CN207672637U - Anchor pile counterforce device for super-tonnage static load test - Google Patents

Anchor pile counterforce device for super-tonnage static load test Download PDF

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Publication number
CN207672637U
CN207672637U CN201721917451.7U CN201721917451U CN207672637U CN 207672637 U CN207672637 U CN 207672637U CN 201721917451 U CN201721917451 U CN 201721917451U CN 207672637 U CN207672637 U CN 207672637U
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pile
crossbeam
test
cross
jack
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CN201721917451.7U
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Inventor
王正仁
段万喜
刘素娟
王少众
贾建林
陈运龙
冀建东
李永俊
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Hebei Lvyuan Testing And Certification Group Co Ltd
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Bengshi Lyvyuan Construction Engineering Inspection Co ltd
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Abstract

The utility model relates to an anchor pile counterforce device for super-tonnage static load test, which comprises two crossbeams crossing and overlapping on a test pile, counterforce anchor piles arranged around the test pile, and a fixing mechanism for connecting the crossbeams and the counterforce anchor piles; a jack is arranged between the cross beam and the test pile, and a pressure sensor is arranged at the top of the jack; the fixed connection mechanism comprises a plurality of upper cross arms arranged above the cross beam, a plurality of lower cross arms arranged below the cross beam and a screw rod connected with the upper cross arms and the lower cross arms; the upper cross arms are fixedly connected with the cross beam and are parallel to each other and are perpendicular to the cross beam; many the bottom end rail is with reaction anchor pile fixed connection, and many bottom end rails arrange, quantity homogeneous phase with many last cross arms. The utility model discloses the anchor pile counterforce device for super large-tonnage static test that obtains can significantly reduce a large amount of weldment work when anchor pile reinforcing bar is connected with the counter-force roof beam, has effectively improved work efficiency, and can effectively improve experimental tonnage.

Description

Super-tonnage static test anchoring pile counterforce device
Technical field
The utility model is related in architectural engineering dead load test on pile foundation technical field more particularly to a kind of super-tonnage it is quiet Carry experiment anchoring pile counterforce device.
Background technology
In building construction process, since the soil property performance of various regions differs, construction quality is different, therefore in order to ensure engineering Reliability, it is necessary to carry out dead load test on pile foundation, calculated with testing bearing capacity of pile foundation and every design related with bearing capacity Parameter provides data to design, constructing.The basic principle of dead load test on pile foundation is to carry out weight load to pile foundation, and simulating it will The operating condition come, to observe the sedimentation deformation generated at any time after weight load at the top of pile foundation, so that it is determined that corresponding test pile Vertical compression bearing capacity.In field of civil engineering, dead load test on pile foundation is tested the design bearing capacity of pile foundation, construction quality The basic demand of card and method.It is counterforce device where the core of dead load test on pile foundation, because counterforce device acts as future and builds The simulated performance of object ballast is built, therefore the success or not of dead load test on pile foundation depends greatly on the reliable of counterforce device Property and safety.The form of counterforce device is varied, and there are commonly preloading counterforce devices and anchoring pile counterforce device.But with The development of national economy, the bridge and skyscraper of large span are increased, and the application of large diameter and very long pile is commonplace, often Detection device has been difficult to deal with existing large-tonnage experiment, and detection device is caused to cannot be satisfied current needs.
Utility model content
To solve the above-mentioned problems, the utility model provides a kind of super-tonnage static test anchoring pile counterforce device, The super-tonnage static test anchoring pile counterforce device can not only be reused, and greatly reduce anchoring pile reinforcing bar and reaction beam A large amount of welding job when connection effectively increases working efficiency, and can effectively improve experiment tonnage.
The technical solution adopted in the utility model is:A kind of super-tonnage static test anchoring pile counterforce device, for pair Foundation pile carries out static test, including is across on test pile in two crossbeams that right-angled intersection pile is folded, is arranged in adjacent around test pile The counter-force anchoring pile and connecting cross beam of setting and the connected mechanism of counter-force anchoring pile;It is equipped between the crossbeam and test pile for carrying For the jack of loading force, and in the top of jack, pressure sensor is set;The connected mechanism includes being placed in above crossbeam More upper cross-arms, be placed in more lower cross-arms of below the crossbeam, and the leading screw of the upper and lower cross-arm of connection;More upper cross-arms with Crossbeam is fixedly connected, and more upper cross-arms are mutually parallel and are arranged with beam vertical;The more bottom end rails are solid with counter-force anchoring pile Fixed connection, and more lower cross-arms and more upper cross-arm arrangements, quantity all sames;The leading screw is vertically arranged, and the both ends of leading screw It is connect respectively with upper and lower cross-arm by the nut to match with leading screw.
It is further limited as to above-mentioned technical proposal, bearing plate is equipped between the jack and test pile, in very heavy It also is provided with bearing plate between the pressure sensor and crossbeam at top.
It is further limited as to above-mentioned technical proposal, the rectangular of quadrangular frustum pyramid shaped protrusion is equipped with centered on the crossbeam Body, and the protrusion of two crossbeam pile poststack quadrangular frustum pyramid shapeds is directed away from the direction for piling up contacting surface of splicing.
Further limited as to above-mentioned technical proposal, be fixed with above the lower cross-arm in it is horizontally disposed and with The lower vertically disposed more cross bars of cross-arm, be distributed on the cross bar it is multiple match with bar diameter in counter-force anchoring pile it is reserved Hole, and reinforcing bar passes through one end of preformed hole to be equipped with external screw thread, external screw thread is equipped with can be to the fixed nut of reinforcing bar.
Using above-mentioned technology, the utility model has the advantage of:
Super-tonnage static test anchoring pile counterforce device described in the utility model, two folded by right-angled intersection pile Counter-force anchoring pile is connected by the connected mechanism at crossbeam and crossbeam both ends with test pile, while jack is arranged between test pile and crossbeam and gives Loading force is given, because crossbeam, counter-force anchoring pile and test pile are fixed, so as the loading force that jack gives crossbeam is continuously improved, examination Stake is also continuously improved by downward opposition, thus can realize and pile up folded crossbeam, counter-force anchor using two right-angled intersections The opposition that stake and the connected mechanism between crossbeam and counter-force anchoring pile provide to carry out static test to test pile;And The leading screw that the device is connected in mechanism can realize being flexibly connected for crossbeam and counter-force anchoring pile, not only avoid in traditional experiment excessively Welding and cutting quantities, effectively increase working efficiency, while can also be adjusted between crossbeam and counter-force anchoring pile by lead screw Distance, so that it is adaptable in a variety of experiment occasions;In addition, the installation cost has apparent drop with respect to traditional experiment installation cost It is low, and the step of reducing experiment, and it can be effectively increased the stress-bearing capability of counter-force anchoring pile and crossbeam, experiment tonnage is improved, is subtracted The size of small counter-force anchoring pile and crossbeam reduces difficulty of construction and construction cost.
The setting of bearing plate described in the utility model can effectively increase the contact area of jack and test pile and very heavy The contact area on top and crossbeam reduces the pressure of jack pair test pile and crossbeam to increase forced area;Jack is logical simultaneously It crosses bearing plate and gives crossbeam and test pile active force, crossbeam and test pile stress can be made evenly, can be prevented so during experiment Only when the loading force of jack is excessive device because stress concentrate it is defeated and dispersed due to lead to test failure.
It is equipped with the setting of quadrangular frustum pyramid shaped protrusion cuboid centered on crossbeam described in the utility model, crossbeam can be made effectively to divide The loading force that scattered jack is given makes the bearing capacity of crossbeam be improved, to which experiment tonnage can be improved.
Reinforcing bar described in the utility model passes through the fixed setting of nut with connected mechanism so that anchoring pile counterforce device and counter-force Be movably connected mode between anchoring pile, consequently facilitating anchoring pile counterforce device in the dismounting on counter-force anchoring pile, can not only effectively improve Working efficiency, and device is reusable, not only saves entreprise cost, and also effectively prevent the waste of resource.
Description of the drawings
Fig. 1 is the structural schematic diagram of the utility model embodiment;
Fig. 2 is the front view of the utility model embodiment;
Fig. 3 is the left view of the utility model embodiment.
In figure:1- test piles;2- crossbeams;3- jack;4- pressure sensors;5- counter-force anchoring piles;6- is connected mechanism;7- is upper horizontal Load;Cross-arm under 8-;9- leading screws;10- bearing plates;11- cross bars.
Specific implementation mode
Below in conjunction with the accompanying drawings and specific embodiment the utility model is described in further detail.
As shown in Figs. 1-3, which includes being across on test pile 1 to hand in cross Two folded crossbeams 2 of fork pile, are arranged in the counter-force anchoring pile 5 being disposed adjacent around test pile 1 and connecting cross beam 2 and counter-force anchoring pile 5 Connected mechanism 6.The jack 3 for providing loading force is equipped between the crossbeam 2 and test pile 1.Crossbeam is given in jack 3 When 2 active force, because crossbeam 2 is connected by the mechanism 6 that is connected with counter-force anchoring pile 5, so crossbeam 2 is in counter-force anchoring pile 5 and fixing mechanism It can give jack 3 opposition under effect, which can be transmitted to test pile 1 by jack 3, and with jack 3 loading forces for giving crossbeam 2 are continuously improved, and test pile 1 is also continuously improved by downward opposition, thus can then complete pair The static test of test pile 1.
The cuboid of quadrangular frustum pyramid shaped protrusion is equipped with centered on the crossbeam 2, and two crossbeams 2 pile up poststack quadrangular frustum pyramid shaped Protrusion is directed away from the direction for piling up contacting surface of splicing.It is equipped with the setting of quadrangular frustum pyramid shaped protrusion cuboid centered on crossbeam 2, cross can be made The loading force that effectively dispersion jack 3 is given of beam 2, makes the bearing capacity of crossbeam 2 be improved, to which experiment tonnage can be improved.
The connected mechanism 6 includes more upper cross-arms 7 for being placed in 2 top of crossbeam, more lower cross-arms for being placed in 2 lower section of crossbeam 8 and connection upper cross-arm 7 and lower cross-arm 8 leading screw 9.The more upper cross-arms 7 are fixedly connected with crossbeam 2, and more upper cross Load 7 is mutually parallel and is vertically arranged with crossbeam 2.The more lower cross-arms 8 are fixedly connected with counter-force anchoring pile 5, and more lower cross-arms 8 go up the arrangement of cross-arms 7, quantity all sames with more.The leading screw 9 is vertically arranged, and the both ends of leading screw 9 by with 9 phase of leading screw The nut matched is connect with upper cross-arm 7 and lower cross-arm 8 respectively, in this way, the work between crossbeam 2 and counter-force anchoring pile 5 then can be achieved in leading screw 9 Dynamic connection, in so avoiding welding excessive in traditional experiment and cutting quantities, effectively increase working efficiency, simultaneously Also the distance between crossbeam 2 and counter-force anchoring pile 5 can be adjusted by leading screw 9, it is made to be adaptable in a variety of experiment occasions.
Further, bearing plate 10 is equipped between the jack 3 and test pile 1, the pressure sensor in 3 top of jack Bearing plate 10 also is provided between 4 and crossbeam 2.The setting of bearing plate 10 can effectively increase the contact area of jack 3 and test pile 1, And the contact area of jack 3 and crossbeam 2 reduces pressure of the jack 3 to test pile 1 and crossbeam 2 to increase forced area By force;Jack 3 gives crossbeam 2 and test pile 1 active force by bearing plate 10 simultaneously, and crossbeam 2 and 1 stress of test pile can be made more equal It is even, can be prevented so during experiment when the loading force of jack 3 is excessive device because stress concentrate it is defeated and dispersed due to cause to test Failure.
In addition, the top of lower cross-arm 8 be fixed in it is horizontally disposed and with the vertically disposed more cross bars 11 of lower cross-arm 8, institute It states and multiple preformed holes to match with bar diameter in counter-force anchoring pile 5 is distributed on cross bar 11, and reinforcing bar passes through the one of preformed hole End is equipped with external screw thread, and external screw thread is equipped with can be to the fixed nut of reinforcing bar.Reinforcing bar is set with connected mechanism 6 by the way that nut is fixed It sets so that be movably connected mode between anchoring pile counterforce device and counter-force anchoring pile 5, consequently facilitating anchoring pile counterforce device is in counter-force anchor Dismounting in stake 5, can not only effectively improve working efficiency, and device is reusable, not only save entreprise cost, and also effective Avoid the waste of resource.
Super-tonnage static test described in the utility model anchoring pile counterforce device is in use, by the bottom of jack 3 1 top of test pile abuts against, and the reinforcing bar in counter-force anchoring pile 5 is passed through to the preformed hole of cross bar 11 in the connected mechanism 6 in 2 both ends of crossbeam In, then reinforcing bar is fixed in the preformed hole of cross bar 11 by the nut to match with external screw thread on reinforcing bar;Pass through jack 3 Give crossbeam 2 upward power, because crossbeam 2 is fixed by the mechanism 6 that is connected with counter-force anchoring pile 5, so crossbeam 2 can pass through jack 3 Give test pile 1 opposition, to complete the static test to test pile 1.It, only need to be by nut from counter-force anchoring pile after experiment It is removed on reinforcing bar in 5, and reinforcing bar is extracted out from the preformed hole of 6 cross bar 11 of connected mechanism, you can dismounting is completed, thus will be whole A device, which is moved at next test pile 1, connect reinforcing bar in test pile 1 with connected mechanism 6, can proceed with static test.It should Installation cost is substantially reduced with respect to traditional experiment installation cost, and the step of reducing experiment, and can be effectively increased counter-force The stress-bearing capability of anchoring pile 5 and crossbeam 2 improves experiment tonnage, reduces the size of counter-force anchoring pile 5 and crossbeam 2, reduce difficulty of construction and Construction cost.
The foregoing is merely the preferred embodiment of the utility model, but the scope of protection of the utility model is not limited to This, any technical person familiar with the field within the technical scope disclosed by the utility model, technology according to the present utility model Design is subject to the technical solution obtained by equivalent substitution or change, should all be covered by the scope of protection of the utility model.

Claims (4)

1. a kind of super-tonnage static test anchoring pile counterforce device, it is characterised in that:It is handed in cross including being across on test pile Two folded crossbeams of fork pile are arranged in consolidating for the counter-force anchoring pile being disposed adjacent around test pile and connecting cross beam and counter-force anchoring pile Even mechanism;It is equipped with the jack for providing loading force between the crossbeam and test pile, and pressure is set in the top of jack Sensor;The connected mechanism includes more upper cross-arms being placed in above crossbeam, is placed in more lower cross-arms of below the crossbeam, and even Connect the leading screw of upper and lower cross-arm;The more upper cross-arms are fixedly connected with crossbeam, and more upper cross-arms are mutually parallel and and crossbeam It is vertically arranged;The more bottom end rails are fixedly connected with counter-force anchoring pile, and more lower cross-arms and more upper cross-arm arrangements, quantity are equal It is identical;The leading screw is vertically arranged, and the both ends of leading screw are connect with upper and lower cross-arm respectively by the nut to match with leading screw.
2. super-tonnage static test anchoring pile counterforce device according to claim 1, it is characterised in that:The jack It is equipped with bearing plate between test pile, bearing plate also is provided between the pressure sensor and crossbeam at the top of jack.
3. super-tonnage static test anchoring pile counterforce device according to claim 1, it is characterised in that:The crossbeam is Be equipped with the cuboid of quadrangular frustum pyramid shaped protrusion at center, and two crossbeams pile up poststack quadrangular frustum pyramid shapeds protrusion be directed away from pile splice it is tactile The direction in face.
4. super-tonnage static test anchoring pile counterforce device according to claim 1, it is characterised in that:The lower cross-arm Top be fixed in it is horizontally disposed and with the vertically disposed more cross bars of lower cross-arm, be distributed on the cross bar it is multiple with it is anti- The preformed hole that bar diameter matches in power anchoring pile, and reinforcing bar passes through one end of preformed hole to be equipped with external screw thread, external screw thread is equipped with It can be to the fixed nut of reinforcing bar.
CN201721917451.7U 2017-12-29 2017-12-29 Anchor pile counterforce device for super-tonnage static load test Active CN207672637U (en)

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Application Number Priority Date Filing Date Title
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Application Number Priority Date Filing Date Title
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Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110241866A (en) * 2019-05-24 2019-09-17 中铁大桥局集团第五工程有限公司 A kind of general counterforce device of large-tonnage test pile and auxiliary counterforce device
CN110847255A (en) * 2019-11-27 2020-02-28 中铁城投工程技术有限公司 Pile foundation quality detection device and method
CN111139879A (en) * 2020-03-20 2020-05-12 淮安市建筑工程质量检测中心有限公司 All-round electromechanical integrated foundation pile bearing capacity detection system and method
CN111424736A (en) * 2020-05-08 2020-07-17 四川恒固建设工程检测有限公司 Anchor pile beam reaction device
CN111576472A (en) * 2020-06-11 2020-08-25 上海市机械施工集团有限公司 Anti-pulling device and construction method thereof
CN111650047A (en) * 2020-07-09 2020-09-11 中国水利水电科学研究院 A vertical reaction force loading device for large-tonnage soil material load test and its loading method
CN112854324A (en) * 2021-02-08 2021-05-28 上海同济检测技术有限公司 Simulation test equipment and method for ultra-large load anchor pile cross beam counterforce device
CN113417321A (en) * 2021-07-01 2021-09-21 中机国能电力工程有限公司 Static load test counter-force device
CN114150662A (en) * 2021-11-19 2022-03-08 安徽省建筑科学研究设计院 Quick anchor pile joint and anchor pile connecting structure
CN115308031A (en) * 2022-08-05 2022-11-08 安徽省交通控股集团有限公司 A kind of test loading device and test method for beams with large tonnage and small shear-span ratio

Cited By (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110241866A (en) * 2019-05-24 2019-09-17 中铁大桥局集团第五工程有限公司 A kind of general counterforce device of large-tonnage test pile and auxiliary counterforce device
CN110847255B (en) * 2019-11-27 2021-04-23 中铁城投工程技术有限公司 Pile foundation quality detection method
CN110847255A (en) * 2019-11-27 2020-02-28 中铁城投工程技术有限公司 Pile foundation quality detection device and method
CN111139879A (en) * 2020-03-20 2020-05-12 淮安市建筑工程质量检测中心有限公司 All-round electromechanical integrated foundation pile bearing capacity detection system and method
CN111139879B (en) * 2020-03-20 2021-07-06 淮安市建筑工程质量检测中心有限公司 All-round electromechanical integrated foundation pile bearing capacity detection system and method
CN111424736A (en) * 2020-05-08 2020-07-17 四川恒固建设工程检测有限公司 Anchor pile beam reaction device
CN111576472A (en) * 2020-06-11 2020-08-25 上海市机械施工集团有限公司 Anti-pulling device and construction method thereof
CN111650047B (en) * 2020-07-09 2020-12-22 中国水利水电科学研究院 A vertical reaction force loading device for large-tonnage soil material load test and its loading method
CN111650047A (en) * 2020-07-09 2020-09-11 中国水利水电科学研究院 A vertical reaction force loading device for large-tonnage soil material load test and its loading method
CN112854324A (en) * 2021-02-08 2021-05-28 上海同济检测技术有限公司 Simulation test equipment and method for ultra-large load anchor pile cross beam counterforce device
CN113417321A (en) * 2021-07-01 2021-09-21 中机国能电力工程有限公司 Static load test counter-force device
CN114150662A (en) * 2021-11-19 2022-03-08 安徽省建筑科学研究设计院 Quick anchor pile joint and anchor pile connecting structure
CN115308031A (en) * 2022-08-05 2022-11-08 安徽省交通控股集团有限公司 A kind of test loading device and test method for beams with large tonnage and small shear-span ratio

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Address after: 056108 Dinanbao Village, Handan City, Hebei Province (Northwest corner of Dai Zhaowei 7th Road and Lin Xiangru Street intersection in Handan Industrial Park)

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Address before: 056108 Dinanbao Village, Handan City, Hebei Province (Handan Industrial Park, northwest corner of the intersection of Dai Zhaowei 7th Road and Lin Xiangru Street)

Patentee before: Handan Luyuan construction engineering detection Co Ltd

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Address after: 056108 Dinanbao Village, Handan City, Hebei Province (Northwest corner of Dai Zhaowei 7th Road and Lin Xiangru Street intersection in Handan Industrial Park)

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Address before: 056108 Dinanbao Village, Handan City, Hebei Province (Northwest corner of Dai Zhaowei 7th Road and Lin Xiangru Street intersection in Handan Industrial Park)

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