CN106812151A - A kind of construction method on wind tower basis - Google Patents
A kind of construction method on wind tower basis Download PDFInfo
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- CN106812151A CN106812151A CN201510847061.6A CN201510847061A CN106812151A CN 106812151 A CN106812151 A CN 106812151A CN 201510847061 A CN201510847061 A CN 201510847061A CN 106812151 A CN106812151 A CN 106812151A
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Abstract
The invention discloses a kind of construction method on wind tower basis.The technical scheme of use is：Using structure raft foundation construction wind tower basis, method includes：Formulate wind tower base position, earth excavation, blinding layer, brick loose tool is built by laying bricks or stones and is plastered, basic waterproof, basic fish tail and waterproof layer, basic unwrapping wire, reinforcing bar colligation under sole plate, pre-buried and installation tower crane accessory, reinforcing bar on the basis of colligation, steel plate water stopper and model sheetinstallat, wind tower foundation concrete is constructed, and wind tower basis connects stranding face frosting treatment with structure raft plate and waterproof connects stranding treatment.This invention simplifies working procedure, construction cost is reduced, wind tower basis and structure raft plate are an overall structure, and stress is more balanced, safer.
Description
Technical field
The present invention relates to wind tower basic technology field, wind tower foundation construction is specifically related to.
Background technology
Wind tower basis be typically all concreting into pedestal, grow tall size wide and the arrangement of reinforcement of pedestal topple stabilization, foundation bearing capacity, the requirement of pedestal cracking resistance, it is necessary to meet tower crane.Traditional wind tower basis is constructed outside structure raft foundation, and position is influenceed by architecture basics and building structure, and uses rear buried underground or dismounting, wastes manpower and materials.
The content of the invention
The present invention is directed to the deficiencies in the prior art, there is provided a kind of wind tower base position is not influenceed by architecture basics and building structure, and construction method simplifies, the construction method on cost-effective wind tower basis.
To achieve these goals, the technical solution adopted by the present invention is：A kind of construction method on wind tower basis, is using structure raft foundation construction wind tower basis.
The construction method on above-mentioned wind tower basis, including：Formulate wind tower base position, earth excavation, blinding layer; brick loose tool is built by laying bricks or stones and is plastered; basic waterproof, basic fish tail and waterproof layer, basic unwrapping wire; reinforcing bar colligation under sole plate; pre-buried and installation tower crane accessory, reinforcing bar on the basis of colligation, steel plate water stopper and model sheetinstallat; wind tower foundation concrete is constructed, and wind tower basis connects stranding face frosting treatment with structure raft plate and waterproof connects stranding treatment.
The construction method on above-mentioned wind tower basis, it is specific as follows：（1）Formulate wind tower base position：Determine that tower crane uses model and tower crane position according to drawing and human and material resources situation, formulate the position using structure raft foundation construction wind tower basis
；（2）Earth excavation：According to wind tower base position, mechanical equivalent of light excavation is carried out using excavator, section construction, height and soil layer will meet design and foundation bearing capacity requirement, if underground water does not drop, dug again after after water drop；（3）
Blinding layer：By layout design absolute altitude construction blinding layer, it is ensured that waterproof construction, concrete mats layer surface answers mortar pressed finish；（4）Brick loose tool is built by laying bricks or stones and is plastered：Brick tire builds rear outside back-filling in layers, compacting by laying bricks or stones, it is ensured that concrete is indeformable when constructing, and brick loose tool is smeared, and grey inner corner trim must do fillet；（5）
Basic waterproof：Waterproof is carried out by layout design；（6）Basic fish tail and waterproof layer：Fish tail and waterproof layer concrete construction is completed by drawing；（7）Basic unwrapping wire：Structure and wind tower foundation base unwrapping wire are carried out on concrete water-proof protective layer
；（8）Reinforcing bar colligation under sole plate：According to reinforcing bar under design drawing colligation wind tower base position；（9）Pre-buried and installation tower crane accessory：According to arrangement and method for construction and tower crane installation, pre embedded bolt and tower crane accessory
；（10）Reinforcing bar on the basis of colligation：According to reinforcing bar in design drawing colligation wind tower base position；（11）Steel plate water stopper and model sheetinstallat
：In the middle part of structure raft foundation base plate and external wall construction seam position, install waterstop steel plate；
（12）Wind tower foundation concrete is constructed：Concrete construction must not destroy pre embedded bolt and tower crane accessory position and height, and concrete strength reaches
More than 75%, reach wind tower fundamental importance intensity；（13）Wind tower basis connects stranding face frosting treatment with structure raft plate and waterproof connects stranding treatment：Concrete has been constructed rear form removal, and stranding face is connect to concrete carries out frosting treatment.
The construction method on above-mentioned wind tower basis, requires, " graded sand and stone backfill " step can also be increased between " earth excavation " and " blinding layer " step, and specific method is as follows according to actual design：Every thickness degree of making sandstone is 15~35cm, and lift height is controlled with sample stake, then tamps or be compacted or roll；Sand and sandstone ground basal surface are laid on same absolute altitude, and when depth is different, base soil face should scrape out is marked time and slope shape, and taking Cha Chu should be compacted or tamp, and construction should be carried out by order shallow after first depth
；During section construction, meeting Cha Chu should do sloping, and every layer of horizontal range for meeting Cha Chu should stagger 0.5~
1.0m, and be compacted or tamp；The sandstone of making answers level with uniform, finds sand nest or stone phenomenon in heaps, and sand at this or stone are dug out, and is respectively filled in the sandstone that level is prepared；Watering, makes sandstone water content be 8%~12%；Tamp or roll more than 3 times, edge and corner are mended and ram closely knit.
Beneficial effects of the present invention：
1st, working procedure is simplified, because using structure valve plate foundation construction wind tower basis, wind tower basis can recycle, therefore reduce construction cost.
2nd, tower crane location arrangements are not influenceed by architecture basics and building structure construction, and construction quality, progress has been effectively ensured.
3rd, wind tower foundation construction and installation are faster, by structure raft plate drawing construction wind tower basis, so as to have vertical mechanical to use when architecture basics are constructed, are more convenient reliable.
4th, in the absence of the influence that wind tower basic foundation bearing capacity is inadequate, wind tower basis and structure raft plate are an overall structure, and stress is more balanced, safer.
Specific embodiment
Embodiment:A kind of construction method on wind tower basis（1）Formulate wind tower base position and determine that tower crane uses model and tower crane position according to drawing and human and material resources situation, formulate the position using structure raft foundation construction wind tower basis.
（2）Earth excavation carries out earth excavation according to Design Requirement Drawing, height and soil layer will meet design and foundation bearing capacity requirement, and mechanical equivalent of light excavation, section construction are carried out using excavator, bottom of foundation ditch stays the 400m thickness earthwork, and wherein 200m thickness original soils layer, 200m thickness are loosened the soil
Layer, to concrete bed course bottom absolute altitude, while with Automobile Transportation, wherein more than 200m original soils layer must not be disturbed one side manual cleaning
；Layer and section is carried out earth excavation from top to bottom, incremental, and segmentation is checked and accepted, in case of underground water does not drop, after carrying out hand excavation after precipitation again.
（3）Every thickness degree of graded sand and stone backfill making sandstone is 15-20cm, and compacting, lift height can use sample stake control
；Sand and sandstone ground basal surface are preferably laid on same absolute altitude, and when such as depth is different, base soil face should scrape out marks time and slope shape, takes Cha Chu and should be noted that pressure（Ram）It is real.Construction should be carried out by order shallow after first depth；During section construction, meeting Cha Chu should do sloping, and every layer of horizontal range for meeting Cha Chu staggers
0.5-1.0m, and fully press（Ram）It is real；The sandstone of making answers level with uniform, finds sand nest or stone phenomenon in heaps, should dig out sand at this or stone, is respectively filled in the sandstone that level is prepared；Making graded sand and stone should be sprinkled water before compacting is rolled according to its dry and wet degree and weather conditions, make the water content 8-12% of sandstone to keep the optimum moisture content of sandstone；When using frog hammer, 102704504 A specifications of CN page 4,3/3 5 should keep away from being 400~500mm, a rammer to press half to ram, and every trade connects, comprehensively compacting, and compacting is no less than 3 times, edge and turn
Application is artificial or frog hammer is mended and rams closely knit at angle.
（4）Blinding layer
By layout design absolute altitude construction blinding layer, blinding layer size will consider the Bar Anchorage lap of splice；Concrete mats layer surface answers mortar pressed finish, it is ensured that waterproof construction.
（5）Brick loose tool is built by laying bricks or stones and is plastered
Brick tire builds rear outside back-filling in layers, compacting by laying bricks or stones, it is ensured that concrete is indeformable when constructing, and brick loose tool is plastered, and inner corner trim must do fillet, it is ensured that waterproof is constructed well.
（6）Basic waterproof
Having underground chamber base must carry out waterproof by G- Design requirement, it is ensured that base plate is impermeable, and waterproof connects stranding length in reserve and has to comply with rear construction requirement, and to carry out finished product protection.
（7）Basic fish tail and waterproof layer waterproof construction is checked and accepted, and fish tail and waterproof layer concrete construction is completed by drawing, and concrete construction carries out waterproof finished product protection, must not destroy waterproof layer.
（8）Basic unwrapping wire
Structure and wind tower foundation base unwrapping wire are carried out on concrete water-proof protective layer, it is ensured that structure wall column, wind tower basic fittings position and absolute altitude are accurate.
（9）Reinforcing bar colligation is according to reinforcing bar under design drawing colligation wind tower base position under sole plate, while to consider bar connecting position and anchoring size.
（10）Pre-buried and installation tower crane accessory
According to arrangement and method for construction and tower crane installation, pre embedded bolt and tower crane accessory, it is ensured that position is accurate.
（11）Reinforcing bar on the basis of colligation
According to reinforcing bar in design drawing colligation wind tower base position, while to consider bar connecting position and anchoring size.
（12）Steel plate water stopper and model sheetinstallat are in the middle part of structure valve plate sole plate and waterstop steel plate is installed in external wall construction seam position, and welding and installation quality are ensured during construction.
（13）Wind tower foundation concrete is constructed
Concrete construction has to comply with Design Requirement Drawing, and to meet the basic engineering requirement of tower crane producer, concrete construction it is noted that protection to pre embedded bolt and tower crane accessory, must not destroy pre embedded bolt and tower crane accessory position and height.
（14）Wind tower basis connects stranding face frosting treatment with structure raft plate and waterproof connects stranding treatment concrete and constructed rear form removal, and stranding face is connect to concrete carries out frosting treatment.
（15）Tower crane is installed
Concrete strength reaches more than 75%, and when reaching wind tower fundamental importance intensity, tower crane installation is carried out by arrangement and method for construction.
Claims (5)
1. the construction method on a kind of wind tower basis, it is characterised in that be using structure raft foundation construction wind tower basis.
2. the basic construction method of a kind of wind tower according to claim 1, it is characterised in that construction method includes：Formulate wind tower base position, earth excavation, blinding layer; brick loose tool is built by laying bricks or stones and is plastered; basic waterproof, basic fish tail and waterproof layer, basic unwrapping wire; reinforcing bar colligation under sole plate; pre-buried and installation tower crane accessory, reinforcing bar on the basis of colligation, steel plate water stopper and model sheetinstallat; wind tower foundation concrete is constructed, and wind tower basis connects stranding face frosting treatment with structure raft plate and waterproof connects stranding treatment.
3. the basic construction method of a kind of wind tower according to claim 2, it is characterised in that construction method is as follows：
（1）Formulate wind tower base position
：Determine that tower crane uses model and tower crane position according to drawing and human and material resources situation, formulate the position using structure raft foundation construction wind tower basis；（2）Earth excavation：According to wind tower base position, mechanical equivalent of light excavation is carried out using excavator, section construction, height and soil layer will meet design and foundation bearing capacity requirement, if underground water does not drop, dug again after after water drop
；（3）Blinding layer
：By layout design absolute altitude construction blinding layer, it is ensured that waterproof construction, concrete mats layer surface answers magma
Press polish；（4）Brick loose tool is built by laying bricks or stones and is plastered：Brick tire builds rear outside back-filling in layers, compacting by laying bricks or stones, it is ensured that concrete is indeformable when constructing, and brick loose tool is plastered, and inner corner trim must do fillet；（5）Basic waterproof：Waterproof is carried out by layout design
；（6）Basic fish tail and waterproof layer
：Fish tail and waterproof layer concrete construction is completed by drawing；（7）Basic unwrapping wire：Structure and wind tower foundation base unwrapping wire are carried out on concrete water-proof protective layer
；（8）Reinforcing bar colligation under sole plate
：According to reinforcing bar under design drawing colligation wind tower base position；（9）Pre-buried and installation tower crane accessory：According to arrangement and method for construction and tower crane installation, pre embedded bolt and tower crane accessory；（10）Reinforcing bar on the basis of colligation：According to reinforcing bar in design drawing colligation wind tower base position；（11）Steel plate water stopper and model sheetinstallat：In the middle part of structure raft foundation base plate and external wall construction seam position, install waterstop steel plate；（12）Wind tower foundation concrete is constructed：Concrete construction must not destroy pre embedded bolt and tower crane accessory position and height, and concrete strength reaches more than 75%, reach wind tower fundamental importance intensity；（13）Wind tower basis connects stranding face frosting treatment with structure raft plate and waterproof connects stranding treatment：Concrete has been constructed rear form removal, and stranding face is connect to concrete carries out frosting treatment.
4. the basic construction method of a kind of wind tower according to claim 2 or 3, it is characterised in that increase " graded sand and stone backfill " step between " earth excavation " and " blinding layer " step.
5. the basic construction method of a kind of wind tower according to claim 4, it is characterised in that described " graded sand and stone backfill " step, specific method is as follows：Every thickness degree of making sandstone is 15~35cm, and lift height is controlled with sample stake, then tamps or be compacted or roll；Sand and sandstone ground basal surface are laid on same absolute altitude, and when depth is different, base soil face should scrape out is marked time and slope shape, and taking Cha Chu should be compacted or tamp, and construction should be carried out by order shallow after first depth
；During section construction, meeting Cha Chu should do sloping, and every layer of horizontal range for meeting Cha Chu should stagger 0.5~1.0m, and be compacted or tamp
；The sandstone of making answers level with uniform, finds sand nest or stone phenomenon in heaps, and sand at this or stone are dug out, and is respectively filled in the sandstone that level is prepared；Watering, makes sandstone water content be 8%~12%；Tamp or roll more than 3 times, edge and corner are mended and ram closely knit.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510847061.6A CN106812151A (en) | 2015-11-30 | 2015-11-30 | A kind of construction method on wind tower basis |
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| CN201510847061.6A CN106812151A (en) | 2015-11-30 | 2015-11-30 | A kind of construction method on wind tower basis |
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| CN106812151A true CN106812151A (en) | 2017-06-09 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110344436A (en) * | 2019-07-23 | 2019-10-18 | 河南海鹏送变电工程有限公司 | A kind of transmission line of electricity column foot reinforcement means |
| CN111809618A (en) * | 2020-08-04 | 2020-10-23 | 林瑞 | Power plant transmission tower foundation treatment method |
-
2015
- 2015-11-30 CN CN201510847061.6A patent/CN106812151A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110344436A (en) * | 2019-07-23 | 2019-10-18 | 河南海鹏送变电工程有限公司 | A kind of transmission line of electricity column foot reinforcement means |
| CN111809618A (en) * | 2020-08-04 | 2020-10-23 | 林瑞 | Power plant transmission tower foundation treatment method |
| CN111809618B (en) * | 2020-08-04 | 2021-11-02 | 湖南湘投铜湾水利水电开发有限责任公司 | Power plant transmission tower foundation treatment method |
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Application publication date: 20170609 |