CN206638503U - Offshore wind farm testing stand - Google Patents
Offshore wind farm testing stand Download PDFInfo
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- CN206638503U CN206638503U CN201720434047.8U CN201720434047U CN206638503U CN 206638503 U CN206638503 U CN 206638503U CN 201720434047 U CN201720434047 U CN 201720434047U CN 206638503 U CN206638503 U CN 206638503U
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Abstract
Offshore wind farm testing stand, including test pile, the test pile use steel-pipe pile, and test pile bottom is provided with annular load box, and annular load box bottom is provided with coxopodite counter-force stake.Described four angles of test pile outer rim are respectively arranged with the first reference stake pillar stake, the second reference stake pillar stake, the 3rd reference stake pillar stake, the 4th reference stake pillar stake.The first reference stake pillar stake, the second reference stake pillar stake, the 3rd reference stake pillar stake, lateral fiducial beam, longitudinal datum line beam are fixed with the top of the 4th reference stake pillar stake, the lateral fiducial beam, longitudinal datum line beam, the top braces of test pile are fixed with accommodation platform.The test pile side is provided with more inclination anchoring piles, more straight anchoring piles.Counter-force platform is installed with the top of the inclination anchoring pile, straight anchoring pile.The utility model provides a kind of offshore wind farm testing stand, and the device includes test pile and platform living, and the experiment at offshore wind farm project initial stage can be carried out by test pile, and by the construction of test pile, can substantially calculate whole project；Engineering test pile basis forms accommodation platform basis simultaneously.
Description
Technical field
It the utility model is related to offshore wind farm construction technical field, and in particular to a kind of offshore wind farm testing stand, use
In to the experiment fixed installation of pile foundation and building for accommodation platform.
Background technology
Preliminary test for needing progress single pile base before extensive, Large Copacity offshore wind farm units' installation, wherein stake
Base content of the test includes pile foundation test in itself and its quantities is tested.In the prior art, offshore wind farm units' installation environment is more
Complexity, the various parameters required in Wind turbines installation how are effectively obtained, determine that construction technology and construction parameter are current
The big technical barrier faced, experimental rig of the prior art, locally it can only obtain one or several in terms of some
Test parameters, far can not meet the needs of subsequent construction technique.Therefore how to reflect comprehensively needed for offshore wind farm experiment installation
The various parameters wanted, checked and accepted for successive projects, superior offer reliable basis are provided, be currently to want technical problems to be solved.
The content of the invention
The utility model provides a kind of offshore wind farm testing stand, and the device includes test pile and accommodation platform, passes through experiment
Stake can carry out the experiment at offshore wind farm project initial stage, and by the construction of test pile, can substantially calculate whole project；Together
When engineering test pile basis form accommodation platform basis.
The technical scheme that the utility model is taken is：
Offshore wind farm testing stand, including test pile, the test pile use steel-pipe pile, and test pile bottom is provided with annular load
Lotus case, annular load box bottom are provided with coxopodite counter-force stake.Described four angles of test pile outer rim are respectively arranged with the first reference stake
Pillar stake, the second reference stake pillar stake, the 3rd reference stake pillar stake, the 4th reference stake pillar stake.The first reference stake pillar
The first reference stake, the second reference stake are respectively installed with inside stake, the 3rd reference stake pillar stake.The first reference stake pillar stake,
Second reference stake pillar stake, the 3rd reference stake pillar stake, lateral fiducial beam, longitudinal direction are fixed with the top of the 4th reference stake pillar stake
Datum line beam, the lateral fiducial beam, longitudinal datum line beam, the top braces of test pile are fixed with accommodation platform.The test pile side
Face is provided with more inclination anchoring piles, more straight anchoring piles.Counter-force platform is installed with the top of the inclination anchoring pile, straight anchoring pile.
Multiple earth pressure gauges, the test pile bottom installation are installed on the outer wall of the test pile, close to pile foundation bottom
There are multiple pore pressure meters, the earth pressure gauge, pore pressure meter pass through earth pressure gauge cable, pore pressure force meter cable and measuring instrument phase respectively
Even.
The inside of the test pile is provided with stationary slope level, and the stationary slope level is encapsulated in inside inclinometer pipe,
And it is connected by clinometer cable with measuring instrument.
The top exterior walls of the test pile are uniformly provided with multiple steel plate stressometers, and the inwall at the top of test pile is provided with
Multiple two are all connected to accelerometer, the steel plate stressometer and two to accelerometer with measuring instrument.
The stake footpath of the test pile is 5500-5800mm, and overall length wall thickness is 70mm, the total processing length of test pile
For 70-71m, wherein embedded depth 45-47m, into silty sand ground.
First reference stake, the second reference stake use identical steel-pipe pile, a diameter of 900mm, wall thickness 15mm；It is described
First reference stake pillar stake, the second reference stake pillar stake, the 3rd reference stake pillar stake, the 4th reference stake pillar stake all use steel pipe
Stake, stake footpath is 1400mm, wall thickness 20mm.
The inclination anchoring pile, the quantity of straight anchoring pile are respectively 6 and 4, all using steel-pipe pile.
The slope for tilting anchoring pile is 5:1, wherein embedded depth 33-35m, into layer silt silty sand ground.
On the inwall of the test pile, optical fiber is embedded with by cable casing.
The utility model offshore wind farm testing stand, has the beneficial effect that：
The 1st, test pile is set before Wind turbines installation is carried out, obtain the Compressive Bearing Capacity value of steel-pipe pile single pile, obtain
Pile shaft force distribution and stake week each rock-soil layer side friction, make-up end resistance under finder charge；Make-up end movement, pile body elastic compression
Deng；Obtain steel-pipe pile list make-up CAPO test value, obtain each rock-soil layer resistance to plucking side friction and resistance to plucking folding under finder charge
Subtract coefficient etc.；It is curved to obtain each rock-soil layer horizontal resist forces characteristic, pile body under steel-pipe pile horizontal bearing capacity of single pile value, measured test load
Square, pile deflection etc.；Analysis steel pipe make-up make-up end black-out effect etc. provides foundation for the optimization design and large-area construction of make-up base.
2nd, high-strain dynamic pegging, by analyzing make-up caused power and acceleration under impact force action, the axle of make-up is determined
Pile body stress and wink when to bearing capacity, evaluating pile body integrity, and analyzing the resistance distribution of soil, the performance indications of pile monkey, piling
When settling character.And bearing capacity result and static load test result are contrasted.
3rd, by single make-up static load test and high strain monitoring achievement, quiet, power examination make-up correlation data is obtained, is engineering make-up
Detection provides foundation.
4th, experiment is passed through, there is provided accurate complete construction note, determine construction technology and construction parameter, be Construction of Engineering Pile
Technological parameter selection provides foundation.
5th, processed by jump bit, vibrator processing, debugging, Fundamentals of Measurement damping, damping when basic fundamental frequency measure.
6th, according to the test result of pile body earth pressure gauge and make-up week pore water pressure sensor, single make-up static load test is aided in
Back analysis.
7th, by monitoring and testing, test achievement is formed, is the acceptance of work, the superior offer reliable basis of calibration.
Brief description of the drawings
Fig. 1 is overlooking the structure diagram of the present utility model.
Fig. 2 is main structure diagram of the present utility model.
Embodiment
As shown in Figure 1 and Figure 2, offshore wind farm testing stand, including test pile 1, the test pile 1 use steel-pipe pile, test pile
1 bottom is provided with annular load box 2, and the annular bottom of load box 2 is provided with coxopodite counter-force stake 3.
Described 1 outer rim of test pile, four angles be respectively arranged with the first reference stake pillar stake 19, the second reference stake pillar stake 20,
3rd reference stake pillar stake 21, the 4th reference stake pillar stake 23.The first reference stake pillar stake 19, the 3rd reference stake pillar stake
The first reference stake 18, the second reference stake 22 are respectively installed with inside 21.The first reference stake pillar stake 19, the second reference stake shield
Pile tube 20, the 3rd reference stake pillar stake 21, the top of the 4th reference stake pillar stake 23 are fixed with lateral fiducial beam 16, longitudinal benchmark
Beam 17, the lateral fiducial beam 16, longitudinal datum line beam 17, the top braces of test pile 1 are fixed with accommodation platform 10；
The side of test pile 1 is provided with more inclination anchoring piles 12, more straight anchoring piles 13；The inclination anchoring pile 12, straight anchor
The top of stake 13 is installed with counter-force platform 11.
Multiple earth pressure gauges 5, the bottom of test pile 1 peace are installed on the outer wall of the test pile 1, close to pile foundation bottom
Equipped with multiple pore pressure meters 6, the earth pressure gauge 5, pore pressure meter 6 respectively by earth pressure gauge cable 15, pore pressure force meter cable 14 with
Measuring instrument is connected.
The inside of the test pile 1 is provided with stationary slope level 4, and the stationary slope level 4 is encapsulated in inclinometer pipe
Portion, and be connected by clinometer cable with measuring instrument.
The top exterior walls of the test pile 1 are uniformly provided with multiple steel plate stressometers 8, the inwall peace at the top of test pile 1
All it is connected equipped with multiple two to accelerometer 9, the steel plate stressometer 8 and two to accelerometer 9 with measuring instrument.
The stake footpath of the test pile 1 is 5500-5800mm, and overall length wall thickness is 70mm, and the test pile 1 always grow by processing
Spend for 70-71m, wherein embedded depth 45-47m, into silty sand ground.
First reference stake 18, the second reference stake 22 use identical steel-pipe pile, a diameter of 900mm, wall thickness 15mm；
The first reference stake pillar stake 19, the second reference stake pillar stake 20, the 3rd reference stake pillar stake 21, the 4th reference stake pillar stake
23 all use steel-pipe pile, and stake footpath is 1400mm, wall thickness 20mm.
The inclination anchoring pile 12, the quantity of straight anchoring pile 13 are respectively 6 and 4, all using steel-pipe pile.
The slope for tilting anchoring pile 12 is 5:1, wherein embedded depth 33-35m, into layer silt silty sand ground.
On the inwall of the test pile 1, optical fiber 7 is embedded with by cable casing.
A kind of offshore wind farm testing stand of the utility model, the course of work and operation principle be：
When the total amount of pile of unit is below 500, test pile should not be less than 2, if Wind Power Project is intended using 100 lists
Machine capacity is 3MW Wind turbines, and total amount of pile is 100, therefore, drafts test pile quantity as 1, while with engineering test pile base
Plinth is life platform base.A kind of offshore wind farm testing stand of the utility model, tested especially suitable for 300MW offshore wind farms.For
It can be tested by test pile, on the basis of checking pile bearing capacity can reach design requirement, set to follow-up blower foundation
Meter optimization provides more rich data or information, and the design of driving analysis test on piles embodiment should be with axial compression resistance, resistance to plucking static load test
Reach outcome data to be enough to determine foundation pile axial compression resistance, CAPO test；Horizontal static load test must reach design requirement
Pile body horizontal displacement, basic mud face corner be target.It should be specifically noted that for estimated maximum finder charge and loading counter-force
Design, the review of device etc., formulate comprehensively full and accurate experiment embodiment.
Obtain the Compressive Bearing Capacity value of steel-pipe pile single pile, obtain pile shaft force distribution and stake week each rock-soil layer under finder charge
Side friction, make-up end resistance；Make-up end movement, pile body elastic compression etc.；Obtain steel-pipe pile list make-up CAPO test value, obtain
Each rock-soil layer resistance to plucking side friction and resistance to plucking reduction coefficient etc. under finder charge；Obtain steel-pipe pile horizontal bearing capacity of single pile value, reality
Survey each rock-soil layer horizontal resist forces characteristic, bending, pile deflection etc. under finder charge；Analyze steel pipe make-up make-up end black-out effect etc.
Foundation is provided for the optimization design and large-area construction of make-up base.
Claims (9)
1. offshore wind farm testing stand, including test pile（1）, it is characterised in that：The test pile（1）Using steel-pipe pile, test pile
（1）Bottom is provided with annular load box（2）, annular load box（2）Bottom is provided with coxopodite counter-force stake（3）；The test pile（1）
Four angles of outer rim are respectively arranged with the first reference stake pillar stake（19）, the second reference stake pillar stake（20）, the 3rd reference stake pillar
Stake（21）, the 4th reference stake pillar stake（23）；The first reference stake pillar stake（19）, the 3rd reference stake pillar stake（21）It is internal
It is respectively installed with the first reference stake（18）, the second reference stake（22）；The first reference stake pillar stake（19）, the second reference stake shield
Pile tube（20）, the 3rd reference stake pillar stake（21）, the 4th reference stake pillar stake（23）Top be fixed with lateral fiducial beam（16）、
Longitudinal datum line beam（17）, the lateral fiducial beam（16）, longitudinal datum line beam（17）, test pile（1）Top braces be fixed with life
Platform living（10）；The test pile（1）Side is provided with more inclination anchoring piles（12）, more straight anchoring piles（13）；The inclination anchor
Stake（12）, straight anchoring pile（13）Top is installed with counter-force platform（11）.
2. offshore wind farm testing stand according to claim 1, it is characterised in that：The test pile（1）Outer wall on, close to stake
Basal part is provided with multiple earth pressure gauges（5）, the test pile（1）Bottom is provided with multiple pore pressure meters（6）, the earth pressure gauge
（5）, pore pressure meter（6）Pass through earth pressure gauge cable respectively（15）, pore pressure force meter cable（14）It is connected with measuring instrument.
3. offshore wind farm testing stand according to claim 1, it is characterised in that：The test pile（1）Inside be provided with it is solid
Fixed pattern inclinometer（4）, the stationary slope level（4）It is encapsulated in inside inclinometer pipe, and passes through clinometer cable and measuring instrument
It is connected.
4. offshore wind farm testing stand according to claim 1, it is characterised in that：The test pile（1）Top exterior walls it is uniform
Multiple steel plate stressometers are installed（8）, in test pile（1）The inwall at top is provided with multiple two to accelerometer（9）, the steel
Plate stressometer（8）With two to accelerometer（9）All it is connected with measuring instrument.
5. offshore wind farm testing stand according to claim 1, it is characterised in that：The test pile（1）Stake footpath be 5500-
5800mm, overall length wall thickness are 70mm, the test pile（1）Total processing length is 70-71m, wherein embedded depth 45-47m,
Into silty sand ground.
6. offshore wind farm testing stand according to claim 1, it is characterised in that：First reference stake（18）, the second benchmark
Stake（22）Using identical steel-pipe pile, a diameter of 900mm, wall thickness 15mm；The first reference stake pillar stake（19）, the second base
Quasi- stake pillar stake（20）, the 3rd reference stake pillar stake（21）, the 4th reference stake pillar stake（23）Steel-pipe pile is all used, stake footpath is
1400mm, wall thickness 20mm.
7. offshore wind farm testing stand according to claim 1, it is characterised in that：The inclination anchoring pile（12）, straight anchoring pile（13）
Quantity be respectively 6 and 4, all using steel-pipe pile.
8. offshore wind farm testing stand according to claim 1, it is characterised in that：The inclination anchoring pile（12）Slope be 5:1,
Wherein embedded depth 33-35m, into layer silt silty sand ground.
9. offshore wind farm testing stand according to claim 1, it is characterised in that：The test pile（1）Inwall on, pass through electricity
Cable shield-tube embedment has optical fiber（7）.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720434047.8U CN206638503U (en) | 2017-04-24 | 2017-04-24 | Offshore wind farm testing stand |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720434047.8U CN206638503U (en) | 2017-04-24 | 2017-04-24 | Offshore wind farm testing stand |
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| Publication Number | Publication Date |
|---|---|
| CN206638503U true CN206638503U (en) | 2017-11-14 |
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ID=60246849
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720434047.8U Active CN206638503U (en) | 2017-04-24 | 2017-04-24 | Offshore wind farm testing stand |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109778926A (en) * | 2019-03-22 | 2019-05-21 | 交通运输部天津水运工程科学研究所 | A kind of single pile compression dead load test device, construction method and specific purpose tool |
-
2017
- 2017-04-24 CN CN201720434047.8U patent/CN206638503U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109778926A (en) * | 2019-03-22 | 2019-05-21 | 交通运输部天津水运工程科学研究所 | A kind of single pile compression dead load test device, construction method and specific purpose tool |
| CN109778926B (en) * | 2019-03-22 | 2024-02-02 | 交通运输部天津水运工程科学研究所 | Single pile compression-resistant static load test device, construction method and special tool |
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