CN106193034B - Photovoltaic plant spiral steel pipe pile construction method - Google Patents

Photovoltaic plant spiral steel pipe pile construction method Download PDF

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Publication number
CN106193034B
CN106193034B CN201610654082.0A CN201610654082A CN106193034B CN 106193034 B CN106193034 B CN 106193034B CN 201610654082 A CN201610654082 A CN 201610654082A CN 106193034 B CN106193034 B CN 106193034B
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steel pipe
pipe pile
spiral steel
drilling machine
stake
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CN106193034A (en
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童适
李力强
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SEPCO Electric Power Construction Co Ltd
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China Electrical Construction Group Sichuan Engineering Co Ltd
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    • EFIXED CONSTRUCTIONS
    • E02HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02DFOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D7/00Methods or apparatus for placing sheet pile bulkheads, piles, mouldpipes, or other moulds
    • EFIXED CONSTRUCTIONS
    • E02HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02DFOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D7/00Methods or apparatus for placing sheet pile bulkheads, piles, mouldpipes, or other moulds
    • E02D7/22Placing by screwing down

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  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Mining & Mineral Resources (AREA)
  • Paleontology (AREA)
  • Civil Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • Piles And Underground Anchors (AREA)
  • Placing Or Removing Of Piles Or Sheet Piles, Or Accessories Thereof (AREA)

Abstract

The present invention relates to photovoltaic plant construction fields, disclose a kind of photovoltaic plant spiral steel pipe pile construction method.The construction method is quickly surveyed using GPS measuring device set stake position after, the stake position on major axis is calibrated and adjusted with total station again, ensure the positioning accuracy of stake position, it is reequiped using the outdoor hidden hole drilling that the country generally uses, expense is low, reliable performance, safety is good, utilize the propulsion and rotation function of drilling machine, homemade drive shaft is installed additional in the rotary gear box output shaft front end of drilling machine, drilling machine output shaft is set more easily to connect and dismantle with spiral steel pipe pile, meet the requirement of spiral steel pipe pile drilling construction, greatly improve construction efficiency, reliability, safety and economy.This method is suitable for level land or in easy flights in 30 ° of mountainous region, and soil thickness pierces the spiral steel pipe pile driving construction under depth conditions not less than design after the remodeling of place.

Description

Photovoltaic plant spiral steel pipe pile construction method
Technical field
The present invention relates to photovoltaic plant construction field, especially a kind of photovoltaic plant spiral steel pipe pile construction method.
Background technique
In photovoltaic plant construction, spiral steel pipe pile has obtained extensive as photovoltaic bracket and the basic component of component Using.As soon as the quantity of spiral steel pipe pile is up to 18000 or more by taking the photovoltaic plant of 10MW as an example.
Measurement aspect, traditional measurement such as total station, theodolite have been unable to meet in a short time (about partly with modes such as rangefinders Month) complete so a large amount of survey and set up an office, although and the unwrapping wire mode efficiency of more novel GPS satellite positioning measurement equipment is high, Its deviations is most to be up to 20mm or so, is not able to satisfy the requirement of pile foundation axis location, necessarily causes thousands of upper Portion's photovoltaic bracket and component are difficult to install, or even can not install.
In terms of equipment, the construction equipment of photovoltaic spiral steel pipe pile, generally by unit in charge of construction according to the ground quality of built engineering The concrete conditions such as looks are chosen.According to the drilling machine reequiped using import all-hydraulic downhole drill or medium and small excavator, will pay High cost out, and because the place gradient of mountainous region photovoltaic is larger, landform is more complex, and the use of the above equipment is necessarily shown up Ground limitation;According to domestic open-air down-the-hole drill, although cost is relatively low, the requirement to place is lower, up to now, still cannot It is directly used in the construction of live photovoltaic spiral steel pipe pile.
Summary of the invention
It is high that technical problem to be solved by the invention is to provide a kind of tubular pole positioning accuracies, the fast photovoltaic plant of speed of application Spiral steel pipe pile construction method.
Photovoltaic plant spiral steel pipe pile construction method disclosed by the invention, which is characterized in that in turn include the following steps:
Step 1: the survey of GPS measuring device sets stake position, the stake position Coordinate setting-out indicated on drawing is arrived with GPS measuring device Live earth's surface, and carry out stake position label;
Step 2: total station is calibrated, is calibrated and adjusted with long axis of the total station to more string brackets, survey station is with same On the basis of the head and the tail two-end-point of axis, the deviation situation in the stake site of setting-out on axis is checked, then that finely tunes total station set mirror Where point and datum axis to most stake sites in the middle part of the width of distribution, then stake site is uniformly adjusted to the benchmark On axis.After axis is determined by this method, each stake position as unit of the same pack support at place, on the basis of the axis, is used respectively Other positions of steel ruler with the same pack support other than plumb bob adjustment axis;
Step 3: spiral steel pipe pile, is squeezed into the stake position of institute's setting-out by spiral steel pipe pile driving construction.
Preferably, the construction of spiral steel pipe is carried out in step 3 using open-air down-the-hole drill, and is made for being set with spiral The drive shaft of steel-pipe pile, described drive shaft one end is processed into the screw thread of identical size by the drilling rod of former drilling machine, for being screwed into drilling machine Rotary gear box output shaft front end output flange in, other end aperture to by bolt by drive shaft and spiral steel pipe pile It is connected, makes drive shaft by two-sided cutting and squeezing action, torsional latch is to drive spiral steel pipe pile to rotate, to complete to creep into Operating condition;
Step 3 specifically includes following small step:
A, drilling machine is in place:Open-air down-the-hole drill is moved to stake position, it is steady that the shutdown face of drilling machine must be able to maintain drill boom, no Obtain run-off the straight, displacement;
B, spiral steel pipe pile is installed:Drilling machine propeller is promoted and is kept to enough height, spiral steel pipe pile is covered upwards Enter drive shaft, hand-turning spiral steel pipe pile makes pin hole and drive shaft connecting hole to after just, is pressed directly into bolt with hand, will drive Axis is connected with spiral steel pipe pile;
C, drilling machine is adjusted:Using plumb bob inspection fixed in the middle part of drill boom, the verticality of adjustment drill boom, adjustment drill boom makes spiral The steel nail of steel-pipe pile bottom and stake position label is in same plumb line, checks again for, adjusts the verticality of drill boom;
D, the drilling that drilling machine carries out spiral steel pipe pile is opened;
E, it stops rotating after reaching control stake top absolute altitude, extracts the bolt of connection spiral steel pipe pile and drive shaft, promoted and slided Frame and rotary gear box, drilling machine are displaced to next position, and spiral steel pipe pile driving construction is completed.
Preferably, the raw material of the drive shaft use 40# carbon steel bar.
Preferably, the drive shaft is the slotted hole opened up along axial direction for the hole of grafting bolt.
Preferably, in a step of step 3, drilling machine is mobile using the mode constructed line by line to walking is moved back.
Preferably, in a step of step 3, when drilling machine is in place, more smooth reliable ground is selected, if ground slope Degree is steeper, then carries out traction fixation to drilling machine with hoist engine and wirerope.
Preferably, in the b step of step 3, low speed test drilling of first machining, observation spiral steel pipe pile is when creeping into 20mm It is no to have deviation;If there is deviation, it is suitably adjusted drill boom, is observed again after being drilled into 1/2 design drilling depth, continues to bore after errorless Into if deviation is still excessive, palpus be crept into again after adjusting drill boom.
Preferably, in entire work progress will at any time repetition measurement, in time adjustment, make pile position deviation in allowable error range Interior, spiral steel pipe pile lesser for pile position deviation, before pile terminates, operator is checked with 5m steel tape, adjusts drill boom Position continues to creep into pile after meeting the requirements deviation, and for deviation, indeed exceeded pile foundation must be extracted and be gone through pair The disturbance situation of the soil body, as remedial measure by the way of being crept into again after layering is rammed and filled out when necessary.
The beneficial effects of the invention are as follows:The present invention is quickly surveyed first with GPS measuring device set stake position after, then with total station pair Stake position on major axis is calibrated and is adjusted, and not only ensures the positioning accuracy of stake position, and can substantially shorten measurement work Phase, and it is small using open-air down-the-hole drill contour dimension, it is stronger to place adaptability, it need only be slightly smooth to place or even not It needs smooth, so that it may reach no dead angle construction, maximumlly reduce expense and time that construction channel is built;Drilling machine reequips work Measure small, technology maturation, energy consumption is lower, low in cost, and maintain it is convenient and efficient, it is advantageously ensured that the construction period, and Open-air down-the-hole drill center of gravity is low, man-machine to split, and can ensure that the personal safety of operating personnel when side slope is nearby constructed.This method is applicable in In in easy flights in 30 ° of mountainous region (including level land), and soil thickness pierces under depth conditions not less than design after the remodeling of place Spiral steel pipe pile driving construction
Specific embodiment
The present invention is further described below.
Photovoltaic plant spiral steel pipe pile construction method disclosed by the invention, in turn includes the following steps:
Step 1: the survey of GPS measuring device sets stake position, the stake position Coordinate setting-out indicated on drawing is arrived with GPS measuring device Live earth's surface, and stake position label is carried out, with easy to find, label pricks the red polyethylene glue for being about 200mm using 8# wire nail Band can reduce influence of the drilling machine displacement to label to the maximum extent, to graveyard, abrupt slope, channel, the sign leased land boundary for influencing construction Etc. stake position in ranges, outpoured in time in the acceptance of the bid of electronics domain, as corresponding foundation when to design adjustment;
Step 2: total station is calibrated, is calibrated and adjusted with long axis of the total station to more string brackets, survey station is with same On the basis of the head and the tail two-end-point of axis, the deviation situation in the stake site of setting-out on axis is checked, then that finely tunes total station set mirror Where point and datum axis to most stake sites in the middle part of the width of distribution, then stake site is uniformly adjusted to the benchmark On axis.After axis is determined by this method, each stake position as unit of the same pack support at place, on the basis of the axis, is used respectively Other positions of steel ruler with the same pack support other than plumb bob adjustment axis;
Step 3: spiral steel pipe pile, is squeezed into the stake position of institute's setting-out by spiral steel pipe pile driving construction.
The construction of specific spiral steel pipe pile can be used import all-hydraulic downhole drill used in the prior art, or in, The drilling machine of mini-excavator repacking is constructed, and it is preferred that, spiral is carried out using open-air down-the-hole drill in step 3 The construction of steel pipe, and the drive shaft for being set with spiral steel pipe pile is made, the raw material of drive shaft preferably use 40# carbon rod iron Material.Described drive shaft one end is processed into the screw thread of identical size by the drilling rod of former drilling machine, for being screwed into the rotary gear box of drilling machine In the output flange of output shaft front end, other end aperture makes to drive drive shaft to be connected with spiral steel pipe pile by bolt Moving axis is by two-sided cutting and squeezing action, and torsional latch is to drive spiral steel pipe pile to rotate, to complete drilling condition, for convenience Grafting, hole of the drive shaft for grafting bolt is the slotted hole opened up along axial direction;
Step 3 specifically includes following small step:
A, drilling machine is in place:Open-air down-the-hole drill is moved to stake position, stake position and pile foundation for the measuring that keeps the scene intact, drilling machine It is preferred that it is mobile using the mode constructed line by line to walking is moved back, when drilling machine is in place, more smooth reliable ground is selected, if Ground line gradient is steeper, then carries out traction fixation to drilling machine with hoist engine and wirerope, the shutdown face of drilling machine must be able to maintain drill boom It steadily, must not run-off the straight, displacement;
B, spiral steel pipe pile is installed:Drilling machine propeller is promoted and is kept to enough height, spiral steel pipe pile is covered upwards Enter drive shaft, hand-turning spiral steel pipe pile makes pin hole and drive shaft connecting hole to after just, is pressed directly into bolt with hand, will drive Axis is connected with spiral steel pipe pile;
C, drilling machine is adjusted:Using plumb bob inspection fixed in the middle part of drill boom, the verticality of adjustment drill boom, adjustment drill boom makes spiral The steel nail of steel-pipe pile bottom and stake position label is in same plumb line, checks again for, adjusts the verticality of drill boom;
D, the drilling that drilling machine carries out spiral steel pipe pile is opened, low speed test drilling of first machining observes spiral when creeping into 20mm Whether steel-pipe pile has deviation;If there is deviation, it is suitably adjusted drill boom, is observed again after being drilled into 1/2 design drilling depth, after errorless Continue to creep into, if deviation is still excessive, must be crept into again after adjustment drill boom;
E, it stops rotating after reaching control stake top absolute altitude, extracts the bolt of connection spiral steel pipe pile and drive shaft, promoted and slided Frame and rotary gear box, drilling machine are displaced to next position, and spiral steel pipe pile driving construction is completed.
The defect problem of stake position construction, will adhere to the working method of " putting prevention first and combining prevention with control ".It is controlled first from source Error, when surveying and locating, will keep on improving, cannot careless general idea;In work progress will at any time repetition measurement, in time adjustment, keep stake position inclined Difference is within the scope of allowable error.Screw pile lesser for pile position deviation, before pile terminates, operator 5m steel tape school Core adjusts drill boom position, continues to creep into pile after meeting the requirements deviation.For deviation, indeed exceeded pile foundation must be extracted simultaneously The disturbance situation to the soil body is gone through, as remedial measure by the way of creeping into again after layering is rammed and filled out when necessary.

Claims (7)

1. photovoltaic plant spiral steel pipe pile construction method, which is characterized in that in turn include the following steps:
Step 1: the survey of GPS measuring device sets stake position, with GPS measuring device by the stake position Coordinate setting-out indicated on drawing to live Earth's surface, and carry out stake position label;
Step 2: total station is calibrated, is calibrated and adjusted with long axis of the total station to more string brackets, survey station is with same axis Head and the tail two-end-point on the basis of, check axis on setting-out stake site deviation situation, then finely tune total station set mirror point and Where datum axis to most stake sites in the middle part of the width of distribution, then stake site is uniformly adjusted to the datum axis On, after axis is determined by this method, steel ruler as unit of the same pack support at place, on the basis of the axis, is used respectively in each stake position Other positions of the same pack support other than axis are adjusted with plumb bob;
Step 3: spiral steel pipe pile, is squeezed into the stake position of institute's setting-out by spiral steel pipe pile driving construction;
The construction of spiral steel pipe is carried out in step 3 using open-air down-the-hole drill, and makes the driving for being set with spiral steel pipe pile Axis, described drive shaft one end are processed into the screw thread of identical size by the drilling rod of former drilling machine, for being screwed into the rotary gear box of drilling machine In the output flange of output shaft front end, other end aperture makes to drive drive shaft to be connected with spiral steel pipe pile by bolt Moving axis is by two-sided cutting and squeezing action, and torsional latch is to drive spiral steel pipe pile to rotate, to complete drilling condition;
Step 3 specifically includes following small step:
A, drilling machine is in place:Open-air down-the-hole drill is moved to stake position, it is steady that the shutdown face of drilling machine must be able to maintain drill boom;
B, spiral steel pipe pile is installed:Drilling machine propeller is promoted and is kept to enough height, spiral steel pipe pile is inserted in drive upwards Moving axis, hand-turning spiral steel pipe pile make pin hole and drive shaft connecting hole to after just, are pressed directly into bolt with hand, by drive shaft with Spiral steel pipe pile connects;
C, drilling machine is adjusted:Using plumb bob inspection fixed in the middle part of drill boom, the verticality of adjustment drill boom, adjustment drill boom makes spiral steel pipe The steel nail of stake bottom and stake position label is in same plumb line, checks again for, adjusts the verticality of drill boom;
D, the drilling that drilling machine carries out spiral steel pipe pile is opened;
E, reach control stake top absolute altitude after stop rotating, extract connection spiral steel pipe pile and drive shaft bolt, promoted balladeur train and Rotary gear box, drilling machine are displaced to next position, and spiral steel pipe pile driving construction is completed.
2. photovoltaic plant spiral steel pipe pile construction method as described in claim 1, it is characterised in that:The former material of the drive shaft Material uses 40# carbon steel bar.
3. photovoltaic plant spiral steel pipe pile construction method as described in claim 1, it is characterised in that:The drive shaft is for inserting The hole for patching pin is the slotted hole opened up along axial direction.
4. photovoltaic plant spiral steel pipe pile construction method as described in claim 1, it is characterised in that:In a step of step 3, Drilling machine is mobile using the mode constructed line by line to walking is moved back.
5. photovoltaic plant spiral steel pipe pile construction method as described in claim 1, it is characterised in that:In a step of step 3, When drilling machine is in place, more smooth reliable ground is selected, if ground line gradient is steeper, with hoist engine and wirerope to drilling machine Carry out traction fixation.
6. photovoltaic plant spiral steel pipe pile construction method as described in claim 1, it is characterised in that:In the b step of step 3, It first machines low speed test drilling, whether observation spiral steel pipe pile has deviation when creeping into 20mm;If there is deviation, it is suitably adjusted brill Arm is observed again after being drilled into 1/2 design drilling depth, continues to creep into after errorless, if deviation is still excessive, must bore again after adjustment drill boom Into.
7. photovoltaic plant spiral steel pipe pile construction method as described in claim 1, it is characterised in that:In entire work progress Will at any time repetition measurement, in time adjustment, make pile position deviation within the scope of allowable error, spiral steel pipe pile lesser for pile position deviation, Before pile terminates, operator with 5m steel tape check, adjust drill boom position, continue after meeting the requirements deviation drilling at Stake, for deviation, indeed the disturbance situation to the soil body must be extracted and be gone through to exceeded pile foundation, and weight after filling out is rammed using layering The mode newly crept into is as remedial measure.
CN201610654082.0A 2016-08-11 2016-08-11 Photovoltaic plant spiral steel pipe pile construction method Active CN106193034B (en)

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Publication number Priority date Publication date Assignee Title
CN107119684A (en) * 2017-04-07 2017-09-01 国家电网公司 Steel pipe pile foundation process for sinking in transmission line of electricity
CN107419726B (en) * 2017-09-05 2019-08-20 广东水电二局股份有限公司 A kind of vibration pressure prefabricated tubular pile accurate positioning plant pile construction method
CN113481973A (en) * 2021-06-10 2021-10-08 中铁三局集团广东建设工程有限公司 Construction method of steel pipe pile of subway station

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JP5177065B2 (en) * 2009-04-10 2013-04-03 新日鐵住金株式会社 Steel pipe pile and its construction method
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CN103527087A (en) * 2013-09-26 2014-01-22 浙江钱塘江水利建筑工程公司 Impact holing method in cast-in-place construction method
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Address after: 641005 138 Road, Baima Town, Central District, Neijiang, Sichuan

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