CN220686145U - Waterproof structure of post-pouring belt of top plate of ground warehouse - Google Patents

Waterproof structure of post-pouring belt of top plate of ground warehouse Download PDF

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Publication number
CN220686145U
CN220686145U CN202322336975.9U CN202322336975U CN220686145U CN 220686145 U CN220686145 U CN 220686145U CN 202322336975 U CN202322336975 U CN 202322336975U CN 220686145 U CN220686145 U CN 220686145U
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post
waterproof
water
concrete structure
main body
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张敬轩
王忠东
凌良栋
赵纪哲
程行云
胡冲
周智慧
何永鑫
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China Construction Seventh Engineering Division Corp Ltd
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China Construction Seventh Engineering Division Corp Ltd
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Abstract

The utility model relates to the technical field of post-cast strip waterproofing, in particular to a post-cast strip waterproofing structure of a top plate of a ground warehouse, which comprises main body concrete structures, wherein post-cast strip concrete structures are filled between adjacent main body concrete structures; the main body concrete structure comprises a plane part and a slope part, a water stop pressure groove is formed in the main body concrete structure, waterproof structures are arranged on the post-cast strip concrete structure and the main body concrete structure, and a construction joint exists between the waterproof structures and the water stop pressure groove. When ponding oozes along waterproof construction horizontal direction, ponding can permeate among the construction joint between waterproof construction and the stagnant water indent, and the ponding in the middle of the infiltration construction joint mostly can all be arranged along the construction joint outward, has hindered ponding to carry out horizontal direction infiltration along waterproof construction, has strengthened waterproof impervious effect, has solved the waterproof structure of post-cast strip among the prior art and can not hinder ponding along waterproof construction and carry out the technical problem of horizontal direction infiltration.

Description

Waterproof structure of post-pouring belt of top plate of ground warehouse
Technical Field
The utility model relates to the technical field of post-cast strip waterproofing, in particular to a post-cast strip waterproofing structure of a ground warehouse roof.
Background
With the acceleration of the urban construction process, the basement of the urban construction is bigger and deeper, which is the result of the enlargement and the high-rise of the urban construction and the full utilization of the underground space. However, the ground warehouse waterproof belongs to a hidden project, and if water leakage occurs in the future use process, the consequences are not envisaged, so the waterproof project of the ground warehouse roof is particularly important and prominent. The basement bottom plate, particularly the post-cast strip position, is a high-rise area for leakage, and the processing of the basement bottom plate is particularly important.
For example, chinese patent publication No. CN114439051a discloses a basement roof post-cast strip waterproof structure and construction method thereof, comprising a pre-cast concrete, a post-cast concrete strip, a steel sheet net, an additional waterproof layer and a waterproof layer, a gap is formed between adjacent pre-cast concrete, a post-cast concrete strip is filled in the gap, a construction joint is formed between the pre-cast concrete and the post-cast concrete strip, a vertical steel sheet net is arranged in the construction joint, the surfaces of the pre-cast concrete and the post-cast concrete strip are constructed with the additional waterproof layer, the additional waterproof layer covers the construction joint, the surface of the additional waterproof layer is constructed with the waterproof layer, and the waterproof layer covers the additional waterproof layer and extends to the surface of the pre-cast concrete without the additional waterproof layer; the surface of the post-cast concrete strip is higher than the surface of the pre-cast concrete, and the post-cast concrete strip and the pre-cast concrete are transited through a concrete slope. The above-mentioned publication can guide the water flow from the structural angle to be discharged outwards, and ponding can be discharged downwards along the slope to a position far away from the construction joint to achieve the construction joint water-repellent effect, as shown in figure 1.
The construction can be with ponding downhill drainage to keeping away from construction seam position and reach construction seam water repellent effect down the slope, but this structure is in ponding downhill drainage's in-process, ponding can follow waterproof construction and carry out the infiltration of horizontal direction, the infiltration of construction seam horizontal direction between the surface of pouring first concrete and post-cast concrete area and the additional waterproof layer promptly, the waterproof structure of above-mentioned post-cast area can not hinder ponding to carry out the horizontal direction infiltration along the construction seam, if ponding is the infiltration towards the horizontal direction always, can infiltrate post-cast area position, once ponding infiltration post-cast area position will lead to the infiltration probably to appear in the basement bottom plate.
Disclosure of Invention
Aiming at the defects in the background technology, the utility model provides a post-pouring strip waterproof structure of a top plate of a ground warehouse, which solves the technical problem that the post-pouring strip waterproof structure in the prior art cannot prevent water from penetrating along the horizontal direction of the waterproof structure.
The technical scheme of the utility model is realized as follows: the post-pouring belt waterproof structure of the top plate of the ground warehouse comprises main body concrete structures, gaps are formed between adjacent main body concrete structures, and the gaps are filled with the post-pouring belt concrete structures; the post-cast strip concrete structure comprises a main body concrete structure and a water stopping groove, wherein the main body concrete structure comprises a plane part and a slope part, the plane part and the slope part are integrally formed, the post-cast strip concrete structure is higher than the plane part, the post-cast strip concrete structure and the plane part are in transition through the slope part, the water stopping groove is formed in the main body concrete structure, the post-cast strip concrete structure and the main body concrete structure are provided with waterproof structures, and a construction joint exists between the waterproof structures and the water stopping groove.
Preferably, the main concrete structure is provided with at least two water stopping pressing grooves.
Preferably, the water stop grooves are all arranged on the slope part.
Preferably, the water stop grooves are all arranged on the plane part.
Preferably, the plane part and the slope part are provided with water stopping grooves.
Preferably, the water-stopping pressing groove has a groove depth of 20-mm mm.
Preferably, the waterproof structure comprises a first waterproof layer, the first waterproof layer covers the top surface of the post-cast strip concrete structure and the top surface of the main body concrete structure, the top surface of the first waterproof layer is provided with a second waterproof layer, and a construction joint exists between the first waterproof layer and the water stop pressing groove.
Preferably, the waterproof structure comprises a first waterproof layer, an additional concrete layer is arranged on the top surface of the first waterproof layer, a construction joint exists between the first waterproof layer and the water-stopping pressing groove, a second waterproof layer is covered on the top surface of the additional concrete layer, and a construction joint exists between the additional concrete layer and the first waterproof layer.
Preferably, a first water stop steel plate is arranged in the post-cast strip concrete structure, two ends of the first water stop steel plate are respectively connected with the main body concrete structure and the post-cast strip concrete structure, and a steel wire mesh is arranged between the post-cast strip concrete structure and the main body concrete structure.
Preferably, the post-cast strip concrete structure and the main body concrete structure are respectively provided with a second water stop steel plate, the second water stop steel plates are perpendicular to the first water stop steel plates, and the second water stop steel plates on the post-cast strip concrete structure are connected with the second water stop steel plates on the main body concrete structure through the first water stop steel plates.
According to the utility model, the water stop pressure groove is arranged between the slope part and the main concrete structure, the construction joint is arranged between the waterproof structure and the water stop pressure groove, when the water is infiltrated along the horizontal direction of the waterproof structure, the water is infiltrated into the construction joint between the waterproof structure and the water stop pressure groove, most of the water infiltrated into the construction joint is discharged along the construction joint, the water is prevented from being infiltrated along the horizontal direction of the waterproof structure, and in addition, a small part of the water is continuously infiltrated along the horizontal direction of the waterproof structure, the continuously infiltrated water is prevented from continuously being infiltrated along the horizontal direction, the anti-seepage effect is enhanced, the risk that the water is likely to infiltrate into the post-pouring zone position, and the water seepage is likely to occur to the bottom plate of the basement is greatly reduced, and the technical problem that the post-pouring zone waterproof structure in the prior art cannot prevent the water from being infiltrated along the horizontal direction of the waterproof structure is solved.
Drawings
In order to more clearly illustrate the embodiments of the present utility model, the drawings that are required for the description of the embodiments will be briefly described below, it being apparent that the drawings in the following description are only some embodiments of the present utility model and that other drawings may be obtained from these drawings without inventive effort for a person of ordinary skill in the art.
Fig. 1 is a schematic view of a waterproof construction of a conventional post-cast strip.
Fig. 2 is a schematic diagram of example 3 in the present utility model.
Fig. 3 is a schematic diagram of example 4 of the present utility model.
Fig. 4 is a schematic diagram of example 5 in the present utility model.
In the figure, 1 main body concrete structure, 2 post-cast strip concrete structure, 3 additional concrete layers, 4 first waterproof layers, 5 second waterproof layers, 6 first water stop steel plates, 7 water stop pressure grooves, 8 steel wire meshes, 9 second water stop steel plates, 10 slope parts and 11 plane parts.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without any inventive effort, are intended to be within the scope of the utility model.
Embodiment 1, as shown in fig. 2, 3 and 4, a post-cast strip waterproof structure of a top plate of a ground warehouse comprises main body concrete structures 1, gaps are formed between adjacent main body concrete structures 1, and post-cast strip concrete structures 2 are filled in the gaps; the main body concrete structure 1 comprises a plane part 11 and a slope part 10, the plane part 11 and the slope part 10 are integrally formed, the post-cast strip concrete structure 2 is higher than the plane part 11, transition is carried out between the post-cast strip concrete structure 2 and the plane part 11 through the slope part 10, the main body concrete structure 1 is provided with a water stop pressure groove 7, the post-cast strip concrete structure 2 and the main body concrete structure 1 are provided with waterproof structures, and a construction joint exists between the waterproof structures and the water stop pressure groove 7. When ponding oozes along waterproof construction horizontal direction, ponding can permeate among the construction joint between waterproof construction and the stagnant water indent, the ponding in the middle of the infiltration construction joint mostly can all be along the construction joint is arranged outward, the ponding has been hindered and the infiltration of waterproof construction along the horizontal direction is carried out, little ponding continues to permeate along waterproof construction horizontal direction in addition, the ponding that continues to permeate is reduced, the ponding that has hindered ponding to permeate continuously towards the horizontal direction, waterproof impervious effect has been strengthened, greatly reduced ponding can permeate post-cast strip position, the risk that leads to the basement bottom plate can appear the infiltration, post-cast strip waterproof construction among the prior art can not hinder ponding along waterproof construction carries out the technical problem of horizontal direction infiltration.
Example 1 when implemented, step 1: pouring a main concrete structure 1, wherein the main concrete structure 1 comprises a plane part 11 and a slope part 10 which are integrally formed;
step 2: pouring a post-pouring belt after acceptance, wherein the post-pouring belt adopts micro-expansion concrete with shrinkage compensation to pour to form a post-pouring belt concrete structure 2, the post-pouring belt concrete structure 2 is higher than a plane part 11 on the main body concrete structure 1, and the top surface of the post-pouring belt concrete structure 2 is flush with the top surface of the slope part 10;
step 3: digging a water stopping pressure groove 7 on the main body concrete structure 1;
step 4: the main body concrete structure 1 and the post-pouring strip concrete structure 2 are covered with waterproof structures, because the water-stopping pressing grooves 7 and the waterproof structures are constructed step by step, construction time difference exists, and a construction joint exists between the water-stopping pressing grooves 7 and the waterproof structures after construction;
step 5: and backfilling earthwork.
Example 2 on the basis of example 1, as shown in fig. 2, 3 and 4, at least two water stop grooves 7 are provided on the main concrete structure 1. The measure of at least two water-stopping pressing grooves 7 further prevents the water accumulated on the top plate of the ground warehouse from penetrating along the horizontal direction, so that the waterproof and impervious effects of the waterproof structure designed by the utility model are enhanced.
In example 3, on the basis of example 2, as shown in fig. 2, the water stopping grooves 7 are provided on the slope portion 10. As shown in fig. 2, at least two water stopping grooves 7 are formed in the slope portion 10, when the accumulated water permeates into the slope portion 10 in the horizontal direction, most of the accumulated water can be discharged outside through the water stopping grooves 7, and the risk that the accumulated water permeates into the post-pouring zone and water seepage possibly occurs to the bottom plate of the basement is reduced.
In example 4, on the basis of example 2, as shown in fig. 3, the water stop grooves 7 are provided on the flat surface portion 11. As shown in fig. 3, at least two water stopping grooves 7 are formed in the plane portion 11, when water is infiltrated toward the post-cast strip concrete structure 2 along the horizontal direction, most of the water can be discharged outwards through the water stopping grooves 7, so that the water is difficult to continuously infiltrate into the slope portion 10, the risk that the water infiltrates into the post-cast strip is reduced, and water seepage possibly occurs to the bottom plate of the basement is caused.
In example 5, on the basis of example 2, as shown in fig. 4, the water stop grooves 7 are formed on the slope portion 10 and the plane portion 11. As shown in fig. 4, at least one water stop groove 7 is respectively formed in the slope portion 10 and the plane portion 11, when the water is infiltrated toward the post-cast strip concrete structure 2 along the horizontal direction, most of the water can be discharged outside through the water stop groove 7 on the main concrete structure 1, so that the water is difficult to continuously infiltrate into the slope portion 10, even if a small part of the water is infiltrated into the slope portion 10, the small amount of water is discharged outside again through the water stop groove 7 on the slope portion 10, and the risk that the water infiltrates into the post-cast strip position and water seepage occurs to the basement bottom plate is greatly reduced. The slope part 10 of this application can be with ponding downhill drainage to keeping away from the construction joint 300mm position, and the length of water-stop pressure groove 7 also needs to satisfy simultaneously and will permeate ponding outer discharge to keeping away from the construction joint 300 mm's position, reaches the construction joint and refuses the water effect.
In example 6, on the basis of any one of examples 3 to 5, as shown in fig. 2, 3 and 4, the groove depth of the water stop groove 7 is 20 mm to 30mm. The depth of the water stopping groove 7 is 20-mm mm, and enough space is provided for discharging accumulated water outside the water stopping groove 7.
Embodiment 7, on the basis of embodiment 6, as shown in fig. 2, 3 and 4, the waterproof structure includes a first waterproof layer 4, the first waterproof layer 4 covers the top surface of the post-cast strip concrete structure 2 and the top surface of the main body concrete structure 1, the top surface of the first waterproof layer 4 is provided with a second waterproof layer 5, and a construction joint exists between the first waterproof layer 4 and the water-stopping pressing groove 7. The top surface of post-cast strip concrete structure 2 lays first waterproof layer 4 and second waterproof layer 5, through the protection of first waterproof layer 4 and second waterproof layer 5, has avoided ponding to permeate into in the middle of the post-cast strip concrete structure 2 along vertical direction, and first waterproof layer 4 and the construction of water stop pressure groove 7 step by step have the construction time difference, have the construction joint between water stop pressure groove 7 and the first waterproof layer 4 after the construction, and the ponding of infiltration along the horizontal direction is arranged along this construction joint.
In embodiment 8, on the basis of embodiment 6, as shown in fig. 2, 3 and 4, the waterproof structure includes a first waterproof layer 4, an additional concrete layer 3 is disposed on the top surface of the first waterproof layer 4, a construction joint is disposed between the first waterproof layer 4 and the water-stopping pressing groove 7, a second waterproof layer 5 is covered on the top surface of the additional concrete layer 3, and a construction joint is disposed between the additional concrete layer 3 and the first waterproof layer 4. Through the protection of first waterproof layer 4 and second waterproof layer 5, avoided ponding to permeate into in the middle of the post-cast strip concrete structure 2 along vertical direction, laid additional concrete layer 3 between first waterproof layer 4 and the second waterproof layer 5, utilized additional concrete layer 3 to strengthen waterproof structure's intensity, strengthened simultaneously to the waterproof impervious effect of post-cast strip concrete structure 2 vertical direction.
In embodiment 9, on the basis of any one of embodiments 1 to 5, 7 and 8, as shown in fig. 2, 3 and 4, a first water-stop steel plate 6 is disposed in the post-cast strip concrete structure 2, two ends of the first water-stop steel plate 6 are respectively connected with the main concrete structure 1 and the post-cast strip concrete structure 2, and a steel wire mesh 8 is disposed between the post-cast strip concrete structure 2 and the main concrete structure 1. The first water-stop steel plate 6 is a U-shaped steel plate, and the U-shaped opening of the first water-stop steel plate 6 is upward and used for preventing water flow in the vertical direction from penetrating into the ground warehouse. The first water-stop steel plate 6 is placed before the main body concrete structure 1 is poured, and a dense-purpose steel wire mesh 8 with certain rigidity for blocking concrete is arranged on the upper side and the lower side of the first water-stop steel plate 6, so that the fixation is firm.
In example 10, as shown in fig. 2, 3 and 4, on the basis of example 9, the post-cast strip concrete structure 2 and the main concrete structure 1 are respectively provided with a second water-stop steel plate 9, the second water-stop steel plates 9 are perpendicular to the first water-stop steel plates 6, and the second water-stop steel plates 9 on the post-cast strip concrete structure 2 are connected with the second water-stop steel plates 9 on the main concrete structure 1 through the first water-stop steel plates 6. The first water-stop steel plate 6 and the second water-stop steel plate 9 are welded, so that the connection strength of the post-cast strip concrete structure 2 and the main body concrete structure 1 is further enhanced. The second water stop steel plate 9 is also a U-shaped steel plate, the U-shaped opening of the second water stop steel plate 9 on the main body concrete structure 1 horizontally faces the direction of seeper infiltration, the second water stop steel plate 9 on the main body concrete structure 1 is utilized to prevent water flow from infiltrating into the post-cast strip concrete structure 2 in the horizontal direction, the steel wire mesh 8 is used for intercepting concrete of the main body structure to form the main body concrete structure 1, and the post-cast strip concrete is poured after the main body concrete structure 1 reaches the pouring condition.
The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, alternatives, and improvements that fall within the spirit and scope of the utility model.

Claims (10)

1. The post-pouring belt waterproof structure of the top plate of the ground warehouse comprises main body concrete structures (1), gaps are formed between adjacent main body concrete structures (1), and post-pouring belt concrete structures (2) are filled in the gaps; the main body concrete structure (1) comprises a plane part (11) and a slope part (10), the plane part (11) and the slope part (10) are integrally formed, the post-cast strip concrete structure (2) is higher than the plane part (11), transition is carried out between the post-cast strip concrete structure (2) and the plane part (11) through the slope part (10), and the concrete structure is characterized in that a water stop groove (7) is formed in the main body concrete structure (1), waterproof structures are arranged on the post-cast strip concrete structure (2) and the main body concrete structure (1), and construction joints exist between the waterproof structures and the water stop groove (7).
2. The post-pouring strip waterproof structure of a ground warehouse roof according to claim 1, characterized in that at least two water stop grooves (7) are provided on the main concrete structure (1).
3. The post-pouring strip waterproofing structure of a floor warehouse roof according to claim 2, characterized in that the water-stopping pressing grooves (7) are all provided on the slope portion (10).
4. The post-cast strip waterproofing structure of a floor warehouse roof according to claim 2, characterized in that the water-stopping pressing grooves (7) are all provided on a planar portion (11).
5. The post-pouring strip waterproof structure of a ground warehouse roof according to claim 2, wherein the water stopping grooves (7) are arranged on the plane part (11) and the slope part (10).
6. The waterproof structure of the post-cast strip of the ground warehouse roof according to any one of claims 3 to 5, wherein the water-stopping pressing groove (7) has a groove depth of 20-mm mm to 30mm.
7. The post-pouring strip waterproof structure of the ground warehouse roof according to claim 6, wherein the waterproof structure comprises a first waterproof layer (4), the first waterproof layer (4) is covered on the top surface of the post-pouring strip concrete structure (2) and the top surface of the main body concrete structure (1), a second waterproof layer (5) is arranged on the top surface of the first waterproof layer (4), and a construction joint exists between the first waterproof layer (4) and the water-stopping pressing groove (7).
8. The post-pouring strip waterproof structure of the ground warehouse roof according to claim 6, characterized in that the waterproof structure comprises a first waterproof layer (4), an additional concrete layer (3) is arranged on the top surface of the first waterproof layer (4), a construction joint exists between the first waterproof layer (4) and the water-stopping pressing groove (7), and a second waterproof layer (5) is covered on the top surface of the additional concrete layer (3).
9. The post-cast strip waterproof structure of the ground warehouse roof according to any one of claims 1-5, 7 and 8, characterized in that a first water stop steel plate (6) is arranged in the post-cast strip concrete structure (2), two ends of the first water stop steel plate (6) are respectively connected with the main body concrete structure (1) and the post-cast strip concrete structure (2), and a steel wire mesh (8) is arranged between the post-cast strip concrete structure (2) and the main body concrete structure (1).
10. The post-cast strip waterproof structure of the ground warehouse roof according to claim 9, wherein the post-cast strip concrete structure (2) and the main body concrete structure (1) are internally provided with second water-stop steel plates (9), the second water-stop steel plates (9) are perpendicular to the first water-stop steel plates (6), and the second water-stop steel plates (9) on the post-cast strip concrete structure (2) are connected with the second water-stop steel plates (9) on the main body concrete structure (1) through the first water-stop steel plates (6).
CN202322336975.9U 2023-08-30 2023-08-30 Waterproof structure of post-pouring belt of top plate of ground warehouse Active CN220686145U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202322336975.9U CN220686145U (en) 2023-08-30 2023-08-30 Waterproof structure of post-pouring belt of top plate of ground warehouse

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202322336975.9U CN220686145U (en) 2023-08-30 2023-08-30 Waterproof structure of post-pouring belt of top plate of ground warehouse

Publications (1)

Publication Number Publication Date
CN220686145U true CN220686145U (en) 2024-03-29

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Application Number Title Priority Date Filing Date
CN202322336975.9U Active CN220686145U (en) 2023-08-30 2023-08-30 Waterproof structure of post-pouring belt of top plate of ground warehouse

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