CN109440840A - A kind of friction pile suitable for side slope model test-anchor cable attachment device - Google Patents

A kind of friction pile suitable for side slope model test-anchor cable attachment device Download PDF

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Publication number
CN109440840A
CN109440840A CN201811526615.2A CN201811526615A CN109440840A CN 109440840 A CN109440840 A CN 109440840A CN 201811526615 A CN201811526615 A CN 201811526615A CN 109440840 A CN109440840 A CN 109440840A
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CN
China
Prior art keywords
fastener
anchor cable
friction pile
side slope
model test
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Pending
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CN201811526615.2A
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Chinese (zh)
Inventor
李长冬
熊爽
张永权
姚文敏
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China University of Geosciences
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China University of Geosciences
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Priority to CN201811526615.2A priority Critical patent/CN109440840A/en
Publication of CN109440840A publication Critical patent/CN109440840A/en
Pending legal-status Critical Current

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    • EFIXED CONSTRUCTIONS
    • E02HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02DFOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D33/00Testing foundations or foundation structures

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  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Mining & Mineral Resources (AREA)
  • Paleontology (AREA)
  • Civil Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • Piles And Underground Anchors (AREA)

Abstract

The invention discloses a kind of friction pile suitable for side slope model test-anchor cable attachment devices, the anchor cable of friction pile is passed through to connect friction pile and one end, comprising: the first fastener that is connected on friction pile, the second fastener for being connected to anchor cable one end, the third fastener connecting with the second fastener nest;First fastener is fixedly connected on friction pile by several first fasteners, and the anchor cable one end for being connected with the second fastener passes through friction pile;The outside of third fastener is connect with first fastener nested encryptions, inside with the second fastener nest;By adjusting the depth of third fastener insertion first fastener, to apply different prestressing force to anchor cable.The connection depth of anchor cable and friction pile is adjusted in the present invention, and accurately adjusts the prestressing force size on anchor cable, greatly enhances connection effect, improve the prestressed validity of application, the test period is shortened, test difficulty is reduced, improves the precision of model test.

Description

A kind of friction pile suitable for side slope model test-anchor cable attachment device
Technical field
The present invention relates to geological disaster modeling techniques field more particularly to a kind of resisting suitable for side slope model test Sliding pile-anchor cable attachment device.
Background technique
Since landslide class geological disaster takes place frequently, and its range being related to is wide, brings to SURVEYING OF LANDSLIDE work very big Inconvenience, therefore, side slope model test are applied to more and more in slope analysis field.Using side slope model test apparatus When simulating entity side slope, it is also desirable to simulate entity ruggedized construction present in side slope.Currently, pre-stress anti-slide pile (is commonly called as Anchorage pile) the characteristics of rock mass self-strength and bearing capacity can make full use of due to its own, more and more it is used as reinforcing One of measure of side slope.
When simulating pre-stress anti-slide pile in side slope model test, due to the limitation of technological means, usually all use The mode of antiskid pile material and anchorage cable materials directly is fixedly connected with to simulate the connection status of friction pile and anchor cable, to be formed anti- Sliding pile-anchor cable system reaches the effect of reinforcing side slope, but this method can not determine and have lost pre- answer due to various reasons True prestress value after power, to need further Adjustment Tests device;Also as using antiskid piling is directly fixedly connected with The mode of material and anchorage cable materials, leads to not dynamically adjust the prestressing force size for applying anchor cable, will cause model test in this way Result be not inconsistent with truth, influence the precision of test result;It is also unable to satisfy the purpose that the diversity of test is inquired into simultaneously.
In order to change this test situation, need to make the friction pile and anchor cable that effectively can accurately adjust prestressing force size Attachment device, with the requirement of prestressing force sizes different in adaptive model, this necessarily extends the test period, and it is difficult to increase test Degree, improves testing expenses.
Summary of the invention
In view of this, the embodiment provides a kind of friction pile suitable for side slope model test-anchor cable connections The features such as device has structure simple, and strong using duration, prestress application works well, and simplified model is tested, can be accurate Apply the prestressing force of specific value to anchor cable, operating procedure is easy.
To achieve the above object, present invention employs a kind of technical solutions: a kind of antiskid suitable for side slope model test Stake-anchor cable attachment device passes through the anchor cable of the friction pile to connect friction pile and one end, comprising: be connected to the antiskid First fastener in stake, is connect the second fastener for being connected to described anchor cable one end with second fastener nest Third fastener;
The first fastener is fixedly connected on friction pile by several first fasteners, is connected with described second Anchor cable one end of fastener passes through friction pile;
Outside and first fastener nested encryptions, the inside and second fastener nest of the third fastener connect It connects;
It is different pre- to apply to the anchor cable by adjusting the depth of third fastener insertion first fastener Stress.
Further, first fastener, the second fastener are screw.
Further, the third fastener is two-way bolt, outside and first fastener nested encryptions, interior Side is connect with second fastener nest.
Further, the first fastener be equipped with first through hole, the third fastener by first through hole with First fastener nested encryptions.
Further, the friction pile is equipped with the first hole, so that the anchor cable is connected with one end of the second fastener It passes through, after second fastener passes through the first hole, and is connect in the first through hole with third fastener nest.
Further, the first fastener is additionally provided with several the second through-holes, for several the first fasteners pair It should pass through.
Further, several second holes, the position of second hole and the second through-hole are additionally provided on the friction pile Set it is corresponding, for pass through second through-hole the first fastener pass through.
Further, the first fastener for sequentially passing through second through-hole and the second hole, passes through second fastener It is fixed.
Further, the first fastener and second fastener are nut.
Further, it is provided with scale on the outside of the third fastener, the anchor cable is applied by scale reflection Prestressing force size.
The technical solution that the embodiment of the present invention provides has the benefit that (1) can be imitated according to different reinforcings Fruit dynamically adjusts the prestressing force size being applied on anchor cable, can more preferable simulation friction pile and anchor cable true connection status, more Actual conditions are accurately restored, the analysis result of model test is enriched;(2) the connection depth between adjustable attachment device Accurately adjust the prestressing force size being applied on anchor cable;(3) it can satisfy the slope reinforcement requirement in the case of different tests, make to fill The availability set is stronger;(4) structure is simple, and manufacturing cost is lower, and sustainable usability is stronger, is improved with more economical means The lasting usability of attachment device;(5) it can be widely used in side slope model test, remarkable in economical benefits has a extensive future.
Detailed description of the invention
Fig. 1 is friction pile of the invention-anchor cable attachment device overall structure figure;
Fig. 2 is friction pile of the invention-anchor cable attachment device left view;
Fig. 3 is friction pile of the invention-anchor cable attachment device sectional view;
Fig. 4 is friction pile of the invention-anchor cable attachment device partial enlarged view.
In figure: 1- third fastener, the first fastener of 2-, 3- first fastener, 4- friction pile, 5- anchor cable, 6- anchor pole, 7- first through hole, the second fastener of 8-, the second through-hole of 9-, the first hole of 10-, the second hole of 11-, 12- second fastener.
Specific embodiment
To make the object, technical solutions and advantages of the present invention clearer, below in conjunction with attached drawing to embodiment party of the present invention Formula is further described.
As shown in Figs 1-4, the embodiment provides a kind of friction pile suitable for side slope model test-anchor cables to connect Connection device (hereinafter referred to as " attachment device "), to connect friction pile 4 and anchor cable 5, wherein one end of the anchor cable 5 passes through anti- Sliding pile 4, the attachment device include: the first fastener 3 being connected on the friction pile 4, are connected to described 5 one end of anchor cable The second fastener 8, the third fastener 1 that is connect with second fastener 8.For example, the friction pile 4 is highly dense using column Polyethylene is spent, the anchor cable 5 uses steel strand wires.The other end of the anchor cable 5 is connected with anchor pole 6, to the anchor cable 5 is fixed To basement rock.
The first fastener 3 is fixedly connected on friction pile 4 by several first fasteners 2, and described first is tight It is fixedly mounted with and sets 3 equipped with 7 (not shown) of first through hole, the third fastener 1 passes through first through hole 7 and first fastener 3 nested encryptions.The first fastener 3 is additionally provided with several 9 (not shown)s of the second through-hole, for first fastening Part 2 passes through.The friction pile 4 is equipped with the first hole 10, so that one end that the anchor cable 5 is connected with the second fastener 8 passes through, It is described after second fastener 8 passes through the first hole 10, and with 1 nested encryptions of third fastener in the first through hole 7 Second fastener 8 is connected to the inside of third fastener 1.Several second holes 11 are additionally provided on the friction pile 4 (in figure not Show), so that first fastener 2 passes through.Second hole 11 is corresponding with the position of the second through-hole 9, sequentially passes through First fastener 2 of second through-hole 9 and the second hole 11, can be fixed by second fastener 12.
It is provided with scale (with reference to Fig. 4) on the outside of the third fastener 1, can be reflected by scale to the anchor cable The 5 prestressing force sizes applied.The degree of first fastener 3 institute in other words can be screwed out by establishing the third fastener 1 The relationship that third fastener 1 is embedded in depth (namely corresponding scale value) and prestressing force size of first fastener 3 is stated, is based on The third fastener 1 screws out the scale value of first fastener 3, knows the prestressing force size applied to the anchor cable 5.Pass through The scale value that the third fastener 1 screws out first fastener 3 is adjusted, to apply different prestressing force to the anchor cable 5.
Preferably, first fastener 2, the second fastener 8 are screw, and the third fastener 1 is two-way bolt, Its outside and 3 nested encryptions of first fastener, inside and 8 nested encryptions of the second fastener.Preferably, described One clamp device 3 and second fastener 12 are nut.
As shown in Fig. 2, four the first fasteners 2 are located at the first fastening dress by taking four the first fasteners 2 as an example It sets on 3 four angles, the quantity of second hole 11 and the second through-hole 9 is four.
The working principle of attachment device of the present invention is as follows: firstly, being fastened using several first fasteners 2 by first Device 3 is fixed on friction pile 4;The second fastener 8 being fixedly connected with the anchor cable 5 is passed through to first in friction pile 4 again Hole 10 rotates nested encryptions with the inside of the third fastener 1, while the outside of the third fastener 1 and first is tightly It is fixedly mounted with and sets 3 rotation nested encryptions, and guarantee that the fixation of anchor pole 6 is intact;After being fixed to the attachment device, described in holding Third fastener 1 and the connection building-in depth of the second fastener 8 are constant, and the third fastener 1 is slowly screwed out the first fastening Device 3 (for example, counterclockwise), that is, reduce connection building-in depth between the two, reach and apply prestressed mesh to the anchor cable 5 's.For example, can be obtained by test corresponding described when the third fastener 1 produces fixed 3 one lattice of first fastener The scale of prestressing force size is arranged, thus in mould in the prestressing force size that anchor cable 5 applies on the outside of the third fastener 1 The prestressed specific value applied to the anchor cable 5 is accurately obtained in type test.
The technical solution that the embodiment of the present invention provides has the benefit that (1) can be imitated according to different reinforcings Fruit dynamically adjusts the prestressing force size being applied on anchor cable, can more preferable simulation friction pile and anchor cable true connection status, more Actual conditions are accurately restored, the analysis result of model test is enriched;(2) the connection depth between adjustable attachment device Accurately adjust the prestressing force size being applied on anchor cable;(3) it can satisfy the slope reinforcement requirement in the case of different tests, make to fill The availability set is stronger;(4) structure is simple, and manufacturing cost is lower, and sustainable usability is stronger, is improved with more economical means The lasting usability of attachment device;(5) it can be widely used in side slope model test, remarkable in economical benefits has a extensive future.
It is worth noting that: in the description of the present invention, " several " are meant that one or more, unless otherwise Clear specific restriction.In the present invention unless specifically defined or limited otherwise, term " installation ", " connected ", " connection ", Terms such as " fixations " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or be integrally connected, It can be mechanical connection, for the ordinary skill in the art, can understand above-mentioned term at this as the case may be Concrete meaning in invention.
Herein, the nouns of locality such as related front, rear, top, and bottom are to be located in figure with components in attached drawing and zero Part mutual position defines, only for the purpose of expressing the technical solution clearly and conveniently.It should be appreciated that the noun of locality Use should not limit the claimed range of the application.
In the absence of conflict, the feature in embodiment and embodiment herein-above set forth can be combined with each other.
The foregoing is merely presently preferred embodiments of the present invention, is not intended to limit the invention, it is all in spirit of the invention and Within principle, any modification, equivalent replacement, improvement and so on be should all be included in the protection scope of the present invention.

Claims (10)

1. a kind of friction pile suitable for side slope model test-anchor cable attachment device passes through institute to connect friction pile and one end State the anchor cable of friction pile, it is characterised in that: include: the first fastener being connected on the friction pile, be connected to the anchor The second fastener of Suo Yiduan, the third fastener being connect with second fastener nest;
The first fastener is fixedly connected on friction pile by several first fasteners, is connected with second fastening Anchor cable one end of part passes through friction pile;
The outside of the third fastener is connect with first fastener nested encryptions, inside with second fastener nest;
By adjusting the depth of third fastener insertion first fastener, to apply different pre- answer to the anchor cable Power.
2. the friction pile suitable for side slope model test-anchor cable attachment device according to claim 1, it is characterised in that: First fastener, the second fastener are screw.
3. the friction pile suitable for side slope model test-anchor cable attachment device according to claim 1, it is characterised in that: The third fastener is two-way bolt, outside and the first fastener nested encryptions, inside and second fastening Part nested encryptions.
4. the friction pile suitable for side slope model test-anchor cable attachment device according to claim 1, it is characterised in that: The first fastener is equipped with first through hole, and the third fastener connects by the way that first through hole is nested with first fastener It connects.
5. the friction pile suitable for side slope model test-anchor cable attachment device according to claim 4, it is characterised in that: The friction pile is equipped with the first hole, so that one end that the anchor cable is connected with the second fastener passes through, second fastening After part passes through the first hole, and it is connect in the first through hole with third fastener nest.
6. the friction pile suitable for side slope model test-anchor cable attachment device according to claim 1, it is characterised in that: The first fastener is additionally provided with several the second through-holes, for several first fasteners it is corresponding across.
7. the friction pile suitable for side slope model test-anchor cable attachment device according to claim 6, it is characterised in that: Several the second holes are additionally provided on the friction pile, second hole is corresponding with the position of the second through-hole, for passing through First fastener of second through-hole passes through.
8. the friction pile suitable for side slope model test-anchor cable attachment device according to claim 7, it is characterised in that: The first fastener for sequentially passing through second through-hole and the second hole, is fixed by second fastener.
9. the friction pile suitable for side slope model test-anchor cable attachment device according to claim 8, it is characterised in that: The first fastener and second fastener are nut.
10. the friction pile suitable for side slope model test-anchor cable attachment device according to claim 1, it is characterised in that: It is provided with scale on the outside of the third fastener, the prestressing force size applied to the anchor cable is reflected by scale.
CN201811526615.2A 2018-12-13 2018-12-13 A kind of friction pile suitable for side slope model test-anchor cable attachment device Pending CN109440840A (en)

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Application Number Priority Date Filing Date Title
CN201811526615.2A CN109440840A (en) 2018-12-13 2018-12-13 A kind of friction pile suitable for side slope model test-anchor cable attachment device

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Application Number Priority Date Filing Date Title
CN201811526615.2A CN109440840A (en) 2018-12-13 2018-12-13 A kind of friction pile suitable for side slope model test-anchor cable attachment device

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112461466A (en) * 2020-10-27 2021-03-09 同济大学 Dynamic simulation test system for pile-anchor supporting side slope under earthquake action
CN112761171A (en) * 2021-01-05 2021-05-07 安徽理工大学 Anti-slide pile inserter

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Publication number Priority date Publication date Assignee Title
CN2773222Y (en) * 2005-03-28 2006-04-19 李炳奇 Structural member for fixing heads of anchor or cable
CN2830644Y (en) * 2004-06-03 2006-10-25 中国科学院武汉岩土力学研究所 Controllable prestressed super-strength anchor arm
CN101343882A (en) * 2008-08-18 2009-01-14 山东大学 Miniature pre-stress anchor wire used for model experiment and its burying and loading method
CN102108703A (en) * 2010-12-20 2011-06-29 中铁隧道集团有限公司 Adjustable prestressed anchoring device
KR20130028489A (en) * 2011-09-09 2013-03-19 주식회사고려이엔시 Tension control bracket
KR20160039841A (en) * 2014-10-02 2016-04-12 엘케이테크 주식회사 A Rebar anchoring device for hooped reinforcement
CN107447756A (en) * 2017-09-25 2017-12-08 西南石油大学 A kind of constructing device for compensating prestressd anchor cable loss and compensation construction method
KR101852082B1 (en) * 2017-11-02 2018-04-27 (주) 피티솔루션 Re-tensioning anchorage device
CN108532615A (en) * 2018-04-23 2018-09-14 武汉工程大学 Cable adjustable power anchor draws friction pile and its construction method
CN208183771U (en) * 2018-05-08 2018-12-04 四川大学 A kind of side slope shaking table model stream line prestress application device
CN209412882U (en) * 2018-12-13 2019-09-20 中国地质大学(武汉) A kind of friction pile suitable for side slope model test-anchor cable attachment device

Patent Citations (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2830644Y (en) * 2004-06-03 2006-10-25 中国科学院武汉岩土力学研究所 Controllable prestressed super-strength anchor arm
CN2773222Y (en) * 2005-03-28 2006-04-19 李炳奇 Structural member for fixing heads of anchor or cable
CN101343882A (en) * 2008-08-18 2009-01-14 山东大学 Miniature pre-stress anchor wire used for model experiment and its burying and loading method
CN102108703A (en) * 2010-12-20 2011-06-29 中铁隧道集团有限公司 Adjustable prestressed anchoring device
KR20130028489A (en) * 2011-09-09 2013-03-19 주식회사고려이엔시 Tension control bracket
KR20160039841A (en) * 2014-10-02 2016-04-12 엘케이테크 주식회사 A Rebar anchoring device for hooped reinforcement
CN107447756A (en) * 2017-09-25 2017-12-08 西南石油大学 A kind of constructing device for compensating prestressd anchor cable loss and compensation construction method
KR101852082B1 (en) * 2017-11-02 2018-04-27 (주) 피티솔루션 Re-tensioning anchorage device
CN108532615A (en) * 2018-04-23 2018-09-14 武汉工程大学 Cable adjustable power anchor draws friction pile and its construction method
CN208183771U (en) * 2018-05-08 2018-12-04 四川大学 A kind of side slope shaking table model stream line prestress application device
CN209412882U (en) * 2018-12-13 2019-09-20 中国地质大学(武汉) A kind of friction pile suitable for side slope model test-anchor cable attachment device

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112461466A (en) * 2020-10-27 2021-03-09 同济大学 Dynamic simulation test system for pile-anchor supporting side slope under earthquake action
CN112461466B (en) * 2020-10-27 2021-11-16 同济大学 Dynamic simulation test system for pile-anchor supporting side slope under earthquake action
CN112761171A (en) * 2021-01-05 2021-05-07 安徽理工大学 Anti-slide pile inserter

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