CN106168024A - A drilling construction method is dug in special formation rotation - Google Patents
A drilling construction method is dug in special formation rotation Download PDFInfo
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- CN106168024A CN106168024A CN201510528932.8A CN201510528932A CN106168024A CN 106168024 A CN106168024 A CN 106168024A CN 201510528932 A CN201510528932 A CN 201510528932A CN 106168024 A CN106168024 A CN 106168024A
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Abstract
A drilling construction method is dug in a kind of special formation rotation, use rotary drilling rig for layer of sand, argillic horizon, crushed gravel layer, ragstone, the stratum of mud, it is characterized in that comprising the following steps: a line setting, b buries casing underground, c prepares mud, d rotary drilling rig is in place, and e boring and f pore-forming are checked and accepted and carry out follow-up transferring steel reinforcement cage concrete perfusion routine filling pile construction operation.A drilling construction method is dug in the special formation rotation of the present invention, and to have construction procedure reasonable in design, simple to operate, rotary drilling rig can be realized layer of sand, argillic horizon, crushed gravel layer, ragstone, effectively the creeping into of five kinds of special formations of mud, improve efficiency of construction, can be not required to special formation is carried out special handling, it is not required to configure special installation, save project cost and effectively prevent the quality problems such as collapse hole, it is ensured that the pore-forming advantage of quality.
Description
Technical field
The present invention relates to a kind of stake drilling construction method, specifically, be that a kind of rotary drilling rig digs a drilling construction method in the special formation rotation of layer of sand, argillic horizon, crushed gravel layer, ragstone, mud.
Background technology
Spiral-digging pore bored concrete pile is the most recently newly a kind of pore-forming mode grown up, and owing to its stratum suitability is wide, efficiency of construction is high, and mechanization degree is high and is promoted rapidly.China is vast in territory, and complex formation is various.Spiral digging machine efficiency in general argillic horizon, powder soil horizon, strong-weathered rock rock layers is the highest, and difficulty of construction is relatively low, if but encountering rotation excavation construction when flowing the strong mud of plasticity, layer of sand, the argillic horizon easily skidded, hard rock rock layers and also can run into a lot of difficulty.
The most known spiral-digging pore technique also exists above-mentioned all inconvenience and problem in special formation is constructed.
Summary of the invention
The purpose of the present invention, is propose a kind of reasonable selection and improve equipment, and a drilling construction method is dug in the special formation rotation that effective procedure controls.
For achieving the above object, the technical solution of the present invention is:
A drilling construction method is dug in a kind of special formation rotation, uses rotary drilling rig for layer of sand, argillic horizon, crushed gravel layer, ragstone, the stratum of mud, it is characterised in that to comprise the following steps:
A, line setting, use total powerstation to determine the position of setting-out stake point, and by center, drilling bit of rotary-digging drilling rig align piles position, pile position deviation is less than 10mm；
B, burying casing underground, casing should use clay to bury and be layered symmetrical rammer underground and fill out；
C, prepare mud, the rock-soil layer good to caking property, use dry type or clean water drilling process, it is not necessary to mud off；For loose caving ground, or there is groundwater occurrence, hole wall instability, it is necessary to use static mud protecting wall drilling process, in hole, inject slurry coat method carry out retaining wall；
D, rotary drilling rig are in place；
E, boring, have to check for drilling bit of rotary-digging drilling rig gauge device, bit diameter, bit wear situation, change the drill bit that abrasion exceeds standard in time before pore-forming；The parameter determined by examination pore-forming is constructed, and strengthens the degree control of pore-forming；
F, pore-forming are checked and accepted and carry out subsequent handling, i.e. carry out transferring steel reinforcement cage concrete perfusion routine filling pile construction operation.
The special formation rotation of the present invention is dug a drilling construction method and can also be further achieved by the following technical measures.
Aforesaid method, in wherein said step b, burying casing underground is for Mud Ground, layer of sand, the easy collapse hole stratum of crushed gravel, need to strengthen the stratum that guide effect maybe needs to maintain topsoil stable, depending on the length of casing is according to strata condition, or use full casing.
Aforesaid method, in wherein said step c, prepares mud and answers stratum demand to prepare, should have good rheological property and stability, should be determined by experiment its all technical.
Aforesaid method, in wherein said step d, depending on rotary drilling rig is selected according to creeping into required moment of torsion and plus-pressure, general mud, layer of sand, the rotary drilling rig of the medium and small model of argillic horizon stratum selection, crushed gravel floor, hard rock rock layers select the rotary drilling rig of relatively large number.
Aforesaid method, in wherein said step d, drilling machine drilling rod is selected according to the difficulty of creeping on stratum, and general mud, layer of sand, argillic horizon select frictional resistance drilling rod；Crushed gravel layer, hard rock rock layers select machine lock drilling rod.
Aforesaid method, in wherein said step d, rotary drilling rig drilling bucket is selected according to the difference creeping into stratum soil property, and Mud Ground typically selects soil layer Double bottom to drag for the straight spiral drilling bucket in sand hopper and water hole；Layer of sand typically selects the drilling bucket that sealing is preferable, flowing water gap tooth big, flat is close, is beneficial to pinching sand, improves drilling efficiency；Argillic horizon selects center cone structure tiny, and inside is provided with the open and clear mouth of flowing water sidewall and sets the drilling bucket digging tooth, to reduce because skidding reason is difficult to drilling depth, and beneficially clay injection；Crushed gravel layer selects double-deck embedding rock cylinder to bore, and the size of the lamellar spacing that cylinder bores should be corresponding with the particle diameter of rubble, generally, and the lamellar spacing that cylinder the bores ballast grain sizes equal to 1.5 times；Hard rock rock layers selects embedding rock cylinder to bore or cutter barrel creeps into row and creeps into.
Aforesaid method, in wherein said step e, slows down when creeping into layer of sand as far as possible and puts brill, puies forward brill and rate of penetration, avoid changing and change drill bit, it is ensured that the concordance of drill bit size as far as possible, with the appropriate to the occasion sedimentation tank that arranges, reduce sand content in mud.
Aforesaid method, in wherein said step e, it is not too big to creep into each drilling depth of argillic horizon, the generally half of drilling bucket height；After having crept into, disturbance lower floor clay should be avoided every time as far as possible, prevent from skidding；When there is necking down, suction brill situation, the most repeatedly dally cleaning bottom of hole.
Aforesaid method, in wherein said step e, when creeping into crushed gravel layer, directly with the hosqe bit one-step pore-creating of Quick-pressing, also can first use hosqe bit pore-forming, and barrel diameter is less than aperture 150～400mm, the most again with big drill bit cleaning bottom of hole.
Aforesaid method, in wherein said step e, when creeping into hard rock rock layers, should pay the utmost attention to coring and creep into, and when creeping into Large Diameter Pile Holes, when rig efficiency is not enough or drilling rod moment of torsion exceedes nominal torque, set bores or time bores at twice.
Aforesaid method, in wherein said step e, when creeping into mud, first expands pore-forming, and auxiliary divides into casing, reduces cylinder off normal relatively big, and casing tilt problem, when long casing under need, is joined vibration hammer with crane and carried out；Forbid single drilling depth excessive, it is to avoid to cause suction to bore or burying phenomenon.
Aforesaid method, in wherein said step f, subsequent handling construction rotation routinely is dug bored concrete pile technique and is carried out.
After using technique scheme, the special formation rotation of the present invention is dug a drilling construction method and is had the advantage that
1, construction procedure is reasonable in design, simple to operate；
2, rotary drilling rig can be realized layer of sand, argillic horizon, crushed gravel layer, ragstone, effectively the creeping into of five kinds of special formations of mud, improve efficiency of construction；
3, can be not required to special formation is carried out special handling, be not required to configure special installation, save project cost；
4, effectively prevent the quality problems such as collapse hole, it is ensured that pore-forming quality.
Accompanying drawing explanation
Fig. 1 is that a pore-forming schematic diagram is dug in the special formation rotation of the embodiment of the present invention.
In figure: 1 rotary drilling rig, 2 drilling rods, 3 drilling buckets, 4 casings, 5 borings, 6 special formations.
Detailed description of the invention
Below in conjunction with embodiment and accompanying drawing thereof, the present invention is illustrated further.
Embodiment 1
A pore-forming schematic diagram is dug referring now to the special formation rotation that Fig. 1, Fig. 1 are the embodiment of the present invention.
A drilling construction method is dug in the special formation rotation of the present invention, uses rotary drilling rig for layer of sand, argillic horizon, crushed gravel layer, ragstone, the stratum of mud, it is characterised in that to comprise the following steps:
A, line setting, use total powerstation to determine the position of setting-out stake point, and by center, drilling bit of rotary-digging drilling rig align piles position, pile position deviation is less than 10mm；
B, burying casing underground, casing should use clay to bury and be layered symmetrical rammer underground and fill out；Burying casing underground is for Mud Ground, layer of sand, the easy collapse hole stratum of crushed gravel, need to strengthen the stratum that guide effect maybe needs to maintain topsoil stable, depending on the length of casing is according to strata condition, or use full casing.
C, prepare mud, the rock-soil layer good to caking property, use dry type or clean water drilling process, it is not necessary to mud off；For loose caving ground, or there is groundwater occurrence, hole wall instability, it is necessary to use static mud protecting wall drilling process, in hole, inject slurry coat method carry out retaining wall；Preparing mud answers stratum demand to prepare, and should have good rheological property and stability, should be determined by experiment its all technical.
D, rotary drilling rig are in place, and depending on rotary drilling rig is selected according to creeping into required moment of torsion and plus-pressure, general mud, layer of sand, the rotary drilling rig of the medium and small model of argillic horizon stratum selection, crushed gravel floor, hard rock rock layers select the rotary drilling rig of relatively large number.Drilling machine drilling rod is selected according to the difficulty of creeping on stratum, and general mud, layer of sand, argillic horizon select frictional resistance drilling rod；Crushed gravel layer, hard rock rock layers select machine lock drilling rod.Rotary drilling rig drilling bucket is selected according to the difference creeping into stratum soil property, and Mud Ground typically selects soil layer Double bottom to drag for the straight spiral drilling bucket in sand hopper and water hole；Layer of sand typically selects the drilling bucket that sealing is preferable, flowing water gap tooth big, flat is close, is beneficial to pinching sand, improves drilling efficiency；Argillic horizon selects center cone structure tiny, and inside is provided with the open and clear mouth of flowing water sidewall and sets the drilling bucket digging tooth, to reduce because skidding reason is difficult to drilling depth, and beneficially clay injection；Crushed gravel layer selects double-deck embedding rock cylinder to bore, and the size of the lamellar spacing that cylinder bores should be corresponding with the particle diameter of rubble, generally, and the lamellar spacing that cylinder the bores ballast grain sizes equal to 1.5 times；Hard rock rock layers selects embedding rock cylinder to bore or cutter barrel creeps into row and creeps into.
E, boring, have to check for drilling bit of rotary-digging drilling rig gauge device, bit diameter, bit wear situation, change the drill bit that abrasion exceeds standard in time before pore-forming；The parameter determined by examination pore-forming is constructed, and strengthens the degree control of pore-forming；Slow down when creeping into layer of sand as far as possible and put brill, put forward brill and rate of penetration, avoid changing and change drill bit, it is ensured that the concordance of drill bit size as far as possible, with the appropriate to the occasion sedimentation tank that arranges, reduce sand content in mud.Creep into each drilling depth of argillic horizon not too big, the generally half of drilling bucket height；After having crept into, disturbance lower floor clay should be avoided every time as far as possible, prevent from skidding；When there is necking down, suction brill situation, the most repeatedly dally cleaning bottom of hole.When creeping into crushed gravel layer, also can first use hosqe bit pore-forming directly with the hosqe bit one-step pore-creating of Quick-pressing, barrel diameter is less than aperture 150～400mm, the most again with big drill bit cleaning bottom of hole.When creeping into hard rock rock layers, should pay the utmost attention to coring and creep into, when creeping into Large Diameter Pile Holes, when rig efficiency is not enough or drilling rod moment of torsion exceedes nominal torque, set bores or time bores at twice.When creeping into mud, first expanding pore-forming, auxiliary divides into casing, reduces cylinder off normal relatively big, and casing tilt problem, when long casing under need, is joined vibration hammer with crane and carried out；Forbid single drilling depth excessive, it is to avoid to cause suction to bore or burying phenomenon.
Subsequent handling is checked and accepted and carried out to f, pore-forming, and subsequent handling construction rotation routinely is dug bored concrete pile technique and carried out, i.e. carries out transferring steel reinforcement cage concrete perfusion routine filling pile construction operation.
The present invention has substantive distinguishing features and significant technological progress, and a drilling construction method is dug in the rotation of the special formation of the present invention, can realize rotary drilling rig layer of sand, argillic horizon, crushed gravel layer, ragstone, effectively the creeping into of five kinds of special formations of mud, and efficiency of construction is high；Can be not required to special formation is carried out special handling, be not required to configure special installation, save project cost；And can effectively prevent the quality problems such as collapse hole, it is ensured that pore-forming quality.
Above example is used for illustrative purposes only, rather than limitation of the present invention, person skilled in the relevant technique, without departing from the spirit and scope of the present invention, it is also possible to make various conversion or change.Therefore, the technical scheme of all equivalents also should belong to scope of the invention, should be limited by each claim.
Claims (12)
1. a drilling construction method is dug in special formation rotation, uses rotary drilling rig for layer of sand, argillic horizon, crushed gravel layer, ragstone, the stratum of mud, it is characterised in that to comprise the following steps:
A, line setting, use total powerstation to determine the position of setting-out stake point, and by center, drilling bit of rotary-digging drilling rig align piles position, pile position deviation is less than 10mm；
B, burying casing underground, casing should use clay to bury and be layered symmetrical rammer underground and fill out；
C, prepare mud, the rock-soil layer good to caking property, use dry type or clean water drilling process, it is not necessary to mud off；For loose caving ground, or there is groundwater occurrence, hole wall instability, it is necessary to use static mud protecting wall drilling process, in hole, inject slurry coat method carry out retaining wall；
D, rotary drilling rig are in place；
E, boring, have to check for drilling bit of rotary-digging drilling rig gauge device, bit diameter, bit wear situation, change the drill bit that abrasion exceeds standard in time before pore-forming；The parameter determined by examination pore-forming is constructed, and strengthens the degree control of pore-forming；
F, pore-forming are checked and accepted and carry out subsequent handling, i.e. carry out transferring steel reinforcement cage concrete perfusion routine filling pile construction operation.
2. a drilling construction method is dug in special formation rotation as claimed in claim 1, it is characterized in that, in described step b, burying casing underground is for Mud Ground, layer of sand, the easy collapse hole stratum of crushed gravel, the stratum that guide effect maybe needs to maintain topsoil stable need to be strengthened, depending on the length of casing is according to strata condition, or use full casing.
3. a drilling construction method is dug in special formation rotation as claimed in claim 1, it is characterised in that in described step c, prepares mud and answers stratum demand to prepare, should have good rheological property and stability, should be determined by experiment its all technical.
4. a drilling construction method is dug in special formation rotation as claimed in claim 1, it is characterized in that, in described step d, depending on rotary drilling rig is selected according to creeping into required moment of torsion and plus-pressure, general mud, layer of sand, the rotary drilling rig of the medium and small model of argillic horizon stratum selection, crushed gravel floor, hard rock rock layers select the rotary drilling rig of relatively large number.
5. a drilling construction method is dug in special formation rotation as claimed in claim 1, it is characterised in that in described step d, and drilling machine drilling rod is selected according to the difficulty of creeping on stratum, and general mud, layer of sand, argillic horizon select frictional resistance drilling rod；Crushed gravel layer, hard rock rock layers select machine lock drilling rod.
6. a drilling construction method is dug in special formation rotation as claimed in claim 1, it is characterised in that in described step d, rotary drilling rig drilling bucket is selected according to the difference creeping into stratum soil property, and Mud Ground typically selects soil layer Double bottom to drag for the straight spiral drilling bucket in sand hopper and water hole；Layer of sand typically selects the drilling bucket that sealing is preferable, flowing water gap tooth big, flat is close, is beneficial to pinching sand, improves drilling efficiency；Argillic horizon selects center cone structure tiny, and inside is provided with the open and clear mouth of flowing water sidewall and sets the drilling bucket digging tooth, to reduce because skidding reason is difficult to drilling depth, and beneficially clay injection；Crushed gravel layer selects double-deck embedding rock cylinder to bore, and the size of the lamellar spacing that cylinder bores should be corresponding with the particle diameter of rubble, generally, and the lamellar spacing that cylinder the bores ballast grain sizes equal to 1.5 times；Hard rock rock layers selects embedding rock cylinder to bore or cutter barrel creeps into row and creeps into.
7. a drilling construction method is dug in special formation rotation as claimed in claim 1, it is characterized in that, in described step e, slow down when creeping into layer of sand as far as possible put brill, carry brill and rate of penetration, avoid changing and change drill bit as far as possible, ensure the concordance of drill bit size, with the appropriate to the occasion sedimentation tank that arranges, reduce sand content in mud.
8. a drilling construction method is dug in special formation rotation as claimed in claim 1, it is characterised in that in described step e, and it is not too big to creep into each drilling depth of argillic horizon, the generally half of drilling bucket height；After having crept into, disturbance lower floor clay should be avoided every time as far as possible, prevent from skidding；When there is necking down, suction brill situation, the most repeatedly dally cleaning bottom of hole.
9. a drilling construction method is dug in special formation rotation as claimed in claim 1, it is characterized in that, in described step e, when creeping into crushed gravel layer, directly with the hosqe bit one-step pore-creating of Quick-pressing, also can first use hosqe bit pore-forming, barrel diameter is less than aperture 150～400mm, the most again with big drill bit cleaning bottom of hole.
10. a drilling construction method is dug in special formation rotation as claimed in claim 1, it is characterized in that, in described step e, when creeping into hard rock rock layers, coring should be paid the utmost attention to creep into, when creeping into Large Diameter Pile Holes, when rig efficiency is not enough or drilling rod moment of torsion exceedes nominal torque, set bores or time bores at twice.
A drilling construction method is dug in 11. special formation as claimed in claim 1 rotations, it is characterised in that in described step e, when creeping into mud, first expanding pore-forming, auxiliary divides into casing, reduces cylinder off normal bigger, casing tilt problem, when long casing under need, joins vibration hammer with crane and carries out；Forbid single drilling depth excessive, it is to avoid to cause suction to bore or burying phenomenon.
A drilling construction method is dug in 12. special formation as claimed in claim 1 rotations, it is characterised in that in described step f, and subsequent handling construction rotation routinely is dug bored concrete pile technique and carried out.
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| CN201510255301 | 2015-05-19 | ||
| CN2015102553013 | 2015-05-19 |
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Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106759361A (en) * | 2017-01-11 | 2017-05-31 | 中国化学工程重型机械化公司 | A kind of Spiral digging machine machine locking bar filling construction technology of pore-forming cast-in-place concrete pile |
| CN107339069A (en) * | 2017-06-22 | 2017-11-10 | 中铁十五局集团有限公司 | Drilling method for mechanical drilling pile |
| CN107448137A (en) * | 2017-08-18 | 2017-12-08 | 新地能源工程技术有限公司 | A kind of rig that circles round enters the construction method of rock pore-forming |
| CN107869146A (en) * | 2017-11-23 | 2018-04-03 | 北京地矿工程建设有限责任公司 | A kind of method with clean-out machine Dewatering well |
| CN109057716A (en) * | 2018-09-07 | 2018-12-21 | 福建永强岩土股份有限公司 | One kind having water jetting at high pressure stream pore-forming rotary digging drill bit and its construction method |
| CN109339700A (en) * | 2018-11-08 | 2019-02-15 | 上海市基础工程集团有限公司 | Severely-weathered lower band spiral-digging pore construction method in large diameter pile |
| CN110067508A (en) * | 2019-03-26 | 2019-07-30 | 陕西华山路桥集团有限公司 | A kind of novel spiral-digging pore method for boulder bed |
| CN110185386A (en) * | 2019-06-27 | 2019-08-30 | 四川公路桥梁建设集团有限公司 | Rotary-digging rapid hole forming method for concrete retaining wall of loose accumulation body stratum |
| CN110468833A (en) * | 2019-08-19 | 2019-11-19 | 江苏路航建设工程有限公司 | Drilled grouting piles under water constructing device and its application method for cruiseway |
| CN112064626A (en) * | 2020-09-11 | 2020-12-11 | 保利长大工程有限公司 | Construction method of super-long large-diameter rotary digging pile |
| CN113006706A (en) * | 2020-12-16 | 2021-06-22 | 宁波市政工程建设集团股份有限公司 | Steel-mixed rotary drilling rig operation platform and construction method thereof |
| CN113846977A (en) * | 2021-09-09 | 2021-12-28 | 山西机械化建设集团有限公司 | Dry pore-forming method for backfilled coal gangue stratum with clay interlayer |
| CN113863284A (en) * | 2021-09-24 | 2021-12-31 | 上海城建职业学院 | Construction method of anti-slide pile hole penetrating through quicksand layer |
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| DE19642711A1 (en) * | 1996-10-16 | 1998-04-23 | Klemm Ingrid | Device and method for the controlled manufacture of piles or pile walls in the ground |
| CN1844589A (en) * | 2005-04-08 | 2006-10-11 | 张启君 | Static mud protecting wall type drilling and boring process employing rotary drilling rig |
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Cited By (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106759361A (en) * | 2017-01-11 | 2017-05-31 | 中国化学工程重型机械化公司 | A kind of Spiral digging machine machine locking bar filling construction technology of pore-forming cast-in-place concrete pile |
| CN107339069A (en) * | 2017-06-22 | 2017-11-10 | 中铁十五局集团有限公司 | Drilling method for mechanical drilling pile |
| CN107448137B (en) * | 2017-08-18 | 2023-10-24 | 新地能源工程技术有限公司 | Construction method for rock entering and pore forming of rotary drilling machine |
| CN107448137A (en) * | 2017-08-18 | 2017-12-08 | 新地能源工程技术有限公司 | A kind of rig that circles round enters the construction method of rock pore-forming |
| CN107869146A (en) * | 2017-11-23 | 2018-04-03 | 北京地矿工程建设有限责任公司 | A kind of method with clean-out machine Dewatering well |
| CN109057716A (en) * | 2018-09-07 | 2018-12-21 | 福建永强岩土股份有限公司 | One kind having water jetting at high pressure stream pore-forming rotary digging drill bit and its construction method |
| CN109339700A (en) * | 2018-11-08 | 2019-02-15 | 上海市基础工程集团有限公司 | Severely-weathered lower band spiral-digging pore construction method in large diameter pile |
| CN110067508A (en) * | 2019-03-26 | 2019-07-30 | 陕西华山路桥集团有限公司 | A kind of novel spiral-digging pore method for boulder bed |
| CN110185386A (en) * | 2019-06-27 | 2019-08-30 | 四川公路桥梁建设集团有限公司 | Rotary-digging rapid hole forming method for concrete retaining wall of loose accumulation body stratum |
| CN110468833A (en) * | 2019-08-19 | 2019-11-19 | 江苏路航建设工程有限公司 | Drilled grouting piles under water constructing device and its application method for cruiseway |
| CN110468833B (en) * | 2019-08-19 | 2020-11-27 | 江苏路航建设工程有限公司 | Water cast-in-situ bored pile construction device for inland waterway and use method thereof |
| CN112064626A (en) * | 2020-09-11 | 2020-12-11 | 保利长大工程有限公司 | Construction method of super-long large-diameter rotary digging pile |
| CN113006706A (en) * | 2020-12-16 | 2021-06-22 | 宁波市政工程建设集团股份有限公司 | Steel-mixed rotary drilling rig operation platform and construction method thereof |
| CN113846977A (en) * | 2021-09-09 | 2021-12-28 | 山西机械化建设集团有限公司 | Dry pore-forming method for backfilled coal gangue stratum with clay interlayer |
| CN113863284A (en) * | 2021-09-24 | 2021-12-31 | 上海城建职业学院 | Construction method of anti-slide pile hole penetrating through quicksand layer |
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Application publication date: 20161130 |