CN203569595U - Static load test anchoring pile connecting structure - Google Patents
Static load test anchoring pile connecting structure Download PDFInfo
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- CN203569595U CN203569595U CN201320629544.5U CN201320629544U CN203569595U CN 203569595 U CN203569595 U CN 203569595U CN 201320629544 U CN201320629544 U CN 201320629544U CN 203569595 U CN203569595 U CN 203569595U
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- needle beam
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- anchoring pile
- fining twisted
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Abstract
The utility model discloses a static load test anchoring pile connecting structure which comprises anchoring devices and top tensile devices. The anchoring devices are fixedly connected with anchoring steel bars at the top ends of anchoring piles, the top tensile devices are connected with the anchoring devices through finish rolled deformed steel bars, and the finish rolled deformed steel bars are respectively in threaded connection with the anchoring devices and the top tensile devices. The static load test anchoring pile connecting structure has the advantages that secondary beams are in threaded connection with anchoring steel bars at the top ends of the anchoring piles through connecting discs, the connecting discs are only required to be fixed to the anchoring steel bars through anchoring sleeves, then the connecting discs are connected with the secondary beams through small transverse beams, small tensile transverse beams and the finish rolled deformed steel bars, the working efficiency of threaded connection is much higher than that of welding, and the engineering cost is reduced due to the fact that the connecting discs, the small transverse beams and the small tensile transverse beams can be repeatedly used; meanwhile, secondary connection is not required to be carried out on the public anchoring piles in the pile test process, the connecting structure can be repeatedly used, and the test efficiency is improved.
Description
technical field
The utility model relates to the pile foundation static loading test equipment technology field of using in civil engineering work construction, relates in particular to a kind of static loading test anchoring pile syndeton.
Background technology
Pile foundation is a kind of ancient basic pattern.Pile foundation technology has experienced the evolution of several thousand.No matter be pile foundation material and stake type, or pile foundation is mechanical and construction method has had huge development, has formed modernization Foundation Design system.In some cases, adopt pile foundation can reduce in a large number the consumption of job site workload and material.
The seventies, once there is violent earthquake several times in China.Take Tangshan Earthquake wherein as example, the building of all employing pile foundations is generally injured slightly.This explanation pile foundation distortion under seismic force effects is little, and good stability, is a kind of effective measures that solve earthquake zone soft foundation and earthquake liquefaction ground anti-seismic problem.
Dead load test on pile foundation technology is along with the use of pile foundation in architectural design more and more extensively grows up.After the foundation of new China, static load of pile foundation measuring technology just progressively grows up.Tradition static load test adopts the mode of manual pressure, manual operation, manual record to carry out.To after the eighties in 20th century, along with the step of reform and opening-up, the extensive use of the increasing year by year, particularly castinplace pile of infrastructure scale in engineering, the static load of pile foundation measuring technology of China has also entered a brand-new developing period.Dead load test on pile foundation is set up as a method, in theory incontrovertible pile foundation detection.
In dead load test on pile foundation process, particularly large-tonnage single pile Vertical Static Loading Test, adopt anchor pile beam counterforce device more and more, in traditional experiment process, anchoring pile and secondary beam connected mode adopt welded reinforcement on anchor cylinder, there is following defect in this kind of syndeton: 1, anchor bar welds by means of anchor cylinder, waste time and energy, work efficiency is lower; 2, because the reinforcing bar welding on anchor cylinder is more and more, what have is welded on reinforcing bar, and welding quality is wayward, causes anchor bar unbalance stress, and in process of the test, easily occurring fracture affects normal load, when serious, can occur security incident; 3, welding job amount is large, and material usage is large, and cost is high; If 4 driving analysis test on piles, while sharing anchoring pile, need, the reinforcing bar of anchoring pile and the welding of anchor cylinder, by the bar cutting of anchor cylinder and anchoring pile, can not share during dismounting during assembling.
Utility model content
For anchor bar welding efficiency in solution dead load test on pile foundation process is low, welding quality is wayward, easily occurs that security incident and Welder measure large problem, and the utility model provides a kind of static loading test anchoring pile syndeton.
The technical solution of the utility model is as follows: a kind of static loading test anchoring pile syndeton, comprise the anchor device being fixedly connected with the anchor bar on anchoring pile top and the top tensile device being connected by means of fining twisted steel with anchor device, fining twisted steel is all threaded with anchor device and top tensile device.
Described anchor device comprises terminal pad and at least two needle beams, the magnitude setting through hole identical with anchor bar quantity on described terminal pad, described anchor bar is through through hole setting, and on its top, arrange and the anchoring sleeve of its threaded engagement, described needle beam is symmetrically set in terminal pad below, and every needle beam two ends all vertically wear fining twisted steel, and dock with top tensile device on fining twisted steel top.
Described top tensile device comprises the tension needle beam being fixedly connected with fining twisted steel top, the quantity of the quantity of described tension needle beam and bottom needle beam equate and direction identical, two fining twisted steel tops that described and every root bottom part needle beam is connected are fixed by means of nut after passing same tension needle beam.
Described needle beam is identical with tension needle beam structure, is H shape structure, and described fining twisted steel two ends snap in respectively in the breach at needle beam and tension needle beam two ends, and in needle beam bottom and tension needle beam top, nut is set respectively.
Described needle beam and tension needle beam are all set to many of equal number, and concrete radical is adjusted according to test maximum load amount.
Described terminal pad upper surface is provided with " rice " font deep floor.
The utility model compared with prior art will adopt and be threaded by means of terminal pad between secondary beam and the anchor bar on anchoring pile top, only need to use anchoring sleeve that terminal pad is fixed on anchor bar, then by means of needle beam and tension needle beam, with fining twisted steel, anchor pile and secondary beam be coupled together.The operating efficiency being threaded is much higher than welding, and terminal pad and needle beam and tension needle beam can reuse, reduce engineering cost, share simultaneously anchoring pile in process of the test without carrying out secondary connection, syndeton can reuse, and improves test efficiency.
Accompanying drawing explanation
Fig. 1 is the utility model structural representation.
Fig. 2 is the utility model anchor device structural representation.
Fig. 3 is the utility model tensile device structural representation.
Fig. 4 is the utility model terminal pad structural representation.
Fig. 5 is the utility model needle beam structural representation.
Being labeled as in accompanying drawing: 1, secondary beam; 2, tension needle beam; 3, terminal pad; 4, fining twisted steel; 5, nut; 6, pad; 7, anchor bar; 8, anchoring sleeve; 9, pad; 10, girder; 11, anchoring pile.
the specific embodiment
The following examples are to describe in further detail of the present utility model.
The anchoring pile counterforce device that dead load test on pile foundation is often used is exactly by by peg, around several anchoring piles dowel and the reaction frame of symmetry couple together, rely on the jack on stake top by reaction frame jack-up, by the anchoring pile being connected, provide counter-force, provide the size of counter-force by anchoring pile quantity, reaction frame intensity determines with the uplift resistance that is connected anchoring pile.Anchoring pile counterforce device generally can not be subject to field condition and load the restriction of tonnage number, works as conditions permit, and adopting engineering pile is most economical as anchoring pile.Existing counter-force static-load testing device comprises the jack that is arranged on foundation pile top, the girder that the buttress arranging by means of foundation pile both sides is placed, on girder, place at least two vertical secondary beams, secondary beam is connected with anchoring pile top by means of anchoring pile syndeton, in process of the test, pass through jack jacking girder and secondary beam, and anchoring pile provides counter-force, realize foundation pile static loading test.Between existing secondary beam and anchoring pile, by anchor cylinder, realize and being connected with anchor bar welding, being about to anchor cylinder top is connected with secondary beam, the anchor bar welding on anchor cylinder and anchoring pile top, welding interval is long, and welding point level is uneven, easily cause anchor bar discontinuity, welding efficiency is lower.For solving the existing problem of existing anchoring pile syndeton.
The utility model provides one static loading test anchoring pile syndeton as shown in Figure 1, comprise the anchor device being fixedly connected with the anchor bar 7 on anchoring pile 11 tops and the top tensile device being connected by means of fining twisted steel 4 with anchor device, fining twisted steel 4 all adopts and is threaded with anchor device and top tensile device, anchor device is located at anchoring pile top, top tensile device is connected with secondary beam 1, the counter-force of anchoring pile 11 is delivered on secondary beam 1, secondary beam 1 is located on girder 10 upper surfaces, pressure is passed to girder 10, when in upwards jacking process of jack, realization is to the downward pressure of foundation pile, carry out foundation pile static loading test, anchor device described in the utility model (as shown in Figure 2) comprises terminal pad 3 and at least two needle beams, the magnitude setting through hole identical with anchor bar 7 quantity on described terminal pad 3, described anchor bar 7 is through through hole setting, and arrange with the anchoring sleeve 8 of its threaded engagement and carry out anchoring on its top, described needle beam is symmetrically set in terminal pad 3 belows, and every needle beam two ends all vertically wear fining twisted steel 4, dock with top tensile device on fining twisted steel 4 tops, needle beam arranges many, many needle beams are arranged in parallel, and the distance between adjacent two needle beams equates, needle beam is positioned at terminal pad below, between needle beam and the tension needle beam on secondary beam upper surface, with fining twisted steel, connect, and fix with nut and pad at fining twisted steel two ends, distance between the fixing anchoring pile of fining twisted steel and secondary beam, when operation jack is upwards during the girder of top, girder, secondary beam, fining twisted steel and terminal pad form closed loop between (as shown in Figure 4), form counter-force, to pressing down foundation pile, realize foundation pile static loading test.
Described top tensile device (as shown in Figure 3) comprises the tension needle beam 2 being fixedly connected with fining twisted steel 4 tops, the quantity of the quantity of described tension needle beam 2 and bottom needle beam equate and direction identical, two fining twisted steel 4 tops that described and every root bottom part needle beam is connected are fixed by means of nut after passing same tension needle beam 2.Described needle beam is identical with tension needle beam 2 structures, be H shape structure (as shown in Figure 5), described fining twisted steel 4 two ends snap in respectively in the breach at needle beam and tension needle beam 2 two ends, and in needle beam bottom and tension needle beam 2 tops, nut is set respectively, needle beam and tension needle beam are H shape, its two ends all arrange breach, and breach vertically arranges, and fining twisted steel directly snaps in breach and be fixing with nut screwing clamping at two ends.
The utility model is by adopting and be threaded by means of terminal pad between secondary beam and the anchor bar on anchoring pile top, only need to use anchoring sleeve that terminal pad is fixed on anchor bar, then by means of needle beam, be connected with secondary beam with tension needle beam and fining twisted steel, the operating efficiency being threaded is much higher than welding, and terminal pad and needle beam and tension needle beam can reuse, reduce engineering cost, simultaneously public anchoring pile in test pile process of the test without carrying out secondary connection, syndeton can reuse, and improves test efficiency.
Claims (6)
1. a static loading test anchoring pile syndeton, it is characterized in that: comprise the anchor device being fixedly connected with the anchor bar (7) on anchoring pile (11) top and the top tensile device being connected by means of fining twisted steel (4) with anchor device, fining twisted steel (4) and anchor device and top tensile device are all with being threaded.
2. static loading test anchoring pile syndeton according to claim 1, it is characterized in that: described anchor device comprises terminal pad (3) and at least two needle beams, the upper magnitude setting through hole identical with anchor bar (7) quantity of described terminal pad (3), described anchor bar (7) is through through hole setting, and on its top, arrange and the anchoring sleeve (8) of its threaded engagement, described needle beam is symmetrically set in terminal pad (3) below, and every needle beam two ends all vertically wear fining twisted steel (4), dock with top tensile device on fining twisted steel (4) top.
3. static loading test anchoring pile syndeton according to claim 1, it is characterized in that: described top tensile device comprises the tension needle beam (2) being fixedly connected with fining twisted steel (4) top, the quantity of described tension needle beam (2) is equal with the quantity of bottom needle beam and direction is identical, and two fining twisted steels (4) top that described and every root bottom part needle beam is connected is fixed by means of nut through after same tension needle beam (2).
4. according to the static loading test anchoring pile syndeton described in claim 2 or 3, it is characterized in that: described needle beam is identical with tension needle beam (2) structure, be H shape structure, described fining twisted steel (4) two ends snap in respectively in the breach at needle beam and tension needle beam (2) two ends, and in needle beam bottom and tension needle beam (2) top, nut are set respectively.
5. static loading test anchoring pile syndeton according to claim 4, is characterized in that: described needle beam and tension needle beam (2) are all set to many of equal number, and concrete radical is adjusted according to test maximum load amount.
6. static loading test anchoring pile syndeton according to claim 2, is characterized in that: described terminal pad (3) upper surface is provided with " rice " font deep floor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320629544.5U CN203569595U (en) | 2013-10-12 | 2013-10-12 | Static load test anchoring pile connecting structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320629544.5U CN203569595U (en) | 2013-10-12 | 2013-10-12 | Static load test anchoring pile connecting structure |
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| Publication Number | Publication Date |
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| CN203569595U true CN203569595U (en) | 2014-04-30 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201320629544.5U Expired - Fee Related CN203569595U (en) | 2013-10-12 | 2013-10-12 | Static load test anchoring pile connecting structure |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103485374A (en) * | 2013-10-12 | 2014-01-01 | 中勘冶金勘察设计研究院有限责任公司 | Static load test anchor pile connecting structure |
| CN110106927A (en) * | 2019-05-15 | 2019-08-09 | 陕西长地建设工程质量检测有限公司 | A kind of pile measurement static-load testing device |
-
2013
- 2013-10-12 CN CN201320629544.5U patent/CN203569595U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103485374A (en) * | 2013-10-12 | 2014-01-01 | 中勘冶金勘察设计研究院有限责任公司 | Static load test anchor pile connecting structure |
| CN103485374B (en) * | 2013-10-12 | 2017-02-08 | 中勘冶金勘察设计研究院有限责任公司 | Static load test anchor pile connecting structure |
| CN110106927A (en) * | 2019-05-15 | 2019-08-09 | 陕西长地建设工程质量检测有限公司 | A kind of pile measurement static-load testing device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140430 Termination date: 20171012 |
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| CF01 | Termination of patent right due to non-payment of annual fee |