CN206941600U - A kind of prestress anchorage cable stirring pile pit enclosure - Google Patents
A kind of prestress anchorage cable stirring pile pit enclosure Download PDFInfo
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- CN206941600U CN206941600U CN201720444651.9U CN201720444651U CN206941600U CN 206941600 U CN206941600 U CN 206941600U CN 201720444651 U CN201720444651 U CN 201720444651U CN 206941600 U CN206941600 U CN 206941600U
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- mixing pile
- pile
- mixing
- foundation ditch
- anchor cable
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Abstract
The utility model discloses a kind of prestress anchorage cable stirring pile pit enclosure, including the first mixing pile, the second mixing pile, anchor cable, steel pipe and connector, the bottom of first mixing pile and the second mixing pile is inserted in foundation ditch, and be set up in parallel along the surrounding of foundation ditch, form multiple rows of stirring pilework；Wherein, the first mixing pile is in contact with foundation ditch surrounding soil, and the second mixing pile is less than distance of first mixing pile apart from foundation ditch apart from the distance of foundation ditch, and first mixing pile is fixedly attached together by connector and the second mixing pile；Inserted in first mixing pile and be fixed with the anchor cable, inserted in second mixing pile and be fixed with the steel pipe；Concrete has been poured in first mixing pile and the second mixing pile.The utility model has structure and construction is simple, convenient and efficiency high beneficial effect.
Description
Technical field
The utility model belongs to technical field of buildings, is related to a kind of stirring pile pit enclosure, refers in particular to a kind of prestressing force
Anchor cable stirring pile pit enclosure.
Background technology
In ground construction, foundation ditch is the soil excavated in basic engineering position by substrate absolute altitude and basic plane size
Cheat, after the completion of excavation of foundation pit, pattern foundation pit supporting structure be set in surrounding and bottom, prevent that soil from dropping or foundation ditch collapses.Deep-cement
Mixing pile is a kind of conventional structure of pattern foundation pit supporting structure.
Deep cement-mixed pile is by the use of materials such as cement as curing agent, by specific Mixing Machine, on the spot by ground
Lower soil and cement mortar action of forced stirring, make soil scleroma into the cement stabilization with Zheng Ti ﹑ Shui Wen ﹑ sealings and some strength
Body, so as to improve foundation soil strength and Wu reason Li Neng ﹑ increase deformation modulus.As shown in figure 1, existing mixing pile is represented in figure
The general type gone along with sb. to guard him, it uses surrounding of the single mixing pile 1 along foundation ditch 2 to set, and mixing pile more than 1 is using double in Practical Project
Or plurality of rows of form, by the way of being mutually twisted, to improve the bulk strength of mixing pile 1 and sealing performance.
In present Construction practices and patent, using in deep cement-mixed pile interpolation steel pipe combined prestressing force anchor pole
Structure.In complete 12 hours of Deep Mixing Piles Construction, with engineering driller in mixing pile pore-forming, by anchor pole or anchor cable insertion anchoring
Soil layer is held, carries out anchored end slip casting；Steel pipe socket is inserted deeply on anchor pole or anchor cable through mixing pile endoporus after grout cures
Layer mixing pile bottom, pour concrete cover plate and solidify post-stretching anchor pole or anchor cable application prestressing force and locked with anchorage, then into steel pipe
Cement injection or pea gravel concreten, micro pre-stressed steel pipe concrete stake is formed, improve the Kang Wan ﹑ shear-carrying capacities of pile body.This
The structure and complicated construction technique of kind deep cement-mixed pile interpolation steel pipe combined prestressing force anchor pole, efficiency is low, construction period length,
It greatly affected normally completing for engineering.
Utility model content
The purpose of this utility model is the knot for solving existing deep cement-mixed pile interpolation steel pipe combined prestressing force anchor pole
Structure and complicated construction technique, efficiency is low, construction period length, greatly affected the problem of normally completing of engineering, there is provided a kind of
Structure and construction is simple, convenient and efficiency high stirring pile pit enclosure.
The purpose of this utility model can be reached using following technical scheme：
A kind of prestress anchorage cable stirring pile pit enclosure, including the first mixing pile, the second mixing pile, anchor cable, steel pipe and company
Junctor, the bottom of first mixing pile and the second mixing pile is inserted in foundation ditch, and is set up in parallel along the surrounding of foundation ditch, shape
Into multiple rows of stirring pilework；Wherein, the first mixing pile is in contact with foundation ditch surrounding soil, distance of second mixing pile apart from foundation ditch
Distance less than the first mixing pile apart from foundation ditch, first mixing pile are fixedly attached to one by connector and the second mixing pile
Rise；Inserted in first mixing pile and be fixed with the anchor cable, inserted in second mixing pile and be fixed with the steel pipe；
Concrete has been poured in first mixing pile and the second mixing pile.
As a kind of preferable scheme, the bottom of the anchor cable is provided with boss, and the floor space of the boss is more than anchor
The cross-sectional area of rope.
As a kind of preferable scheme, the connector includes lattice body, reinforcing bar and concrete, the both ends difference of the lattice body
It is fixedly connected with the first mixing pile and the second mixing pile, reinforcing bar is provided with the lattice body and has poured concrete and has been stirred first
Stake and the second mixing pile are fixedly attached together.
As a kind of preferable scheme, the upper end of first mixing pile and the second mixing pile is provided with pressing plate, the anchor cable
Upper end be fixedly connected with the pressing plate.
As a kind of preferable scheme, the upper end of the anchor cable is provided with external screw thread, accordingly, is provided with the pressing plate logical
Hole, the upper end of the anchor cable are fixedly connected with the pressing plate through through hole and by nut.
Implement the utility model, have the advantages that：
1st, the utility model is in tension state due to the effect of foundation ditch surrounding soil pressure, the first mixing pile, by
Anchor cable is set in the first mixing pile, prestressed pressure is generated to mixing pile, can make to be in contact with the cob wall of foundation ditch first stirs
Stake has more preferable stretching resistance performance, reduces the first mixing pile in tension caused by stake side；And in the second mixing pile
Insert into steel pipe, enhance the bending rigidity of the second mixing pile.The first mixing pile and the second mixing pile are fixed by connector
Connect together, the ability of moment of flexure is drawn and cheated in the hole for being integrally improved mixing pile, had both been improved the intensity of mixing pile, and had been reduced again
Deformation, crack is reduced, simple in construction, overall performance is good, and Stability Analysis of Structures is reliable.
2nd, the first mixing pile and the second mixing pile of the present utility model are affixed to together by lattice body, and by
Reinforcing bar and casting concrete are set in lattice body and by the first mixing pile and the second mixing pile seamless connectivity to together so that first
Mixing pile and the second mixing pile are tightly connected, and can preferably be prevented in extraneous infiltration to foundation ditch.
3rd, the first mixing pile and the second mixing pile are fixedly attached to one by construction method of the present utility model by connector
Rise, and by constantly to being inserted respectively into anchor cable and steel pipe in the first mixing pile and the second mixing pile, improving the strong of mixing pile
Degree, reduces the deformation of construction, reduces crack, improves the overall mechanical properties of mixing pile, and realizes the by connector
The sealed connection of one mixing pile and the second mixing pile, preferably prevent external water from penetrating into foundation ditch, have construction technology relatively simple
Singly, the characteristics of structural strength is high and reliable and stable.
Brief description of the drawings
, below will be to embodiment in order to illustrate more clearly of the utility model embodiment or technical scheme of the prior art
Or the required accompanying drawing used is briefly described in description of the prior art, it should be apparent that, drawings in the following description are only
It is some embodiments of the utility model, for those of ordinary skill in the art, is not paying the premise of creative work
Under, other accompanying drawings can also be obtained according to these accompanying drawings.
Fig. 1 is the structural representation of existing mixing pile；
Fig. 2 is the structural representation of the utility model stirring pile pit enclosure；
Fig. 3 is sectional views of the Fig. 2 along A-A directions；
Fig. 4 is sectional views of the Fig. 2 along B-B directions；
Fig. 5 is the mounting structure schematic diagram of the utility model stirring pile pit enclosure.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the embodiment of the utility model is carried out
Clearly and completely describing, it is clear that described embodiment is only the utility model part of the embodiment, rather than whole
Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not under the premise of creative work is made
The every other embodiment obtained, belong to the scope of the utility model protection.
Embodiment
Reference picture 1 and Fig. 5, the present embodiment are related to stirring pile pit enclosure, including the first mixing pile 1, the second mixing pile 2,
Anchor cable 3, steel pipe 4 and connector 5, the bottom of the mixing pile 2 of the first mixing pile 1 and second are inserted in foundation ditch, and along base
The surrounding in hole is set up in parallel, and forms multiple rows of stirring pilework；Wherein, the first mixing pile 1 is in contact with foundation ditch surrounding soil 10, the
Two mixing piles 2 are less than distance of first mixing pile 1 apart from foundation ditch apart from the distance of foundation ditch, and first mixing pile 1 passes through connection
Body 5 is fixedly attached together with the second mixing pile 2；Inserting and the anchor cable 3 is fixed with first mixing pile 1, described the
Inserted in two mixing piles 2 and be fixed with the steel pipe 4；Concrete has been poured in the mixing pile 2 of first mixing pile 1 and second.
Due to the effect of the pressure of foundation ditch surrounding soil 10, the first mixing pile 1 is in tension state, by the first mixing pile
Anchor cable 3 is set in 1, prestressed pressure is generated to mixing pile, the first mixing pile 1 that can make to be in contact with the cob wall of foundation ditch 10 has
More preferable stretching resistance performance, reduces the first mixing pile 1 in tension caused by stake side；And inserted in the second mixing pile 2
Enter steel pipe 4, enhance the bending rigidity of the second mixing pile 2, the second mixing pile 2 is as the cob wall wall around foundation ditch.Pass through connection
First mixing pile 1 and the second mixing pile 2 are fixedly attached together by body 5, and moment of flexure is drawn and cheated in the hole for being integrally improved mixing pile
Ability, had both improved the intensity of mixing pile, reduced deformation again, reduced crack, simple in construction, overall performance is good, Stability Analysis of Structures
Reliably.
The bottom of the anchor cable 3 is provided with boss 31, and the floor space of the boss 31 is more than the cross section face of anchor cable 3
Product.Because the floor space of boss 31 is more than the cross-sectional area of anchor cable 3, increase the frictional force of the mixing pile 1 of anchor cable 3 and first,
Allow to apply the first mixing pile 1 bigger prestressing force, ensure the steadiness of the first mixing pile 1.
As shown in Figures 2 to 4, the connector 5 includes lattice body 51, reinforcing bar and concrete 52, the both ends of the lattice body 51
Be fixedly connected respectively with the first mixing pile 1 and the second mixing pile 2, reinforcing bar is provided with the lattice body 51 and poured concrete 52 and
First mixing pile 1 and the second mixing pile 2 are fixedly attached together.The first mixing pile 1 and the second mixing pile 2 of the structure pass through
Lattice body 51 is affixed to together, and by setting reinforcing bar and casting concrete 52 in lattice body 51 by the first mixing pile 1
With the seamless connectivity of the second mixing pile 2 to together so that the first mixing pile 1 is tightly connected with the second mixing pile 2, can preferably be prevented
Only in extraneous infiltration to foundation ditch.
The upper end of the mixing pile 2 of first mixing pile 1 and second is provided with pressing plate 6, upper end and the pressing plate of the anchor cable 3
6 are fixedly connected.Anchor cable 3 can improve the stretching resistance of the first mixing pile 1 in the presence of by pulling force and fixed on the first mixing pile 1
With the ability of moment of flexure.
The upper end of the anchor cable 3 is provided with external screw thread, accordingly, through hole, the upper end of the anchor cable 3 is provided with the pressing plate 6
It is fixedly connected through through hole and by nut 7 with pressing plate 6.Anchor cable 3 is fastened on pressing plate 6 by nut 7, anchor cable 3 by
On pulling force effect, improve the ability of the stretching resistance of the first mixing pile 1 and moment of flexure.
The present embodiment also provides a kind of construction method of the stirring pile pit enclosure of prestress anchorage cable 3, as shown in Figures 1 to 5,
Comprise the following steps：
1) the first mixing pile 1 and the second mixing pile 2 are set up in parallel in foundation ditch surrounding, form multiple rows of stirring pilework；
2) toward casting concrete 52 in the first mixing pile 1, before concrete 52 does not solidify, anchor cable 3 is inserted into first and stirred
Mix in stake 1；And before mixing pile is not fully hardened, the upper end of anchor cable 3 through pressing plate 6 and is applied into pulling force, then will with nut
Together with anchor cable 3 is tightened to pressing plate 6；
2) toward casting concrete 52 in the second mixing pile 2, before concrete 52 does not solidify, inserted in the second mixing pile 2
Steel pipe 4, the upper end of steel pipe 4 are not passed through pressing plate 6；
3) step 2) and 3) is repeated in, until will be all populated respectively in all mixing piles 2 of first mixing pile 1 and second
Enter anchor cable 3 and steel pipe 4；
4) lattice body 51 is set, and inserted in lattice body 51 into reinforcing bar and casting concrete 52, by the first mixing pile 1 and second
Mixing pile 2 is fixedly attached together.
Before construction, the anchor cable 3 and the quantity of steel pipe 4 that are needed according to the circumference calculating of foundation ditch.The construction method is by first
The mixing pile 2 of mixing pile 1 and second is fixedly attached together by connector 5, and by constantly stirring the first mixing pile 1 and second
The intensity for being inserted respectively in stake 2 and into anchor cable 3 and steel pipe 4, improving mixing pile is mixed, reduces the deformation of construction, crack is reduced, carries
The high overall mechanical properties of mixing pile, and realize that the sealing of the first mixing pile 1 and the second mixing pile 2 connects by connector 5
Connect, preferably prevent external water from penetrating into foundation ditch, there is the spy that construction technology is relatively easy, structural strength is high and reliable and stable
Point.
Above disclosed is only a kind of the utility model preferred embodiment, can not limit this practicality with this certainly
New interest field, therefore the equivalent variations made according to the utility model claims, still belong to what the utility model was covered
Scope.
Claims (5)
- A kind of 1. prestress anchorage cable stirring pile pit enclosure, it is characterised in that：Including the first mixing pile, the second mixing pile, anchor cable, Steel pipe and connector, the bottom of first mixing pile and the second mixing pile are inserted in foundation ditch, and along foundation ditch surrounding simultaneously Row are set, and form multiple rows of stirring pilework；Wherein, the first mixing pile is in contact with foundation ditch surrounding soil, the second mixing pile distance The distance of foundation ditch is less than distance of first mixing pile apart from foundation ditch, and first mixing pile is consolidated by connector and the second mixing pile Surely connect together；Inserted in first mixing pile and be fixed with the anchor cable, inserted in second mixing pile and fixed There is the steel pipe；Concrete has been poured in first mixing pile and the second mixing pile.
- A kind of 2. prestress anchorage cable stirring pile pit enclosure according to claim 1, it is characterised in that：The bottom of the anchor cable End is provided with boss, and the floor space of the boss is more than the cross-sectional area of anchor cable.
- A kind of 3. prestress anchorage cable stirring pile pit enclosure according to claim 1, it is characterised in that：The connector bag Lattice body, reinforcing bar and concrete are included, the both ends of the lattice body are fixedly connected with the first mixing pile and the second mixing pile respectively, the lattice Reinforcing bar is provided with vivo and has been poured concrete and has been fixedly attached together the first mixing pile and the second mixing pile.
- A kind of 4. prestress anchorage cable stirring pile pit enclosure according to claim 1 or 3, it is characterised in that：Described first The upper end of mixing pile and the second mixing pile is provided with pressing plate, and the upper end of the anchor cable is fixedly connected with the pressing plate.
- A kind of 5. prestress anchorage cable stirring pile pit enclosure according to claim 4, it is characterised in that：The anchor cable it is upper End is provided with external screw thread, accordingly, through hole is provided with the pressing plate, the upper end of the anchor cable through through hole and passes through nut and pressing plate It is fixedly connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720444651.9U CN206941600U (en) | 2017-04-25 | 2017-04-25 | A kind of prestress anchorage cable stirring pile pit enclosure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720444651.9U CN206941600U (en) | 2017-04-25 | 2017-04-25 | A kind of prestress anchorage cable stirring pile pit enclosure |
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| Publication Number | Publication Date |
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| CN206941600U true CN206941600U (en) | 2018-01-30 |
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| CN201720444651.9U Active CN206941600U (en) | 2017-04-25 | 2017-04-25 | A kind of prestress anchorage cable stirring pile pit enclosure |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107034895A (en) * | 2017-04-25 | 2017-08-11 | 广东工业大学 | A kind of prestress anchorage cable stirring pile pit enclosure and its construction method |
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2017
- 2017-04-25 CN CN201720444651.9U patent/CN206941600U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107034895A (en) * | 2017-04-25 | 2017-08-11 | 广东工业大学 | A kind of prestress anchorage cable stirring pile pit enclosure and its construction method |
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