CN104818723B - Slope retaining friction pile - Google Patents
Slope retaining friction pile Download PDFInfo
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- CN104818723B CN104818723B CN201510227582.1A CN201510227582A CN104818723B CN 104818723 B CN104818723 B CN 104818723B CN 201510227582 A CN201510227582 A CN 201510227582A CN 104818723 B CN104818723 B CN 104818723B
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- anchor pole
- friction pile
- slope
- damping
- anchor cable
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Abstract
The invention discloses a kind of slope retaining friction pile, including anchor pole, be enclosed within anchor pole and for the buried trocar sheath in side slope and coordinate with anchor pole threaded upper ends and press closer outer sleeve upper face screw part, anchor pole lower end arranges the swollen head of bottom tapering of oriented end expanding, and the pipeline section that trocar sheath is corresponding with the swollen head of bottom tapering arranges at least three longitudinal cut and forms lower bulge；It is placed on trocar sheath in anchor pole and forms the anti-slide pile structure of entirety, there is stronger bending resistance and shearing resistance, thus improving skid resistance, additionally, the swollen head of bottom tapering of anchor pole end and lower bulge form self-locking structure, not only quick and easy for installation, and have goodish fixed effect after installing, it is not likely to produce axial movement, thus stronger side slope can be born expand the axial tension produced or the axial thrust load of slip mass landslide dislocation generation.
Description
Technical field
The present invention relates to slope treatment field, particularly to a kind of slope retaining friction pile.
Background technology
The side slope formed in engineering construction, when running into rainy day or sharp pounding, the generation of the geological disasters such as landslide, avalanche, expansion or peeling often occurs, for preventing the generation of above-mentioned geological disaster, it is accomplished by carrying out slope treatment, wherein, the combination of friction pile or prestressed cable or friction pile and prestressed cable, belonging to is conventional slope treatment supporting construction.Side slope from outer to inner can be divided into slip mass and sliding bed by geology composition, and wherein slip mass is also called unstable region, relative, sliding bed is referred to as stable region, friction pile or prestressed cable are by through slip mass deeply sliding bed, for a sliding force for gear slip mass, playing the effect of stable side slope.
In prior art, the supporting construction of friction pile and prestressing tendon, though having good bending resistance shear resistance, but inconvenience is installed, technique relative complex, anchoring requires over concrete and is fixed, not only relatively costly, labor intensity is high, and after installing, self adaptation effect is bad, and the expansion especially side slope produced is limited.
Accordingly, it would be desirable to existing slope retaining friction pile is improved, while ensureing that it has good bending resistance shear resistance, there is good anchor force, side slope is expanded and produces good pulling force fixed effect, and make it easy for installation, time and labour saving, saves material.
Summary of the invention
In view of this, the present invention provides a kind of slope retaining friction pile, while ensureing that it has good bending resistance shear resistance, has good anchor force, side slope is expanded and produces good pulling force fixed effect, and make it easy for installation, and material is saved in time and labour saving.
The slope retaining friction pile of the present invention, including anchor pole, be enclosed within anchor pole and for the buried trocar sheath in side slope and coordinate with anchor pole threaded upper ends and press closer outer sleeve upper face screw part, anchor pole lower end arranges the swollen head of bottom tapering of oriented end expanding, and the pipeline section that trocar sheath is corresponding with the swollen head of bottom tapering arranges at least three longitudinal cut and forms lower bulge.
Further, trocar sheath is split-type structural, and it includes the lower tube body for being embedded in the sliding bed of side slope and for being embedded in slope and land slide body the upper tube body stretched out from side slope surface, and lower bulge is formed at lower tube body bottom.
Further, being provided with the swollen head of middle part tapering of upwards end expanding in the middle part of anchor pole, the pipeline section that upper tube body is corresponding with the swollen head of middle part tapering is provided with middle bulge.
Further, swollen with bottom tapering of swollen with middle part tapering bulge corresponding, lower of middle bulge is corresponding is respectively arranged with the internal taper face matched.
Further, slope retaining friction pile also includes anchor cable installation assembly, anchor cable installation assembly includes anchor cable mounting head and for installing anchor cable mounting head the damping shock absorption assembly for damping, damping shock absorption assembly includes damper rod and damping piston, damping piston is placed in the chamber that described anchor pole epimere inner hollow is formed and chamber is divided into upper chamber and lower chambers, damping fluid is filled in chamber, piston is provided with damping hole, damper rod one end and damping piston circumference are fixed, and the other end stretches out described upper chamber.
Further, anchor cable mounting head includes mounting head body and the screw rod being connected with mounting head body, and described screw rod stretches out described upper chamber one end in the way of can moving up and down vertically and is connected setting with damper rod.
Further, mounting head body includes bag and fixes the spheroid being connected and being enclosed in bag setting with screw rod, and bag is provided with anchor cable engaging lug.
Further, damping hole is the helical duct connecting upper and lower chamber.
Beneficial effects of the present invention: the slope retaining friction pile of the present invention, it is placed on trocar sheath in anchor pole and forms the anti-slide pile structure of entirety, there is stronger bending resistance and shearing resistance, thus improving skid resistance, additionally, the swollen head of bottom tapering of anchor pole end forms self-locking structure with lower bulge, not only quick and easy for installation, and after installing, there is goodish fixed effect, it is not likely to produce axial movement, thus stronger side slope can be born expand the axial tension produced or the axial thrust load of slip mass landslide dislocation generation；Simultaneously, screwing part makes anchor pole be pulled outwardly in process, stand tightly against outer sleeve upper face can apply axially to the pressure in side slope hole by external sleeve pipe simultaneously, there is good locating effect, and, thicker trocar sheath is as the pile body of friction pile, and fixed by lower expansion, compared to the supporting construction of prestressing tendon, available a small amount of concrete is fixed, even without concrete, concrete amount can be greatly saved.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the invention will be further described.
Fig. 1 is present configuration schematic diagram；
The slope retaining friction pile that Fig. 2 is the present invention uses view with anchor cable structure one；
Partial schematic diagram is looked on the right side that Fig. 3 is Fig. 2；
Fig. 4 is the structural representation of the mounting head body in the present invention；
The slope retaining friction pile that Fig. 5 is the present invention uses view with anchor cable structure another kind.
Detailed description of the invention
Fig. 1 is present configuration schematic diagram, the slope retaining friction pile that Fig. 2 is the present invention uses view with anchor cable structure one, partial schematic diagram is looked on the right side that Fig. 3 is Fig. 2, Fig. 4 is the structural representation of the mounting head body in the present invention, the slope retaining friction pile that Fig. 5 is the present invention uses view with anchor cable structure another kind, as shown in the figure: the slope retaining friction pile of the present embodiment, including anchor pole 1, be enclosed within anchor pole 1 and for the buried trocar sheath 2 in side slope and coordinate with anchor pole 1 threaded upper ends and press closer trocar sheath 2 upper surface screw part 3, anchor pole 1 lower end arranges the swollen head 1-1 of bottom tapering of oriented end expanding, the pipeline section that trocar sheath 2 is corresponding with bottom tapering swollen head 1-1 arranges at least three longitudinal cut and forms lower bulge 2-1；The present invention is in use, first friction pile overall structure is assembled outside, then punch at side slope place, and punching extends to the sliding bed of side slope, then friction pile is put into from punching place, it is desirable to will be placed in bottom trocar sheath 2 in sliding bed, then regulate and screw part 3, anchor pole 1 is made to lift up, making the lower bulge 2-1 bottom trocar sheath 2 outer swollen, thus being fixed on sliding bed, present configuration is simple, fast operating can be reinforced by side slope, substantially increasing work efficiency, wherein, trocar sheath 2 and anchor pole 1 all can use steel material to make, it addition, screw part 3 for expansion nut.
In the present embodiment, trocar sheath 2 is split-type structural, and it includes the lower tube body 2-2 for being embedded in the sliding bed 4 of side slope and for being embedded in slope and land slide body 5 the upper tube body 2-3 stretched out from side slope surface, and lower bulge 2-1 is formed at lower tube body 2-2 bottom；It addition, the middle part tapering swollen head 1-2, the upper tube body 2-3 that are provided with upwards end expanding in the middle part of anchor pole 1 pipeline section corresponding with middle part tapering swollen head 1-2 is provided with middle bulge 2-4；Adopt Split type structure, upper tube body 2-3 is made to coordinate fixing (concreting can be passed through) with the slip mass 5 of side slope, lower tube body 2-2 is made to coordinate with the sliding bed 4 of side slope fixing, when the slip mass 5 of side slope produces to expand pulling force or dislocation axial thrust load, can pass through coordinating of middle part tapering swollen head 1-2 and middle bulge 2-4, coordinate on basis at lower bulge 2-1 with the swollen head 1-1 of bottom tapering, resist axial force further, thus reaching the effect on antiskid slope；Wherein, Split type structure can make the movement of the slip mass 5 of upper tube body 2-3 and side slope adapt, flexibility and reliability.
In the present embodiment, middle bulge 2-4 is corresponding with bottom tapering swollen head 1-1 with middle part tapering swollen head 1-2 bulge 2-1 corresponding, lower is respectively arranged with the internal taper face matched；Can making the expansion stable and uniform of upper tube body 2-3 and lower tube body 2-2, stress is good, and avoids local pressure sudden change occur, and wherein, the major part in the internal taper face of lower bulge and middle bulge is towards on the contrary.
In the present embodiment, slope retaining friction pile also includes anchor cable installation assembly, anchor cable installation assembly includes anchor cable mounting head 6 and for installing anchor cable mounting head 6 the damping shock absorption assembly for damping, damping shock absorption assembly includes damper rod 7 and damping piston 8, damping piston 8 is placed in the chamber that described anchor pole 1 epimere inner hollow is formed and chamber is divided into upper chamber 9 and lower chambers 10, damping fluid is filled in chamber, piston 8 is provided with damping hole, damper rod 7 one end and damping piston 8 circumference are fixed, and the other end stretches out described upper chamber；The friction pile of the present invention uses in combinations with anchor cable 11 (or prestressing tendon), anchor cable or prestressing tendon are connected with the upper end of friction pile, when running into shock loading, in the damping hole of damping fluid self-damping piston 8, circulation produces damping force, thus absorbing the ability that external force produces, thus strengthening anchor cable or the shock resistance of prestressing tendon, energy dissipating effect, reduce strong vibration or falling rocks to anchor cable or prestressing tendon, or even the injury that friction pile causes.
In the present embodiment, anchor cable mounting head 6 includes mounting head body 6-1 and the screw rod 6-2 being connected with mounting head body 6-1, described screw rod 6-2 and stretches out described upper chamber one end in the way of can moving up and down vertically with damper rod 7 and be connected setting；Screw rod 6-2 and damper rod 7 threaded engagement, by moving up and down of adjusting screw rod 6-2, can make the rate of tension of the anchor cable being arranged in anchor cable mounting head 6 reach to regulate.
In the present embodiment, mounting head body 6-1 includes bag 6-1-1 and fixes the spheroid 6-1-2 being connected and being enclosed in bag 6-1-1 setting with screw rod 6-2, and bag 6-1-1 is provided with anchor cable engaging lug 6-1-3；When can make threaded adjusting screw rod 6-2, the anchor cable (or prestressing tendon) being arranged on anchor cable engaging lug is avoided to produce to rotate, avoid being wound around, wherein, the anchor cable engaging lug arranged on bag 6-1-1 arranges the number of specific requirement according to the installation site of friction pile, the friction pile that on it, corresponding four sides is adjacent can arrange multiple anchor cable engaging lug, and anchor cable is fixed on anchor cable engaging lug.
In the present embodiment, damping hole is the helical duct connecting upper and lower chamber.
Additionally, the friction pile of the present invention can also be used in side slope protective screen system, friction pile is anchored in ground or side slope, and be connected with active protecting net or passive protection net by rope, not only can play firm fixing effect, and the impact of protection network can be carried out damping by rubble etc., there is good applicable effect；Simultaneously, when this friction pile uses in conjunction with prestressing tendon, anchor cable or prestressing tendon can be passed through tension between adjacent friction pile is connected (as shown in Figures 2 and 3), or, friction pile can be vertically arranged, the bottom of same friction pile trocar sheath is placed in sliding bed ground, make prestressing tendon or anchor cable be connected with anchor cable union joint and prestressing tendon or anchor cable and anchor pole acutangulate the mode of angle and extend up to anchor into friction pile rear portion in the sliding bed ground of side slope (as shown in Figure 5), make prestressing tendon or anchor cable that the top of friction pile is transmitted certain prestressing force, reduce friction pile maximal bending moment, reduce friction pile building-in depth, control the effects such as slide resistant pile level.
What finally illustrate is, above example is only in order to illustrate technical scheme and unrestricted, although the present invention being described in detail with reference to preferred embodiment, it will be understood by those within the art that, technical scheme can be modified or equivalent replacement, without deviating from objective and the scope of technical solution of the present invention, it all should be encompassed in the middle of scope of the presently claimed invention.
Claims (7)
1. a slope retaining friction pile, it is characterized in that: include anchor pole, be enclosed within anchor pole and for the buried trocar sheath in side slope and coordinate with described anchor pole threaded upper ends and press closer outer sleeve upper face screw part, described anchor pole lower end arranges the swollen head of bottom tapering of oriented end expanding, and the pipeline section that described trocar sheath is corresponding with the swollen head of bottom tapering arranges at least three longitudinal cut and forms lower bulge；
Described slope retaining friction pile also includes anchor cable installation assembly, described anchor cable installation assembly includes anchor cable mounting head and for installing anchor cable mounting head the damping shock absorption assembly for damping, described damping shock absorption assembly includes damper rod and damping piston, described damping piston is placed in the chamber that described anchor pole epimere inner hollow is formed and chamber is divided into upper chamber and lower chambers, damping fluid is filled in described chamber, described damping piston is provided with damping hole, described damper rod one end and damping piston circumference are fixed, and the other end stretches out described upper chamber.
2. slope retaining friction pile according to claim 1, it is characterized in that: described trocar sheath is split-type structural, it includes the lower tube body for being embedded in the sliding bed of side slope and for being embedded in slope and land slide body the upper tube body stretched out from side slope surface, and described lower bulge is formed at described lower tube body bottom.
3. slope retaining friction pile according to claim 2, it is characterised in that: being provided with the swollen head of middle part tapering of upwards end expanding in the middle part of described anchor pole, the pipeline section that described upper tube body is corresponding with the swollen head of middle part tapering is provided with middle bulge.
4. slope retaining friction pile according to claim 3, it is characterised in that: described middle bulge is swollen with middle part tapering, and swollen with bottom tapering of a lower bulge corresponding, described is corresponding is respectively arranged with the internal taper face matched.
5. slope retaining friction pile according to claim 4, it is characterized in that: anchor cable mounting head includes mounting head body and the screw rod being connected with mounting head body, described screw rod stretches out described upper chamber one end in the way of can moving up and down vertically and is connected setting with damper rod.
6. slope retaining friction pile according to claim 5, it is characterised in that: described mounting head body includes bag and fixes the spheroid being connected and being enclosed in the setting of described bag with described screw rod, and described bag is provided with anchor cable engaging lug.
7. slope retaining friction pile according to claim 6, it is characterised in that: described damping hole is the helical duct connecting upper and lower chamber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510227582.1A CN104818723B (en) | 2015-05-07 | 2015-05-07 | Slope retaining friction pile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510227582.1A CN104818723B (en) | 2015-05-07 | 2015-05-07 | Slope retaining friction pile |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104818723A CN104818723A (en) | 2015-08-05 |
| CN104818723B true CN104818723B (en) | 2016-07-27 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510227582.1A Expired - Fee Related CN104818723B (en) | 2015-05-07 | 2015-05-07 | Slope retaining friction pile |
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| Country | Link |
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| CN (1) | CN104818723B (en) |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107130616B (en) * | 2017-06-13 | 2022-12-13 | 重庆科技学院 | Adjustable damping anchoring assembly for slope protective net |
| CN107218072B (en) * | 2017-07-10 | 2019-03-12 | 中国矿业大学 | A kind of extrusion friction type constant-resistance allows pressure large deformation anchor rod |
| CN108301421B (en) * | 2017-12-13 | 2019-11-08 | 苍南县交通建设工程有限公司 | Slope retaining structure |
| CN108643200A (en) * | 2018-03-28 | 2018-10-12 | 衢州学院 | Protective device for unsaturation red clay side slope |
| WO2019210968A1 (en) | 2018-05-04 | 2019-11-07 | B.T. Innovation Gmbh | Transverse force anchor |
| CN110318406B (en) * | 2019-06-14 | 2021-06-08 | 台州云界环境科技有限公司 | Anti-slide pile for slope treatment |
| CN111455980B (en) * | 2020-04-20 | 2022-02-01 | 浙江大学城市学院 | Prefabricated anti-floating pile structure suitable for underground engineering and construction method |
| CN112482404B (en) * | 2020-11-16 | 2022-04-12 | 王杰 | A anti-skidding pile structure for side slope is strutted |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2208100Y (en) * | 1994-11-19 | 1995-09-20 | 李永和 | Expanded plastic-steel pin |
| CN2238911Y (en) * | 1995-12-12 | 1996-10-30 | 李永和 | Whole-long anchor fixed wedge expansion plastic-steel whole-long archor pin |
| CN201411689Y (en) * | 2009-05-08 | 2010-02-24 | 中冶实久建设有限公司 | Expansion type anchoring pile |
| CN102002957A (en) * | 2010-12-16 | 2011-04-06 | 广东交通职业技术学院 | Slope retaining structure |
| CN103103989A (en) * | 2011-11-12 | 2013-05-15 | 杨学祥 | End-expansive recoverable anchor rod |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2011153505A (en) * | 2010-01-25 | 2011-08-11 | Takayuki Abe | Slope frame fixing method for promoting ground anchor effect by setting expansion and contraction zone on slope frame bottom and adjusting sheath length |
-
2015
- 2015-05-07 CN CN201510227582.1A patent/CN104818723B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2208100Y (en) * | 1994-11-19 | 1995-09-20 | 李永和 | Expanded plastic-steel pin |
| CN2238911Y (en) * | 1995-12-12 | 1996-10-30 | 李永和 | Whole-long anchor fixed wedge expansion plastic-steel whole-long archor pin |
| CN201411689Y (en) * | 2009-05-08 | 2010-02-24 | 中冶实久建设有限公司 | Expansion type anchoring pile |
| CN102002957A (en) * | 2010-12-16 | 2011-04-06 | 广东交通职业技术学院 | Slope retaining structure |
| CN103103989A (en) * | 2011-11-12 | 2013-05-15 | 杨学祥 | End-expansive recoverable anchor rod |
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| CN104818723A (en) | 2015-08-05 |
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