CN103993597B - A kind of high accuracy vertical pillars stake construction method - Google Patents
A kind of high accuracy vertical pillars stake construction method Download PDFInfo
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- CN103993597B CN103993597B CN201410222301.9A CN201410222301A CN103993597B CN 103993597 B CN103993597 B CN 103993597B CN 201410222301 A CN201410222301 A CN 201410222301A CN 103993597 B CN103993597 B CN 103993597B
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Abstract
The present invention relates to a kind of high accuracy vertical pillars stake construction method, comprise the following steps: check hardened concrete terrace planeness; Location is checked, hand excavation's stake holes position; Pore-forming and clear hole; Steel plate is installed; Steel plate installation Hou Zai Hospice Center cylinder plate; Lay reinforcing cage; Welded limiting angle steel on steel plate; Hoisting steel column; Steel post is installed wire rope and inclinometer; Sinking steel post and top are fixed; Regulate adjuster until pile body is vertical according to inclinometer dynamic value; The clear hole of catheter placement; Pouring concrete.The present invention, by installing the angle steel of upper limit and installing the verticality that root correction fixed point controls stand column pile, substantially increases the precision controlling of stand column pile verticality, thus guarantees the force request of stand column pile, ensure that the safety of structure.
Description
Technical field
The invention belongs to stanchion building technology field, particularly relate to a kind of high accuracy vertical pillars stake construction method.
Background technology
The very limited deep-foundation pit engineering that makes of the variation of building function and space, place gets more and more.The foundation ditch that area is larger needs the setting of trestle to make the application of stand column pile more and more extensive, and on the other hand, the application of Counter procedure technology has also promoted the application of stand column pile in deep-foundation pit engineering.The degree control of stand column pile is the key of architecture quality safety.
Summary of the invention
Technical problem to be solved by this invention is to provide a kind of high accuracy vertical pillars stake construction method, solves the degree control problem in stand column pile construction.
The technical solution adopted for the present invention to solve the technical problems is: provide a kind of high accuracy vertical pillars stake construction method, step is as follows:
A) hardened concrete terrace planeness is checked;
B) location is checked, mobile crane hangs a machine, stake machine drill head aims at stanchion concrete floor yet to be built in employing, check plain, the vertical correction of a frame, stake machine, stake machine drill head drill stake holes after installing and meeting the requirements, holed rear gaging hole instrument detection ruler cun, the degree of depth, vertical after, sediment is carried out to stake holes, changes water, clear hole;
C) steel plate is chosen, and in steel plate center drilling hole, steel plate is installed to stake holes mouth, steel plate is installed to check in pile center's point, steel plate installation process and is coordinated elevation control to make iron plate four limit be in level with level gauge, is fixed on hardened concrete terrace after completing at four corners position dilating screw;
D) bury casing underground, and seal reality at casing surrounding earth;
E) lay reinforcing cage, described reinforcing cage, by the welding of specific length merogenesis, is checked and accepted and is met rear lower cage;
F) uniform 4 postive stop baffles on the steel plate around hole, and two parallel angle steel are set on hole, described angle steel by two mutually perpendicular limits, wherein while be connected with steel plate, another side is vertical with steel plate, described two vertical steel plates of angle steel while be oppositely arranged, distance between described two angle steel and steel post match, the centre position on one side of described two vertical steel plates of angle steel has installing hole, described installing hole is built with bolt, and described bolt hangs over large angle steel for controlling steel post anchor;
G) hoisting steel column, bottom steel post, the installation root correction fixed point of four footing connects 4 wire rope, described 4 wire rope are walked around after reinforcing cage upwards draws stake holes and are connected strainer, described strainer connects the top fixed point of adjuster, and the center of steel post is by the postive stop baffle control centre orientation that iron plate is welded;
H) described steel post installs inclinometer on the sidewall of top, and described inclinometer is positioned at above angle steel;
I) sinking steel post, according to inclinometer dynamic value, by regulating strainer to regulate four direction wire rope to change the verticality of column pile body, until steel post is vertical, after completing, between steel post upper end and steel plate, welded reinforcement diagonal brace is fixed;
J) catheter placement cleaning stake holes;
K) concrete is watered.
Described steel plate two relative edges have saw kerf cross hairs, the control point, orientation that described saw kerf reticle alignment is selected.
Described steel plate indicates the length of pile, size, absolute altitude, model and pile No. parameter.
Described steel post location adopts four orientation angles coordinate point of polar coordinates centre of location point and column.
Described steel post top sidewall posts little batten plate, described little batten plate is threaded connection little angle steel, the another side of described little angle steel is equipped with inclinometer.
Described installing hole internal diameter is 22 millimeters, and the external diameter of described bolt is 20 millimeters.
Described inclinometer is aviation inclinometer.
Beneficial effect
The present invention, by installing the angle steel of upper limit and installing the verticality that root correction fixed point controls stand column pile, substantially increases the precision controlling of stand column pile verticality, thus guarantees the force request of stand column pile, ensure that the safety of structure.
Accompanying drawing explanation
Fig. 1 is the structural representation above steel plate of the present invention.
Fig. 2 is the reinforcing bar diagonal brace view that the present invention installs 25.
Fig. 3 is longitudinal cross-sectional schematic that the present invention installs steel post.
Detailed description of the invention
Below in conjunction with specific embodiment, set forth the present invention further.Should be understood that these embodiments are only not used in for illustration of the present invention to limit the scope of the invention.In addition should be understood that those skilled in the art can make various changes or modifications the present invention, and these equivalent form of values fall within the application's appended claims limited range equally after the content of having read the present invention's instruction.
As shown in Figures 1 to 3, a kind of high accuracy vertical pillars stake construction method, step is as follows:
A kind of high accuracy vertical pillars stake construction method, step is as follows:
A) hardened concrete terrace 11 planeness is checked;
B) location is checked, mobile crane hangs a machine, stake machine drill head aims at stanchion concrete floor 11 yet to be built in employing, check plain, the vertical correction of a frame, stake machine, stake machine drill head drill stake holes after installing and meeting the requirements, holed rear gaging hole instrument detection ruler cun, the degree of depth, vertical after, sediment is carried out to stake holes, changes water, clear hole;
C) steel plate 1 is chosen, and in steel plate 1 center drilling hole 13, steel plate 1 is installed to stake holes mouth, steel plate is installed to check in pile center's point, steel plate installation process and is coordinated elevation control to make iron plate four limit be in level with level gauge, is fixed on hardened concrete terrace 11 after completing at four corners position dilating screw 2;
D) bury casing 12 underground, and seal reality at casing 12 surrounding earth;
E) lay reinforcing cage 17, described reinforcing cage 17, by the welding of specific length merogenesis, is checked and accepted and is met rear lower cage;
F) uniform 4 postive stop baffles 7 on the steel plate 1 around hole 13, and two parallel angle steel 4 are set on hole 13, described angle steel 4 by two mutually perpendicular limits, wherein while be connected with steel plate 1, another side is vertical with steel plate 1, the vertical steel plate 1 of described two angle steel 4 while be oppositely arranged, distance between described two angle steel 4 and steel post 10 match, the centre position on one side of the vertical steel plate 1 of described two angle steel 4 has installing hole 3, described installing hole 3 is built with bolt, and described bolt hangs over large angle steel 4 for controlling steel post 10 anchor;
G) hoisting steel column 10, bottom steel post 10, the installation root correction fixed point 18 of four footing connects 4 wire rope 5, described 4 wire rope 5 are walked around after reinforcing cage 17 upwards draws stake holes and are connected strainer 6, described strainer 6 connects the top fixed point 8 of adjuster, and the center of steel post 10 is by the postive stop baffle 7 control centre orientation that iron plate is welded;
H) described steel post 10 installs inclinometer 15 on the sidewall of top, and described inclinometer 15 is positioned at above angle steel 4;
I) sinking steel post 10, according to inclinometer 15 dynamic value, by regulating strainer 6 to regulate four direction wire rope 5 to change the verticality of column pile body, until steel post 10 is vertical, after completing, between steel post 10 upper end and steel plate 1, welded reinforcement diagonal brace 19 is fixed;
J) catheter placement cleaning stake holes;
K) concrete is watered.
Described steel plate 1 two relative edges have saw kerf cross hairs 16, and selected control point, orientation aimed at by described saw kerf cross hairs 16.
Described steel plate 1 indicates the length of pile, size, absolute altitude, model and pile No. parameter.
Described steel post 10 locates four the orientation angles coordinate point adopting polar coordinates centre of location point and column.
Described steel post 10 top sidewall posts little batten plate 9, described little batten plate 9 is threaded connection little angle steel 14, the another side of described little angle steel 14 is equipped with inclinometer 15.
Described installing hole 3 internal diameter is 22 millimeters, and the external diameter of described bolt is 20 millimeters.
Described inclinometer 15 is aviation inclinometers.
During practical operation, should be noted that the planeness of sclerosis terrace 11 controls; Coordinate levelling elevation control to make steel plate 1 four limit be in level with level gauge in steel plate 1 installation process, to be fixed on the dilating screw 2 of 18 millimeters at the four corners position of steel plate 1 after completing and to harden on terrace 11; It is uniform that postive stop baffle 7 divides equally four direction in steel plate 1 surrounding, and the size according to steel post 10 is welded; Steel post 10 first will divide the length that 4 wire rope 5 need 4 directions good at the lower end buckle of column 10; Use after completing
reinforcing bar diagonal brace 19 be welded between stand column pile 10 and steel plate 1 and reinforce.
Claims (7)
1. a high accuracy vertical pillars stake construction method, step is as follows:
A) hardened concrete terrace (11) planeness is checked;
B) location is checked, employing mobile crane hangs a machine, stake machine drill head aims at stanchion concrete floor (11) yet to be built, check plain, the vertical correction of a frame, stake machine, stake machine drill head drill stake holes after installing and meeting the requirements, holed rear gaging hole instrument detection ruler cun, the degree of depth, vertical after, sediment is carried out to stake holes, changes water, clear hole;
C) steel plate (1) is chosen, and in steel plate (1) center drilling hole (13), steel plate (1) is installed to stake holes mouth, steel plate is installed to check in pile center's point, steel plate installation process and is coordinated elevation control to make steel plate four limit be in level with level gauge, is fixed on hardened concrete terrace (11) after completing at four corners position dilating screw (2);
D) bury casing (12) underground, and seal reality at casing (12) surrounding earth;
E) lay reinforcing cage (17), described reinforcing cage (17), by the welding of specific length merogenesis, is checked and accepted and is met rear lower cage;
F) upper uniform 4 postive stop baffles (7) of the steel plate (1) around hole (13), and two parallel angle steel (4) are set on hole (13), described angle steel (4) is by two mutually perpendicular limits, wherein while be connected with steel plate (1), another side is vertical with steel plate (1), the vertical steel plate (1) of described two angle steel (4) while be oppositely arranged, distance between described two angle steel (4) and steel post (10) match, the centre position on one side of the vertical steel plate (1) of described two angle steel (4) has installing hole (3), described installing hole (3) is built with bolt, described bolt hangs over large angle steel (4) for controlling steel post (10) anchor,
G) hoisting steel column (10), the installation root of four footing in steel post (10) bottom corrects fixed point (18) and connects 4 wire rope (5), described 4 wire rope (5) are walked around after reinforcing cage (17) upwards draws stake holes and are connected strainer (6), described strainer (6) connects the top fixed point (8) of adjuster, and the center of steel post (10) is by the postive stop baffle that steel plate welds (7) control centre orientation;
H) described steel post (10) installs inclinometer (15) on the sidewall of top, and described inclinometer (15) is positioned at angle steel (4) top;
I) sinking steel post (10), according to inclinometer (15) dynamic value, four direction wire rope (5) is regulated to change the verticality of column pile body by regulating strainer (6), until steel post (10) is vertical, after completing, between steel post (10) upper end and steel plate (1), welded reinforcement diagonal brace (19) is fixed;
J) catheter placement cleaning stake holes;
K) concrete is watered.
2. a kind of high accuracy vertical pillars stake construction method according to claim 1, it is characterized in that, described steel plate (1) two relative edge has saw kerf cross hairs (16), and described saw kerf cross hairs (16) aims at selected control point, orientation.
3. a kind of high accuracy vertical pillars stake construction method according to claim 1, is characterized in that, described steel plate (1) indicates the length of pile, size, absolute altitude, model and pile No. parameter.
4. a kind of high accuracy vertical pillars stake construction method according to claim 1, is characterized in that, described steel post (10) location adopts four orientation angles coordinate point of polar coordinates centre of location point and column.
5. a kind of high accuracy vertical pillars stake construction method according to claim 1, it is characterized in that, described steel post (10) top sidewall posts little batten plate (9), described little batten plate (9) is threaded connection one side of little angle steel (14), the another side of described little angle steel (14) is equipped with inclinometer (15).
6. a kind of high accuracy vertical pillars stake construction method according to claim 1, it is characterized in that, described installing hole (3) internal diameter is 22 millimeters, and the external diameter of described bolt is 20 millimeters.
7. a kind of high accuracy vertical pillars stake construction method according to claim 1, it is characterized in that, described inclinometer (15) is aviation inclinometer.
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| CN201410222301.9A CN103993597B (en) | 2014-05-23 | 2014-05-23 | A kind of high accuracy vertical pillars stake construction method |
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| CN201410222301.9A CN103993597B (en) | 2014-05-23 | 2014-05-23 | A kind of high accuracy vertical pillars stake construction method |
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| CN103993597B true CN103993597B (en) | 2015-12-09 |
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Families Citing this family (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104153353B (en) * | 2014-08-22 | 2016-03-30 | 中铁六局集团天津铁路建设有限公司 | A kind of method utilizing laser level determination bored pile absolute altitude |
| CN104532843B (en) * | 2014-12-26 | 2016-08-24 | 中国一冶集团有限公司 | A kind of steel column location straightening method of stand column pile |
| CN105386459A (en) * | 2015-12-17 | 2016-03-09 | 中国水利水电第十四工程局有限公司 | Positioning device and method for large steel structural column |
| CN105839621B (en) * | 2016-03-30 | 2019-03-05 | 上海城建市政工程（集团）有限公司 | A kind of implementation method of abrupt-change cross section and unlike material drilled pile |
| CN106677233A (en) * | 2017-01-17 | 2017-05-17 | 上海建工集团股份有限公司 | Verticality adjustment device and method for vertical steel column |
| CN106759558B (en) * | 2017-01-22 | 2019-04-12 | 上海森信建设集团有限公司 | A kind of control is buried in the earth the construction method of stand column pile direction and verticality |
| CN108708369B (en) * | 2018-05-31 | 2024-01-26 | 中交一公局第一工程有限公司 | Positioning construction method and device for construction net measurement control pile |
| CN108824823B (en) * | 2018-07-26 | 2020-02-21 | 深圳市建工集团股份有限公司 | Construction method for correcting perpendicularity of steel stand column |
| CN112411530A (en) * | 2020-11-23 | 2021-02-26 | 中国建筑第五工程局有限公司 | Construction method for controlling verticality of sea-filling stratum casing secant pile |
| CN113026749A (en) * | 2021-02-07 | 2021-06-25 | 浙江交工集团股份有限公司 | Pile foundation reinforcement cage side-push type controller and construction method |
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