CN102913132B - Close on both wired karst district boring oblique rock treatment processs of stake - Google Patents

Close on both wired karst district boring oblique rock treatment processs of stake Download PDF

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Publication number
CN102913132B
CN102913132B CN201210374826.5A CN201210374826A CN102913132B CN 102913132 B CN102913132 B CN 102913132B CN 201210374826 A CN201210374826 A CN 201210374826A CN 102913132 B CN102913132 B CN 102913132B
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China
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rock
stake
wired
slope
rock drill
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CN201210374826.5A
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CN102913132A (en
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金明
尚尔海
王学忠
宋胜林
薄春莲
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China Railway 19th Bureau Group Co Ltd
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China Railway 19th Bureau Group Co Ltd
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Abstract

The present invention relates to karst district boring stake hole creating technology, disclose one and close on both wired karst district boring oblique rock treatment processs of stake, this constructional method comprises the following steps: district to be drilled is holed by S1, employing rock drill; S2, creep into the rock of slope, in time rock drill is proposed outside hole, hang in mud tube simultaneously and carry out mud circulation; S3, geology rig bore multiple aperture on the top of slope rock, and the globality destroying slope rock is to reduce its intensity; S4, employing digging machine backfill slabstone in stake, and adopt rock drill to carry out little stroke impact to beat closely knit by backfill slabstone; S5, backfill slabstone is beaten closely knit after adopt rock drill continue to creep into. When the present invention efficiently solves karst district drilled pile construction, after inclined hole occurring when running into slope rock, it is difficult to the problem of correction, it is to increase operating efficiency and surrounding building are such as both wired safe reliability.

Description

Close on both wired karst district boring oblique rock treatment processs of stake
Technical field
The present invention relates to karst district boring stake hole creating technology, particularly relate to one and close on both wired karst district boring oblique rock treatment processs of stake.
Background technology
At present, the boring stake of Line for Passenger Transportation karst district is when creeping into, running into slope rock through often after entering rock, traditional treatment process has two kinds usually, and one is propose outside hole by drill bit, then backfill slabstone again creeps into and rectifies a deviation, this kind of method is the most economical, also conventional, its shortcoming be run into the gradient rise and fall big and hard scar time, due to the slabstone insufficient strength of backfill, rectifying effect is undesirable; Two is utilize underwater blasting, is destroyed by the scar tilted, and then backfills slabstone and again creeps into, the shortcoming of this method is when closing on both wired constructions, and security risk is big, is normally prohibited from using, in addition, the medicine amount of explosion controls careless words, it is easy to the phenomenon of collapse hole occur.
Summary of the invention
(1) technical problem solved
When the technical problem to be solved in the present invention how to solve karst district drilled pile construction, after inclined hole occurring when running into slope rock, it is difficult to the problem of correction.
(2) technical scheme
In order to solve the problems of the technologies described above, one provided by the invention closes on both wired karst district boring oblique rock treatment processs of stake, comprises the following steps: district to be drilled is holed by S1, employing rock drill; S2, creep into the rock of slope, in time rock drill is proposed outside hole, hang in mud tube simultaneously and carry out mud circulation; S3, geology rig bore multiple aperture on the top of slope rock, and the globality destroying slope rock is to reduce its intensity; S4, employing digging machine backfill slabstone in stake, and adopt rock drill to carry out little stroke impact to beat closely knit by backfill slabstone; S5, backfill slabstone is beaten closely knit after adopt rock drill continue to creep into.
Wherein, described rock drill is placed on steel sheet pile.
Wherein, the steel pile casting in stake arranges sleeper, described geology rig is placed on sleeper.
Wherein, described geology rig bores 2��8 apertures on the top of slope rock.
Wherein, digging machine is adopted to backfill the slabstone exceeding scar 20��30cm in stake.
(3) useful effect
The one that technique scheme provides closes on both wired karst district boring oblique rock treatment processs of stake, backfill slabstone is carried out after slope rock opens aperture, and continue to creep into after adopting rock drill to carry out little stroke impact, when efficiently solving karst district drilled pile construction, the problem of correction it is difficult to, it is to increase operating efficiency and surrounding building are such as both wired safe reliability after inclined hole occurring when running into slope rock.
Embodiment
Below in conjunction with embodiment, the specific embodiment of the present invention is described in further detail. Following examples are for illustration of the present invention, but are not used for limiting the scope of the invention.
The one of the present invention closes on both wired karst district boring oblique rock treatment processs of stake, comprises the following steps: district to be drilled is holed by S1, employing rock drill; S2, creep into the rock of slope, in time rock drill is proposed outside hole, hang in mud tube simultaneously and carry out mud circulation; S3, geology rig bore multiple aperture on the top of slope rock, and the globality destroying slope rock is to reduce its intensity; S4, employing digging machine backfill slabstone in stake, and adopt rock drill to carry out little stroke impact to beat closely knit by backfill slabstone; S5, backfill slabstone is beaten closely knit after adopt rock drill continue to creep into.
Rock drill is to, when creeping in stake, adopting big stroke (height of drill bit is 2-3 rice); Little stroke (height of drill bit is 0.5-1 rice) is adopted when being crept into by slope rock.
Being placed on steel sheet pile by rock drill, rig substructure is carried out pad reinforcing, in case surface subsidence, when can effectively prevent from collapsing hole, rig sinks and topples, and jeopardizes both Wired Security.
In order to make geology rig steady, the steel pile casting in stake arranges the sleeper of more than two, geology rig is placed on sleeper.
In order to strengthen the firm of steel pile casting, steel pile casting and steel sheet pile are welded to connect.
Wherein, geology rig bores 2��8 apertures on the top of slope rock. In stake, backfill exceedes the slabstone of scar 20��30cm.
A kind of concrete working process closing on both wired karst districts boring stake oblique rock treatment process that technique scheme provides is: construct close on both wired karst district boring stake time, first rock drill perforate is adopted to creep into, before boring stake goes into operation, by stake, rig operations hand is told somebody what one's real intentions are, content of telling somebody what one's real intentions are comprises geological condition, solution cavity size, enter rock position, scar fluctuating situation and construction requirement etc., when rock drill is in place, 2 are laid to the steel sheet pile (or other steel construction) of totally 4 (or 3 to 6) each 10��15m length under rock drill, rig substructure is carried out pad reinforcing, in stake, bury the steel pile casting of appropriate depth underground simultaneously, steel pile casting and steel sheet pile are welded to connect, when rock drill is normally drilled into slope rock, after inclined hole occurs, in time the drill bit of rock drill is proposed outside stake, adopt the attached wireline of rig to hang in hole by mud tube simultaneously, carry out mud circulation, in case collapse hole, on steel pile casting, place two sleepers simultaneously, firm for geology rig is placed on sleeper, geology rig is utilized to carry out boring 2-8 aperture (this little hole number is depending on footpath size and a rock hardness) at the higher position of inclined rock base, to destroy the globality of rock so that it is intensity obviously declines, after having holed, geology rig is moved out, utilize digging machine to backfill slabstone in stake, slabstone exceedes scar 20��30 centimetres, then rock drill is put into stake, first adopts little stroke to impact, until the slabstone of backfill is hit beat closely knit after, then adopt big stroke continue normally creep into. after rock drill creeps into again, there will not be the phenomenon in inclined hole.
When the present invention efficiently solves karst district drilled pile construction, after inclined hole occurring when particularly running into the slope scar that the gradient rises and falls big, it is difficult to the problem of correction, it is to increase operating efficiency, building such as the both wired security around it can not be impacted.
Long Line for Passenger Transportation rivers and mountains, Hangzhoupro grand bridge closes in both wired boring pile foundation construction process, part pile foundation runs into the big limestone of domatic fluctuating, use ordinary method, backfill slabstone is utilized to rectify a deviation, but repeatedly backfill repeatedly, after general correction, there is bigger inclined hole less than continuing after 10cm in drilling depth, seriously affect construction speed, adopt the present embodiment offer to close on both wired karst district boring oblique rock treatment processs of stake to construct, the rectifying effect of slope rock is obvious, can greatly improve operating efficiency and to both wired safe reliability.
The above is only the preferred embodiment of the present invention; it is noted that for those skilled in the art, under the prerequisite not departing from the technology of the present invention principle; can also making some improvement and replacement, these improve and replace and also should be considered as protection scope of the present invention.

Claims (4)

1. one kind is closed on both wired karst district boring oblique rock treatment processs of stake, it is characterised in that, comprise the following steps:
District to be drilled is holed by S1, employing rock drill, when rock drill is in place, 2 are laid to totally 4 or 3 to the steel sheet pile of 6, each 10��15m length under rock drill, rig substructure is carried out pad reinforcing, burying the steel pile casting of appropriate depth in stake underground, steel pile casting and steel sheet pile are welded to connect simultaneously;
S2, creep into the rock of slope, in time rock drill is proposed outside hole, hang in mud tube simultaneously and carry out mud circulation;
S3, geology rig bore multiple aperture on the top of slope rock, and the globality destroying slope rock is to reduce its intensity;
S4, employing digging machine backfill the slabstone exceeding scar 20��30cm in stake, and adopt rock drill to carry out little stroke impact to beat closely knit by backfill slabstone;
S5, backfill slabstone is beaten closely knit after adopt rock drill continue to creep into.
2. close on both wired karst district boring oblique rock treatment processs of stake as claimed in claim 1, it is characterised in that, described rock drill is placed on steel sheet pile.
3. close on both wired karst district boring oblique rock treatment processs of stake as claimed in claim 1, it is characterised in that, the steel pile casting in stake arranges sleeper, described geology rig is placed on sleeper.
4. close on both wired karst district boring oblique rock treatment processs of stake as claimed in claim 1, it is characterised in that, described geology rig bores 2��8 apertures on the top of slope rock.
CN201210374826.5A 2012-09-29 2012-09-29 Close on both wired karst district boring oblique rock treatment processs of stake Active CN102913132B (en)

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Families Citing this family (3)

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Publication number Priority date Publication date Assignee Title
CN103088832B (en) * 2013-02-21 2014-12-03 北京鑫实路桥建设有限公司 Annular type impact method for digging rock at bottom of drilled pile shaft
CN113585254A (en) * 2021-07-28 2021-11-02 安徽水安建设集团股份有限公司 Construction method of cast-in-situ bored pile with upper soft and lower hard inclined boundary stratum
CN113638692B (en) * 2021-08-03 2022-11-25 中国二十冶集团有限公司 Drilling method for inclined rock surface

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CN101761072B (en) * 2008-12-24 2011-11-09 上海市基础工程有限公司 Construction process for bored pile close to flood wall through riprap layer
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FR2852352A1 (en) * 2003-07-10 2004-09-17 Cie Du Sol Drilling machine comprises device for correcting verticality
CN102031775A (en) * 2010-06-12 2011-04-27 中铁十六局集团有限公司 Construction technology of drilled pile in hard oblique rocks by medium hole blasting
CN102041807A (en) * 2010-06-12 2011-05-04 中铁十六局集团有限公司 Dense hole preliminary loosening hard plagioclase construction technique
CN102071682A (en) * 2011-01-20 2011-05-25 中铁二十二局集团有限公司 Method for correcting inclined hole formed by high strength stratum bridge drilling pile in karst growing area

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