CN213296440U - Water stop structure for post-cast strip of underground chamber bottom plate - Google Patents
Water stop structure for post-cast strip of underground chamber bottom plate Download PDFInfo
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- CN213296440U CN213296440U CN202021903830.2U CN202021903830U CN213296440U CN 213296440 U CN213296440 U CN 213296440U CN 202021903830 U CN202021903830 U CN 202021903830U CN 213296440 U CN213296440 U CN 213296440U
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Abstract
The utility model discloses a basement floor post-cast strip stagnant water structure relates to the technical field of building construction, and comprises a foundation cushion layer, a pre-cast protective layer, a water-resistant plate and a post-cast strip, wherein an upper construction joint is arranged between the post-cast strip and the water-resistant plate, and a stagnant water steel strip is arranged in the middle of the upper construction joint; and a steel wire mesh and an upper template are laid in the upper construction joint and are respectively positioned on the inner side and the outer side of the water stop steel belt. The utility model discloses in through the common cooperation of wire net with the template, can prevent that water-resistant board from entering into the post-cast strip at a large amount of concrete thick liquids of pouring in-process, make water-resistant board not only need to fight against the board chisel hair after pouring maintenance shaping, and need not clear up in the post-cast strip, make workman's intensity of labour greatly reduced, improved the efficiency of construction.
Description
Technical Field
The utility model relates to a construction technical field particularly, relates to a basement bottom plate post-cast strip stagnant water structure.
Background
With the development of buildings, ultra-deep and ultra-large basements are more and more common, and due to factors such as uneven settlement and shrinkage of the structure, post-cast strips in the basements become an inevitable technical means. The post-cast strip can be sealed after the settlement post-cast strip needs to be capped by the structures on the two sides for 60 days, and the post-cast strip can be sealed after the telescopic post-cast strip needs to be constructed by the structures on the two sides for 60 days.
At the present stage, in the construction process of the post-cast strip, the two sides of the post-cast strip are separated by adopting a steel bar support and a steel wire mesh, so that the strip is kept clean, but because the steel wire mesh is of a mesh structure, when concrete is poured on the two sides of the post-cast strip, concrete slurry can flow into the post-cast strip through the steel wire mesh, so that a large amount of concrete exists in the post-cast strip, and the difficulty is increased for cleaning the post-cast strip; if the two sides of the post-cast strip are directly separated by the templates, although the two sides of the post-cast strip can be effectively prevented from flowing into the post-cast strip when the concrete is poured, the concrete needs to be chiseled manually before the later joint, so that the labor intensity is greatly increased, the construction period is prolonged, and the construction efficiency is greatly reduced.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a basement bottom plate post-cast strip stagnant water structure can not only prevent post-cast strip both sides when pouring in the concrete flows into post-cast strip, and makes later stage seam construction not need artifical chisel hair, greatly reduced workman intensity of labour makes the efficiency of construction improve greatly.
For realizing the purpose of the utility model, the technical proposal adopted is that: a water stop structure of a post-cast strip of a bottom plate of an underground chamber comprises a foundation cushion layer, a pre-cast protective layer, a water-resistant plate and a post-cast strip, wherein an upper construction joint is arranged between the post-cast strip and the water-resistant plate, and a water stop steel strip is arranged in the middle of the upper construction joint; and a steel wire mesh and an upper template are laid in the upper construction joint and are respectively positioned on the inner side and the outer side of the water stop steel belt.
Furthermore, the early-pouring protective layer is positioned on the soil facing surface of the foundation cushion layer, the water-resistant plate is divided into two parts, and the two parts of the water-resistant plate are respectively positioned on two sides of the late-pouring belt.
Furthermore, the position of the pre-cast protective layer corresponding to the post-cast strip is sunken downwards to form a groove.
Furthermore, a lower construction joint is arranged between the early casting protective layer and the later casting belt, and a lower template is laid in the lower construction joint.
Furthermore, concrete strips for blocking the lower end of the steel wire mesh are further arranged on the upper surface of the pre-cast protective layer.
Furthermore, the outer side wall of the concrete bar is flush with the groove wall of the groove.
Further, the post-cast strip is a post-cast strip for post-cast filling concrete pouring.
Furthermore, a waterproof roll material layer is arranged in the foundation cushion layer.
Furthermore, the water stop steel belt and the steel wire mesh are fixed through welding.
Furthermore, both ends of the water stop steel belt are downwards folded by 15-20 degrees.
The utility model has the advantages that,
the utility model discloses in through the common cooperation of wire net with the template, can prevent that water-resistant board from entering into the post-cast strip at a large amount of concrete thick liquids of pouring in-process, make water-resistant board not only need to fight against the board chisel hair after pouring maintenance shaping, and need not clear up in the post-cast strip, make workman's intensity of labour greatly reduced, improved the efficiency of construction.
At the water-resistant board in-process of pouring, along with pouring of concrete, the effort crescent of concrete to the wire net not only makes the concrete ooze quick through the wire net, and makes the wire net lower extreme break easily, the utility model discloses a set up on watering the protective layer earlier and block the concrete strip of wire net lower extreme, can not only fix the wire net lower extreme, and prevent effectively that the concrete thick liquid from flowing into in the post-cast strip, make in the post-cast strip cleaner.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate exemplary embodiments of the invention and together with the description serve to explain the principles of the invention.
Fig. 1 is the structure diagram of the basement bottom plate post-cast strip water stop structure provided by the utility model.
Reference numbers and corresponding part names in the drawings:
1. the concrete structure comprises a foundation cushion layer, 2, a first pouring protective layer, 3, a water-resistant plate, 4, a later pouring belt, 5, an upper construction joint, 6, a water-stop steel belt, 7, a steel wire mesh, 8, an upper template, 9, a groove, 10, a lower construction joint, 11, a lower template, 12 and concrete strips.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.
As shown in fig. 1, the utility model provides a basement floor post-cast strip stagnant water structure, including basic bed course 1, water protective layer 2 earlier, water-resistant board 3 and post-cast strip 4, basic bed course 1 is C15 pea gravel concrete pouring shaping, waters protective layer 2 earlier and adopts concrete pouring on basic bed course 1, and waters the upper surface of protective layer 2 earlier and be higher than the upper surface of basic bed course 1; the water-resistant plates 3 are positioned on two sides of the post-cast strip 4, an upper construction joint 5 is formed between each water-resistant plate 3 and the post-cast strip 4, two water-stop steel strips 6 are arranged in the middle of each upper construction joint 5, namely the two water-stop steel strips 6 are arranged on two sides of the area of the post-cast strip 4 along the vertical through length respectively; and a steel wire mesh 7 and an upper template 8 are laid in the upper construction joint 5, and the steel wire mesh 7 and the upper template 8 are respectively positioned at the inner side and the outer side of the water stop steel belt 6.
Through the matching of the steel wire mesh 7 and the upper template 8, concrete slurry cannot flow into the water stop steel belt 6 and the post-cast strip 4 through the template in the concrete pouring process of the water-resistant plate 3, so that the post-cast strip 4 does not need to be cleaned in the later pouring process of the post-cast strip 4; meanwhile, after the water resistant plate 3 is cured and molded through concrete pouring, the part of the water resistant plate 3, which is positioned below the water stop steel belt 6, does not need to be chiseled, and concrete slag generated in the chiseling process does not need to be cleaned, so that the number of workers is greatly reduced, and the construction efficiency is greatly improved.
The early casting protective layer 2 is located on the soil facing surface of the foundation cushion layer 1, the water resistant plate 3 is located on the early casting protective layer 2, the water resistant plate 3 is divided into a left part and a right part by the late casting zone 4, the two parts of the water resistant plate 3 are respectively located on the two sides of the late casting zone 4, namely, the upper construction joints 5 between the late casting zone 4 and the water resistant plate 3 are two, the water stop steel bands 6 are also two, and the two water stop steel bands 6 are respectively located in the middle of the two upper construction joints 5.
The position undercut that earlier waters protective layer 2 and correspond post-cast strip 4 forms recess 9, the width of recess 9 is greater than the interval between 3 two parts of water-resisting board, make the upper surface that waters protective layer 2 earlier and water-resisting board 3 formation stair structure, the convenience is to the installation of wire net 7 lower extreme, and make post-cast strip 4 after pouring maintenance shaping, under the prerequisite of guaranteeing post-cast strip 4 waterproof requirement, when waiting to satisfy post-cast strip 4 closed requirement, need not to clear up the laitance under the post-cast strip 4, and directly carry out the seal work of post-cast strip 4, save a large amount of manual works, the effectual construction progress that has accelerated, and utilize recess 9 can accomplish the accomodating of water-resisting board 3 laitance in the construction, avoid because of the effective thickness of post-cast strip 4 that the laitance leads to of unable effective clearance post-cast strip 4 laitance in later stage is not enough.
It has lower construction joint 10 to water earlier between protective layer 2 and the post-cast strip 4, and has laid lower bolster 11 in the lower construction joint 10, and lower bolster 11 mainly used makes things convenient for pouring of pouring protective layer 2 earlier, avoids watering protective layer 2 earlier and produces excessive thick liquid at the in-process of pouring earlier, not only makes the quality of pouring protective layer 2 earlier after pouring the maintenance shaping better, and makes and water protective layer 2 earlier and after pouring the maintenance shaping, waters 9 cell walls of recess on the protective layer 2 earlier and more smooth.
The upper surface of the first pouring protective layer 2 is also provided with a concrete strip 12 for blocking the lower end of the steel wire mesh 7, the section of the concrete strip 12 is rectangular, the length of the concrete strip 12 is equal to that of the water stop steel belt 6, the height of the concrete strip 12 can be adjusted according to actual conditions, the concrete strip 12 can fix the lower end of the steel wire mesh 7, and when the water-resistant plate 3 is poured, concrete can be blocked through the concrete strip 12, so that the concrete cannot directly overflow into the post-pouring belt 4, the post-pouring belt 4 does not need to be cleaned before pouring, the labor intensity of workers is greatly reduced, the construction period is shortened, and the construction efficiency is greatly improved.
The outer side wall of the concrete bar 12 is flush with the groove wall of the groove 9, so that the occupied area when the concrete bar 12 is cast is smaller. The post-cast strip 4 is the post-cast strip 4 cast by post-cast filling concrete, the anti-permeability grade of the post-cast filling concrete is P6, and after the post-cast strip 4 is cast, cured and molded, the joint between the post-cast strip 4 and the pre-cast protective layer 2 and the waterproof plate 3 is better.
A waterproof coiled material layer is arranged in the foundation cushion layer, and is waterproof due to the polyurethane coiled material, so that the waterproof effect can be achieved, and the water stopping function of the post-cast strip 4 is greatly improved; the water stop steel belt 6 and the steel wire mesh 7 are fixed by welding, so that the connection is firmer, and the cleanness of the interior of the post-cast strip 4 is ensured; the two ends of the water stop steel belt 6 are both folded downwards by 15-20 degrees, and the water stop steel belt can play a role in stopping water seepage.
The construction method of the water stop structure of the basement floor post-cast strip 4 comprises the following steps:
(1) firstly, constructing a basement foundation mat layer 1, and constructing a waterproof coil layer in the process of constructing the basement foundation mat layer 1;
(2) firstly pouring the protective layer 2 in the groove 9 structure of the foundation mat 1 for the first time, wherein the thickness of the firstly poured protective layer 2 which is firstly applied is 60-80 cm, after the firstly poured protective layer 2 which is firstly applied is cured and formed, building a lower template 11 on the firstly poured protective layer 2 which is firstly applied for the second time to apply the protective layer, and forming the firstly poured protective layer 2 with the groove 9 by applying the protective layer for two times;
(3) the lower template 11 is dismantled, the steel wire mesh 7, the water stop steel belt 6 and the upper template 8 are installed, concrete strips 12 are applied on the pre-cast protective layer 2, and the lower end of the steel wire mesh 7 is blocked and intercepted;
(4) after the concrete bars 12 are cured and formed, the water-resistant plate 3 is manufactured, and after the water-resistant plate 3 is cured and formed, the steel wire mesh 7 and the upper template 8 are removed;
(5) and after the settlement is basically stable, pouring the post-cast strip 4 to supplement the shrinkage concrete.
The utility model discloses can prevent that water-resistant board 3 from pouring in-process a large amount of concrete thick liquids and entering into post-cast strip 4 in, make water-resistant board 3 not only need fight water board 3 chisels hair after the pouring maintenance shaping, and need not clear up in the post-cast strip 4, make workman's intensity of labour greatly reduced, improved the efficiency of construction.
In this specification, the schematic representations of the terms used above are not necessarily intended to be the same embodiment/mode or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments/modes or examples. Furthermore, the various embodiments/aspects or examples and features of the various embodiments/aspects or examples described in this specification can be combined and combined by one skilled in the art without conflicting therewith.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. The underground chamber floor post-cast strip water stop structure is characterized by comprising a foundation cushion layer (1), a pre-cast protective layer (2), a water-resistant plate (3) and a post-cast strip (4), wherein an upper construction joint (5) is arranged between the post-cast strip (4) and the water-resistant plate (3), and a water stop steel strip (6) is arranged in the middle of the upper construction joint (5); and a steel wire mesh (7) and an upper template (8) are laid in the upper construction joint (5), and the steel wire mesh (7) and the upper template (8) are respectively positioned on the inner side and the outer side of the water stop steel belt (6).
2. The basement bottom plate post-cast strip water stop structure according to claim 1, wherein the pre-cast protective layer (2) is located on the soil facing surface of the foundation bed (1), the water resisting plate (3) is divided into two parts, and the two parts of the water resisting plate (3) are respectively located on two sides of the post-cast strip (4).
3. The basement floor post-cast strip water stop structure according to claim 1 or 2, wherein the pre-cast protective layer (2) is recessed downwards and forms a groove (9) corresponding to the position of the post-cast strip (4).
4. The basement floor post-cast strip waterstop structure of claim 3, wherein a lower construction joint (10) is arranged between the pre-cast protective layer (2) and the post-cast strip (4), and a lower template (11) is laid in the lower construction joint (10).
5. The basement bottom plate post-cast strip water stop structure according to claim 3, wherein the upper surface of the pre-cast protective layer (2) is further provided with a concrete bar (12) blocking the lower end of the steel wire mesh (7).
6. The basement bottom plate post-cast strip waterstop structure of claim 5, wherein the outer side wall of the concrete bar (12) is flush with the groove wall of the groove (9).
7. The basement floor post-cast strip waterstop structure according to claim 1, wherein the post-cast strip (4) is a post-cast filled concrete poured post-cast strip (4).
8. The basement floor post-cast strip waterstop structure of claim 1, wherein a waterproof roll layer is arranged in the foundation bed.
9. The basement bottom plate post-cast strip water stop structure according to claim 1, wherein the water stop steel strip (6) and the steel wire mesh (7) are fixed through welding.
10. The basement bottom plate post-cast strip water stop structure according to claim 1, wherein both ends of the water stop steel strip (6) are folded down by 15-20 degrees.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021903830.2U CN213296440U (en) | 2020-09-03 | 2020-09-03 | Water stop structure for post-cast strip of underground chamber bottom plate |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021903830.2U CN213296440U (en) | 2020-09-03 | 2020-09-03 | Water stop structure for post-cast strip of underground chamber bottom plate |
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| CN213296440U true CN213296440U (en) | 2021-05-28 |
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| CN202021903830.2U Active CN213296440U (en) | 2020-09-03 | 2020-09-03 | Water stop structure for post-cast strip of underground chamber bottom plate |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115354699A (en) * | 2022-08-23 | 2022-11-18 | 中建八局天津建设工程有限公司 | Bottom plate post-cast strip structure and construction method thereof |
| CN115434372A (en) * | 2022-08-09 | 2022-12-06 | 深圳市建工集团股份有限公司 | Be used for basement outer wall post-cast strip assembled template to exempt from to chisel hair and block and establish device |
-
2020
- 2020-09-03 CN CN202021903830.2U patent/CN213296440U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115434372A (en) * | 2022-08-09 | 2022-12-06 | 深圳市建工集团股份有限公司 | Be used for basement outer wall post-cast strip assembled template to exempt from to chisel hair and block and establish device |
| CN115434372B (en) * | 2022-08-09 | 2024-06-04 | 深圳市建工集团股份有限公司 | Be used for basement outer wall post-cast strip assembled template to exempt from to chisel hair to block and establish device |
| CN115354699A (en) * | 2022-08-23 | 2022-11-18 | 中建八局天津建设工程有限公司 | Bottom plate post-cast strip structure and construction method thereof |
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