CN206143824U - Pile foundation static test loading system - Google Patents

Pile foundation static test loading system Download PDF

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Publication number
CN206143824U
CN206143824U CN201621181249.8U CN201621181249U CN206143824U CN 206143824 U CN206143824 U CN 206143824U CN 201621181249 U CN201621181249 U CN 201621181249U CN 206143824 U CN206143824 U CN 206143824U
Authority
CN
China
Prior art keywords
anchor
pile foundation
steel
pile
cushion cap
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CN201621181249.8U
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Chinese (zh)
Inventor
王磊
韩之江
郭学兵
刘志华
赵雷
汪永强
何国花
傅莉
毛敏
陈栋栋
申雁鹏
吕立宁
谢立安
卢鹏
寇伟
赵文溥
刘媛媛
赵芳
赵学峰
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Shanxi Province Transport Science Research Institute
Original Assignee
Shanxi Province Transport Science Research Institute
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Shanxi Province Transport Science Research Institute filed Critical Shanxi Province Transport Science Research Institute
Priority to CN201621181249.8U priority Critical patent/CN206143824U/en
Application granted granted Critical
Publication of CN206143824U publication Critical patent/CN206143824U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The utility model relates to a pile foundation static test loading system. The base is including testing pile, hydraulic jack is settled at testing pile's top surface center, the levelling of the upper and lower use leveling steel sheet of hydraulic jack, and hydraulic jack's top is supported in the center of carrier bar bottom surface, and testing pile's top surface installation percentage table sets up the anchor beam on the carrier bar, and mooring anchor backing plate on the anchor beam, steel strand wires anchor end fix on the anchor backing plate through the P anchor on, the pre -buried steel sheet on put more energy into structural steel frame and the cushion cap welds, uses two center hole jack to carry out steel strand stretching. Compared with the prior art, pile foundation static test loading system set up anchor end on steel strand stretching end, the anchor beam through setting up on the cushion cap, bear by the cushion cap the reaction force of pile foundation static load is direct, can show improvement pile foundation static test efficiency and performance accuracy, and easy operation, the construction is quick, the structure is reliable, economy is practiced thrift, can provide the new method for pile foundation static test's in the actual engineering load.

Description

A kind of dead load test on pile foundation loading system
Technical field
This utility model belongs to pile foundation detection field, it particularly relates to arrive a kind of dead load test on pile foundation loading system System.
Background technology
Dead load test on pile foundation is it is determined that in terms of ultimate bearing capacity of single pile, be presently the most accurate, reliable detection method.With The extensive application of the increasing year by year of infrastructure construction scale, particularly drilled pile in engineering, the static load of pile foundation of China is made Detection technique enters a brand-new developing period.
In dead load test on pile foundation, act on the load in stake and typically provided by counterforce device, the easy-to-use degree of counterforce device Directly affect the process and result of test.Preloading counterforce device the most frequently used at present is to arrange a load-bearing in stake top with girder steel to put down Platform, heap weight on platform, by the jack being placed on pile crown, by platform, progressively item rises, so as to exert a force to pile body, preloading Weight can be drawn materials conveniently from sand pocket, concrete precast block etc., simple to operate, it is not necessary to too big input.But dress High labor intensive, long construction period when bag, load-bearing, loading and unloading, are affected that larger (sandbag can increase lotus after drenching with rain by weather Carry), cause that test efficiency is relatively low, precision is not high.
The content of the invention
To solve above-mentioned technical problem, this utility model provides a kind of big, little by external interference with tonnage is carried Dead load test on pile foundation loading system.
A kind of dead load test on pile foundation loading system described in the utility model, the loading system includes test pile 1, leveling Steel plate 2, hydraulic jack 3, dial gauge 4, carrier bar 5, anchor beam 6, anchor plate 7, P anchors 8, steel strand wires 9, structural steel frame 10 of putting more energy into, Centre-hole jack 11, pre-embedded steel slab 12 and cushion cap 13;The hydraulic jack 3 is distinguished by the leveling steel plate 2 of its above and below It is connected with the bottom center of carrier beam 5 and the end face center of test pile 1;The both sides of the hydraulic jack 3 are also separately installed with dial gauge 4; 5 two ends are respectively provided with anchor beam 6 on the carrier bar;Anchor plate 7 is fixed with the anchor beam 6, the top of backing plate 7 is provided with P anchors 8; The upper anchored end of the steel strand wires 9 is fixed on anchor plate 7 by P anchors 8;It is pre- on put more energy into structural steel frame 10 and the cushion cap 13 Bury steel plate 12 to be fixedly connected;The lower stretching end of the steel strand wires 9 is connected with centre-hole jack 11, and the centre-hole jack 11 is consolidated Surely it is located at and puts more energy in structural steel frame 10.
A kind of dead load test on pile foundation loading system described in the utility model, structural steel frame 10 and the pre-embedded steel slab of putting more energy into 12 welding.
A kind of dead load test on pile foundation loading system described in the utility model, the lower stretching end of the steel strand wires 9 and Liang Tai Centre-hole jack 11 connects.
When in use, can carry out in accordance with the following steps:(1) pre-embedded steel slab, pre-buried steel are installed in advance during bearing platform construction Plate is combined reliable with cushion cap;(2) structural steel frame of putting more energy into is welded to connect with pre-embedded steel slab, put more energy into structural steel frame position and steel strand wires position Put consistent;(3) leveling steel plate, hydraulic jack and dial gauge are installed successively in test pile top;(4) after carrier bar is in place, anchor beam It is welded to connect with carrier bar;(5) anchor plate is fixed on anchor beam, steel strand anchoring end is anchored on anchor plate by P; (6) steel strand wires are penetrated after centre-hole jack, carry out pre- tensioning to steel strand wires in place.
Compared with prior art, dead load test on pile foundation loading system described in the utility model on cushion cap by arranging steel Anchored end is set on twisted wire stretching end, anchor beam, the counteracting force of static load of pile foundation is directly undertaken by cushion cap, with carrying tonnage Greatly, by external interference it is little the advantages of, can significantly improve dead load test on pile foundation efficiency and constructing operation precision, and it is simple to operate, Construction is quick, structure is reliable, economy, can provide a kind of new method for the loading of Practical Project pile foundation static test.
Description of the drawings
Fig. 1:Dead load test on pile foundation loading system figure;Fig. 2:Anchor beam is connected horizontal partial enlarged drawing with carrier bar;1- is tested Stake, 2- leveling steel plates, 3- hydraulic jacks, 4- dial gauges, 5- carrier bars, 6- anchor beams, 7- anchor plates, 8-P anchors, 9- steel strand wires, 10- puts more energy into structural steel frame, 11- centre-hole jacks, 12- pre-embedded steel slabs, 13- cushion caps.
Specific embodiment
Dead load test on pile foundation described in the utility model loading is described further with reference to specific embodiment, but It is that protection domain of the present utility model is not limited to this.
Embodiment 1
A kind of dead load test on pile foundation loading system, the loading system includes test pile 1, leveling steel plate 2, hydraulic jack 3rd, dial gauge 4, carrier bar 5, anchor beam 6, anchor plate 7, P anchors 8, steel strand wires 9, structural steel frame 10 of putting more energy into, centre-hole jack 11, pre- Bury steel plate 12 and cushion cap 13;The hydraulic jack 3 by the leveling steel plate 2 of its above and below respectively with the bottom center of carrier beam 5 and The end face center of test pile 1 connects;The both sides of the hydraulic jack 3 are also separately installed with dial gauge 4;5 two ends on the carrier bar It is respectively provided with anchor beam 6;Anchor plate 7 is fixed with the anchor beam 6, the top of backing plate 7 is provided with P anchors 8;The upper anchor of the steel strand wires 9 Fixed end is fixed on anchor plate 7 by P anchors 8;The structural steel frame 10 of putting more energy into is welded with the pre-embedded steel slab 12 on cushion cap 13;It is described The lower stretching end of steel strand wires 9 carries out one-end tension using two centre-hole jacks 11, and the centre-hole jack 11 is fixed and is located at Put more energy in structural steel frame 10.
When in use, can carry out in accordance with the following steps:(1) pre-embedded steel slab, pre-buried steel are installed in advance during bearing platform construction Plate is combined reliable with cushion cap;(2) structural steel frame of putting more energy into is welded to connect with pre-embedded steel slab, put more energy into structural steel frame position and steel strand wires position Put consistent;(3) leveling steel plate, hydraulic jack and dial gauge are installed successively in test pile top;(4) after carrier bar is in place, anchor beam It is welded to connect with carrier bar;(5) anchor plate is fixed on anchor beam, steel strand anchoring end is anchored on anchor plate by P; (6) steel strand wires are penetrated after centre-hole jack, carry out pre- tensioning to steel strand wires in place.
Compared with prior art, dead load test on pile foundation loading system described in the utility model on cushion cap by arranging steel Anchored end is set on twisted wire stretching end, anchor beam, the counteracting force of static load of pile foundation is directly undertaken by cushion cap, with carrying tonnage Greatly, by external interference it is little the advantages of, can significantly improve dead load test on pile foundation efficiency and constructing operation precision, and it is simple to operate, Construction is quick, structure is reliable, economy, can provide new method for the loading of Practical Project pile foundation static test.

Claims (3)

1. a kind of dead load test on pile foundation loading system, it is characterised in that the loading system includes test pile (1), leveling steel plate (2), hydraulic jack (3), dial gauge (4), carrier bar (5), anchor beam (6), anchor plate (7), P anchors (8), steel strand wires (9), put more energy into Structural steel frame (10), centre-hole jack (11), pre-embedded steel slab (12) and cushion cap (13);The hydraulic jack (3) is by it The leveling steel plate (2) of above and below is connected respectively with carrier beam (5) bottom center and test pile (1) end face center;Hydraulic jack (3) both sides are also separately installed with dial gauge (4);Carrier bar (5) two ends are respectively provided with anchor beam (6);Anchor beam is fixed with anchor pad on (6) Plate (7), backing plate (7) top is provided with P anchors (8);The upper anchored end of steel strand wires (9) is fixed on anchor plate (7) by P anchors (8); Structural steel frame (10) of putting more energy into is fixedly connected with the pre-embedded steel slab (12) on cushion cap (13);The lower stretching end of the steel strand wires (9) with Centre-hole jack (11) connects, and centre-hole jack (11) fixation is located in structural steel frame of putting more energy into (10).
2. dead load test on pile foundation loading system according to claim 1, it is characterised in that the structural steel frame of putting more energy into (10) With pre-embedded steel slab (12) welding.
3. dead load test on pile foundation loading system according to claim 1, it is characterised in that lower of the steel strand wires (9) Pull end is connected with two centre-hole jacks (11).
CN201621181249.8U 2016-11-02 2016-11-02 Pile foundation static test loading system Expired - Fee Related CN206143824U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201621181249.8U CN206143824U (en) 2016-11-02 2016-11-02 Pile foundation static test loading system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201621181249.8U CN206143824U (en) 2016-11-02 2016-11-02 Pile foundation static test loading system

Publications (1)

Publication Number Publication Date
CN206143824U true CN206143824U (en) 2017-05-03

Family

ID=58624088

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201621181249.8U Expired - Fee Related CN206143824U (en) 2016-11-02 2016-11-02 Pile foundation static test loading system

Country Status (1)

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CN (1) CN206143824U (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107447796A (en) * 2017-08-11 2017-12-08 中国港湾工程有限责任公司 Static load test pile counter force system
CN108930267A (en) * 2018-08-02 2018-12-04 陕西建工机械施工集团有限公司 A kind of anchor pile structure and single pile bearing capacity device

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107447796A (en) * 2017-08-11 2017-12-08 中国港湾工程有限责任公司 Static load test pile counter force system
CN108930267A (en) * 2018-08-02 2018-12-04 陕西建工机械施工集团有限公司 A kind of anchor pile structure and single pile bearing capacity device

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GR01 Patent grant
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20170503

Termination date: 20181102