CN105155596B - Inclined steel-pipe pile load box test structure and method of testing - Google Patents
Inclined steel-pipe pile load box test structure and method of testing Download PDFInfo
- Publication number
- CN105155596B CN105155596B CN201510493055.5A CN201510493055A CN105155596B CN 105155596 B CN105155596 B CN 105155596B CN 201510493055 A CN201510493055 A CN 201510493055A CN 105155596 B CN105155596 B CN 105155596B
- Authority
- CN
- China
- Prior art keywords
- pipe pile
- inclined steel
- load box
- steel
- helical pitch
- 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.)
- Active
Links
Classifications
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D33/00—Testing foundations or foundation structures
Landscapes
- 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)
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
- Placing Or Removing Of Piles Or Sheet Piles, Or Accessories Thereof (AREA)
- Investigation Of Foundation Soil And Reinforcement Of Foundation Soil By Compacting Or Drainage (AREA)
Abstract
Inclined steel-pipe pile self-balancing approach test structure, including inclined steel-pipe pile, is located at inclined steel-pipe pile internal loading case, it is characterised in that：Overhead gage and lower baffle plate are installed in the inclined steel-pipe pile, on the lower baffle plate, offer chute；Helical pitch steel wire is extended to below chute through load box and is connected with block in its bottom, and the inclined steel-pipe pile top is provided with helical pitch ring, and helical pitch steel wire extends to the top of inclined steel-pipe pile and setting fastening is on helical pitch ring；Compared with prior art, it is an advantage of the invention that：The construction of this device is simple, while the angle of the tilt adjustable section datum line beam particular for inclined steel-pipe pile, makes both quickly correspond to；After the completion of construction, load box can be drawn out recycling, be suitable for promoting the use of.
Description
Technical field
The invention belongs to Bridge Inspection field, and in particular to a kind of inclined steel-pipe pile load box test structure and test side
Method.
Background technology
Load box is a kind of special charger of building trade pile foundation bearing capacity self-balance test, is one group
The structural assembly of (one or more) jack (pressure unit).Common load box, is generally divided into the conventional oil of slipper seal
Cylinder (piston type or plunger type) is for working cell and with the pressure unit of cavate sealing as working cell two types.Based on cavate
The advantage of Sealing Technology, in the application in pile measurement field, cavate pressure unit has in high volume replaced traditional slip close
The jack of envelope.
Patent application publication CN103147465A discloses a kind of load box for the test of open caisson self-balancing approach, including
Hydraulic oil pipe and hydraulic loading device that load casing, hydraulic jack and hydraulic jack are sequentially connected；The load casing includes
Upper doughnut-shaped steel plate, lower doughnut-shaped steel plate, outer ring baffle, annular baffle plate, wherein, upper doughnut-shaped steel plate and lower doughnut-shaped steel plate phase up and down
To arranging, annular baffle plate and outer ring baffle are respectively provided at inner side and the periphery of doughnut-shaped steel plate and lower doughnut-shaped steel plate, and with
Upper doughnut-shaped steel plate and lower doughnut-shaped steel plate constitute closed casing, when hydraulic jack is preloaded, upper doughnut-shaped steel plate and lower annular steel
Plate each can be moved up and down；The hydraulic jack is located in load box body, and the bottom of hydraulic jack is connected on lower doughnut-shaped steel plate,
The piston of hydraulic jack is contacted with upper doughnut-shaped steel plate；The load box for the test of open caisson self-balancing approach is also included for testing
Upper doughnut-shaped steel plate and the displacement transfer device of lower doughnut-shaped steel plate displacement.
It is a kind of by the well-designed load box that can be used for loading, the device using the topmost device of self-balancing peg
The hydraulic jack of the main positioning load-bearing steel plate by connection two sections pile crown and inside is constituted.Load box is fixed on steel
At stake equalization point computed in advance, pressed by built-in hydraulic jack, upper location-plate and hypomere stake is promoted, realize up and down
Two section stakes are moved respectively up and down, are delivered to ground by the displacement transfer device being connected on load box by displacement signal
Face, draws corresponding curve according to reading, judges pile bearing capacity, pile foundation settlement, stake elastic compression and ground plastic deformation.Pass through
Both sides are embedded in the reinforcing steel strain gauge in pile body in advance, can through reasoning obtain the pile shaft force at each stake interface under load at different levels,
Frictional resistance is with load and the transfer law of change in depth.
One of feature of inclined steel-pipe pile is exactly that pile body is angled with gravity vertical, can play withdrawal resistance and ship pulls in shore
When horizontal impact power be transferred to rock stratum.Apply on long piled wharf than wide, in addition as footbridge, stable in order to increase which
Property, resist horizontal thrust and other horizontal force of the river waterflow to walking Bridge Foundation, be also adopted by inclined steel-pipe pile, must for, its
Construction difficulty is higher.
Inclined steel-pipe pile majority is squeezed into opening, and soil can be poured in inside steel-pipe pile, in addition can produce larger piling impact
Power, makes to be deformed at load box special joint, causes load box displacement to occur the changing of the relative positions be tested, and load box has been tested
After can not take out recycling, for specific load box, its processing cost and resource are relatively not environmentally.
Content of the invention
The present invention is for the shortcoming of prior art, it is proposed that a kind of inclined steel-pipe pile load box test structure and method of testing,
The structure and method simple structure, easy to operate, it is suitable for promoting the use of.
For realizing the purpose of the present invention, the technical solution used in the present invention is：
Inclined steel-pipe pile load box test structure, including inclined steel-pipe pile, is located at inclined steel-pipe pile internal loading case, it is characterised in that：
Overhead gage and lower baffle plate are installed in the inclined steel-pipe pile, on the lower baffle plate, offer chute；Helical pitch steel wire passes through load box
Extending to below chute and block being connected with its bottom, the inclined steel-pipe pile top is provided with helical pitch ring, helical pitch steel wire is extended to
The top of inclined steel-pipe pile simultaneously passes through helical pitch ring；
Datum line beam is provided with above the inclined steel-pipe pile, described datum line beam one end is provided with pivoting support one, pivoting support one
Lower section is provided with lift, and the datum line beam other end is provided with pivoting support two；Magnetic gauge stand is fixed with the datum line beam,
Displacement transducer is provided with below Magnetic gauge stand, is connected with displacement bar below displacement transducer；The displacement bar totally 4, wherein：Two
The upper plate of individual displacement bar connection load box is shifted up for measurement, and the lower shoe of two other displacement bar connection load box is used
In measurement to bottom offset, digital angle instrument on the pivoting support two, is also equipped with, datum line beam is provided with through hole, the suspension hook peace
It is mounted in through hole.
Preferentially, the internal diameter of the overhead gage is more than the internal diameter of lower baffle plate；Supporting construction is also equipped with the load box.
Preferentially, the supporting construction includes fagging and the fixed block being connected to above upper plate, and shifting chute is located at fagging
Both sides, are hinge structure between the fagging and fixed block, and fagging can rotate around fixed block, be provided with the shifting chute
Suspension hook block, connecting rope are connected to above suspension hook block and extend on the outside of inclined steel-pipe pile.
Based on said apparatus, the invention allows for a kind of inclined steel-pipe pile load box test structure method of testing, its feature
It is, comprises the following steps：
1) inclined steel-pipe pile is set, and the sediment in inclined steel-pipe pile is removed with reacting cycle sediment separator clean；
2) by helical pitch steel wire through load box and helical pitch ring, load box is made to move down into lower baffle plate along the track of helical pitch steel wire
On, in load box folding process, connecting rope is in tension, so that fagging is upturned, is easy to supporting construction to pass through
Overhead gage；
3) start reference for installation beam, suspension hook lifting datum line beam movement is hooked by handling apparatus and be installed to setting position, lead to
Crossing lift lift adjustment makes datum line beam so that displacement bar is parallel to each other with inclined steel-pipe pile, and the angles of display for reading digital inclinometer is true
Recognize displacement bar whether parallel with inclined steel-pipe pile, and displacement transducer is set, and connect data collecting instrument；
4) loosen connecting rope, make in 90 degree between fagging and fixed block, now fagging withstands inclined steel-pipe pile, and load box is consolidated
Fixed, before test, preparation terminates；
5) begin through high-pressure oil pump to be tested to oil-filled loading of load box, displacement transducer constantly detects displacement number
According to until test terminates；
6) connecting rope is tensed, constantly above carries, load box is moved on by helical pitch steel wire, is finally taken out.
Compared with prior art, it is an advantage of the invention that：The construction of this device is simple, while particular for inclined steel-pipe pile
The angle of tilt adjustable section datum line beam, makes both quickly correspond to；After the completion of construction, load box can be drawn out repetition profit
With, environmental protection, it is suitable for promoting the use of.
Description of the drawings
Now next the accompanying drawing by means of embodiment is carrying out brief description to the present invention.In accompanying drawing：
Fig. 1 shows the schematic diagram of inclined steel-pipe pile self-balancing approach test structure of the present invention；
Fig. 2 shows the structural representation of supporting construction of the present invention；
Fig. 3 shows the structural representation of datum line beam of the present invention；
Fig. 4 shows structural representation of the suspension hook of the present invention on datum line beam.
Specific embodiment
With reference to specific embodiment, the present invention is described in detail.Following examples will be helpful to the technology of this area
Personnel further understand the present invention, but the invention is not limited in any way.It should be pointed out that the ordinary skill to this area
For personnel, without departing from the inventive concept of the premise, some deformation and improvement can also be made.These belong to the present invention
Protection domain.
Embodiment 1
As illustrated, inclined steel-pipe pile load box test structure, including inclined steel-pipe pile 3, is located at 3 internal loading case 6 of inclined steel-pipe pile,
Overhead gage 8 and lower baffle plate 10 are installed in the inclined steel-pipe pile 3, the internal diameter of overhead gage 8 is more than the internal diameter of lower baffle plate 10；Such lotus
Carry case 6 and only lower baffle plate 10 can be worn by overhead gage 8, on lower baffle plate 10, offer chute 11；Helical pitch steel wire 2 passes through load box
6 extend to 11 lower section of chute and are connected with block 12 in its bottom, and 3 top of the inclined steel-pipe pile is provided with helical pitch ring 1, helical pitch steel wire
2 tops for extending to inclined steel-pipe pile 3 simultaneously pass through helical pitch ring 1, as helical pitch steel wire 2 is set for using to the limited displacement of load box 6, can
Effectively prevent load box 6 from colliding with inclined steel-pipe pile 3,2 top of helical pitch steel wire is tensed with pulley.
3 top of inclined steel-pipe pile is provided with datum line beam 17, and 17 one end of the datum line beam is provided with pivoting support 1, pivoting support
One 13 lower sections are provided with lift 14, and 17 other end of the datum line beam is provided with pivoting support 2 50；Solid on the datum line beam 17
Surely be magnetic gauge stand 18, and 18 lower section of Magnetic gauge stand is provided with displacement transducer 15, and 15 lower section of displacement transducer is connected with displacement bar 16；
The displacement bar 16 totally 4, wherein：The upper plate 4 of two displacement bars connection load boxes 6 is shifted up for measurement, and in addition two
The lower shoe 7 of individual displacement bar connection load box 6 is used for measurement to bottom offset, is also equipped with digital angle on the pivoting support 2 50
Degree instrument 51, digital angle instrument 51 connect computer by data wire, display base of the staff by data digital inclinometer 51
Whether the angle that quasi- beam 17 offsets is parallel with inclined steel-pipe pile 3 to determine displacement bar 16, and datum line beam 17 is provided with through hole 70, described hangs
In the through hole 70, the quantity of suspension hook 71 is four to hook 71, one end two and is symmetrically installed.
Supporting construction 9 is also equipped with load box 6, and supporting construction 9 includes fagging 904 and is connected to above upper plate 4
Fixed block 906, shifting chute 901 are located at 904 both sides of fagging, are hinge structure between the fagging 904 and fixed block 906, fagging
904 can rotate around fixed block 906, be provided with suspension hook block 902 in the shifting chute 901, and connecting rope is connected to suspension hook block 902
Above and extend the outside of inclined steel-pipe pile 3, connecting rope can pull fagging 904 to rotate, and connecting rope is nylon rope or steel
Cord.
Based on said apparatus, the invention allows for a kind of inclined steel-pipe pile load box test structure method of testing, including with
Lower step：
1) position that precalculated load box 6 is placed, is welded overhead gage 8 and lower baffle plate 10,2 steel-pipe weldings is arrived
One piece of formation inclined steel-pipe pile 3, sets inclined steel-pipe pile 3, and removes the sediment in inclined steel-pipe pile 3 with reacting cycle sediment separator dry
Only；
2) by helical pitch steel wire 2 through load box 6 and helical pitch ring 1, load box 6 is made to move down into along the track of helical pitch steel wire 2
On lower baffle plate 10, in 6 folding process of load box, connecting rope is in tension, so that fagging 904 is upturned, and is easy to support
Structure 9 passes through overhead gage 8；
3) start reference for installation beam 17, the lifting movement of datum line beam 17 of suspension hook 71 is hooked by handling apparatus and be installed to setting position
Put, make datum line beam 17 so that displacement bar 16 is parallel to each other with inclined steel-pipe pile 3 by 14 lift adjustment of lift, read digital inclinometer
51 angles of display confirms whether displacement bar 16 is parallel with inclined steel-pipe pile 3, and sets displacement transducer 15, and connects data
Acquisition Instrument；
4) loosen connecting rope, make in 90 degree between fagging 904 and fixed block 906, now fagging 904 withstands inclined steel-pipe pile 3,
Load box 6 is fixed, and before test, preparation terminates；
5) begin through high-pressure oil pump to be tested to oil-filled loading of load box 6, displacement transducer 15 constantly detects displacement
Data, until test terminates；
6) connecting rope is tensed, constantly above carries, load box 6 is moved on by helical pitch steel wire 2, is finally taken out.
Claims (1)
1. inclined steel-pipe pile load box test structure, including inclined steel-pipe pile (3), is located at inclined steel-pipe pile (3) internal loading case (6), and which is special
Levy and be：Overhead gage (8) and lower baffle plate (10) are installed in inclined steel-pipe pile (3), on lower baffle plate (10), offer cunning
Groove (11)；Helical pitch steel wire (2) is extended to below chute (11) through load box (6), and the bottom of helical pitch steel wire (2) is connected with gear
Block (12), inclined steel-pipe pile (3) top are provided with helical pitch ring (1), and the other end of helical pitch steel wire (2) extends to inclined steel-pipe pile (3)
Top and pass through helical pitch ring (1)；
Datum line beam (17) is provided with above inclined steel-pipe pile (3), and datum line beam (17) one end is provided with pivoting support one
(13) lift (14), is installed below pivoting support one (13), datum line beam (17) other end is provided with hinged
Seat two (50)；Magnetic gauge stand (18) is fixed with datum line beam (17), and Magnetic gauge stand is provided with displacement transducer below (18)
(15), displacement bar (16) is connected with below displacement transducer (15)；Displacement bar (16) totally 4, wherein：Two displacement bars connect
The upper plate (4) for connecing load box (6) is shifted up for measurement, the lower shoe (7) of two other displacement bar connection load box (6)
For measurement to bottom offset；Digital angle instrument is also equipped with the pivoting support two (50)
(51), datum line beam (17) is provided with through hole (70), and suspension hook (71) is in through hole (70)；
The internal diameter of overhead gage (8) is more than the internal diameter of lower baffle plate (10)；Load box (6) only can be worn by overhead gage (8)
Lower baffle plate (10), is also equipped with supporting construction (9) on load box (6)；
Described supporting construction (9) include fagging (904) and are connected to upper plate (4) fixed block (906) above, shifting chute
(901) fagging (904) both sides are located at, are hinge structure between fagging (904) and fixed block (906), fagging (904) can be around
Fixed block (906) rotates, and is provided with suspension hook block (902) in shifting chute (901), and connecting rope is connected to suspension hook block
(902) above and extend on the outside of inclined steel-pipe pile (3).
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610625868.XA CN106223373B (en) | 2015-08-12 | 2015-08-12 | Inclined steel-pipe pile load box test structure and test method |
| CN201510493055.5A CN105155596B (en) | 2015-08-12 | 2015-08-12 | Inclined steel-pipe pile load box test structure and method of testing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510493055.5A CN105155596B (en) | 2015-08-12 | 2015-08-12 | Inclined steel-pipe pile load box test structure and method of testing |
Related Child Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610625868.XA Division CN106223373B (en) | 2015-08-12 | 2015-08-12 | Inclined steel-pipe pile load box test structure and test method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105155596A CN105155596A (en) | 2015-12-16 |
| CN105155596B true CN105155596B (en) | 2017-03-08 |
Family
ID=54796614
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510493055.5A Active CN105155596B (en) | 2015-08-12 | 2015-08-12 | Inclined steel-pipe pile load box test structure and method of testing |
| CN201610625868.XA Expired - Fee Related CN106223373B (en) | 2015-08-12 | 2015-08-12 | Inclined steel-pipe pile load box test structure and test method |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610625868.XA Expired - Fee Related CN106223373B (en) | 2015-08-12 | 2015-08-12 | Inclined steel-pipe pile load box test structure and test method |
Country Status (1)
| Country | Link |
|---|---|
| CN (2) | CN105155596B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105780825B (en) * | 2016-03-28 | 2017-11-21 | 中国十七冶集团有限公司 | A kind of pile foundation construction environmental Kuznets Curves and evaluation method based on autobalanced detection experiment |
| CN107190788B (en) * | 2017-06-30 | 2019-08-23 | 中国一冶集团有限公司 | A kind of pile foundation self-balanced static-load testing displacement observation device |
| CN117309362B (en) * | 2023-11-28 | 2024-01-26 | 瑞特认证检测集团有限公司 | Integrated quick-loading pile foundation detection device and detection method thereof |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4847107B2 (en) * | 2005-11-21 | 2011-12-28 | ジャパンパイル株式会社 | Pile dynamic horizontal loading test method and dynamic horizontal loading test device |
| CN2886547Y (en) * | 2006-01-11 | 2007-04-04 | 孔清华 | Self-balancing static load measuring device for pile |
| CN101037866A (en) * | 2006-09-21 | 2007-09-19 | 王继忠 | Test methods for static load detection |
| KR101188004B1 (en) * | 2009-12-22 | 2012-10-04 | 성균관대학교산학협력단 | Loading Device For Pile Load Test |
| CN101839001B (en) * | 2010-05-27 | 2012-02-01 | 关喜才 | Compressive pile load detection device and method |
| CN102121254B (en) * | 2011-01-17 | 2012-07-18 | 东南大学 | Load box for testing bearing capacity of steel pipe pile |
| CN103758161B (en) * | 2013-08-30 | 2016-01-20 | 侯伯贵 | Pressure testing device and the pressure-measuring method of pile for prestressed pipe is measured with periphery pile tube component |
-
2015
- 2015-08-12 CN CN201510493055.5A patent/CN105155596B/en active Active
- 2015-08-12 CN CN201610625868.XA patent/CN106223373B/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| CN105155596A (en) | 2015-12-16 |
| CN106223373B (en) | 2018-09-14 |
| CN106223373A (en) | 2016-12-14 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102121254B (en) | Load box for testing bearing capacity of steel pipe pile | |
| CN105155596B (en) | Inclined steel-pipe pile load box test structure and method of testing | |
| CN102535529A (en) | Construction method of self-balancing method pile foundation bearing capacity test device | |
| CN206189478U (en) | Horizontal pile foundation single pile horizontal load test device | |
| CN104406568B (en) | Device and method for monitoring settlement of ground surface in deep water area | |
| CN209816944U (en) | Experimental device for simulating influence of foundation pit subsection excavation on tunnel | |
| CN105369836A (en) | Novel pile foundation detection method | |
| CN110158669A (en) | A kind of 3000t grades of pile foundation vertical resistance to plucking static load test method | |
| CN105862938B (en) | Inclined steel-pipe pile self-balancing approach load box test structure and test method | |
| CN202039388U (en) | Load box for testing bearing capacity of steel pipe pile | |
| CN204849858U (en) | Steel tube pile self -balance method load box test structure | |
| CN104088307A (en) | Method for detecting vertical bearing capacity of pile foundation | |
| CN204214437U (en) | Profundal zone surface subsidence monitoring device | |
| CN204849859U (en) | Bridge steel tube pile self -balance method load box test structure | |
| CN104652498A (en) | Double-umbrella prestressed pipe pile sectioned dead load test method and device | |
| CN204825999U (en) | Vertical resistance to plucking static test device of single pile | |
| CN106049561B (en) | Steel Tubes For Bridge Application taper pile self-balancing approach load box test structure and method of testing | |
| CN219430846U (en) | Load box | |
| CN105937250B (en) | Inclined steel-pipe pile self-balancing approach test structure and method of testing | |
| CN218116580U (en) | Self-balancing detection device for multilayer load box | |
| CN110117968A (en) | A kind of 4000t grades of pile foundation vertical pressure-resistant static load test method | |
| CN204849857U (en) | Steel tube pile self -balance method tests structure | |
| CN104746522B (en) | A kind of for dredging silt matter soil district foundation ditch can intelligent deformation regulation tiltedly throw support support system | |
| CN109469123A (en) | A kind of self balancing device and test method of the pile foundation level load of double jack | |
| CN107190788A (en) | A kind of pile foundation self-balanced static-load testing displacement observation device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20221202 Address after: 274000 intersection of Changjiang Road and Fuzhou Road, Heze Development Zone, Shandong Province Patentee after: SHANDONG ZHONGKENENG ARTIFICIAL ENVIRONMENT Co.,Ltd. Address before: 239000 east side of Qinglong Street, Yong Yang Road, Lai An county, Chuzhou, Anhui Patentee before: LAI'AN COUNTY XINYUAN MECHANICAL AND ELECTRICAL EQUIPMENT Co.,Ltd. |