CN103967058A - Method for in-hole guiding deviation rectification and steel pipe column straightening based on one-column-one-pile back insertion method - Google Patents
Method for in-hole guiding deviation rectification and steel pipe column straightening based on one-column-one-pile back insertion method Download PDFInfo
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Abstract
The invention relates to a method for in-hole guiding deviation rectification and steel pipe column straightening based on a one-column-one-pile back insertion method. The method comprises the steps that (1) a drilling machine is removed, and a hole opening is cleaned; (2) a 5-meter-long guiding deviation rectification device is placed in a long pile casing; (3) hydraulic oil pipe lines are connected; (4) a back insertion straightening device is placed, centered and leveled; (5) a hydraulic oil pipe of the in-hole guiding deviation rectification device is connected with a control console of the back insertion straightening device; (6) a steel pipe column is inserted into a hole to the position 50 cm higher than a concrete surface in the hole through the back insertion straightening device; (7) a support of the guiding deviation rectification device is unfolded and abuts against the outer wall of the steel pipe column; (8) the perpendicularity of the steel pipe column is adjusted; (9) the guiding deviation rectification device is locked; (10) the steel pipe column is inserted by a designed depth; (11) the perpendicularity of the steel pipe column is checked; (12) the guiding deviation rectification device is removed and hoisted away. According to the method for in-hole guiding deviation rectification and steel pipe column straightening based on the one-column-one-pile back insertion method, the difficulty in perpendicularity adjustment in the one-column-one-pile back insertion construction process is effectively reduced, and work efficiency and precision of steel pipe column straightening are improved.
Description
Technical field
The present invention relates to a kind of guide deviation-correcting device and method in hole of inserting afterwards method based on one, a post, the method that in especially a kind of ground fulcrum of utilization simultaneously and underground hole, guide deviation-correcting device carries out straightening to steel pipe column of a post.
Background technology
Along with novel Urbanization Construction is constantly to depth future development; urban land resource is increasingly in short supply; high level, super highrise building, traffic, commercial facility etc. turn to underground space development more and more; compared with traditional suitable practice excavation method; have and can reduce engineering energy consumption, economize on resources; shorten total duration of engineering, the Top-down Construction Technique that is beneficial to the plurality of advantages such as protection of the environment and site work environment be more reasonable has been widely used in underground deep foundation pit construction.
The key member of the vertical support system in adverse construction method stage during to be that foundation ditch is contrary implement, this stage is born the load such as the deadweight of agent structure beam slab and construction overload of having built, before entirety underground structure forms, load in each framework is all born by one or a few vertical supporting, and the bearing capacity to vertical support system and settlement Control have all proposed higher requirement.
The construction verticality of one one, post requires more high than general support system stand column pile, especially excavation of foundation pit exceedes super dark, the super large foundation ditch of 30m deeply, the verticality of design General Requirements steel post is controlled at 1/600～1/500, how to guarantee the insertion verticality of steel post, reduce must exceed standard to expand by structural column diameter and meet vertical bearing capacity requirement due to what the vertical missing of later stage steel post caused.Conventional air-bag method, under water time-consuming, the effort of vertical adjustment method, ground straightening frame vertical adjustment method, verticality control poor effect and steel post off normal general compliance rate is lower repeatedly, and along with the increase of the excavation of foundation pit degree of depth and steel pipe column length, it is also increasing that steel pipe column inserts the adjusting difficulty of precision, only leans against ground or undergroundly steel pipe column is applied to top power easily steel pipe column generation additional internal force itself or amount of deflection affected to vertical adjustment effect.For solving technical problem that steel pipe column vertical adjustment difficulty is large, precision is low, efficiency of construction is not high of an existing post, a kind of construction technology of inserting afterwards method of a post that is called is risen, and in supporting underground hole, guide deviation-correcting device combined ground vertical adjustment fulcrum can be realized vertical adjustment effect with comparalive ease with it.
Summary of the invention
The present invention be to solve steel pipe column straightening technique arm of force of an existing post short, regulate difficulty, the problem such as work efficiency is low, propose to insert afterwards based on one, a post method of guiding correction and steel pipe column straightening in the hole of method.
A method of inserting afterwards guiding correction and steel pipe column straightening in the hole of method based on one, a post, the steps include:
1) remove rig, cleaning aperture
After lower support pile concrete has watered, remove rig, cleaning aperture, remeasures and checks Zhuan Wei center, and at aperture periphery symmetrical laying steel plate;
2) guide deviation-correcting device is installed in casing
Lay fourth officer guide deviation-correcting device along the long steel casing of 6m inwall symmetry, guide deviation-correcting device becomes to be arranged vertically and fixation;
3) connecting fluid pressuring oil pipe
Every secondary guide deviation-correcting device is connected with supporting oil pipe, and debugs, guarantee normal use; 4) after, insert the installation of method straightening equipment, centering, leveling
Hydraulic pressure straightening equipment is installed, the base of hydraulic pressure straightening equipment and top main frame are lifted at twice, after location, whole hydraulic pressure straightening equipment is carried out to centering, leveling respectively;
5) in hole, the hydraulic oil pipe of guide deviation-correcting device is connected with the console of rear slotting method straightening equipment
The hydraulic oil pipe of guide deviation-correcting device in hole is connected with the console of rear slotting method straightening equipment, and utilizes console to debug guide deviation-correcting device, guarantee normal use;
6) steel pipe column is inserted into the above 50cm of concrete face in hole by rear slotting method straightening equipment
Steel pipe column is transferred to the above 50cm of lower support pile concrete face by the anchor ear up and down of rear slotting method straightening equipment, regain the support of guide deviation-correcting device simultaneously;
7), by guide deviation-correcting device stent open, withstand steel pipe column simultaneously
Steel pipe column is inserted into after the above 50cm of concrete face, and the support of fourth officer guide deviation-correcting device bottom is stretched out, and four cantilever tip contact simultaneously withstands steel pipe column outer wall, and now support does not apply horizontal applied force to steel pipe column;
8) regulate steel pipe column verticality
According to the steel pipe column verticality off normal orientation of the absorption type inclinometer of steel pipe column itself or inclinometer pipe detection, the conversion horizontal-top thrust that interior deviation correcting device need to apply of portalling, go up ordinatedly the anchor ear fulcrum of straightening equipment, stretch out targetedly/retract the support of symmetrical guide deviation-correcting device, realize the adjusting to steel pipe column verticality by the horizontal-top thrust that shaft is applied to certain direction;
9) locked guide deviation-correcting device
After steel pipe column verticality is adjusted to designing requirement precision, the support of guide deviation-correcting device is locked by hydraulic pressure, limit slotting walking path under steel pipe column;
10) steel pipe column is inserted into projected depth
The path that steel pipe column is limited according to ground straightening equipment and guide deviation-correcting device is inserted into projected depth, and the path now limiting meets the required precision of design substantially;
11) check steel pipe column verticality
Check steel pipe column verticality, if there is deviation, coordinate guide deviation-correcting device to finely tune to design accuracy by straightening equipment;
12) guide deviation-correcting device is removed, is hung
Until the initial set of lower support pile concrete and after thering is some strength by hole in guide deviation-correcting device remove, hang.
The invention has the beneficial effects as follows: the invention solves conventional vertical adjustment method effort, length consuming time, precision is not high, work efficiency is lower and the easy technical problem to steel pipe column generation additional internal force itself or amount of deflection.Greatly increase by one, a post by the use of guide deviation-correcting device in this underground hole and inserted afterwards the arm of force length of method straightening equipment in the time regulating steel pipe column, reduced straightening difficulty, improved straightening work efficiency and precision.And insert afterwards method and other vertical adjustment construction methods for one, a post another kind of straightening thinking is provided, by the correction of leading at below ground, for steel pipe column straightening is constructed at the underground fulcrum that provides, on the basis that does not increase device height, extend the length of steel pipe column adjusting section, in reducing the difficulty of steel pipe column adjusting and promoting the precision of steel pipe column straightening, reduce the requirement of the straightening work progress after steel pipe column insertion concrete to steel pipe column rigidity in rear slotting method construction, reduce the internal force of the steel pipe column shearing that straightening is subject in constructing after insertion concrete and steel pipe column inside after surrounding backfill is closely knit, avoid in digging process due to release of internal force produce resilience affect the final precision of steel pipe column.And present device is simple for production, work efficiency promotes significantly, can independent assortment, recycling, and insert afterwards precision and the construction efficiency that method and other posts one pile construction method steel pipe column regulate and produced great effect for promoting one, a post.
Brief description of the drawings
Fig. 1 installs guide deviation-correcting device schematic diagram;
Fig. 2 is that rear slotting method straightening equipment is in place, centering, leveling schematic diagram;
Fig. 3 is spacing by guide deviation-correcting device, and steel pipe column is inserted into the above 50cm schematic diagram of concrete face;
Fig. 4 is inserted into projected depth schematic diagram by the correction of guide deviation-correcting device and guiding by steel pipe column;
Fig. 5 removes schematic diagram by guide deviation-correcting device after steel pipe column fixation;
Fig. 6 is that guide deviation-correcting device hangs schematic diagram.
Detailed description of the invention
Below in conjunction with accompanying drawing and embodiment, the invention will be further described.
As shown in Figures 1 to 6, the method for guiding correction and steel pipe column straightening in hole of inserting afterwards method based on one, a post of the present invention, its construction sequence is:
(1) remove rig, cleaning aperture
After lower support stake has been watered, remove rig, cleaning aperture, and lay steel plate at aperture periphery;
(2) guide deviation-correcting device is installed in casing
At the interior installation fourth officer of the long steel casing 1 of 6m guide deviation-correcting device 2, guide deviation-correcting device 2 is symmetrical, mutual lappet and puts and fixation; As Fig. 1;
(3) connecting fluid pressuring oil pipe
Every secondary guide deviation-correcting device is connected with supporting oil pipe 3, and debugs, guarantee to use;
(4) after, insert the installation of method straightening equipment, centering, leveling
After installing, insert method straightening equipment 4, the base of rear slotting method straightening equipment 4 and top main frame are lifted at twice, after location, whole rear slotting method straightening equipment 4 is carried out to leveling, centering respectively; As Fig. 2;
(5) hydraulic oil pipe of guide deviation-correcting device in hole is connected with the console of rear slotting method straightening equipment
The hydraulic oil pipe of guide deviation-correcting device in hole 23 is connected with the console of rear slotting method straightening equipment 4, and utilizes console to debug guide deviation-correcting device 2, guarantee to use;
(6) steel pipe column is inserted into the above 50cm of concrete face in hole by rear slotting method straightening equipment
Utilize rear slotting method straightening equipment 4 to transfer to the above 50cm of concrete surface steel pipe column 5, guide deviation-correcting device 2 all shrinks during this period, steel pipe column 5 is not carried out to spacing guiding; As Fig. 3;
(7), by guide deviation-correcting device stent open, withstand steel pipe column simultaneously
Steel pipe column 5 is inserted into after the above 50cm of concrete face, by the stent open of fourth officer guide deviation-correcting device 2 bottoms, withstands steel pipe column 5 as far as possible simultaneously, and now support does not apply active force to steel pipe column 5; As Fig. 4;
(8) regulate steel pipe column verticality
According to the steel pipe column 5 verticality off normal orientation of absorption type inclinometer reaction, coordinate straightening equipment 4, the support of extend/retract guide deviation-correcting device 2 targetedly, regulates steel pipe column 5 verticality;
(9) locked guide deviation-correcting device
Steel pipe column 5 verticality are adjusted to after designing requirement precision, and the support of guide deviation-correcting device 2 is locked by hydraulic pressure, limit steel pipe column 5 walking paths;
(10) steel pipe column is inserted into projected depth
The path that steel pipe column 5 is limited according to ground straightening equipment 4 and guide deviation-correcting device 2 is inserted into projected depth, and the path now limiting meets the required precision of design substantially; As Fig. 4;
(11) check steel pipe column verticality
Check steel pipe column 5 verticality, if there is deviation, coordinate guide deviation-correcting device by straightening equipment 4
finely tune to design accuracy;
(12) guide deviation-correcting device is removed, is hung
Until this position constructed, periphery backfill is closely knit, the initial set of lower support pile concrete and there is some strength after by hole in guide deviation-correcting device 2 remove, hang; As Fig. 5.
Claims (1)
1. a method of inserting afterwards guiding correction and steel pipe column straightening in the hole of method based on one, a post, is characterized in that, the steps include:
(1) remove rig, cleaning aperture
After lower support pile concrete has watered, remove rig, cleaning aperture, remeasures and checks Zhuan Wei center, and at aperture periphery symmetrical laying steel plate;
(2) guide deviation-correcting device is installed in casing
Lay fourth officer guide deviation-correcting device along the long steel casing of 6m inwall symmetry, guide deviation-correcting device becomes to be arranged vertically and fixation;
(3) connecting fluid pressuring oil pipe
Every secondary guide deviation-correcting device is connected with supporting oil pipe, and debugs, guarantee normal use;
(4) after, insert the installation of method straightening equipment, centering, leveling
Hydraulic pressure straightening equipment is installed, the base of hydraulic pressure straightening equipment and top main frame are lifted at twice, after location, whole hydraulic pressure straightening equipment is carried out to centering, leveling respectively;
(5) in hole, the hydraulic oil pipe of guide deviation-correcting device is connected with the console of rear slotting method straightening equipment
The hydraulic oil pipe of guide deviation-correcting device in hole is connected with the console of rear slotting method straightening equipment, and utilizes console to debug guide deviation-correcting device, guarantee normal use;
(6) steel pipe column is inserted into the above 50cm of concrete face in hole by rear slotting method straightening equipment
Steel pipe column is transferred to the above 50cm of lower support pile concrete face by the anchor ear up and down of rear slotting method straightening equipment, regain the support of guide deviation-correcting device simultaneously;
(7), by guide deviation-correcting device stent open, withstand steel pipe column simultaneously
Steel pipe column is inserted into after the above 50cm of concrete face, and the support of fourth officer guide deviation-correcting device bottom is stretched out, and four cantilever tip contact simultaneously withstands steel pipe column outer wall, and now support does not apply horizontal applied force to steel pipe column;
(8) regulate steel pipe column verticality
According to the steel pipe column verticality off normal orientation of the absorption type inclinometer of steel pipe column itself or inclinometer pipe detection, the conversion horizontal-top thrust that interior deviation correcting device need to apply of portalling, go up ordinatedly the anchor ear fulcrum of straightening equipment, stretch out targetedly/retract the support of symmetrical guide deviation-correcting device, realize the adjusting to steel pipe column verticality by the horizontal-top thrust that shaft is applied to certain direction;
(9) locked guide deviation-correcting device
After steel pipe column verticality is adjusted to designing requirement precision, the support of guide deviation-correcting device is locked by hydraulic pressure, limit slotting walking path under steel pipe column;
(10) steel pipe column is inserted into projected depth
The path that steel pipe column is limited according to ground straightening equipment and guide deviation-correcting device is inserted into projected depth, and the path now limiting meets the required precision of design substantially;
(11) check steel pipe column verticality
Check steel pipe column verticality, if there is deviation, coordinate guide deviation-correcting device to finely tune to design accuracy by straightening equipment;
(12) guide deviation-correcting device is removed, is hung
Until the initial set of lower support pile concrete and after thering is some strength by hole in guide deviation-correcting device remove, hang.
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| CN201410167377.6A CN103967058A (en) | 2014-04-24 | 2014-04-24 | Method for in-hole guiding deviation rectification and steel pipe column straightening based on one-column-one-pile back insertion method |
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| CN201410167377.6A CN103967058A (en) | 2014-04-24 | 2014-04-24 | Method for in-hole guiding deviation rectification and steel pipe column straightening based on one-column-one-pile back insertion method |
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Cited By (9)
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| CN105926672A (en) * | 2016-05-06 | 2016-09-07 | 中铁十六局集团地铁工程有限公司 | Mined metro station steel pipe column construction method |
| CN105952386A (en) * | 2016-07-18 | 2016-09-21 | 吴江福爱梁纺织有限公司 | Horizontal control ring of ground source heat pump drilling rig base of textile workshop |
| CN107532399A (en) * | 2015-04-22 | 2018-01-02 | Ihciqip英国有限公司 | By the method for stake guiding piece installation stake |
| CN109235892A (en) * | 2018-09-14 | 2019-01-18 | 北京城建十六建筑工程有限责任公司 | A method of error correction is poured for large-scale beam column |
| CN109853581A (en) * | 2019-01-18 | 2019-06-07 | 苏州交通工程集团有限公司 | A kind of mechanism and its application method improving open trench tunnel foundation pit steel lattice column verticality qualification rate |
| CN110777790A (en) * | 2019-05-21 | 2020-02-11 | 中煤江南建设发展有限公司 | High-precision vertical pile positioning and verticality adjusting device |
| CN112814277A (en) * | 2020-12-31 | 2021-05-18 | 开普天（上海）岩土科技有限公司 | Upright post construction method in one-post one-pile construction |
| CN112832458A (en) * | 2020-12-31 | 2021-05-25 | 开普天（上海）岩土科技有限公司 | Upright post construction method in one-post one-pile construction |
| CN113202104A (en) * | 2021-05-06 | 2021-08-03 | 中山大学 | Grouting plugging method for offshore wind turbine pile foundation |
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Cited By (12)
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| CN107532399A (en) * | 2015-04-22 | 2018-01-02 | Ihciqip英国有限公司 | By the method for stake guiding piece installation stake |
| CN107532399B (en) * | 2015-04-22 | 2020-12-01 | Ihciqip英国有限公司 | Method for installing pile by means of pile guide |
| CN105926672A (en) * | 2016-05-06 | 2016-09-07 | 中铁十六局集团地铁工程有限公司 | Mined metro station steel pipe column construction method |
| CN105926672B (en) * | 2016-05-06 | 2018-05-18 | 中铁十六局集团地铁工程有限公司 | A kind of Underground Subway Station steel pipe column construction method |
| CN105952386A (en) * | 2016-07-18 | 2016-09-21 | 吴江福爱梁纺织有限公司 | Horizontal control ring of ground source heat pump drilling rig base of textile workshop |
| CN109235892A (en) * | 2018-09-14 | 2019-01-18 | 北京城建十六建筑工程有限责任公司 | A method of error correction is poured for large-scale beam column |
| CN109853581A (en) * | 2019-01-18 | 2019-06-07 | 苏州交通工程集团有限公司 | A kind of mechanism and its application method improving open trench tunnel foundation pit steel lattice column verticality qualification rate |
| CN110777790A (en) * | 2019-05-21 | 2020-02-11 | 中煤江南建设发展有限公司 | High-precision vertical pile positioning and verticality adjusting device |
| CN112814277A (en) * | 2020-12-31 | 2021-05-18 | 开普天（上海）岩土科技有限公司 | Upright post construction method in one-post one-pile construction |
| CN112832458A (en) * | 2020-12-31 | 2021-05-25 | 开普天（上海）岩土科技有限公司 | Upright post construction method in one-post one-pile construction |
| CN113202104A (en) * | 2021-05-06 | 2021-08-03 | 中山大学 | Grouting plugging method for offshore wind turbine pile foundation |
| CN113202104B (en) * | 2021-05-06 | 2022-06-03 | 中山大学 | Grouting plugging method for offshore wind turbine pile foundation |
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Application publication date: 20140806 |