CN106013096A - Construction method of building foundation - Google Patents
Construction method of building foundation Download PDFInfo
- Publication number
- CN106013096A CN106013096A CN201610508563.0A CN201610508563A CN106013096A CN 106013096 A CN106013096 A CN 106013096A CN 201610508563 A CN201610508563 A CN 201610508563A CN 106013096 A CN106013096 A CN 106013096A
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- steel pipe
- casing
- impact cone
- diameter
- coalition
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- 238000010276 construction Methods 0.000 title claims abstract description 37
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 70
- 239000010959 steel Substances 0.000 claims abstract description 70
- 238000000034 method Methods 0.000 claims description 11
- 239000002689 soil Substances 0.000 claims description 5
- 238000005516 engineering process Methods 0.000 description 4
- 238000005266 casting Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000010412 perfusion Effects 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D5/00—Bulkheads, piles, or other structural elements specially adapted to foundation engineering
- E02D5/22—Piles
- E02D5/34—Concrete or concrete-like piles cast in position ; Apparatus for making same
- E02D5/38—Concrete or concrete-like piles cast in position ; Apparatus for making same making by use of mould-pipes or other moulds
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- Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Mining & Mineral Resources (AREA)
- Paleontology (AREA)
- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Piles And Underground Anchors (AREA)
Abstract
The invention discloses a construction method of a building foundation. The construction method comprises the following steps of firstly, connecting the upper half part of an impact cone and a steel pipe through a screw thread; connecting an annular combination body to the outer surface of a combination part of the steel pipe and the impact cone through a screw thread; placing a combined pile casing device at a pile part, striking the impact cone by virtue of a long and thin heavy hammer of which the bottom end is a flat bottom to form a pile hole; lifting a taking-out rod into the steel pipe, and rotating to take out the impact cone from the inside of the steel pipe; and constructing a pile tip and a pile body through the steel pipe.
Description
Technical field
The present invention relates to the building lot construction method of the construction equipment of the cast-in-place concrete pile that building foundation uses.
Background technology
Along with the fast development of China's building trade, in many industrial buildings and civil buildings work progress, different pile foundation structures is all used to construct.Pile foundation technology strengthens the stability of building structure to a great extent, improves the bearing capacity of building structure, it is possible to be prevented effectively from generation differential settlement.
Cast-in-place concrete pile be building in frequently with base structure, there is the features such as strong adaptability, moderate cost, easy construction, be widely adopted highway and Urban Bridge building in.The construction technology of concrete pipe base and quality are directly connected to the construction quality of whole construction project.Good pile foundation quality can strengthen the safety of building, improve building by service life, meet people's prescription to building further.
Concrete, cast-in-place concrete pile is a kind of directly can to break into hole on the stake position of hole, building site stake, then can in hole casting concrete or pacify and first lay steel reinforcement cage and pour into a mould a kind of pile foundation form of concrete again.Casing pipe hole forming bored concrete pile is a kind of conventional construction technology of cast-in-place concrete pile, it utilizes impact pile driving method or pile driving by vibration method, being sunk in soil by steel thimble with armored concrete shoe or with valve type pile shoe, then concrete perfusion tube drawing form cast-in-place concrete pile.Hammer piling equipment immersed tube is wherein utilized to be referred to as hammering bored concrete pile；The vibration sinking tube utilizing vibrator is referred to as vibrex pile.
In prior art, 201410351906.8 patent of invention propose casing device and the construction method of pore-forming in a kind of building lot, wherein by arranging the diameter taper more than casing under casing, it is welded on casing by strip steel plate, thus pore-forming efficiency can improved by the impact of taper.But, in this inventive technique scheme, owing to having welded casing top taper, need when filling in stake holes from stake holes, take out the casing with taper, then other casings are put into stake holes to be filled with, so on the one hand, increase construction process, thus cause efficiency of construction to reduce, and it also requires increase construction equipment；On the other hand, the taking-up of casing and sink to stake holes be caused damage, thus affect construction quality.
The present invention be directed to the improvement of foregoing invention, it is proposed that the building lot construction method of the construction equipment of a kind of building foundation pore-forming of improvement, it is possible to solve the above-mentioned technical problem of prior art.
Summary of the invention
As one aspect of the present invention, it is provided that a kind of construction foundation working method, comprise the steps: that (1) determines diameter and the degree of depth of described concrete pipe base to be prepared；(2) diameter and the degree of depth according to described concrete pipe base to be prepared determine the diameter of used steel pipe, length and quantity, if the extreme length of the most described diameter steel pipe is less than the described degree of depth, by ring-type coalition by many fastener for connection together so that it is meet length requirement；As casing cylinder；(3) the impact cone corresponding with diameter of steel tube is threadedly connected to steel pipe, forms casing；(4) ring-type coalition is combined with steel pipe it is fixed on steel pipe and described impact cone bound fraction；(5) placing the equipment combined, in the inside of casing, putting into bottom is flat elongated weight；(6) free-falling after weight certain altitude is promoted, the impact cone of impact casing bottom, make the squeezed surrounding soil of impact cone and drive casing to sink；(7) the hammering punch operation of above-mentioned steps (6) is repeated, until arranging the degree of depth；(8) it is inserted into taking out bar to casing, rotates and make it be connected until reaching to take out the prominent bar of bar with the blind threaded of impact cone；Continue to rotate and take out bar, make impact cone be moved up by the female thread of described steel pipe, thus take out described impact cone；(9) construction of an end and pile body is carried out by casing cylinder.
Preferably, if step (2) uses ring-type coalition, the vertical bar of ring-type coalition in described step (4) is made to be on same straight line with the vertical bar of ring-type coalition in step (2).
As another aspect of the present invention, it is provided that a kind of construction foundation working equipment for above-mentioned construction method, including: multiple steel pipes, it has different diameters, forms the stack shell of the construction casing of ground cast-in-place concrete pile；Multiple impact cones, it is corresponding to multiple steel pipes of different-diameter, it is possible to the steel pipe combination of different-diameter；It is characterized in that: described impact cone includes top half and the latter half of cone of cylinder；The inner surface of described steel pipe is provided with female thread；The diameter of the top half of described impact cone is equal to the internal diameter of described steel pipe, and its outer surface is provided with the external screw thread of correspondence, enables the top half of described impact cone to be threaded connection and is fixed on described steel pipe；The maximum gauge of the latter half of described impact cone is equal to the internal diameter of described steel pipe.
Preferably, also including ring-type coalition, it has loop configuration, is internally provided with female thread, and outer surface arranges multiple vertical bar；Described steel pipe and described impact cone bound fraction outer surface arrange corresponding external screw thread such that it is able to be combined by described ring-type coalition fixing with described steel pipe.
Preferably, the top half of described impact cone is provided with blind hole, and described blind hole internal surface arranges female thread, and the direction of the female thread of described blind hole is in opposite direction with the female thread of the inner surface of described steel pipe；Described construction foundation working equipment also includes the equal diameters taking out bar, its diameter and described blind hole, and length arranges the external screw thread corresponding with described blind hole internal surface screw thread higher than the length of described steel pipe, bottom.
Preferably, the screw thread of described steel pipe internal-surface is the female thread of through whole steel pipe.
Preferably, described impact cone can be rotated taking-up by described steel duct by described taking-up bar.
Preferably, after the described taking-up bar bottom thread end, prominent bar is set, makes the diameter diameter more than described blind hole of this position.
Preferably, the different-diameter of described many steel pipes, corresponding to the demand of the bored concrete pile of different-diameter, in the steel pipe of the most same diameter, there is the steel pipe of many different lengths.
Preferably, the bottom of described steel pipe and top, it is provided with external screw thread, the steel pipe of same diameter can be fixed together by the female thread of described ring-type coalition.
As another aspect of the present invention, it is provided that a kind of construction foundation working method, wherein by above-mentioned construction foundation working equipment making concrete pipe base.
Accompanying drawing explanation
Fig. 1 is the structural representation of the construction foundation working equipment of the embodiment of the present invention.
Fig. 2 is impact cone and the matching chart of taking-up bar of the embodiment of the present invention.
Fig. 3 is the flow chart of steps of the construction foundation working method of the embodiment of the present invention.
Detailed description of the invention
In order to be illustrated more clearly that technical scheme, below the present invention is introduced by use embodiment simply, apparently, in describing below is only one embodiment of the present of invention, for those of ordinary skill in the art, on the premise of not paying creative work, it is also possible to obtain other technical scheme according to these embodiments, fall within disclosure of the invention scope.
See Fig. 1 and Fig. 2, the construction foundation working equipment of the embodiment of the present invention, including steel pipe 1, impacts cone 2, ring-type coalition 3 and taking-up bar 4.Including many steel pipes 1, it has different diameters, forms the stack shell of the construction casing of ground cast-in-place concrete pile.Corresponding, also including the impact cone 2 of different-diameter, it is corresponding to multiple steel pipes 1 of different-diameter, it is possible to combine with the steel pipe 1 of different-diameter.
Impact cone 2 includes top half 21 and the latter half 22 of cone of cylinder, and its top half 21 is for being connected with steel pipe 2, and the latter half 22 is for producing impact energy for foundation soil body under weight effect, thus generates stake hole.
The inner surface of steel pipe 1 is provided through the female thread 11 of steel pipe 1, and the outer surface of the top half 21 of impact cone 2 is provided with the external screw thread 211 of correspondence, makes the top half 21 of impact cone 2 to be threaded connection and is fixed on steel pipe 1.The latter half of the latter half 22 of impact cone 2 is cone, and its maximum gauge is equal to the internal diameter of steel pipe 1.
The top half 21 of impact cone 2 is provided with blind hole 212, and blind hole 212 inner surface arranges female thread, and the direction of the female thread of blind hole 212 is in opposite direction with the female thread of the inner surface of steel pipe 1.Construction foundation working equipment also includes the equal diameters taking out bar 4, its diameter and blind hole 212, and length arranges the external screw thread corresponding with blind hole 212 inner surface screw thread higher than the length of steel pipe 1, bottom.Take out bar 4 and the end of its screw thread is provided with prominent bar 41, make the taking-up bar 4 diameter in this position diameter more than blind hole 212.Take out bar 4 to be used for after stake holes pore-forming, risen up in steel pipe 1, rotate thus be threadably secured blind hole 212；After the prominent bar 41 rotating to taking-up bar 4, continue to rotate taking-up bar 4 drive impact cone 2 to be moved upward, thus impact cone 2 is taken out by steel duct, such that it is able to proceed follow-up stake end and the construction of pile body in casing, need not will be by by after the taking-up of casing entirety, sinking to other casings and carry out the construction of an end and pile body.
Ring-type coalition 3, it has loop configuration, is internally provided with female thread, and outer surface arranges multiple vertical bar 31.Vertical bar 31 for forming several vertical hole slots on hole wall when pore-forming.Steel pipe 1 arranges corresponding external screw thread with the outer surface of impact cone 2 bound fraction such that it is able to be combined fixing by ring-type coalition 3 with steel pipe 1.
The different-diameter of many steel pipes 1 in the embodiment of the present invention, corresponding to the demand of the bored concrete pile of different-diameter, it is preferred that in the steel pipe of same diameter, can arrange the steel pipe of many different lengths.Wherein, the bottom of the steel pipe of each different length and top, it is provided with external screw thread, the steel pipe of same diameter can be fixed together by the female thread of ring-type coalition.By above-mentioned setting, it is possible to the steel pipe of different length is combined, thus adapts to the demand of the bored concrete pile of different depth.
Interchangeable, the top half 21 of the impact cone 2 in above-described embodiment can arrange criss-cross fluting, and the bottom taking out bar 4 arranges the cross raised line of correspondence, by coordinating of this fluting and raised line, it is also possible to will impact cone 2 from the taking-up of the inside of steel pipe 1.
See Fig. 3, the construction foundation working method of the embodiment of the present invention, comprise the steps: that (1) determines diameter and the degree of depth of described concrete pipe base to be prepared；(2) diameter and the degree of depth according to concrete pipe base to be prepared determine the diameter of used steel pipe, length and quantity, if the extreme length of the most described diameter steel pipe is less than the described degree of depth, by ring-type coalition by many fastener for connection together so that it is meet length requirement；As casing cylinder；(3) the impact cone corresponding with diameter of steel tube is threadedly connected to steel pipe, forms casing；(4) ring-type coalition is combined with steel pipe it is fixed on steel pipe and described impact cone bound fraction；(5) placing the equipment combined, in the inside of casing, putting into bottom is flat elongated weight；(6) free-falling after weight certain altitude is promoted, the impact cone of impact casing bottom, make the squeezed surrounding soil of impact cone and drive casing to sink；(7) the hammering punch operation of above-mentioned steps (6) is repeated, until arranging the degree of depth；(8) it is inserted into taking out bar to casing, rotates and make it be connected until reaching to take out the prominent bar of bar with the blind threaded of impact cone；Continue to rotate and take out bar, make impact cone be moved up by the female thread of described steel pipe, thus take out described impact cone；(9) construction of an end and pile body is carried out by casing cylinder.
Preferably, if above-mentioned step (2) uses ring-type coalition, the vertical bar of ring-type coalition in described step (4) is made to be on same straight line with the vertical bar of ring-type coalition in step (2).
The foregoing is only presently preferred embodiments of the present invention, be not intended to limit protection scope of the present invention.All any modification, equivalent substitution and improvement etc. made within the spirit and principles in the present invention, are all contained in protection scope of the present invention.
Claims (2)
1. a construction foundation working method, comprises the steps: that (1) determines diameter and the degree of depth of described concrete pipe base to be prepared；(2) diameter and the degree of depth according to described concrete pipe base to be prepared determine the diameter of used steel pipe, length and quantity, if the extreme length of the most described diameter steel pipe is less than the described degree of depth, by ring-type coalition by many fastener for connection together so that it is meet length requirement；As casing cylinder；(3) the impact cone corresponding with diameter of steel tube is threadedly connected to steel pipe, forms casing；(4) ring-type coalition is combined with steel pipe it is fixed on steel pipe and described impact cone bound fraction；(5) placing the equipment combined, in the inside of casing, putting into bottom is flat elongated weight；(6) free-falling after weight certain altitude is promoted, the impact cone of impact casing bottom, make the squeezed surrounding soil of impact cone and drive casing to sink；(7) the hammering punch operation of above-mentioned steps (6) is repeated, until arranging the degree of depth；(8) it is inserted into taking out bar to casing, rotates and make it be connected until reaching to take out the prominent bar of bar with the blind threaded of impact cone；Continue to rotate and take out bar, make impact cone be moved up by the female thread of described steel pipe, thus take out described impact cone；(9) construction of an end and pile body is carried out by casing cylinder.
Building foundation method the most according to claim 1, it is characterised in that: if step (2) uses ring-type coalition, make the vertical bar of ring-type coalition in described step (4) be on same straight line with the vertical bar of ring-type coalition in step (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610508563.0A CN106013096B (en) | 2016-07-02 | 2016-07-02 | A kind of construction foundation working method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610508563.0A CN106013096B (en) | 2016-07-02 | 2016-07-02 | A kind of construction foundation working method |
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| Publication Number | Publication Date |
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| CN106013096A true CN106013096A (en) | 2016-10-12 |
| CN106013096B CN106013096B (en) | 2017-11-10 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201610508563.0A Active CN106013096B (en) | 2016-07-02 | 2016-07-02 | A kind of construction foundation working method |
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| Country | Link |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108265694A (en) * | 2018-02-01 | 2018-07-10 | 温州市腾圣建设有限公司 | A kind of construction method of deep foundation base |
| CN112065816A (en) * | 2020-09-16 | 2020-12-11 | 中机锻压江苏股份有限公司 | Length-variable full-built-in hydraulic ramming hammer |
| CN115031058A (en) * | 2022-06-08 | 2022-09-09 | 中国建筑土木建设有限公司 | Short-distance excavation-free sleeve pre-embedding device and method |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2312968Y (en) * | 1997-10-13 | 1999-04-07 | 李训华 | Quick-acting pile driver |
| CN101245598A (en) * | 2007-02-16 | 2008-08-20 | 夏传清 | Combined construction technique for driven cast-in-place pile and driven pile tip and driven pipe |
| JP2010236323A (en) * | 2009-03-31 | 2010-10-21 | Mitani Sekisan Co Ltd | Foundation pile structure for on-site formation, and construction method of foundation pile |
| CN104060604A (en) * | 2014-05-29 | 2014-09-24 | 国鼎(南通)管桩有限公司 | Construction method for bored pile |
| CN104074186A (en) * | 2014-07-22 | 2014-10-01 | 王继忠 | Pile casing device for hole formation in building foundation and construction method of building foundation |
| CN105178290A (en) * | 2015-08-14 | 2015-12-23 | 太原理工大学 | Steel tube pile with blast expanding device |
-
2016
- 2016-07-02 CN CN201610508563.0A patent/CN106013096B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2312968Y (en) * | 1997-10-13 | 1999-04-07 | 李训华 | Quick-acting pile driver |
| CN101245598A (en) * | 2007-02-16 | 2008-08-20 | 夏传清 | Combined construction technique for driven cast-in-place pile and driven pile tip and driven pipe |
| JP2010236323A (en) * | 2009-03-31 | 2010-10-21 | Mitani Sekisan Co Ltd | Foundation pile structure for on-site formation, and construction method of foundation pile |
| CN104060604A (en) * | 2014-05-29 | 2014-09-24 | 国鼎(南通)管桩有限公司 | Construction method for bored pile |
| CN104074186A (en) * | 2014-07-22 | 2014-10-01 | 王继忠 | Pile casing device for hole formation in building foundation and construction method of building foundation |
| CN105178290A (en) * | 2015-08-14 | 2015-12-23 | 太原理工大学 | Steel tube pile with blast expanding device |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108265694A (en) * | 2018-02-01 | 2018-07-10 | 温州市腾圣建设有限公司 | A kind of construction method of deep foundation base |
| CN112065816A (en) * | 2020-09-16 | 2020-12-11 | 中机锻压江苏股份有限公司 | Length-variable full-built-in hydraulic ramming hammer |
| CN115031058A (en) * | 2022-06-08 | 2022-09-09 | 中国建筑土木建设有限公司 | Short-distance excavation-free sleeve pre-embedding device and method |
| CN115031058B (en) * | 2022-06-08 | 2023-06-09 | 中国建筑土木建设有限公司 | Short-distance excavation-free sleeve embedding device and method |
Also Published As
| Publication number | Publication date |
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| CN106013096B (en) | 2017-11-10 |
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Inventor after: Zhu Xiaodong Inventor after: Cheng Zhang Jianing Inventor after: Zhou Zhifeng Inventor after: Ge Chenhua Inventor after: Cao Yanwu Inventor after: Chen Miaozhi Inventor after: Shi Ganhua Inventor after: Yu Qinan Inventor after: Yin Xiaowei Inventor before: Han Shaopeng |
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Effective date of registration: 20171012 Address after: 226019 Jiangsu Province, Nantong City Chongchuan District No. 27 south south century department room 3301 Applicant after: Nantong the Great Wall Construction Group Co., Ltd. Address before: 054000 Xingtai Province, Gao Qiao Road, No. 79, Hebei Applicant before: Han Shaopeng |
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