CN106013279B - Blower foundation experiment loading unit and method - Google Patents
Blower foundation experiment loading unit and method Download PDFInfo
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- CN106013279B CN106013279B CN201610603317.3A CN201610603317A CN106013279B CN 106013279 B CN106013279 B CN 106013279B CN 201610603317 A CN201610603317 A CN 201610603317A CN 106013279 B CN106013279 B CN 106013279B
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Classifications
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- 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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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D27/00—Foundations as substructures
- E02D27/32—Foundations for special purposes
- E02D27/44—Foundations for machines, engines or ordnance
Abstract
The invention discloses a kind of blower foundation experiment loading unit and method, which includes tower and the counter force wall positioned at the tower side；The bottom of the tower is connect with the foundation ring of blower foundation model；First level loading component and the second horizontal addload component are equipped between the tower and the counter force wall, the first level loading component is used to apply horizontal force to the first level load(ing) point of the tower；The second horizontal addload component is used to apply horizontal force to the second horizontal addload point of the tower；Wherein, the first level load(ing) point is different with the height of the second horizontal addload point.The height of the device is smaller, and can apply smaller horizontal force and larger moment of flexure simultaneously, and under the conditions of realizing conventional test room, the smaller horizontal force of blower foundation model and the matching of larger moment of flexure load demand.
Description
Technical field
The present invention relates to technical field of wind power, more particularly to a kind of blower foundation experiment loading unit and method.
Background technique
In wind power technology, basic ring type blower foundation is widely used.Foundation ring and surrounding concrete in this blower foundation,
The collaborative work state of reinforcing bar binding site is sufficiently complex.
Multi-purpose experiment loading unit loads blower foundation model at present, simulates blower fan basis it is loaded, and to base
Plinth ring, surrounding concrete, reinforcing bar ess-strain measure, to explore the collaborative work principle of foundation ring and three, and
The bearing capacity of the base form.
In practice, the load that blower foundation is subject to is complex, including vertical load, horizontal load, moment of flexure and torque.
Existing experiment loading unit is mostly single horizontal addload or single vertical load, and loading device is put to the test room headroom
It is limited, the smaller horizontal force born for blower foundation and larger moment of flexure, cannot achieve matching load, to also just cannot achieve
Moment of flexure, horizontal force, vertical force and torque Combined Loading.
Therefore, how a kind of blower foundation experiment loading unit and method are provided, can apply simultaneously smaller horizontal force and
Larger moment of flexure is that those skilled in the art need at present to realize the load demand of the smaller horizontal force of blower foundation and larger moment of flexure
Technical problems to be solved.
Summary of the invention
The object of the present invention is to provide a kind of blower foundation experiment loading unit and methods, and the height of the device is smaller, and
Smaller horizontal force and larger moment of flexure can be applied simultaneously, under the conditions of realizing conventional test room, the smaller level of blower foundation model
The matching of power and larger moment of flexure loads demand.
In order to solve the above technical problems, the present invention provides a kind of blower foundation experiment loading unit, including tower and it is located at
The counter force wall of the tower side；The bottom of the tower is connect with the foundation ring of blower foundation model；
It is equipped with first level loading component and the second horizontal addload component between the tower and the counter force wall, described the
One horizontal addload component is used to apply horizontal force to the first level load(ing) point of the tower；The second horizontal addload component is used
In to the second horizontal addload point of the tower apply horizontal force；
Wherein, the first level load(ing) point is different with the height of the second horizontal addload point.
Blower foundation experiment loading unit provided by the invention, is provided with tower on blower foundation model, passes through tower
Moment of flexure and horizontal force needed for applying to the top of blower foundation model, specifically, there are two different heights for setting in tower
Horizontal addload point, when load, by first level loading component, the second horizontal addload component respectively to the first level of tower
Load(ing) point, the second horizontal addload point apply pulling force (or pressure) and pressure (or pulling force), due to the pulling force of application and the side of pressure
To on the contrary, so finally to blower foundation model apply horizontal force it is smaller, simultaneously as apply pulling force and pressure load(ing) point
Height it is different, it is finally larger to the moment of flexure of blower foundation model application so pass through the cooperation of difference in height and applied force size；
That is, passing through the coordinative role of the first, second horizontal addload component, the lesser loading device of height can be made simultaneously to wind
Machine basic model applies smaller horizontal force and larger moment of flexure, and therefore, which can be right under the conditions of conventional test
Blower foundation model applies the matching load of smaller horizontal force and larger moment of flexure.
Optionally, it is equipped between the first level loading component, the second horizontal addload component and the tower
Force snesor.
Optionally, it is arranged with anchor ear at the first level load(ing) point of the tower and the second horizontal addload point, described
One horizontal addload component, the second horizontal addload component pass through the anchor ear of corresponding position respectively and the tower connects
It connects.
Optionally, further include the reaction frame being located above the tower, be equipped with and use between the reaction frame and the tower
In the vertical loading component for applying vertical force to the tower.
Optionally, top plate is equipped between the top of the tower and the vertical loading component.
Optionally, the vertical loading component is connect by sliding support with the reaction frame.
Optionally, the lateral wall of the also described tower is additionally provided with two horizontal lifting lugs, and two horizontal lifting lugs are located at described
The same cross section institute of tower planar, and center of the line of two horizontal lifting lugs Jing Guo the tower；Two institutes
It states horizontal lifting lug and is separately connected third, the 4th horizontal addload component, the third, the 4th horizontal addload component can be to the towers
Cylinder applies contrary pulling force to apply torque to the tower.
Optionally, two horizontal lifting lugs are arranged close to the bottom of the tower.
Optionally, the third, the 4th horizontal addload component are connected with two columns for being set to the tower side respectively, institute
It states and is equipped with tension sensor between third, the 4th horizontal addload component and the corresponding column.
Optionally, the bottom of the tower is detachably connected with the foundation ring.
It optionally, further include the beam body being arranged between the blower foundation model and the counter force wall.
The present invention also provides a kind of blower foundations to test loading method, is connected with tower on the foundation ring of blower foundation model
Cylinder；The method includes the following steps：By the load(ing) point of two different heights to the tower apply respectively horizontal pull,
Horizontal thrust is loaded with the matching for realizing moment of flexure and horizontal force.
Consistent with the loading principle of aforementioned blower foundation experiment loading unit, this method also can be realized in conventional test item
The matching for applying smaller horizontal force and larger moment of flexure to blower foundation model under part loads.
The present invention also provides another blower foundations to test loading method, is connected with tower on the foundation ring of blower foundation model
Cylinder；The method includes the following steps：
Torque first is applied to the tower；
Horizontal pull, horizontal thrust are applied by the load(ing) point of two different heights to the tower respectively again, with reality
The matching of existing moment of flexure and horizontal force loads；
Vertical force finally is applied to the tower.
Similar with preceding method, the method achieve apply smaller level to blower foundation model under the conditions of conventional test
The matching of power and larger moment of flexure loads, and answers so as to carry out moment of flexure-horizontal force-vertical force-torque to blower foundation model
Load is closed, and the sequence of above-mentioned load can be avoided influencing each other between loading method.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of specific embodiment mode of blower foundation experiment loading unit provided by the present invention；
Apply structural schematic diagram when torque Fig. 2 shows blower foundation experiment loading unit.
Description of symbols：
Blower foundation model 10, foundation ring 11, beam body 12, ground anchor bolt 13, nut 14, press beam 15；
Tower 21, upper anchor ear 211, lower anchor ear 212, top plate 213, horizontal lifting lug 214；
Counter force wall 31, first level loading component 32, the second horizontal addload component 33, force snesor 34；
Reaction frame 41, vertical loading component 42, sliding support 43；
Third horizontal addload component 51, the 4th horizontal addload component 52, tension sensor 53, column 54.
Specific embodiment
In order to enable those skilled in the art to better understand the solution of the present invention, with reference to the accompanying drawings and detailed description
The present invention is described in further detail.
Referring to FIG. 1, Fig. 1 is a kind of knot of specific embodiment mode of blower foundation experiment loading unit provided by the present invention
Structure schematic diagram.
In the embodiment, blower foundation experiment loading unit is each to load for applying to blower basic model 10, with mould
The loading conditions of quasi- blower foundation in practical applications, with this to foundation ring in blower foundation in conjunction with surrounding concrete, reinforcing bar
The stress condition at position and basic bearing capacity carry out test and verification.
Wherein, blower foundation model 10 can make according to practical blower foundation equal proportion, certainly, blower foundation model 10
It is fixed on the ground of laboratory.It specifically, can be fixed by blower foundation model 10 by ground anchor bolt 13, nut 14 and press beam 15
In ground.
Foundation ring 11 is also embedded in blower foundation model 10, foundation ring 11 protrudes from the surface of blower foundation model 10.
The experiment loading unit includes tower 21 and the counter force wall 31 set on 21 side of tower, wherein the bottom of tower 21
It is connect with foundation ring 11, the mode being specifically detachably connected.
Specifically, ring flange can be set in 21 bottom of tower, foundation ring 11 is also provided with corresponding ring flange, tower 21 and base
Plinth ring 11 is by ring flange and is bolted, in this way, it is convenient for the disassembly of experiment loading unit and blower foundation model 10, from
And experiment loading unit can reuse, and can be tested for different blower foundation models.
First level loading component 32 and the second horizontal addload component 33 are provided between tower 21 and counter force wall 31,
In, first level loading component 32 is used to apply horizontal force, the second horizontal addload component to the first level load(ing) point of tower 21
33 for applying horizontal force to the second horizontal addload point of tower 21.Wherein, first level load(ing) point and the second horizontal addload point
Height it is different, that is to say, that first level load(ing) point and the second horizontal addload point are located at the vertical different location of tower 21.
In illustrated scheme, first level load(ing) point is higher than the second horizontal addload point.
Specifically, in order to consolidate blower foundation model 10, it can also block between blower foundation model 10 and counter force wall 31 and set
Beam body 12.
As above, which passes through first level loading component 32 and the second horizontal addload component in load
33 apply pulling force (or pressure) and pressure (or pulling force) to the first level load(ing) point of tower 21, the second horizontal addload point respectively,
Due to application pulling force and pressure it is contrary, finally to blower foundation model 10 apply horizontal force it is smaller, simultaneously as
Application pulling force is different from the height of the load(ing) point of pressure, so passing through the cooperation of difference in height and applied force size, finally to blower
The moment of flexure that basic model 10 applies is larger；That is, passing through the coordinative role of the first, second horizontal addload component 32,33, energy
The lesser experiment loading unit of height is enough set to apply smaller horizontal force and larger moment of flexure to blower foundation model 10 simultaneously, therefore,
Under the conditions of conventional test, which be can be realized to the smaller horizontal force of blower foundation model 10 and larger moment of flexure
Matching load.
Explanation is made a concrete analysis of below：
With reference to Fig. 1, illustratively, level is applied to the first level load(ing) point of tower 21 with first level loading component 32
Pressure, the second horizontal addload component 33 illustrate for applying horizontal pull to the second horizontal addload point of tower 21.
The first level load(ing) point of tower 21 is h away from the height of foundation ring1, the second height of the horizontal addload point away from foundation ring 11
Degree is h2, the size point of horizontal pressure force, horizontal pull that first level loading component 32 and the second horizontal addload component 33 apply
It Wei not H1、H2, the moment of flexure applied required for the top of blower foundation model 10 is M, horizontal force H, then：
Solution can obtain：
Specifically, it by the coordinative role of first level loading component 32 and the second horizontal addload component 33, then may make
It is applied to the moment of flexure of blower foundation model 10 and horizontal force while meeting.
With the design moment M=1280kNm of blower foundation model 10, for horizontal force H=52kN, it is assumed that h1=3m, h2=
0.5m, in this way, the pressure H that first level loading component 32 applies1=501.6kN, the drawing that the second horizontal addload component 33 applies
Power H2=449.6kN.
With loading method in the prior art, single-point horizontal addload can only be carried out to blower foundation model, to meet simultaneously
Design moment M=1280kNm, horizontal force H=52kN then need the height h=M/H=24.6m of loading device, for commonly trying
It tests for room, general load height is up to 3m or so, it is clear that conventional test room is unable to satisfy demand；If just with conventional test
Item loads, then when moment of flexure reaches 1280kNm, required horizontal force H0=M/3=427kN, it is clear that far beyond blower foundation
Horizontal force 52kN required for model.
Comparative analysis as above is as it can be seen that experiment loading unit provided by the above embodiment passes through the horizontal addload portion of different height
The coordinative role of part realizes the lesser loading device of height while applying the technical effect of smaller horizontal force and larger moment of flexure,
So that under the conditions of solving existing conventional test room smaller horizontal force and larger moment of flexure can not be born to blower foundation model 10
The technical issues of matching load.
It is appreciated that pulling force can also be applied to tower 21 by first level loading component 32 when practical application, by the
Two horizontal addload components 33 apply pressure to tower 21, to consider the direction for applying moment of flexure not simultaneously to blower foundation model 10
It influences, so that the deformation and bearing capacity to blower foundation model 10 have more fully research and analysis.
In specific scheme, first level loading component 32 and the optional jack of the second horizontal addload component 33, thousand
Jin top can satisfy enough load demands, and technology is highly developed, and cost is relatively low.
In specific scheme, it is equipped between first level loading component 32 and the second horizontal addload component 33 and tower 21
Force snesor 34 carries out real-time monitoring and feedback with the size to applied force.
In specific scheme, it is arranged with anchor ear at the first level load(ing) point and the second horizontal addload point of tower 21, is
Convenient for description, as shown in Figure 1, the anchor ear for being set to first level load(ing) point is known as upper anchor ear 211, the second horizontal addload will be set to
The anchor ear of point is known as lower anchor ear 212, that is to say, that first level loading component 32 is connect with upper anchor ear 211, the second horizontal addload
Component 33 is connect with lower anchor ear 212, applies horizontal force to tower 21 by anchor ear.
The setting of anchor ear can distractive load, the barrel stress for making tower 21 more evenly, avoids local pressure from concentrating.
In specific scheme, experiment loading unit further includes the reaction frame 41 set on 21 top of tower, reaction frame 41 and tower
The vertical loading component 42 for applying vertical force to tower 21 is equipped between cylinder 21.
Specifically, consider from technology and economic aspect, vertical loading component 42 preferentially selects jack.
For the application convenient for vertical force, it is additionally provided with top plate 213 between 21 top of tower and vertical loading component 42, vertically
The vertical force V that loading component 42 applies is transferred to tower 21 by top plate 213.
In this way, vertical loading component 42 is matched with aforementioned first level loading component 32, the second horizontal addload component 33,
It can be realized the moment of flexure to blower foundation model 10-horizontal force-vertical force Combined Loading.
Please also refer to Fig. 2, apply structural schematic diagram when torque Fig. 2 shows blower foundation experiment loading unit.
In specific scheme, experiment loading unit further includes two horizontal lifting lugs 214 set on 21 lateral wall of tower, this two
A horizontal lifting lug 214 is located at the same cross section institute of tower 21 planar, and the line of two horizontal lifting lugs 214 passes through tower
21 center；Two horizontal lifting lugs 214 are separately connected third, the 4th horizontal addload component 51,52, third, the 4th horizontal addload
Component 51,52 can apply contrary pulling force to tower (21) to apply torque to tower 21.
In this way, third, the 4th horizontal addload component 51,52 and aforementioned first level loading component 32, the second horizontal addload
Component 33, vertical loading component 42 match, and can be realized moment of flexure-horizontal force-vertical force-torque to blower foundation model 10
Combined Loading, to simulate realistically the loading conditions of blower foundation in practice, for analyze blower foundation practical distortion and
Bearing capacity provides richer test data.
In specific scheme, the side of tower 21 is provided with the column 54 of certain amount, third, the 4th horizontal addload component
51,52 are connected with column 54 respectively, in order to the application of horizontal force.
As shown in Figure 2, it will be understood that the setting position of column 54 is with 51,52 pairs of third, the 4th horizontal addload component towers
21 power applied are capable of forming subject to torque.
In illustrated scheme, the side of tower 21 is set there are four column 54, is located at four angles of tower 21, when test,
Third, the 4th horizontal addload component 51,52 are connected with two columns 54 being located on diagonal line respectively, to ensure the water of the two application
Flat power is contrary, to apply torque to tower 21.
With shown in Fig. 2, if the pulling force that third, the 4th horizontal addload component 51,52 apply is F1, the arm of force of the two is
L.Torque T=2 × F that then finally blower foundation model 10 is applied1×L。
Specifically, consider from technology and economic aspect, third, the 4th horizontal addload component 51,52 are preferentially selected and pull calabash
Reed.
In specific scheme, pulling force biography is equipped between third, the 4th horizontal addload component 51,52 and corresponding column 54
Sensor 53, to carry out real-time monitoring and feedback to the size for applying pulling force.
In specific scheme, two horizontal lifting lugs 214 are arranged close to the bottom of tower 21, with reference to Fig. 1, preferably by two water
Flat lifting lug 214 is set to the lower section of lower anchor ear 212, on the one hand lower convenient for position, facilitates the load of torque, on the other hand, can keep away
Exempt to cause to interfere with other loading components, influences test result.
It is excellent when carrying out moment of flexure-horizontal force-vertical force-torque Combined Loading to blower foundation model 10 in practical application
First use following load steps：
First pass through third, the 4th horizontal addload component 51,52 applies torque；
Moment of flexure and horizontal force are applied by the first, second horizontal addload component 32,33 again；
Apply vertical force finally by vertical loading component 42.
If after first applying moment of flexure, horizontal force or vertical force, then being pulled by third, the 4th horizontal addload component 51,52
When tower 21 applies torque, since torque is smaller to the effect of blower foundation model 10, it is easy by horizontal and vertical loading component
The influence of additional constraint is generated after force to model；If first applying vertical force, since tower 21 is pressed under the action of vertical force,
It can be right because there are sliding frictions for the load of the first, second horizontal addload component 32,33 between vertical loading component 42 and tower 21
Test result impacts, so preferably first applying torque in practice, then applies moment of flexure and horizontal force, finally applies vertical force.
In specific scheme, vertical loading component 42 is connect by sliding support 43 with reaction frame 41, so that vertical load
Component 42 has certain activity space in the horizontal direction, when the first, second horizontal addload component 32,33 being avoided to load, causes to erect
To the deflection of loading component 42.
It should be pointed out that in practice, as needed, which can be provided only with aforementioned first level load
Component 32, the second horizontal addload component 33 and its dependency structure only apply moment of flexure and horizontal force to blower foundation model 10；According to
It needs, which can also be in setting first level loading component 32, the second horizontal addload component 33 and its related knot
On the basis of structure, vertical loading component 42 and its dependency structure are only set, moment of flexure-horizontal force-is applied to blower foundation model 10
Vertical force load；As needed, which can also be in setting first level loading component 32, the second horizontal addload portion
On the basis of part 33 and its dependency structure, third, the 4th horizontal addload component 51,52 and dependency structure are only set, to blower base
Plinth model 10 applies moment of flexure-horizontal force-torque load；As needed, the also settable aforementioned all loads of the experiment loading unit
Component, to realize moment of flexure-horizontal force-vertical force-torque load.
Other than above-mentioned blower foundation experiment loading unit, the present invention also provides a kind of blower foundations to test loading method,
Wherein, it is connected with tower 21 on the foundation ring 11 of blower foundation model 10, passes through the load of two different heights to tower 21
Point applies horizontal pull, horizontal thrust respectively to realize the matching load of moment of flexure and horizontal force, concrete principle and aforementioned device one
It causes, which is not described herein again.
It should be noted that in this method, without limitation to loading component, as long as can be realized to two of tower 21 not
Apply horizontal pull, horizontal thrust within the scope of protection of this application with height.
The present invention also provides another blower foundations to test loading method, wherein the foundation ring 11 of blower foundation model 10
On be connected with tower 21, this method includes the following steps：
Torque first is applied to tower 21；
Horizontal pull, horizontal thrust are applied by the load(ing) point of two different heights to tower 21 respectively again, to realize
The matching of moment of flexure and horizontal force loads；
Vertical force finally is applied to tower 21.
The method achieve apply smaller horizontal force and larger moment of flexure to blower foundation model 10 under the conditions of conventional test
Matching load, so as to blower foundation model 10 carry out moment of flexure-horizontal force-vertical force-torque Combined Loading, and on
The sequence for stating load can be avoided influencing each other between loading method, and concrete reason is described herein above, here no longer
It repeats.
Blower foundation experiment loading unit provided by the present invention and method are described in detail above.Herein
Apply that a specific example illustrates the principle and implementation of the invention, the explanation of above example is only intended to help
Understand method and its core concept of the invention.It should be pointed out that for those skilled in the art, not taking off
, can be with several improvements and modifications are made to the present invention under the premise of from the principle of the invention, these improvement and modification also fall into this
In invention scope of protection of the claims.
Claims (13)
1. blower foundation experiment loading unit, which is characterized in that including tower (21) and be located at the anti-of the tower (21) side
Power wall (31)；The bottom of the tower (21) is connect with the foundation ring (11) of blower foundation model (10)；
First level loading component (32) and the second horizontal addload portion are equipped between the tower (21) and the counter force wall (31)
Part (33), the first level loading component (32) are used to apply horizontal force to the first level load(ing) point of the tower (21)；
The second horizontal addload component (33) is used to apply horizontal force to the second horizontal addload point of the tower (21)；
Wherein, the first level load(ing) point is different with the height of the second horizontal addload point；
The first level loading component (32) be applied to the first level load(ing) point horizontal force direction and second water
The horizontal force that flat loading component (33) is applied to the second horizontal addload point is contrary.
2. blower foundation experiment loading unit according to claim 1, which is characterized in that the first level loading component
(32), force sensor (34) are all provided between the second horizontal addload component (33) and the tower (21).
3. blower foundation experiment loading unit according to claim 1, which is characterized in that the first water of the tower (21)
Anchor ear, the first level loading component (32), second level are arranged at flat load(ing) point and the second horizontal addload point
Loading component (33) is connect by the anchor ear of corresponding position with the tower (21) respectively.
4. blower foundation experiment loading unit according to claim 1, which is characterized in that further include being located at the tower
(21) reaction frame (41) above is equipped between the reaction frame (41) and the tower (21) for applying to the tower (21)
Add the vertical loading component (42) of vertical force.
5. blower foundation experiment loading unit according to claim 4, which is characterized in that the top of the tower (21) with
Top plate (213) are equipped between the vertical loading component (42).
6. blower foundation experiment loading unit according to claim 4, which is characterized in that the vertical loading component (42)
It is connect by sliding support (43) with the reaction frame (41).
7. blower foundation experiment loading unit according to claim 1-6, which is characterized in that the tower (21)
Lateral wall be additionally provided with two horizontal lifting lugs (214), two horizontal lifting lugs (214) are located at the same cross of the tower (21)
Section institute planar, and the line of two horizontal lifting lugs (214) pass through the tower (21) center；Two water
Flat lifting lug (214) is separately connected third, the 4th horizontal addload component (51,52), the third, the 4th horizontal addload component (51,
52) can the tower (21) be applied with contrary pulling force to apply torque to the tower (21).
8. blower foundation experiment loading unit according to claim 7, which is characterized in that two horizontal lifting lugs
(214) bottom close to the tower (21) is arranged.
9. blower foundation experiment loading unit according to claim 7, which is characterized in that the third, the 4th level add
It carries component (51,52) to be connected with two columns (54) for being set to the tower (21) side respectively, the third, the 4th horizontal addload
Tension sensor (53) are equipped between component (51,52) and the corresponding column (54).
10. blower foundation experiment loading unit according to claim 1-6, which is characterized in that the tower
(21) bottom is detachably connected with the foundation ring (11).
11. blower foundation experiment loading unit according to claim 1-6, which is characterized in that further include that card is set
Beam body (12) between the blower foundation model (10) and the counter force wall (31).
12. blower foundation tests loading method, which is characterized in that be connected with tower on the foundation ring (11) of blower foundation model (10)
Cylinder (21)；The method includes the following steps：Applied respectively by the load(ing) point of two different heights to the tower (21)
Horizontal pull, horizontal thrust are loaded with the matching for realizing moment of flexure and horizontal force.
13. blower foundation tests loading method, which is characterized in that be connected with tower on the foundation ring (11) of blower foundation model (10)
Cylinder (21)；The method includes the following steps：
Torque first is applied to the tower (21)；
Horizontal pull, horizontal thrust are applied by the load(ing) point of two different heights to the tower (21) respectively again, with reality
The matching of existing moment of flexure and horizontal force loads；
Vertical force finally is applied to the tower (21).
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| CN106874558B (en) * | 2017-01-16 | 2020-07-07 | 许继集团有限公司 | Method for calculating limit safety coefficient of lifting lug of main frame of fan |
| CN106840592B (en) * | 2017-02-08 | 2019-07-16 | 哈尔滨工程大学 | Reality mesostructure peculiar to vessel simulates wind-force load test system |
| CN110567737A (en) * | 2018-06-05 | 2019-12-13 | 深圳光启尖端技术有限责任公司 | Equivalent wind load loading method |
| CN109505317B (en) * | 2018-10-29 | 2021-07-23 | 建研地基基础工程有限责任公司 | Compression resistance, resistance to plucking and horizontal static load test equipment of high stake |
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