CN102704507B - Construction method of cover-and-cut reverse construction concrete walls and columns with vertical structures - Google Patents
Construction method of cover-and-cut reverse construction concrete walls and columns with vertical structures Download PDFInfo
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- CN102704507B CN102704507B CN201210170119.4A CN201210170119A CN102704507B CN 102704507 B CN102704507 B CN 102704507B CN 201210170119 A CN201210170119 A CN 201210170119A CN 102704507 B CN102704507 B CN 102704507B
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Abstract
The invention discloses a construction method of cover-and-cut reverse construction concrete walls and columns with vertical structures. The construction method comprises the following steps that a top plate is constructed, a lower returnable segment is arranged in the position of the top plate corresponding to a lower-layer wall and column, and sleeves and overlap-connected steel bars are reserved in the lower returnable segment; after the top plate is constructed, a layer of soil is excavated downwards from the top plate, wall and column steel bars are bound, and then, are connected to the overlap-connected steel bars, and a bottom plate is constructed; after the bottom plate is constructed, wall and column templates are supported to be closely attached to the lower returnable segment; and walls and columns can be formed by pouring concrete downwards in the sleeves reserved in the lower returnable segment. According to the invention, the construction method solves the problem that cover-and-cut reverse construction concrete walls and columns form a horn mouth shape in a supporting mode, or the construction process of a post filling method is complex, and the compactness of concrete in joints is difficult to control. The construction method reduces the construction difficulty, ensures the construction quality and accelerates the construction progress.
Description
Technical field
The present invention relates to engineering construction field, particularly relate to a kind of covered back-digging vertical structure concrete walls, column construction method.
Background technology
Covered back-digging vertical structure concrete walls, post have generally constructed two kinds: after the first returns certain altitude under adopting, by just making wall, suitable for reading of column template is set as toroidal, walling, post concrete is watered from horn mouth, after the concrete has set, cut horn mouth place any excess concrete, and repair smooth, although the method better can solve joint concrete packing suitable for reading, but formwork erection is complicated, need cut unnecessary horn mouth concrete and repair smooth, presentation quality is bad; After the second returns certain altitude under adopting wall, post, by just do wall, post concreting to apart under return concrete certain distance, fill with a high grade slightly expanded concrete again or adopt press-in cement mortar to fill, this kind of method need repeatedly be constructed, concrete construction joint is more, rear packing material packing is wayward, and concrete quality is wayward.Therefore covered back-digging vertical structure concrete walls, post are necessary to propose a kind of new construction method.
Summary of the invention
Technical problem to be solved by this invention is to provide a kind of concrete walls, the column construction method that improve covered back-digging vertical structure concrete walls, post seam crossing construction quality.
For realizing above-mentioned technique effect, the invention discloses a kind of covered back-digging vertical structure concrete walls, column construction method, described construction method comprises the following steps:
Construction top board, arranges the section of returning in described top board corresponding lower floor wall, post position, reserved sleeve pipe and reinforcing bar of plugging in the section of returning under described;
Construct after described top board, excavated one deck earthwork downwards from described top board, tied up wall, post reinforcing bar and described bar connecting of plugging into, and base plate of constructing;
Constructed after described base plate, install wall, column template and described under the section of returning closely connected;
Reserve in sleeve pipe from the section of returning described and build wall, post downwards.
The present invention further improves and is, under described, the bottom profit retention of the section of returning is stopped, and to process, vertical primary structure member is bottom-up connects construction joint to shoulder shape.
The present invention further improves and is, on described base plate, corresponding wall, post position arrange the section of returning on.
The present invention further improves and is, offer one at the middle part of described wall, column template and to vibrate hole, hole of vibrating described in cooperation arranges a vibrating spear.
The present invention is owing to have employed above technical scheme, making it have following beneficial effect is: first to have constructed every floor plate structure according to designing requirement, and return under reserved good wall or post, on return height and shape, reserved good reinforcing bar, keep at a certain distance away in wall or post and reservedly build sleeve pipe, finally install wall or column template again, concrete is built downwards from reserved building in sleeve pipe, vibrate, avoid covered back-digging wall, post install in toroidal or the working procedure of rear completion method complicated, the unmanageable problem of joint concrete packing, reduce difficulty of construction, ensure that construction quality, accelerate construction speed.
Accompanying drawing explanation
For the benefit of to the further understanding of structure of the present invention, the present invention explains for the construction of underground two-layer structure.
Fig. 1 is covered back-digging vertical structure concrete walls of the present invention, one deck top board construction schematic diagram born by post.
Fig. 2 is covered back-digging vertical structure concrete walls of the present invention, one deck construction of bottom plates schematic diagram born by post.
Fig. 3 is covered back-digging vertical structure concrete walls of the present invention, the negative two layers of construction of bottom plates schematic diagram of post.
Fig. 4 is covered back-digging vertical structure concrete walls of the present invention, post casting concrete view.
Detailed description of the invention
First Fig. 1 is referred to, according to the negative one deck top board 11 of designing requirement construction, arrange one in top board 11 corresponding lower floor wall, post position and be highly greater than the section of returning 13 under 500mm, under the bottom profit retention of the section of returning 13 stop that vertical primary structure member is bottom-up connects construction joint to shoulder shape to process, shoulder shape shape of stopping can extend the seepage channel of construction joint place water, and construction joint place concrete can be easier to fill full, vibration compacting.The reserved diameter 150mm sleeve pipe 12 of interval 1000mm distance in wall, post; for watering walling, post concrete; in wall, post, the downward length in reserve of reinforcing bar exceeds the reinforcing bar 14 of plugging into of the section of returning 100mm-150mm under shoulder shape of stopping, protection when being convenient to lower floor's earth excavation and the connection of lower floor's reinforcing bar.
Consult Fig. 2, after waiting negative one deck top board 11 structural concrete to reach design strength, the negative one deck earthwork of excavation, the negative one deck base plate 21 of construction.This stage, the negative one deck wall of first construction, post reinforcing bar 25, after reinforcing bar 14 of plugging into reserved time construction with negative one deck top board 11 in the upper end 251 of reinforcing bar 25 has been connected, one deck base plate 21 reinforcing bar is born in lower end 252 colligation again in reinforcing bar 25, on negative one deck base plate 21, corresponding negative one deck top board 11 times sections of returning 13 arrange the upper anti-section 26 that is highly greater than 300mm, arrange accordingly one in the downside of negative one deck base plate 21 and be highly greater than the section of returning 24 under 500mm, under bottom the section of returning 24 in shoulder shape of stopping, at wall, in post, interval 1000mm reserves diameter 150mm sleeve pipe 22, wall, in post, the lower end 252 of reinforcing bar 25 forms downward length in reserve and exceeds the reinforcing bar 23 of plugging into of the section of returning 100mm-150mm under shoulder shape of stopping.
Consult Fig. 3, after waiting negative one deck base plate 21 structural concrete to reach design strength, the negative two layers of earthwork of excavation, the negative two layers of base plate 31 of construction.This stage, first construction negative two layers of wall, post reinforcing bar 32, the wall reserved downwards time construction with negative one deck base plate 21 in the upper end 321 of reinforcing bar 32, post are plugged into after reinforcing bar 23 has been connected, again in negative two layers of base plate 31 reinforcing bar of lower end 322 colligation of reinforcing bar 32, on negative two layers of base plate 31, corresponding negative one deck base plate 21 times sections of returning 24 arrange the upper anti-section 33 that is highly greater than 300mm.
Consult Fig. 4, after reaching some strength Deng negative two layers of base plate 31 structural concrete, after completing construction joint waterproof detail operating according to designing requirement, start to install negative two layers of wall, column template 41, template 41 adopts single surface formwork mode, middle part interval 1000mm offers vibrating spear and to vibrate hole 42, vibrate hole 42 is laid staggeredly with reserved sleeve pipe 22, template 41 bottom is closely connected with anti-section 33 on negative two layers of base plate 31, template 41 top and negative one deck base plate 21 times sections of returning 24 closely connected, lay concrete pump pipe from the interior casting concrete downwards of the sleeve pipe 22 that negative one deck base plate 21 is reserved, vibrate in concrete hole 42 of vibrating in sleeve pipe 22 and in the middle part of template 41.
Consult Fig. 4, on negative two layers of wall, after post concrete construction completes, adopt similar approach, after completing construction joint waterproof detail operating according to designing requirement, start to install negative one deck wall, column template 51, template 51 adopts single surface formwork mode, middle part interval 1000mm offers vibrating spear and to vibrate hole 52, on template 51 bottom and negative one deck base plate 21, anti-section 26 is closely connected, template 51 top and negative one deck top board 11 times sections of returning 13 closely connected, lay concrete pump pipe from the interior casting concrete downwards of the sleeve pipe 12 that negative one deck top board 11 is reserved, vibrate in concrete hole 52 of vibrating in sleeve pipe 12 and in the middle part of template 51.Avoid covered back-digging wall, post installs in toroidal or the working procedure of rear completion method is complicated, the unmanageable problem of joint concrete packing, reduce difficulty of construction, ensure that construction quality, accelerate construction speed.
Below embodiment is to invention has been detailed description by reference to the accompanying drawings, and those skilled in the art can make many variations example to the present invention according to the above description.Thus, some details in embodiment should not form limitation of the invention, the present invention by the scope that defines using appended claims as protection scope of the present invention.
Claims (1)
1. covered back-digging vertical structure concrete walls, a column construction method, is characterized in that described construction method comprises the following steps:
Construction top board, arranges the section of returning in described top board corresponding lower floor wall, post position, reserved sleeve pipe and reinforcing bar of plugging in the section of returning under described;
Constructed after described top board, excavated one deck earthwork downwards from described top board, tied up wall, post reinforcing bar, described wall, post reinforcing bar and described bar connecting of plugging into, and base plate of constructing, on described base plate, corresponding wall, post position arrange the section of returning on;
Constructed after described base plate, installed wall, column template, the top of described wall, column template and described under the section of returning closely connected, offer one at the middle part of described wall, column template and to vibrate hole, hole of vibrating described in cooperation arranges a vibrating spear;
Reserve in sleeve pipe from the section of returning described and build wall, post downwards;
Under described, the bottom profit retention of the section of returning is stopped, and to process, vertical primary structure member is bottom-up connects construction joint to shoulder shape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210170119.4A CN102704507B (en) | 2012-05-28 | 2012-05-28 | Construction method of cover-and-cut reverse construction concrete walls and columns with vertical structures |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201210170119.4A CN102704507B (en) | 2012-05-28 | 2012-05-28 | Construction method of cover-and-cut reverse construction concrete walls and columns with vertical structures |
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| CN102704507A CN102704507A (en) | 2012-10-03 |
| CN102704507B true CN102704507B (en) | 2015-04-29 |
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Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103866789A (en) * | 2014-03-19 | 2014-06-18 | 重庆大学 | Control method for cracks generated during construction period of basement baseboard |
| CN104131579A (en) * | 2014-05-27 | 2014-11-05 | 中国建筑第四工程局有限公司 | Method for quickening earthwork digging and transporting in top-down construction |
| CN111058477B (en) * | 2019-12-06 | 2020-11-06 | 中国人民解放军军事科学院国防工程研究院工程防护研究所 | Cover-excavation full-reverse construction design construction method for urban underground engineering |
| CN114232686A (en) * | 2021-12-03 | 2022-03-25 | 中铁四院集团西南勘察设计有限公司 | Construction method for underground structure cover excavation and top-down construction |
| CN114232683B (en) * | 2022-01-11 | 2023-02-10 | 华东建筑设计研究院有限公司 | Support changing and structural connecting method during conflict between temporary separation enclosure wall and structural frame column |
| CN114934544B (en) * | 2022-07-25 | 2022-11-04 | 中国建筑第六工程局有限公司 | Construction method for covering and digging top-down side wall |
| CN115262631A (en) * | 2022-08-03 | 2022-11-01 | 中国水利水电第十工程局有限公司 | Concrete pouring device and method for upright column construction by cover-excavation method |
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| CN102191779A (en) * | 2010-03-05 | 2011-09-21 | 中国京冶工程技术有限公司厦门分公司 | Topdown construction method of basement exterior wall |
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| CN1307348C (en) * | 2004-03-15 | 2007-03-28 | 中国第二十冶金建设公司 | Construction method for underground structure through half reverse course of action of inverting connection |
| KR20060096705A (en) * | 2005-03-02 | 2006-09-13 | (주)엠오아이 | Retaining wall method using the reaction of anchor force in site |
| CN102433894B (en) * | 2011-12-30 | 2013-11-06 | 中铁二局股份有限公司 | Construction method for station side wall by covered top-down excavation method |
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| CN102191779A (en) * | 2010-03-05 | 2011-09-21 | 中国京冶工程技术有限公司厦门分公司 | Topdown construction method of basement exterior wall |
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| "‘逆作法’施工关键节点的处理";赵源，杨素钦等;《现代企业文化》;20080731(第21期);参见第114页第二小节-第115页第四小节 * |
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