CN104532843A - Method for positioning and straightening steel stand column of stand column pile - Google Patents
Method for positioning and straightening steel stand column of stand column pile Download PDFInfo
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- CN104532843A CN104532843A CN201410823394.0A CN201410823394A CN104532843A CN 104532843 A CN104532843 A CN 104532843A CN 201410823394 A CN201410823394 A CN 201410823394A CN 104532843 A CN104532843 A CN 104532843A
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- steel
- roller bearing
- stand column
- steel post
- post
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D13/00—Accessories for placing or removing piles or bulkheads, e.g. noise attenuating chambers
- E02D13/04—Guide devices; Guide frames
Abstract
The invention relates to a method for positioning and straightening a steel stand column of a stand column pile. The method for positioning and straightening the steel stand column of the stand column pile is characterized by comprising the following steps that (1) a device for positioning and straightening the steel stand column of the stand column pile is prepared, wherein the device for positioning and straightening the steel stand column of the stand column pile comprises two positioning and straightening mechanisms, and each positioning and straightening mechanism comprises a steel wire rope, an annular air bag, a steel pipe clamp, an annular clamp, a first rolling shaft, a second rolling shaft, a third rolling shaft, a fourth rolling shaft, a ratchet wheel and a guide wheel; (2) after a stand column pile hole is formed, a positioning operation platform is installed at the opening of the hole; (3) a manufactured steel reinforcement cage and the manufactured steel stand column are lifted into the stand column pile hole from the operation platform; (4) the upper portion of the steel stand column is adjusted, the lower portion of the steel stand column moves leftwards, rightwards, forwards and backwards on the tensioned steel wire ropes in the four directions through rotation of the ratchet wheels, and then the perpendicularity of the stand column is adjusted, so that the perpendicularity of the stand column is guaranteed finally; (5) concrete is poured and compacted, and then dismantling is conducted. According to the method, operation is convenient, and positioning is reliable, and the adopted device is simple in structure, easy to manufacture and capable of being used repeatedly.
Description
Technical field
The present invention relates to a kind of steel post location straightening method of stand column pile.
Background technology
Along with the continuous expansion of city size, the continuous atrophy of land used, the situations such as the increase of the narrow and cutting depth in construction plant are occurred, conventional suitable way obviously embodies deficiency and problem.In order to solve such problem, China, with reference to external advanced construction experience, adopts Top-down Construction Technique, achieves on the ground and underground structure synchronous construction, shortens the duration, reduce construction costs.Interim vertical supporting system during reverse construction generally adopts steel post to insert the form of the following stand column pile of base plate, steel post is generally the column of angles, steel core concrete column etc., stand column pile can adopt the form such as castinplace pile or steel pipe pile, the vertical load such as superstructure and working load is born in reverse construction, and after construction terminates, as a part for underground structure post after external wrapping concrete as middle support column is another, bear superstructure load, so the location of middle support column and verticality must strictly meet the demands.General provision middle support column misalignment of axe controls in ± 10mm, and absolute altitude controls in ± 10mm, and degree control is within 1/300 ~ 1/600.Therefore, the construction of steel post must take special location and straightening, and at present, the vertical adjustment method of steel post mainly contains air-bag method, mechanical vertical adjustment method and fairlead tube method, achieves certain effect.Above-mentioned three kinds of methods have certain practicality and limitation, air-bag method is corrected by the verticality of air bag to support column putting into hole and is located, vertical adjustment is effective, but by the restriction that stroke is large, vertical adjustment and hole wall can not reach designing requirement apart from large steel post verticality, in addition, because air bag is filled with the annular space between conduit and stake holes, therefore, mud in follow-up concreting is returned out in hole cause certain obstruction and affect construction quality.Machinery vertical adjustment method is economical and practical, but can only be used for the tone pitch of the larger steel post of rigidity.Fairlead tube method tone pitch is easier to, and effect is also better, but because guide thimble is outside steel post, cause the problems such as aperture change is large, rear two methods are all fixing steel pipe post top is not fine from stressing conditions.Therefore, need to invent a kind of tone pitch that can meet steel post and fixing, meanwhile, again can easy to operation, method that operating expenses is low.
Chinese Patent Application No. 201410222301.9, title: a kind of high accuracy vertical pillars stake construction method, this patent is the verticality regulating steel pipe post with the bottom of wire rope tractive steel pipe post, but be only connected in steel post bottom due to wire rope, at the bottom of hole, other are not fixed, therefore, although after steel pipe post adjusted, be still easily moved by other external influences.
Chinese Patent Application No. 201320057678.4, title: one is revolved and dug a steel core concrete column contrary sequence method positioning and plumbing device.The determination of this patent is only in ground secured adjusted, and for the steel pipe post of overlength, because bottom is not fixed, the stationary state of its entirety is not fine, and therefore the scope of application is wideless, the stand column pile that only less for steel pipe, length is shorter, rigidity is larger.
Summary of the invention
The object of the present invention is to provide a kind of steel post location straightening method of stand column pile, solve deep steel pipe post in existing method hole there is no good control method and constrain the verticality problem more effectively regulating steel pipe post, the method is easy to operate, location is reliable, and the structure of the device adopted is simple, easily manufacture, reusable.
For achieving the above object, the technical solution used in the present invention is: a kind of steel post location straightening method of stand column pile, is characterized in that it comprises the steps:
1) the steel post location machine straightening device of stand column pile is prepared: the steel post location machine straightening device of stand column pile comprises 2 groups of location bar straightening mechanisms, and the structure of 2 groups of location bar straightening mechanisms is identical, and mutually perpendicular direction is arranged;
Described location bar straightening mechanism comprises steel wire 2, annular air-pocket 3, steel pipe clip 4, ring-shaped clip 5, first roller bearing 6, second roller bearing 8, the 3rd roller bearing 9, the 4th roller bearing 10, ratchet 11, directive wheel 12, the outside portion of ring-shaped clip 5 is wrapped in annular air-pocket 3, during use, to be enclosed within steel post 1 outer and be positioned at column stake holes 21 for ring-shaped clip 5, steel pipe clip 4 is stuck on steel post 1, and steel pipe clip 4 is between ring-shaped clip 5 and steel post 1; Be positioned on the ring-shaped clip 5 on the left of steel post 1 and be fixed with the first roller bearing frame 7, first roller bearing frame 7 is provided with the first roller bearing 6, be positioned on the steel pipe clip 4 on the left of steel post 1 and be fixed with the second roller bearing frame, second roller bearing frame is provided with the second roller bearing 8, be positioned on the steel pipe clip 4 on the right side of steel post 1 and be fixed with the 3rd roller bearing frame, 3rd roller bearing frame is provided with the 3rd roller bearing 9, and be positioned on the ring-shaped clip 5 on the right side of steel post 1 and be fixed with the 4th roller bearing frame, the 4th roller bearing frame is provided with the 4th roller bearing 10; Ratchet 11, directive wheel 12 are located at the left and right sides of steel post 1 upper end respectively; Steel wire 2 is around on ratchet 11, the left end of steel wire 2 is fixed on the second roller bearing frame after the left surface of the right flank of the second roller bearing 8, the first roller bearing 6, and the right-hand member of steel wire 2 is fixed on the 3rd roller bearing frame after the right flank of the left surface of directive wheel 12, the 3rd roller bearing 9, the 4th roller bearing 10;
2) after column stake holes 21 completes, positioning action platform 22 is installed in aperture, by reinforcing in place for positioning action platform after locating with transit survey;
3) reinforcing cage made, steel post are hung in column stake holes 21 from operating platform respectively;
In steel post 1 decentralization process, in the outside of steel post, annular air-pocket 3, ring-shaped clip 5, steel pipe clip 4 are installed, the steel wire fixed, transfer with steel post, steel post 1 after transferring to design attitude positioning action platform on the ground first fix the top of steel post 1, then make it fully to contact with hole wall to annular air-pocket 3 inflation by tracheae, stressed good soil layer is fixed in the bottom of steel post 1;
4) on steel post 1, inclinometer or vertical reference is laid, the terminal of inclinometer or vertical reference can be connected with computer, by deviational survey data, by artificial or conputer controlled, the top of steel post 1 and bottom are adjusted, the bottom of steel post 1 by the pawl wheel of two groups of location bar straightening mechanisms on ground respectively about the steel wire of tensioning of four direction, the movement of front and back, thus the verticality of adjusting post finally ensures the verticality of column;
5) water and smash concrete Lumen catheter, concrete has some strength (intensity of dismountable annular air-pocket) to remove tracheae and annular air-pocket afterwards, and backfill element soil or sandstone, remove positioning action platform.
innovative point: adopt air bag (annular air-pocket), the ring-shaped clip of band annular to be fixed on the hole wall in certain depth, to be connected with it with steel wire and to carry out straightening and location by the assembly such as steel pipe clip, ratchet, directive wheel (pulley) of fastening steel pipe at steel post four direction.Meanwhile, the positioning action platform on ground adopts general measure to locate and fixes the top of steel post (or claiming steel pipe post), has the steel post of upper and lower two fixed points to reach the requirement meeting design accuracy more reliably.
The invention has the beneficial effects as follows: solving deep steel pipe post in existing method hole does not have good control method and constrain the verticality problem more effectively regulating steel pipe post, the method is easy to operate, location is reliable, the structure of the device adopted is simple, easily manufacture, reusable, cost is low, Be very effective, is beneficial to and applies.
Accompanying drawing explanation
Fig. 1 is the structural representation of the steel post location machine straightening device of stand column pile of the present invention.
Fig. 2 is the enlarged drawing in A portion in Fig. 1.
Fig. 3 is the sectional view along B-B line in Fig. 2.
Fig. 4 is the structural representation of steel pipe clip of the present invention.
Fig. 5 is the top view of steel pipe clip of the present invention.
Fig. 6 is the lateral view of ratchet of the present invention.
Fig. 7 be ratchet of the present invention structural representation.
Fig. 8 is the structural representation of positioning action platform of the present invention.
Fig. 9 is the enlarged drawing in C portion in Fig. 1.
In figure: 1-steel post (i.e. steel pipe), 2-steel wire (high tensile steel wire), 3-annular air-pocket, 4-steel pipe clip, 5-ring-shaped clip, 6-first roller bearing, 7-first roller bearing frame, 8-second roller bearing, 9-the 3rd roller bearing, 10-the 4th roller bearing, 11-ratchet, 12-directive wheel, 13-positioner, 14-sensor, 15-ground upper ground surface, 16-basement ground, absolute altitude at the bottom of 17-steel core concrete column, 18-socket cap peg, 19-seal plate, 20-puts more energy into ring flat-plate, 21-column stake holes, 22-positioning action platform.
Detailed description of the invention
As shown in figs 1-9, a kind of steel post location straightening method of stand column pile, it comprises the steps:
1) the steel post location machine straightening device of stand column pile is prepared: the steel post location machine straightening device of stand column pile comprises 2 groups of location bar straightening mechanisms, the structure of 2 groups of location bar straightening mechanisms is identical, and [first location bar straightening mechanism is arranged in the left and right sides of steel post, and (left side in Fig. 2 is for left, the right is right), second location bar straightening mechanism is arranged in the side, front and back of steel post], and mutually perpendicular direction arranges (as shown in Figure 3);
Described location bar straightening mechanism (first location bar straightening mechanism) comprises steel wire 2, annular air-pocket 3, steel pipe clip 4, ring-shaped clip 5, first roller bearing 6, second roller bearing 8, 3rd roller bearing 9, 4th roller bearing 10, ratchet 11, directive wheel 12, the outside portion of ring-shaped clip 5 is wrapped in (air bag in annular air-pocket 3, ring-shaped clip is annular, ring-shaped clip section is similar to C shape, namely ring-shaped clip 5 is fixed on annular air-pocket 3, can not fall down), during use, ring-shaped clip 5 is enclosed within steel post 1 outer (being called inner side near the side of steel post 1) and (annular air-pocket 3 and ring-shaped clip 5 lean against on the hole wall of column stake holes 21 of certain depth to be positioned at column stake holes 21, the degree of depth is determined according to soil property), steel pipe clip 4 is stuck on steel post 1 and (is namely fixed on steel post), steel pipe clip 4 is between ring-shaped clip 5 and steel post 1, be positioned on the ring-shaped clip 5 on the left of steel post 1 and be fixed with the first roller bearing frame 7, first roller bearing frame 7 is provided with the first roller bearing 6(first roller bearing and can rolls), be positioned on the steel pipe clip 4 on the left of steel post 1 and be fixed with the second roller bearing frame, second roller bearing frame is provided with the second roller bearing 8(second roller bearing and can rolls), be positioned on the steel pipe clip 4 on the right side of steel post 1 and be fixed with the 3rd roller bearing frame, 3rd roller bearing frame is provided with the 3rd roller bearing 9(the 3rd roller bearing and can rolls), be positioned on the ring-shaped clip 5 on the right side of steel post 1 and be fixed with the 4th roller bearing frame, 4th roller bearing frame is provided with the 4th roller bearing 10(the 4th roller bearing and can rolls), ratchet 11, directive wheel 12 are located at the left and right sides of steel post 1 upper end respectively, steel wire 2 is around on ratchet 11, the left end of steel wire 2 is fixed on or on the second roller bearing frame after the left surface of the right flank of the second roller bearing 8, the first roller bearing 6, and the right-hand member of steel wire 2 is fixed on the 3rd roller bearing frame after the right flank of the left surface of directive wheel 12, the 3rd roller bearing 9, the 4th roller bearing 10, left rotation and right rotation ratchet 11, the length of adjustable ratchet 11 left side or the right steel wire, from between adjustment first roller bearing 6 and the second roller bearing 8, the spacing (namely adjust the left and right verticality of steel post 1, second location bar straightening mechanism adjusts the front and back verticality of steel post 1) of the 3rd roller bearing 9 and the 4th roller bearing 10,
2) after column stake holes 21 completes, positioning action platform 22 is installed in aperture, by reinforcing in place for positioning action platform after locating with transit survey;
3) reinforcing cage made, steel post are hung in column stake holes 21 from operating platform respectively (the vertical watch-dog of conputer controlled is set; Survey vertically for vertical control resets by transit, positioning action platform is located, by two vertical direction transit determination operation Platform center positions and direction, steel post hangs in hole through operating platform pilot hole, be that operating platform is checked by transit again, if any deviation, operating platform corrected);
In steel post 1 decentralization process, on four limits, outside the post of steel post, annular air-pocket 3, ring-shaped clip 5, steel pipe clip 4 are installed in 1/2 appropriate location of sentencing the lower degree of depth simultaneously, temporary fixed good steel wire, transfer with steel post, steel post 1 after transferring to design attitude positioning action platform on the ground first fix the top of steel post 1, then make it fully to contact with hole wall to annular air-pocket 3 inflation by tracheae, stressed good soil layer is fixed in the bottom of steel post 1;
4) on steel post 1, inclinometer or vertical reference is laid, the terminal of inclinometer or vertical reference can be connected with computer, by deviational survey data, by artificial or conputer controlled, the top of steel post 1 and bottom are adjusted, the bottom of steel post 1 respectively by the group pawl wheel of two groups of location bar straightening mechanisms on ground about the steel wire of tensioning of four direction, the movement (also can be connected with computer and automatically regulate) of front and back, thus the verticality of adjusting post finally ensures the verticality of column, strive its degree control within 1/600;
5) after disturbing concrete, Lumen catheter speed is wanted slow and gently, must not clash into steel post and correct verticality at any time; Have some strength (intensity of dismountable annular air-pocket) afterwards to remove tracheae and annular gas until castinplace pile after disturbing concrete, backfill element soil or sandstone, remove positioning action platform; More protection, prevents accidental impact from causing distortion.
Claims (1)
1.
a steel post location straightening method for stand column pile, is characterized in that it comprises the steps:
1) the steel post location machine straightening device of stand column pile is prepared: the steel post location machine straightening device of stand column pile comprises 2 groups of location bar straightening mechanisms, and the structure of 2 groups of location bar straightening mechanisms is identical, and mutually perpendicular direction is arranged;
Described location bar straightening mechanism comprises steel wire (2), annular air-pocket (3), steel pipe clip (4), ring-shaped clip (5), first roller bearing (6), second roller bearing (8), 3rd roller bearing (9), 4th roller bearing (10), ratchet (11), directive wheel (12), the outside portion of ring-shaped clip (5) is wrapped in annular air-pocket (3), during use, ring-shaped clip (5) is enclosed within steel post (1) and be positioned at column stake holes (21) outward, steel pipe clip (4) is stuck on steel post (1), steel pipe clip (4) is positioned between ring-shaped clip (5) and steel post (1), be positioned on the ring-shaped clip (5) on the left of steel post (1) and be fixed with the first roller bearing frame (7), first roller bearing frame (7) is provided with the first roller bearing (6), be positioned on the steel pipe clip (4) on the left of steel post (1) and be fixed with the second roller bearing frame, second roller bearing frame is provided with the second roller bearing (8), be positioned on the steel pipe clip (4) on the right side of steel post (1) and be fixed with the 3rd roller bearing frame, 3rd roller bearing frame is provided with the 3rd roller bearing (9), be positioned on the ring-shaped clip (5) on the right side of steel post (1) and be fixed with the 4th roller bearing frame, 4th roller bearing frame is provided with the 4th roller bearing (10), ratchet (11), directive wheel (12) are located at the left and right sides of steel post (1) upper end respectively, steel wire (2) is around on ratchet (11), be fixed on the second roller bearing frame after the right flank of left end through the second roller bearing (8) of steel wire (2), the left surface of the first roller bearing (6), the right-hand member of steel wire (2) is fixed on the 3rd roller bearing frame after the right flank of the left surface of directive wheel (12), the 3rd roller bearing (9), the 4th roller bearing (10),
2) after column stake holes (21) completes, positioning action platform (22) is installed in aperture, by reinforcing in place for positioning action platform after locating with transit survey;
3) reinforcing cage made, steel post are hung in column stake holes (21) from operating platform respectively;
In steel post (1) decentralization process, in the outside of steel post, annular air-pocket (3), ring-shaped clip (5), steel pipe clip (4) are installed, the steel wire fixed, transfer with steel post, after steel post (1) transfers to design attitude, the top of steel post (1) first fixed by positioning action platform on the ground, then make it to contact with hole wall to annular air-pocket (3) inflation by tracheae, stressed good soil layer is fixed in the bottom of steel post (1);
4) on steel post (1), inclinometer or vertical reference is laid, the terminal of inclinometer or vertical reference can be connected with computer, by deviational survey data, by artificial or conputer controlled, the top of steel post (1) and bottom are adjusted, the bottom of steel post (1) by the pawl wheel of two groups of location bar straightening mechanisms on ground about the steel wire of tensioning of four direction, the movement of front and back, thus the verticality of adjusting post finally ensures the verticality of column;
5) water and smash concrete Lumen catheter, concrete removes tracheae and annular air-pocket after having some strength; Backfill element soil or sandstone, remove positioning action platform.
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105714825A (en) * | 2016-04-28 | 2016-06-29 | 山东省建筑科学研究院 | Core pile guide device suitable for cemented soil core inserting combination pile and core pile guide method |
| CN105821887A (en) * | 2016-04-05 | 2016-08-03 | 东通岩土科技（杭州）有限公司 | Installing method for stand column pile constructed in pebble bed |
| CN106759558A (en) * | 2017-01-22 | 2017-05-31 | 上海森信建设集团有限公司 | A kind of construction method for controlling to be buried in the earth stand column pile direction and perpendicularity |
| CN109083211A (en) * | 2018-08-30 | 2018-12-25 | 汪长仁 | A kind of accurate formula automation bored concrete pile righting equipment and its application method |
| CN110016910A (en) * | 2019-04-26 | 2019-07-16 | 重庆交通大学 | Gasbag-type high-precision positioner and construction method can be recycled in a kind of steel pipe post stake |
| CN110080207A (en) * | 2019-04-29 | 2019-08-02 | 山东大学 | A kind of assembled steel tubular pole connector and application method |
| CN110258540A (en) * | 2019-06-25 | 2019-09-20 | 安徽皖宏建筑工程有限公司 | A kind of construction method of cast-in-situ bored pile |
| CN113502806A (en) * | 2021-07-15 | 2021-10-15 | 江苏天力建设集团有限公司 | Concrete-filled steel tube stand column for weathered geological reverse construction method and construction method |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105821887A (en) * | 2016-04-05 | 2016-08-03 | 东通岩土科技（杭州）有限公司 | Installing method for stand column pile constructed in pebble bed |
| CN105714825A (en) * | 2016-04-28 | 2016-06-29 | 山东省建筑科学研究院 | Core pile guide device suitable for cemented soil core inserting combination pile and core pile guide method |
| CN106759558A (en) * | 2017-01-22 | 2017-05-31 | 上海森信建设集团有限公司 | A kind of construction method for controlling to be buried in the earth stand column pile direction and perpendicularity |
| CN109083211A (en) * | 2018-08-30 | 2018-12-25 | 汪长仁 | A kind of accurate formula automation bored concrete pile righting equipment and its application method |
| CN110016910A (en) * | 2019-04-26 | 2019-07-16 | 重庆交通大学 | Gasbag-type high-precision positioner and construction method can be recycled in a kind of steel pipe post stake |
| CN110080207A (en) * | 2019-04-29 | 2019-08-02 | 山东大学 | A kind of assembled steel tubular pole connector and application method |
| CN110258540A (en) * | 2019-06-25 | 2019-09-20 | 安徽皖宏建筑工程有限公司 | A kind of construction method of cast-in-situ bored pile |
| CN110258540B (en) * | 2019-06-25 | 2020-12-22 | 安徽皖宏建筑工程有限公司 | Construction method of cast-in-situ bored pile |
| CN113502806A (en) * | 2021-07-15 | 2021-10-15 | 江苏天力建设集团有限公司 | Concrete-filled steel tube stand column for weathered geological reverse construction method and construction method |
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| CN104532843B (en) | 2016-08-24 |
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