CN220225353U - Pile-anchor combined foundation pit supporting structure - Google Patents
Pile-anchor combined foundation pit supporting structure Download PDFInfo
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- CN220225353U CN220225353U CN202321765153.6U CN202321765153U CN220225353U CN 220225353 U CN220225353 U CN 220225353U CN 202321765153 U CN202321765153 U CN 202321765153U CN 220225353 U CN220225353 U CN 220225353U
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- anchor
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- foundation pit
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- 239000002689 soil Substances 0.000 claims description 18
- 230000002787 reinforcement Effects 0.000 claims description 15
- 238000004873 anchoring Methods 0.000 claims description 7
- 238000010276 construction Methods 0.000 claims description 4
- 229910000831 Steel Inorganic materials 0.000 claims description 3
- 239000010959 steel Substances 0.000 claims description 3
- 210000000438 stratum basale Anatomy 0.000 claims description 3
- 241001074085 Scophthalmus aquosus Species 0.000 description 2
- 238000009412 basement excavation Methods 0.000 description 1
- 239000011083 cement mortar Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The utility model relates to the technical field of foundation pit support, in particular to a pile-anchor combined foundation pit support structure, which comprises a groove, wherein the length direction of the groove is parallel to a foundation pit, a plurality of groups of pile holes are arranged at the bottom of the groove at intervals along the length direction, the pile holes vertically downwards extend to a bedrock layer, a plurality of groups of anchor holes are arranged at intervals along the length direction at the bottom of the groove, and the anchor holes are obliquely downwards arranged towards one side far away from the foundation pit and extend to the bedrock layer; standing piles, and pouring the piles into pile holes; the anchor rod piles are poured and arranged in the anchor holes; crown roof beam, pour the stock in the recess, crown roof beam top flushes with the recess top, and crown roof beam is fixed with standing pile and stock stake connection, is connected and forms a novel foundation ditch side slope support system to multiunit standing pile and multiunit stock stake through the crown roof beam, and the stock stake through vertical setting standing pile and slope setting is spacing to whole supporting structure jointly, has further strengthened the stability of supporting, and the top width of this supporting structure is less, can avoid invading road space.
Description
Technical Field
The application relates to the technical field of foundation pit support, in particular to a pile-anchor combined foundation pit support structure.
Background
Many of the foundations for building are structures in which a soil layer is laid over a base layer, and in residential areas, buildings and cell roads are built on the soil layer. In some residential areas, when a newly constructed shallow foundation building is required, it is necessary to excavate a foundation pit alongside the existing cell road. In order to ensure safety, it is generally necessary to construct an earth slope outside the foundation pit, but in some cases, the earth slope is limited by a space region, but there is no slope releasing condition when the earth slope is encountered, and safety of pedestrians, vehicles and construction operators in the foundation pit in a community is ensured, so that the foundation pit slope needs to be supported.
In the existing foundation pit side slope supporting technology, under the condition of no slope releasing, an anti-slide pile supporting mode is usually adopted at the periphery of a foundation pit, in order to ensure the strength of a supporting structure, the pile diameter of a supporting structure row pile is required to be increased, but the mode can lead the supporting structure to occupy the road space, the road width is limited, vehicles can not pass or are difficult to pass, the construction period is long, and the engineering cost is high.
Disclosure of Invention
Aiming at the problem that the supporting structure occupies the road space in the prior art, the utility model particularly provides a pile-anchor combined foundation pit supporting structure.
Therefore, the specific technical scheme adopted by the experiment is as follows:
the utility model provides a pile-anchor combined foundation pit supporting structure, which is positioned at the outer side of a foundation pit, wherein the foundation pit is positioned in a soil layer, and a stratum basale is arranged below the soil layer, and is characterized in that: pile-anchor combined foundation pit supporting structure comprises
The groove is arranged at the top of the soil layer, the length direction of the groove is parallel to the foundation pit, a plurality of groups of pile holes are formed in the bottom of the groove at intervals along the length direction, the pile holes vertically downwards extend to the bedrock layer, a plurality of groups of anchor holes are formed in the bottom of the groove at intervals along the length direction, the anchor holes are obliquely downwards arranged at one side far away from the foundation pit and extend to the bedrock layer, and the anchor holes are positioned between adjacent pile holes;
standing piles, wherein the standing piles are poured and arranged in pile holes, and the tops of the standing piles are flush with the bottoms of the grooves;
the anchor rod piles are poured and arranged in the anchor holes;
and the crown beam is poured into the groove, the top of the crown beam is flush with the top of the groove, and the crown beam is fixedly connected with the vertical piles and the anchor pile.
Preferably, the anchor bar is arranged in the anchor bar pile, the top of the anchor bar is higher than the bottom surface of the groove, a locator is fixedly arranged on the anchor bar, the anchor bar pile is supported and fixed by the anchor bar and the locator, and the stability of the anchor bar pile is ensured.
Preferably, the crown beam is internally provided with a reinforcement cage, the reinforcement cage is fixedly connected with the anchoring reinforcement, the connection strength of the crown beam and the anchor rod pile is enhanced by arranging the reinforcement cage to be connected with the anchoring reinforcement, and the supporting strength is improved.
Preferably, the bottom of the groove is provided with a plurality of groups of pile holes along the direction far away from the foundation pit, and the foundation pit can be supported in a multi-point manner by arranging the plurality of groups of pile holes for pouring, so that the supporting strength is enhanced.
Preferably, the distance between two adjacent groups of pile holes along the length direction of the groove is 0.3-0.35 m, the distance between two adjacent groups of pile holes along the direction far away from the foundation pit is 0.6-0.7 m, the distance between two adjacent groups of anchor piles is 2.3-2.5 m, and the supporting strength of the standing piles and the anchor piles to the foundation pit is ensured.
Preferably, the diameters of the vertical pile and the anchor rod pile are 0.3-0.35 m, so that the strength of the vertical pile and the anchor rod pile is ensured.
Preferably, the included angle between the axis of the anchor hole and the horizontal plane is a, a is more than or equal to 60 degrees and less than or equal to 72 degrees, the limit of the anchor rod pile on the vertical pile and the crown beam is enhanced, and the supporting strength is improved.
Preferably, still include supplementary anchor mechanism, supplementary anchor mechanism includes anchor seat, anchor pole and base, anchor seat is pour and is set up in crown roof beam top, anchor seat is close to foundation ditch one side slope and is provided with the through-hole, the slope is provided with the counter bore that is used for the through-hole to align on the soil layer, the counter bore extends to the bedrock layer, anchor pole inserts and establishes in through-hole and counter bore, the base is pour and is set up in counter bore bottom, the base is connected fixedly with anchor pole, anchor pole top is located anchor seat and is equipped with the screw thread section, the nut cover is established on the screw thread section, if need carry out the reinforcement anchor to the part of foundation ditch lateral wall when excavating the foundation ditch, can be through pouring anchor seat on crown roof beam, then carry out local reinforcement to the foundation ditch lateral wall through anchor pole and base, guarantee the intensity of support.
By adopting the technical scheme, the method has the advantages that:
the foundation pit is provided with a groove, the length direction of the groove is parallel to the foundation pit, a plurality of groups of pile holes are arranged at intervals along the length direction at the bottom of the groove, the pile holes vertically downwards extend to a bedrock layer, a plurality of groups of anchor holes are arranged at intervals along the length direction at the bottom of the groove, the anchor holes are obliquely downwards arranged at one side far away from the foundation pit and extend to the bedrock layer, and the anchor holes are positioned between adjacent pile holes; standing piles, wherein the standing piles are poured and arranged in pile holes, and the tops of the standing piles are flush with the bottoms of the grooves; the anchor rod piles are poured and arranged in the anchor holes; crown roof beam, pour the stock in the recess, crown roof beam top flushes with the recess top, and crown roof beam is fixed with standing pile and stock stake connection, is connected and forms a novel foundation ditch side slope support system to multiunit standing pile and multiunit stock stake through the crown roof beam, and the stock stake through vertical setting standing pile and slope setting is spacing to whole supporting structure jointly, has further strengthened the stability of supporting, and the top width of this supporting structure is less, can avoid invading road space.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings that are needed in the description of the embodiments will be briefly introduced below, it being obvious that the drawings in the following description are only some embodiments of the present application, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 shows a schematic structural view of the present utility model;
FIG. 2 shows a side view of the present utility model;
FIG. 3 shows a partial schematic of the present utility model;
fig. 4 shows a partial schematic structure of the present utility model.
Wherein: stratum 1, soil layer 2, foundation pit 3, vertical piles 4, anchor rod piles 5, anchor steel bars 501, positioners 502, crown beams 6, enclosing walls 7, buildings 8, roads 9, anchor rods 10 and anchor seats 11.
Detailed Description
The following description of the embodiments of the present application 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, of the embodiments of the present application. All other embodiments, which can be made by one of ordinary skill in the art without undue burden from the present disclosure, are within the scope of the present disclosure.
As shown in fig. 1 to 4, the embodiment of the utility model discloses a pile-anchor combined foundation pit supporting structure, which is positioned at the outer side of a foundation pit, wherein the foundation pit is positioned in a soil layer, and a stratum basale is arranged below the soil layer, and the pile-anchor combined foundation pit supporting structure is characterized in that: pile-anchor combined foundation pit supporting structure comprises
The groove is arranged at the top of the soil layer, the length direction of the groove is parallel to the foundation pit, a plurality of groups of pile holes are arranged at intervals along the length direction at the bottom of the groove, the pile holes vertically downwards extend to the bedrock layer 1, a plurality of groups of anchor holes are arranged at intervals along the length direction at the bottom of the groove, the anchor holes are obliquely downwards arranged at one side far away from the foundation pit 3 and extend to the bedrock layer 1, and the anchor holes are positioned between the adjacent pile holes;
a pile 4 is erected, an anchor rod is poured into the pile hole, and the top of the pile 4 is flush with the bottom of the groove;
the anchor rod piles 5 are used for pouring anchor rods into anchor holes;
and the crown beam 6 is poured into the groove, the top of the crown beam 6 is flush with the top of the groove, and the crown beam 6 is fixedly connected with the vertical piles 4 and the anchor pile 5.
In at least one embodiment, the anchor bar 501 is arranged in the anchor bar pile 5, the top of the anchor bar 501 is higher than the bottom surface of the groove, the anchor bar 501 is fixedly provided with the locator 502, and the anchor bar pile 5 is supported and fixed by arranging the anchor bar 501 and the locator 502, so that the stability of the anchor bar pile 5 is ensured.
In at least one embodiment, the crown beam 6 is internally provided with a reinforcement cage, the reinforcement cage is fixedly connected with the anchoring reinforcement 501, and the connection strength of the crown beam 6 and the anchor pile 5 is enhanced by arranging the reinforcement cage to be connected with the anchoring reinforcement 501, so that the support strength is improved.
In at least one embodiment, the bottom of the groove is provided with a plurality of groups of pile holes along the direction away from the foundation pit 3, and the foundation pit 3 can be supported in multiple points by arranging the plurality of groups of pile holes for pouring, so that the supporting strength is enhanced.
In at least one embodiment, the distance between two adjacent groups of pile holes along the length direction of the groove is 0.3-0.35 m, the distance between two adjacent groups of pile holes along the direction far away from the foundation pit 3 is 0.6-0.7 m, the distance between two adjacent groups of anchor piles 5 is 2.3-2.5 m, and the supporting strength of the vertical piles 4 and the anchor piles 5 on the foundation pit 3 is ensured.
In at least one embodiment, the diameters of the vertical pile 4 and the anchor rod pile 5 are 0.3-0.35 m, so that the strength of the vertical pile 4 and the anchor rod pile 5 is ensured.
In at least one embodiment, the included angle between the axis of the anchor hole and the horizontal plane is a, a is more than or equal to 60 degrees and less than or equal to 72 degrees, the limit of the anchor rod pile 5 on the pile 4 and the crown beam 6 is enhanced, and the supporting strength is improved.
In at least one embodiment, still include supplementary anchoring mechanism, supplementary anchoring mechanism includes anchor seat 11, anchor pole 10 and base, anchor seat 11 is pour and is set up in crown beam 6 top, anchor seat 11 is close to foundation ditch 3 one side slope and is provided with the through-hole, the slope is provided with the counter bore that aligns in the through-hole on soil layer 2, the counter bore extends to bedrock layer 1, anchor pole 10 inserts and establishes in through-hole and counter bore, the base is pour and is set up in the counter bore bottom, the base is fixed with anchor pole 10 connection, anchor pole 10 top is located anchor seat 11 and is equipped with the screw thread section, the nut cover is established on the screw thread section, if need carry out the reinforcement anchor to the part of foundation ditch 3 lateral wall when excavation foundation ditch 3, can be through pouring anchor seat 11 on crown beam 6, then carry out the local reinforcement to foundation ditch 3 lateral wall through anchor pole 10 and base, guarantee the intensity of support.
When carrying out foundation ditch 3 side slope support operation, the recess sets up in the soil layer top, and the length direction of recess is parallel with the foundation ditch, the recess bottom is equipped with multiunit stake hole along length direction interval, the stake hole is formed to soil layer 2 brill through the rig, stake hole is vertical downwards and extend to bedrock layer 1, then pour C30 fine stone concrete into to the stake hole and form vertical stake 4 after flush recess bottom surface wait to form, the recess bottom is equipped with multiunit anchor hole along length direction interval, the anchor hole is formed through the rig brill to soil layer 2, the anchor hole is to keeping away from foundation ditch 3 one side slope downward setting and extend to bedrock layer 1, pour M30 cement mortar area shaping back into the anchor hole and form stock stake 5, the anchor hole is located between the adjacent stake hole, pour C30 concrete into the recess top into at last in the recess and form crown roof beam 6 after waiting to be formed, be connected and form a novel foundation ditch 3 side slope support system through crown beam 6 to multiunit vertical stake 4 and multiunit stock stake 5, the construction is convenient, it is spacing to whole support structure jointly through vertical setting up vertical stake 4 and the stock stake 5 that inclines, guarantee stability of support structure, and the width that this road support structure is less than occupation space is avoided, and the top space is occupied by the road is small.
Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present application, and are not limiting thereof; although the present application has been described in detail with reference to the foregoing embodiments, one of ordinary skill in the art will appreciate that: the technical scheme described in the foregoing embodiments can be modified or some technical features thereof can be replaced by equivalents; such modifications and substitutions do not drive the essence of the corresponding technical solutions to depart from the spirit and scope of the technical solutions of the embodiments of the present application.
Claims (8)
1. The utility model provides a pile anchor joint foundation ditch supporting construction, is located the outside of foundation ditch, the foundation ditch is located the soil layer, and the soil layer below has stratum basale, its characterized in that: pile-anchor combined foundation pit supporting structure comprises
The groove is arranged at the top of the soil layer, the length direction of the groove is parallel to the foundation pit, a plurality of groups of pile holes are formed in the bottom of the groove at intervals along the length direction, the pile holes vertically downwards extend to the bedrock layer, a plurality of groups of anchor holes are formed in the bottom of the groove at intervals along the length direction, the anchor holes are obliquely downwards arranged at one side far away from the foundation pit and extend to the bedrock layer, and the anchor holes are positioned between adjacent pile holes;
standing piles, wherein the standing piles are poured and arranged in pile holes, and the tops of the standing piles are flush with the bottoms of the grooves;
the anchor rod piles are poured and arranged in the anchor holes;
and the crown beam is poured and arranged in the groove, the top of the crown beam is flush with the top of the groove, and the crown beam is fixedly connected with the vertical piles and the anchor rod piles.
2. The pile-anchor joint foundation pit supporting structure according to claim 1, wherein: the anchor pile is internally provided with an anchor bar, the top of the anchor bar is higher than the bottom surface of the groove, and the anchor bar is fixedly provided with a locator.
3. The pile-anchor joint foundation pit supporting structure according to claim 2, wherein: and a steel reinforcement cage is arranged in the crown beam and is fixedly connected with the anchoring steel bars.
4. The pile-anchor joint foundation pit supporting structure according to claim 1, wherein: and a plurality of groups of pile holes are formed in the bottom of the groove along the direction away from the foundation pit.
5. The pile-anchor joint foundation pit supporting structure according to claim 4, wherein: the distance between two adjacent groups of pile holes along the length direction of the groove is 0.3-0.35 m, the distance between two adjacent groups of pile holes along the direction far away from the foundation pit is 0.6-0.7 m, and the distance between two adjacent groups of anchor piles is 2.3-2.5 m.
6. The pile-anchor joint foundation pit supporting structure according to claim 1, wherein: the diameters of the vertical pile and the anchor rod pile are 0.3-0.35 m.
7. The pile-anchor joint foundation pit supporting structure according to claim 1, wherein: the included angle between the axis of the anchor hole and the horizontal plane is a, and a is more than or equal to 60 degrees and less than or equal to 72 degrees.
8. The pile-anchor joint foundation pit supporting structure according to claim 1, wherein: still including supplementary anchor, supplementary anchor includes anchor, anchor pole and base, and anchor is pour and is set up in crown roof beam top, and anchor is close to foundation ditch one side slope and is provided with the through-hole, and the slope is provided with the counter bore that is used for the through-hole to align on the soil layer, and the counter bore extends to bedrock layer, and anchor pole inserts and establishes in through-hole and counter bore, and the base is pour and is set up in counter bore bottom, and the base is connected fixedly with anchor pole, and anchor pole top is located outside the anchor and is equipped with the screw thread section.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321765153.6U CN220225353U (en) | 2023-07-06 | 2023-07-06 | Pile-anchor combined foundation pit supporting structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321765153.6U CN220225353U (en) | 2023-07-06 | 2023-07-06 | Pile-anchor combined foundation pit supporting structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220225353U true CN220225353U (en) | 2023-12-22 |
Family
ID=89186413
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321765153.6U Active CN220225353U (en) | 2023-07-06 | 2023-07-06 | Pile-anchor combined foundation pit supporting structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220225353U (en) |
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2023
- 2023-07-06 CN CN202321765153.6U patent/CN220225353U/en active Active
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