CN103061454A - Locating method of installing concrete filled steel tubular column in underground deep hole - Google Patents
Locating method of installing concrete filled steel tubular column in underground deep hole Download PDFInfo
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- CN103061454A CN103061454A CN2012105396114A CN201210539611A CN103061454A CN 103061454 A CN103061454 A CN 103061454A CN 2012105396114 A CN2012105396114 A CN 2012105396114A CN 201210539611 A CN201210539611 A CN 201210539611A CN 103061454 A CN103061454 A CN 103061454A
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Abstract
The invention provides a locating method of installing a concrete filled steel tubular column in an underground deep hole. The locating method includes the following steps: 1) using a manual hole digging pile as an installation work space before installing the concrete filled steel tubular column, and digging the manual hole digging pile from the original ground to a bottom elevation of a base uplift pile of the concrete filled steel tubular column; 2) hoisting a base pile (an uplift pile steel reinforcement cage) of the concrete filled steel tubular column after construction of the manual hole digging pile is finished; 3) fixing the uplift pile steel reinforcement cage, and installing a locator for locating; 4) rechecking an elevation and the central position of the locator; 5) pouring uplift pile concrete after the position and the elevation of the locator are checked to be correct; 6) installing a steel tube of the concrete filled steel tubular column after concrete strength meets a design requirement; 7) checking whether installing of the steel tube meets a requirement or not, and if yes, pouring concrete of the interior of the steel tube; and 8) inserting a top steel reinforcement cage into the steel tube to serve as a top beam anchor steel bar after the pouring of the concrete is finished. The construction method is simple and strong in operability.
Description
(1) technical field
The present invention relates to a kind of job practices of steel core concrete column, specifically the installation and locating method of a kind of steel core concrete column in the ground iron covering digs the underground deep hole in station.
(2) background technology
Steel core concrete column refers to after penstock installation is in place, builds the high strength self-compacting concrete in inside as the permanent support post of agent structure.Great majority are applied to the urban skyscraper structure.Conventional construction method is: steel core concrete column is above space mounting on ground, adjust steel pipe position and height by crane, utilize electronic theodolite and level gauge measurement and positioning, because the ground construction place is open, can make its accurate location by adjusting the steel pipe position.Therefore, when installed on ground, the location and installation of steel pipe was easy to operate, and the position is easily adjusted.And for installing concrete filled steel tube column structure in the underground deep hole, owing to being subject to the impact of construction plant and construction environment, can't utilize electronic theodolite and level gauge accurately to locate, thereby installation is still rare in underground deep hole, and especially steel pipe is located the difficult point place that precision problem is construction always in underground deep hole.In addition, limited space is adjusted in steel pipe position in deep hole, does not have construction operation personnel operation space, so only realize that by adjusting steel pipe accurately the location is difficult to realize.
(3) summary of the invention
Technical assignment of the present invention is for the deficiencies in the prior art, and the installation and locating method of a kind of steel core concrete column in underground deep hole is provided.The method referred to before penstock installation, reached designing requirement for guaranteeing the penstock installation precision, installed in advance locator on the foundation pile surface, and the position of locator and absolute altitude precision and steel pipe are in full accord, reach requirement to accomplish the penstock installation precision.
The technical solution adopted for the present invention to solve the technical problems is:
The installation and locating method of a kind of steel core concrete column in underground deep hole, the method is carried out according to following steps:
1) steel core concrete column utilizes hand excavated pile as the installation work space before installation, and hand excavated pile digs to steel core concrete column foundation anti-pulling stake bottom surface absolute altitude from original ground;
2) after manual digging pile construction is finished, foundation pile---the uplift pile reinforcing cage of lifting steel core concrete column;
3) fixing uplift pile reinforcing cage, locator is installed the location;
4) check locator absolute altitude and center;
5) locator position and absolute altitude check errorless after, build the uplift pile concrete;
6) steel pipe of installing concrete filled steel tube column after concrete strength reaches designing requirement;
7) check the penstock installation after-pouring steel duct concrete that meets the requirements;
8) concreting complete after, insert in the steel pipe with being about to the top rebars cage, as with the back timber anchor bar.
Described locator comprises a positioning base and the positioning supports more than three that is installed on the positioning base, described positioning supports is up-narrow and down-wide shape, and the outermost of the junction of all positioning supports and positioning base is positioned on the same circular arc, and the diameter of this circular arc is identical with the internal diameter of steel pipe.
The installed surface of described positioning base is circle, annular, ellipse, rectangle or square.
The quantity of described positioning supports is 4, is right-angled intersection and arranges.
Described locator absolute altitude and center are checked and are adopted level gauge and laser plummet.
The operating principle of described locator:
Processing quality and volume are far smaller than the locator of steel pipe, before penstock installation, locator accurately are installed on the foundation pile surface, and make its anchoring firm.Then the lifting steel pipes edge is placed on the locator, realizes like this purpose that steel pipe is accurately installed.
The installation and locating method of a kind of steel core concrete column of the present invention in underground deep hole compared with prior art, the beneficial effect that produces is:
Job practices of the present invention is simple, and is workable, utilizes job practices of the present invention, so that the installation accuracy of steel core concrete column and installation quality are guaranteed, shortened the engineering time simultaneously, reduced work difficulty, improve operating efficiency, saved construction cost.
(4) description of drawings
Accompanying drawing 1 is excavated to the structural representation of design elevation for hand excavated pile of the present invention;
Accompanying drawing 2 is the structural representation of the present invention's lifting uplift pile reinforcing cage in the hand excavated pile;
Accompanying drawing 3 fixes and positions device mounting structure schematic diagram for uplift pile reinforcing cage of the present invention;
Accompanying drawing 4 is the structural representation that check at locator absolute altitude of the present invention and center;
Accompanying drawing 5 is uplift pile concrete pouring structure schematic diagram of the present invention;
Accompanying drawing 6 is the main TV structure schematic diagram of locator of the present invention;
Accompanying drawing 7 is the plan structure schematic diagram of Fig. 6.
Among the figure, 1, hand excavated pile, 2, man-made digging pile mould-pipe, 3, stake end absolute altitude, 4, ground level, 5, bearing bar, 6, the fixing reinforcing bar of reinforcing cage, 7, the fixing reinforcing bar of locator, 8, crab-bolt, 9, uplift pile concreting position, 10, concrete discharging conduit, 11, the uplift pile reinforcing cage, 12, locator, 12-1, positioning base, 12-2, positioning supports.
(5) specific embodiment
Qingdao City's subway first stage of the project (No. 3 lines) May Fourth Square station is positioned at Hong Kong Zhong Lu and intersection, Shandong road, arranges along Hong Kong Zhong Lu.The site is positioned at Qingdao City's economy and political center, and the position is special, and Adjacent Buildings is intensive, and the underground utilities kind is many, crisscross.
This station is reinforced concrete frame structure, adopts lid to dig half contrary way construction.According to the construction characteristics, before main structure construction, needing will be as the Construction of Steel Pipe Concrete Column installation of permanent support post, the effect that recovers the upper back load to support the structure roof that performs first and road.
Explain below below in conjunction with accompanying drawing the installation and locating method of a kind of steel core concrete column of the present invention in underground deep hole being done.
As shown in Figure 1, steel core concrete column is before installation, utilize hand excavated pile 1 as the installation work space, hand excavated pile 1 digs to steel core concrete column foundation anti-pulling stake bottom surface absolute altitude (stake end absolute altitude 3) from original ground (ground level 4), is provided with man-made digging pile mould-pipe 2 at the inwall of hand excavated pile 1.
As shown in Figure 2, after hand excavated pile 1 and man-made digging pile mould-pipe 2 constructions are finished, foundation pile---the uplift pile reinforcing cage 11 of lifting steel core concrete column.
As shown in Figure 3, fixedly the uplift pile reinforcing cage 11, and locator 12 is installed the location; Bearing bar 5 is positioned at the stake end of hand excavated pile 1, uplift pile reinforcing cage 11 by reinforcing cage fixedly reinforcing bar 6 be fixed on the man-made digging pile mould-pipe 2, locator 12 by locator fixedly reinforcing bar 7 be fixed in the uplift pile reinforcing cage 11, locator 12 is connected with crab-bolt 8.
As shown in Figure 4, check locator absolute altitude and center; Check and adopt level gauge and laser plummet.
As shown in Figure 5, after the position of locator 12 and absolute altitude inspection are errorless, in uplift pile reinforcing cage 11, build the uplift pile concrete to uplift pile concreting position 9 by concrete discharging conduit 10; The steel pipe of installing concrete filled steel tube column after concrete strength reaches designing requirement; Check the penstock installation after-pouring steel duct concrete that meets the requirements; After concreting is complete, insert in the steel pipe with being about to the top rebars cage, as with the back timber anchor bar.
Shown in accompanying drawing 6,7, described locator 12 comprises a positioning base 12-1 and four positioning supports 12-2 that are installed on the positioning base 12-1, the installed surface of described positioning base 12-1 is annular, positioning supports 12-2 is up-narrow and down-wide shape, being right-angled intersection is arranged on the positioning base 12-1, and the outermost of the junction of all positioning supports 12-2 and positioning base 12-1 is positioned on the same circular arc, and the diameter of this circular arc is identical with the internal diameter of steel pipe.Being convenient to the lifting steel pipes edge is enclosed within on the positioning supports 12-2.
Claims (5)
1. the installation and locating method of a steel core concrete column in underground deep hole is characterized in that, the method is carried out according to following steps:
1) steel core concrete column utilizes hand excavated pile as the installation work space before installation, and hand excavated pile digs to steel core concrete column foundation anti-pulling stake bottom surface absolute altitude from original ground;
2) after manual digging pile construction is finished, foundation pile---the uplift pile reinforcing cage of lifting steel core concrete column;
3) fixing uplift pile reinforcing cage, locator is installed the location;
4) check locator absolute altitude and center;
5) locator position and absolute altitude check errorless after, build the uplift pile concrete;
6) steel pipe of installing concrete filled steel tube column after concrete strength reaches designing requirement;
7) check the penstock installation after-pouring steel duct concrete that meets the requirements;
8) concreting complete after, insert in the steel pipe with being about to the top rebars cage, as with the back timber anchor bar.
2. the installation and locating method of a kind of steel core concrete column according to claim 1 in underground deep hole, it is characterized in that, described locator comprises a positioning base and the positioning supports more than three that is installed on the positioning base, described positioning supports is up-narrow and down-wide shape, and the outermost of the junction of all positioning supports and positioning base is positioned on the same circular arc, and the diameter of this circular arc is identical with the internal diameter of steel pipe.
3. the installation and locating method of a kind of steel core concrete column according to claim 2 in underground deep hole is characterized in that, the installed surface of described positioning base is circle, annular, ellipse, rectangle or square.
4. the installation and locating method of a kind of steel core concrete column according to claim 2 in underground deep hole is characterized in that, the quantity of described positioning supports is 4, is right-angled intersection and arranges.
5. the installation and locating method of a kind of steel core concrete column according to claim 1 in underground deep hole is characterized in that, locator absolute altitude and center are checked and adopted level gauge and laser plummet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012105396114A CN103061454A (en) | 2012-12-13 | 2012-12-13 | Locating method of installing concrete filled steel tubular column in underground deep hole |
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| Application Number | Priority Date | Filing Date | Title |
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| CN2012105396114A CN103061454A (en) | 2012-12-13 | 2012-12-13 | Locating method of installing concrete filled steel tubular column in underground deep hole |
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| CN103061454A true CN103061454A (en) | 2013-04-24 |
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| CN2012105396114A Pending CN103061454A (en) | 2012-12-13 | 2012-12-13 | Locating method of installing concrete filled steel tubular column in underground deep hole |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104895338A (en) * | 2015-06-08 | 2015-09-09 | 中国建筑西北设计研究院有限公司 | Installation method for building reinforced concrete structure column-contraction device |
| 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 |
| CN106087991A (en) * | 2016-06-17 | 2016-11-09 | 中国建筑第八工程局有限公司 | The high dug pile construction method at natural below ground of stake top mark |
| CN111733803A (en) * | 2020-07-16 | 2020-10-02 | 湖南建工集团有限公司 | Dry operation one-column one-pile steel pipe composite pile concrete subsection construction method |
| CN111997055A (en) * | 2020-08-19 | 2020-11-27 | 上海建工四建集团有限公司 | Positioning and verticality adjusting device and method for steel pipe column in pile hole |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104895338A (en) * | 2015-06-08 | 2015-09-09 | 中国建筑西北设计研究院有限公司 | Installation method for building reinforced concrete structure column-contraction device |
| 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 |
| CN106087991A (en) * | 2016-06-17 | 2016-11-09 | 中国建筑第八工程局有限公司 | The high dug pile construction method at natural below ground of stake top mark |
| CN111733803A (en) * | 2020-07-16 | 2020-10-02 | 湖南建工集团有限公司 | Dry operation one-column one-pile steel pipe composite pile concrete subsection construction method |
| CN111997055A (en) * | 2020-08-19 | 2020-11-27 | 上海建工四建集团有限公司 | Positioning and verticality adjusting device and method for steel pipe column in pile hole |
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Application publication date: 20130424 |