop layer 4 and a post-cast strip concrete layer 5 which are laid from bottom to top in sequence; and a hydrophobic component 8 is arranged in the gravel water filtering layer 3, and the hydrophobic component 8 is used for gathering and extracting underground seepage water and discharging the underground seepage water.
The gravel water-filtering layer 3 is embedded into the hydrophobic component 8 when being laid, the hydrophobic component 8 comprises a water collecting pipe 81, the water collecting pipe 81 is arranged along the length direction of the post-cast strip concrete layer 5, and the water collecting pipe 81 is arranged corresponding to the concave-convex fluctuating positions of the foundation mat layer 1 and the coiled material water-stopping layer 2. The lower half part of the water collecting pipe 81 facing the coiled material water stop layer 2 is provided with a plurality of water inlet holes 811, the orifice of each water inlet hole 811 is covered with geotextile 82, and the geotextile 82 is used for filtering and separating underground water and flowing soil particles and small stone particles, so that the underground water passes through the geotextile 82 and enters the water collecting pipe 81.
The water collecting pipes 81 are provided with a plurality of pieces which are arranged in parallel, a first connecting pipe 83 is communicated between every two adjacent water collecting pipes 81, the first connecting pipe 83 is vertically communicated with a second connecting pipe 84 in the middle, one end, far away from the first connecting pipe 83, of the second connecting pipe 84 is communicated with a water outlet pipe 85, one end of the water outlet pipe 85 is a closed end, the other end of the water outlet pipe is an open end, part of the closed end is horizontally arranged in the gravel water filtering layer 3 in a penetrating mode, part of the open end of the water outlet pipe 85 extends out of the post-pouring belt structure and is connected with a water suction pump (not shown in the figure), and the water suction pump is used for providing drainage power.
Referring to fig. 2, water guiding columns 86 vertically penetrate through the water inlet 811 of the water collecting pipe 81, and a plurality of water guiding columns 86 are regularly arrayed along the axial direction of the water collecting pipe 81. One end of the water guiding column 86 is fixedly connected to the inside of the water collecting pipe 81, and the other end of the water guiding column 86 extends out of the water collecting pipe 81 and faces the foundation mat 1 and the coiled material water stopping layer 2. The water guiding column 86 is disposed in a tapered shape from an end outside the water collecting pipe 81 to an end inside the water collecting pipe 81, and the diameter of the water guiding column 86 at the hole of the water inlet hole 811 is smaller than that of the water inlet hole 811, so that the permeated groundwater can flow into the water collecting pipe 81 from the water inlet hole 811 along the inclined surface of the water guiding column 86.
Furthermore, a water guiding blind hole 861 is formed in the middle of one end face of the water guiding column 86 extending out of the water collecting pipe 81, and a geotextile 82 is arranged at an orifice of the water guiding blind hole 861. The depth of the water guiding blind hole 861 extends into the interior of the water collecting pipe 81, a water outlet hole 862 is formed in the side surface of the water guiding column 86, and the water outlet hole 862 is obliquely arranged and penetrates through the bottom end of the water guiding blind hole 861, so that the underground water can flow into the water collecting pipe 81 from the water guiding blind hole 861 of the water guiding column 86.
Referring to fig. 1, the plastic film water-stopping layer 4 is flatly laid on the gravel water-filtering layer 3, and the plastic film water-stopping layer 4 is provided with a plurality of layers which are laid in an overlapping manner to enhance the water-stopping capability. One side of the plastic film water stop layer 4 is the bottom plate concrete 6 and the post-cast strip concrete layer 5 which are poured firstly, and the intersection of the two is respectively and horizontally provided with a steel plate water stop strip 7.
The implementation principle of a post-cast strip structure in the embodiment of the application is as follows: and three water stopping measures arranged at intervals of the coiled material water stopping layer 2, the plastic film water stopping layer 4 and the steel plate water stopping strip 7 are used for stopping the seepage of underground water from the position of the post-cast strip. However, due to geological change or under the action of different structural loads on two sides of the post-cast strip, the foundation mat layer 1 and the coiled material water stop layer 2 may break and fail, the foundation mat layer 1 is provided with a wavy transition structure with concave and convex fluctuation, so that the broken part is more easily arranged at the concave and convex fluctuation position, the water collecting pipe 81 is arranged corresponding to the concave and convex fluctuation position, and underground water infiltrated from the broken part is collected and discharged.
When the coiled material water stop layer 2 is broken and fails, the water guide column 86 can extend into and penetrate through the coiled material water stop layer 2, a certain guiding effect on the permeation direction of underground water is achieved, the underground water enters the water collecting pipe 81 from the outer side of the water guide column 86 or the water guide blind hole 861 and is discharged through the water outlet pipe 85, and therefore permeation of the underground water to the post-cast strip concrete layer 5 is reduced.
The embodiment of the application further discloses a construction method of the post-cast strip structure, which comprises the following steps:
s1, excavating earth, constructing a foundation mat layer 1, paving the foundation mat layer 1 according to a concave-convex wavy transition structure, and paving a coiled material waterproof layer 2;
s2, arranging a hydrophobic component 8 corresponding to the structure of the foundation cushion layer 1, laying the gravel water-filtering layer 3, and laying a plurality of plastic film water-stopping layers 4 on the flat surface of the gravel water-filtering layer 3;
s3, installing pouring templates of the bottom plate concrete 6, arranging steel plate waterstops 7, pouring the bottom plate concrete 6 on two sides of a post-pouring strip, vibrating tightly after pouring, and checking according to the requirements of bottom plate concrete construction specifications;
and S4, pouring the concrete layer 5 of the post-pouring belt after the bottom plate concrete 6 shrinks and the building subsides stably and reaches the time required by the design, cleaning sundries in the post-pouring belt before pouring, fully vibrating and compacting after pouring, preserving heat and moisture, and maintaining.
The specific embodiments are only for explaining the present application and are not limiting to the present application, and those skilled in the art can make modifications to the embodiments without inventive contribution as required after reading the present specification, but all the embodiments are protected by patent law within the scope of the claims of the present application.
Claims (8)
1. A post-cast strip structure characterized by: including basic bed course (1), coiled material stagnant water layer (2), rubble drainage layer (3), plastic film stagnant water layer (4) and post-cast strip concrete layer (5) of laying in proper order from bottom to top, post-cast strip concrete layer (5) and bottom plate concrete (6) intersection of both sides are provided with steel sheet waterstop (7), be provided with in rubble drainage layer (3) and be used for gathering underground infiltration water and exhaust hydrophobic component (8).
2. A post-cast strip structure as claimed in claim 1, wherein: hydrophobic component (8) include a plurality of collector pipes (81) that set up along post-cast strip concrete layer (5) length direction, a plurality of inlet openings (811) have been seted up towards the lower half of coiled material stagnant water layer (2) in collector pipe (81), the drill way department of inlet opening (811) is provided with geotechnological cloth (82), the intercommunication has first connecting pipe (83) on adjacent collector pipe (81), first connecting pipe (83) intercommunication has vertical second connecting pipe (84) of arranging, the one end intercommunication that first connecting pipe (83) were kept away from in second connecting pipe (84) has outlet pipe (85), outlet pipe (85) one end is sealed, and the other end is uncovered, and the opening end stretches out to post-cast strip structure outside and is connected with the suction pump and is used for the drainage.
3. A post-cast strip structure as claimed in claim 2, wherein: one side of the foundation cushion layer (1) facing the post-cast strip concrete layer (5) is laid according to a concave-convex wavy transition structure, and the water collecting pipes (81) are correspondingly arranged at concave-convex positions in the gravel water filtering layer (3).
4. A post-cast strip structure as claimed in claim 3, wherein: water inlet (811) in the collector pipe (81) locate vertical water conservancy diversion post (86) of wearing to be equipped with, water conservancy diversion post (86) diameter in water inlet (811) department is less than the aperture of water inlet (811), water conservancy diversion post (86) one end rigid coupling is in collector pipe (81), and water conservancy diversion post (86) other end stretches out outside collector pipe (81) and towards the position of basic bed course (1).
5. A post-cast strip structure according to claim 4, wherein: the outer side surface of the water guide column (86) is arranged in a necking shape from one end outside the water collecting pipe (81) to one end inside the water collecting pipe (81).
6. A post-cast strip structure according to claim 4, wherein: water guide blind hole (861) has been seted up between two parties to water guide column (86), water guide blind hole (861) department is provided with geotechnological cloth (82), water guide column (86) are located and have seted up apopore (862) that run through and communicate to in water guide blind hole (861) on the lateral surface in collector pipe (81).
7. A post-cast strip structure as claimed in claim 1, wherein: the plastic film water stopping layer (4) is overlapped with at least two layers.
8. A construction method of a post-cast strip structure according to any one of claims 1-7, characterized in that: the method comprises the following steps:
s1, excavating earth, constructing a foundation cushion layer (1), and paving a coiled material water stop layer (2);
s2, arranging a hydrophobic component (8) corresponding to the structure of the foundation mat layer (1), laying a gravel water filtering layer (3), and laying a plastic film water stopping layer (4) on the flat surface of the gravel water filtering layer (3);
s3, installing pouring templates of the bottom plate concrete (6), arranging a steel plate waterstop (7), pouring the bottom plate concrete (6) on two sides of a post-pouring strip, vibrating tightly after pouring, and checking according to the requirements of bottom plate concrete construction specifications;
and S4, pouring the concrete layer (5) of the post-cast strip after the bottom plate concrete (6) shrinks and the building subsides stably and reaches the time required by the design, cleaning sundries at the position of the post-cast strip before pouring, fully vibrating and compacting after pouring, preserving heat and moisture, and maintaining.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210617464.1A CN114775699A (en) | 2022-06-01 | 2022-06-01 | Post-cast strip structure and construction method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210617464.1A CN114775699A (en) | 2022-06-01 | 2022-06-01 | Post-cast strip structure and construction method thereof |
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| CN114775699A true CN114775699A (en) | 2022-07-22 |
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| CN202210617464.1A Pending CN114775699A (en) | 2022-06-01 | 2022-06-01 | Post-cast strip structure and construction method thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115787747A (en) * | 2022-12-02 | 2023-03-14 | 中国二十冶集团有限公司 | Basement water-proof and drainage structure and construction method thereof |
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| CN207277387U (en) * | 2017-05-04 | 2018-04-27 | 民族建设集团有限公司 | A kind of post-cast strip for underground building waterproof construction |
| CN209482370U (en) * | 2018-12-22 | 2019-10-11 | 北京鲁润金科环保科技有限公司 | A kind of leakage preventing structure for hazardous waste disposal engineering |
| CN211646491U (en) * | 2019-12-09 | 2020-10-09 | 重庆市固体废物管理服务中心有限公司 | Base seepage-proofing structure for restoring ecological environment of mine |
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2022
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| KR20050112893A (en) * | 2004-05-28 | 2005-12-01 | 엄기형 | Method of drain construction for basement |
| CN207277387U (en) * | 2017-05-04 | 2018-04-27 | 民族建设集团有限公司 | A kind of post-cast strip for underground building waterproof construction |
| CN206829162U (en) * | 2017-05-31 | 2018-01-02 | 温州鹿城第一建筑工程有限公司 | Post-cast strip construction stage of concrete drain structure |
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| CN115787747A (en) * | 2022-12-02 | 2023-03-14 | 中国二十冶集团有限公司 | Basement water-proof and drainage structure and construction method thereof |
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