CN219772988U - Counter weight type deep foundation pit supporting structure - Google Patents
Counter weight type deep foundation pit supporting structure Download PDFInfo
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- CN219772988U CN219772988U CN202320978177.3U CN202320978177U CN219772988U CN 219772988 U CN219772988 U CN 219772988U CN 202320978177 U CN202320978177 U CN 202320978177U CN 219772988 U CN219772988 U CN 219772988U
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- unloading
- foundation pit
- soil
- crown
- backfill
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- 239000002689 soil Substances 0.000 claims abstract description 46
- 230000000903 blocking effect Effects 0.000 claims abstract description 25
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 4
- 238000000034 method Methods 0.000 claims description 2
- 239000011150 reinforced concrete Substances 0.000 abstract description 4
- 238000010276 construction Methods 0.000 description 6
- 239000004567 concrete Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 238000004873 anchoring Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000011449 brick Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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Abstract
The utility model discloses a counterweight type deep foundation pit supporting structure which comprises a natural ground and a foundation pit bottom surface, wherein supporting piles are fixedly inserted and sleeved on one side of the natural ground, the tops of the supporting piles and the bottom of a slope are positioned at the same horizontal plane, crown beams are arranged at the tops of the supporting piles, a plurality of soil blocking columns are equidistantly arranged at the tops of the crown beams, a plurality of soil blocking plates are arranged on one side of each soil blocking column, a plurality of unloading beams are equidistantly arranged on one side of each crown beam, unloading plates are arranged at the tops of two adjacent unloading beams, backfill soil is filled in the slope placing space, and the backfill soil is positioned at the tops of the unloading plates. The utility model utilizes the matched use mode of the support pile, the crown beam, the soil blocking column, the soil blocking plate, the unloading beam, the unloading plate and the prestressed anchor rod, wherein the soil blocking column, the unloading beam and the pile crown beam are reinforced concrete, the strength of the support structure can be effectively improved after the reinforced concrete is integrated with the support pile, and the unloading plate and the soil blocking plate can be recycled and reused, thereby saving the cost and protecting the environment.
Description
Technical Field
The utility model relates to the field of supporting structures, in particular to a counterweight type deep foundation pit supporting structure.
Background
The conventional design of the current deep foundation pit pile anchor support is that a crown beam is arranged on the pile top at the position of-2.0 m, a retaining wall is formed by adopting a concrete column and a brick wall on the crown beam so as to reserve an outdoor pipeline construction position and increase ground working space, and during design calculation, the soil pressure of the side wall of the foundation pit is balanced by the counterforce provided by reinforced concrete support piles, prestressed anchor rods and the retaining wall, so that the stability of the side wall of the foundation pit is maintained.
In order to achieve the purpose, the pile body strength and the embedding depth of the support pile, the length and the number of the anchoring sections of the prestressed anchor rods are high, and a large amount of construction waste is generated by removing the retaining wall on the crown beam after the foundation pit engineering is completed.
Disclosure of Invention
The utility model aims to provide a counterweight type deep foundation pit supporting structure so as to solve the problems in the background technology.
In order to achieve the above purpose, the present utility model provides the following technical solutions: a counter weight type deep foundation pit supporting structure, comprising:
the foundation pit is arranged at the top of the natural ground, and a slope is arranged on one side of the natural ground;
the soil-blocking pile is characterized in that a supporting pile is arranged on one side of the natural ground, the top of the supporting pile and the bottom of a slope are positioned on the same horizontal plane, a crown beam is arranged on the top of the supporting pile, a plurality of soil-blocking columns are arranged at the top of the crown beam at equal intervals, a plurality of soil-blocking plates are arranged on one side of each soil-blocking column, and a plurality of unloading beams are arranged at one side of the crown beam at equal intervals.
Preferably, unloading plates are arranged at the tops of two adjacent unloading beams, the slope releasing space is filled with backfill soil, and the backfill soil is positioned at the tops of the unloading plates.
Preferably, the top of the soil blocking column and the top of the backfill soil are in the same horizontal plane, one side of the soil blocking plate is attached to the backfill soil, and one side of the soil blocking column is provided with a positioning plate.
Preferably, a plurality of fixing screws are arranged on one side of the positioning plate, the positioning plate is fixedly connected with the soil retaining columns through the fixing screws, and the positioning plate is positioned between two corresponding soil retaining plates.
Preferably, the support piles, crown beams, plurality of soil blocking columns, and plurality of relief Liang Jiaozhu are integral.
Preferably, a plurality of prestressed anchor rods are obliquely inserted into the natural ground, anchor cables are poured at one ends of the prestressed anchor rods, a plurality of anchors are arranged on one side of the crown beam and one side of the support pile, and one ends of the anchor cables are fixedly connected with the crown beam through the anchors.
Preferably, the top of backfill is provided with the rail, the bottom of rail is provided with the retaining wall, the rail passes through retaining wall fixed mounting in the top of backfill earth pillar.
The utility model has the technical effects and advantages that:
the utility model utilizes the matched use mode of the support piles, the crown beams, the soil blocking columns, the soil blocking plates, the unloading beams, the unloading plates and the prestressed anchor rods, the soil blocking columns, the unloading beams and the crown beams at the pile tops are reinforced concrete, the strength of the support structure can be effectively improved after the pile blocks are integrated with the support piles, the spliced soil blocking plates and the unloading plates can be manufactured in advance, the construction is convenient and fast, the construction efficiency can be obviously improved, the construction period can be shortened, and the unloading plates and the soil blocking plates can be recycled and reused, so that the cost is saved, and the environment is protected.
Drawings
FIG. 1 is a schematic diagram of the front internal structure of the present utility model.
Fig. 2 is an enlarged schematic view of the structure of fig. 1 according to the present utility model.
In the figure: 1. supporting piles; 2. a crown beam; 3. a soil blocking column; 4. a soil retaining plate; 5. an unloading beam; 6. an unloading plate; 7. a water retaining wall; 8. a fence; 9. a prestressed anchor rod; 10. an anchor; 11. natural ground; 12. the bottom surface of the foundation pit; 13. backfilling soil.
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 making any inventive effort, are intended to be within the scope of the utility model.
The utility model provides a counterweight type deep foundation pit supporting structure as shown in fig. 1-2, which comprises the following components:
the method comprises the steps of naturally ground 11 and foundation pit bottom 12, wherein the foundation pit bottom 12 is arranged on the top of the naturally ground 11, a slope is arranged on one side of the naturally ground 11, when the foundation pit is constructed, supporting piles 1 are constructed according to design drawings after the foundation pit is leveled, meanwhile, retaining plates 4 and unloading plates 6 are prepared, earthwork is excavated to the bottom elevation of a crown beam 2, the supporting piles 1 are chiseled to protect pile heads, the crown beam 2, the retaining columns 3 and the unloading beams 5 are bound, steel bars of the foundation pit are reinforced and supported, templates are cast, concrete is cast, after the maintenance reaches the design strength, the retaining plates 4 and the unloading plates 6 are assembled, backfill 13 is laminated, the surrounding ground of the foundation pit is hardened, a water interception ditch is built, a fence 8 is installed, earth on one side of the supporting piles 1 is excavated continuously, a prestressed anchor rod 9 is constructed, the foundation pit is circularly supported to the design elevation, and the construction is completed.
Specifically, a supporting pile 1 is designed on one side of the natural ground 11, the top of the supporting pile 1 and the bottom of the slope are positioned on the same horizontal plane, a crown beam 2 is arranged on the top of the supporting pile 1, a plurality of soil blocking columns 3 are arranged on the top of the crown beam 2 at equal intervals, a plurality of soil blocking plates 4 are arranged on one side of the soil blocking columns 3, and a plurality of unloading beams 5 are arranged on one side of the crown beam 2 at equal intervals.
Furthermore, the top of two adjacent unloading beams 5 is provided with an unloading plate 6, the slope placing space is filled with backfill 13, the backfill 13 is positioned at the top of a plurality of unloading plates 6, the soil retaining plate 4 and the unloading plates 6 are precast slabs, the precast slabs are convenient to use and can be recycled, the soil retaining columns 3 and the soil retaining plate 4 can effectively resist horizontal soil pressure, the stability of upper soil is ensured, the moment effect beneficial to the stability of a supporting structure is increased by the unloading plates 6 and the unloading beams 5, and the stress state of the supporting structure is improved.
Further, the top of the retaining column 3 and the top of the backfill 13 are in the same horizontal plane, and one side of the retaining plate 4 is attached to the backfill 13, so that the retaining plate 4 can separate the backfill 13, and collapse of the backfill 13 is avoided.
Furthermore, the support pile 1, the crown beam 2, the plurality of soil blocking columns 3 and the plurality of unloading beams 5 are poured into a whole, and the soil blocking columns 3, the soil blocking plates 4, the unloading beams 5, the unloading plates 6 and the prestressed anchor rods 9 form a balanced support structure together, so that the number of the prestressed anchor rods 9 can be reduced, the pile length of the support pile 1 can be shortened, and the consumption and the efficiency can be reduced on the basis of ensuring the integral stability of a foundation pit.
Further, the prestressed anchor rods 9 are obliquely inserted into the natural ground 11, the prestressed anchor rods 9 can pull the crown beam 2 under the action of the anchor cables and the anchor devices 10, and balance the active soil pressure of the side wall of the foundation pit, so that the stability of the crown beam 2, the support pile 1 and the plurality of soil blocking columns 3 is improved, the anchor cables are poured at one ends of the prestressed anchor rods 9, a plurality of anchor devices 10 are arranged at one sides of the crown beam 2 and one sides of the support pile 1, one ends of the anchor cables are fixedly connected with the crown beam 2 through the anchor devices 10, and accordingly the prestressed anchor rods 9 with corresponding numbers can be arranged at one sides of the support pile 1 and the crown beam 2 according to requirements.
Further, the top of backfill 13 is provided with rail 8, and rail 8 can protect the top of retaining post 3, reduces personnel's risk of dropping the foundation ditch, and the bottom of rail 8 is provided with retaining wall 7, and rail 8 passes through retaining wall 7 fixed mounting in the top of backfill 13.
Finally, it should be noted that: the foregoing description is only illustrative of the preferred embodiments of the present utility model, and although the present utility model has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements or changes may be made without departing from the spirit and principles of the present utility model.
Claims (6)
1. A counter weight type deep foundation pit supporting structure, comprising:
the foundation pit comprises a natural ground (11) and a foundation pit bottom surface (12), wherein the foundation pit bottom surface (12) is arranged at the top of the natural ground (11), and an inclined plane is arranged on one side of the natural ground (11);
the method is characterized in that: one side design of natural ground (11) has a support stake (1), the top of support stake (1) is in same horizontal plane with the bottom of putting the slope, the top of support stake (1) is provided with crown roof beam (2), the top equidistance of crown roof beam (2) is provided with a plurality of fender post (3), and is a plurality of one side of fender post (3) is provided with a plurality of retaining plates (4), one side equidistance of crown roof beam (2) is provided with a plurality of unloading roof beams (5).
2. The balanced deep foundation pit supporting structure according to claim 1, wherein the top of two adjacent unloading beams (5) is provided with unloading plates (6), the slope releasing space is filled with backfill (13), and the backfill (13) is positioned at the top of a plurality of unloading plates (6).
3. The balanced deep foundation pit supporting structure according to claim 1, wherein the top of the soil retaining column (3) and the top of the backfill soil (13) are positioned at the same horizontal plane, and one side of the soil retaining plate (4) is attached to the backfill soil (13).
4. The balanced deep foundation pit supporting structure according to claim 1, wherein the supporting piles (1), the crown beams (2), the plurality of soil blocking columns (3) and the plurality of unloading beams (5) are cast into a whole.
5. The balanced deep foundation pit supporting structure according to claim 1, wherein a plurality of prestressed anchor rods (9) are obliquely inserted into the natural ground (11), one ends of the prestressed anchor rods (9) are provided with anchor cables through pouring, one side of the crown beam (2) and one side of the supporting pile (1) are provided with a plurality of anchors (10), and one ends of the anchor cables are fixedly connected with the crown beam (2) through the anchors (10).
6. The balanced deep foundation pit supporting structure according to claim 2, wherein the top of the backfill (13) is provided with a fence (8), the bottom of the fence (8) is provided with a water retaining wall (7), and the fence (8) is fixedly installed on the top of the backfill (13) through the water retaining wall (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320978177.3U CN219772988U (en) | 2023-04-26 | 2023-04-26 | Counter weight type deep foundation pit supporting structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320978177.3U CN219772988U (en) | 2023-04-26 | 2023-04-26 | Counter weight type deep foundation pit supporting structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219772988U true CN219772988U (en) | 2023-09-29 |
Family
ID=88102646
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320978177.3U Active CN219772988U (en) | 2023-04-26 | 2023-04-26 | Counter weight type deep foundation pit supporting structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219772988U (en) |
-
2023
- 2023-04-26 CN CN202320978177.3U patent/CN219772988U/en active Active
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