CN104060614A - Construction method of support pile of earlier constructed top beam - Google Patents

Construction method of support pile of earlier constructed top beam Download PDF

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Publication number
CN104060614A
CN104060614A CN201310089861.7A CN201310089861A CN104060614A CN 104060614 A CN104060614 A CN 104060614A CN 201310089861 A CN201310089861 A CN 201310089861A CN 104060614 A CN104060614 A CN 104060614A
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China
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concrete
pile
construction
hat
building
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CN201310089861.7A
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CN104060614B (en
Inventor
黄凯
谢非
许海岩
李剑
叶志翔
邹树荣
王丽丽
王寒
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China MCC20 Group Corp Ltd
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China MCC20 Group Corp Ltd
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Publication of CN104060614B publication Critical patent/CN104060614B/en
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Abstract

The invention relates to a support pile construction method, particularly to a construction method of a support pile of an earlier constructed top beam. The construction method comprises the following steps: Step One, measuring position and elevation of a pay-off top beam on ground, laying a concrete cushion at the bottom of the top beam after excavating a top beam foundation groove, and placing a cylindrical detachable movable steel module in the top beam foundation groove; Step Two, measuring and positioning the position of a high-pressure jet grouting pile, and mounting and fixing a PVC pipe or a steel pipe; Step Three, mounting and fixing top beam rebars, manufacturing a top beam side die, pouring top beam concrete, after top beam forming and form removal, starting punching and filling pile construction at a top beam reserved opening, not stop pouring until pouring the bottom of the top beam when pouring pile concrete, and after solidification of concrete, pouring concrete in the top beam opening; Step Four, performing high-pressure jet grouting pile construction on the reserved PVC pipe on the top beam after pile-forming of the poured support pile. According to the invention, the construction quality can be improved, the construction progress can be accelerated, and potential safety hazards are completely eradicated.

Description

A kind of soldier pile construction method of first building Guan Liang
Technical field
The present invention relates to soldier pile, especially design a kind of soldier pile construction method.
Background technology
Conventional method poured support dowel crown beam construction method is: poured support dowel crown beam construction be until the concrete strength of poured support stake reach design strength 70% after construct, then pile crown is abolished, expose a top reinforcing bar.Make hat beam steel cage and pre-buried horizontal support embedded part on stake top, stake top reinforcing bar is embedded in hat beam steel cage, last formwork is built concrete, allows Guan Liang and soldier pile form overall structure.And do water-seal pile curtain wall between the stake of soldier pile outside, stull is finally installed and carries out excavation and construction.After the excavation of foundation pit of this construction method in soldier pile the stake end uneven, the frequent generation of the potential safety hazard such as occupy structure after soldier pile displacement, leak.
Summary of the invention
The present invention is intended to overcome the defect of prior art, and a kind of soldier pile construction method of first building Guan Liang is provided.The present invention can improve construction quality, and accelerating construction progress is stopped potential safety hazard.
In order to solve the problems of the technologies described above, a kind of soldier pile construction method of first building Guan Liang of the present invention, it comprises:
Step 1 at ground survey radiate crown beam position and absolute altitude, is laid concrete bed course after the groove of excavation hat beam basis at the bottom of beam, in hat beam groove, places cylindric detachable movable steel template;
Step 2, measurement and positioning high-pressure rotary jet grouting pile position, installs fixing PVC pipe or steel pipe;
Step 3, fixing hat beam steel is installed and is done hat beam side, build hat beam concrete, after hat beam moulding form removal, start concrete pouring of punched hole piles at hat beam reserved opening, in the time building pile concrete, water hat beam bottom position and stop building, after concrete setting, in the hole of Guan Liang, build than the concrete of the high grade of hat beam concrete grade; For improving pile body and hat beam bulk strength, in rear pouring concrete, can add micro-expanding agent;
Step 4, pvc pipe that just can be reserved on Guan Liang after poured support stake pile carries out Construction of High Pressure Jet Grouting Pile.
Described a kind of soldier pile construction method of first building Guan Liang, in described step 1, column type traveling formwork diameter dimension, taking soldier pile diameter as parameter, exceeds 5cm-10cm than poured support stake diameter.
Described a kind of soldier pile construction method of first building Guan Liang, the diameter of described pvc pipe or steel pipe, taking jet grouting pile driving machine bull stick diameter as parameter, exceeds 2 ~ 3cm than bull stick diameter, 1 ~ 3 of quantity.
Described a kind of soldier pile construction method of first building Guan Liang, is added with micro-expanding agent in the rear pouring concrete in described step 3.
The present invention has changed and has first done construct the again construction method of Guan Liang of soldier pile in the past, for the Guan Liang that first constructs, first indwelling preformed hole (diameter is taking soldier pile diameter as parameter) on Guan Liang, using the reserved hole of the Guan Liang that first builds as steel casing, substantially solve the uneven of stake after the excavation of foundation pit in soldier pile, the generation of the potential safety hazard such as occupy structure, leak, main is to improve soldier pile construction quality, shorten the soldier pile construction period, improved economic and social benefit, saved construction costs.
Detailed description of the invention
Below in conjunction with detailed description of the invention, the present invention is further illustrated,
Way of the present invention is the Guan Liang construction supporting stake again of first constructing, first at ground survey Guan Liang position and absolute altitude, after hat beam channel excavation, at the bottom of beam, lay concrete bed course, (cylinder traveling formwork diameter dimension is taking soldier pile diameter as parameter in groove, to place cylindric detachable movable steel template, generally exceeding 5cm-10cm than soldier pile diameter is advisable), measurement and positioning grouting and reinforcing position simultaneously, fixing reserved Grouting Pipe is installed, and (pvc pipe/diameter of steel tube is taking jet grouting pile driving machine bull stick diameter as parameter, it is good exceeding 2 ~ 3cm than bull stick diameter, 1 ~ 3 of quantity, position is with reference to drawing requirement), rear installation fixing hat beam steel also does hat beam side, build hat beam concrete.After reaching design strength, remove steel form, start soldier pile construction at reserved opening place, in the time building pile concrete, water hat beam bottom position and stop building, after concrete setting, in the hole of Guan Liang, build than the concrete of the high grade of hat beam concrete grade, in concrete, add micro-expanding agent.For improving pile body and hat beam bulk strength, in rear pouring concrete, can add micro-expanding agent.Pvc pipe/steel pipe that just can be reserved on Guan Liang after poured support stake pile carries out water-seal pile (high-pressure rotary jet grouting pile) construction.

Claims (5)

1. a soldier pile construction method of first building Guan Liang, is characterized in that, it comprises:
Step 1 at ground survey radiate crown beam position and absolute altitude, is laid concrete bed course after the groove of excavation hat beam basis at the bottom of beam, in hat beam groove, places cylindric detachable movable steel template;
Step 2, measurement and positioning high-pressure rotary jet grouting pile position, installs fixing PVC pipe or steel pipe;
Step 3, installs fixing hat beam steel and does hat beam side, builds hat beam concrete, after hat beam moulding form removal, start concrete pouring of punched hole piles at hat beam reserved opening, in the time building pile concrete, water hat beam bottom position and stop building, after concrete setting, concreting in the hole of Guan Liang;
Step 4, pvc pipe that just can be reserved on Guan Liang after poured support stake pile carries out Construction of High Pressure Jet Grouting Pile.
2. a kind of soldier pile construction method of first building Guan Liang according to claim 1, is characterized in that, in described step 1, column type traveling formwork diameter dimension, taking soldier pile diameter as parameter, exceeds 5cm-10cm than poured support stake diameter.
3. a kind of soldier pile construction method of first building Guan Liang according to claim 1, is characterized in that, the diameter of described pvc pipe or steel pipe, taking jet grouting pile driving machine bull stick diameter as parameter, exceeds 2 ~ 3cm than bull stick diameter, 1 ~ 3 of quantity.
4. a kind of soldier pile construction method of first building Guan Liang according to claim 1, is characterized in that, in the rear pouring concrete in described step 3, is added with micro-expanding agent.
5. a kind of soldier pile construction method of first building Guan Liang according to claim 1, is characterized in that, in described step 3, after concrete setting, the concrete of building in the hole of Guan Liang is than the high grade of hat beam concrete grade.
CN201310089861.7A 2013-03-20 2013-03-20 A kind of soldier pile construction method of first building Guan Liang Active CN104060614B (en)

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CN201310089861.7A CN104060614B (en) 2013-03-20 2013-03-20 A kind of soldier pile construction method of first building Guan Liang

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Application Number Priority Date Filing Date Title
CN201310089861.7A CN104060614B (en) 2013-03-20 2013-03-20 A kind of soldier pile construction method of first building Guan Liang

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CN104060614A true CN104060614A (en) 2014-09-24
CN104060614B CN104060614B (en) 2016-03-30

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105002891A (en) * 2015-07-29 2015-10-28 北京城建北方建设有限责任公司 Earth-among-pile excavation-free construction method for cast-in-situ bored piles
CN108086329A (en) * 2017-11-30 2018-05-29 中国二十冶集团有限公司 Instead of the production method of Guan Liang steel bar stress and the punching block of template

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2434172A (en) * 2006-01-13 2007-07-18 Mowlem Plc A retaining wall for an excavation
CN101328713A (en) * 2008-07-18 2008-12-24 华丰建设股份有限公司 Construction method of circular deep foundation pit support
CN101545260A (en) * 2008-03-27 2009-09-30 中国二十冶建设有限公司 Method for supporting bored filling pile driven by stirring pile in foundation pit, group pit and middle pit
CN101560770A (en) * 2008-04-15 2009-10-21 广东省六建集团有限公司 Novel deep building foundation pit supporting system
CN102383443A (en) * 2011-11-28 2012-03-21 大荣建设集团有限公司 Connection structures between foundation pit support piles and outer walls of basement and construction method
CN202627000U (en) * 2012-05-31 2012-12-26 中科院广州化灌工程有限公司 Anchor-pulling type foundation pit supporting structure with double rows of piles

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2434172A (en) * 2006-01-13 2007-07-18 Mowlem Plc A retaining wall for an excavation
CN101545260A (en) * 2008-03-27 2009-09-30 中国二十冶建设有限公司 Method for supporting bored filling pile driven by stirring pile in foundation pit, group pit and middle pit
CN101560770A (en) * 2008-04-15 2009-10-21 广东省六建集团有限公司 Novel deep building foundation pit supporting system
CN101328713A (en) * 2008-07-18 2008-12-24 华丰建设股份有限公司 Construction method of circular deep foundation pit support
CN102383443A (en) * 2011-11-28 2012-03-21 大荣建设集团有限公司 Connection structures between foundation pit support piles and outer walls of basement and construction method
CN202627000U (en) * 2012-05-31 2012-12-26 中科院广州化灌工程有限公司 Anchor-pulling type foundation pit supporting structure with double rows of piles

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105002891A (en) * 2015-07-29 2015-10-28 北京城建北方建设有限责任公司 Earth-among-pile excavation-free construction method for cast-in-situ bored piles
CN108086329A (en) * 2017-11-30 2018-05-29 中国二十冶集团有限公司 Instead of the production method of Guan Liang steel bar stress and the punching block of template

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