CN208056088U - A kind of resistance to deformation suitable for goaf place Wind turbines can rectify a deviation basis - Google Patents
A kind of resistance to deformation suitable for goaf place Wind turbines can rectify a deviation basis Download PDFInfo
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- CN208056088U CN208056088U CN201820060611.9U CN201820060611U CN208056088U CN 208056088 U CN208056088 U CN 208056088U CN 201820060611 U CN201820060611 U CN 201820060611U CN 208056088 U CN208056088 U CN 208056088U
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- concrete
- coal tar
- basis
- carpet veneer
- deformation
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- 239000004567 concrete Substances 0.000 claims abstract description 69
- 239000011280 coal tar Substances 0.000 claims abstract description 27
- 238000005266 casting Methods 0.000 claims abstract description 17
- 230000002787 reinforcement Effects 0.000 claims abstract description 11
- 229910000831 Steel Inorganic materials 0.000 claims description 13
- 239000010959 steel Substances 0.000 claims description 13
- 241000282326 Felis catus Species 0.000 claims description 4
- 238000012423 maintenance Methods 0.000 claims description 4
- 239000010410 layer Substances 0.000 description 23
- 238000012937 correction Methods 0.000 description 8
- 230000000694 effects Effects 0.000 description 7
- 239000010426 asphalt Substances 0.000 description 6
- 238000010276 construction Methods 0.000 description 5
- 238000007569 slipcasting Methods 0.000 description 5
- 239000003245 coal Substances 0.000 description 4
- 239000004575 stone Substances 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000011440 grout Substances 0.000 description 2
- 238000007689 inspection Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000005065 mining Methods 0.000 description 2
- 230000003014 reinforcing effect Effects 0.000 description 2
- 239000002002 slurry Substances 0.000 description 2
- 239000002689 soil Substances 0.000 description 2
- 230000004913 activation Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 239000011083 cement mortar Substances 0.000 description 1
- 230000015271 coagulation Effects 0.000 description 1
- 238000005345 coagulation Methods 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 125000004122 cyclic group Chemical group 0.000 description 1
- 230000032798 delamination Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 239000011372 high-strength concrete Substances 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 239000012791 sliding layer Substances 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 230000003313 weakening effect Effects 0.000 description 1
Abstract
A kind of resistance to deformation suitable for goaf place Wind turbines can rectify a deviation basis, include the blotter in foundation pit, blotter is layed on ground, and concrete cushion is layed on blotter；Set coal tar carpet veneer in concrete cushion upper berth, lower coal tar carpet veneer upper berth sets concrete floor, the girder and secondary beam being located in casting concrete layer are equipped with above concrete floor, concrete floor corresponds to the position that raft plate girder is connected with secondary beam and reserves cavity, and the inspection-pit being vertically arranged is communicated on cavity；The pre-buried bolt being connect with girder on concrete floor；Concrete floor is sequentially arranged above coal tar carpet veneer and casting concrete layer, and basic assembling reinforcement is set in casting concrete layer.The residual deformation that basis described in the utility model lower section goaf can occur blower foundation, such as differential settlement, inclination are adjusted, and have stronger specific aim, basic self-stability is substantially improved.
Description
Technical field
It can rectify a deviation basis the utility model is related to a kind of resistance to deformation suitable for goaf place Wind turbines, belong to wind-force
Generating set basic technology field.
Background technology
China possesses abundant coal resources, the huge coal production every year when old energy development between the past few decades
So that surface collapse area constantly expands caused by coal mining.Recently as the process mankind couple of global economic integration
Seem more urgent compared to past in the demand of the energy, the aggravation of greenhouse effects is so that the exploitation of green sustainable energy is also each
State brings into schedule.With the quick emergence of Wind Power Generation Industry, land wind-powered electricity generation is also increasingly shown by the drawbacks of occupying valuable land resource,
It is suitble to the land used of the land wind power plant of Large scale construction just increasingly to reduce.So in order to utilize above goaf mountainous region
The wind turbine unit of abundant wind energy resources, some areas then has to build above goaf especially mountainous region above goaf in.
Due to the non-directiveness of wind, wind load suffered by wind turbine is always at one kind and moves in circles state, blower foundation
The goaf of bottom, because being likely to occur the particularity of residual deformation and activation deformation existing for its own so that this height of wind turbine
The possibility that differential settlement occur under cyclic load in structures is alarmmed to greatly increase.And wind turbine is extremely sensitive to tilting, because
This, it is extremely urgent to find a kind of foundation structure form suitable for above goaf wind turbine unit.
The utility model patent of Publication No. CN203247598U provides a kind of Deformation Resisting Buildings Constructed on Goaf building basis,
In its technical solution proposed, have a common boundary as bed course and metalling only by cement mortar, and metalling concept is unclear, it is difficult to
Ensure top basis resistance to deformation effect, satisfactory after correcting cannot be taken to remedy after foundation deformation.Publication No. CN104164888A's
Patent of invention, provides a kind of coal mining area UHV transmission steel tower foundation of concrete anti-deformation, which only sets
The sliding layer between concrete delamination plate is set, concrete slab can not resist the larger residue of goaf ground as plastic material
Deformation, when differential settlement, which occurs, for plate body fractures, slidably layer loses effect to viscosity, and when basic run-off the straight, should
Basis can not equally carry out correction processing, be remedied to superstructure.
Utility model content
The utility model be intended to provide it is a kind of simple in structure, using effect it is good be suitable for goaf place Wind turbines
Resistance to deformation can rectify a deviation basis and its construction method, so that the wind-driven generator in above goaf construction is carried out self-stabilization dimension
It holds.
In order to solve the above technical problems, the utility model provides the following technical solution：One kind being suitable for goaf
The resistance to deformation of ground Wind turbines can rectify a deviation basis, include blotter in foundation pit, concrete cushion, coal tar carpet veneer,
Concrete floor, basic assembling reinforcement and casting concrete layer, blotter are layed on ground, and concrete cushion is layed in broken
On stone bed course；Coal tar carpet veneer includes upper coal tar carpet veneer and lower coal tar carpet veneer；Set asphalt felt in concrete cushion upper berth
Layer, lower coal tar carpet veneer upper berth set concrete floor, be equipped with above concrete floor the girder being located in casting concrete layer and
Secondary beam, concrete floor correspond to the position that raft plate girder is connected with secondary beam and reserve cavity, and the inspection being vertically arranged is communicated on cavity
Well workover；The pre-buried bolt being connect with girder on concrete floor；Concrete floor is sequentially arranged above coal tar carpet veneer and pours
Concrete layer is built, basic assembling reinforcement is set in casting concrete layer.
Setting maintenance manhole cover plate at the top of inspection-pit, inspection-pit is interior to be arranged cat ladder.
The jack being vertically arranged is placed in cavity.
Bolt outer sheath is equipped with steel cylinder.
Bolt outer sheath is equipped with the plastic tube being located on the inside of steel cylinder.
Upper coal tar carpet veneer and lower coal tar carpet veneer have two layers.
The thickness of metalling is 300 ~ 600mm.
By above technical scheme, the beneficial effects of the utility model are：Basis described in the utility model is so that mined out
The basic resistance to deformation of area place Wind turbines can rectify a deviation, and so that blower foundation is had the residual deformation that lower section goaf occurs certain
Self-adjusting ability, when differential settlement occurs for basis, the changing of the relative positions can occur for blotter, and coal tar carpet veneer carries out micro sliding, from
And structures is made to be weakened significantly by the influence of bottom goaf residual deformation, and the composite foundation shape for correction is provided
Formula, and can realize multiple correction, there is stronger specific aim, basic self-stability to be substantially improved.
Description of the drawings
Fig. 1 is foundation structure schematic diagram described in the utility model；
Fig. 2 is raft plate structure schematic diagram.
Specific implementation mode
A kind of resistance to deformation suitable for goaf place Wind turbines basis that can rectify a deviation is dug as depicted in figs. 1 and 2
For foundation pit for placing the basis, the wherein madial wall of foundation pit is inclined outwardly setting from bottom to top, is set on the ground 5 of foundation pit
Recessed intensification layer, the width for deepening layer are less than the width of ground 5, and the depth for deepening layer is 300 ~ 600mm.
Deepening to be laid with blotter 1 in layer, the thickness of metalling is 300 ~ 600mm.Wherein blotter 1 is selected existing
Graded broken stone, select graded broken stone performance more to stablize, it is ensured that the bearing capacity of blotter 1.
It is laid with concrete cushion 8 on blotter 1, concrete cushion 8 thickness is 100mm, while concrete cushion 8
Intensity is not less than C15, and the intensity of concrete cushion 8 is C60,8 surfacing of concrete cushion in the present embodiment.Armored concrete
Bottom plate 12 is poured using C60 high-strength concretes, ensures that raft foundation 3 has preferable impetus when correction, and play a supporting role.
Two layers of lower coal tar carpet veneer 22 is laid on concrete cushion 8, lower coal tar carpet veneer 22 is made of asphalt felt,
With sliding, it is ensured that basic is preliminary from error correction.
It is laid with concrete floor 12 on lower coal tar carpet veneer 22, has assembling reinforcement, concrete bottom in concrete floor 12
Plate 12 is：After assembling reinforcement, casting concrete forms, and is the prior art.
It is laid with coal tar carpet veneer 21 on two layers on concrete floor 12, passes through upper coal tar carpet veneer 21 and upper asphalt felt
Being used cooperatively for layer 22 ensures that the small-scale sliding ability in basis, using effect are good.
Basic assembling reinforcement is set on upper coal tar carpet veneer 21, casting concrete layer is as raft foundation in basic assembling reinforcement
3, girder 16 and secondary beam 17 are set in casting concrete layer.
The raft plate used in the present embodiment is octagonal lattice, and the raft plate of octagonal lattice is the prior art, in construction
It has a wide range of applications.Wherein, raft plate includes girder 16 and the secondary beam being connect with girder 16 17, and girder 16 shares 8,8 masters
Circumferentially shape is distributed beam 16, and secondary beam 17 is connected between adjacent girder 16.
In order to ensure using effect, corresponds to the position that girder 16 and secondary beam 17 connect in concrete floor 12 and reserves cavity 9,
Substantial cavity 9 is located at the underface of 17 junction of girder 16 and secondary beam, places the jack being vertically arranged in cavity 9, passes through thousand
Girder 16 is lifted by jin top, realizes deformed correction.
9 outside of cavity is equipped with the inspection-pit 10 being embedded in backfill 13, and inspection-pit 10 is vertically arranged, inspection-pit 10 and sky
Chamber 9 is connected to.Wherein, 10 cover board 14 of inspection-pit is arranged in 10 top of inspection-pit, and when that need not overhaul, 10 cover board 14 of inspection-pit will inspection
Well workover 10 covers, and when being overhauled, 10 cover board 14 of inspection-pit is opened, cat ladder 15 is arranged in inspection-pit 10,
Service personnel can be climbed by cat ladder 15 in inspection-pit 10.
In order to ensure the stability of raft plate, the pre-embedded bolt 11 on concrete floor 12, bolt 11 uses high-strength T-type coarse thread
Screw rod, a diameter of M60.11 top of bolt is connect with girder 16 by bolt 11, and then realizes raft plate and basis by bolt 11
Be connected and fixed.It is equipped with steel cylinder in 11 outer sheath of bolt, wherein steel cylinder is：M80 diameter steel cylinder sheaths.Meanwhile in steel cylinder and spiral shell
The plastic tube being sheathed on outside bolt 11 is equipped between bolt 11, to when needing to pour, inject grout into steel cylinder and plastic tube
Between avoid slurries from being contacted with bolt 11, slurries fill up bottom gap and reach plastic tube bottom, ensure the movable of bolt 11
Property.
A kind of construction method on above-mentioned basis, in turn includes the following steps：
1）The foundation pit on basis is dug, the intensification layer 51 that depth is 300 ~ 600mm is dug on ground 5.
2）The making blotter 1 on deepening layer.
It needs to carry out compacted compacting to blotter 1 after being laid with blotter 1, then, coagulation is poured on blotter 1
Soil padding 8, the thickness of concrete cushion 8 are 100mm, and intensity is not less than C15, and the intensity of concrete cushion 8 is in the present embodiment
C60 ensures the flatness on 8 surface of concrete cushion after the completion of pouring.
3）Asphalt felt 22 on two layers is spread above the concrete cushion 8, on upper asphalt felt 22 assembling reinforcement be used for
Casting concrete bottom plate 12, concrete is carried out after the completion of assembling reinforcement pours maintenance；It is noted that when pouring, need
The pre-buried bolt 11 being connect with girder 16 on concrete floor 12；Meanwhile girder 16 and secondary beam are corresponded on concrete floor 12
Reserve cavity 9 in 17 junctions.
4）First, the asphalt felt 21 on two layers of 12 upper berth of concrete floor, binds raft foundation reinforcing bar 6, hangs on it
Foundation ring 4 is filled, places girder 16 and secondary beam 17, circumferentially shape is distributed middle girder 16, and secondary beam 17 is connected to adjacent girder 16
Between；Then, horizontal alignment is carried out to foundation ring 4；Then, the casting concrete on the raft foundation reinforcing bar 6 bound, to mixed
Solidifying soil is conserved, and forms casting concrete layer, the casting concrete layer is as raft foundation 3；It will be pre- in concrete floor 12
The bolt 11 buried is connected and fixed with girder 16；Finally, inspection-pit 10 is reserved outside cavity 9,10 bottom of inspection-pit is connected to cavity 9,
Basis is backfilled again after the completion；
5）Basis backfill backfill 13 after, lifting fan tower 7, and put into effect followed by air inlet fan tilt prison
It surveys, step is；
（1）Wind turbine is monitored into line tilt, when wind turbine larger inclination does not occur, carries out step（2）；When wind turbine occur compared with
When big inclination is unsatisfactory for normal operation, step is carried out（3）.
（2）Repeat step（1）, continue to tilt monitoring with air inlet fan.
（3）The bolt 11 connected between concrete floor 12 and girder 16 is unclamped, the maintenance in backfill 13 will be reserved in
Well 10 is opened, and can jack be quickly put into cavity 9 and rectified a deviation, and carries out slip casting after the completion of the jacking of raft plate, grouting method is：To
It is sheathed on slip casting in the steel cylinder in 11 outside of bolt, just again tightens bolt 11 after the completion of slip casting, completes correction, repeats step（3）.
Slip casting rear bolt 11 can not rotate in order to prevent, when slip casting between bolt 11 and steel cylinder plastic pipe-covered, inject grout into modeling
Between expects pipe and steel cylinder.
The utility model provides a kind of resistance to deformation suitable for goaf place Wind turbines and can rectify a deviation basis, makes wind turbine
There is the residual deformation that lower section goaf occurs on basis certain self-adjusting ability, the rubble pad when differential settlement occurs for basis
The changing of the relative positions can occur for layer 1, and coal tar carpet veneer carries out micro sliding, to make structures be influenced to make by bottom goaf residual deformation
With weakening significantly, and cavity 9 is set and bolt 11 realizes the multiple correction of raft foundation 3, there is stronger specific aim, substantially carry
Rise basic self-stability.
Claims (7)
- The basis 1. a kind of resistance to deformation suitable for goaf place Wind turbines can rectify a deviation, it is characterised in that：Including being located at foundation pit Interior blotter, concrete cushion, coal tar carpet veneer, concrete floor, basic assembling reinforcement and casting concrete layer, rubble In on ground, concrete cushion is layed on blotter setting cushion；Coal tar carpet veneer includes upper coal tar carpet veneer and lower drip Green malthoid layer；Coal tar carpet veneer is set on concrete cushion upper berth, and lower coal tar carpet veneer upper berth sets concrete floor, concrete floor Top is equipped with the girder and secondary beam being located in casting concrete layer, and concrete floor corresponds to the position that raft plate girder is connected with secondary beam Cavity is reserved, the inspection-pit being vertically arranged is communicated on cavity；The pre-buried bolt being connect with girder on concrete floor；Concrete Bottom plate is sequentially arranged above coal tar carpet veneer and casting concrete layer, and basic assembling reinforcement is set in casting concrete layer.
- The basis 2. resistance to deformation for being suitable for goaf place Wind turbines as described in claim 1 can rectify a deviation, it is characterised in that： Setting maintenance manhole cover plate at the top of inspection-pit, inspection-pit is interior to be arranged cat ladder.
- The basis 3. resistance to deformation for being suitable for goaf place Wind turbines as claimed in claim 2 can rectify a deviation, it is characterised in that： The jack being vertically arranged is placed in cavity.
- The basis 4. resistance to deformation for being suitable for goaf place Wind turbines as claimed in claim 3 can rectify a deviation, it is characterised in that： Bolt outer sheath is equipped with steel cylinder.
- The basis 5. resistance to deformation for being suitable for goaf place Wind turbines as claimed in claim 4 can rectify a deviation, it is characterised in that： Bolt outer sheath is equipped with the plastic tube being located on the inside of steel cylinder.
- The basis 6. resistance to deformation for being suitable for goaf place Wind turbines as claimed in claim 5 can rectify a deviation, it is characterised in that： Upper coal tar carpet veneer and lower coal tar carpet veneer have two layers.
- The basis 7. resistance to deformation suitable for goaf place Wind turbines as described in claim 1 to 6 any one can rectify a deviation, It is characterized in that：The thickness of metalling is 300 ~ 600mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820060611.9U CN208056088U (en) | 2018-01-15 | 2018-01-15 | A kind of resistance to deformation suitable for goaf place Wind turbines can rectify a deviation basis |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820060611.9U CN208056088U (en) | 2018-01-15 | 2018-01-15 | A kind of resistance to deformation suitable for goaf place Wind turbines can rectify a deviation basis |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208056088U true CN208056088U (en) | 2018-11-06 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820060611.9U Expired - Fee Related CN208056088U (en) | 2018-01-15 | 2018-01-15 | A kind of resistance to deformation suitable for goaf place Wind turbines can rectify a deviation basis |
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| Country | Link |
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| CN (1) | CN208056088U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108035376A (en) * | 2018-01-15 | 2018-05-15 | 河南理工大学 | A kind of resistance to deformation suitable for goaf place Wind turbines can rectify a deviation basis and its construction method |
| CN109797787A (en) * | 2019-03-06 | 2019-05-24 | 中国电建集团北京勘测设计研究院有限公司 | A kind of levelling device adjusting the relative settlement of runtime wind driven generator base |
-
2018
- 2018-01-15 CN CN201820060611.9U patent/CN208056088U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108035376A (en) * | 2018-01-15 | 2018-05-15 | 河南理工大学 | A kind of resistance to deformation suitable for goaf place Wind turbines can rectify a deviation basis and its construction method |
| CN108035376B (en) * | 2018-01-15 | 2023-07-04 | 河南理工大学 | Anti-deformation rectification foundation applicable to goaf site wind turbine generator and construction method thereof |
| CN109797787A (en) * | 2019-03-06 | 2019-05-24 | 中国电建集团北京勘测设计研究院有限公司 | A kind of levelling device adjusting the relative settlement of runtime wind driven generator base |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20181106 |