CN103147703B - Stake bottom slag-removing method - Google Patents
Stake bottom slag-removing method Download PDFInfo
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- CN103147703B CN103147703B CN201310103963.XA CN201310103963A CN103147703B CN 103147703 B CN103147703 B CN 103147703B CN 201310103963 A CN201310103963 A CN 201310103963A CN 103147703 B CN103147703 B CN 103147703B
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- stake
- cast iron
- pile foundation
- removing method
- bottom slag
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- Placing Or Removing Of Piles Or Sheet Piles, Or Accessories Thereof (AREA)
Abstract
The invention provides a kind of stake bottom slag-removing method, this bottom slag-removing method by not drilled through core bore by the position that the encumbrances such as lattice column stop in pile foundation, two cast iron pipes are put at the bottom of stake, then access air compressor machine and water pump respectively, use the mode of large pressure injection current and air pressure to carry out thorough scarfing cinder at the bottom of stake.Thus, use cast iron pipe pressurization to replace high-pressure rotary jetting apparatus to carry out scarfing cinder, save expending of equipment, make scarfing cinder in the pile foundation having the encumbrances such as lattice column become possibility.
Description
Technical field
The present invention relates to the realm of building construction, particularly relate to a kind of stake bottom slag-removing method.
Background technology
When there is excessive sediment bottom pile foundation, normal adopt high-pressure rotary jetting apparatus to be placed in above pile foundation and join air compressor machine carry out scarfing cinder at the bottom of porous stake.If there is the encumbrance such as lattice column to exist above pile foundation, then because high-pressure rotary jetting apparatus volume is comparatively large and be inconvenient to move, a scarfing cinder at the bottom of making it can not carry out having the pile foundation of the encumbrances such as lattice column.
Summary of the invention
The object of this invention is to provide a kind of stake bottom slag-removing method, to realize pile foundation, especially top has the pile foundation that there is sediment bottom the pile foundation of the encumbrances such as lattice column to carry out scarfing cinder.
For achieving the above object, the invention provides a kind of stake bottom slag-removing method and comprising:
Step one: do not drilled through at least two by the position that the encumbrances such as lattice column stop and get core bore in described pile foundation, described core bore of getting runs through whole pile foundation, and the particular location of boring and quantity are determined according to the encumbrances such as the lattice column above the diameter of pile foundation and pile foundation 7 situation;
Step 2: two cast iron pipes are inserted respectively and gets core bore described in two and put at the bottom of stake;
Step 3: two cast iron pipes are connected with air compressor machine and water pump respectively;
Step 4: start air compressor machine and water pump, and rotate cast iron pipe and spray clear water, promotes the spout of two cast iron pipes, die-cut pile bottom sediment gradually, and the mixed serum containing sediment at the bottom of simultaneously utilizing atmospheric pressure to make returns to ground;
Step 5: after carrying out scarfing cinder operation a period of time, by two cast iron pipe switches, repeats step 4, till the definition of the mixed serum returned out and clear water is as good as.
Further, described in get core bore diameter be less than or equal to 100mm, when there being the encumbrances such as lattice column above pile foundation, will get in region that core bore drills through between pile foundation periphery and encumbrance.
Further, the diameter of described two cast iron pipes inserted at the bottom of stake is 20mm.
Further, the water flow pressure that described water pump sprays is at least 40MPa.
Further, the hoisting velocity of the spout of described cast iron pipe is 5cm/min, and rotary speed during jet water course is 20 turns/min.
Further, the atmospheric pressure that described air compressor machine exports is 0.8MPa.
Compared with prior art, the present invention has following beneficial effect:
Stake bottom slag-removing method provided by the invention by not drilled through core bore by the position that the encumbrances such as lattice column stop in pile foundation, two cast iron pipes are put at the bottom of stake, then access air compressor machine and water pump respectively, use the mode of large pressure injection current and air pressure to carry out thorough scarfing cinder at the bottom of stake.Thus, use cast iron pipe pressurization to replace high-pressure rotary jetting apparatus to carry out scarfing cinder, save expending of equipment, make scarfing cinder in the pile foundation having the encumbrances such as lattice column become possibility.
Accompanying drawing explanation
Below in conjunction with accompanying drawing, the invention will be further described:
The schematic diagram of the stake bottom slag-removing method that Fig. 1 provides for the embodiment of the present invention.
Fig. 2 is the sectional view at A-A place in Fig. 1.
In fig. 1 and 2,
1: get core bore; 2: cast iron pipe; 3: air compressor machine; 4: water pump; 5: pile bottom sediment; 6: pile foundation; 7: encumbrance.
Detailed description of the invention
Below in conjunction with the drawings and specific embodiments, the stake bottom slag-removing method that the present invention proposes is described in further detail.According to the following describes and claims, advantages and features of the invention will be clearer.It should be noted that, accompanying drawing all adopts the form that simplifies very much and all uses non-ratio accurately, only in order to object that is convenient, the aid illustration embodiment of the present invention lucidly.
Core concept of the present invention is, a kind of stake bottom slag-removing method is provided, for pile foundation, especially top has the pile foundation that there is sediment bottom the pile foundation of the encumbrances such as lattice column to carry out scarfing cinder, described stake bottom slag-removing method comprises step one: in described pile foundation, do not drilled through at least two by the position that the encumbrance such as lattice column stops get core bore, described in get core bore and run through whole pile foundation; Step 2: two cast iron pipes are inserted respectively and gets core bore described in two and put at the bottom of stake; Step 3: two cast iron pipes are connected with air compressor machine and water pump respectively; Step 4: start air compressor machine and water pump, and rotate cast iron pipe and spray clear water, promotes the spout of two cast iron pipes, die-cut pile bottom sediment gradually, and the mixed serum containing sediment at the bottom of simultaneously utilizing atmospheric pressure to make returns to ground; Step 5: after carrying out scarfing cinder operation a period of time, by two cast iron pipe switches, repeat step 4, till the definition of the mixed serum returned out and clear water is as good as, stake bottom slag-removing method provided by the invention by not drilled through core bore by the position that the encumbrances such as lattice column stop in pile foundation, two cast iron pipes are put at the bottom of stake, then accesses air compressor machine and water pump respectively, use the mode of large pressure injection current and air pressure to carry out thorough scarfing cinder at the bottom of stake.Thus, use cast iron pipe pressurization to replace high-pressure rotary jetting apparatus to carry out scarfing cinder, save expending of equipment, make scarfing cinder in the pile foundation having the encumbrances such as lattice column become possibility.
Please refer to Fig. 1 and Fig. 2, the schematic diagram of the stake bottom slag-removing method that Fig. 1 provides for the embodiment of the present invention; Fig. 2 is the sectional view at A-A place in Fig. 1.
The embodiment of the present invention provides a kind of stake bottom slag-removing method, and for pile foundation, especially top has the pile foundation that there is sediment bottom the pile foundation of the encumbrances such as lattice column to carry out scarfing cinder.Described stake bottom slag-removing method comprises:
Step one: do not drilled through two by the position that the encumbrances such as lattice column 7 stop and get core bore 1 in described pile foundation 6, described in get core bore 1 and run through whole pile foundation 6;
Step 2: to get described in two cast iron pipes 2 are inserted two respectively in core bore 1 and to put at the bottom of stake;
Step 3: two cast iron pipes 2 are connected with air compressor machine 3 and water pump 4 respectively;
Step 4: start air compressor machine 3 and water pump 4, and rotate cast iron pipe 2 and spray clear water, promotes the spout of two cast iron pipe 2 lower ends, die-cut pile bottom sediment 5 gradually, and the mixed serum containing sediment at the bottom of simultaneously utilizing atmospheric pressure to make returns to ground;
Step 5: after carrying out scarfing cinder operation a period of time, by two cast iron pipe 2 switches, repeats step 4, till the definition of the mixed serum returned out and clear water is as good as.
Further, the diameter of described pile foundation 6 is 1.3m, described in get core bore 1 diameter be less than or equal to 100mm, when there being the encumbrances 7 such as lattice column above pile foundation 6, will get in region that core bore 1 drills through between pile foundation 6 periphery and encumbrance 7; When thing 7 without prejudice, also first can be got core bore 1 and drill through center in pile foundation 6.
Further, the diameter of described two cast iron pipes 2 inserted at the bottom of stake is 20mm.
Further, the water flow pressure that described water pump 4 sprays is at least 40MPa.
Further, the hoisting velocity of the spout of described cast iron pipe 2 is 5cm/min, and rotary speed during jet water course is 20 turns/min.
Further, the atmospheric pressure that described air compressor machine 3 exports is 0.8MPa.
Stake bottom slag-removing method provided by the invention by not drilled through core bore 1 by the position that the encumbrances such as lattice column 7 stop in pile foundation 6, two cast iron pipes 2 are put at the bottom of stake, then access air compressor machine 3 and water pump 4 respectively, use the mode of large pressure injection current and air pressure to carry out thorough scarfing cinder at the bottom of stake.Thus, use cast iron pipe 2 to pressurize and replace high-pressure rotary jetting apparatus to carry out scarfing cinder, save expending of equipment, make scarfing cinder in the pile foundation having the encumbrances such as lattice column become possibility.
Obviously, those skilled in the art can carry out various change and distortion to the present invention and not depart from the spirit and scope of the present invention.Like this, if these amendments of the present invention and distortion belong within the scope of the claims in the present invention and equivalent technologies thereof, then the present invention is also intended to comprise these changes and distortion.
Claims (6)
1. a stake bottom slag-removing method, is characterized in that, have the pile foundation that there is sediment bottom the pile foundation of encumbrance to carry out scarfing cinder for top, described stake bottom slag-removing method comprises:
Step one: do not drilled through at least two by the position that encumbrance stops and get core bore in described pile foundation, described in get core bore and run through whole pile foundation;
Step 2: two cast iron pipes are inserted respectively and gets core bore described in two and put at the bottom of stake;
Step 3: in two cast iron pipes be connected with air compressor machine, another root is connected with water pump;
Step 4: start air compressor machine and water pump, and rotate cast iron pipe and spray clear water, promotes the spout of two cast iron pipes, die-cut pile bottom sediment gradually, and the mixed serum containing sediment at the bottom of simultaneously utilizing atmospheric pressure to make returns to ground;
Step 5: after carrying out scarfing cinder operation a period of time, by two cast iron pipe switches, repeats step 4, till the definition of the mixed serum returned out and clear water is as good as.
2. stake bottom slag-removing method according to claim 1, is characterized in that, described in get core bore diameter be less than or equal to 100mm, when there being encumbrance above pile foundation, will get in region that core bore drills through between pile foundation periphery and encumbrance.
3. stake bottom slag-removing method according to claim 1, is characterized in that, the diameter inserting described two cast iron pipes at the bottom of stake is 20mm.
4. stake bottom slag-removing method according to claim 1, is characterized in that, in step 4, the water flow pressure that described water pump sprays is at least 40MPa.
5. stake bottom slag-removing method according to claim 1, it is characterized in that, in step 4, the hoisting velocity of the spout of described cast iron pipe is 5cm/min, and rotary speed during jet water course is 20 turns/min.
6. stake bottom slag-removing method according to claim 1, is characterized in that, in step 4, the atmospheric pressure that described air compressor machine exports is 0.8MPa.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310103963.XA CN103147703B (en) | 2013-03-27 | 2013-03-27 | Stake bottom slag-removing method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310103963.XA CN103147703B (en) | 2013-03-27 | 2013-03-27 | Stake bottom slag-removing method |
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| Publication Number | Publication Date |
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| CN103147703A CN103147703A (en) | 2013-06-12 |
| CN103147703B true CN103147703B (en) | 2016-03-09 |
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| CN201310103963.XA Active CN103147703B (en) | 2013-03-27 | 2013-03-27 | Stake bottom slag-removing method |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106014301B (en) * | 2016-05-24 | 2018-09-28 | 广西建工集团第三建筑工程有限责任公司 | A kind of bored concrete pile removing slag from pile bottom equipment and the clinker removal method using the equipment |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3130798A (en) * | 1960-01-21 | 1964-04-28 | Schramm Inc | Method for drilling bore holes |
| CN102493435A (en) * | 2011-12-23 | 2012-06-13 | 上海港务工程公司 | Boring and trenching gas lift reverse circulation residue discharging method |
| CN102677655A (en) * | 2012-05-12 | 2012-09-19 | 中国十七冶集团有限公司 | Pressure grouting treatment method for false tip on bottom of large-diameter pile |
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Address after: 200072 Luochuan Middle Road, Shanghai, No. 701, No. Applicant after: Shanghai Mechanized Construction Group Co., Ltd. Address before: 200072 Luochuan Middle Road, Shanghai, No. 701, No. Applicant before: Shanghai Mechanized Construction Co., Ltd. |
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