CN105625486A - Sea foundation pile anti-drawing testing device and testing method thereof - Google Patents
Sea foundation pile anti-drawing testing device and testing method thereof Download PDFInfo
- Publication number
- CN105625486A CN105625486A CN201610106040.3A CN201610106040A CN105625486A CN 105625486 A CN105625486 A CN 105625486A CN 201610106040 A CN201610106040 A CN 201610106040A CN 105625486 A CN105625486 A CN 105625486A
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- foundation pile
- equalizer bar
- flat
- reaction beam
- jack
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- 238000012360 testing method Methods 0.000 title claims abstract description 41
- 238000006243 chemical reaction Methods 0.000 claims description 37
- 238000005259 measurement Methods 0.000 claims description 16
- 238000007586 pull-out test Methods 0.000 claims description 12
- 238000000034 method Methods 0.000 claims description 6
- 230000001105 regulatory effect Effects 0.000 claims description 5
- 239000000463 material Substances 0.000 abstract description 3
- 238000001514 detection method Methods 0.000 description 7
- 238000004873 anchoring Methods 0.000 description 3
- 238000010998 test method Methods 0.000 description 3
- 238000003556 assay Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000002360 preparation method Methods 0.000 description 2
- 230000003068 static effect Effects 0.000 description 2
- 238000010276 construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
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
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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)
- Investigation Of Foundation Soil And Reinforcement Of Foundation Soil By Compacting Or Drainage (AREA)
Abstract
The invention relates to a sea foundation pile anti-drawing testing device and a testing method thereof. The sea foundation pile anti-drawing testing device comprises a foundation pile located in the middle and platform ships located on the two sides of the foundation pile, and the upper end of the foundation pile is movably connected with the middle position of a transversely-arranged counter-force beam; the two ends of the counter-force beam are hinged to the middle positions of large balance beams located below the counter-force beam, and the large balance beams are perpendicular to the counter-force beam; the two ends of each large balance beam are hinged to the middle positions of small balance beams below the large balance beam, and the small balance beams are perpendicular to the large balance beams; supporting bases are hinged to the two ends of each small balance beam; and a jack abutting against the supporting bases on the corresponding side is arranged on the corresponding platform ship. According to the sea foundation pile anti-drawing testing device and the testing method, the problems existing in operation platforms and the problem that a sea counter-force support is difficult to find are directly solved; the problems that a large amount of manpower, a large number of material resources and a large amount of time need to be spent in a sea large-diameter pile anti-drawing test and an anchor pile needs to be specially arranged are solved; and the on-site detecting efficiency and the economical efficiency are greatly improved.
Description
Technical field
The present invention relates to a kind of Maritime traffic safety pulling resistance testing device and test method thereof.
Background technology
Foundation pile vertically pulling-resistant static test, it is simply that adopt close to the test of vertically pulling-resistant stake actual operating conditions, it is determined that vertical ultimate uplift resistance of single pile, the main purpose of unit for single-pile vertical anti-pulling static load test includes three below aspect:
1, vertical ultimate uplift resistance of single pile and unit for single-pile vertical anti-pulling characteristic load bearing capacity are determined;
2, judge whether vertically pulling-resistant bearing capacity meets design requirement;
3, when being embedded with pile body stress, strain measurement element, the resistance to plucking frictional resistance of stake week each soil layer can be measured.
Pullout tests needs to provide a counterforce device, counter-force stake (or engineering pile) should be adopted to provide end reaction, but at sea provide this reaction support relatively difficult.
Fig. 1 is the schematic diagram of the Maritime traffic safety pullout tests of prior art, as it is shown in figure 1, anchor pole 13 is reaction support, adopts counter-force stake (or engineering pile), loading system jack 7, and crossbeam 14 is erected on jack 7, and crossbeam 14 is connected by screw rod is fixing with foundation pile; During test, crossbeam 14 loading given by jack 7, and crossbeam 14 provides a uplift force to foundation pile 1, obtains vertical ultimate uplift resistance of single pile by test and unit for single-pile vertical anti-pulling characteristic load bearing capacity judges to determine whether vertically pulling-resistant bearing capacity meets design requirement.
There is following defect in prior art:
1, the reaction support required for Maritime traffic safety pullout tests is difficult to find, if playing anchoring pile exclusively for test, the method not only wastes time and energy, and less economical;
2, one platform operations of marine needs, it does not have job platform causes certain difficulty to construction.
Summary of the invention
In view of this, it is an object of the invention to provide a kind of time saving and energy saving Maritime traffic safety pulling resistance testing device and test method thereof, be greatly improved scene detection efficiency and economy.
The technical solution used in the present invention is: a kind of Maritime traffic safety pulling resistance testing device, and including centrally located foundation pile and the flat-bottomed boat being positioned at foundation pile both sides, described foundation pile upper end is flexibly connected with horizontal reaction beam centre position; Described reaction beam two ends are hinged with the big equalizer bar centre position being disposed below respectively, and big equalizer bar and reaction beam are vertically arranged; Described big equalizer bar two ends are hinged with the little equalizer bar centre position being disposed below respectively, and little equalizer bar and big equalizer bar are vertically arranged; It is respectively articulated with supporting seat below described little equalizer bar two ends, described flat-bottomed boat has been provided with the jack heading on respective side supporting seat.
Further, described jack is electric hydraulic lifting jack.
Further, described foundation pile upper end is fixedly connected with fixing seat, it is positioned at the connection seat that reaction beam centre position is provided above being linked together by screw rod with fixing seat, leave interval between described reaction beam and fixing seat and be positioned at reaction beam centre position and be provided with the arc protuberance raised up, on the downside of described connection seat, being provided with the arc groove matched with described arc protuberance.
Further, described flat-bottomed boat is fixed on seabed by supporting leg below, and flat-bottomed boat is higher than sea level height.
What the present invention adopted another solution is that a kind of Maritime traffic safety pullout tests method, comprises the following steps: (1) buries stress measurement element and strain measurement element underground on foundation pile, and is welded and fixed seat in foundation pile upper end; (2) two flat-bottomed boats are reached foundation pile both sides relevant position respectively and fix; (3) on every flat-bottomed boat, place two to jack, and above every pair of jack, set up the little equalizer bar with supporting seat; (4) setting up big equalizer bar above the little equalizer bar of two couple on every flat-bottomed boat, big equalizer bar two ends and little equalizer bar centre position are hinged; (5) setting up reaction beam between the big equalizer bar on two flat-bottomed boats, reaction beam two ends and big equalizer bar centre position are hinged; (6) above the arc protuberance of reaction beam, detain upper connecting base, and linked together connecting the seat fixing seat with foundation pile upper end by screw rod; (7) jack plunger height and pressure are regulated, it is ensured that the uplift force that test is required; (8) starting test, record stress measurement element and the test data that obtains of strain measurement element measurement are also analyzed.
Compared with prior art, the method have the advantages that the present invention is directly with the wherein flat-bottomed boat service platform as preliminary preparation, solve job platform problem, flat-bottomed boat is as reaction support simultaneously, also solve the difficult target-seeking problem of reaction support at sea, can easily complete the detection work originally wasted time and energy, also solve marine large diameter pile pullout tests to need to spend a large amount of manpower, the problem that material resources and time arrange anchoring pile specially, control device by the balanced design of self and automatization, vertical uplift force required for guarantee test, scene detection efficiency and economy are greatly improved.
For making the purpose of the present invention, technical scheme and advantage clearly understand, below by specific embodiment and relevant drawings, the present invention will be described in further detail.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of the Maritime traffic safety pullout tests of prior art;
Fig. 2 is embodiment of the present invention assay device organigram;
Fig. 3 is the top view of Fig. 2;
Number in the figure illustrates: 1-foundation pile, 2-flat-bottomed boat, 3-reaction beam, the big equalizer bar of 4-, the little equalizer bar of 5-, 6-supporting seat, 7-jack, 8-fix seat, 9-connects seat, 10-screw rod, 11-arc protuberance, 12-arc groove, 13-anchor pole, 14-crossbeam.
Detailed description of the invention
As shown in Fig. 2 ~ 3, a kind of Maritime traffic safety pulling resistance testing device, this assay device is symmetrical set with foundation pile for line of symmetry, and including centrally located foundation pile 1 and the flat-bottomed boat 2 being positioned at foundation pile 1 both sides, described foundation pile 1 upper end is flexibly connected with horizontal reaction beam 3 centre position; Described reaction beam 3 two ends are hinged with big equalizer bar 4 centre position being disposed below respectively, and big equalizer bar 4 is vertically arranged with reaction beam 3; Described big equalizer bar 4 two ends are hinged with little equalizer bar 5 centre position being disposed below respectively, and little equalizer bar 5 is vertically arranged with big equalizer bar 4; It has been respectively articulated with supporting seat 6 below described little equalizer bar 5 two ends, described flat-bottomed boat 2 is provided with the jack 7 heading on respective side supporting seat 6, jack 7 and supporting seat 6 one_to_one corresponding, in the present embodiment, described jack 7 for electric hydraulic lifting jack to provide the uplift force required for foundation pile pullout tests; Jack 7 ensures each fulcrum uniform force by regulating pressure and plunger height, big equalizer bar 4 can ensure that flat-bottomed boat a degree of inclination in one direction does not affect test, little equalizer bar 5 can ensure that flat-bottomed boat to a certain degree tilts not affect test in another direction, it is ensured that the uniform force of each supporting seat.
When doing pullout tests, there is provided a uplift force upwards to foundation pile 1 by jack 7, can easily complete the Test Detection Work originally wasted time and energy, and solve the problem that marine large diameter pile pullout tests needs to spend a large amount of human and material resources and time to arrange anchoring pile specially, control device by the balanced design of self and automatization, uplift force required for guarantee test, scene detection efficiency and economy are greatly improved.
In the present embodiment, jack 7 has automatic regulating function, can automatically adjust jack 7 fluid pressure when flat-bottomed boat has upper and lower displacement and plunger height carrys out the stress of guarantee test foundation pile 1; Wherein flat-bottomed boat in conjunction with O&M ship, installation ship design, can need not be specifically manufactured, save cost.
In the present embodiment, described foundation pile 1 upper end is fixedly connected with fixing seat 8, it is positioned at the connection seat 9 that reaction beam 3 centre position is provided above being linked together by screw rod 10 with fixing seat 5, screw rod 10 upper end is fixed by the nut check being positioned on the upside of connection seat, screw rod lower end is fixed by the nut check being positioned on the downside of fixing seat, leave interval between described reaction beam 3 and fixing seat 5 and be positioned at reaction beam centre position and be provided with the arc protuberance 11 raised up, the arc groove 12 matched with described arc protuberance 11 it is provided with on the downside of described connection seat, can realize between reaction beam 3 top curve protuberance 11 and arc groove 12 rotating, can ensure that having during difference of height between two flat-bottomed boats does not affect test, two flat-bottomed boats have difference of height that the stress of foundation pile can also be made to be vertically up.
In the present embodiment, described flat-bottomed boat 2 is fixed on seabed by supporting leg below, and flat-bottomed boat is higher than sea level height, and flat-bottomed boat leaves sea, reduces the wave impact on test.
The control device of this invention balanced design by self and automatization, it is ensured that the uplift force that test is required. Compared with tradition Maritime traffic safety pullout tests method, this invention can directly with the wherein flat-bottomed boat service platform as preliminary preparation, solve job platform problem, flat-bottomed boat is as reaction support simultaneously, also solve the difficult target-seeking problem of reaction support at sea, can easily completing the detection work originally wasted time and energy, scene detection efficiency and economy are greatly improved.
A kind of Maritime traffic safety pullout tests method, comprises the following steps: (1) buries stress measurement element and strain measurement element underground on foundation pile, and is welded and fixed seat in foundation pile upper end; (2) two flat-bottomed boats being reached relevant position, foundation pile both sides respectively and fixed, two flat-bottomed boats are highly consistent; (3) on every flat-bottomed boat, place two to jack, and above every pair of jack, set up the little equalizer bar with supporting seat; (4) setting up big equalizer bar above the little equalizer bar of two couple on every flat-bottomed boat, big equalizer bar two ends and little equalizer bar centre position are hinged; (5) setting up reaction beam between the big equalizer bar on two flat-bottomed boats, reaction beam two ends and big equalizer bar centre position are hinged; (6) above the arc protuberance of reaction beam, detain upper connecting base, and linked together connecting the seat fixing seat with foundation pile upper end by screw rod; (7) jack plunger height and pressure are regulated, it is ensured that the uplift force that test is required; (8) starting test, record stress measurement element and the test data that obtains of strain measurement element measurement are also analyzed.
Above-listed preferred embodiment; the object, technical solutions and advantages of the present invention have been further described; it is it should be understood that; the foregoing is only presently preferred embodiments of the present invention; not in order to limit the present invention; all within the spirit and principles in the present invention, any amendment of making, equivalent replacement, improvement etc., should be included within protection scope of the present invention.
Claims (5)
1. a Maritime traffic safety pulling resistance testing device, it is characterised in that: including centrally located foundation pile and be positioned at the flat-bottomed boat of foundation pile both sides, described foundation pile upper end is flexibly connected with horizontal reaction beam centre position; Described reaction beam two ends are hinged with the big equalizer bar centre position being disposed below respectively, and big equalizer bar and reaction beam are vertically arranged; Described big equalizer bar two ends are hinged with the little equalizer bar centre position being disposed below respectively; It is respectively articulated with supporting seat below described little equalizer bar two ends, described flat-bottomed boat has been provided with the jack heading on respective side supporting seat.
2. Maritime traffic safety pulling resistance testing device according to claim 1, it is characterised in that: described jack is electric hydraulic lifting jack.
3. Maritime traffic safety pulling resistance testing device according to claim 1, it is characterized in that: described foundation pile upper end is fixedly connected with fixing seat, it is positioned at the connection seat that reaction beam centre position is provided above being linked together by screw rod with fixing seat, leave interval between described reaction beam and fixing seat and be positioned at reaction beam centre position and be provided with the arc protuberance raised up, on the downside of described connection seat, being provided with the arc groove matched with described arc protuberance.
4. Maritime traffic safety pulling resistance testing device according to claim 1, it is characterised in that: described flat-bottomed boat is fixed on seabed by supporting leg below, and flat-bottomed boat is higher than sea level height.
5. a Maritime traffic safety pullout tests method, it is characterised in that: comprise the following steps: (1) buries stress measurement element and strain measurement element underground on foundation pile, and is welded and fixed seat in foundation pile upper end; (2) two flat-bottomed boats are reached foundation pile both sides relevant position respectively and fix; (3) on every flat-bottomed boat, place two to jack, and above every pair of jack, set up the little equalizer bar with supporting seat; (4) setting up big equalizer bar above the little equalizer bar of two couple on every flat-bottomed boat, big equalizer bar two ends and little equalizer bar centre position are hinged; (5) setting up reaction beam between the big equalizer bar on two flat-bottomed boats, reaction beam two ends and big equalizer bar centre position are hinged; (6) above the arc protuberance of reaction beam, detain upper connecting base, and linked together connecting the seat fixing seat with foundation pile upper end by screw rod; (7) jack plunger height and pressure are regulated, it is ensured that the uplift force that test is required; (8) starting test, record stress measurement element and the test data that obtains of strain measurement element measurement are also analyzed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610106040.3A CN105625486B (en) | 2016-02-26 | 2016-02-26 | A kind of Maritime traffic safety pulling resistance testing device and its test method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610106040.3A CN105625486B (en) | 2016-02-26 | 2016-02-26 | A kind of Maritime traffic safety pulling resistance testing device and its test method |
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| Publication Number | Publication Date |
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| CN105625486A true CN105625486A (en) | 2016-06-01 |
| CN105625486B CN105625486B (en) | 2017-08-29 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201610106040.3A Expired - Fee Related CN105625486B (en) | 2016-02-26 | 2016-02-26 | A kind of Maritime traffic safety pulling resistance testing device and its test method |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106120879A (en) * | 2016-08-24 | 2016-11-16 | 上海勘测设计研究院有限公司 | Marine wind electric field fan single-pile foundation test pile supporting construction with cantilever design and construction method thereof |
| CN107217669A (en) * | 2017-04-01 | 2017-09-29 | 南京瑞迪建设科技有限公司 | Pile pulling device and its rapid movement method |
| CN108547330A (en) * | 2018-04-12 | 2018-09-18 | 吴江市建设工程质量检测中心有限公司 | A kind of foundation pile resistance to plucking detection device and its detection method |
| CN109024714A (en) * | 2018-06-26 | 2018-12-18 | 中国电力科学研究院有限公司 | A kind of pulling resistance testing device of anchor pole |
| CN110004997A (en) * | 2019-05-10 | 2019-07-12 | 四川中亿创新重型装备有限公司 | A kind of ballast heap carrier static test mobile device and method |
| CN114892733A (en) * | 2022-07-14 | 2022-08-12 | 浙大城市学院 | Uplift resistance measuring device and method based on anchor plate foundation of seabed slope field |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106120879A (en) * | 2016-08-24 | 2016-11-16 | 上海勘测设计研究院有限公司 | Marine wind electric field fan single-pile foundation test pile supporting construction with cantilever design and construction method thereof |
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| CN108547330A (en) * | 2018-04-12 | 2018-09-18 | 吴江市建设工程质量检测中心有限公司 | A kind of foundation pile resistance to plucking detection device and its detection method |
| CN109024714A (en) * | 2018-06-26 | 2018-12-18 | 中国电力科学研究院有限公司 | A kind of pulling resistance testing device of anchor pole |
| CN110004997A (en) * | 2019-05-10 | 2019-07-12 | 四川中亿创新重型装备有限公司 | A kind of ballast heap carrier static test mobile device and method |
| CN114892733A (en) * | 2022-07-14 | 2022-08-12 | 浙大城市学院 | Uplift resistance measuring device and method based on anchor plate foundation of seabed slope field |
| US11828037B1 (en) | 2022-07-14 | 2023-11-28 | Zhejiang University City College | Pullout resistance measuring device and method based on anchor plate foundation of submarine slope site |
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| CN105625486B (en) | 2017-08-29 |
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