CN205538157U - Marine wind power pile foundation reduction vibration detection experimental system - Google Patents
Marine wind power pile foundation reduction vibration detection experimental system Download PDFInfo
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- CN205538157U CN205538157U CN201620317175.XU CN201620317175U CN205538157U CN 205538157 U CN205538157 U CN 205538157U CN 201620317175 U CN201620317175 U CN 201620317175U CN 205538157 U CN205538157 U CN 205538157U
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- 238000001514 detection method Methods 0.000 title claims abstract description 17
- 239000002689 soil Substances 0.000 claims abstract description 51
- 230000001133 acceleration Effects 0.000 claims abstract description 17
- 229920006395 saturated elastomer Polymers 0.000 claims abstract description 12
- 238000004891 communication Methods 0.000 claims abstract description 7
- 238000012545 processing Methods 0.000 claims description 8
- 238000013461 design Methods 0.000 abstract description 5
- 230000007613 environmental effect Effects 0.000 abstract description 4
- 239000011888 foil Substances 0.000 abstract 3
- 230000000694 effects Effects 0.000 description 4
- 238000011160 research Methods 0.000 description 3
- 238000012360 testing method Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 2
- 230000002093 peripheral effect Effects 0.000 description 2
- 239000011148 porous material Substances 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 238000007596 consolidation process Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Abstract
The utility model relates to a marine wind power pile foundation reduction vibration detection experimental system belongs to marine wind power pile foundation reduction vibration detection experimental system technical field. Tu chi below including the wave current basin and locating the wave current basin, the saturated soil body has been filled in the soil pond, the top of pile body is equipped with the pylon, the fan is installed to the one end that the pylon is located the wave current basin outside, be equipped with a plurality of looks spaced pile body foil gages on one side direction of height of pile body, relative one side of pile body is buried underground a plurality ofly and the corresponding soil pressure cell of pile body foil gage, a plurality of hole hydraulic gauges have still been buried underground to the pile body both sides, install a plurality of looks spaced acceleration sensor on the direction of height of pylon, the pile body foil gage, soil pressure cell, the hole hydraulic gauge, acceleration sensor all gathers the appearance communication with dynamic data and is connected. The utility model discloses structural design is ingenious, can adopt environmental load such as wave to encourage, pile foundation reduction and the whole dynamic characteristics relation of structure under can reflection ocean directly perceived dynamic load.
Description
Technical field
This utility model relates to a kind of offshore wind farm pile foundation and weakens vibration detection experimental system, belongs to offshore wind farm pile foundation and weakens vibration detection experimental system technical field of structures.
Background technology
The integral dynamic properties of offshore wind farm structure is the key factor affecting structural safety.But under drive marine load action, Pile Soil effect is extremely complex, stake week saturated soil rigidity and intensity easily weaken, directly influence the load-carrying properties of pile foundation and the integral dynamic properties of structure, also will cause structural failure time serious, cause huge economic loss and bad social influence.Therefore, under research drive marine load action, offshore wind farm Pile Soil effect weakens the relation between rule, quantizing structure integral dynamic properties and pile foundation reduction, and explore the method for detecting vibration that pile foundation weakens, for ensureing that the safe operation of offshore wind farm has great importance.
At present, in the experimentation in this field, some is that the circulation individually being inquired into ocean saturated soil by Dynamic triaxial test weakens rule；Also some is to set up Pile Soil effect experimental model, uses electromagnetic exciting or vibration table load mode to simulate drive marine load, thus inquires into the dynamic trait of Pile-soil System.But these laboratory facilities are not to use the environmental loads such as wave to encourage, can not intuitively reflect that pile foundation under drive marine load weakens the relation with structure integral dynamic properties, therefore design a set of experimental system that can simultaneously reflect Pile Soil effect reduction and structure integral dynamic properties and the research in this field is had great importance.
Summary of the invention
The purpose of this utility model is that and solves the weak point that above-mentioned prior art exists, a kind of smart structural design is provided, the environmental loads such as wave can be used to encourage, can intuitively reflect that under drive marine load, pile foundation weakens the offshore wind farm pile foundation reduction vibration detection experimental system with structure integral dynamic properties relation.
For realizing above-mentioned purpose of the present utility model, this utility model by the following technical solutions:
nullA kind of offshore wind farm pile foundation weakens vibration detection experimental system，It is characterized in that and includes wave current tank 1 and be located at the native pond 2 below wave current tank 1，Soil has filled the saturated soil body 3 in pond 2，In pile body 4 is inserted in soil pond 2 and bottom is consolidated on soil pond 2，The top of pile body 4 is provided with the pylon 5 being integrated with structure，Pylon 5 part is positioned at wave current tank 1、It is outside that part is positioned at wave current tank 1，Pylon 5 is positioned at the one end outside wave current tank 1 and is provided with blower fan 6，The side short transverse of pile body 4 is provided with multiple pile strain sheet 7 separately，The opposite side of pile body 4 is embedded with multiple soil pressure cell 8 corresponding with pile strain sheet 7，Pile body 4 both sides are also embedded with multiple ventage piezometer 9，Multiple acceleration transducer 10 separately is installed in the short transverse of pylon 5，Pile strain sheet 7、Soil pressure cell 8、Ventage piezometer 9、Acceleration transducer 10 is all connected with Dynamic Data Acquiring instrument 11 communication，Dynamic Data Acquiring instrument 11 and Pile Soil worked upon data processing platform 12、Modal Parameter Identification platform 13 communication connects，Pile Soil worked upon data processing platform 12、Modal Parameter Identification platform 13 weakens state recognition platform 14 communication with pile foundation and is connected；
The described saturated soil body 3 includes the saturated stickiness soil layer 16 of placement in layers, saturated sand layer 17；
Soil pond pervious bed 15 it is additionally provided with on the medial wall in described soil pond 2；
The outside of described acceleration transducer 10 is provided with waterproof layer.
Offshore wind farm pile foundation of the present utility model weakens vibration detection experimental system, reasonable in design, is detected the deformation of pile body respectively by pile strain sheet, soil pressure cell, the pressure of pile peripheral earth；Pore water pressure by the ventage piezometer detection soil body；Acceleration transducer is for testing the acceleration responsive signal of structure；The data collected are delivered to Dynamic Data Acquiring instrument by pile strain sheet, soil pressure cell, ventage piezometer, acceleration transducer；Utilize wave loading system, in wave current tank, offshore wind farm structure is applied wave load, Dynamic Data Acquiring instrument is by the Pile Soil worked upon data processing platform in the data classification collected, the incoming data handling system of subchannel and Modal Parameter Identification platform, and result weakens state recognition platform for pile foundation.In sum, this utility model can use the environmental loads such as wave to encourage, and can intuitively reflect that under drive marine load, pile foundation weakens and structure integral dynamic properties relation, and the research for this field has great importance.
Accompanying drawing explanation
Fig. 1: this utility model offshore wind farm pile foundation weakens the structural representation of vibration detection experimental system.
Detailed description of the invention
Below the technical scheme in this utility model embodiment is clearly and completely described, it is clear that described embodiment is only a part of embodiment of this utility model rather than whole embodiments.Based on the embodiment in this utility model, the every other embodiment that those of ordinary skill in the art are obtained under not having creative work premise, broadly fall into the scope of this utility model protection.
Embodiment 1
In the present embodiment, offshore wind farm pile foundation weakens vibration detection experimental system, as it is shown in figure 1, include that wave current tank 1, soil pond 2, the saturated soil body 3, pile body 4, pylon 5, blower fan 6, pile strain sheet 7, soil pressure cell 8, ventage piezometer 9, acceleration transducer 10, Dynamic Data Acquiring instrument 11, Pile Soil worked upon data processing platform 12, Modal Parameter Identification platform 13, pile foundation weaken state recognition platform 14, soil pond pervious bed 15.Wherein, soil pond 2 is placed in below wave current tank 1 bottom surface, Tu Chi medial wall arranges several layers 15, the soil body 3 is by saturated cohesive soil and saturated sand placement in layers, and natural consolidation and the most saturated can be realized, offshore wind farm structural model system (the present embodiment is single pile formula wind-powered electricity generation structure) is made according to dynamic similarity principle design, comprise pile body 4, pylon 5 and blower fan 6, pile body 4 inserts in soil pond 2, and it is consolidated in Tu Chidi, pile strain sheet 7 is pasted on pile body 4 side, and soil pressure cell 8 is laid in pile body 4 opposite side, and corresponding with pile strain sheet 7 position；Ventage piezometer 9 is laid in both sides before and after pile body 4, acceleration transducer 10 is uniformly laid in the above pile body in mud face 4 and pylon 5 side, pile strain sheet 7, soil pressure cell 8, ventage piezometer 9 and acceleration transducer 10 all access Dynamic Data Acquiring instrument 11, utilize wave loading system, in wave current tank 1, offshore wind farm structure is applied wave load；Dynamic Data Acquiring instrument 11 is by the Pile Soil worked upon data processing platform 12 in the data classification collected, the incoming data handling system of subchannel and Modal Parameter Identification platform 13, and result weakens state recognition platform 14 for pile foundation；Researcher can weaken state recognition platform 14 by pile foundation and verify the pile foundation reduction method for detecting vibration explored.
The offshore wind farm pile foundation of the present embodiment weakens vibration detection experimental system, during use, by pile strain sheet 7, soil pressure cell 8 detects the deformation of pile body 4 respectively, the pressure of pile peripheral earth, the pore water pressure of the soil body is detected by ventage piezometer 9, acceleration transducer 10 is for testing the acceleration responsive signal of structure, pile strain sheet 7, soil pressure cell 8, ventage piezometer 9, the data collected are delivered to Dynamic Data Acquiring instrument 11 by acceleration transducer 10, utilize wave loading system, in wave current tank 1, offshore wind farm structure is applied wave load, the data classification that Dynamic Data Acquiring instrument 11 will collect, Pile Soil worked upon data processing platform 12 in the incoming data handling system of subchannel and Modal Parameter Identification platform 13, result weakens state recognition platform 14 for pile foundation.
The foregoing is only preferred embodiment of the present utility model, not in order to limit this utility model, all within spirit of the present utility model and principle, any modification, equivalent substitution and improvement etc. made, within should be included in protection domain of the present utility model.
Claims (4)
- null1. an offshore wind farm pile foundation weakens vibration detection experimental system，It is characterized in that including wave current tank (1) and being located at the Tu Chi (2) of wave current tank (1) lower section，The saturated soil body (3) has been filled in Tu Chi (2)，Pile body (4) is inserted in Tu Chi (2) and bottom is consolidated on Tu Chi (2)，The top of pile body (4) is provided with the pylon (5) being integrated with structure，Pylon (5) part is positioned at wave current tank (1)、It is outside that part is positioned at wave current tank (1)，One end that pylon (5) is positioned at wave current tank (1) outside is provided with blower fan (6)，The side short transverse of pile body (4) is provided with multiple pile strain sheet (7) separately，The opposite side of pile body (4) is embedded with multiple soil pressure cell (8) corresponding with pile strain sheet (7)，Pile body (4) both sides are also embedded with multiple ventage piezometer (9)，Multiple acceleration transducer (10) separately is installed in the short transverse of pylon (5)，Pile strain sheet (7)、Soil pressure cell (8)、Ventage piezometer (9)、Acceleration transducer (10) is all connected with Dynamic Data Acquiring instrument (11) communication，Dynamic Data Acquiring instrument (11) and Pile Soil worked upon data processing platform (12)、Modal Parameter Identification platform (13) communication connects，Pile Soil worked upon data processing platform (12)、Modal Parameter Identification platform (13) weakens state recognition platform (14) communication with pile foundation and is connected.
- 2. weaken vibration detection experimental system according to a kind of offshore wind farm pile foundation described in claim 1, it is characterised in that the described saturated soil body (3) includes the saturated stickiness soil layer (16) of placement in layers, saturated sand layer (17).
- 3. weaken vibration detection experimental system according to a kind of offshore wind farm pile foundation described in claim 1, it is characterised in that on the medial wall of described Tu Chi (2), be additionally provided with soil pond pervious bed (15).
- 4. weaken vibration detection experimental system according to a kind of offshore wind farm pile foundation described in claim 1, it is characterised in that the outside of described acceleration transducer (10) is provided with waterproof layer.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620317175.XU CN205538157U (en) | 2016-04-16 | 2016-04-16 | Marine wind power pile foundation reduction vibration detection experimental system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201620317175.XU CN205538157U (en) | 2016-04-16 | 2016-04-16 | Marine wind power pile foundation reduction vibration detection experimental system |
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| CN205538157U true CN205538157U (en) | 2016-08-31 |
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| CN201620317175.XU Expired - Fee Related CN205538157U (en) | 2016-04-16 | 2016-04-16 | Marine wind power pile foundation reduction vibration detection experimental system |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107386342A (en) * | 2017-09-08 | 2017-11-24 | 华电重工股份有限公司 | Offshore wind farm single-pile foundation stake monitoring device |
| CN108507756A (en) * | 2017-11-17 | 2018-09-07 | 浙江工业大学 | Wave square shaped pile imposed load research device and its test method |
| CN109406096A (en) * | 2018-11-21 | 2019-03-01 | 大连理工大学 | A kind of floating-type offshore wind power unit measuring device and its method |
| CN109599015A (en) * | 2018-11-21 | 2019-04-09 | 大连理工大学 | The mixed model experimental provision and its experimental method of floating-type offshore wind power unit |
| CN109723091A (en) * | 2017-10-27 | 2019-05-07 | 中国海洋大学 | A kind of experimental provision measuring three spud leg wave loadings of drilling platforms |
-
2016
- 2016-04-16 CN CN201620317175.XU patent/CN205538157U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107386342A (en) * | 2017-09-08 | 2017-11-24 | 华电重工股份有限公司 | Offshore wind farm single-pile foundation stake monitoring device |
| CN107386342B (en) * | 2017-09-08 | 2023-08-15 | 华电重工股份有限公司 | Marine wind power single pile foundation pile monitoring device |
| CN109723091A (en) * | 2017-10-27 | 2019-05-07 | 中国海洋大学 | A kind of experimental provision measuring three spud leg wave loadings of drilling platforms |
| CN109723091B (en) * | 2017-10-27 | 2024-02-20 | 中国海洋大学 | Experimental device for measuring wave current load of three spud legs of drilling platform |
| CN108507756A (en) * | 2017-11-17 | 2018-09-07 | 浙江工业大学 | Wave square shaped pile imposed load research device and its test method |
| CN109406096A (en) * | 2018-11-21 | 2019-03-01 | 大连理工大学 | A kind of floating-type offshore wind power unit measuring device and its method |
| CN109599015A (en) * | 2018-11-21 | 2019-04-09 | 大连理工大学 | The mixed model experimental provision and its experimental method of floating-type offshore wind power unit |
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| 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: 20160831 |