CN102021916A - Foundation construction method of iron tower - Google Patents
Foundation construction method of iron tower Download PDFInfo
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- CN102021916A CN102021916A CN2010105281605A CN201010528160A CN102021916A CN 102021916 A CN102021916 A CN 102021916A CN 2010105281605 A CN2010105281605 A CN 2010105281605A CN 201010528160 A CN201010528160 A CN 201010528160A CN 102021916 A CN102021916 A CN 102021916A
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- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 title claims abstract description 68
- 229910052742 iron Inorganic materials 0.000 title claims abstract description 34
- 238000010276 construction Methods 0.000 title claims abstract description 32
- 238000000034 method Methods 0.000 claims abstract description 30
- 238000007689 inspection Methods 0.000 claims abstract description 22
- 238000012937 correction Methods 0.000 claims abstract description 7
- 238000009415 formwork Methods 0.000 claims description 34
- 229920000742 Cotton Polymers 0.000 claims description 18
- 229910000831 Steel Inorganic materials 0.000 claims description 12
- 239000010959 steel Substances 0.000 claims description 12
- 238000013461 design Methods 0.000 claims description 8
- 238000009412 basement excavation Methods 0.000 claims description 7
- 239000004575 stone Substances 0.000 claims description 6
- 235000008733 Citrus aurantifolia Nutrition 0.000 claims description 3
- 235000011941 Tilia x europaea Nutrition 0.000 claims description 3
- 239000011083 cement mortar Substances 0.000 claims description 3
- 239000004571 lime Substances 0.000 claims description 3
- 210000003813 thumb Anatomy 0.000 claims description 3
- 230000005540 biological transmission Effects 0.000 abstract description 8
- 238000000926 separation method Methods 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 4
- 238000006073 displacement reaction Methods 0.000 description 3
- 238000005259 measurement Methods 0.000 description 2
- 239000002689 soil Substances 0.000 description 2
- 230000002950 deficient Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000012467 final product Substances 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 108090000623 proteins and genes Proteins 0.000 description 1
- 238000003908 quality control method Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
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Abstract
The invention relates to the technical field of foundation construction of a power transmission line, and discloses a foundation construction method of an iron tower. In the method, a temporary pile is nailed for a separate pit, foundation lofting is performed and a high pile suitable for foundation form erection, correction and check is re-nailed for form erection according to the precision requirements on the separate pit and form erection and the field actual needs. The method comprises the following steps: 1) dividing the foundation of the iron tower into separate pits; and 2) digging the foundation of the iron tower, checking, controlling and erecting form. Through the invention, the workload of piling, pile correction and nail correction is reduced, the pit separation speed is increased, the carrying quantity of timber piles at multiple work points is reduced, the labor intensity is lowered, and the construction and inspection are convenient and fast. Moreover, the work process is simplified, the work efficiency and construction quality in the foundation construction of the power transmission line are improved, and the safe operation of the power transmission line is ensured.
Description
[technical field]
The present invention relates to power transmission sequence foundation construction technical field, especially relate to a kind of method of iron tower foundation construction.
[background technology]
At present, the foundation construction of power transmission sequence is the important step of power transmission sequence construction, the quality of its operating efficiency and construction quality, directly influence the operating efficiency of whole engineering and put into operation after safe operation.In real work, find because common job practices also exists some difficult points in work progress.
1, the difficult point as existing in the method work progress of common iron tower foundation branch hole, iron tower foundation divides the fixed stake in hole to be not only the control stake that the hole is divided on the basis, it also is the control stake of foundation construction and inspection, find that in long-term foundation construction with in checking iron tower foundation divides the job practices in hole also to exist defective usually.
1), general repetition survey of existing rail way divide hole usefulness the timber height at 250mm, the height that bassets for the firm spud pile road that guarantees the stake position is generally at 3-5Cm, line steel tower basis end face, design is generally basseted at 200-600mm; The discrepancy in elevation that gene basis end face and fang bolt and control stake exist is propped up for the basis and has been molded as difficulty.
2), dividing behind the hole generally also will be through channel contact and basic material processing, to the foundation construction process stake displacement takes place easily during this period of time in minute back, hole and moves and lose, before formwork, also need to proofread and correct again.
3), shown in figure one, exist the discrepancy in elevation to cooperate auxiliary pile and 4 basic tower leg cross-references just can finish basic formwork, Deviation Control difficulty, inefficiency with transit because of stake position and foundation forms.
4), in mold process, need under surveying worker's commander, specialty just can finish the work items that foundation forms is settled.
[summary of the invention]
In view of the weak point of above-mentioned existence, the purpose of this invention is to provide a kind of method of iron tower foundation construction.Can simplify working programme, improve the operating efficiency and the construction quality of power line tower foundation construction, guarantee the power transmission sequence safe operation; Have simple to operate, high efficiency, the characteristics that deviation is little.
In order to realize the foregoing invention purpose, the present invention adopts following technical scheme:
A kind of method of iron tower foundation construction is according to minute hole and a formwork precision prescribed and an on-the-spot actual needs, to minute upright grouser of hole nail, carries out basic setting-out, and formwork is followed closely the upright high stake that is fit to basic formwork, correction, inspection again, and its step is as follows:
1, iron tower foundation divides the hole, iron tower foundation divides the hole to require fixed stake to be not only the control stake that the hole is divided on the basis, it also is the control stake of foundation construction and inspection, but find that in practice nail upright auxiliary pile in branch hole, basis is because of above-mentioned reason, before formwork, also must proofread and correct again, and in work progress, also have problems, and satisfying simplification working programme nail grouser under the prerequisite of dividing the hole required precision based on above reason, be according to carrying out the branch hole with the grouser;
(1) transit is propped up at Center stake O place, make four auxiliary pile A, B, C, D, not be used in the nail tingle on auxiliary pile A, B, C, the D, can satisfy branch hole required precision according to usual way; Auxiliary pile A, B, C, D or the instrument of making of the round steel of diameter 10mm replace timber, and the ruler end points is placed on the round steel root when dividing the hole, finish the branch hole to the basis;
(2) open y according to engine request and near coal-mine length of side a, side root, calculate L
1, L
2Value, the ruler termination is placed on C pile center, carry out branch hole by usual way;
(3) four near coal-mine position marks of iron tower foundation ditch are clear after the branch hole finishes with methods such as lime, then auxiliary pile is pulled out, carry out the branch hole of next base;
2, iron tower foundation excavation, inspection, control and formwork, described foundation excavation are reserved 200mm and are reserved layer for avoiding the basis super dark; After the reservation, can carry out following closely stake before the formwork, fixed stake can be carried out fixed stake according to basic end face and fang bolt height, and deciding the stake back is according to formwork, control and the inspection finished the basis with the auxiliary pile;
(1), the fixed stake of formwork, select the height of timber, can firmly hammer into ground; After hammering into ground, the height of ground identity distance fang bolt end face exceeds 3mm, i.e. h
2+ 3mm;
(2), according to minute the hole a method make A, B, four auxiliary piles of C, D, make face thumb screw 3cm above Ground, and four auxiliary piles be arranged in the plane; Utilize transit survey, in A, B, C, D control stake, nail on little iron nail, fix for the firm employing cement mortar that guarantees auxiliary pile after fixed stake finishes;
(3), on auxiliary pile, hang up cotton rope, be foundation with the cotton rope, each spot size of basis and engineering discipline according to drawing design carry out the inspection of foundation ditch physical dimension, are according to cheating dark inspection and repairing the hole with the cotton rope according to the auxiliary pile height;
(4), steel ruler zero line is fixed on the C pile beacon note, and ruler is tightened in the A stake, intercepts L respectively from the C point
4And L
7Size is being done mark on the cotton rope, be foundation according to cotton rope, designs the formwork that the column height is finished column according to drawing, finishes the arrangement of other fang bolt and other footing step size respectively with the method; Described L
1, L
2, L
3, L
4Be respectively the C stake to A stake dipstick metering, footing step, column and stone bolt diagonal low coverage size; Described L
5, L
6, L
7, L
8Be respectively that the C stake is to A stake dipstick metering footing step, column and stone bolt diagonal long distance size; Described a
1, a
2, a
3, be the length of side of step and column respectively, described a
4The length of side of the fang bolt center heart; Described L
1, L
2, L
3, L
4, L
5, L
6, L
7, L
8Cut chi length, by the geometrical relationship gained:
L
1=（y-?a
1）/
L
2=（y-?a
2）/
?L
3=（y-?a
3）/
?L
4=（y-?a
4）/
L
5=（y+a
5）/
?L
6=（y+a
6）/
?L
7=（y+a
7）/
?L
8=（y+a
8）/
。
Owing to adopted technique scheme, the present invention to have the following superiority that has:
A kind of method of iron tower foundation construction is to analyze, find out by the difficult point that traditional method of work is existed in foundation construction; Can simplify working programme, improve the operating efficiency and the construction quality of power line tower foundation construction, guarantee the power transmission sequence safe operation; Superiority is as follows:
1) reduce labour intensity: the basis divide the hole relative work intensity big mainly be to need in the transfer process of a plurality of operating points to carry with a large amount of timbers with for what guarantee the stake position firmly the timber major part to be squeezed into ground, after finishing, piling also needs the school stake, accurately follow closely little iron nail then, also need under the commander of transit, follow closely in accurate school subsequently, utilize interim timber and play the branch hole that the effect of mark can be finished iron tower foundation as long as can make timber stand in ground on the sight line of transit, it is more convenient with homemade instrument to have ready conditions.Not only reduce the workload that follow closely in piling, school stake, school, also improved branch hole speed, alleviated the carrying amount of dividing a plurality of operating points timber.
2) inspection of construction is convenient and swift: the iron tower foundation formwork need use the formwork work that just can finish the basis under the transit commander at professional survey crew according to common job practices, the constructor need wait for the adjustment repeatedly of just finishing each project of formwork after the measurement result of each project of survey crew is come out according to the commander of survey crew, utilize the job practices after improving visual and understandable, general constructor directly is put into the position to template and fang bolt according to the mark on the cotton rope, after can need not waiting professional survey crew repeated measurement according to the mark adjustment on the cotton rope, the displacement repeatedly that occurs in a mold process adjusts repeatedly again, in the process of building, also can check the deviation that occurs because of construction repeatedly, be labeled as according to carrying out quality control with cotton rope.
[description of drawings]
Fig. 1Be foundation forms and fang bolt end face and the discrepancy in elevation schematic diagram of controlling stake;
Fig. 2 carries out the schematic diagram that iron tower foundation divides the hole with interim timber;
Fig. 3 replaces timber to divide the schematic diagram in hole with the round steel self-made tool;
Fig. 4 decides the schematic diagram of piling method for formwork;
[specific embodiment]
A kind of method of iron tower foundation construction shown in Fig. 1,2,3,4, be according to minute hole and a formwork precision prescribed and an on-the-spot actual needs,, carry out basic setting-out minute upright grouser of hole nail, formwork is followed closely the upright high stake that is fit to basic formwork, correction, inspection again, and its step is as follows:
1, iron tower foundation divides the hole, iron tower foundation divides the hole to require fixed stake to be not only the control stake that the hole is divided on the basis, it also is the control stake of foundation construction and inspection, but find that in practice nail upright auxiliary pile in branch hole, basis is because of above-mentioned reason, before formwork, also must proofread and correct again, and in work progress, also have problems, and satisfying simplification working programme nail grouser under the prerequisite of dividing the hole required precision based on above reason, be according to carrying out the branch hole with the grouser;
(1) transit is propped up at Center stake O place, make A, B, C, D, four auxiliary piles according to usual way, auxiliary pile A, B, C, D are last need not follow closely tingle again, can satisfy branch hole required precision;
(2) open y according to engine request and near coal-mine length of side a, side root, calculate L
1, L
2Value, the ruler termination is placed on C pile center, carry out branch hole by usual way;
(3) four near coal-mine position marks of iron tower foundation ditch are clear after the branch hole finishes with methods such as lime, then auxiliary pile A, B, C, D are pulled out, carry out the branch hole of next base;
(4) or with the instrument that the round steel of diameter 10mm is made, replace timber, the ruler end points is placed on the round steel root when dividing the hole, finishes the branch hole to the basis.The instrument characteristics that this round steel is made are in general soil, and under the commander who surveys the worker, slotting getting final product can be pounded in ground once pounding slightly with hammer on hard soil conveniently, can use.
2, the improvement of iron tower foundation excavation, inspection, control and formwork
Foundation excavation is for avoiding the basis super dark, after reserving 200mm and reserving layer, can carry out nail stake before the formwork, and fixed stake can be carried out fixed stake according to basic end face and fang bolt height, is that foundation is finished formwork, control and the inspection to the basis with the auxiliary pile after the fixed stake.
1) the fixed stake of formwork as shown in Figure 4, after the height of selection timber can firmly hammer into ground, the height of ground identity distance fang bolt end face exceeded about 3mm, i.e. h
2+ 3mm.
2) make four auxiliary pile A, B, C, D according to minute method in hole as shown in Figure 2, make face thumb screw 3cm above Ground as shown in Figure 4, and make four auxiliary pile A, B, C, D, in a plane, utilize transit survey to nail on little iron nail in four auxiliary pile A, B, C, D control stake, fixed stake finishes the back for guaranteeing firmly fixing with cement mortar of auxiliary pile A, B, C, D.
3) hanging up cotton rope as shown in Figure 1 on auxiliary pile, is foundation with the cotton rope, and each size of basis and the engineering discipline that design according to drawing carry out the inspection of foundation ditch physical dimension, is that foundation is to cheating dark inspection and repairing the hole with the cotton rope according to the auxiliary pile height.
4) as shown in Figure 1 steel ruler zero line is fixed on as shown in Figure 1 on the C pile beacon note, and ruler is tightened in the A stake, intercept L respectively from the C point
4And L
7Size is being done mark on the cotton rope, be foundation according to cotton rope, designs the formwork that the column height is finished column according to drawing, finishes the arrangement of other fang bolt and other footing step size respectively with the method.L among the figure
1, L
2, L
3, L
4Be respectively that the C stake is to A stake dipstick metering footing step, column and stone bolt diagonal low coverage size, L among the figure
5, L
6, L
7, L
8Be respectively that the C stake is to A stake dipstick metering footing step, column and stone bolt diagonal long distance size; A among the figure
1, a
2, a
3, be the length of side of step and column respectively, a
4The length of side of the fang bolt center heart.L
1, L
2, L
3, L
4, L
5, L
6, L
7, L
8Cut chi length, geometrical relationship gained among the figure is arranged:
L
1=（y-?a
1）/
L
2=（y-?a
2）/
?L
3=（y-?a
3）/
?L
4=（y-?a
4）/
L
5=（y+a
5）/
?L
6=（y+a
6）/
?L
7=（y+a
7）/
?L
8=（y+a
8）/
；
Described simplification working programme: divide the fixed stake in hole owing to also need contact channel after dividing the hole, foundation excavation, reinforcing bar is processed and is got the raw materials ready, though dividing the hole accurately locatees, but the basis is divided to cheat to exist during the foundation construction and is lost stake and the moving phenomenon of stake displacement, also need to reorientate correction, iron tower foundation is different from other concurrent basis, because there are the discrepancy in elevation of design 200mm-600mm in basic end face and basal plane, though the control stake of pressing the usual method nail is under the cooperation of instrument, four basic tower leg cross-references also can be finished the formwork and the inspection operating efficiency on basis extremely low.If change high stake according to improved method, the work that pay the accurate location before wasting is lower than foundation construction and checks control accuracy according to branch hole, basis precision, can meet the demands with grouser.
Claims (1)
1. the method for an iron tower foundation construction, it is characterized in that: be according to minute hole and a formwork precision prescribed and an on-the-spot actual needs,, carry out basic setting-out minute upright grouser of hole nail, formwork is followed closely the upright high stake that is fit to basic formwork, correction, inspection again, and its step is as follows:
1), iron tower foundation divides the hole, iron tower foundation divides the hole to require fixed stake to be not only the control stake that the hole is divided on the basis, it also is the control stake of foundation construction and inspection, but find that in practice nail upright auxiliary pile in branch hole, basis is because of above-mentioned reason, before formwork, also must proofread and correct again, and in work progress, also have problems, and satisfying simplification working programme nail grouser under the prerequisite of dividing the hole required precision based on above reason, be according to carrying out the branch hole with the grouser;
(1) transit is propped up at Center stake O place, make four auxiliary pile A, B, C, D, not be used in the nail tingle on auxiliary pile A, B, C, the D, can satisfy branch hole required precision according to usual way; Auxiliary pile A, B, C, D or the instrument of making of the round steel of diameter 10mm replace timber, and the ruler end points is placed on the round steel root when dividing the hole, finish the branch hole to the basis;
(2) open y according to engine request and near coal-mine length of side a, side root, calculate L
1, L
2Value, the ruler termination is placed on C pile center, carry out branch hole by usual way;
(3) four near coal-mine position marks of iron tower foundation ditch are clear after the branch hole finishes with methods such as lime, then auxiliary pile A, B, C, D are pulled out, carry out the branch hole of next base;
2), iron tower foundation excavation, inspection, control and formwork, described foundation excavation is for avoiding the basis super dark, reserves 200mm reservation layer; After the reservation, can carry out following closely stake before the formwork, fixed stake can be carried out fixed stake according to basic end face and fang bolt height, and deciding the stake back is according to formwork, control and the inspection finished the basis with the auxiliary pile;
(1), the fixed stake of formwork, select the height of timber, can firmly hammer into ground; After hammering into ground, the height of ground identity distance fang bolt end face exceeds 3mm, i.e. h
2+ 3mm;
(2), according to minute the hole a method make four auxiliary pile A, B, C, D, make face thumb screw 3cm above Ground, and four auxiliary pile A, B, C, D be arranged in the plane; Utilize transit survey, in four auxiliary pile A, B, C, D control stake, nail on little iron nail, fix for the firm employing cement mortar that guarantees auxiliary pile A, B, C, D after fixed stake finishes;
(3), on auxiliary pile A, B, C, D, hang up cotton rope, with the cotton rope foundation, each spot size of basis and engineering discipline according to the drawing design carry out the inspection of foundation ditch physical dimension, are according to cheating dark inspection and repairing the hole with the cotton rope according to the auxiliary pile height;
(4), steel ruler zero line is fixed on the C pile beacon note, and ruler is tightened in the A stake, intercepts L respectively from the C point
4And L
7Size is being done mark on the cotton rope, be foundation according to cotton rope, designs the formwork that the column height is finished column according to drawing, finishes the arrangement of other fang bolt and other footing step size respectively with the method; Described L
1, L
2, L
3, L
4Be respectively the C stake to A stake dipstick metering, footing step, column and stone bolt diagonal low coverage size; Described L
5, L
6, L
7, L
8Be respectively that the C stake is to A stake dipstick metering footing step, column and stone bolt diagonal long distance size; Described a
1, a
2, a
3, be the length of side of step and column respectively, described a
4The length of side of the fang bolt center heart; Described L
1, L
2, L
3, L
4, L
5, L
6, L
7, L
8Cut chi length, by the geometrical relationship gained:
L
1=（y-?a
1）/
L
2=（y-?a
2）/
?L
3=（y-?a
3）/
?L
4=（y-?a
4）/
L
5=（y+a
5）/
?L
6=（y+a
6）/
?L
7=（y+a
7）/
?L
8=（y+a
8）/
。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010528160.5A CN102021916B (en) | 2010-11-02 | A kind of method of iron tower foundation construction |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010528160.5A CN102021916B (en) | 2010-11-02 | A kind of method of iron tower foundation construction |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102021916A true CN102021916A (en) | 2011-04-20 |
| CN102021916B CN102021916B (en) | 2016-12-14 |
Family
ID=
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102828519A (en) * | 2012-09-21 | 2012-12-19 | 国家电网公司 | Rectangular foundation pit separation and foundation bolt alignment method |
| CN103526975A (en) * | 2013-09-25 | 2014-01-22 | 安徽宏源线路器材有限公司 | Iron tower production process based on three-dimensional space lofting |
| CN104154905A (en) * | 2014-08-08 | 2014-11-19 | 刘贵明 | Power line quick pit distribution device and pit distribution method |
| CN104821118A (en) * | 2015-06-03 | 2015-08-05 | 国网冀北电力有限公司唐山供电公司 | Teaching and training method for using of theodolite, and specialized theodolite stake |
| CN105421480A (en) * | 2015-11-25 | 2016-03-23 | 国家电网公司 | Square foundation pit dividing method for power transmission tower |
| CN105507342A (en) * | 2015-11-25 | 2016-04-20 | 国家电网公司 | Pit dividing method for rectangular foundation of power transmission tower |
| CN109358353A (en) * | 2018-10-31 | 2019-02-19 | 中国电建集团山东电力建设第工程有限公司 | A kind of current collection line tower foundation quickly divides hole setting out method |
| CN109837929A (en) * | 2017-11-29 | 2019-06-04 | 平煤神马建工集团有限公司 | A kind of surveying setting-out method applied to photovoltaic plant construction |
| CN111485573A (en) * | 2020-03-19 | 2020-08-04 | 衡水衡源电力建设有限责任公司 | Transmission project prefabricated foundation installation and iron tower assembly coherent construction method |
| CN113203137A (en) * | 2021-05-17 | 2021-08-03 | 中国铁塔股份有限公司盐城市分公司 | Air conditioning system using communication iron tower foundation as soil source and construction method thereof |
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| CN2056680U (en) * | 1988-10-24 | 1990-05-02 | 能源部西南电力设计院 | Light optimization iron tower foundation |
| CN101349063A (en) * | 2008-08-21 | 2009-01-21 | 孟庆波 | Iron tower foundation of overhead power transmission line severely-weathered rock formation winding anchor rod |
| CN201495555U (en) * | 2009-08-18 | 2010-06-02 | 天津二建建筑工程有限公司 | Cap tower-crane foundation of concrete cast-in-place high pile for tower erection at the house center |
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|---|---|---|---|---|
| JPS59233019A (en) * | 1983-05-30 | 1984-12-27 | Kyoei Densetsu Kk | Method and part for forming earth anchor and automatic penetrator therefor |
| SU1534143A1 (en) * | 1987-07-13 | 1990-01-07 | Ленинградский инженерно-строительный институт | Method of determining soil resistance at lateral surface and point of a pile |
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| CN201495555U (en) * | 2009-08-18 | 2010-06-02 | 天津二建建筑工程有限公司 | Cap tower-crane foundation of concrete cast-in-place high pile for tower erection at the house center |
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102828519A (en) * | 2012-09-21 | 2012-12-19 | 国家电网公司 | Rectangular foundation pit separation and foundation bolt alignment method |
| CN102828519B (en) * | 2012-09-21 | 2015-09-30 | 国家电网公司 | Rectangular foundation divides the aligning method of hole and stone bolt |
| CN103526975A (en) * | 2013-09-25 | 2014-01-22 | 安徽宏源线路器材有限公司 | Iron tower production process based on three-dimensional space lofting |
| CN104154905A (en) * | 2014-08-08 | 2014-11-19 | 刘贵明 | Power line quick pit distribution device and pit distribution method |
| CN104821118A (en) * | 2015-06-03 | 2015-08-05 | 国网冀北电力有限公司唐山供电公司 | Teaching and training method for using of theodolite, and specialized theodolite stake |
| CN105507342A (en) * | 2015-11-25 | 2016-04-20 | 国家电网公司 | Pit dividing method for rectangular foundation of power transmission tower |
| CN105421480A (en) * | 2015-11-25 | 2016-03-23 | 国家电网公司 | Square foundation pit dividing method for power transmission tower |
| CN109837929A (en) * | 2017-11-29 | 2019-06-04 | 平煤神马建工集团有限公司 | A kind of surveying setting-out method applied to photovoltaic plant construction |
| CN109358353A (en) * | 2018-10-31 | 2019-02-19 | 中国电建集团山东电力建设第工程有限公司 | A kind of current collection line tower foundation quickly divides hole setting out method |
| WO2020088363A1 (en) * | 2018-10-31 | 2020-05-07 | 中国电建集团山东电力建设第一工程有限公司 | Fast pit marking and lofting method for transmission line foundation |
| CN109358353B (en) * | 2018-10-31 | 2022-12-09 | 中国电建集团山东电力建设第一工程有限公司 | Rapid pit-dividing lofting method for current collection circuit foundation |
| CN111485573A (en) * | 2020-03-19 | 2020-08-04 | 衡水衡源电力建设有限责任公司 | Transmission project prefabricated foundation installation and iron tower assembly coherent construction method |
| CN113203137A (en) * | 2021-05-17 | 2021-08-03 | 中国铁塔股份有限公司盐城市分公司 | Air conditioning system using communication iron tower foundation as soil source and construction method thereof |
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