CN107386964A - A kind of advanced water proof of the pile foundation classification full stake of steel sleeve, method of supporting drilling and forming hole of growing up - Google Patents
A kind of advanced water proof of the pile foundation classification full stake of steel sleeve, method of supporting drilling and forming hole of growing up Download PDFInfo
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- CN107386964A CN107386964A CN201710693228.7A CN201710693228A CN107386964A CN 107386964 A CN107386964 A CN 107386964A CN 201710693228 A CN201710693228 A CN 201710693228A CN 107386964 A CN107386964 A CN 107386964A
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- steel sleeve
- grade
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- forming hole
- stake
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- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B7/00—Special methods or apparatus for drilling
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B17/00—Drilling rods or pipes; Flexible drill strings; Kellies; Drill collars; Sucker rods; Cables; Casings; Tubings
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- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (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)
- Mechanical Engineering (AREA)
- Earth Drilling (AREA)
- Piles And Underground Anchors (AREA)
Abstract
A kind of advanced water proof of the pile foundation classification full stake of steel sleeve, method of supporting drilling and forming hole of growing up, belong to Bored Pile Foundation drilling construction technical field, can solve the problems, such as Bored Pile Foundation through it is deep alluvial body mollisol and high artesian complex environment drilling it is difficult, comprise the following steps：Drill machine with casing telephone-moving aligns；Rotating down pressing, which is crept into, is connected with I grade of steel sleeve of cutting shoe, and with taking slag equipment to take slag, drilling and forming hole, and rotating down pressing drilling is connected with II grade of steel sleeve of cutting shoe, and with taking slag equipment to take slag, drilling and forming hole is until stake bottom.Present invention process is simple and environmentally-friendly, efficient, easy to operate.
Description
Technical field
The invention belongs to Bored Pile Foundation drilling construction technical field, and in particular to one kind grow up pile foundation classification steel sleeve it is complete
Stake advanced water proof, the method for supporting drilling and forming hole.
Background technology
Complicated geology is changeable at certain earthquake mountain railway Field in Bridge Site Located, and pile foundation collapses through deep lacustrine facies silty clay, earthquake
Product block stone soil, fluvial facies circle gravel soil and layer of sand, preservation head exceed 1.0MPa high artesian, and maximum length of pile is more than 140m.Hold
Pressure water buried depth is big, pressure is high, Source Of Supply enriches, and the measure such as stifled, precipitation can not overcome the problem that high artesian environment drills；Ground
Layer self-stable ability is poor, and under high artesian effect, mud static pressure retaining wall measure can not maintain hole wall stable, can not pore-forming；Pile foundation
Through deep mollisol stratum, common steel pile casting construction depth is limited, and scene can not implement；Drill machine with casing is by equipment dynamic, set
Tubing matter etc. restricts, it is impossible to the rotary drilling of full pile body, can not smooth pore-forming.
The content of the invention
The present invention drills to solve Bored Pile Foundation through deep alluvial body mollisol and high artesian complex environment
A kind of the problem of difficult, there is provided the advanced water proof of the pile foundation classification full stake of steel sleeve, method of supporting drilling and forming hole of growing up.
The present invention adopts the following technical scheme that：
A kind of the grow up advanced water proof of the pile foundation classification full stake of steel sleeve, the method for supporting drilling and forming hole, including drill machine with casing, by some
I grade of steel sleeve that section steel sleeve is connected with dismountable high-strength bolt using bell socket, adopted by some section steel sleeves
With II grade of steel sleeve, cutting shoe being welded to connect and take slag equipment, I grade of steel sleeve and II grade of steel sleeve top respectively with drill machine with casing
Connection, bottom connect cutting shoe respectively, and II grade of steel sleeve is stretched into I grade of steel sleeve；Specifically comprise the following steps：
A kind of the grow up advanced water proof of the pile foundation classification full stake of steel sleeve, the method for supporting drilling and forming hole, comprise the following steps：
The first step, construction site is cleared up, makes its smooth, fixing body external support case, crane lifting drill machine with casing telephone-moving contraposition, sleeve pipe
Rig is positioned over external supported box；
Second step, the length h of I grade of steel sleeve is determined according to the long h of stake1With wall thickness a1, I grade of steel sleeve top and drill machine with casing are connected
Connect, bottom connects cutting shoe with bolt combination by welding, and rotating down pressing creeps into I grade of steel sleeve, in drilling process, using socket joint
I grade of steel sleeve of formula interface and dismountable high-strength bolt spreading, under the advanced water proof of I grade of steel sleeve, retaining wall, taken with slag equipment is taken
Slag, drilling and forming hole；
3rd step, the length h of II grade of steel sleeve is determined according to the long h of stake2With wall thickness a2, after the completion of I grade of steel sleeve is crept into, II grade
Steel sleeve top is connected with drill machine with casing, and bottom connects cutting shoe by welding with bolt combination, and II grade of steel sleeve is stretched into I grade of steel
In sleeve pipe, using II grade of steel sleeve of welding manner spreading, and rotating down pressing creeps into II grade of steel sleeve, II grade of steel sleeve in advance every
Under water, retaining wall, with taking slag equipment to take slag, drilling and forming hole is until stake bottom.
Perpendicularity during drilling and forming hole is controlled by vertical.
During drilling and forming hole, the interior top of the slag of I grade of steel sleeve and II grade of steel sleeve should remain higher than respective sword respectively
Pin.
The length h of the long h and I grade of steel sleeve of stake1With wall thickness a1And the length h of II grade of steel sleeve2With wall thickness a2Between pass
It is to be：During h ＜ 60m, h2For 60m, a2For 21mm；During 60m≤h ＜ 70m, h2For 70m, a2For 24mm；During 70m≤h ＜ 90m, h1
For 20m, a1For 40mm, 50m≤h2＜ 70m, a2For 25mm；During 90m≤h ＜ 110m, h1For 30m, a1For 40mm, 60m≤h2＜
80m, a2For 28mm；During 110m≤h ＜ 120m, h1For 40m, a1For 40mm, 70m≤h2＜ 80m, a2For 30mm；120m≤h ＜
During 130m, h1For 50m, a1For 40mm, 70m≤h2＜ 80m, a2For 30mm.
Beneficial effects of the present invention are as follows：
1. according to the long rationally classification steel sleeve of stake, suitable sleeve pipe grading gaps, set pipe range are selected according to economic and practical principle
The parameters such as degree, casing wall thickness, this method is not restricted substantially by equipment, while effectively reduce engineering cost, improve technology
Scope of application etc..
2. by classifying rationally steel sleeve segmental length, reduce and Large-scale Hoisting equipment is relied on.
3. by guider and vertical control system can simply, conveniently, be precisely controlled steel sleeve rotating down pressing drilling and hang down
Straight precision, it is easy to operate, flexible.
4. suitable for being unable to effective precipitation directly in deep alluvial body and the drilling of high artesian environment, it is ensured that complex environment
Grow up drilled pile construction quality；It is not required to improve equipment dynamic, steel bushing thickness of pipe wall can be reduced, reduce engineering cost, technique is simple, ring
Protect, efficient, easy to operate, considerable benefit.
Brief description of the drawings
Fig. 1 is that drill machine with casing telephone-moving of the present invention aligns schematic diagram；
Fig. 2 is I grade of steel sleeve drilling schematic diagram of the present invention；
Fig. 3 is II grade of steel sleeve of decentralization and II grade of steel sleeve drill drawing in I grade of steel sleeve of the present invention；
Wherein：1- drill machine with casing；2- cranes；3- ground levels；The external supported boxs of 4-；I grade of steel sleeve of 5-；6- bell sockets；7-
High-strength bolt；8- takes slag equipment；II grade of steel sleeve of 9-；The top of the slag in 10-；11- cutting shoes.
Embodiment
With reference to accompanying drawing, the present invention will be further described.
A kind of the grow up advanced water proof of the pile foundation classification full stake of steel sleeve, the method for supporting drilling and forming hole, including drill machine with casing 1,
I grade of steel sleeve 5 being connected by some section steel sleeves using bell socket 6 and dismountable high-strength bolt 7, by some sections
Steel sleeve uses II grade of steel sleeve 9 being welded to connect, cutting shoe 11 and takes slag equipment 8, I grade of steel sleeve 5 and II grade of top of steel sleeve 9
It is connected respectively with drill machine with casing 1, bottom connects cutting shoe 11 respectively, and II grade of steel sleeve 9 is stretched into I grade of steel sleeve 5.
In work progress, I grade of steel sleeve 5 can reuse, and internode passes through bell socket and detachable high-strength spiral shell
Tether and connect, convenient scene assembly and disassembly, improve I grade of recycling rate of waterused of steel sleeve 5, II grade of steel sleeve 9 is along the elongated setting of pile body, as stake
Body structure is carried jointly, and internode is not reused, is welded to connect using internode using being welded to connect, can improve strength of joint and
Ensure construction quality.The method being classified using sleeve pipe can reduce the frictional resistance of sleeve pipe.
Specifically comprise the following steps：
The first step, construction site is cleared up, makes its smooth, fixing body external support case 4, the telephone-moving of 2 emepalcement casing rig of crane 1 contraposition,
Drill machine with casing 1 is positioned on external supported box 4；
Second step, I grade of top of steel sleeve 5 are connected with drill machine with casing 1, and bottom connects cutting shoe 11 with bolt combination by welding, are revolved
Turn to push I grade of steel sleeve 5 of drilling, in drilling process, using bell socket 6 and dismountable high-strength bolt 7 spreading, I grade of steel
Sleeve pipe 5, under I grade of 5 advanced water proof of steel sleeve, retaining wall, slag, drilling and forming hole are taken with slag equipment 8 is taken；
3rd step, after the completion of I grade of steel sleeve 5 is crept into, II grade of top of steel sleeve 9 is connected with drill machine with casing 1, bottom by welding with
Bolt combination connects cutting shoe 11, and II grade of steel sleeve 9 is stretched into I grade of steel sleeve 5, using II grade of steel sleeve 9 of welding manner spreading,
And rotating down pressing creeps into II grade of steel sleeve 9, under II grade of 9 advanced water proof of steel sleeve, retaining wall, with taking slag equipment 8 to take slag, creeps into
Hole is until stake bottom.
Perpendicularity during drilling and forming hole is controlled by vertical.
During drilling and forming hole, the interior top of the slag 10 of I grade of steel sleeve 5 and II grade of steel sleeve 9 should remain higher than each respectively
From cutting shoe 11.Need to combine geology artesian pressure size and stratum takes slag drilling depth to determine that steel sleeve bottom cutting shoe 11 is deep in advance
Degree, to suppress stake bottom artesian water and protection steel sleeve bottom cutting shoe 11.
, be according to the long classification length for selecting I, II suitable two-stage steel sleeve of stake, steel bushing thickness of pipe wall in drilling and forming hole
And shell clearance, while it is long according to applicable principle increase steel sleeve classification quantity, steel sleeve gradation in units of saving to combine stake
Stratum is pierced prior to pile foundation boring, then completes bored pile by several times in steel sleeve；The length of steel sleeve is only to determine single
Merogenesis length, section by section spreading.Determine that the top of the slag is higher than the height of steel sleeve bottom cutting shoe in the steel sleeve of stake bottom according to artesian water situation.
Embodiment, construction method of the present invention is used in four line bridges of peace station into blue railway Co., Ltd, has been completed
Main body pile foundation engineering, specific implementation situation are as shown in the table：
Claims (4)
- A kind of 1. advanced water proof of the pile foundation classification full stake of steel sleeve, method of supporting drilling and forming hole of growing up, it is characterised in that：Including set Pipe rig（1）, by some section steel sleeves use bell socket（6）With dismountable high-strength bolt（7）I grade of steel bushing of connection Pipe（5）, by some section steel sleeves using II grade of steel sleeve being welded to connect（9）, cutting shoe（11）With take slag equipment（8）, I grade of steel Sleeve pipe（5）With II grade of steel sleeve（9）Top respectively with drill machine with casing（1）Connection, bottom connects cutting shoe respectively（11）, II grade of steel bushing Pipe（9）Stretch into I grade of steel sleeve（5）It is interior；Specifically comprise the following steps：The first step, construction site is cleared up, makes its smooth, fixing body external support case（4）, crane（2）Emepalcement casing rig（1）Telephone-moving Contraposition, drill machine with casing（1）It is positioned over external supported box（4）On；Second step, I grade of steel sleeve is determined according to the long h of stake（5）Length h1With wall thickness a1, by I grade of steel sleeve（5）Top and sleeve pipe Rig（1）Connection, bottom connect cutting shoe by welding with bolt combination（11）, rotating down pressing I grade of steel sleeve of drilling（5）, boring During entering, using bell socket（6）With dismountable high-strength bolt（7）I grade of steel sleeve of spreading（5）, in I grade of steel sleeve （5）Under advanced water proof, retaining wall, with taking slag equipment（8）Take slag, drilling and forming hole；3rd step, I grade of steel sleeve（5）After the completion of drilling, II grade of steel sleeve is determined according to the long h of stake（9）Length h2With wall thickness a2, By II grade of steel sleeve（9）Top and drill machine with casing（1）Connection, bottom connect cutting shoe by welding with bolt combination（11）, by II Level steel sleeve（9）Stretch into I grade of steel sleeve（5）It is interior, using II grade of steel sleeve of welding manner spreading（9）, and rotating down pressing drilling II Level steel sleeve（9）, in II grade of steel sleeve（9）Under advanced water proof, retaining wall, with taking slag equipment（8）Slag is taken, drilling and forming hole is until stake Bottom.
- A kind of 2. advanced water proof of the pile foundation classification full stake of steel sleeve, side of supporting drilling and forming hole of growing up according to claim 1 Method, it is characterised in that：Perpendicularity during drilling and forming hole is controlled by vertical.
- A kind of 3. advanced water proof of the pile foundation classification full stake of steel sleeve, side of supporting drilling and forming hole of growing up according to claim 1 Method, it is characterised in that：During drilling and forming hole, I grade of steel sleeve（5）With II grade of steel sleeve（9）The interior top of the slag（10）It should begin respectively Respective cutting shoe is kept above eventually（11）.
- A kind of 4. advanced water proof of the pile foundation classification full stake of steel sleeve, side of supporting drilling and forming hole of growing up according to claim 1 Method, it is characterised in that：The long h and I grade of steel sleeve of stake（5）Length h1With wall thickness a1And II grade of steel sleeve（9）Length h2And wall Thick a2Between relation be：During h ＜ 60m, h2For 60m, a2For 21mm；During 60m≤h ＜ 70m, h2For 70m, a2For 24mm；70m≤ During h ＜ 90m, h1For 20m, a1For 40mm, 50m≤h2＜ 70m, a2For 25mm；During 90m≤h ＜ 110m, h1For 30m, a1For 40mm, 60m≤h2＜ 80m, a2For 28mm；During 110m≤h ＜ 120m, h1For 40m, a1For 40mm, 70m≤h2＜ 80m, a2For 30mm；During 120m≤h ＜ 130m, h1For 50m, a1For 40mm, 70m≤h2＜ 80m, a2For 30mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710693228.7A CN107386964A (en) | 2017-08-14 | 2017-08-14 | A kind of advanced water proof of the pile foundation classification full stake of steel sleeve, method of supporting drilling and forming hole of growing up |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710693228.7A CN107386964A (en) | 2017-08-14 | 2017-08-14 | A kind of advanced water proof of the pile foundation classification full stake of steel sleeve, method of supporting drilling and forming hole of growing up |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107386964A true CN107386964A (en) | 2017-11-24 |
Family
ID=60355958
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710693228.7A Pending CN107386964A (en) | 2017-08-14 | 2017-08-14 | A kind of advanced water proof of the pile foundation classification full stake of steel sleeve, method of supporting drilling and forming hole of growing up |
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| Country | Link |
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| CN (1) | CN107386964A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09105289A (en) * | 1995-10-12 | 1997-04-22 | Sumitomo Electric Ind Ltd | Drilling blade for all casing construction method |
| CN103603342A (en) * | 2013-11-01 | 2014-02-26 | 中冶天工上海十三冶建设有限公司 | Construction method of ultra-long bored concrete pile with large-diameter casing combination |
| CN203846485U (en) * | 2014-05-28 | 2014-09-24 | 宏润建设集团股份有限公司 | Long pile percussion drill hole forming construction device |
| CN204151788U (en) * | 2014-09-10 | 2015-02-11 | 浙江绩丰岩土技术股份有限公司 | A kind of portable steel bushing pile tube implanter |
| CN204370414U (en) * | 2014-12-22 | 2015-06-03 | 中铁十九局集团有限公司 | A kind of steel pile casting for cast-in-place concrete pile boring and a kind of drilling equipment |
-
2017
- 2017-08-14 CN CN201710693228.7A patent/CN107386964A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09105289A (en) * | 1995-10-12 | 1997-04-22 | Sumitomo Electric Ind Ltd | Drilling blade for all casing construction method |
| CN103603342A (en) * | 2013-11-01 | 2014-02-26 | 中冶天工上海十三冶建设有限公司 | Construction method of ultra-long bored concrete pile with large-diameter casing combination |
| CN203846485U (en) * | 2014-05-28 | 2014-09-24 | 宏润建设集团股份有限公司 | Long pile percussion drill hole forming construction device |
| CN204151788U (en) * | 2014-09-10 | 2015-02-11 | 浙江绩丰岩土技术股份有限公司 | A kind of portable steel bushing pile tube implanter |
| CN204370414U (en) * | 2014-12-22 | 2015-06-03 | 中铁十九局集团有限公司 | A kind of steel pile casting for cast-in-place concrete pile boring and a kind of drilling equipment |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| TA01 | Transfer of patent application right | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20180801 Address after: 030001 Yingze Avenue, Taiyuan, Shanxi 269 Applicant after: China Railway Third Engineering Co., Ltd. Applicant after: Three bridge and Tunnel Engineering Co. Ltd. group Applicant after: Chenglan railway limited liability company Address before: 030001 Yingze Avenue, Taiyuan, Shanxi 269 Applicant before: China Railway Third Engineering Co., Ltd. Applicant before: Three bridge and Tunnel Engineering Co. Ltd. group |
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| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20171124 |