CN215977291U - Basement post-cast strip is with dismantling foundation ditch support dowel bar device - Google Patents
Basement post-cast strip is with dismantling foundation ditch support dowel bar device Download PDFInfo
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- CN215977291U CN215977291U CN202121953882.5U CN202121953882U CN215977291U CN 215977291 U CN215977291 U CN 215977291U CN 202121953882 U CN202121953882 U CN 202121953882U CN 215977291 U CN215977291 U CN 215977291U
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Abstract
The utility model discloses a detachable foundation pit supporting dowel bar device for a basement post-cast strip, which comprises two pieces of support steel which are symmetrically arranged in parallel, wherein the two pieces of support steel are fixedly connected with each other, and two ends of the support steel are fixedly arranged on two sides of the basement post-cast strip through bolts; the distance between the two supporting steels is not less than the height of the right section of the steel plate water stop. The utility model can form the whole basement structure to meet the force transmission function of the foundation pit maintenance structure after the inner support of the foundation pit support is removed in sections, thereby ensuring the safety of the foundation pit maintenance structure, and the utility model does not damage the original steel plate waterstop during installation, ensures the anti-leakage measure of the basement and reduces the loss and waste of materials.
Description
Technical Field
The utility model belongs to the technical field of building construction, and particularly relates to a detachable foundation pit supporting dowel bar device for a basement post-cast strip.
Background
At present, the size of a foundation pit is larger and deeper, the depth of the foundation pit is deeper and deeper, and the design of an inner support of the foundation pit is more and more complex, so that the inner support can not be dismantled at one time.
In the basement construction process, the post-cast strip divides the basement floor into a plurality of pieces, is unfavorable for the excavation supporting to maintain the support of structure to the foundation ditch after trading the support. The basement structure can be integrally supported together with the support changing structure and the foundation pit supporting structure by arranging the foundation pit support dowel bar device on the post-cast strip, but when the foundation pit support dowel bar is installed in the prior art, the steel plate water stop strip installed before can be damaged, so that the anti-leakage effect of the basement is influenced, the construction is complicated and complicated, and the utility model provides the following technical scheme for solving the problems.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a detachable foundation pit supporting dowel bar device for a basement post-cast strip, which ensures the safety of a foundation pit supporting and maintaining structure by adopting the foundation pit supporting dowel bar device, avoids the cracking of the basement structure caused by the lateral pressure of the foundation pit maintaining structure, does not damage a steel plate water stop strip during installation, and ensures the anti-leakage measure of the basement.
The purpose of the utility model can be realized by the following technical scheme:
the detachable foundation pit supporting dowel bar device for the basement post-cast strip comprises two pieces of support steel which are symmetrically arranged in parallel, the two pieces of support steel are fixedly connected, and two ends of the support steel are fixedly arranged on two sides of the basement post-cast strip through bolts;
the distance between the two supporting steels is not less than the height of the right section of the steel plate water stop.
As a further scheme of the utility model, the supporting steel is I-shaped steel.
As a further scheme of the utility model, the two supporting steels are fixedly connected through the two steel plates, and the two steel plates are respectively fixed on two side surfaces of the supporting steel.
As a further scheme of the utility model, the support steel and the steel plate are fixedly connected by bolts.
As a further aspect of the utility model, the steel plate is disposed at an intermediate position of the support steel.
As a further scheme of the utility model, the width G1 of the steel plate conforms to the formula G1 ≤ G2-G3, wherein G2 is the length of the supporting steel, and G3 is the front section width of the water stop belt of the steel plate.
As a further scheme of the utility model, end steel plates are fixedly arranged at two ends of the supporting steel, screw holes are formed in the end steel plates, threaded sleeves are fixedly arranged on the positions of the basement post-cast strip corresponding to the screw holes, and fixing bolts penetrate through the screw holes in the end steel plates and then are matched with the threaded sleeves.
The utility model has the beneficial effects that:
the utility model can form the basement structure to integrally meet the force transmission function of the foundation pit maintenance structure after the support in the foundation pit support is removed in sections, ensure the safety of the foundation pit maintenance structure,
the utility model does not damage the original steel plate water stop belt during installation, ensures the anti-leakage measure of the basement and reduces the loss and waste of materials.
Drawings
The utility model will be further described with reference to the accompanying drawings.
FIG. 1 is a schematic view of an installation structure of a detachable foundation pit support dowel bar device for a basement post-cast strip according to the utility model;
FIG. 2 is a front view of the present invention of a removable foundation pit support dowel bar assembly for a late poured strip in a basement;
fig. 3 is a side view of the detachable foundation pit supporting dowel bar device for the basement post-cast strip.
In the figure: 1. an end steel plate; 2. a threaded sleeve; 3. fixing the bolt; 4. a steel plate; 5. and supporting the steel.
Detailed Description
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 only a part of the embodiments of the present invention, and not all of the embodiments. 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.
As shown in fig. 1 to 3, the detachable foundation pit supporting dowel bar device for the basement post-cast strip comprises two support steels 5 which are symmetrically arranged in parallel, wherein the two support steels 5 are fixedly connected, and two ends of each support steel 5 are fixedly arranged on two sides of the basement post-cast strip through bolts;
the support steel 5 is made of the deformed steel, so that the self weight of the support steel 5 can be reduced while the support strength is ensured;
a certain space is left between the two supporting steels 5, specifically, the distance between the two supporting steels 5 is not less than the height of the positive section of the steel plate water stop, namely, when the foundation pit supporting dowel bar device is installed, the installed steel plate water stop is not affected;
the height of the right section refers to the vertical distance between the highest point and the lowest point of the steel plate water stop in the vertical direction by taking the attached figure 1 of the specification as reference;
in one embodiment of the utility model, the two support steels 5 are fixedly connected through the two steel plates 4, specifically, the steel plates 4 are fixed on two side surfaces of the support steels 5, and the installation position of the support steel 5 does not affect the installed steel plate water stop;
the supporting steel 5 and the steel plate 4 are preferably fixedly connected through bolts so as to be convenient to detach and mount;
the steel plate 4 is preferably arranged in the middle of the supporting steel 5, the width G1 of the steel plate 4 conforms to the formula G1 ≤ G2-G3, wherein G2 is the length of the supporting steel 5, G3 is the width of the positive section of the water stop belt of the steel plate, and G1, G2 and G3 are all referred to by the attached figure 2 of the specification and are the same as the length direction of the supporting steel 5;
in a specific embodiment of the application, the supporting steel 5 is i-shaped steel, both ends of the supporting steel 5 are fixedly provided with end steel plates 1, the end steel plates 1 are provided with screw holes, a threaded sleeve 2 is fixedly arranged on the position of the basement post-cast strip corresponding to the screw holes, and during installation, the supporting steel 5 passes through the screw holes on the end steel plates 1 through fixing bolts 3 and then is matched with the threaded sleeve 2 for fixing;
wherein the threaded sleeve 2 is fixed at the position of a post-cast strip of the basement in a pre-embedded manner;
in one embodiment of the application, the supporting steel 5 is designed to be a telescopic structure or a splicing structure, so that the use range of the supporting steel under different conditions can be improved, the supporting steel can be recycled, and the applicability is wider;
the mounting and dismounting method of the detachable foundation pit support dowel bar device for the basement post-cast strip comprises the following steps:
pre-burying a steel plate water stop in a post-pouring belt of the basement;
after concrete pouring on the two sides of the post-cast strip is finished, fixing the supporting steel 5 at the post-cast strip;
after the post-cast strip meets the closed condition, the foundation pit between the basement outer wall and the foundation pit maintenance structure is backfilled, and the support steel 5 with the end steel plates 1 welded at the two ends is removed after the fixing bolts 3 are removed;
and (5) carrying out post-cast strip sealing construction.
The application after excavation supporting dowel bar device is supported the segmentation in excavation supporting and is demolishd, basement structure forms the whole biography power effect that satisfies the foundation ditch and maintains the structure. The safety of the foundation pit maintenance structure is ensured, the dowel bar does not damage the original steel plate water stop belt, the basement anti-leakage measure is ensured, and meanwhile, the loss and waste of materials are reduced.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and the like are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be directly connected or indirectly connected through an intermediate member, or they may be connected through two or more elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
While one embodiment of the present invention has been described in detail, the description is only a preferred embodiment of the present invention and should not be taken as limiting the scope of the utility model. All equivalent changes and modifications made within the scope of the present invention shall fall within the scope of the present invention.
Claims (7)
1. The detachable foundation pit supporting dowel bar device for the basement post-cast strip is characterized by comprising two support steels (5) which are symmetrically arranged in parallel, wherein the two support steels (5) are fixedly connected with each other, and two ends of each support steel (5) are fixedly arranged on two sides of the basement post-cast strip through bolts;
the distance between the two supporting steels (5) is not less than the height of the right section of the steel plate water stop.
2. The removable foundation pit support dowel apparatus for the late poured band of the basement of claim 1, wherein the support steel (5) is i-shaped steel.
3. The basement post-cast strip detachable foundation pit support dowel bar device of claim 2, wherein the two support steels (5) are fixedly connected through the two steel plates (4), and the two steel plates (4) are respectively fixed on two side surfaces of the support steels (5).
4. The detachable foundation pit supporting dowel bar device for the basement post-cast strip according to claim 3, wherein the support steel (5) is fixedly connected with the steel plate (4) through bolts.
5. The basement post-cast strip detachable foundation pit support dowel steel device of claim 3, wherein the steel plate (4) is arranged in the middle of the support steel (5).
6. The detachable foundation pit supporting dowel bar device for the basement post-cast strip according to claim 5, wherein the width G1 of the steel plate (4) meets the formula G1 ≤ G2-G3, wherein G2 is the length of the support steel (5), and G3 is the width of the positive section of the steel plate water stop.
7. The detachable foundation pit support dowel bar device for the basement post-cast strip according to claim 3, wherein end steel plates (1) are fixedly mounted at two ends of the support steel (5), screw holes are formed in the end steel plates (1), threaded sleeves (2) are fixedly mounted on the basement post-cast strip corresponding to the screw holes, and fixing bolts (3) penetrate through the screw holes in the end steel plates (1) and then are matched with the threaded sleeves (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121953882.5U CN215977291U (en) | 2021-08-19 | 2021-08-19 | Basement post-cast strip is with dismantling foundation ditch support dowel bar device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121953882.5U CN215977291U (en) | 2021-08-19 | 2021-08-19 | Basement post-cast strip is with dismantling foundation ditch support dowel bar device |
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| Publication Number | Publication Date |
|---|---|
| CN215977291U true CN215977291U (en) | 2022-03-08 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202121953882.5U Active CN215977291U (en) | 2021-08-19 | 2021-08-19 | Basement post-cast strip is with dismantling foundation ditch support dowel bar device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115324075A (en) * | 2022-09-13 | 2022-11-11 | 中建铁路投资建设集团有限公司 | Construction method of recyclable baseplate post-cast strip force transfer beam |
-
2021
- 2021-08-19 CN CN202121953882.5U patent/CN215977291U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115324075A (en) * | 2022-09-13 | 2022-11-11 | 中建铁路投资建设集团有限公司 | Construction method of recyclable baseplate post-cast strip force transfer beam |
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