CN117758794A - Anti-expansion waterproof protection structure for underground concrete pouring and construction method thereof - Google Patents

Anti-expansion waterproof protection structure for underground concrete pouring and construction method thereof Download PDF

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Publication number
CN117758794A
CN117758794A CN202311762140.8A CN202311762140A CN117758794A CN 117758794 A CN117758794 A CN 117758794A CN 202311762140 A CN202311762140 A CN 202311762140A CN 117758794 A CN117758794 A CN 117758794A
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CN
China
Prior art keywords
layer
waterproof
drainage
plate
coiled material
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Pending
Application number
CN202311762140.8A
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Chinese (zh)
Inventor
陈世伟
王甜甜
张庭旺
王子祥
孙兆通
唐福爱
齐博伦
张华�
李宇
唐二波
白云鹤
魏奇智
陈志祥
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Tianjin Yiye Construction Engineering Co ltd
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Tianjin Yiye Construction Engineering Co ltd
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Application filed by Tianjin Yiye Construction Engineering Co ltd filed Critical Tianjin Yiye Construction Engineering Co ltd
Priority to CN202311762140.8A priority Critical patent/CN117758794A/en
Publication of CN117758794A publication Critical patent/CN117758794A/en
Pending legal-status Critical Current

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Abstract

The invention relates to the technical field of civil engineering, and discloses an anti-expansion waterproof protection structure for underground concrete pouring, which comprises a clay layer, a waterproof layer, a drainage layer, an isolation layer, a bearing layer and pouring holes, wherein the waterproof layer is arranged on a clay layer, the drainage layer is arranged on a waterproof layer, the isolation layer is arranged on a drainage layer, the bearing layer is arranged on an isolation layer, the pouring holes are arranged on a bearing layer, a water absorbing sponge is filled between the drainage layer and the isolation layer, a one-way valve is arranged in the drainage layer, and a drain pipe is arranged at the output end of the one-way valve. Through setting up drain bar and drainage strip at waterproofing membrane back of body water layer to and install the drain pipe therebetween, and set up the check valve, realized in time getting rid of moisture effectively, reduced the inside humidity of concrete, be favorable to the hardening of concrete.

Description

Anti-expansion waterproof protection structure for underground concrete pouring and construction method thereof
Technical Field
The invention relates to the technical field of civil engineering, in particular to an anti-expansion waterproof protection structure for underground concrete pouring and a construction method thereof.
Background
The underground concrete pouring waterproof structure is used as a common construction mode and is widely applied to the construction of an underground structure. However, the special nature of the underground environment brings certain challenges to the underground concrete structure, such as temperature change, humidity change, soil pressure and the like, which may cause the concrete structure to deform in a telescopic manner, so that problems of cracking, water seepage and the like are caused, and therefore, the adoption of the anti-telescopic waterproof protection structure becomes an important measure for pouring the underground concrete.
The existing underground concrete pouring waterproof structure is used for blocking underground water generally, when the waterproof layer is damaged, moisture can quickly permeate into the concrete, so that the waterproof effect is reduced, the waterproof capacity is reduced, and further the quality problems of cracks, hollows and the like of the concrete in the construction process are solved, and therefore the anti-telescopic waterproof protection structure for underground concrete pouring and the construction method thereof are provided.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides an anti-expansion waterproof protection structure for underground concrete pouring and a construction method thereof, which solve the problems that when a waterproof layer is damaged in the prior art, moisture can quickly permeate into the concrete, so that the waterproof effect is reduced and the waterproof capability is reduced.
In order to achieve the above purpose, the invention is realized by the following technical scheme: including clay layer, waterproof layer, drainage layer, isolation layer, loading layer, pouring hole, the waterproof layer sets up clay layer water-carrying layer, the drainage layer sets up waterproof layer water-carrying layer, the isolation layer sets up drainage layer water-carrying layer, the loading layer sets up isolation layer water-carrying layer, the pouring hole sets up loading layer water-carrying layer, the drainage layer with fill between the isolation layer and have the sponge that absorbs water, drainage layer internally mounted has the check valve, the drain pipe is installed to the check valve output.
Preferably, the waterproof layer comprises waterproof coating and waterproof coiled materials, the waterproof coating and the waterproof coiled materials are adhered through waterproof adhesive, the waterproof coiled materials are arranged on the clay soil layer in a water-carrying layer and cling to the clay soil layer, the drainage layer comprises a drainage plate and a drainage belt, and the drainage belt is arranged on the waterproof layer in the water-carrying layer and clings to the waterproof layer.
Preferably, the isolating layer comprises an isolating film and an isolating plate, the isolating plate is arranged on the back water layer of the drainage layer and clings to the drainage layer, the bearing layer comprises a reinforcing mesh and a concrete covering layer, and the reinforcing mesh is arranged on the back water layer of the isolating layer and clings to the isolating layer.
The invention is realized by the following technical scheme: the construction method of the anti-expansion waterproof protection structure for underground concrete pouring comprises the following steps: the method comprises the following steps:
step one, detecting the foundation condition of a construction area, and cleaning the construction area;
step two, paving a waterproof coiled material on the construction area after cleaning, brushing waterproof paint outside the waterproof coiled material Zhou Tu, and fixing the waterproof coiled material in the area needing to be irrigated through waterproof adhesive;
step three, installing a drain board and a drain belt on the laid waterproof coiled material back water layer, installing a drain pipe between the drain board and the drain belt, and installing a one-way valve at one end of the drain pipe;
fourthly, paving a separation membrane and a separation plate on a back water layer on which the drainage pipeline, the drainage plate and the drainage belt are installed, and filling water absorption sponge between the waterproof coiled material and the separation membrane;
step five, after the isolating membrane and the isolating plate are installed, paving the reinforcing steel bars on the isolating plate, fastening the paved reinforcing steel bars, and pouring a concrete covering layer;
and step six, performing quality inspection on the paved waterproof structure.
Preferably, in the first step, the foundation condition of the construction area is detected firstly, including parameters of humidity, compactness and pH value of soil, so as to ensure that the foundation of the construction area meets the requirement; and then cleaning the construction area, including removing sundries and garbage, and keeping the construction area clean.
Preferably, in the second step, the waterproof coating is brushed outside the waterproof coiled material Zhou Tu, and the waterproof coiled material can be uniformly coated by spraying or brushing, and the thickness of the spraying or brushing is 0.5mm to 1.5mm.
Preferably, in the third step, the drainage plate and the drainage belt are installed on the waterproof roll back water layer after the waterproof roll is laid, the waterproof roll is grooved or drilled according to the marked positions, then the drainage plate is inserted into the groove or fixed in the hole, and the waterproof roll is cut by using a cutting tool to form an opening suitable for installing the drainage belt.
Preferably, in the fourth step, the isolating film and the isolating plate are laid on the back water layer of the drainage pipeline, the drainage plate and the drainage belt after the installation, the isolating film is laid on the base surface according to the marked position, the whole waterproof system is ensured to be covered, the isolating film is fixed on the base surface by using a proper fixing mode, the isolating film is ensured to be flat and firm, the isolating plate is cut into the required size, the cut isolating plate is laid on the isolating film, the isolating plate is tightly connected with the drainage pipeline, the drainage plate and the back water layer of the drainage belt, and the isolating plate is fixed on the base surface by using a proper fixing mode, so that the isolating plate is ensured to be flat and firm.
Preferably, in the fifth step, after the isolating membrane and the isolating plate are installed, the reinforcing steel bars are paved on the isolating plate, the reinforcing steel bars are prefabricated into the required shape and size according to the positions and the lengths of the marks, the reinforcing steel bars are paved on the isolating plate according to the positions of the marks, the reinforcing steel bars are ensured to conform to the design requirements, and the reinforcing steel bar binding wires or other fixing modes are used for fixing the reinforcing steel bars on the isolating plate, so that the reinforcing steel bars are ensured to be firm and stable.
Preferably, in the sixth step, the quality inspection of the laid waterproof structure includes checking whether the waterproof coiled material, the drainage system, the isolation film and the like are intact or not, and whether the design requirement is met or not.
The invention provides an anti-expansion waterproof protection structure for underground concrete pouring and a construction method thereof. The beneficial effects are as follows:
1. according to the invention, the drain board and the drain belt are arranged on the back water layer of the waterproof coiled material, the drain pipe is arranged between the drain board and the drain belt, and the one-way valve is arranged, so that timely removal of water is effectively realized, the humidity in the concrete is reduced, and the hardening of the concrete is facilitated.
2. According to the waterproof and waterproof concrete, the waterproof effect is enhanced by filling the water-absorbing sponge between the waterproof coiled material and the isolating membrane, and the waterproof and waterproof concrete can absorb redundant water and keep the concrete dry.
3. According to the invention, the reinforcing steel bars are paved on the isolation plate and fastened, so that the strength and stability of the concrete are enhanced. Meanwhile, the pouring of the concrete covering layer forms a preliminary concrete structure, which is beneficial to preventing cracking of concrete.
Drawings
FIG. 1 is a schematic view of an anti-telescoping waterproof protection structure for underground concrete pouring;
FIG. 2 is an enlarged view of FIG. 1 at A;
FIG. 3 is a schematic view of a waterproof layer according to the present invention;
FIG. 4 is a schematic view of a drainage layer according to the present invention;
FIG. 5 is a schematic view of an isolation layer of the present invention;
FIG. 6 is a schematic diagram of a carrier layer according to the present invention;
wherein, 1, a clay layer; 2. a waterproof layer; 3. waterproof paint; 4. waterproof coiled materials; 5. a waterproof adhesive; 6. a drainage layer; 7. a drain plate; 8. a drainage belt; 9. an isolation layer; 10. a separation film; 11. a partition plate; 12. a bearing layer; 13. a reinforcing mesh; 14. a concrete cover layer; 15. a water absorbing sponge; 16. pouring holes; 17. a one-way valve; 18. and (5) a water drain pipe.
Detailed Description
The following description of the embodiments of the present invention will be made more apparent and fully hereinafter with reference to the accompanying drawings, in which some, but not all embodiments of the invention are shown. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Examples:
referring to fig. 1-3, the embodiment of the invention provides an anti-expansion waterproof protection structure for underground concrete pouring, which comprises a clay layer 1, a waterproof layer 2, a drainage layer 6, an isolation layer 9, a bearing layer 12 and a pouring hole 16, wherein the waterproof layer 2 is arranged on a back water layer of the clay layer 1, the drainage layer 6 is arranged on the back water layer of the waterproof layer 2, water which is permeated by the waterproof layer can be effectively discharged through the arrangement of the drainage layer 6, the isolation layer 9 is arranged on the back water layer of the drainage layer 6, the underground water can be effectively isolated through the arrangement of the isolation layer 9 on the back water layer of the drainage layer 6, the bearing layer 12 is arranged on the back water layer of the isolation layer 9, the concrete can be effectively borne through the arrangement of the bearing layer 12 on the back water layer of the bearing layer 9, the pouring hole 16 is arranged on the back of the bearing layer 12 and can effectively support the poured concrete, a water absorbing sponge 15 is filled between the drainage layer 6 and the isolation layer 9, the water can be effectively absorbed by the water absorbing sponge 15, the water which is not discharged can be effectively seen through the arrangement of the water absorbing sponge 15, the water can be effectively absorbed through the water layer 6, a one-way valve 17 can be arranged at the back water outlet valve 17 can be arranged, the water outlet valve 17 can be arranged at the end of the one-way valve 17 can be arranged, and the one-way valve can be arranged, the water outlet valve can be arranged at the end can be used for preventing the water can be effectively discharged through the water through the one-way valve 17, and the one-way valve can be arranged 18 can be arranged.
Referring to fig. 3 to 4, the waterproof layer 2 includes a waterproof coating 3 and a waterproof roll 4, the waterproof coating 3 and the waterproof roll 4 are adhered by a waterproof adhesive 5, and the waterproof roll 4 is a flexible material, typically a polymer film or a composite material, which can cover the waterproof coating and provide additional waterproof protection. Through bonding waterproof coating 3 and waterproofing membrane 4 together through waterproof adhesive 5, can form a continuous, sealed waterproof layer, prevent moisture infiltration, waterproofing membrane 4 sets up in the silt layer 1 back of the body water layer and hugs closely silt layer 1, and drainage layer 6 includes drain bar 7 and drainage belt 8, and drainage belt 8 sets up in waterproof layer 2 back of the body water layer and hugs closely waterproof layer 2, and drainage layer 6 comprises drain bar 7 and drainage belt 8, and drainage belt 8 sets up in waterproof layer 2 back of the body water layer and hugs closely waterproof layer 2. The drainage layer is used for collecting and draining underground water, relieving the pressure on the waterproof layer and keeping the structure stable.
Referring to fig. 5-6, the isolation layer 9 includes an isolation film 10 and an isolation plate 11, the isolation plate 11 is disposed on the back water layer of the drainage layer 6 and is closely attached to the drainage layer 6, and the isolation film 10 is a waterproof and moistureproof film material, and is typically made of polyethylene or polypropylene. It may be covered on a separator to form a barrier layer to prevent moisture and humidity from penetrating into the carrier layer 12, and the separator 11 is a rigid plate material, typically made of polystyrene EPS or polyurethane PU. It is arranged on the back water layer of the drainage layer 6 and clings to the drainage layer 6, thereby playing the roles of isolation and separation. The partition plate can prevent particles and moisture in the bearing layer from penetrating into the drainage layer and provide the functions of supporting and dispersing load, the bearing layer 12 comprises a reinforcing mesh 13 and a concrete covering layer 14, the reinforcing mesh 13 is arranged on the back water layer of the isolation layer 9 and clings to the isolation layer 9, and the reinforcing mesh 13 is arranged on the back water layer of the isolation layer 9 and clings to the isolation layer 9. The reinforcing mesh is typically comprised of reinforcing bars or reinforcing mesh sheets for reinforcing the strength and stability of the concrete structure. The concrete cover layer 14 is a concrete layer covered on the reinforcing mesh, which protects the reinforcing bars from corrosion and provides additional strength, and can realize the isolation, waterproof and load-bearing functions of the underground structure by the combination of the isolation layer 9, the load-bearing layer 12 and the drainage layer 6. The barrier layer inhibits moisture penetration, the carrier layer provides structural strength and stability, and the drainage layer removes groundwater pressure. This ensures the safety and durability of the underground structure.
The embodiment of the invention also provides a construction method of the anti-expansion waterproof protection structure for underground concrete pouring, which comprises the following method steps:
step one, detecting the foundation condition of a construction area, and cleaning the construction area;
step two, paving a waterproof coiled material on the construction area after cleaning, brushing waterproof paint outside the waterproof coiled material Zhou Tu, and fixing the waterproof coiled material in the area needing to be irrigated through waterproof adhesive;
step three, installing a drain board and a drain belt on the laid waterproof coiled material back water layer, installing a drain pipe between the drain board and the drain belt, and installing a one-way valve at one end of the drain pipe;
fourthly, paving a separation membrane and a separation plate on a back water layer on which the drainage pipeline, the drainage plate and the drainage belt are installed, and filling water absorption sponge between the waterproof coiled material and the separation membrane;
step five, after the isolating membrane and the isolating plate are installed, paving the reinforcing steel bars on the isolating plate, fastening the paved reinforcing steel bars, and pouring a concrete covering layer;
and step six, performing quality inspection on the paved waterproof structure.
Firstly, detecting the foundation condition of a construction area, including parameters such as humidity, compactness, pH value and the like of soil, so as to ensure that the foundation of the construction area meets the requirements; and then cleaning the construction area, including removing sundries and garbage, and keeping the construction area clean, wherein in the step six, the quality inspection of the paved waterproof structure includes checking whether the waterproof coiled material, the drainage system, the isolation film and the like are intact or meet the design requirement, and when the quality inspection is performed, visual inspection, hand touch inspection or nondestructive testing methods, such as pressure testing or water tightness testing, can be used for verifying the quality and performance of the waterproof structure. If any problem or defect is found, the waterproof system is repaired or replaced in time, and the integrity and the reliability of the waterproof system are ensured.
In the second step, the waterproof coating is brushed outside the waterproof coiled material Zhou Tu, the waterproof coiled material can be uniformly coated by spraying or brushing, the thickness of the spraying or brushing is 0.5mm to 1.5mm, the coating needs to be ensured to uniformly cover the periphery of the whole waterproof coiled material in the coating process, and the thickness of the coating is in a required range. In brushing or spraying, tools can be used to ensure even distribution of the coating and care should be taken to avoid missing or uneven coatings.
And thirdly, installing a drain board and a drain belt on the waterproof layer of the paved waterproof coiled material, slotting or drilling on the waterproof coiled material according to the marked positions, then inserting the drain board into the slots or fixing the drain board in the holes, cutting the waterproof coiled material by using a cutting tool to form an opening suitable for installing the drain belt, and ensuring the waterproof layer to be tightly attached when the drain board and the drain belt are installed so as to ensure the effectiveness of a drainage system. Meanwhile, the installation of the drain pipe is combined with the drain plate and the drain belt, so that the smooth drainage is ensured. When the check valve is installed, care should be taken to check its sealing performance to ensure a waterproof effect.
And fourthly, paving the isolating film and the isolating plate on the back water layer on which the drainage pipeline, the drainage plate and the drainage belt are installed, paving the isolating film on the base surface according to the marked position, ensuring the coverage of the whole waterproof system, fixing the isolating film on the base surface by using a proper fixing mode, ensuring the evenness and firmness of the isolating film, cutting the isolating plate into the required size, paving the cut isolating plate on the isolating film, tightly connecting the isolating plate with the drainage pipeline, the drainage plate and the back water layer of the drainage belt, and fixing the isolating plate on the base surface by using a proper fixing mode, ensuring the evenness and firmness of the isolating film, the paving of the isolating film and the isolating plate is even and smooth without wrinkles, and tightly attaching the isolating film and the drainage layer to ensure the isolating effect. When filling the absorbent sponge, the absorbent sponge should be uniformly filled, so that gaps are avoided, and the possibility of leakage is reduced.
And fifthly, after the isolating membrane and the isolating plate are installed, paving the reinforcing steel bars on the isolating plate, pre-processing the reinforcing steel bars into required shapes and sizes according to the positions and the lengths of the marks, paving the reinforcing steel bars on the isolating plate according to the positions of the marks, ensuring that the reinforcing steel bars conform to design requirements, fixing the reinforcing steel bars on the isolating plate by using reinforcing steel bar binding wires or other fixing modes, ensuring that the reinforcing steel bars are firm and stable, and paving a reinforcing steel bar net to be smooth and closely attached to the isolating layer so as to ensure the stability of the bearing layer. The concrete covering layer is poured uniformly, and the thickness meets the design requirement so as to ensure the protection and waterproof effect of the reinforcing mesh.
And step six, performing quality inspection on the paved waterproof structure comprises checking whether waterproof coiled materials, drainage systems, isolating films and the like are intact or not and whether the waterproof coiled materials, the drainage systems, the isolating films and the like meet the design requirements or not, and ensuring that all parts meet the design requirements and the construction standards. If the waterproof structure is problematic, repair or adjustment should be performed in time to ensure stability and effectiveness of the waterproof structure.
Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (10)

1. The utility model provides an underground concrete placement is with anti waterproof protection architecture that stretches out and draws back, its characterized in that, including clay layer (1), waterproof layer (2), drainage layer (6), isolation layer (9), loading layer (12), pour hole (16), waterproof layer (2) set up clay layer (1) back of the body water layer, drainage layer (6) set up waterproof layer (2) back of the body water layer, isolation layer (9) set up drainage layer (6) back of the body water layer, loading layer (12) set up isolation layer (9) back of the body water layer, pour hole (16) set up loading layer (12) back of the body water layer, drainage layer (6) with fill between isolation layer (9) and have sponge (15) that absorbs water, drainage layer (6) internally mounted has check valve (17), drain pipe (18) are installed to check valve (17) output.
2. The anti-telescoping waterproof protection structure for underground concrete placement according to claim 1, wherein the waterproof layer (2) comprises a waterproof coating (3) and a waterproof coiled material (4), the waterproof coating (3) and the waterproof coiled material (4) are adhered by a waterproof adhesive (5), the waterproof coiled material (4) is arranged on a back water layer of the soil layer (1) and clings to the soil layer (1), the drainage layer (6) comprises a drainage plate (7) and a drainage belt (8), and the drainage belt (8) is arranged on the back water layer of the waterproof layer (2) and clings to the waterproof layer (2).
3. The anti-telescoping waterproof protection structure for underground concrete pouring according to claim 1, wherein the isolation layer (9) comprises an isolation film (10) and an isolation plate (11), the isolation plate (11) is arranged on a back water layer of the drainage layer (6) and clings to the drainage layer (6), the bearing layer (12) comprises a reinforcing mesh (13) and a concrete covering layer (14), and the reinforcing mesh (13) is arranged on the back water layer of the isolation layer (9) and clings to the isolation layer (9).
4. The construction method of the anti-expansion waterproof protection structure for underground concrete pouring, which is characterized by comprising the following method steps of:
step one, detecting the foundation condition of a construction area, and cleaning the construction area;
step two, paving a waterproof coiled material on the construction area after cleaning, brushing waterproof paint outside the waterproof coiled material Zhou Tu, and fixing the waterproof coiled material in the area needing to be irrigated through waterproof adhesive;
step three, installing a drain board and a drain belt on the laid waterproof coiled material back water layer, installing a drain pipe between the drain board and the drain belt, and installing a one-way valve at one end of the drain pipe;
fourthly, paving a separation membrane and a separation plate on a back water layer on which the drainage pipeline, the drainage plate and the drainage belt are installed, and filling water absorption sponge between the waterproof coiled material and the separation membrane;
step five, after the isolating membrane and the isolating plate are installed, paving the reinforcing steel bars on the isolating plate, fastening the paved reinforcing steel bars, and pouring a concrete covering layer;
and step six, performing quality inspection on the paved waterproof structure.
5. The construction method of the anti-telescoping waterproof protection structure for the underground concrete pouring according to claim 4, wherein in the first step, the condition of the foundation of the construction area is detected firstly, including parameters of humidity, compactness and pH value of soil, so as to ensure that the foundation of the construction area meets the requirements; and then cleaning the construction area, including removing sundries and garbage, and keeping the construction area clean.
6. The construction method of the anti-telescoping waterproof protection structure for the underground concrete pouring according to claim 4, wherein in the second step, the waterproof coating is brushed outside the waterproof coiled material Zhou Tu, the waterproof coating can be uniformly coated by spraying or brushing, and the thickness of the spraying or brushing is 0.5mm to 1.5mm.
7. The construction method of the anti-expansion waterproof protection structure for the underground concrete pouring according to claim 4, wherein in the third step, a drainage plate and a drainage belt are installed on a back water layer of the laid waterproof coiled material, the waterproof coiled material is grooved or drilled according to marked positions, then the drainage plate is inserted into the groove or fixed in the hole, and a cutting tool is used for cutting the waterproof coiled material to form an opening suitable for installing the drainage belt.
8. The construction method of the anti-telescoping waterproof protection structure for the underground concrete pouring according to claim 4, wherein in the fourth step, a separation membrane and a separation plate are paved on a back water layer on which a drainage pipeline, a drainage plate and a drainage belt are installed, the separation membrane is paved on a base surface according to marked positions, the range of the whole waterproof system is ensured to be covered, the separation membrane is fixed on the base surface by using a proper fixing mode, the separation membrane is ensured to be smooth and firm, the separation plate is cut into a required size, the cut separation plate is paved on the separation membrane, the separation plate is tightly connected with the drainage pipeline, the drainage plate and the back water layer of the drainage belt, and the separation plate is fixed on the base surface by using a proper fixing mode, so that the separation plate is ensured to be smooth and firm.
9. The construction method of the anti-expansion waterproof protection structure for the underground concrete pouring according to claim 4, wherein in the fifth step, after the isolating membrane and the isolating plate are installed, the reinforcing steel bars are paved on the isolating plate, the reinforcing steel bars are prefabricated into the required shape and size according to the marked positions and lengths, the reinforcing steel bars are paved on the isolating plate according to the marked positions, the reinforcing steel bars are ensured to conform to the design requirements, and the reinforcing steel bars are fixed on the isolating plate by using reinforcing steel bar binding wires or other fixing modes, so that the reinforcing steel bars are ensured to be firm and stable.
10. The construction method of the anti-telescoping waterproof protection structure for the underground concrete pouring according to claim 4, wherein in the sixth step, the quality inspection of the laid waterproof structure comprises the inspection of whether a waterproof coiled material, a drainage system, a separation membrane and the like are intact or not, and whether the design requirements are met or not.
CN202311762140.8A 2023-12-20 2023-12-20 Anti-expansion waterproof protection structure for underground concrete pouring and construction method thereof Pending CN117758794A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202311762140.8A CN117758794A (en) 2023-12-20 2023-12-20 Anti-expansion waterproof protection structure for underground concrete pouring and construction method thereof

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202311762140.8A CN117758794A (en) 2023-12-20 2023-12-20 Anti-expansion waterproof protection structure for underground concrete pouring and construction method thereof

Publications (1)

Publication Number Publication Date
CN117758794A true CN117758794A (en) 2024-03-26

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Application Number Title Priority Date Filing Date
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