CN110513038A - It closes on Business Line rock geology pile foundation water mill and bores construction - Google Patents

It closes on Business Line rock geology pile foundation water mill and bores construction Download PDF

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Publication number
CN110513038A
CN110513038A CN201910793437.8A CN201910793437A CN110513038A CN 110513038 A CN110513038 A CN 110513038A CN 201910793437 A CN201910793437 A CN 201910793437A CN 110513038 A CN110513038 A CN 110513038A
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CN
China
Prior art keywords
hole
construction
water mill
pile foundation
splitting
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Pending
Application number
CN201910793437.8A
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Chinese (zh)
Inventor
马建勋
李高峰
王俊伟
高昌伟
郭玥
王帅
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
TAIYUAN RAILWAY CONSTRUCTION Co Ltd ZHONGTIE 6-BUREAU GROUP
China Railway Sixth Group Co Ltd
Taiyuan Railway Construction Co Ltd of China Railway Sixth Group Co Ltd
Original Assignee
TAIYUAN RAILWAY CONSTRUCTION Co Ltd ZHONGTIE 6-BUREAU GROUP
China Railway Sixth Group Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
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Publication date
Application filed by TAIYUAN RAILWAY CONSTRUCTION Co Ltd ZHONGTIE 6-BUREAU GROUP, China Railway Sixth Group Co Ltd filed Critical TAIYUAN RAILWAY CONSTRUCTION Co Ltd ZHONGTIE 6-BUREAU GROUP
Priority to CN201910793437.8A priority Critical patent/CN110513038A/en
Publication of CN110513038A publication Critical patent/CN110513038A/en
Pending legal-status Critical Current

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    • EFIXED CONSTRUCTIONS
    • E21EARTH OR ROCK DRILLING; MINING
    • E21BEARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B7/00Special methods or apparatus for drilling

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  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Geology (AREA)
  • Mining & Mineral Resources (AREA)
  • Physics & Mathematics (AREA)
  • Environmental & Geological Engineering (AREA)
  • Fluid Mechanics (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Earth Drilling (AREA)

Abstract

The present invention relates to manually digging hole constructions, specially close on Business Line rock geology pile foundation water mill and bore construction.Water mill of the present invention bores method and takes out cylindrical body core along pile foundation surrounding using concrete water abrasive drilling, form a circle periphery free face, it spuds in sillar central region, splitting hole is bored in the horizontal direction at a certain distance using electric drill, then the free face formed with peripheral channel bore from periphery to centre and be split with hydraulic splitting machine.When extruding force is greater than the sum of Ultimate Tensile power and ultimate shear shear force, along plummet face by drawing crack and from bottom shear fracture occurs for rock, and the sillar for taking out division forms internal free face.It is successively acted on according to the circulating process for being layered coring, rupturing, take sillar, is finally reached the purpose of pore-forming.The present invention suitable for cubic meter of stone location artificial digging pile and subgrade support retainer structure pile basis pore-forming or near existing line bridge and residential house enterprise nearby and weak weathering or the construction of weathered rock formation pile foundation pore-forming.

Description

It closes on Business Line rock geology pile foundation water mill and bores construction
Technical field
The present invention relates to manually digging hole constructions, specially close on Business Line rock geology pile foundation water mill and bore construction work Method.
Background technique
Recently as the expansion of China's transport development scale, work is dug in highway, railway engineering and non-pop of municipal pipeline The fields such as journey construction environment is increasingly sophisticated, and security risk is continuously improved.
When pile plate wall, gravity retaining wall pre-reinforcement stake holes pile foundation construction encounter weak weathering or middle decayed rock, by The influences such as orographic condition, surface buildings do not allow to excavate using explosive blasting, are also not suitable for gravity impact drill mechanical work, people Work borehole becomes preferred embodiment and is promoted and applied, but the long construction period that manually digging hole is shown in hard rock stratum pore-forming, The problems such as pneumatic pick abolishes difficulty, and resource input increases, constrains project progress.
Summary of the invention
Long construction period, the pneumatic pick that the present invention is shown for manually digging hole in hard rock stratum pore-forming abolish difficult, money The problems such as source investment increases provides and closes on Business Line rock geology pile foundation water mill brill construction.
The present invention adopts the following technical scheme that realization: closing on Business Line rock geology pile foundation water mill and bores construction work Method, comprising the following steps:
(1) construction lofting;
(2) surveying setting-out, cloth hole;
(3) Parking position lock mouth is constructed;
(4) water mill drills, takes periphery core: building reservoir, is bored and connected using water pipe and water mill;Man-hour manually hand-held water mill bores in hole Boring and coring on stake contour line, is used to be applied in a manner of phase cyclotomy by horizontal direction and drills through core, form round periphery free face on periphery;
(5) it bores splitting hole: first boring splitting hole with electric drilling machine in the middle section of hole stake contour line coring;
(6) hydraulic splitting machine divides core rock mass: after the completion of splitting hole, then with the free face of peripheral channel formation, use is hydraulic Splitting machine carries out division rock mass from periphery to centre;
(7) artificial to remove splitting rock mass: internal free face is formed after manually slagging tap;
(8) it pore-forming: is continuously bored on the basis of forming internal free face according to the circulating process for being layered coring, rupturing, take rock mass Into until projected depth, meeting after design meets the requirements, next procedure is carried out.
Water mill of the present invention bores method and takes out cylindrical body core along pile foundation surrounding using concrete water abrasive drilling, forms a circle periphery Free face spuds in sillar central region, splitting hole is bored in the horizontal direction at a certain distance using electric drill, then with peripheral channel The free face of formation bore from periphery to centre and be split with hydraulic splitting machine.When extruding force is anti-greater than Ultimate Tensile power and the limit When the sum of shearing force, along plummet face by drawing crack and from bottom shear fracture occurs for rock, and the sillar for taking out division forms inside and faces Empty face.It is successively acted on according to the circulating process for being layered coring, rupturing, take sillar, is finally reached the purpose of pore-forming.
The above-mentioned Business Line rock geology pile foundation water mill that closes on bores construction, and coring hole center spacing 13cm, two holes are taken 2cm is met, guarantees coring efficiency and the lesser amount of backbreaking.
The above-mentioned Business Line rock geology pile foundation water mill that closes on bores construction, the adjacent pitch of holes 40cm in splitting hole, array pitch 40cm, aperture 4.2cm, hole number 26~28.
The present invention has following technological merit:
(1) influenced by place limitation it is small, put into it is small, construction cost is low.This engineering method is not necessarily to large scale equipment, and required equipment cost is low, It is light easy to maintain, it is easily operated, and need to be less with labour, common laborer can be operated, the investment in terms of equipment and personnel Smaller to compare with low shake, microseism engineering methods such as static blasting, milling digging method, tunnel boring machine methods, construction cost is low, shortens the construction period.
(2) compared with Blasting Excavation forming hole method, construction efficiency is high, flexible operation.
(3) simple process, carrying out simple training to operator can be on duty, and be easy to learning and mastering, convenient for promoting, pore-forming Precision is high.
(4) opposite blasting procedure is smaller to the extent of the destruction of rock mass, and is not influenced by both wired main points and ambient enviroment, Under MODEL OVER COMPLEX TOPOGRAPHY (near near existing line and house enterprise), safety is higher.
Become a new technical task by changing construction method raising manually digging hole quality of pile progress, using water mill The non-digging that pops of drilled as holes construction technology, reduces construction risk, reduces difficulty of construction, saved cost, achieve good Economic benefit and social benefit, form this engineering method.Construction proof, engineering method technological operation simple possible, securely and reliably, applicability By force, economic benefit is relatively obvious, reasonable.The practice success of this engineering method can mention for same type construction under other condition of similarity For Experience.Suitable for cubic meter of stone location artificial digging pile and subgrade support retainer structure pile basis pore-forming or near existing line bridge and the people Room enterprise nearby and weak weathering or middle weathered rock formation pile foundation pore-forming construction.
Detailed description of the invention
Fig. 1 is flow chart of the invention.
Fig. 2 is coring hole layout drawing.
In figure: 1- coring hole, 2- cleave hole.
Specific embodiment
Construction technology process of the present invention and key points for operation are described in detail.
Construction technology process: preparation of construction → construction lofting → surveying setting-out, cloth hole → Parking position lock mouth construction → water mill bore It drills, take periphery core → brill splitting hole → hydraulic splitting machine divides core rock mass → manually slag tap → pore-forming, inspection.
Construction lofting
Stake position should be accurately released before spudding in, and Center stake point is drawn into 80cm outside casing with cross hairs, is fixed with cement mortar.With benefit The forming dimension for capableing of device to hole stake at any time in construction is checked, is corrected, while being played and being protected point;Stake holes periphery, use are white Ash spreads line style.
The construction of Parking position lock mouth
It constructs after the completion of construction lofting fore shaft, fore shaft will be configured according to piles with different diameter, and fore shaft interior diameter requires bigger than freshwater mussel diameter 10cm, fore shaft thickness are not less than 40cm, are poured using coagulation scholar's formwork erection, and 30cm above ground level is answered in fore shaft top surface, and fore shaft is flat straight It answers round and smooth smooth, is monitored to measure group to its centralized positioning and absolute altitude, scale error is not more than 5cm.
Water mill drilling takes periphery core
(1) reservoir is built in suitable position, is bored and is connected using Φ 15mm water pipe and water mill.Along hole wall middle line after water mill drilling machine is in place Drilling carries out the removing that continuous drilling carries out rock mass along stake section, and bore diameter is 0.15 meter, and drilling depth is 0.50 meter, often 1 bench drill machine is set in a stake holes.Drilling pitch of holes 40cm, array pitch 40cm of the middle part for splitting.Water mill drilling arrangement such as Fig. 2 It is shown.
(2) booting checks that water mill bores whether operating is normal, and then man-hour manually hand-held water mill is bored to drill on hole stake contour line and be taken Core, is used to be applied in a manner of phase cyclotomy by horizontal direction and drills through core, is formed continuous conduit free face on periphery, is ultimately formed round periphery Free face.
(3) in order to guarantee coring efficiency and the lesser amount of backbreaking simultaneously, adjacent drill center spacing 13cm, adjacent two hole is taken 2cm is met, every circulation coring hole count is at 65~70.Depth 50cm or so is drilled through every time according to core drill tube length degree.Every bench drill machine Need 3~4 people operation.One hole drilling time is about 5~10 minutes when coring.
(4) when water mill drills through core in place, the artificial water mill that slowly pulls out is bored, and is manually gently tapped core, is kept it disconnected with parent rock It opens, is then manually drawn off, water mill brill is moved at next hole location and drilled.Stake quarrel out will be transported outward in time, aperture surrounding 2m Sundries must not be stacked in range.
Bore splitting hole
Electronic drill hole of drilling machine, adjacent pitch of holes 40cm, array pitch 40cm, aperture are first used in the middle section of hole stake contour line coring 4.2cm, hole number 26~28.
Hydraulic splitting machine divides core rock mass
1, after the completion of coring hole, the free face then formed with peripheral channel is divided with hydraulic splitting machine from periphery to centre Split rock mass.
2, splitting uses a splitting machine, 2 operators.
It is artificial to remove splitting rock mass
Artificial dress slag, motor hoist muck removal: after a single cycle construction action, the core that water drilling drills out successively is gone out The side of quarrel, muck removal stake holes carries out, and then electric drilling machine drills, and is once slagged tap again after hydraulic splitting rock.According to scene About 2 fortune tiny fragments of stone, coal, etc. rotation muck removals of condition after having excavated 4 circulations, concentrate clear quarrel to spoil disposal area with loading machine.
Pore-forming
Continuous drilling is up to projected depth, and bottom hole must reach smooth, no loose slag, mud, precipitating or the soft formation disturbed, then It contacts design department's geology engineer and carries out the confirmation of stake position geology, meet after design meets the requirements, carry out next procedure.
Economic benefit
It is calculated according to daily working 12 hours, blast working daily footage 3m is calculated, and uses 4 people of labour;This engineering method construction daily footage 4 Rice, uses 2 people of labour.
Near existing line, use close to intensive residential house location this engineering method construction hole project cost for 0.17 ten thousand yuan/prolong Rice uses the hole stake project cost of blasting for 0.23 ten thousand yuan/linear meter(lin.m.) under the conditions of, and more full blast working method can save work Journey invests 0.06 ten thousand yuan/linear meter(lin.m.).There is preferable economic benefit.
Social benefit
In near existing line, close intensive residential house location construction, due to the successful development and application of this engineering method, construction had both been saved Cost ensure that both wired normal operations, and on Adjacent Buildings without influence, a safety, quality accident does not occur in construction. Smoothly building up for engineering, improves the integral level of railway construction, safety factor caused by eliminating because of blast working, for from now on Pile plate wall, antiskid pile driving construction provide reliable decision-making foundation under conditions of similarity, embody good society, technology and Environmental Effect Benefit.
To sum up this engineering method creates good social and economic benefit, there is great promotional value in similar engineering.

Claims (3)

1. closing on Business Line rock geology pile foundation water mill bores construction, it is characterised in that the following steps are included:
(1) construction lofting;
(2) surveying setting-out, cloth hole;
(3) Parking position lock mouth is constructed;
(4) water mill drills, takes periphery core: building reservoir, is bored and connected using water pipe and water mill;Man-hour manually hand-held water mill bores in hole Boring and coring on stake contour line, is used to be applied in a manner of phase cyclotomy by horizontal direction and drills through core, form round periphery free face on periphery;
(5) it bores splitting hole: first boring splitting hole with electric drilling machine in the middle section of hole stake contour line coring;
(6) hydraulic splitting machine divides core rock mass: after the completion of splitting hole, then with the free face of peripheral channel formation, use is hydraulic Splitting machine carries out division rock mass from periphery to centre;
(7) artificial to remove splitting rock mass: internal free face is formed after manually slagging tap;
(8) it pore-forming: is continuously bored on the basis of forming internal free face according to the circulating process for being layered coring, rupturing, take rock mass Into until projected depth, meeting after design meets the requirements, next procedure is carried out.
2. the Business Line rock geology pile foundation water mill according to claim 1 that closes on bores construction, it is characterised in that coring Hole (1) center spacing 13cm, two holes overlap 2cm.
3. the Business Line rock geology pile foundation water mill according to claim 1 or 2 that closes on bores construction, it is characterised in that split The adjacent pitch of holes 40cm of ceasma (2), array pitch 40cm, aperture 4.2cm, hole number 26~28.
CN201910793437.8A 2019-08-27 2019-08-27 It closes on Business Line rock geology pile foundation water mill and bores construction Pending CN110513038A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201910793437.8A CN110513038A (en) 2019-08-27 2019-08-27 It closes on Business Line rock geology pile foundation water mill and bores construction

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Application Number Priority Date Filing Date Title
CN201910793437.8A CN110513038A (en) 2019-08-27 2019-08-27 It closes on Business Line rock geology pile foundation water mill and bores construction

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Publication Number Publication Date
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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110985030A (en) * 2019-12-06 2020-04-10 中铁隧道局集团有限公司 Single-arm variable-wheelbase double-shaft water mill drilling mechanism
CN113154975A (en) * 2021-05-25 2021-07-23 四川省交通勘察设计研究院有限公司 Anti-slide pile pre-drilling blasting excavation method
CN113216832A (en) * 2021-04-09 2021-08-06 中铁六局集团有限公司 Water-mill drilling construction method for pile hole in karst area
CN113266016A (en) * 2021-05-28 2021-08-17 五冶集团上海有限公司 Construction method of terrazzo drill for anti-slide pile of quarrying pit
CN113431575A (en) * 2021-06-11 2021-09-24 中铁六局集团有限公司 Construction method for assisting excavation of stone cutting by plunger type rock hydraulic splitter

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107059847A (en) * 2017-06-20 2017-08-18 中国华西企业有限公司 A kind of competent bed water mill bores pouring pile hole structure and its construction from the bottom of one's heart
CN108589740A (en) * 2018-03-28 2018-09-28 江苏省交通工程集团有限公司 The water mill of artificial digging pile bores construction method
CN109403352A (en) * 2018-09-10 2019-03-01 中建四局第六建筑工程有限公司 A kind of middle weathered rock formation super-large diameter hole stake combination excavation method
CN109736825A (en) * 2018-12-24 2019-05-10 中铁三局集团有限公司 Super hard rock tunnel water drilling cooperates hydraulic splitting excavation construction method

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107059847A (en) * 2017-06-20 2017-08-18 中国华西企业有限公司 A kind of competent bed water mill bores pouring pile hole structure and its construction from the bottom of one's heart
CN108589740A (en) * 2018-03-28 2018-09-28 江苏省交通工程集团有限公司 The water mill of artificial digging pile bores construction method
CN109403352A (en) * 2018-09-10 2019-03-01 中建四局第六建筑工程有限公司 A kind of middle weathered rock formation super-large diameter hole stake combination excavation method
CN109736825A (en) * 2018-12-24 2019-05-10 中铁三局集团有限公司 Super hard rock tunnel water drilling cooperates hydraulic splitting excavation construction method

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110985030A (en) * 2019-12-06 2020-04-10 中铁隧道局集团有限公司 Single-arm variable-wheelbase double-shaft water mill drilling mechanism
CN113216832A (en) * 2021-04-09 2021-08-06 中铁六局集团有限公司 Water-mill drilling construction method for pile hole in karst area
CN113216832B (en) * 2021-04-09 2024-05-31 中铁六局集团有限公司 Construction method for water milling and drilling of pile holes in karst areas
CN113154975A (en) * 2021-05-25 2021-07-23 四川省交通勘察设计研究院有限公司 Anti-slide pile pre-drilling blasting excavation method
CN113266016A (en) * 2021-05-28 2021-08-17 五冶集团上海有限公司 Construction method of terrazzo drill for anti-slide pile of quarrying pit
CN113431575A (en) * 2021-06-11 2021-09-24 中铁六局集团有限公司 Construction method for assisting excavation of stone cutting by plunger type rock hydraulic splitter
CN113431575B (en) * 2021-06-11 2024-04-26 中铁六局集团有限公司 Construction method for assisting stone cutting excavation by plunger type rock hydraulic splitter

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Application publication date: 20191129

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