CN102704507A - 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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- CN102704507A CN102704507A CN2012101701194A CN201210170119A CN102704507A CN 102704507 A CN102704507 A CN 102704507A CN 2012101701194 A CN2012101701194 A CN 2012101701194A CN 201210170119 A CN201210170119 A CN 201210170119A CN 102704507 A CN102704507 A CN 102704507A
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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 the engineering construction field, relate in particular to a kind of lid and dig contrary do vertical structure concrete wall, column construction method.
Background technology
Lid digs and contrary makes the vertical structure concrete wall, the general construction of post has two kinds: after returning certain altitude under first kind of employing, will just make wall, suitable for reading of column template is set as toroidal, waters walling, post concrete from horn mouth; After concrete setting, cut the unnecessary concrete in horn mouth place, and repair smooth; Though the method can better solve joint concrete compactness suitable for reading; But formwork erection is complicated, need cut unnecessary horn mouth concrete and repair smoothly, and presentation quality is bad; After returning certain altitude under second kind of employing wall, the post; To just do wall, post concreting to apart under return the concrete certain distance; Be pressed into cement paste with high grade slightly expanded concrete filling or employing again and fill, this kind method needs repeatedly construction, and concrete construction joint is more; Back packing material compactness is wayward, and concrete quality is wayward.Therefore dig for lid and contraryly make the vertical structure concrete wall, post is necessary to propose a kind of new job practices.
Summary of the invention
Technical problem to be solved by this invention provides a kind of lid that improves and digs contrary concrete wall, the column construction method of making vertical structure concrete wall, post seam crossing construction quality.
For realizing above-mentioned technique effect, the invention discloses a kind of lid and dig against making vertical structure concrete wall, column construction method, said job practices may further comprise the steps:
The construction top board is provided with the section of returning in the corresponding lower floor of said top board wall, post position, under said, reserves the sleeve pipe and the reinforcing bar of plugging in the section of returning;
Constructed behind the said top board, excavated one deck earthwork downwards, tied up wall, the post reinforcing bar is connected with the said reinforcing bar of plugging into from said top board, and the construction base plate;
Constructed behind the said base plate, install wall, column template and said under the section of returning closely connected;
Build wall, post downwards in the section of the returning reservation sleeve pipe under said.
The present invention further improves and is, the said bottom profit retention of the section of returning is down stopped shoulder shape to handle the bottom-up constuction joint that connects of vertical primary structure member.
The present invention further improves and is that corresponding wall, post position are provided with the section of returning on said base plate.
The present invention further improves and is, offers the hole of vibrating at the middle part of said wall, column template, cooperates the said hole of vibrating that one vibrating spear is set.
The present invention has been owing to adopted above technical scheme, makes it have following beneficial effect to be: at first accomplish every floor plated construction according to the designing requirement construction, and reserved under wall or the post return, on return height and shape; Reserved reinforcing bar; Keep at a certain distance away in wall or the post to reserve and build sleeve pipe, install wall or column template at last again, concrete is built downwards, is vibrated from building in the sleeve pipe of reserving; Avoided lid to dig and contraryly made wall, post installs complicated, the joint concrete compactness unmanageable problem of working procedure that is toroidal or back completion method; Reduce difficulty of construction, guaranteed construction quality, accelerated construction speed.
Description of drawings
For the benefit of to the further understanding of structure of the present invention, the present invention is that example is explained with underground two-layer structure construction.
Fig. 1 is contrary vertical structure concrete wall, the negative one deck top board construction sketch map of post done for lid of the present invention digs.
Fig. 2 is contrary vertical structure concrete wall, the negative one deck base plate construction of the post sketch map done for lid of the present invention digs.
Fig. 3 is contrary vertical structure concrete wall, the negative two layers of base plate construction of the post sketch map done for lid of the present invention digs.
Fig. 4 is contrary do vertical structure concrete wall, post concreting view for lid of the present invention digs.
The specific embodiment
At first see also Fig. 1; According to the negative one deck top board 11 of designing requirement construction; Following the return section 13 of one height greater than 500mm is set in top board 11 corresponding lower floor walls, post position; The bottom profit retention of the section of returning 13 is stopped shoulder shape to handle the bottom-up constuction joint that connects of vertical primary structure member down, and the shoulder shape shape of stopping can prolong the seepage channel of constuction joint place water, and constuction joint place concrete can be easier to fill full, vibration compacting.Interval 1000mm is apart from reserving diameter 150mm sleeve pipe 12 in wall, post; Be used to water walling, post concrete; The downward length in reserve of reinforcing bar exceeds the reinforcing bar 14 of plugging into of the section of returning 100mm-150mm under the shoulder shape of stopping in wall, the post, and the protection when being convenient to lower floor's soil excavation is connected with lower floor's reinforcing bar.
Consult Fig. 2, wait negative one deck top board 11 structural concretes to reach design strength after, the negative one deck earthwork of excavation, the negative one deck base plate 21 of construction.This stage; The negative one deck wall of construction earlier, post reinforcing bar 25; After the reinforcing bar of reserving when construct with negative one deck top board 11 in the upper end 251 of reinforcing bar 25 14 of plugging into is connected completion; Again in negative one deck base plate 21 reinforcing bars of the lower end of reinforcing bar 25 252 colligations; Corresponding negative 11 times sections of returning 13 of one deck top board on negative one deck base plate 21 be provided with a height greater than 300mm on anti-section 26, the downside at negative one deck base plate 21 is provided with following the return section 24 of a height greater than 500mm accordingly, under the section of returning 24 bottoms be to stop and take on shape; 1000mm reserves diameter 150mm sleeve pipe 22 at interval in wall, post, and the lower end 252 of reinforcing bar 25 forms the reinforcing bar 23 of plugging into that downward length in reserve exceeds the section of returning 100mm-150mm under the shoulder shape of stopping in wall, the post.
Consult Fig. 3, wait negative one deck base plate 21 structural concretes to reach design strength after, the negative two layers of earthwork of excavation, the negative two layers of base plate 31 of construction.This stage; The negative two layers of wall of construction earlier, post reinforcing bar 32; Wall, the post that the upper end 321 of reinforcing bar 32 is reserved downwards during with 21 constructions of negative one deck base plate plugged into after reinforcing bar 23 is connected completion; Again in negative two layers of base plate 31 reinforcing bar of the lower end of reinforcing bar 32 322 colligations, corresponding negative 21 times sections of returning 24 of one deck base plate on negative two layers of base plate 31 be provided with a height greater than 300mm on anti-section 33.
Consult Fig. 4, wait negative two layers of base plate 31 structural concrete to reach certain intensity after, accomplish the thin portion of constuction joint waterproof way according to designing requirement after; Begin to install negative two layers of wall, column template 41; Template 41 adopts the single surface formwork modes, and the vibrating spear hole 42 of vibrating is offered at middle part 1000mm at interval, vibrate hole 42 with reserve sleeve pipe 22 and be laid staggeredly; Anti-section 33 is closely connected on template 41 bottoms and the negative two layers of base plate 31; Template 41 tops and 21 times sections of returning 24 of negative one deck base plate are closely connected, lay in the sleeve pipe 22 that the concrete pump line reserves from negative one deck base plate 21 concretings downwards, and concrete vibrates with the hole 42 of vibrating, template 41 middle parts in the sleeve pipe 22.
Consult Fig. 4, wait negative two layers of wall, post concrete construction to accomplish after, adopt similar approach; After the thin portion of designing requirement completion constuction joint waterproof way; Begin to install negative one deck wall, column template 51, template 51 adopts the single surface formwork modes, and the vibrating spear hole 52 of vibrating is offered at middle part 1000mm at interval; Anti-section 26 is closely connected on template 51 bottoms and the negative one deck base plate 21; Template 51 tops and 11 times sections of returning 13 of negative one deck top board are closely connected, lay in the sleeve pipe 12 that the concrete pump line reserves from negative one deck top board 11 concretings downwards, and concrete vibrates with the hole 52 of vibrating, template 51 middle parts in the sleeve pipe 12.Avoided lid to dig and contraryly made wall, post installs complicated, the joint concrete compactness unmanageable problem of working procedure that is toroidal or back completion method, has reduced difficulty of construction, has guaranteed construction quality, has accelerated construction speed.
More than combine accompanying drawing embodiment that the present invention is specified, those skilled in the art can make the many variations example to the present invention according to above-mentioned explanation.Thereby some details among the embodiment should not constitute qualification of the present invention, and the scope that the present invention will define with appended claims is as protection scope of the present invention.
Claims (4)
1. a lid digs against making vertical structure concrete wall, column construction method, it is characterized in that said job practices may further comprise the steps:
The construction top board is provided with the section of returning in the corresponding lower floor of said top board wall, post position, under said, reserves the sleeve pipe and the reinforcing bar of plugging in the section of returning;
Constructed behind the said top board, excavated one deck earthwork downwards, tied up wall, the post reinforcing bar is connected with the said reinforcing bar of plugging into from said top board, and the construction base plate;
Constructed behind the said base plate, install wall, column template and said under the section of returning closely connected;
Build wall, post downwards in the section of the returning reservation sleeve pipe under said.
2. lid as claimed in claim 1 digs against making vertical structure concrete wall, column construction method, it is characterized in that: the said bottom profit retention of the section of returning is down stopped shoulder shape to handle the bottom-up constuction joint that connects of vertical primary structure member.
3. lid as claimed in claim 1 digs against making vertical structure concrete wall, column construction method, and it is characterized in that: corresponding wall, post position are provided with the section of returning on said base plate.
4. lid as claimed in claim 1 digs contrary makes vertical structure concrete wall, column construction method, it is characterized in that: offer the hole of vibrating at the middle part of said wall, column template, cooperate the said hole of vibrating that one vibrating spear is set.
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 true CN102704507A (en) | 2012-10-03 |
| CN102704507B CN102704507B (en) | 2015-04-29 |
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Cited By (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 |
| CN111058477A (en) * | 2019-12-06 | 2020-04-24 | 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 |
| CN114232683A (en) * | 2022-01-11 | 2022-03-25 | 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 |
| CN114934544A (en) * | 2022-07-25 | 2022-08-23 | 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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Cited By (9)
| 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 |
| CN111058477A (en) * | 2019-12-06 | 2020-04-24 | 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 |
| CN114232683A (en) * | 2022-01-11 | 2022-03-25 | 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 |
| 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 |
| CN114934544A (en) * | 2022-07-25 | 2022-08-23 | 中国建筑第六工程局有限公司 | Construction method for covering and digging top-down side wall |
| 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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| CN102704507B (en) | 2015-04-29 |
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