CN208379625U - A kind of combination anchor basis - Google Patents
A kind of combination anchor basis Download PDFInfo
- Publication number
- CN208379625U CN208379625U CN201820733947.7U CN201820733947U CN208379625U CN 208379625 U CN208379625 U CN 208379625U CN 201820733947 U CN201820733947 U CN 201820733947U CN 208379625 U CN208379625 U CN 208379625U
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- Prior art keywords
- cushion cap
- basis
- support table
- pile foundation
- foundation support
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Abstract
The utility model discloses a kind of combination anchor bases, including the pile foundation support table basis arranged side by side of prestress anchoraging system and at least two, each pile foundation support table basis includes the cushion cap on top and the substrate of lower part, prestress anchoraging system includes several passes through one of or the prestress anchorage cable on multiple pile foundation support tables basis, several anchorages, the other end of each prestress anchorage cable are anchored in the rock mass at pile foundation support table basis rear.This combination anchor basis, using pile foundation support table basis, the combining form of prestress anchoraging system, prestress anchoraging system can enhance the stability of pile foundation support table basis and anchorage, the floor height of the cushion cap on each pile foundation support table basis can be arranged to not contour according to actual landform, adaptation to local conditions, reduces explosion and the hand excavation of large area, to reduce the investment of personnel, equipment and material, and short construction period and security risk are low, this utility model is used for anchorage technical field.
Description
Technical field
The utility model relates to anchorage technical fields, more particularly to a kind of combination anchor basis.
Background technique
In recent years, China various regions are just in Large scale construction traffic network, and bridge is as a kind of common leap rivers lake
The structure type in sea also can be through frequently with arch bridge is larger as span ability, durability is good and conserves on every traffic network
Few bridge with maintenance cost, it is more and more frequent in each road network to use.The arch rib of domestic mountain area River Valley Region lifts
Cable crane erection construction generally is taken, the landform of arch bridge two sides is relatively simple.It is constructed using conventional cable crane, cable crane
The Anchor Foundation of machine mostly uses the one of which such as soil layer anchor formula (dead-weight), pile foundation support table anchor, Prestressed Rock killagh.
But in plateau High aititude mountain valley area, since weather day and night temperature is big, massif is precipitous, and the weathering of massif surface is tight
Weight, rock crushing, the conditions such as cranny development are both needed to put into using any one in three kinds of conventional cable crane Anchor Foundations
A large amount of manpower, equipment and material need to carry out explosion and the hand excavation of large area, long construction period, security risk height.
Utility model content
It is put into the purpose of this utility model is to provide a kind of reduction personnel, equipment and material and construction risk is low and applies
The work period it is short combination anchor basis.
Technical solution adopted in the utility model is:
A kind of combination anchor basis, including the pile foundation support table basis arranged side by side of prestress anchoraging system and at least two, respectively
Pile foundation support table basis includes the cushion cap on top and the substrate of lower part, and prestress anchoraging system includes several passes through one of or more
The prestress anchorage cable on a pile foundation support table basis, several sides for being installed on pile foundation support table basis and with each prestress anchorage cable one
The anchorage being fixedly connected is held, the other end of each prestress anchorage cable is anchored in the rock mass at pile foundation support table basis rear.
It is further used as the improvement of technical solutions of the utility model, substrate includes several soldier piles being parallel to each other.
It is further used as the improvement of technical solutions of the utility model, the quantity on pile foundation support table basis is two, respectively left
Side cushion cap foundation and right side cushion cap foundation.
It is further used as the improvement of technical solutions of the utility model, the cushion cap of left side cushion cap foundation and right side cushion cap foundation
Floor height is unequal, and left side cushion cap foundation is concordant with the upper surface of right side cushion cap foundation.
It is further used as the improvement of technical solutions of the utility model, the length of left side cushion cap foundation and right side cushion cap foundation is not
It is equal.
It is further used as the improvement of technical solutions of the utility model, the top center on pile foundation support table basis is equipped with groove, recessed
The side of slot is equipped with protrusion, and two raised sides and top surface are obliquely installed.
It is further used as the improvement of technical solutions of the utility model, further includes the counter-force hook that can be slided on groove, peace
Loaded on the basis of pile foundation support table several hoist engines, partially be anchored in pile foundation support table basis in several anchoring pieces.
The utility model has the beneficial effects that this combination anchor is basic, using pile foundation support table basis, prestress anchoraging system
Combining form, prestress anchoraging system can enhance the stability of pile foundation support table basis and anchorage, enhance anchorage safety stock, respectively
The floor height of the cushion cap on pile foundation support table basis can be arranged to not contour according to actual landform, i.e., the bottom surface of each cushion cap is not same
On horizontal plane, adaptation to local conditions reduces explosion and the hand excavation of large area, thus reduce the investment of personnel, equipment and material, and
Short construction period and security risk are low.
Detailed description of the invention
The utility model is described in further detail with reference to the accompanying drawing:
Fig. 1 is the overall structure diagram of the utility model embodiment;
Fig. 2 is the planar structure schematic diagram of cushion cap foundation and prestress anchorage cable on the left of the utility model embodiment;
Fig. 3 is the planar structure schematic diagram of cushion cap foundation on the right side of the utility model embodiment.
Specific embodiment
Referring to Fig.1~Fig. 3, the utility model are a kind of combination anchor basis, including prestress anchoraging system 3 and at least
Two pile foundation support table bases arranged side by side, each pile foundation support table basis includes the cushion cap 11 on top and the substrate 12 of lower part, prestressed anchor
Gu system 3 includes several passes through one of or the prestress anchorage cable 31 on multiple pile foundation support tables basis, several pile foundations that are installed on are held
The side of stylobate plinth and the anchorage 32 being fixedly connected with one end of each prestress anchorage cable 31, the other end of each prestress anchorage cable 31
It is anchored in the rock mass 4 at pile foundation support table basis rear.
This combination anchor basis, using pile foundation support table basis, the combining form of prestress anchoraging system 3, prestressed anchor
Gu system 3 can enhance the stability of pile foundation support table basis and anchorage, enhance anchorage safety stock.Cushion cap 11 is more than ground, base
Bottom 12 is embedded in underground.In plateau High aititude mountain valley area, with a varied topography precipitous, adaptation to local conditions, the cushion cap on each pile foundation support table basis
11 floor height is arranged to not contour according to actual landform, i.e., the bottom surface of each cushion cap 11 is not in same level, such as Fig. 1 institute
Show, reduce explosion and the hand excavation of large area, to reduce the investment of personnel, equipment and material, and short construction period and
Security risk is low.
Prestress anchoraging system 3 takes full advantage of the preferable feature of rock mass 4 at pile foundation support table basis rear, prestress anchorage cable
31 one end pass through pile foundation support table basis and are anchored in rock mass 4, enhance the stability on pile foundation support table basis and anchorage.Specifically,
Prestress anchorage cable 31 has 4 × 13=52 root, passes through cushion cap 11.Prestress anchorage cable 31 is twisted using the high-strength underrelaxation steel of Φ 15.24
Line, every prestress anchorage cable 31 pass through the pre- tensioning 115t of jack.Anchorage 32 can keep the pulling force of prestress anchorage cable 31.
As the utility model preferred embodiment, substrate 12 includes several soldier piles 121 being parallel to each other, each soldier piles
121 embedment undergrounds.
As the utility model preferred embodiment, the quantity on pile foundation support table basis is two, respectively left side cushion cap
Basis 1 and right side cushion cap foundation 2.
As the utility model preferred embodiment, the bottom of the cushion cap 11 of left side cushion cap foundation 1 and right side cushion cap foundation 2
Face height is unequal, and left side cushion cap foundation 1 is concordant with the upper surface of right side cushion cap foundation 2.As shown in Figure 1, left side cushion cap foundation 1
7m, explosion and hand excavation so as to avoid large area are reached with the difference in height of the cushion cap 11 of right side cushion cap foundation 2.
As the utility model preferred embodiment, the length of left side cushion cap foundation 1 and right side cushion cap foundation 2 not phase
Deng.
As shown in Figure 1, the cushion cap 11 of left side cushion cap foundation 1 is 20m long, and thick 12.844m, the cushion cap 11 of right side cushion cap foundation 2
Long 15m, thick 5.844m, overall length 35m, wide 8m.The substrate 12 of left side cushion cap foundation 1 uses 8 soldier piles 121, right side cushion cap base
The substrate 12 of plinth 2 uses 6 soldier piles 121, and the cross sectional dimensions of soldier piles 121 is 3m × 2m.Each soldier piles 121 use manually digging hole
Stake.
As the utility model preferred embodiment, the top center on pile foundation support table basis is equipped with groove 51, groove 51
Side be equipped with protrusion 52, protrusion 52 two sides and top surface be obliquely installed.
As the utility model preferred embodiment, further includes the counter-force hook 6 that can be slided on groove 51, is installed on
Several hoist engines 7 on the basis of pile foundation support table, several anchoring pieces 8 being partially anchored in pile foundation support table basis.
Counter-force hook 6 is connect with the track cable in cable crane construction, the hauling rope in hoist engine 7 and cable crane construction
Or hoisting rope connection, anchoring piece 8 are connect with the wind cable in cable crane construction.Wherein, counter-force hook 6 and track cable are born
Power is maximum, and the protrusion 52 on pile foundation support table basis top and two sides of protrusion 52 and top surface inclination setting can enhance pile foundation
The intensity of cushion cap foundation enhances anchorage stability and reliability, and counter-force hook 6 can slide on groove 51, thus adjustable anti-
The position of power hook 6.Use this combination anchor basis, it is ensured that cable crane construction in track cable, hauling rope, hoisting rope and
The anchorage stability and reliability of the cables such as wind cable.
The construction step on this combination anchor basis are as follows: carry out massif Blasting Excavation, smooth location is set up along hillside
Steel pipe support, the drilling construction in prestress anchorage cable hole is synchronous with vertical artificial digging pile excavation construction to carry out, vertical manually digging hole
Pile cages binding construction, vertical manually digging hole concrete pouring construction, prestress anchorage cable 31 are reeved, prestress anchorage cable hole note
Slurry, 11 reinforcement construction of cushion cap, 11 shuttering of cushion cap, 11 concrete pouring construction of cushion cap, form removal, concrete curing are answered in advance
31 prestressed stretch-draw of power anchor cable, mud jacking fill prestress anchorage cable 31.Wherein, concreting use is pumped by concrete square
Formula, pumping height difference is up to 120 meters, and pump tube length is up to 500 meters, on the way without using secondary pumping.
Certainly, the invention is not limited to above embodiment, and those skilled in the art are without prejudice to originally
Equivalent modifications or replacement can be also made under the premise of utility model spirit, these equivalent variation or replacement are all contained in the application
In claim limited range.
Claims (7)
1. a kind of combination anchor basis, it is characterised in that: including prestress anchoraging system (3) and at least two pile foundations arranged side by side
Cushion cap foundation, each pile foundation support table basis include the cushion cap (11) on top and the substrate (12) of lower part, the prestress anchoraging
System (3) includes several passing through one of or the prestress anchorage cable (31) on multiple pile foundation support table bases, several being installed on
The side on the pile foundation support table basis and the anchorage (32) being fixedly connected with one end of each prestress anchorage cable (31), each institute
The other end for stating prestress anchorage cable (31) is anchored in the rock mass (4) at pile foundation support table basis rear.
2. combination anchor basis according to claim 1, it is characterised in that: the substrate (12) includes several mutually flat
Capable soldier piles (121).
3. combination anchor basis according to claim 2, it is characterised in that: the quantity on the pile foundation support table basis is two
It is a, respectively left side cushion cap foundation (1) and right side cushion cap foundation (2).
4. combination anchor basis according to claim 3, it is characterised in that: the left side cushion cap foundation (1) and right side
The floor height of the cushion cap (11) of cushion cap foundation (2) is unequal, the left side cushion cap foundation (1) and right side cushion cap foundation (2)
Upper surface is concordant.
5. combination anchor basis according to claim 4, it is characterised in that: the left side cushion cap foundation (1) and right side
The length of cushion cap foundation (2) is unequal.
6. combination anchor basis according to claim 1, it is characterised in that: the top center on the pile foundation support table basis
Equipped with groove (51), the side of the groove (51) is equipped with raised (52), and two sides and top surface of the protrusion (52) are inclined
Tiltedly setting.
7. combination anchor basis according to claim 6, it is characterised in that: further include that can be slided on the groove (51)
Dynamic counter-force hook (6), several hoist engines (7) being installed on the basis of the pile foundation support table are partially anchored in the pile foundation and hold
Several anchoring pieces (8) in stylobate plinth.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201820733947.7U CN208379625U (en) | 2018-05-16 | 2018-05-16 | A kind of combination anchor basis |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201820733947.7U CN208379625U (en) | 2018-05-16 | 2018-05-16 | A kind of combination anchor basis |
Publications (1)
Publication Number | Publication Date |
---|---|
CN208379625U true CN208379625U (en) | 2019-01-15 |
Family
ID=64970984
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN201820733947.7U Active CN208379625U (en) | 2018-05-16 | 2018-05-16 | A kind of combination anchor basis |
Country Status (1)
Country | Link |
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CN (1) | CN208379625U (en) |
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2018
- 2018-05-16 CN CN201820733947.7U patent/CN208379625U/en active Active
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