CN106193029B - Slope retaining anchor pile - Google Patents

Slope retaining anchor pile Download PDF

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Publication number
CN106193029B
CN106193029B CN201610511996.1A CN201610511996A CN106193029B CN 106193029 B CN106193029 B CN 106193029B CN 201610511996 A CN201610511996 A CN 201610511996A CN 106193029 B CN106193029 B CN 106193029B
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CN
China
Prior art keywords
retaining
built
bar
jacking block
core bar
Prior art date
Application number
CN201610511996.1A
Other languages
Chinese (zh)
Other versions
CN106193029A (en
Inventor
夏毓超
周小平
杨既福
夏江
陈五
陈五一
Original Assignee
重庆交通大学
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Application filed by 重庆交通大学 filed Critical 重庆交通大学
Priority to CN201610511996.1A priority Critical patent/CN106193029B/en
Publication of CN106193029A publication Critical patent/CN106193029A/en
Application granted granted Critical
Publication of CN106193029B publication Critical patent/CN106193029B/en

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Classifications

    • EFIXED CONSTRUCTIONS
    • E02HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02DFOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D5/00Bulkheads, piles, or other structural elements specially adapted to foundation engineering
    • E02D5/74Means for anchoring structural elements or bulkheads
    • EFIXED CONSTRUCTIONS
    • E02HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02DFOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D17/00Excavations; Bordering of excavations; Making embankments
    • E02D17/20Securing of slopes or inclines
    • E02D17/207Securing of slopes or inclines with means incorporating sheet piles or piles
    • EFIXED CONSTRUCTIONS
    • E02HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02DFOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D5/00Bulkheads, piles, or other structural elements specially adapted to foundation engineering
    • E02D5/74Means for anchoring structural elements or bulkheads
    • E02D5/80Ground anchors
    • E02D5/803Ground anchors with pivotable anchoring members
    • EFIXED CONSTRUCTIONS
    • E02HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02DFOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D2200/00Geometrical or physical properties
    • E02D2200/14Geometrical or physical properties resilient or elastic
    • E02D2200/146Springs

Abstract

The invention discloses a kind of slope retaining anchor pile, including anchoring pipe, be set to the built-in core bar in anchoring pipe and being axially movable and be arranged upper in anchoring pipe and coordinate with built-in core bar and carry out at least one set of retaining component of retaining;The axial movement of built-in core bar pushes jacking block moving radially along anchoring pipe, jacking block can push the free end of retaining bar to swing, make retaining bar to expansion on the outside of anchoring pipe, so that anchor pile is integrally firmly fastened in slope ground, and can prevent anchor pile entirety is outer to move back;Extruding promotion is carried out by way of built-in core bar and jacking block cone match, not only contact area is larger, it is good that effect is overally supported after promotion, move inward after preventing retaining bar from putting outside, and built-in core bar can enhance the intensity of anchoring pipe, to improve the bending resistance shear resistance of anchor pile entirety, there is preferable anchor force.

Description

Slope retaining anchor pile

Technical field

The present invention relates to slope retaining field, more particularly to a kind of slope retaining anchor pile.

Background technology

The side slope formed in engineering construction often will appear landslide, avalanche, swollen when encountering rainy day or sharp pounding The generation of the geological disasters such as swollen or peeling, to prevent the generation of above-mentioned geological disaster, it is necessary to carry out slope treatment, establish supporting Mechanism, wherein the combination of friction pile or prestressed cable or friction pile and prestressed cable is common supporting construction.Side slope Slip mass and slider bed can be divided into from outer to inner by geology ingredient, wherein slip mass is also known as unstable region, opposite, and slider bed is claimed For stable region, friction pile or prestressed cable are by passing through slip mass to go deep into slider bed, being used for the sliding force of supporting and retaining system slip mass, play The effect of stable side slope.

In the prior art, the supporting construction of friction pile and prestressing tendon, though there is preferable bending resistance shear resistance, installation Inconvenience, technique is relative complex, and anchoring needs to be fixed by concrete, and not only cost is higher, and labor intensity is high, and installs Adaptive effect is bad afterwards, and the expansion that especially side slope generates is limited.

Therefore, it is necessary to be improved with friction pile to existing slope retaining, ensureing it with preferable bending resistance shearing resistance While ability, there is preferable anchor force, side slope expansion generates preferable pulling force fixed effect, and keeps its easy for installation, Material is saved in time and labour saving.

Invention content

In view of this, the present invention provides a kind of slope retaining anchor pile, ensureing it with preferable bending resistance shearing resistance energy While power, there is preferable anchor force, side slope expansion generates preferable pulling force fixed effect, and keeps its easy for installation, saves Shi Shenggong saves material.

The slope retaining anchor pile of the present invention, including anchoring pipe, be set in anchoring pipe and built in being axially movable Core bar and be arranged upper in anchoring pipe and coordinate with built-in core bar and carry out at least one set of retaining component of retaining, the retaining component Including at least one retaining bar and the jacking block being correspondingly arranged with retaining bar, the retaining bar is articulated with the anchoring Guan Bingke perpendicular Straight plane is set in the jacking block hole to setting jacking block hole, the jacking block around hinged spot wobble, the anchoring caliber and can edge Anchoring pipe moves radially, the jacking block and the built-in core bar cone match, when built-in core bar is moved axially downwards along anchoring pipe When, jacking block is moved radially outward along anchoring pipe and pushes retaining bar to anchoring pipe exterior oscillations.

Further, the free end of the retaining bar of the retaining component of two adjacent groups is towards on the contrary.

Further, retaining component setting described in each group is corresponding there are four the retaining bar along anchoring pipe circumference uniform distribution setting There are one the jacking blocks for each retaining bar setting.

Further, it is provided in jacking block hole for the guiding road to jacking block mobile guide.

Further, being provided on jacking block prevents from being moved outwards the block to fall off.

Further, built-in core bar corresponds to each group of retaining component and is provided with one for being squeezed with the conical surface of jacking block cone match Portion.

Further, the outside of retaining bar is equipped with the locking tooth for enhancing retaining power.

Further, anchor pile further include for install anchor cable and with built-in core bar top coordinate carry out damping vibration attenuation anchor cable Mounting assembly, the anchor cable mounting assembly include anchor cable mounting rod, damper assembly and shock-absorbing spring, in the built-in core bar upper end Portion forms damping cavity, fills magnetorheological fluid medium in the damping cavity, the damper assembly is installed in the damping cavity, described Damper assembly includes with the fixed connector sleeve of anchor cable mounting rod circumference, the arc rotor block being arranged on connector sleeve and mounted on arc Electromagnetic coil on shape rotor block, the anchor cable mounting rod is rotatably assorted with built-in core bar upper end and the damping is stretched out in upper end Chamber;The anchor cable mounting assembly further includes being fixed on the bulkhead bracket damped on cavity wall, outside the bulkhead bracket inner end and connector sleeve Damping cavity is separated into two dampings and chamber, the arc rotor block is divided to divide intracavitary to be arranged one in each damping by side circumference fitting, Circumferentially there are radial clearances to form damp channel between sleeve lining for arc rotor block.

Further, in the respectively setting one of the both sides of each arc rotor block, shock-absorbing spring one end turns shock-absorbing spring with arc Daughter end is supported only, and the other end is connect with bulkhead bracket.

Beneficial effects of the present invention:The slope retaining anchor pile of the present invention is pushed by the axial movement of built-in core bar Jacking block is moved radially along anchoring pipe, and jacking block can push the free end of retaining bar to swing so that retaining bar is to anchoring exhibition on the outside of pipe It opens, so that anchor pile is integrally firmly fastened in slope ground, and can prevent anchor pile entirety is outer to move back;Pass through built-in core Bar and the mode of jacking block cone match carry out extruding promotion, and not only contact area is larger, and integrated support effect is good after promotion, prevents Retaining bar moves inward after putting outside, and built-in core bar can enhance the intensity of anchoring pipe, to improve anchor pile entirety Bending resistance shear resistance has preferable anchor force.

Description of the drawings

The invention will be further described with reference to the accompanying drawings and examples.

Fig. 1 is structural schematic diagram in the present invention;

Fig. 2 be in Fig. 1 A-A to structural schematic diagram.

Specific implementation mode

Fig. 1 is anchor pile structural schematic diagram in the present invention, and Fig. 2 is that A-A is to structural schematic diagram in Fig. 1, as shown in the figure:This reality Apply the slope retaining anchor pile of example, including anchoring pipe 1, be set to the built-in core bar 2 in anchoring pipe 1 and being axially movable and with It includes extremely to be arranged on anchoring pipe 1 and coordinate with built-in core bar 2 at least one set of retaining component for carrying out retaining, the retaining component A few retaining bar 3 and the jacking block 4 being correspondingly arranged with retaining bar 3, the retaining bar 3 are articulated with the anchoring pipe 1 and can be perpendicular Straight plane is around hinged spot wobble, and the radial setting jacking block hole 5 of the anchoring pipe 1, the jacking block 4 is set in the jacking block hole 5 simultaneously It can be moved radially along anchoring pipe 1, the jacking block 4 and 2 cone match of built-in core bar, when built-in core bar 2 is axial along anchoring pipe 1 When moving down, jacking block 4 is moved radially outward along anchoring pipe 1 and pushes retaining bar 3 to anchoring 1 exterior oscillations of pipe;Such as Fig. 1 institutes Show, retaining component is arranged two groups, when built-in core bar 2 moves down, due to built-in core bar 2 and 4 cone match of jacking block so that top Block 4 is displaced outwardly along jacking block hole 5, and jacking block 4 pushes the 3 outside side oscillation of retaining bar until beyond anchoring 1 outer surface of pipe and squeezing into Enter to become to be formed in the ground of slope and fix, anchoring pipe 1 is provided with wing plate 6 at retaining component installation position, and retaining bar 3 passes through articulated shaft It is hinged in wing plate;It is plugging structure to anchor pipe lower end, and is equipped with bit head 11, and anchoring pipe upper end is provided with locking nut 21, For being locked to built-in core bar.

In the present embodiment, the free end of the retaining bar 3 of the retaining component of two adjacent groups is towards on the contrary;As described in Figure 1, it is located at The free end of the retaining bar 3a of the retaining component of top downward, the free end of the retaining bar 3 of underlying retaining component Upward, certainly, it can also be reversed, it is ensured that anchoring retaining effect.

In the present embodiment, there are four the retaining bars along anchoring 1 circumference uniform distribution of pipe setting for retaining component setting described in each group 3, there are one the jacking blocks 4 for corresponding each setting of retaining bar 3;The medial surface of four jacking blocks 4 collectively constitutes up big and down small inner cone Face.

In the present embodiment, it is provided in jacking block hole 5 for the guiding road 7 to 4 mobile guide of jacking block;Guidance quality is good, prevents Jacking block 4 shakes.

In the present embodiment, being provided on jacking block 4 prevents from being moved outwards the block 8 to fall off;For preventing jacking block 4 to be managed to anchoring From abjection in anchoring pipe 1 when 1 outside is mobile.

In the present embodiment, built-in core bar 2 corresponds to each group of retaining component and is provided with one for the cone with 4 cone match of jacking block Face press section 9;As shown, conical surface press section forms the male cone (strobilus masculinus) coordinated with jacking block 4, male cone (strobilus masculinus) is the small structure of upper size.

In the present embodiment, the outside of retaining bar 3 is equipped with the locking tooth 10 for enhancing retaining power;Locking tooth is in retaining bar 3 It can be inserted into slope ground when outer pendulum, to increase anchor force.

In the present embodiment, anchor pile further includes carrying out damping vibration attenuation for installing anchor cable and coordinating with 2 top of built-in core bar Anchor cable mounting assembly, the anchor cable mounting assembly includes anchor cable mounting rod 12, damper assembly and shock-absorbing spring, the built-in core Damping cavity is formed inside 2 upper end of bar, fills magnetorheological fluid medium in the damping cavity, the damper assembly is installed on the damping Intracavitary, the damper assembly include with 12 circumference of anchor cable mounting rod fixed connector sleeve 14, the arc that is arranged on connector sleeve 14 Rotor block 15 and the electromagnetic coil 16 on arc rotor block 15, the anchor cable mounting rod 12 turn with 2 upper end of built-in core bar It is dynamic to stretch out the damping cavity with merging upper end;The anchor cable mounting assembly further includes the bulkhead bracket being fixed on damping cavity wall 17,17 inner end of the bulkhead bracket is bonded with 14 outer circumference of connector sleeve to be separated into two dampings by damping cavity and divides chamber, the arc Rotor block 15 divides intracavitary to be arranged one in each damping, and circumferentially there are radial clearance shapes between sleeve lining for arc rotor block 15 At damp channel 18;Wherein, anchor cable mounting rod 12 includes bar body and anchor cable mounting head 19, anchor cable mounting head and bar body screw thread Connection, 12 lower end of anchor cable mounting rod are inserted into damping cavity and are connected and fixed with 14 spline of connector sleeve, and 12 upper end of anchor cable mounting rod is stretched Go out damping cavity and be rotatably assorted by bearing and built-in core bar 2, damper assembly is used in combination with external power supply when in use, with control The energization and power-off of electromagnetic coil 16 processed, it is adjacent between anchor pile connected by anchor cable, anchor cable is fixed in anchor cable mounting head, When adjacent position hillside is come down, anchor cable can drive anchor cable mounting rod 12 to rotate, at this time since the effect of damper assembly can be to anchor The rotation of rope mounting rod 12 forms damping force, to ensure the pulling force of anchor cable, forms whole locking effect;In addition, such as Fig. 2 institutes Show, bulkhead bracket 17 includes straight panel and arc panel, and bulkhead bracket 17 is integrally formed, and straight panel is fixed with damping cavity wall, arc panel and company 14 excircle of female connector is bonded, and each damping is divided to chamber to be separated into two interconnected sap cavities by the arc rotor block 15 being arranged in it 20, sap cavity is interior to be arranged shock-absorbing spring, and when arc rotor block 15 rotates, the magnetorheological fluid in two sap cavities will produce in arc rotor Flowing shearing is generated in clearance channel between body 15 and damping cavity wall, to generate damping force.

In the present embodiment, shock-absorbing spring the both sides of each arc rotor block 15 respectively setting one, shock-absorbing spring one end with 15 end of arc rotor block is supported only, and the other end is connect with bulkhead bracket 17;As shown in Fig. 2, there are one subtract for setting in each sap cavity Shake spring.

Finally illustrate, the above examples are only used to illustrate the technical scheme of the present invention and are not limiting, although with reference to compared with Good embodiment describes the invention in detail, it will be understood by those of ordinary skill in the art that, it can be to the skill of the present invention Art scheme is modified or replaced equivalently, and without departing from the objective and range of technical solution of the present invention, should all be covered at this In the right of invention.

Claims (8)

1. a kind of slope retaining anchor pile, it is characterised in that:It manages, be set in anchoring pipe including anchoring and is axially movable Built-in core bar and be arranged upper in anchoring pipe and coordinate with built-in core bar and carry out at least one set of retaining component of retaining, the retaining Component includes at least one retaining bar and the jacking block that is correspondingly arranged with retaining bar, and the retaining bar is articulated with the anchoring Guan Bingke In perpendicular around hinged spot wobble, the anchoring caliber is set in the jacking block hole simultaneously to setting jacking block hole, the jacking block It can be moved radially along anchoring pipe, the jacking block and the built-in core bar cone match, when built-in core bar is managed axially downwardly along anchoring When mobile, jacking block is moved radially outward along anchoring pipe and pushes retaining bar to anchoring pipe exterior oscillations;
The anchor pile further include for install anchor cable and with built-in core bar top coordinate carry out damping vibration attenuation anchor cable installation group Part, the anchor cable mounting assembly include anchor cable mounting rod, damper assembly and shock-absorbing spring, are formed inside the built-in core bar upper end Damping cavity, the damping cavity is interior to fill magnetorheological fluid medium, and the damper assembly is installed in the damping cavity, the damping group Part includes with the fixed connector sleeve of anchor cable mounting rod circumference, the arc rotor block being arranged on connector sleeve and mounted on arc rotor Electromagnetic coil on body, the anchor cable mounting rod is rotatably assorted with built-in core bar upper end and the damping cavity is stretched out in upper end;It is described Anchor cable mounting assembly further includes the bulkhead bracket being fixed on damping cavity wall, and the bulkhead bracket inner end is pasted with connector sleeve outer circumference It closes that damping cavity is separated into two and is damped and divides chamber, the arc rotor block divides intracavitary to be arranged one in each damping, arc rotor Circumferentially there are radial clearances to form damp channel between sleeve lining for body.
2. slope retaining anchor pile according to claim 1, it is characterised in that:The retaining of the retaining component of two adjacent groups The free end of bar is towards on the contrary.
3. slope retaining anchor pile according to claim 2, it is characterised in that:Retaining component described in each group is provided with Four retaining bars along anchoring pipe circumference uniform distribution setting, there are one the jacking blocks for corresponding each retaining bar setting.
4. slope retaining anchor pile according to claim 3, it is characterised in that:Be provided in the jacking block hole for pair The guiding road of jacking block mobile guide.
5. slope retaining anchor pile according to claim 4, it is characterised in that:Being provided on the jacking block prevents radial direction It is outer to move the block to fall off.
6. slope retaining anchor pile according to claim 5, it is characterised in that:The built-in core bar, which corresponds to each group, to be stopped It moves back component and is provided with one for the conical surface press section with jacking block cone match.
7. slope retaining anchor pile according to claim 6, it is characterised in that:The outside of the retaining bar is equipped with and is used for Enhance the locking tooth of retaining power.
8. slope retaining anchor pile according to claim 1, it is characterised in that:The shock-absorbing spring turns in each arc The respectively setting one of the both sides of daughter, shock-absorbing spring one end are supported only with arc rotor body ends, and the other end is connect with bulkhead bracket.
CN201610511996.1A 2016-06-30 2016-06-30 Slope retaining anchor pile CN106193029B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201610511996.1A CN106193029B (en) 2016-06-30 2016-06-30 Slope retaining anchor pile

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201610511996.1A CN106193029B (en) 2016-06-30 2016-06-30 Slope retaining anchor pile

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CN106193029A CN106193029A (en) 2016-12-07
CN106193029B true CN106193029B (en) 2018-07-27

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Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106979743B (en) * 2017-04-19 2018-08-10 中国地质大学(武汉) A kind of landslide depth big displacement adaptive monitoring system and method
CN109881689A (en) * 2019-03-25 2019-06-14 贵州大学 A kind of anchor pile for slope retaining
CN110258595B (en) * 2019-07-04 2020-11-24 华北水利水电大学 Anti-slide pile
CN111042106A (en) * 2019-12-09 2020-04-21 青海民族大学 Collapse-preventing electric sintering support pile for collapsible loess foundation pit

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6217260B1 (en) * 1998-07-10 2001-04-17 Dexin He Downhole reamer with double acting dual piston cylinder
CN202139588U (en) * 2011-06-18 2012-02-08 山东大学 Novel self-broaching anchor rod
CN202767074U (en) * 2012-05-09 2013-03-06 罗强 Pressurized soil anchor reamer
CN103741687A (en) * 2014-01-27 2014-04-23 北方工业大学 Reaming pressure-dispersed anchor rod
CN104179177A (en) * 2014-08-13 2014-12-03 江苏鸿基科技有限公司 Nailing and anchoring device based on foundation pit supporting structure and construction method of nailing and anchoring device

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6217260B1 (en) * 1998-07-10 2001-04-17 Dexin He Downhole reamer with double acting dual piston cylinder
CN202139588U (en) * 2011-06-18 2012-02-08 山东大学 Novel self-broaching anchor rod
CN202767074U (en) * 2012-05-09 2013-03-06 罗强 Pressurized soil anchor reamer
CN103741687A (en) * 2014-01-27 2014-04-23 北方工业大学 Reaming pressure-dispersed anchor rod
CN104179177A (en) * 2014-08-13 2014-12-03 江苏鸿基科技有限公司 Nailing and anchoring device based on foundation pit supporting structure and construction method of nailing and anchoring device

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