CN220620048U - Complex geological foundation reinforcement processing structure - Google Patents
Complex geological foundation reinforcement processing structure Download PDFInfo
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- CN220620048U CN220620048U CN202322261438.2U CN202322261438U CN220620048U CN 220620048 U CN220620048 U CN 220620048U CN 202322261438 U CN202322261438 U CN 202322261438U CN 220620048 U CN220620048 U CN 220620048U
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- 230000002787 reinforcement Effects 0.000 title abstract description 27
- 230000003068 static effect Effects 0.000 claims abstract description 21
- 239000002689 soil Substances 0.000 claims abstract description 18
- 238000010276 construction Methods 0.000 claims description 23
- 230000006641 stabilisation Effects 0.000 claims description 8
- 238000011105 stabilization Methods 0.000 claims description 8
- 238000005056 compaction Methods 0.000 claims description 6
- 239000004575 stone Substances 0.000 claims description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 3
- 238000004080 punching Methods 0.000 claims 1
- 230000009977 dual effect Effects 0.000 abstract description 2
- 230000000694 effects Effects 0.000 abstract description 2
- 239000011435 rock Substances 0.000 description 8
- 238000000034 method Methods 0.000 description 7
- 230000003014 reinforcing effect Effects 0.000 description 5
- 230000009471 action Effects 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 230000004075 alteration Effects 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 210000000438 stratum basale Anatomy 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The utility model discloses a complex geological foundation reinforcement structure, which sequentially comprises a stratum and a pebble layer from bottom to top, and comprises the following components: positioning a piling zone on the pebble layer; removing pebble layers of the pile forming areas and backfilling soil bodies to form a backfill layer; the utility model relates to the technical field of building engineering, in particular to a complex geological foundation reinforcement structure, which effectively solves the problem that gaps appear in vibration and the juncture of a filling layer are not reinforced in the existing complex geological foundation reinforcement structure, realizes the dual reinforcement effect of grouting and anchor static piles, and improves the integral strength of a foundation.
Description
Technical Field
The utility model relates to the technical field of constructional engineering, in particular to a complex geological foundation reinforcement treatment structure.
Background
The soil property that warp can be improved in the foundation stabilization, promotes the bearing capacity of soil property, reduces the stability and the safe in utilization of soil subsidence assurance building, and original foundation's intensity is different, especially complicated geology foundation, must carry out the foundation stabilization before the construction, application number: 202010776356.X discloses a complex geological foundation reinforcement method and structure, the utility model completes the reinforcement of different geological foundations by vibrating pebble layers and replacing filled soil, but the following problems still exist: in the vibration process, the rock base layer structure is affected, gaps are formed, the foundation strength is affected, and the joint of the backfill layer and the rock base layer is not provided with reinforcement treatment.
Disclosure of Invention
Aiming at the situation, in order to overcome the defects of the prior art, the complex geological foundation reinforcement structure provided by the utility model effectively solves the problem that gaps and the boundary of a filling layer are not reinforced when vibrating in the existing complex geological foundation reinforcement structure, realizes the dual reinforcement effect of grouting and anchor rod electrostatic piles, and improves the integral strength of the foundation.
The technical scheme adopted by the utility model is as follows: the utility model provides a complex geological foundation reinforcement processing structure, which sequentially comprises a stratum and a pebble layer from bottom to top, and comprises the following components: positioning a piling zone on the pebble layer; removing pebble layers of the pile forming areas and backfilling soil bodies to form a backfill layer; and constructing the high-pressure jet grouting pile of the filling layer to form a grouting layer, and constructing an anchor rod static pressure pile along the filling layer to the bedrock layer so as to strengthen the complex geological foundation.
Further, according to the complex geological foundation reinforcement processing structure provided by the utility model, the construction of the vibroflotation gravel pile, the anchor rod static pressure pile and the high-pressure jet grouting pile is carried out along the filling layer to the bedrock layer.
Furthermore, according to the complex geological foundation reinforcement processing structure provided by the utility model, the anchor rod static pressure piles are required to be subjected to pressure test before the formal pressure pile construction, and the number of the pressure test piles is not less than 1% and not less than 5 of the total number of engineering piles.
Furthermore, according to the complex geological foundation reinforcement processing structure provided by the utility model, the surface and underground barriers on the construction site are removed before the high-pressure jet grouting pile is constructed, and the pile seam position of the bored pile is found.
Further, according to the complex geological foundation reinforcement processing structure provided by the utility model, overlapping superposition or non-superposition construction of the vibroflotation gravel pile and the high-pressure jet grouting pile is performed; or the anchor rod static pressure pile can be constructed in parallel with the vibrating stone pile; or the vibroflotation gravel pile and the high-pressure jet grouting pile are in contact construction without overlapping and overlapping; or the high-pressure jet grouting pile is positioned below the vibroflotation gravel pile for construction; or the anchor rod static pressure pile can be constructed in parallel with the high-pressure jet grouting pile.
Further, according to the complex geological foundation reinforcement structure provided by the utility model, the pebble layer is a shallow layer, and the pebble layer is a shallow layer when the pebble layer is smaller than the reference depth.
Furthermore, according to the complex geological foundation reinforcement treatment structure provided by the utility model, the backfill soil body is sandy soil or broken stone soil, water is preferably fully sprayed and wetted before backfill, and the relatively heavy plate vibrator can be used for layered compaction, and the compaction of each layer is not less than three times.
The beneficial effects obtained by the utility model by adopting the structure are as follows: the complex geological foundation reinforcement structure has the advantages that the high-pressure jet grouting pile can fill gaps caused by the vibroflotation gravel pile, the original strength of a rock base layer is protected, and the anchor rod static pressure pile can be longitudinally connected with the filling layer and the rock base layer to enable the anchor rod static pressure pile to be uniformly stressed, so that settlement and inclination of a building are effectively prevented.
Drawings
Fig. 1 is a schematic cross-sectional structure of a complex geological foundation reinforcement structure according to the prior art:
fig. 2 is a schematic cross-sectional view of a complex geological foundation reinforcement structure according to the present utility model.
The pile comprises a base stratum, a pebble layer, a filling layer, a high-pressure jet grouting pile, a grouting layer, an anchor rod static pressure pile and a vibroflotation gravel pile, wherein the base stratum, the pebble layer, the filling layer, the high-pressure jet grouting pile, the grouting layer, the anchor rod static pressure pile and the vibroflotation gravel pile are arranged in sequence.
The accompanying drawings are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate the utility model and together with the embodiments of the utility model, serve to explain the utility model.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the utility model; 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.
As shown in fig. 2, the present utility model provides a complex geological foundation reinforcement structure, which sequentially includes a base stratum 1 and a pebble layer 2 from bottom to top, and comprises: positioning a pile forming region on the pebble layer 2; removing the pebble layer 2 of the piling area and backfilling soil to form a backfill layer 3; and constructing the high-pressure jet grouting piles 4 of the replacement filling layer 3 to form a grouting layer 5, and constructing the anchor rod static pressure piles 6 along the replacement filling layer 3 to the stratum basale 1 so as to strengthen the complex geological foundation.
As shown in fig. 2, the complex geological foundation reinforcing structure provided by the utility model is used for carrying out construction of vibroflotation gravel piles 7, anchor rod static pressure piles 6 and high-pressure jet grouting piles 4 along the backfill layer 3 to the stratum 1.
As shown in fig. 2, according to the complex geological foundation reinforcement structure provided by the utility model, the anchor rod static pressure piles 6 are required to be subjected to pressure test before the formal pressure pile construction, and the number of the pressure test piles is not less than 1% and not less than 5 of the total number of engineering piles.
As shown in fig. 2, the complex geological foundation reinforcing structure provided by the utility model is used for removing the surface and underground obstacles on a construction site before the construction of the high-pressure jet grouting pile 4, and finding out the pile seam position of the drilled pile.
As shown in fig. 2, the complex geological foundation reinforcement structure provided by the utility model is constructed by overlapping and overlapping or non-overlapping the vibroflotation gravel pile 7 and the high-pressure jet grouting pile 4; or the anchor rod static pressure pile 6 can be constructed in parallel with the vibrating stone pile; or the vibroflotation gravel pile 7 and the high-pressure jet grouting pile 4 are in contact and non-overlapping construction; or the high-pressure jet grouting pile 4 is positioned below the vibroflotation gravel pile 7 for construction; or the anchor rod static pressure pile 6 can be constructed in parallel with the high-pressure jet grouting pile.
As shown in fig. 2, in the complex geological foundation reinforcement structure provided by the utility model, the pebble layer 2 is shallow, and the pebble layer 2 is shallow when smaller than the reference depth.
As shown in fig. 2, the complex geological foundation reinforcing structure provided by the utility model has the advantages that the backfill soil body is sandy soil or broken stone soil, water is preferably fully sprayed and wetted before backfill, and the relatively heavy flat plate vibrator can be used for layered compaction, and the compaction of each layer is not less than three times.
When the reinforced structure is specifically used, a user firstly pays out a pile forming area on the pebble layer 2, determines the position of the replacement layer 3, changes soil into backfill, then performs vibroflotation gravel pile 7 construction on the area, reinforces the rock base layer and the replacement layer 3, uses the anchor rod static pressure pile 6 to reinforce the area, enables one end of the anchor rod to extend into the rock base layer and the other end of the anchor rod to be connected with the replacement layer 3, finally simultaneously performs vibroflotation gravel pile 7 and high-pressure jet grouting pile 4 construction, the grouting is injected into the rock base layer and the replacement layer 3 under the action of high-pressure jet grouting, and forms a grouting layer 5 in a gap between the rock base layer and the replacement layer 3, thereby being the reinforcing process of the whole complex geological foundation reinforcing structure 。
It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
The utility model and its embodiments have been described above with no limitation, and the actual construction is not limited to the embodiments of the utility model as shown in the drawings. In summary, if one of ordinary skill in the art is informed by this disclosure, a structural manner and an embodiment similar to the technical solution should not be creatively devised without departing from the gist of the present utility model.
Claims (7)
1. A complicated geological foundation consolidates and handles structure, its characterized in that: the complex geology includes basic stratum and pebble layer from bottom to top in proper order, complex geology ground reinforced structure includes: positioning a piling zone on the pebble layer; removing pebble layers of the pile forming areas and backfilling soil bodies to form a backfill layer; and constructing the high-pressure jet grouting pile of the filling layer to form a grouting layer, and constructing an anchor rod static pressure pile along the filling layer to the bedrock layer so as to strengthen the complex geological foundation.
2. A complex geological foundation stabilization structure according to claim 1, wherein: and carrying out vibration punching gravel pile, anchor rod static pressure pile and high-pressure jet grouting pile construction on the bedrock layer along the filling layer.
3. A complex geological foundation stabilization structure according to claim 2, wherein: the anchor rod static pressure pile is subjected to pressure test before the formal pressure pile construction, and the number of the pressure test piles is not less than 1% and not less than 5 of the total number of engineering piles.
4. A complex geological foundation stabilization structure according to claim 2, wherein: and removing the obstacles on the surface and underground of the construction site before the construction of the high-pressure jet grouting pile, and finding out the pile seam position of the bored pile.
5. A complex geological foundation stabilization structure according to claim 2, wherein: overlapping and overlapping or non-overlapping construction is carried out on the vibroflotation gravel pile and the high-pressure jet grouting pile; or the anchor rod static pressure pile can be constructed in parallel with the vibrating stone pile; or the vibroflotation gravel pile and the high-pressure jet grouting pile are in contact construction without overlapping and overlapping; or the high-pressure jet grouting pile is positioned below the vibroflotation gravel pile for construction; or the anchor rod static pressure pile can be constructed in parallel with the high-pressure jet grouting pile.
6. A complex geological foundation stabilization structure according to claim 1, wherein: the pebble layer is a shallow layer, and the pebble layer is a shallow layer when the pebble layer is smaller than the reference depth.
7. The complex geological foundation stabilization structure of claim 6, wherein: the backfill soil body is sandy soil or broken stone soil, water is fully sprayed and wetted before backfill, and a heavier flat vibrator can be used for layered compaction, and the compaction of each layer is not less than three times.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322261438.2U CN220620048U (en) | 2023-08-22 | 2023-08-22 | Complex geological foundation reinforcement processing structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322261438.2U CN220620048U (en) | 2023-08-22 | 2023-08-22 | Complex geological foundation reinforcement processing structure |
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| Publication Number | Publication Date |
|---|---|
| CN220620048U true CN220620048U (en) | 2024-03-19 |
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| CN202322261438.2U Active CN220620048U (en) | 2023-08-22 | 2023-08-22 | Complex geological foundation reinforcement processing structure |
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2023
- 2023-08-22 CN CN202322261438.2U patent/CN220620048U/en active Active
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