A waterproof plugging construction technology for post-cast strips in the basement

Abstract

The present invention relates to the technical field of building construction, and specifically to a construction process for waterproofing and plugging leakage of post-cast strips in basements. It includes a cement base layer. On the top of the cement base layer, there is a first waterproof board, and an inorganic grouting material layer is laid on the top of the first waterproof board. And on the top of the inorganic grouting material layer, there is a first waterproof board. Mortar is poured on the top of the first waterproof board, and a post-cast strip boundary waterproof board is installed on the top of the mortar. The present invention is provided with a first waterproof board and a second waterproof board, which is convenient for isolating each layer of materials and improving the anti-leakage effect of each layer of materials. By setting grouting ports at different heights, the fluidity of the mortar at different heights is improved, and the construction efficiency of construction workers is improved. The horizontal distance between the first grouting pipe and the second grouting pipe is set to one meter, which is set according to the fluidity of the mortar to prevent uneven grouting of the mortar due to fluidity limitations, and improves the quality of grouting.

Description

Technical Field

[0001] The invention relates to the technical field of building construction, in particular to a waterproof and leak-proof construction process for a basement post-cast zone. Background Art

[0002] Post-cast strips are concrete strips left at the corresponding positions of the foundation slab, wall, and beam in accordance with the design or construction specifications to prevent harmful cracks that may occur in reinforced concrete structures due to uneven shrinkage or settlement during construction. Post-cast strips temporarily divide the structure into several parts. After the internal shrinkage of the components, the construction joint concrete is poured again after a certain period of time to connect the structure into a whole. The pouring time of post-cast strips should be selected when the temperature is relatively low. Cement or concrete with a small amount of aluminum powder added to cement can be poured. Its strength grade should be one level higher than the strength of the component to prevent cracks between the new and old concretes and form weak points.

[0003] The existing construction technology of waterproofing and plugging leakage of basement post-cast strips often lacks leak-proof plates at the boundary joints of the post-cast strips, and water is easy to leak from the joints. The existing construction technology of waterproofing and plugging leakage of basement post-cast strips often lacks waterproof plates at the bottom of the base layer. In humid rainy weather, rainwater back-seepage will occur, and in the grouting process, if the height of the grouting port is uniquely determined and difficult to change, when the thickness of the cement sand layer is higher than the grouting port, the cement sand layer will flow too slowly, extending the construction period of the construction personnel. If fewer grouting pipes are set, the fluidity of the cement sand layer will limit the flow area of the cement sand layer, and uneven grouting is likely to occur. After the later construction is completed, hollowing will occur, and water will easily leak through the hollowing area, reducing the construction quality of the construction personnel.

[0004] Therefore, in view of the above problems, a waterproof and leak-proof construction process for the post-cast zone of the basement is proposed. Summary of the invention

[0005] In order to make up for the deficiencies of the prior art, the present invention solves the problem that the existing construction technology for waterproofing and plugging leakage of the post-cast strips of the basement often lacks a leak-proof plate at the boundary connection of the post-cast strip, and water is easy to leak from the connection. The existing construction technology for waterproofing and plugging leakage of the post-cast strips of the basement often lacks a waterproof plate at the bottom of the base layer. In humid rainy weather, rainwater reverse seepage may occur. In the grouting process, if the height of the grouting port is uniquely determined and difficult to change, when the thickness of the cement sand layer is higher than the grouting port, the cement sand layer flows too slowly, extending the construction period of the construction personnel. If fewer grouting pipes are set, the fluidity of the cement sand layer limits the flow area of the cement sand layer, and uneven grouting is likely to occur. After the later construction is completed, hollowing occurs, and water is easy to leak through the hollowing area, reducing the construction quality of the construction personnel.

[0006] The technical solution adopted by the present invention to solve its technical problems is: a construction technology for waterproof plugging of post-cast strips in the basement, including a cement base layer. A first waterproof board is arranged on the top of the cement base layer, an inorganic grouting material layer is laid on the top of the first waterproof board, and a second waterproof board is arranged on the top of the inorganic grouting material layer. Cement mortar is poured on the top of the second waterproof board, and a post-cast strip boundary waterproof board is installed on the top of the cement mortar. A base board is laid on the top of the post-cast strip boundary waterproof board, and a rigid waterproof layer is laid on the top of the base board. A first grouting pipe is embedded in the rigid waterproof layer, and a second grouting pipe is arranged on the side of the first grouting pipe.

[0007] Preferably, a pressure relief hole is arranged on the other side of the second grouting pipe, and a central grouting pipe is arranged on the other side of the pressure relief hole.

[0008] Preferably, the first grouting pipe includes a threaded cover, a pipe body, a first slurry outlet, a second slurry outlet, a third slurry outlet, and a main slurry outlet. The threaded cover is threadedly connected to the bottom of the pipe body, a first slurry outlet is arranged on one side of the pipe body, and a third slurry outlet is reserved on the side of the first slurry outlet. A second slurry outlet is arranged on the other side of the pipe body, and a main slurry outlet is arranged at the bottom end of the pipe body.

[0009] Preferably, the first slurry outlet, the second slurry outlet, and the third slurry outlet are arranged at equal intervals and staggered on the outer wall of the pipe body, and the pipe body and the threaded cover form a thread-detachable structure.

[0010] Preferably, the first waterproof board and the second waterproof board are symmetrically arranged about the horizontal central axis of the inorganic grouting material layer. The materials of the first waterproof board and the second waterproof board are both EVA waterproof boards, and the thicknesses of the first waterproof board and the second waterproof board are set to be 2-3 cm. The material of the inorganic grouting material layer is cement grouting material, and the thickness of the inorganic grouting material layer is three times that of the first waterproof board and the second waterproof board.

[0011] Preferably, the post-cast strip boundary waterproof board is located at the junction of the cement mortar and the rigid waterproof layer. A pair of post-cast strip boundary waterproof boards are symmetrically arranged about the longitudinal central axis of the cement mortar, and the post-cast strip boundary waterproof board is arranged in a "V" shape with an upward opening.

[0012] Preferably, the material of the rigid waterproof layer is acrylate grouting material, and the thickness of the rigid waterproof layer is more than twice the thickness of the inorganic grouting material layer.

[0013] Preferably, the first grouting pipe and the second grouting pipe are arranged at equal intervals and staggered inside the rigid waterproof layer. The distance between two first grouting pipes is set to be two meters, and the horizontal distance between the first grouting pipe and the second grouting pipe is set to be one meter.

[0014] Preferably, the horizontal distance between the pressure relief hole and the central grouting pipe is set at 50 cm, and there are two pressure relief holes symmetrically arranged about the vertical central axis of the central grouting pipe, and the diameter of the pressure relief hole is smaller than that of the central grouting pipe.

[0015] Preferably, it includes the following steps:

[0016] S1: First, lay the first waterproof board on the top of the cement base layer;

[0017] S2: Lay the inorganic grouting material layer on the top of the first waterproof board;

[0018] S3: Lay the second waterproof board on the top of the inorganic grouting material layer;

[0019] S4: Embed the post-cast strip boundary waterproof board at the top boundary of the cement mortar;

[0020] S5: Lay the base board on the top of the post-cast strip boundary waterproof board;

[0021] S6: Embed the first grouting pipe, the second grouting pipe, the pressure relief hole and the central grouting pipe inside the base board;

[0022] S7: Pour the rigid waterproof layer on the top of the base board;

[0023] S8: Carry out grouting through the first grouting pipe and the second grouting pipe, and open the pressure relief hole according to the number of working grouting machines;

[0024] S9: Finally, carry out filling grouting through the central grouting pipe, and open one pressure relief hole for exhaust;

[0025] S10: Pull out all the first grouting pipe, the second grouting pipe, the pressure relief hole and the central grouting pipe, and use the rigid waterproof layer to fill the installation groove left by their installation.

[0026] The beneficial effects of the present invention are as follows:

[0027] 1. With the first waterproof board and the second waterproof board made of EVA waterproof board material, the first waterproof board and the second waterproof board are symmetrically arranged about the horizontal central axis of the inorganic grouting material layer. The setting of the first waterproof board and the second waterproof board can, on the one hand, prevent the water on the ground surface from seeping upward, and on the other hand, prevent the water on the top of the second waterproof board from seeping downward. Moreover, the materials of the first waterproof board and the second waterproof board are both set as EVA waterproof board. EVA waterproof board is a relatively light waterproof material with good wear resistance, corrosion resistance and waterproof function. And the price of EVA waterproof board is relatively cheap, and it has good heat insulation performance, improving the waterproof effect of the basement post-cast strip.

[0028] 2. By providing an inorganic grouting material layer made of cement slurry material, the material of the inorganic grouting material layer is cement slurry material. When the cement slurry material is used as the grouting material for perfusion, it has the characteristics of high strength, good durability, non-toxicity, and low material price, reducing the cost expenditure and increasing the service life of the post-cast strip in the basement.

[0029] 3. By providing a rigid waterproof layer made of acrylate grouting material, the material of the rigid waterproof layer is acrylate grouting material. The fine molecules in the acrylate have the characteristics of fast penetration and fast leak stoppage speed. Moreover, the thickness of the rigid waterproof layer is more than twice the thickness of the inorganic grouting material layer, which can improve the waterproof and leak stoppage effect on the surface of the post-cast strip in the basement.

[0030] 4. By providing a plurality of first grouting pipes and second grouting pipes, a plurality of first grouting pipes and second grouting pipes are arranged at equal intervals and staggered inside the rigid waterproof layer. Construction workers can use multiple grouting machines for pouring at the same time. And the horizontal distance between the first grouting pipe and the second grouting pipe is set to one meter, ensuring that the fluidity of the cement mortar grouted from the second grouting pipe can flow to the cement mortar grouted from the first grouting pipe, ensuring that the injected cement mortar can be evenly spread on the surface of the second waterproof board, avoiding the phenomena of hollowing and uneven pouring, and avoiding the situations of water leakage and seepage caused by uneven pouring, improving the quality of the cement mortar grouting by construction workers.

[0031] 5. By providing a first slurry outlet, a second slurry outlet, and a third slurry outlet at different heights, the first slurry outlet, the second slurry outlet, and the third slurry outlet at different heights are arranged at equal intervals and staggered on the outer wall of the pipe body. When pouring cement mortar, rotate and open the threaded cover at the top of the pipe body and use a grouting machine for pouring. As the pouring thickness of the cement mortar changes, the first slurry outlet, the second slurry outlet, the third slurry outlet, and the main slurry outlet of the cement mortar change with its thickness, preventing the poured cement mortar from being higher than a single main slurry outlet, resulting in too slow a flow rate of the poured cement mortar and prolonging the construction period of construction workers. The setting of the slurry outlets at different heights improves the grouting efficiency of construction workers for grouting. BRIEF DESCRIPTION OF THE DRAWINGS

[0032] In order to more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the following will briefly introduce the drawings required for use in the description of the embodiments or the prior art. Obviously, the following drawings are only some embodiments of the present invention. For those of ordinary skill in the art, without creative efforts, other drawings can also be obtained based on these drawings.

[0033] Figure 1 It is a longitudinal cross-sectional three-dimensional structure schematic diagram of the whole of the present invention;

[0034] Figure 2It is a schematic diagram of the overall three-dimensional structure of the present invention from a top view;

[0035] Figure 3 It is a schematic diagram of the three-dimensional structure of the first grouting pipe of the present invention.

[0036] In the figure: 1. cement base; 2. first waterproof board; 3. inorganic grouting material layer; 4. second waterproof board; 5. cement mortar; 6. post-cast zone boundary waterproof board; 7. rigid waterproof layer; 8. first grouting pipe; 801. threaded cover; 802. pipe body; 803. first slurry outlet; 804. second slurry outlet; 805. third slurry outlet; 806. main slurry outlet; 9. second grouting pipe; 10. pressure relief hole; 11. center grouting pipe. DETAILED DESCRIPTION

[0037] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0038] Embodiment 1

[0039] See also Figures 1 to 3 As shown, a construction process for waterproofing and plugging leaks in a post-cast strip of a basement comprises a cement base 1, a first waterproof board 2 is arranged on the top of the cement base 1, an inorganic grouting material layer 3 is laid on the top of the first waterproof board 2, a second waterproof board 4 is arranged on the top of the inorganic grouting material layer 3, cement mortar 5 is poured on the top of the second waterproof board 4, a post-cast strip boundary waterproof board 6 is installed on the top of the cement mortar 5, a base plate is laid on the top of the post-cast strip boundary waterproof board 6, a rigid waterproof layer 7 is laid on the top of the base plate, a first grouting pipe 8 is embedded in the rigid waterproof layer 7, and a second grouting pipe 9 is arranged on the side of the first grouting pipe 8.

[0040] The first grouting pipe 8 includes a threaded cap 801, a pipe body 802, a first slurry outlet 803, a second slurry outlet 804, a third slurry outlet 805, and a main slurry outlet 806. The bottom of the threaded cap 801 is threadedly connected to the pipe body 802. A first slurry outlet 803 is provided on one side of the pipe body 802, and a third slurry outlet 805 is reserved on the side of the first slurry outlet 803. A second slurry outlet 804 is provided on the other side of the pipe body 802, and a main slurry outlet 806 is provided at the bottom end of the pipe body 802. The first slurry outlet 803, the second slurry outlet 804, and the third slurry outlet 805 are arranged at equal intervals and staggered on the outer wall of the pipe body 802, and the pipe body 802 and the threaded cap 801 form a threaded detachable structure; different-height first slurry outlets 803, second slurry outlets 804, and third slurry outlets 805 are arranged at equal intervals and staggered on the outer wall of the pipe body 802. When pouring the cement mortar 5, rotate and open the threaded cap 801 at the top of the pipe body 802, and use a grouting machine for pouring. The pouring thickness of the cement mortar 5 changes, and the first slurry outlet 803, the second slurry outlet 804, the third slurry outlet 805, and the main slurry outlet 806 of the cement mortar 5 change with its thickness, preventing the poured cement mortar 5 from being higher than a single main slurry outlet 806, resulting in too slow a flow rate of the poured cement mortar 5 and prolonging the construction period of the construction personnel. The setting of the slurry outlets at different heights improves the grouting efficiency of the construction personnel for grouting.

[0041] The first waterproof board 2 and the second waterproof board 4 are symmetrically arranged about the horizontal central axis of the inorganic grouting material layer 3. The materials of the first waterproof board 2 and the second waterproof board 4 are both EVA waterproof boards, and the thickness of the first waterproof board 2 and the second waterproof board 4 is set to 2 - 4 CM; the first waterproof board 2 and the second waterproof board 4 are symmetrically arranged about the horizontal central axis of the inorganic grouting material layer 3. The setting of the first waterproof board 2 and the second waterproof board 4, on the one hand, prevents the water on the ground surface from seeping upward, and on the other hand, prevents the water on the top of the second waterproof board 4 from seeping downward. The materials of the first waterproof board 2 and the second waterproof board 4 are both set to EVA waterproof boards. The EVA waterproof board is a relatively light waterproof material, with relatively good wear resistance, corrosion resistance, and waterproof function. Moreover, the price of the EVA waterproof board is relatively cheap, and it has good heat insulation performance, improving the waterproof effect of the basement post-cast strip.

[0042] The material of the inorganic grouting material layer 3 is cement slurry, and the thickness of the inorganic grouting material layer 3 is three times that of the first waterproof board 2 and the second waterproof board 4; the material of the inorganic grouting material layer 3 is cement slurry. When the cement slurry is used as the slurry for perfusion, it has the characteristics of high strength, good durability, non-toxicity, and low material price, reducing the cost expenditure and increasing the service life of the basement post-cast strip.

[0043] The post - cast strip boundary waterproof board 6 is located at the junction of the cement mortar 5 and the rigid waterproof layer 7. And there is a pair of post - cast strip boundary waterproof boards 6 symmetrically arranged about the longitudinal central axis of the cement mortar 5. Moreover, the post - cast strip boundary waterproof board 6 is arranged in a "V" shape with the opening upward. The post - cast strip boundary waterproof board 6 is located at the junction of the cement mortar 5 and the rigid waterproof layer 7, isolating the cement mortar 5 from the rigid waterproof layer 7, which can effectively prevent water from permeating at the junction of the cement mortar 5 and the rigid waterproof layer 7, and improve the waterproof and anti - permeation performance of the cement mortar 5 and the rigid waterproof layer 7 in the basement post - cast strip.

[0044] The material of the rigid waterproof layer 7 is acrylate grouting material, and the thickness of the rigid waterproof layer 7 is more than twice the thickness of the inorganic grouting material layer 3. The material of the rigid waterproof layer 7 is acrylate grouting material. The fine molecules in acrylate have the characteristics of fast penetration and fast leakage plugging speed. And the thickness of the rigid waterproof layer 7 is more than twice the thickness of the inorganic grouting material layer 3, which can improve the waterproof and leakage - plugging effect on the surface of the basement post - cast strip.

[0045] The first grouting pipe 8 and the second grouting pipe 9 are arranged at equal intervals and staggered inside the rigid waterproof layer 7. The distance between two first grouting pipes 8 is set to be two meters, and the horizontal distance between the first grouting pipe 8 and the second grouting pipe 9 is set to be one meter. There are multiple first grouting pipes 8 and second grouting pipes 9 arranged at equal intervals and staggered inside the rigid waterproof layer 7. Construction workers can use multiple grouting machines for pouring at the same time. And the horizontal distance between the first grouting pipe 8 and the second grouting pipe 9 is set to be one meter, ensuring that the fluidity of the cement mortar 5 grouted from the second grouting pipe 9 can flow to the cement mortar 5 grouted from the first grouting pipe 8, ensuring that the injected cement mortar 5 can be evenly spread on the surface of the second waterproof board 4, avoiding phenomena such as hollowing and uneven pouring, and avoiding situations of water leakage and seepage caused by uneven pouring, improving the quality of the cement mortar 5 grouting by construction workers.

[0046] Embodiment Two

[0047] Please refer to Figure 1 And Figure 2 As shown, for a waterproof and leakage - plugging construction technology of a basement post - cast strip, a pressure - relief hole 10 is arranged on the other side of the second grouting pipe 9, and a central grouting pipe 11 is arranged on the other side of the pressure - relief hole 10.

[0048] The horizontal distance between the pressure relief hole 10 and the central grouting pipe 11 is set at 50 cm, and there are two pressure relief holes 10 symmetrically arranged about the vertical central axis of the central grouting pipe 11. Moreover, the diameter of the pressure relief hole 10 is smaller than that of the central grouting pipe 11. The pressure relief hole 10 is located on the side of the central grouting pipe 11. Considering the final filling grouting in the later stage to ensure complete grouting inside the cement mortar 5, the positions of the pressure relief hole 10 and the central grouting pipe 11 are relatively close, ensuring that the pressure relief function is still achieved during the final filling grouting step, thus improving the practicability of the pressure relief hole 10 in the basement post-cast strip.

[0049] Working principle: First of all, the first waterproof board 2 and the second waterproof board 4 are symmetrically arranged about the horizontal central axis of the inorganic grouting material layer 3. The setting of the first waterproof board 2 and the second waterproof board 4, on the one hand, prevents the water on the ground surface from penetrating upward, and on the other hand, prevents the water on the top of the second waterproof board 4 from penetrating downward. And the materials of the first waterproof board 2 and the second waterproof board 4 are both set as EVA waterproof boards. EVA waterproof board is a relatively light waterproof material, with good wear resistance, corrosion resistance, and waterproof function. Moreover, the price of the EVA waterproof board is relatively cheap, and it has good heat insulation performance, improving the waterproof effect of the basement post-cast strip. At the same time, the material of the inorganic grouting material layer 3 is cement slurry. As a slurry material for grouting, cement slurry has the characteristics of high strength, good durability, non-toxicity, and low material price, reducing the cost expenditure and increasing the service life of the basement post-cast strip. At the same time, the post-cast strip boundary waterproof board 6 is located at the junction of the cement mortar 5 and the rigid waterproof layer 7, isolating the cement mortar 5 and the rigid waterproof layer 7, and can effectively prevent water from penetrating at the junction of the cement mortar 5 and the rigid waterproof layer 7, improving the anti-permeability of the cement mortar 5 and the rigid waterproof layer 7 in the basement post-cast strip. At the same time, the material of the rigid waterproof layer 7 is acrylate grouting material. The fine molecules in acrylate have the characteristics of fast penetration and fast plugging speed. And the thickness of the rigid waterproof layer 7 is more than twice the thickness of the inorganic grouting material layer 3, which can improve the waterproof and plugging effect on the surface of the basement post-cast strip.

[0050] Next, the outer wall of the pipe body 802 is provided with a first slurry outlet 803, a second slurry outlet 804, and a third slurry outlet 805 with different heights at equal intervals and staggered. When pouring the cement mortar 5, the threaded cap 801 at the top of the pipe body 802 is rotated and opened, and a grouting machine is used for pouring. The pouring thickness of the cement mortar 5 changes, and the first slurry outlet 803, the second slurry outlet 804, the third slurry outlet 805, and the main slurry outlet 806 of the cement mortar 5 change with its thickness, preventing the poured cement mortar 5 from being higher than a single main slurry outlet 806, resulting in too slow a flow rate of the poured cement mortar 5 and prolonging the construction period of the construction personnel. The setting of the slurry outlets with different heights improves the grouting efficiency of the construction personnel for grouting. At the same time, a plurality of first grouting pipes 8 and second grouting pipes 9 are arranged at equal intervals and staggered inside the rigid waterproof layer 7. The construction personnel can use multiple grouting machines for pouring at the same time, and the horizontal distance between the first grouting pipe 8 and the second grouting pipe 9 is set to one meter, ensuring that the fluidity of the cement mortar 5 grouted from the second grouting pipe 9 can flow to the cement mortar 5 grouted from the first grouting pipe 8, ensuring that the injected cement mortar 5 can be evenly spread on the surface of the second waterproof board 4, avoiding the phenomena of hollowing and uneven pouring, and avoiding the situations of water leakage and seepage caused by uneven pouring, improving the quality of the cement mortar 5 grouting of the construction personnel. At the same time, the pressure relief hole 10 is located on the side of the central grouting pipe 11. Considering the final filling grouting in the later stage to ensure complete grouting inside the cement mortar 5, the position of the pressure relief hole 10 is relatively close to the central grouting pipe 11, ensuring that it still plays a role in pressure relief during the final filling grouting step, and improving the practicability of the pressure relief hole 10 in the basement post-cast strip.

[0051] The above shows and describes the basic principles, main features, and advantages of the present invention. Those skilled in the art of this industry should understand that the present invention is not limited by the above embodiments. What is described in the above embodiments and the specification only illustrates the principles of the present invention. Without departing from the spirit and scope of the present invention, the present invention will have various changes and improvements, and these changes and improvements all fall within the scope of the present invention claimed.

Claims

1. A waterproof plugging construction process for post-cast strip in basement, characterized in that: It includes the following steps: S1: First, lay the first waterproof board (2) on the top of the cement base layer (1); S2: Lay the inorganic grouting material layer (3) on the top of the first waterproof board (2); S3: Lay the second waterproof board (4) on top of the inorganic grouting material layer (3); S4: Embed the post-cast strip boundary waterproof board (6) at the top boundary of the cement mortar (5); S5: Lay the base board on the top of the post-cast strip boundary waterproof board (6); S6: Embed the first grouting pipe (8), the second grouting pipe (9), the pressure relief hole (10) and the central grouting pipe (11) inside the base board; S7: Pour the rigid waterproof layer (7) on the top of the base board; S8: Carry out grouting through the first grouting pipe (8) and the second grouting pipe (9), and open the pressure relief hole (10) according to the number of working grouting machines; S9: Carry out filling grouting through the central grouting pipe (11), and open a pressure relief hole (10) for exhaust; S10: Finally, pull out all the first grouting pipes (8), the second grouting pipes (9), the pressure relief holes (10) and the central grouting pipes (11), and use the rigid waterproof layer (7) to fill the installation grooves left by their installation; Specifically, it includes a cement base layer (1), a first waterproof board (2) is arranged on the top of the cement base layer (1), an inorganic grouting material layer (3) is laid on the top of the first waterproof board (2), and a second waterproof board (4) is arranged on the top of the inorganic grouting material layer (3). The second waterproof board (4) is filled with cement mortar (5) on the top, and a post-cast strip boundary waterproof board (6) is installed on the top of the cement mortar (5). The post-cast strip boundary waterproof board (6) is provided with a base board on the top, and a rigid waterproof layer (7) is laid on the top of the base board. The first grouting pipe (8) is embedded inside the rigid waterproof layer (7), and the second grouting pipe (9) is arranged on the side of the first grouting pipe (8).

2. The waterproof plugging construction process for the post-cast strip in the basement according to claim 1, wherein: The other side of the second grouting pipe (9) is provided with a pressure relief hole (10), and the other side of the pressure relief hole (10) is provided with a central grouting pipe (11).

3. The waterproof plugging construction process for the post-cast strip in the basement according to claim 1, characterized in that: The first grouting pipe (8) includes a threaded cap (801), a pipe body (802), a first slurry outlet (803), a second slurry outlet (804), a third slurry outlet (805), and a main slurry outlet (806). The bottom of the threaded cap (801) is threadedly connected to the pipe body (802), a first slurry outlet (803) is opened on one side of the pipe body (802), and a third slurry outlet (805) is reserved on the side of the first slurry outlet (803). A second slurry outlet (804) is opened on the other side of the pipe body (802), and a main slurry outlet (806) is opened at the bottom end of the pipe body (802).

4. A waterproof plugging construction process for post-cast strip in basement according to claim 3, characterized in that: The first slurry outlet (803), the second slurry outlet (804), and the third slurry outlet (805) are arranged at equal intervals and staggered on the outer wall of the pipe body (802), and the pipe body (802) and the threaded cap (801) form a thread-detachable structure.

5. A waterproof plugging construction process for post-cast strips in the basement according to claim 1, characterized in that: The first waterproof board (2) and the second waterproof board (4) are symmetrically arranged about the horizontal central axis of the inorganic grouting material layer (3). The materials of the first waterproof board (2) and the second waterproof board (4) are both EVA waterproof boards, and the thicknesses of the first waterproof board (2) and the second waterproof board (4) are set to be 2 - 4 cm. The material of the inorganic grouting material layer (3) is cement grout, and the thickness of the inorganic grouting material layer (3) is three times that of the first waterproof board (2) and the second waterproof board (4).

6. A waterproof plugging construction process for post-cast strips in the basement according to claim 1, characterized in that: The post - casting belt boundary waterproof board (6) is located at the junction of the cement mortar (5) and the rigid waterproof layer (7). A pair of post - casting belt boundary waterproof boards (6) are symmetrically arranged about the longitudinal central axis of the cement mortar (5), and the post - casting belt boundary waterproof board (6) is arranged in an upward - opening "V" shape.

7. A waterproof plugging construction process for post-cast strips in the basement according to claim 1, characterized in that: The material of the rigid waterproof layer (7) is acrylate grouting material, and the thickness of the rigid waterproof layer (7) is more than twice the thickness of the inorganic grouting material layer (3).

8. A waterproof plugging construction process for the post-cast strip in the basement according to claim 1, characterized in that: The first grouting pipe (8) and the second grouting pipe (9) are arranged at equal intervals and staggered inside the rigid waterproof layer (7). The distance between two first grouting pipes (8) is set to be two meters, and the horizontal distance between the first grouting pipe (8) and the second grouting pipe (9) is set to be one meter.

9. A waterproof plugging construction process for post-cast strips in the basement according to claim 2, characterized in that: The horizontal distance between the pressure relief hole (10) and the central grouting pipe (11) is set to be 50 cm. Two pressure relief holes (10) are symmetrically arranged about the vertical central axis of the central grouting pipe (11), and the pipe diameter of the pressure relief hole (10) is smaller than that of the central grouting pipe (11).

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