CN105625486B - A kind of Maritime traffic safety pulling resistance testing device and its test method - Google Patents
A kind of Maritime traffic safety pulling resistance testing device and its test method Download PDFInfo
- Publication number
- CN105625486B CN105625486B CN201610106040.3A CN201610106040A CN105625486B CN 105625486 B CN105625486 B CN 105625486B CN 201610106040 A CN201610106040 A CN 201610106040A CN 105625486 B CN105625486 B CN 105625486B
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- equalizer bar
- flat
- foundation pile
- centre position
- reaction beam
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- 238000012360 testing method Methods 0.000 title claims abstract description 18
- 238000010998 test method Methods 0.000 title abstract description 4
- 238000006243 chemical reaction Methods 0.000 claims abstract description 40
- 238000007586 pull-out test Methods 0.000 claims abstract description 13
- 238000002474 experimental method Methods 0.000 claims description 18
- 238000005259 measurement Methods 0.000 claims description 14
- 238000000034 method Methods 0.000 claims description 6
- 238000001514 detection method Methods 0.000 abstract description 8
- 238000004873 anchoring Methods 0.000 abstract description 4
- 239000000463 material Substances 0.000 abstract description 3
- 238000013461 design Methods 0.000 description 6
- 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
- 239000000686 essence Substances 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000006467 substitution reaction Methods 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
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)
- Investigation Of Foundation Soil And Reinforcement Of Foundation Soil By Compacting Or Drainage (AREA)
Abstract
The present invention relates to a kind of Maritime traffic safety pulling resistance testing device and its test method, including positioned at middle foundation pile and the flat-bottomed boat positioned at foundation pile both sides, the foundation pile upper end is flexibly connected with horizontal reaction beam centre position；The reaction beam two ends are hinged with the big equalizer bar centre position that is disposed below respectively, and big equalizer bar is vertically arranged with reaction beam；The big equalizer bar two ends are hinged with the small equalizer bar centre position that is disposed below respectively, and small equalizer bar is vertically arranged with big equalizer bar；It has been respectively articulated with below the small equalizer bar two ends on support base, the flat-bottomed boat and has been provided with the jack for heading on respective side support base.The present invention directly solves the problems, such as job platform and the difficult target-seeking problem of marine reaction support, also solving marine large diameter pile pullout tests needs to spend a large amount of human and material resources and time the problem of specially set anchoring pile, and scene detection efficiency and economy are greatly improved.
Description
Technical field
The present invention relates to a kind of Maritime traffic safety pulling resistance testing device and its test method.
Background technology
Foundation pile vertically pulling-resistant static test, is exactly to use the experiment close to vertically pulling-resistant stake actual operating conditions, it is determined that
Vertical ultimate uplift resistance of single pile, in terms of the main purpose of unit for single-pile vertical anti-pulling static load test includes three below：
1st, vertical ultimate uplift resistance of single pile and unit for single-pile vertical anti-pulling characteristic load bearing capacity are determined；
2nd, judge whether vertically pulling-resistant bearing capacity meets design requirement；
3rd, when being embedded with pile body stress, strain measurement element, the resistance to plucking frictional resistance of stake week each soil layer can be determined.
Pullout tests need to provide a counterforce device, preferably using counter-force stake（Or engineering pile）Offer end reaction, but
It is relatively difficult that sea provides this reaction support.
Fig. 1 is the schematic diagram of the Maritime traffic safety pullout tests of prior art, as shown in figure 1, anchor pole 13 is reaction support, is adopted
With counter-force stake（Or engineering pile）, loading system jack 7, crossbeam 14 is erected on jack 7, and crossbeam 14 passes through screw rod with foundation pile
It is fixedly connected；During experiment, jack 7 gives the loading of crossbeam 14, and crossbeam 14 provides a uplift force to foundation pile 1, is obtained by experiment
Whether vertical ultimate uplift resistance of single pile and unit for single-pile vertical anti-pulling characteristic load bearing capacity are full to judge to determine vertically pulling-resistant bearing capacity
Sufficient design requirement.
There is following defect in prior art：
1st, the reaction support required for Maritime traffic safety pullout tests is difficult to find, if playing anchoring pile exclusively for experiment, this side
Method not only wastes time and energy, and less economical；
2nd, marine to need a platform operations, no job platform causes certain difficulty to construction.
The content 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 its experiment
Method, greatly improves scene detection efficiency and economy.
The technical solution adopted by the present invention is：A kind of Maritime traffic safety pulling resistance testing device, including positioned at middle foundation pile and
Flat-bottomed boat positioned at foundation pile both sides, the foundation pile upper end is flexibly connected with horizontal reaction beam centre position；The reaction beam two
The big equalizer bar centre position respectively with being disposed below is held to be hinged, big equalizer bar is vertically arranged with reaction beam；It is described big flat
Heng Liang two ends are hinged with the small equalizer bar centre position that is disposed below respectively, and small equalizer bar is vertically arranged with big equalizer bar；
It has been respectively articulated with to be provided with support base, the flat-bottomed boat below the small equalizer bar two ends and has headed on the very heavy of respective side support base
Top.
Further, the jack is electric hydraulic lifting jack.
Further, the foundation pile upper end is fixedly connected with fixed seat, be provided with above the reaction beam centre position with
The connecting seat that fixed seat is linked together by screw rod, it is spaced between the reaction beam and fixed seat and positioned at reaction beam
Centre position is provided with the downside of the arc convex portion raised up, the connecting seat and is provided with the arc being engaged with the arc convex portion
Connected in star.
Further, the flat-bottomed boat is fixed on seabed by supporting leg below, and flat-bottomed boat is high higher than sea
Degree.
Another technical scheme that the present invention is used is：A kind of Maritime traffic safety pullout tests method, comprises the following steps：（1）
Stress measurement element and strain measurement element are buried on foundation pile, and seat is welded and fixed in foundation pile upper end；（2）By two flat-bottomed boats
Foundation pile both sides relevant position and fixation are reached respectively；（3）Two pairs of jack are placed on every flat-bottomed boat, and in each pair jack
Set up the small equalizer bar with support base in top；（4）Big equalizer bar is set up above the small equalizer bar of two couples on every flat-bottomed boat, greatly
Equalizer bar two ends are hinged with small equalizer bar centre position；（5）Reaction beam is set up between big equalizer bar on two flat-bottomed boats,
Reaction beam two ends are hinged with big equalizer bar centre position；（6）Connecting seat is buckled above the arc convex portion of reaction beam, and is passed through
Screw rod links together connecting seat and the fixed seat of foundation pile upper end；（7）Adjust very heavy top force height and pressure, it is ensured that experiment
Required uplift force；（8）Start experiment, the test data that record stress measurement element and strain measurement element measurement are obtained is simultaneously
Analysis.
Compared with prior art, the invention has the advantages that：The present invention is directly regarded with wherein one flat-bottomed boat
The service platform of preliminary preparation, solves the problems, such as job platform, while flat-bottomed boat regards reaction support, also solves sea
The difficult target-seeking problem of reaction support, can easily complete the detection work wasted time and energy originally, also solve marine big straight
Footpath stake pullout tests need to spend a large amount of human and material resources and time the problem of specially set anchoring pile, pass through the balanced design of itself
With the control device of automation, it is ensured that the vertical uplift force required for experiment, scene detection efficiency and economy are obtained greatly
Lifting.
For the objects, technical solutions and advantages of the present invention are more clearly understood, specific embodiment and phase will be passed through below
Accompanying drawing is closed, the present invention is described in further detail.
Brief description of the drawings
Fig. 1 is the schematic diagram of the Maritime traffic safety pullout tests of prior art；
Fig. 2 is experimental rig organigram of the embodiment of the present invention；
Fig. 3 is Fig. 2 top view；
Label declaration in figure：1- foundation piles, 2- flat-bottomed boats, 3- reaction beams, the big equalizer bars of 4-, the small equalizer bars of 5-, 6- support bases,
7- jack, 8- fixed seats, 9- connecting seats, 10- screw rods, 11- arcs convex portion, 12- arc grooves, 13- anchor poles, 14- crossbeams.
Embodiment
As shown in Fig. 2 ~ 3, a kind of Maritime traffic safety pulling resistance testing device, the experimental rig is symmetrical by line of symmetry of foundation pile
Setting, including foundation pile 1 and the flat-bottomed boat 2 positioned at the both sides of foundation pile 1 positioned at centre, the upper end of foundation pile 1 and horizontal reaction beam 3
Centre position is flexibly connected；The two ends of reaction beam 3 are hinged with the centre position of big equalizer bar 4 that is disposed below respectively, greatly
Equalizer bar 4 is vertically arranged with reaction beam 3；The centre position of small equalizer bar 5 of the two ends of big equalizer bar 4 respectively with being disposed below
It is hinged, small equalizer bar 5 is vertically arranged with big equalizer bar 4；Support base 6, institute have been respectively articulated with below the two ends of small equalizer bar 5
State and the jack 7 for heading on respective side support base 6 is provided with flat-bottomed boat 2, jack 7 is corresponded with support base 6, in this implementation
In example, the jack 7 is electric hydraulic lifting jack to provide the uplift force required for foundation pile pullout tests；Jack 7 passes through
Regulation pressure and plunger highly ensure each fulcrum uniform force, and big equalizer bar 4 can ensure flat-bottomed boat in one direction
A certain degree of inclination does not influence experiment, and small equalizer bar 5 can ensure that flat-bottomed boat tilts not shadow to a certain degree in another direction
Ring experiment, it is ensured that the uniform force of each support base.
When doing pullout tests, a upward uplift force is provided to foundation pile 1 by jack 7, can easily be completed
Originally the Test Detection Work wasted time and energy, and solve marine large diameter pile pullout tests need to spend a large amount of manpowers,
The problem of material resources and time specially set anchoring pile, passes through the control device of the balanced design of itself and automation, it is ensured that experiment institute
The uplift force needed, scene detection efficiency and economy are greatly improved.
In the present embodiment, jack 7 has automatic regulating function, can be with adjust automatically thousand when flat-bottomed boat has upper and lower displacement
Jin 7 fluid pressures of top and plunger height carry out the stress of guarantee test foundation pile 1；Wherein flat-bottomed boat can combine O＆M ship, installation ship
Design, it is cost-effective without being specifically manufactured.
In the present embodiment, the upper end of foundation pile 1 is fixedly connected with fixed seat 8, is set above the centre position of reaction beam 3
The connecting seat 9 linked together with fixed seat 5 by screw rod 10 is equipped with, the upper end of screw rod 10 is by the nut lock on the upside of connecting seat
Fasten, screw rod lower end is fixed by the nut check on the downside of fixed seat, between being left between the reaction beam 3 and fixed seat 5
Every and positioned at reaction beam centre position be provided with the downside of the arc convex portion 11 that raises up, the connecting seat be provided with it is described
The arc groove 12 that arc convex portion 11 is engaged, can be achieved to rotate between the top curve convex portion 11 of reaction beam 3 and arc groove 12,
Can ensure to have between two flat-bottomed boats and not influence experiment during difference of height, two flat-bottomed boats have difference of height can also make foundation pile by
Power is vertically upward.
In the present embodiment, the flat-bottomed boat 2 is fixed on seabed by supporting leg below, and flat-bottomed boat is higher than sea
Face height, flat-bottomed boat leaves sea, reduces influence of the wave to experiment.
The control device that the invention passes through the balanced design of itself and automation, it is ensured that the uplift force required for experiment.With
Traditional Maritime traffic safety pullout tests method is compared, and the invention can directly regard the clothes of preliminary preparation with wherein one flat-bottomed boat
Business platform, solves the problems, such as job platform, while flat-bottomed boat regards reaction support, the reaction support difficulty for also solving sea is target-seeking
Problem, can easily complete the detection work wasted time and energy originally, scene detection efficiency and economy are greatly carried
Rise.
A kind of Maritime traffic safety pullout tests method, comprises the following steps：（1）Stress measurement element is buried on foundation pile and is answered
Become measuring cell, and seat is welded and fixed in foundation pile upper end；（2）Two flat-bottomed boats are reached into foundation pile both sides relevant position and solid respectively
Fixed, two flat-bottomed boats are highly consistent；（3）Two pairs of jack are placed on every flat-bottomed boat, and are set up above each pair jack
Small equalizer bar with support base；（4）Big equalizer bar, big equalizer bar two are set up above the small equalizer bar of two couples on every flat-bottomed boat
End is hinged with small equalizer bar centre position；（5）Reaction beam, reaction beam two are set up between big equalizer bar on two flat-bottomed boats
End is hinged with big equalizer bar centre position；（6）Connecting seat is buckled above the arc convex portion of reaction beam, and will be even by screw rod
Joint chair and the fixed seat of foundation pile upper end link together；（7）Adjust very heavy top force height and pressure, it is ensured that required for experiment
Uplift force；（8）Start experiment, the test data that record stress measurement element and strain measurement element measurement are obtained and analysis.
The object, technical solutions and advantages of the present invention are further described by above-listed preferred embodiment, are answered
Understand, the foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all essences in the present invention
God is with principle, and any modification, equivalent substitution and improvements made etc. should be included in the scope of the protection.
Claims (4)
1. a kind of Maritime traffic safety pulling resistance testing device, it is characterised in that：Including positioned at middle foundation pile and positioned at foundation pile both sides
Flat-bottomed boat, the foundation pile upper end is flexibly connected with horizontal reaction beam centre position；The reaction beam two ends respectively with positioned at it
The big equalizer bar centre position of lower section is hinged, and big equalizer bar is vertically arranged with reaction beam；The big equalizer bar two ends respectively with
The small equalizer bar centre position being disposed below is hinged；Support base has been respectively articulated with below the small equalizer bar two ends, it is described
The jack for heading on respective side support base is provided with flat-bottomed boat；The foundation pile upper end is fixedly connected with fixed seat, positioned at counter-force
The connecting seat linked together with fixed seat by screw rod is provided with above beam centre position, between the reaction beam and fixed seat
It is spaced and reaction beam centre position is provided with the arc convex portion raised up, be provided with the downside of the connecting seat with
The arc groove that the arc convex portion is engaged.
2. Maritime traffic safety pulling resistance testing device according to claim 1, it is characterised in that：The jack is electric hydaulic
Jack.
3. Maritime traffic safety pulling resistance testing device according to claim 1, it is characterised in that：The flat-bottomed boat passes through below
Supporting leg be fixed on seabed, and flat-bottomed boat is higher than sea level height.
4. a kind of Maritime traffic safety pullout tests method, using Maritime traffic safety pulling resistance testing device as claimed in claim 1, it is special
Levy and be：Comprise the following steps：（1）Stress measurement element and strain measurement element are buried on foundation pile, and in the weldering of foundation pile upper end
Connection fixed seat；（2）Two flat-bottomed boats are reached into foundation pile both sides relevant position and fixation respectively；（3）Placed on every flat-bottomed boat
Two pairs of jack, and set up above each pair jack the small equalizer bar with support base；（4）Two couple on every flat-bottomed boat is small
Big equalizer bar is set up above equalizer bar, big equalizer bar two ends are hinged with small equalizer bar centre position；（5）On two flat-bottomed boats
Big equalizer bar between set up reaction beam, reaction beam two ends are hinged with big equalizer bar centre position；（6）In the arc of reaction beam
Connecting seat is buckled above convex portion, and connecting seat and the fixed seat of foundation pile upper end are linked together by screw rod；（7）Regulation is very heavy
Top force height and pressure, it is ensured that the uplift force required for experiment；（8）Start experiment, record stress measurement element and strain are surveyed
Measure test data and analysis that element measurement is obtained.
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 CN105625486A (en) | 2016-06-01 |
| CN105625486B true CN105625486B (en) | 2017-08-29 |
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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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Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
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| 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 |
| CN107217669B (en) * | 2017-04-01 | 2023-10-27 | 南京瑞迪建设科技有限公司 | Pile pulling equipment and quick moving method thereof |
| CN108547330B (en) * | 2018-04-12 | 2020-06-16 | 吴江市建设工程质量检测中心有限公司 | Foundation pile uplift resistance detection device and detection method thereof |
| 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 |
| CN114892733B (en) * | 2022-07-14 | 2022-10-25 | 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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| CN201092380Y (en) * | 2007-04-27 | 2008-07-30 | 中国海洋石油总公司 | Ship mooring facilities of marine oil-gas production platform |
| CN201258494Y (en) * | 2008-08-27 | 2009-06-17 | 湖南省第六工程有限公司 | Loading unit for single-pile vertical anti-pulling static load test |
| CN102442409A (en) * | 2010-10-01 | 2012-05-09 | 第一建设机工股份有限公司 | Deck ascent and descent type worktable ship and construction method of shore wind power generation facility using the same |
| CN103362150A (en) * | 2013-07-20 | 2013-10-23 | 江苏久工重型机械股份有限公司 | Walking type detection platform for static load of engineering foundation piles |
| CN104099955A (en) * | 2014-07-16 | 2014-10-15 | 中铁西北科学研究院有限公司 | Foundation pile vertical uplift detecting connector |
| CN205399506U (en) * | 2016-02-26 | 2016-07-27 | 福建省新能海上风电研发中心有限公司 | Marine foundation pile resistance to plucking test device |
-
2016
- 2016-02-26 CN CN201610106040.3A patent/CN105625486B/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201092380Y (en) * | 2007-04-27 | 2008-07-30 | 中国海洋石油总公司 | Ship mooring facilities of marine oil-gas production platform |
| CN201258494Y (en) * | 2008-08-27 | 2009-06-17 | 湖南省第六工程有限公司 | Loading unit for single-pile vertical anti-pulling static load test |
| CN102442409A (en) * | 2010-10-01 | 2012-05-09 | 第一建设机工股份有限公司 | Deck ascent and descent type worktable ship and construction method of shore wind power generation facility using the same |
| CN103362150A (en) * | 2013-07-20 | 2013-10-23 | 江苏久工重型机械股份有限公司 | Walking type detection platform for static load of engineering foundation piles |
| CN104099955A (en) * | 2014-07-16 | 2014-10-15 | 中铁西北科学研究院有限公司 | Foundation pile vertical uplift detecting connector |
| CN205399506U (en) * | 2016-02-26 | 2016-07-27 | 福建省新能海上风电研发中心有限公司 | Marine foundation pile resistance to plucking test device |
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| CN105625486A (en) | 2016-06-01 |
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