CN203684256U - Mesh pile foundation - Google Patents
Mesh pile foundation Download PDFInfo
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- CN203684256U CN203684256U CN201320880557.XU CN201320880557U CN203684256U CN 203684256 U CN203684256 U CN 203684256U CN 201320880557 U CN201320880557 U CN 201320880557U CN 203684256 U CN203684256 U CN 203684256U
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- pile
- pile foundation
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- 239000002689 soil Substances 0.000 claims abstract description 15
- 244000144992 flock Species 0.000 abstract 2
- 238000010276 construction Methods 0.000 description 11
- 230000003014 reinforcing effect Effects 0.000 description 6
- 238000005553 drilling Methods 0.000 description 5
- 230000009286 beneficial effect Effects 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000003993 interaction Effects 0.000 description 2
- 238000000465 moulding Methods 0.000 description 2
- 230000035515 penetration Effects 0.000 description 2
- 238000005266 casting Methods 0.000 description 1
- 230000002596 correlated effect Effects 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 239000011150 reinforced concrete Substances 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 238000004062 sedimentation Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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Abstract
The utility model discloses a mesh pile foundation which is formed by arraying a plurality of single piles which vertically penetrate into a soil body, and is characterized in that the single piles are arrayed in a rectangle; adjacent single piles are mutually connected by two pile cross beams at the bottom and middle positions of pile bodies, so that the single piles form the whole mesh pile foundation; the pile cross beams and the single piles are of an integrated structure. The mesh pile foundation has the advantages that the structure of the mesh pile foundation is simple, the pile cross beams which are used for connecting the adjacent single piles are additionally arranged at the bottom and the middle of the pile foundation to form a stable whole pile flock structure, a pile foot is arranged on each single pile, the whole bearing section of the mesh pile foundation is increased, the whole bearing capacity and the anti-dumping capacity of the pile flock are effectively improved, and in addition, compared with the common row pile foundation with equal bearing capacity, the length of each single pile is greatly shortened.
Description
Technical field
The utility model relates to pile foundation, is specifically related to a kind of netted pile foundation.
Background technology
Campshed basis is the building pile basis structure of arranging composition with certain type by queue-type, and it is large with bearing capacity, good stability, sedimentation value are little, can adapt to the features such as various geological conditionss and load situation and be widely applied in building, the hydraulic engineerings such as highrise building, large-sized workshop, water conservancy and hydropower hinge, railway engineering, highway engineering, bridge engineering, offshore production platform, nuclear power station.
Campshed basis is specifically made up of jointly some foundation piles and the cushion cap that is connected in stake top, is used to the building on it that enough bearing capacities are provided; The load of building passes to ground by its below pile foundation, the frictional resistance that wherein vertical load is generally produced by the resistance of stake substratum and pile body side and the soil body supports, and that is to say that pile foundation is broadly divided into two kinds of end bearing pile and friction piles by Force principle.
As shown in Figure 1, it is hard soil layer or rock stratum that end bearing pile 1 reaches hard formation 3(through Soft Soil Layer 2), the superstructure load of end bearing pile 1 is mainly born by hard formation 3 resistances; When construction, taking pile penetration as main, pile top enters bearing stratum depth or pile top absolute altitude can be for referencial use.
As shown in Figure 2,4 of friction piles are arranged in Soft Soil Layer 2 completely, by its pile body by compacted Soft Soil Layer 2 reality, to improve native compactness and supporting capacity, the load of its superstructure is born jointly by the frictional resistance between end-resistance and pile body side and Soft Soil Layer 2, when construction, to control pile top design elevation as main, pile penetration can be for referencial use.
The current existing problem in campshed basis is: 1. can provide enough bearing capacities in order to ensure it to upper building, very big for the length requirement of pile body, the pressure that this has not only increased construction cost aspect, has also improved the difficulty of construction; 2. at adjacent foundation pile top, coupling beam is set conventionally and interconnects, to increase the resistance to overturning on campshed basis, but its effect is very limited, and cost is higher, affects the construction of upper building.
Summary of the invention
The purpose of this utility model is according to above-mentioned the deficiencies in the prior art part, a kind of netted pile foundation is provided, the rectangular arrangement of each single pile in this netted pile foundation, by in each adjacent single pile bottom and middle part twice stake crossbeam is set realizes and be interconnected to constitute one, to improve its overall stress-bearing capability, and provide much larger than the pressure-bearing cross section on conventional campshed basis.
The utility model object realizes and being completed by following technical scheme:
A kind of netted pile foundation, this netted pile foundation is rearranged by some single piles that vertically go deep in the soil body, it is characterized in that the rectangular arrangement of some described single piles, between adjacent described single pile, being positioned at pile body bottom and medium position interconnects by twice stake crossbeam respectively, make the integrant netted pile foundation of some described single piles, wherein said stake crossbeam and described single pile are structure as a whole.
Described stake crossbeam diameter is identical with described single pile diameter.
Described single pile pile body and described stake crossbeam intersection location place have footing, and described footing is perpendicular with described crossbeam, and described footing and described single pile axis perpendicular.
Described footing and described pile body are structure as a whole, and the length of described footing is at least the twice of described single pile diameter.
Described footing is strip.
Described footing semicircular in shape shape.
Described semicircular radius is at least the twice of described single pile diameter.
The utility model has the advantages that, netted pile foundation structure is simple, by in pile foundation bottom and middle part set up a stake crossbeam that connects adjacent single pile and make it to form stable overall pile group structure, and by set up bar shaped footing or fan-shaped footing on each single pile, to increase the overall pressure-bearing cross section of netted pile foundation, effectively improve overall bearing capacity and the resistance to capsizing of pile group, in addition, compared with having the conventional campshed basis of equal bearing capacity, its single pile length can shorten greatly.
Brief description of the drawings
Fig. 1 is end bearing pile schematic diagram in prior art;
Fig. 2 is friction pile schematic diagram in prior art;
Fig. 3 is the part elevation figure of netted pile foundation in the utility model embodiment mono-;
Fig. 4 is the partial plan layout of netted pile foundation in the utility model embodiment mono-;
Fig. 5 is the overall elevation of netted pile foundation in the utility model embodiment mono-;
Fig. 6 is the overall plan view of netted pile foundation in the utility model embodiment mono-;
Fig. 7 is the part elevation figure of netted pile foundation in the utility model embodiment bis-;
Fig. 8 is the partial plan layout of netted pile foundation in the utility model embodiment bis-;
Fig. 9 is the part elevation figure of netted pile foundation in the utility model embodiment tri-;
Figure 10 is the partial plan layout of netted pile foundation in the utility model embodiment tri-.
Detailed description of the invention
Feature of the present utility model and other correlated characteristic are described in further detail by embodiment below in conjunction with accompanying drawing, so that technician's of the same trade understanding:
As Fig. 1-10, in figure, mark 1-9 is respectively: end bearing pile 1, Soft Soil Layer 2, hard formation 3, friction pile 4, single pile 5, stake crossbeam 6, netted pile foundation 7, bar shaped footing 8, semicircle footing 9.
Embodiment mono-: as shown in Figure 5,6, the present embodiment is specifically related to a kind of netted pile foundation 7 that is used to its upper building that enough bearing capacities are provided, the overall rectangular shape of this netted pile foundation 7, by the bottom in netted pile foundation 7 and medium position, twice stake crossbeam 6 is set respectively, so that the each single pile 5 in it is connected, the overall stress-bearing capability that improves pile group provides much larger than the pressure-bearing cross section on conventional campshed basis simultaneously.
As shown in Fig. 3,4,5,6, netted pile foundation 7 in the present embodiment is specifically arranged in by some single piles 5 that go deep in the soil body rectangular profile shape pile group forming, between adjacent single pile 5, connect by twice stake crossbeam 6, this twice stake crossbeam 6 lays respectively at bottom and the medium position of adjacent single pile 5, and the single pile 5 that this twice stake crossbeam 6 is connected with it is integrated builds molding structure, so that net structure between each adjacent single pile 5 in netted pile foundation 7; Wherein each single pile 5 is the cylindrical pile body of vertical setting, each 6, crossbeam is horizontally disposed cylindrical pile body, and the diameter of stake crossbeam 6 is identical with the diameter of single pile 5, in addition, be connected to the lower crossbeam 6 of adjacent single pile 5 bottoms and be connected to the dimensions of upper stake crossbeam 6 at adjacent single pile 5 middle parts just the same.
As shown in Fig. 3,4,5,6, netted pile foundation 7 in the present embodiment is in the time of construction, first adopt the mode of machinery or manually digging hole to carry out vertical pore-forming on two ground, place separated by a distance, adjacent single pile 5 is carried out to pore-forming, in this vertical hole, transfer afterwards cross drilling device to bottom and the medium position of vertical hole and carry out respectively horizontal pore-forming, so that be communicated with between adjacent vertical hole, respectively a lower crossbeam 6 and upper stake crossbeam 6 are carried out to pore-forming; Thereafter to residue, hole stake is constructed as stated above; After treating all pile hole constructions, determine as required whether below arranges the specification of reinforcing cage and reinforcing cage, last concreting pile, forms netted pile foundation 7.
In the present embodiment, adopt the beneficial effect of netted pile foundation to be specially: netted pile foundation structure is simple, set up the stake crossbeam that is connected both by the single pile bottom adjacent and middle part, not only make each single pile be linked to be overall force structure, promote pile group holistic resistant behavior, provide much larger than the pressure-bearing cross section on conventional campshed basis simultaneously, its bearing value is promoted greatly, and compared with having the conventional campshed basis of equal bearing value, single pile length can shorten greatly.
Embodiment bis-: as shown in Figure 7,8, with respect to the netted pile foundation described in embodiment mono-, netted pile foundation in the present embodiment has been set up respectively bar shaped footing 8 in each single pile 5 bottoms and middle part, further to increase pressure-bearing cross section on the basis in netted pile foundation described in embodiment mono-, and promote the resistance to capsizing of netted pile foundation.
As shown in Figure 7,8, the bottom of each single pile 5 and medium position place be provided with one group with the perpendicular bar shaped footing 8 of stake crossbeam 6, with stake crossbeam 6 intersection location places, the bar shaped footing 8 horizontally outward extending is set at single pile 5 pile bodies, every group of bar shaped footing 8 is made up of the bar shaped footing 8 of two apportion stake crossbeam 6 both sides, and bar shaped footing 8 is perpendicular with the axis of single pile 5; Wherein bar shaped footing 8 is cylindrical pile body, can be also square pile body, and the length of this bar shaped footing 8 is the twice of single pile diameter, and its length also can suitably lengthen according to soil property and requirement for bearing capacity certainly.
As shown in Figure 7,8, the netted pile foundation in the present embodiment, in the time of construction, first adopts the mode of machinery or manually digging hole to carry out vertical pore-forming on two ground, place separated by a distance, adjacent single pile 5 is carried out to pore-forming; In this vertical hole, transfer afterwards cross drilling device to bottom and the medium position of vertical hole and carry out respectively horizontal pore-forming, so that be communicated with between adjacent vertical hole, respectively a lower crossbeam 6 and upper stake crossbeam 6 being carried out to pore-forming; Thereafter again by this cross drilling device carrying out pore-forming with the perpendicular direction of stake crossbeam 6 holes, respectively the bar shaped footing 8 that is positioned at single pile 5 bottoms and middle part is carried out to pore-forming; Finally to residue, hole stake is constructed as stated above; After treating all pile hole constructions, determine as required whether below arranges the specification of reinforcing cage and reinforcing cage, last concreting pile, forms netted pile foundation.
In the present embodiment, adopt the beneficial effect of netted pile foundation to be specially:
Netted pile foundation structure is simple, set up with medium position place the stake crossbeam that is connected both by the single pile bottom adjacent, not only make each single pile be linked to be overall force structure, promote pile group holistic resistant behavior, provide much larger than the pressure-bearing cross section on conventional campshed basis simultaneously, its bearing value is promoted greatly;
In addition set up bar shaped footing 8 by the bottom at single pile 5 and medium position place and further increased the pressure-bearing cross section on campshed basis, bearing value is able to further lifting, and by means of the interaction force between bar shaped footing 8 and the soil body, can effectively promote its resistance to capsizing;
This netted pile foundation is compared with having the conventional campshed basis of equal bearing value, and single pile length can shorten greatly.
Embodiment tri-: as shown in Fig. 9,10, with respect to the netted pile foundation described in embodiment mono-, netted pile foundation in the present embodiment has been set up semicircle footing 9 at bottom and the middle part of each single pile 5, further to increase pressure-bearing cross section on the basis in netted pile foundation described in embodiment mono-, and promote the resistance to capsizing of netted pile foundation.
As shown in Fig. 9,10, the bottom of each single pile 5 and medium position place all have one group of horizontally disposed semicircle enlarged body, with stake crossbeam 6 intersection location places, the semicircle enlarged body of horizontally outward extending is set at single pile 5 pile bodies, every group of semicircle enlarged body is made up of the fan-shaped footing 9 of apportion stake crossbeam 6 both sides; Each semicircle footing 9 is formed by integrally casting reinforced concrete molding structure with single pile 5, its semicircular radius is the twice of single pile 5 diameters, certainly its radius size also can suitably lengthen according to soil property and requirement for bearing capacity, obviously, the semicircle footing 9 in the present embodiment provides pressure-bearing cross section and the stability against overturning energy than bar shaped footing is larger in embodiment bis-.
As shown in Fig. 9,10, the netted pile foundation in the present embodiment, in the time of construction, first adopts the mode of machinery or manually digging hole to carry out vertical pore-forming on two ground, place separated by a distance, adjacent single pile 5 is carried out to pore-forming; In this vertical hole, transfer afterwards cross drilling device to bottom and the medium position place of vertical hole and carry out respectively horizontal pore-forming, so that be communicated with between adjacent vertical hole, respectively a lower crossbeam 6 and upper stake crossbeam 6 being carried out to pore-forming; Again by this cross drilling device with stake crossbeam 6 holes perpendicular direction carry out reaming form semicircle interval, respectively the semicircle footing 9 that is positioned at single pile 5 bottoms and middle part is carried out to reaming-forming thereafter; Finally to residue, hole stake is constructed as stated above; After treating pile hole construction, determine as required whether below arranges the specification of reinforcing cage and reinforcing cage, last concreting pile, forms intersecting parallels campshed basis.
It should be noted that, in the present embodiment, semicircle footing 9 is not limited to be the semicircle of 180 °, also comprises the fan-shaped of 180 ° of less thaies.
In the present embodiment, adopt the beneficial effect on intersecting parallels campshed basis to be specially:
Netted pile foundation structure is simple, set up with medium position place the stake crossbeam that is connected both by the single pile bottom adjacent, not only make each single pile be linked to be overall force structure, promote pile group holistic resistant behavior, provide much larger than the pressure-bearing cross section on conventional campshed basis simultaneously, its bearing value is promoted greatly;
In addition set up semicircle footing 9 by the bottom at single pile 5 and medium position place and further increased the pressure-bearing cross section of netted pile foundation, bearing value is able to further lifting, and by means of the interaction force between semicircle footing 9 and the soil body, can effectively promote its resistance to capsizing;
This netted pile foundation is compared with having the conventional campshed basis of equal bearing value, and single pile length can shorten greatly.
Claims (7)
1. a netted pile foundation, this netted pile foundation is rearranged by some single piles that vertically go deep in the soil body, it is characterized in that the rectangular arrangement of some described single piles, between adjacent described single pile, being positioned at pile body bottom and medium position interconnects by twice stake crossbeam respectively, make the integrant netted pile foundation of some described single piles, wherein said stake crossbeam and described single pile are structure as a whole.
2. the netted pile foundation of one according to claim 1, is characterized in that described stake crossbeam diameter is identical with described single pile diameter.
3. the netted pile foundation of one according to claim 1, is characterized in that described single pile pile body and described stake crossbeam intersection location place have footing, and described footing is perpendicular with described crossbeam, and described footing and described single pile axis perpendicular.
4. the netted pile foundation of one according to claim 3, is characterized in that described footing and described pile body are structure as a whole, and the length of described footing is at least the twice of described single pile diameter.
5. the netted pile foundation of one according to claim 3, is characterized in that described footing is strip.
6. the netted pile foundation of one according to claim 3, is characterized in that described footing semicircular in shape shape.
7. the netted pile foundation of one according to claim 6, is characterized in that described semicircular radius is at least the twice of described single pile diameter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320880557.XU CN203684256U (en) | 2013-12-30 | 2013-12-30 | Mesh pile foundation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320880557.XU CN203684256U (en) | 2013-12-30 | 2013-12-30 | Mesh pile foundation |
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| Publication Number | Publication Date |
|---|---|
| CN203684256U true CN203684256U (en) | 2014-07-02 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201320880557.XU Expired - Lifetime CN203684256U (en) | 2013-12-30 | 2013-12-30 | Mesh pile foundation |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111962544A (en) * | 2020-08-28 | 2020-11-20 | 钱野 | Cooperative connected pile foundation construction device and construction process |
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2013
- 2013-12-30 CN CN201320880557.XU patent/CN203684256U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111962544A (en) * | 2020-08-28 | 2020-11-20 | 钱野 | Cooperative connected pile foundation construction device and construction process |
| CN111962544B (en) * | 2020-08-28 | 2021-11-23 | 钱野 | Cooperative connected pile foundation construction device and construction process |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140702 |
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| CX01 | Expiry of patent term |