CN219261129U - Protective structure suitable for post-cast strip and post-cast strip - Google Patents
Protective structure suitable for post-cast strip and post-cast strip Download PDFInfo
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- CN219261129U CN219261129U CN202223447671.1U CN202223447671U CN219261129U CN 219261129 U CN219261129 U CN 219261129U CN 202223447671 U CN202223447671 U CN 202223447671U CN 219261129 U CN219261129 U CN 219261129U
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Abstract
The utility model relates to a protective structure suitable for a post-cast strip, which comprises a first steel plate with the width larger than that of the post-cast strip, wherein a plurality of pegs are fixedly connected to the upper surface of the first steel plate at intervals. The utility model also discloses a post-pouring belt which comprises a second pouring concrete layer arranged between the two first pouring concrete layers, wherein a reinforcing steel bar structure is connected between the first pouring concrete layers at two sides, the reinforcing steel bar structure is covered by the second pouring concrete layer, the post-pouring belt further comprises the protection structure, the upper surface of the first steel plate is connected with the second pouring concrete layer and the first pouring concrete layers at two sides of the second pouring concrete layer, and the pegs are respectively embedded into the first pouring concrete layer and the second pouring concrete layer. The beneficial effects are as follows: the problem that the post-pouring belt floats upwards is solved while water seepage is effectively prevented.
Description
Technical Field
The utility model belongs to the technical field of building construction, and particularly relates to a protective structure suitable for a post-cast strip and the post-cast strip.
Background
The post-cast strip is a temporary construction joint reserved at the corresponding positions of a foundation slab, a wall and a beam according to the design or construction specification requirements in order to prevent harmful cracks possibly generated due to uneven self shrinkage or uneven settlement of a cast-in-situ reinforced concrete structure in building construction, the post-cast strip temporarily divides the structure into a plurality of parts, the construction joint is internally shrunk after a plurality of times, and then concrete is poured and smashed after a plurality of times, so that the 'becoming whole' of the concrete structure is realized.
The construction specification requirements are required to be met for the outer wall part of the underground building, internal shrinkage in the concrete curing process is ensured, namely, a post-cast strip is required to be arranged for the outer wall part of the underground building, and on the other hand, the water resistance problem between the post-cast strip and a first cast concrete layer poured in advance is required to be considered for arranging the post-cast strip for preventing leakage of the basement.
Currently, a conventional method for a post-cast strip of an outer wall part of an underground building is to set an advanced water stop lower horizontal layer at the post-cast strip, however, the construction process is complicated and complex, drainage is not allowed, the post-cast strip is extruded by underground water, and a basement is easy to float and arch, so that the problem of water seepage at the post-cast strip of the outer wall part of the underground building and the problem of float and arch of the post-cast strip caused by extrusion of the post-cast strip by the underground water are solved, and the problem is a problem to be solved in the current building industry.
Disclosure of Invention
The utility model aims at providing a protective structure suitable for a post-cast strip, which aims at solving the problems that the post-cast strip in the current pouring is complex in process, easy to permeate water and easy to float upwards and arch; the utility model also provides a post-cast strip.
In order to achieve the above purpose, the present utility model adopts the following technical scheme:
the utility model provides a protective structure suitable for post-cast strip, includes the first steel sheet that width is greater than post-cast strip width, the upper surface interval of first steel sheet is fixedly connected with a plurality of pegs;
the first steel plate with the width larger than that of the post-cast strip is utilized, the first steel plate is placed on the bottom surface of the concrete layer before the first concrete layer is poured, meanwhile, part of the studs are covered by the first concrete layer, the first steel plate is fixed, the first steel plate is utilized, leakage of groundwater from the joint of the first concrete layer and the post-cast strip is avoided, meanwhile, the gap between the first steel plate and soil can be utilized for guiding the groundwater, so that the groundwater is discharged, and the extrusion force of the groundwater is effectively relieved.
Preferably, the protective structure suitable for the post-cast strip further comprises a second steel plate, wherein the second steel plate is connected with the first steel plate to form a box body shape with a cavity.
Further, a drainage hole is formed in the second steel plate, and the drainage hole penetrates through the second steel plate along the thickness direction of the second steel plate;
through set up drainage hole on the second steel sheet, and the one end opening of drainage hole is located the cavity, and the other end is located the surface of box, and groundwater can get into in first steel sheet and the second steel sheet constitution cavity through the drainage hole to can drain groundwater through the cavity easily.
Further, yellow sand is filled in the cavity.
Further, the orifice portion of drainage hole is equipped with the filter screen, the filter screen with the second steel sheet is connected, through setting up the filter screen in the orifice portion of drainage hole, has prevented effectively that earth from losing along with groundwater.
The post-cast strip comprises a second cast layer arranged between two first cast layers, wherein a reinforcing steel bar structure is connected between the first cast layers at two sides, the reinforcing steel bar structure is coated by the second cast layers, the post-cast strip further comprises the protection structure, the upper surface of a first steel plate is connected with the second cast layers and the first cast layers at two sides of the second cast layers, and the studs are respectively embedded into the first cast layers and the second cast layers.
Preferably, the post-pouring belt provided by the utility model further comprises a closing-up net, wherein the closing-up net is arranged on the opposite end face of the first pouring concrete layer, and the second pouring concrete layer is connected with the closing-up net.
The protective structure suitable for the post-cast strip and the post-cast strip have the beneficial effects that: the problem that the post-pouring belt floats upwards to be arched is solved while water seepage is effectively prevented; the concrete steps are as follows:
the first steel plate is utilized ingeniously, when the protective structure suitable for the post-cast strip is used, only the protective structure is required to be preset when the first concrete layer is poured, compared with the lower horizontal layer of the advanced water stop strip, the process is simplified, the use is simpler and more convenient, meanwhile, the first steel plate is used for effectively preventing groundwater from seeping out from the joint between the first concrete layer and the post-cast strip, and diversion can be carried out through the gap between the first steel plate and soil, so that water seepage is prevented, the extrusion force of the groundwater on the post-cast strip is eliminated, and the problem of floating and arching of the post-cast strip is solved.
And secondly, the second steel plate is connected with the first steel plate to form a box body shape with a cavity through the second steel plate, and further, the drainage hole is formed in the second steel plate, so that groundwater enters the cavity formed by the second steel plate and the first steel plate through the drainage hole, the groundwater is more easily discharged, and meanwhile, the extrusion force of the groundwater to the post-pouring belt is thoroughly eliminated.
Thirdly, through setting up the filter screen in drainage hole department, make earth can not run off along with the flow of groundwater, also can set up yellow sand in the cavity, filter groundwater, can ensure equally that earth can not run off.
Drawings
FIG. 1 is a schematic cross-sectional view of a post-cast strip to which the protective structure of the present utility model is applied;
fig. 2 is an enlarged partial schematic view at a in fig. 1.
Wherein: 1. a first steel plate; 11. a peg; 2. a second steel plate; 21. drainage holes; 3. a filter screen; 4. yellow sand; 5. a first concrete pouring layer; 6. a rebar structure; 7. closing up the net; 8. and (5) a second concrete pouring layer.
Detailed Description
The present utility model will be described in further detail with reference to the accompanying drawings.
As shown in fig. 1, the protection structure suitable for the post-cast strip comprises a first steel plate 1 with the width larger than that of the post-cast strip, and a plurality of pegs 11 are fixedly connected to the upper surface of the first steel plate 1 at intervals.
In the present embodiment, the stud 11 is a columnar member protruding from the upper surface, and for example, the stud 11 may be a reinforcing bar segment, a bolt, or the like, one end of which is fixedly connected to the upper surface of the first steel plate 1, or may be a reinforcing bar segment, or the like, both ends of which are fixedly connected to the upper surface of the first steel plate 1, wherein the fixed connection may be a detachable manner such as a threaded connection, or may be a non-detachable manner such as welding.
In this embodiment, utilize the width to be greater than the first steel sheet 1 of post-cast strip width, during the use, before pouring first layer of concrete 5 with first steel sheet 1 place the bottom surface on the layer of concrete in watering, simultaneously, utilize first layer of concrete 5 cladding to cover partial peg 11, realize fixed first steel sheet 1, utilize first steel sheet 1, avoid groundwater from first layer of concrete 5 and post-cast strip's seam crossing seepage, simultaneously, still can utilize the clearance between first steel sheet 1 and earth to the groundwater water conservancy diversion, thereby drain groundwater, alleviate the extrusion force of groundwater effectively.
Further, as shown in fig. 1 and 2, the protective structure for post-cast strip according to the present embodiment further includes a second steel plate 2, where the second steel plate 2 is connected to the first steel plate 1 to form a box shape with a cavity; in this embodiment, the second steel plate 2 is a structure formed by connecting two side plates and a bottom plate, in fact, the second steel plate 2 may be a single arc-shaped steel plate with an arc-shaped cross section, or may be a structure formed by connecting two steel plates and then connecting the two steel plates with the first steel plate 1 to form a triangle with a cross section, or a structure formed by connecting more steel plates and then connecting the two steel plates with the first steel plate 1 to form a polygon with a cross section.
Further, in the present embodiment, as shown in fig. 1 and 2, the second steel plate 2 is provided with a drainage hole 21, and the drainage hole 21 penetrates through the second steel plate 2 along the thickness direction of the second steel plate 2; by arranging the drainage hole 21 on the second steel plate 2, wherein one end of the drainage hole 21 is opened in the cavity, the other end of the drainage hole is positioned on the outer surface of the box body, and the underground water can enter the cavity formed by the first steel plate 1 and the second steel plate 2 through the drainage hole 21, so that the underground water can be easily discharged through the cavity, for example, the drainage pipe is connected with two ends of the cavity formed by the first steel plate 1 and the second steel plate 2, and the underground water permeated into the cavity from the drainage hole 21 is discharged into the water collecting well; moreover, because the groundwater enters the cavity through the drainage hole 21 and can be timely discharged, the extrusion of the groundwater to the post-cast strip is eliminated, and the floating or arching of the post-cast strip is effectively prevented.
Further, as shown in fig. 1 and 2, the yellow sand 4 is filled in the cavity, and by filling the yellow sand 4, the underground water can smoothly infiltrate into the box body by utilizing the gaps between the yellow sand 4, and meanwhile, the underground water can be filtered to prevent soil from losing together with the underground water.
Further, as another embodiment of the present utility model, as shown in fig. 1 and 2, a filter screen 3 is disposed at the orifice portion of the drainage hole 21, the filter screen 3 is connected to the second steel plate 2, and the filter screen 3 is disposed at the orifice portion of the drainage hole 21, so that the groundwater is filtered by the filter screen 3, thereby effectively preventing soil from flowing away with the groundwater; wherein, the filter screen 3 can be arranged on one side surface of the second steel plate 2 positioned in the cavity; the present utility model may be provided on the outer surface of the second steel plate 2, that is, the outer surface of the case formed by the second steel plate 2 and the first steel plate 1.
The above two embodiments may be implemented separately or simultaneously, that is, the chamber may be filled with yellow sand 4 only, the filter screen 3 may not be provided, the chamber may not be filled with yellow sand 4 only, or the filter screen 3 may be provided at the drainage hole 21 while the chamber is filled with yellow sand 4.
In this embodiment, a post-cast strip is also disclosed, including a second cast layer 8 disposed between two first cast layers 5, a reinforcing steel bar structure 6 is connected between the first cast layers 5 on both sides, the reinforcing steel bar structure 6 is covered by the second cast layer 8, and the post-cast strip further includes a protection structure as described above, the upper surface of the first steel plate 1 is connected with the second cast layer 8, the first cast layers 5 on both sides of the second cast layer 8, and the studs 11 are respectively embedded in the first cast layer 5 and the second cast layer 8.
The first concrete layer 5 is cured concrete poured in advance according to the requirement of the construction process, and the second concrete layer 8 is a concrete part forming the post-pouring belt according to the construction process; when the first concrete pouring layer 5 is poured, the first concrete pouring layer 5 is used for coating part of the studs 11, so that the protection structure suitable for the post-pouring belt, which is provided by the embodiment, is fixed, and the bottom surface of the first concrete pouring layer 5 is tightly contacted with the upper surface of the first steel plate 1, so that the seepage of groundwater from the space between the first concrete pouring layer 5 and the second concrete pouring layer 8 is prevented.
Preferably, the post-pouring belt provided by the utility model further comprises a closing-up net 7, wherein the closing-up net 7 is arranged on the opposite end face of the first pouring concrete layer 5, and the second pouring concrete layer 8 is connected with the closing-up net 7.
In summary, the protective structure suitable for post-cast strip and the post-cast strip provided by the embodiment have the beneficial effects that: the problem that the post-pouring belt floats upwards to be arched is solved while water seepage is effectively prevented; the concrete steps are as follows:
the first steel plate 1 is utilized skillfully, when the protective structure suitable for the post-cast strip is used, only the protective structure suitable for the post-cast strip is preset when the first concrete layer 5 is poured, compared with the lower horizontal layer of the advanced water stop strip, the process is simplified, the use is simpler and more convenient, meanwhile, the first steel plate 1 can be used for effectively preventing groundwater from seeping out from the joint between the first concrete layer 5 and the post-cast strip, and the water can be guided through the gap between the first steel plate 1 and soil, so that water seepage is prevented, the extrusion force of the groundwater on the post-cast strip is eliminated, and the problem of floating and arching of the post-cast strip is solved.
And secondly, the second steel plate 2 and the first steel plate 1 are connected through the second steel plate 2 to form a box body shape with a cavity, and further, the drainage hole 21 is arranged on the second steel plate 2, so that groundwater enters the cavity formed by the second steel plate 2 and the first steel plate 1 through the drainage hole 21, the groundwater is more easily discharged, and meanwhile, the extrusion force of the groundwater on the post-pouring belt is thoroughly eliminated.
Thirdly, through setting up filter screen 3 in drainage hole 21 department, make earth can not run off along with the flow of groundwater, also can set up yellow sand 4 in the cavity, filter groundwater, can ensure equally that earth can not run off.
It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments in accordance with the present application. As used herein, the singular is also intended to include the plural unless the context clearly indicates otherwise, and furthermore, it is to be understood that the terms "comprises" and/or "comprising" when used in this specification are taken to specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof.
The relative arrangement of the components and steps, numerical expressions and numerical values set forth in these embodiments do not limit the scope of the present application unless it is specifically stated otherwise. Meanwhile, it should be understood that the sizes of the respective parts shown in the drawings are not drawn in actual scale for convenience of description. Techniques, methods, and apparatus known to one of ordinary skill in the relevant art may not be discussed in detail, but where appropriate, the techniques, methods, and apparatus should be considered part of the specification. In all examples shown and discussed herein, any specific values should be construed as merely illustrative, and not a limitation. Thus, other examples of the exemplary embodiments may have different values. It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further discussion thereof is necessary in subsequent figures.
In the description of the present application, it should be understood that, where azimuth terms such as "front, rear, upper, lower, left, right", "transverse, vertical, horizontal", and "top, bottom", etc., indicate azimuth or positional relationships generally based on those shown in the drawings, only for convenience of description and simplification of the description, these azimuth terms do not indicate and imply that the apparatus or elements referred to must have a specific azimuth or be constructed and operated in a specific azimuth, and thus should not be construed as limiting the scope of protection of the present application; the orientation word "inner and outer" refers to inner and outer relative to the contour of the respective component itself.
Spatially relative terms, such as "above … …," "above … …," "upper surface at … …," "above," and the like, may be used herein for ease of description to describe one device or feature's spatial location relative to another device or feature as illustrated in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations in use or operation in addition to the orientation depicted in the figures. For example, if the device in the figures is turned over, elements described as "above" or "over" other devices or structures would then be oriented "below" or "beneath" the other devices or structures. Thus, the exemplary term "above … …" may include both orientations of "above … …" and "below … …". The device may also be positioned in other different ways (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.
In addition, the terms "first", "second", etc. are used to define the components, and are merely for convenience of distinguishing the corresponding components, and unless otherwise stated, the terms have no special meaning, and thus should not be construed as limiting the scope of the present application.
In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "provided," "connected," and the like are to be construed broadly as such and as "connected," either fixedly or detachably, or integrally; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.
The foregoing description is only of the preferred embodiments of the utility model, and all changes and modifications that come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein.
Claims (5)
1. Protective structure suitable for post-cast strip, its characterized in that: the post-pouring strip comprises a first steel plate with the width being larger than that of a post-pouring strip, wherein a plurality of pegs are fixedly connected to the upper surface of the first steel plate at intervals; the novel water tank comprises a first steel plate, and is characterized by further comprising a second steel plate, wherein the second steel plate is connected with the first steel plate to form a tank body with a cavity, a drainage hole is formed in the second steel plate, and the drainage hole penetrates through the second steel plate along the thickness direction of the second steel plate.
2. The protective structure for post-cast strip of claim 1, wherein: and yellow sand is filled in the cavity.
3. The protective structure for post-cast strip of claim 1, wherein: and a filter screen is arranged at the orifice part of the drainage hole, and the filter screen is connected with the second steel plate.
4. A post-cast strip, characterized in that: the concrete pile comprises a second concrete pouring layer arranged between two first concrete pouring layers, wherein a reinforced structure is connected between the first concrete pouring layers at two sides, the reinforced structure is coated by the second concrete pouring layer, the concrete pile further comprises a protection structure as claimed in any one of claims 1 to 3, the upper surface of a first steel plate is connected with the second concrete pouring layer and the first concrete pouring layers at two sides of the second concrete pouring layer, and the studs are respectively embedded into the first concrete pouring layer and the second concrete pouring layer.
5. The post-cast strip of claim 4 wherein: the concrete pouring device further comprises a closing-in net, the closing-in net is arranged on the opposite end face of the first concrete pouring layer, and the second concrete pouring layer is connected with the closing-in net.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223447671.1U CN219261129U (en) | 2022-12-22 | 2022-12-22 | Protective structure suitable for post-cast strip and post-cast strip |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223447671.1U CN219261129U (en) | 2022-12-22 | 2022-12-22 | Protective structure suitable for post-cast strip and post-cast strip |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219261129U true CN219261129U (en) | 2023-06-27 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223447671.1U Active CN219261129U (en) | 2022-12-22 | 2022-12-22 | Protective structure suitable for post-cast strip and post-cast strip |
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| Country | Link |
|---|---|
| CN (1) | CN219261129U (en) |
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- 2022-12-22 CN CN202223447671.1U patent/CN219261129U/en active Active
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