CN102561690A - Construction method for supporting structures on two sides of post-cast strip by use of brick column - Google Patents
Construction method for supporting structures on two sides of post-cast strip by use of brick column Download PDFInfo
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- CN102561690A CN102561690A CN2012100638210A CN201210063821A CN102561690A CN 102561690 A CN102561690 A CN 102561690A CN 2012100638210 A CN2012100638210 A CN 2012100638210A CN 201210063821 A CN201210063821 A CN 201210063821A CN 102561690 A CN102561690 A CN 102561690A
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Abstract
The invention provides a construction method for supporting structures on two sides of a post-cast strip by use of a brick column. The method comprises the following steps: step I, building the brick column supporting beam and slab structures on the two sides of the post-cast strip until the bottom elevation for designing a floorslab is obtained, and reserving the position for paving a template; step II, after the brick column is built, erecting a first steel pipe template bracket for supporting the beam and slab structures on the two sides of the post-cast strip and a template, and casting the beam and slab structures; step III, after the concrete strength grade of the beam and slab structures on the two sides of the post-cast strip meets the requirement, dismantling the first steel pipe template bracket such that the brick column independently bears the load of the beam and slab structures; step IV, erecting a second steel pipe template bracket at the post-cast strip, and closing the post-cast strip; and step V, dismantling the brick column after the post-cast strip is integrally connected with the beam and slab structures on the two sides of the post-cast strip and the required strength is obtained. According to the invention, the structures on the two sides of the post-cast strip can be supported after steel pipe brackets on the two sides of the post-cast strip are dismantled so as to ensure the stability and safety of the structures on the two sides of the post-cast strip in the whole construction process.
Description
Technical field
The present invention relates to building engineering field, be specifically related to a kind of job practices of propping up ater-casting, top structure on two sides with the brick post.
Background technology
In the building operations for preventing monolithic reinforced concrete structure owing to temperature, shrink uneven issuable harmful crack; Produce differential settlement between building body and the podium,, stay in the relevant position of floor, beam and establish the ater-casting according to designing or the job specfication requirement; Structure temporarily is divided into several portions; Shrink through component inside, after the some time, water again and smash the ater-casting concrete, structure is linked to be integral body.Because the setting of ater-casting temporarily changes the stress of original structure; Ater-casting two side templates and steel pipe support thereof are not removed in principle in the work progress; But consider situation such as real material transportation, steel pipe lease expenses; Both sides, part ater-casting steel pipe support needs to remove, and when removing, must take the reliable supporting measure to guarantee stability and the safety of structure in the construction stage.
Summary of the invention
Technical problem to be solved by this invention is to provide a kind of job practices of propping up ater-casting, top structure on two sides with the brick post; Can be after both sides, ater-casting steel pipe support be removed; Support the ater-casting structure on two sides, guarantee stability and the safety of ater-casting structure on two sides in whole construction course.
For solving above-mentioned existing technical problem, the present invention adopts following scheme: a kind of job practices of propping up ater-casting, top structure on two sides with the brick post may further comprise the steps:
Step 1: build brick post to the end absolute altitude that reaches the design floor of the beam and slab structure that supports the both sides, ater-casting by laying bricks or stones and reserve the position of laying template;
Step 2: after the brick post lays, set up first steel pipe falsework and the template of the beam and slab structure that supports the both sides, ater-casting, carry out building of beam and slab structure then;
Step 3: when the strength grade of concrete of treating both sides, ater-casting beam and slab structure reaches requirement, remove the first steel pipe falsework, the brick post independently bears the load of beam and slab structure;
Step 4: install the second steel pipe falsework at position, ater-casting, the sealing ater-casting;
Step 5: treat that ater-casting and both sides, ater-casting beam and slab structure fuse and reach and remove the brick post after the intensity.
As preferably, before building the brick post by laying bricks or stones,, confirm the size and the spacing of brick post in the said step 1 according to the principle of required supporting load of the every side in ater-casting and brick post equivalent.The structure of brick post and stressed meeting are more reasonable like this, have not only guaranteed workmanship but also avoid causing waste owing to build excessive brick post by laying bricks or stones.
As preferably, before building the brick post by laying bricks or stones, the position of brick post is positioned unwrapping wire in the said step 1; Before setting up the first steel pipe falsework, the position of the first steel pipe falsework is positioned unwrapping wire in the said step 2; Before installing the second steel pipe falsework, the position of the second steel pipe falsework is positioned unwrapping wire in the said step 4.The location unwrapping wire can position more accurate position to brick post and steel pipe falsework, guarantees safety and workmanship.
As preferably, before building the brick post by laying bricks or stones, lay first topping in the said step 1 in the bottom of brick post correspondence position.When avoiding the brick post to remove original structure is damaged.
As preferably, in the said step 2 before installing the first steel pipe falsework, before installing the second steel pipe falsework, all second topping is set in the said step 4 in the bottom of its correspondence position.Avoid the first steel pipe falsework and the second steel pipe falsework that original structure is damaged.
As preferably, on the first steel pipe falsework, be provided with vertical bridging in the said step 2, on the second steel pipe falsework, be provided with vertical bridging in the said step 4.It is more firm that falsework is supported.
As preferably, adopt artificial auxiliary small mechanical equipment to remove when removing the brick post in the said step 5.Artificial auxiliary small mechanical equipment is safer such as dismounting constructions such as Churn drills.
Beneficial effect:
A kind of job practices of propping up ater-casting, top structure on two sides with the brick post that the present invention adopts technique scheme to provide; After both sides, ater-casting steel pipe support is removed; Support the ater-casting structure on two sides, guaranteed stability and the safety of ater-casting structure on two sides in whole construction course.
Description of drawings
Fig. 1 builds sketch map by laying bricks or stones for brick post of the present invention;
Fig. 2 sets up sketch map for ater-casting of the present invention structure on two sides steel pipe falsework;
Fig. 3 sets up sketch map for position, ater-casting of the present invention steel pipe falsework;
Fig. 4 is that brick post of the present invention is removed sketch map.
The specific embodiment
To shown in Figure 4, a kind of job practices of propping up ater-casting, top structure on two sides with the brick post may further comprise the steps like Fig. 1:
Step 1: build brick post 1 to the end absolute altitude that reaches the design floor of the beam and slab structure 32 that supports 31 both sides, ater-casting by laying bricks or stones and reserve the position of laying template 4;
Step 2: after brick post 1 lays, set up the first steel pipe falsework 21 and template 4 of the beam and slab structure 32 that supports 31 both sides, ater-casting, carry out building of beam and slab structure 32 then;
Step 3: when the strength grade of concrete of treating ater-casting 31 both sides beam and slab structure 32 reaches requirement, remove the first steel pipe falsework 21, brick post 1 independently bears the load of beam and slab structure 32;
Step 4: install the second steel pipe falsework 22 at 31 positions, ater-casting, sealing ater-casting 31;
Step 5: treat ater-casting 31 and ater-casting 31 both sides beam and slab structure 32 fuse and reach intensity after remove brick post 1.
Before building brick post 1 by laying bricks or stones,, confirm the size and the spacing of brick post 1 in the said step 1 according to the principle of required supporting load of the every side in ater-casting and brick post equivalent.Before building brick post 1 by laying bricks or stones, the position of brick post 1 is positioned unwrapping wire in the said step 1; Before setting up the first steel pipe falsework 21, the position of the first steel pipe falsework 21 is positioned unwrapping wire in the said step 2; Before installing the second steel pipe falsework 22, the position of the second steel pipe falsework 22 is positioned unwrapping wire in the said step 4.Before building brick post 1 by laying bricks or stones, lay first topping 51 in the said step 1 in the bottom of brick post 1 correspondence position.In the said step 2 before installing the first steel pipe falsework 21, before installing the second steel pipe falsework 22, second topping 52 is set in the bottom of its correspondence position all in the said step 4.On the first steel pipe falsework 21, be provided with vertical bridging 23 in the said step 2, on the second steel pipe falsework 22, be provided with vertical bridging 23 in the said step 4.Adopt artificial auxiliary small mechanical equipment to remove when removing brick post 1 in the said step 5.
Among the present invention; Said first topping 51 adopts malthoid; Second topping 52 adopts the thick sheeting caps of 50mm; Said template 4 adopts the thick veneer of 18mm, and adopting specification between the template 4 and the first steel pipe falsework 21, the second steel pipe falsework 22 is that the flitch of 60 * 80mm supports, and above material all can adopt other suitable same or similar materials with function that has to replace.On the first steel pipe falsework 21 and the second steel pipe falsework 22, adding vertical bridging 23 can make falsework more firm; Generally, support height whenever adds horizontal cross brace one when surpassing four meters at a distance from two steps by structure.When brick post 1 is highly not enough, available cement mortar or other suitable material place mats.The present invention can support the ater-casting structure on two sides after both sides, ater-casting steel pipe support is removed, guarantee stability and the safety of ater-casting structure on two sides in whole construction course.
Claims (7)
1. job practices of propping up top ater-casting structure on two sides with the brick post is characterized in that: may further comprise the steps:
Step 1: build brick post (1) to the end absolute altitude that reaches the design floor of the beam and slab structure (32) that supports both sides, ater-casting (31) by laying bricks or stones and reserve the position of laying template (4);
Step 2: after brick post (1) lays, set up the first steel pipe falsework (21) and the template (4) of the beam and slab structure (32) that supports both sides, ater-casting (31), carry out building of beam and slab structure (32) then;
Step 3: when the strength grade of concrete of treating ater-casting (31) both sides beam and slab structure (32) reaches requirement, remove the first steel pipe falsework (21), brick post (1) independently bears the load of beam and slab structure (32);
Step 4: install the second steel pipe falsework (22) at position, ater-casting (31), sealing ater-casting (31);
Step 5: treat ater-casting (31) and ater-casting (31) both sides beam and slab structure (32) fuse and reach intensity after remove brick post (1).
2. a kind of job practices of propping up ater-casting, top structure on two sides with the brick post according to claim 1; It is characterized in that: building brick post (1) by laying bricks or stones before in the said step 1; According to the principle of required supporting load of the every side in ater-casting and brick post equivalent, confirm the size and the spacing of brick post (1).
3. a kind of job practices of propping up top ater-casting structure on two sides with the brick post according to claim 1 is characterized in that: building brick post (1) by laying bricks or stones before in the said step 1, the position of brick post (1) is positioned unwrapping wire; Setting up the first steel pipe falsework (21) before in the said step 2, the position of the first steel pipe falsework (21) is being positioned unwrapping wire; Installing the second steel pipe falsework (22) before in the said step 4, the position of the second steel pipe falsework (22) is being positioned unwrapping wire.
4. a kind of job practices of propping up ater-casting, top structure on two sides with the brick post according to claim 1 is characterized in that: building brick post (1) by laying bricks or stones before in the said step 1, laying first topping (51) in the bottom of brick post (1) correspondence position.
5. a kind of job practices of propping up top ater-casting structure on two sides with the brick post according to claim 1 is characterized in that: installing the first steel pipe falsework (21) before, second topping (52) all is set before installing the second steel pipe falsework (22) in the bottom of its correspondence position in the said step 4 in the said step 2.
6. a kind of job practices of propping up ater-casting, top structure on two sides with the brick post according to claim 1; It is characterized in that: on the first steel pipe falsework (21), be provided with vertical bridging (23) in the said step 2, on the second steel pipe falsework (22), be provided with vertical bridging (23) in the said step 4.
7. a kind of job practices of propping up ater-casting, top structure on two sides with the brick post according to claim 1 is characterized in that: adopt artificial auxiliary small mechanical equipment to remove when removing brick post (1) in the said step 5.
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| CN2012100638210A CN102561690A (en) | 2012-03-12 | 2012-03-12 | Construction method for supporting structures on two sides of post-cast strip by use of brick column |
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| CN2012100638210A CN102561690A (en) | 2012-03-12 | 2012-03-12 | Construction method for supporting structures on two sides of post-cast strip by use of brick column |
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Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102828616A (en) * | 2012-09-14 | 2012-12-19 | 中国建筑第八工程局有限公司 | High-formwork support system for roof |
| CN103147573A (en) * | 2013-03-19 | 2013-06-12 | 成军 | Natatorium roof beam slab high formwork construction method |
| CN103758347A (en) * | 2014-01-20 | 2014-04-30 | 常州第一建筑集团有限公司 | Support underpinning method of large-span reinforced concrete beam-slab structure post-cast strips |
| CN104131583A (en) * | 2014-07-30 | 2014-11-05 | 中建四局第五建筑工程有限公司 | Novel post-cast strip supporting structure and construction technology thereof |
| CN104153508A (en) * | 2014-09-02 | 2014-11-19 | 中国建筑第八工程局有限公司 | Floor construction structure and method |
| CN106284845A (en) * | 2015-05-26 | 2017-01-04 | 五冶集团上海有限公司 | A kind of post-cast strip reinforced concrete structural column independence support system construction method |
| CN110043035A (en) * | 2019-02-25 | 2019-07-23 | 中天西北建设投资集团有限公司 | A kind of novel post empiricism method for supporting |
| CN110565946A (en) * | 2019-07-31 | 2019-12-13 | 常州第一建筑集团有限公司 | Construction method for supporting post-cast strip of basement of large-scale overhanging structure building |
| CN111058628A (en) * | 2020-01-14 | 2020-04-24 | 福建建工集团有限责任公司 | Construction method of post-cast strip formwork support system |
| CN114086737A (en) * | 2021-11-25 | 2022-02-25 | 中国水利水电第十工程局有限公司 | Construction method for suspending bottom support of elevator shaft by using shock isolation system |
| CN114541809A (en) * | 2022-02-15 | 2022-05-27 | 中国十七冶集团有限公司 | Supporting system for building structure pouring and construction process |
| CN114855884A (en) * | 2022-06-09 | 2022-08-05 | 安徽建工集团股份有限公司总承包分公司 | Construction method facilitating early backfill of post-cast strip of underground foundation structure |
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Cited By (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102828616A (en) * | 2012-09-14 | 2012-12-19 | 中国建筑第八工程局有限公司 | High-formwork support system for roof |
| CN102828616B (en) * | 2012-09-14 | 2015-03-18 | 中国建筑第八工程局有限公司 | High-formwork support system for roof |
| CN103147573A (en) * | 2013-03-19 | 2013-06-12 | 成军 | Natatorium roof beam slab high formwork construction method |
| CN103758347A (en) * | 2014-01-20 | 2014-04-30 | 常州第一建筑集团有限公司 | Support underpinning method of large-span reinforced concrete beam-slab structure post-cast strips |
| CN104131583A (en) * | 2014-07-30 | 2014-11-05 | 中建四局第五建筑工程有限公司 | Novel post-cast strip supporting structure and construction technology thereof |
| CN104153508A (en) * | 2014-09-02 | 2014-11-19 | 中国建筑第八工程局有限公司 | Floor construction structure and method |
| CN106284845A (en) * | 2015-05-26 | 2017-01-04 | 五冶集团上海有限公司 | A kind of post-cast strip reinforced concrete structural column independence support system construction method |
| CN110043035A (en) * | 2019-02-25 | 2019-07-23 | 中天西北建设投资集团有限公司 | A kind of novel post empiricism method for supporting |
| CN110043035B (en) * | 2019-02-25 | 2022-03-15 | 中天西北建设投资集团有限公司 | Post-cast strip construction supporting method |
| CN110565946A (en) * | 2019-07-31 | 2019-12-13 | 常州第一建筑集团有限公司 | Construction method for supporting post-cast strip of basement of large-scale overhanging structure building |
| CN111058628A (en) * | 2020-01-14 | 2020-04-24 | 福建建工集团有限责任公司 | Construction method of post-cast strip formwork support system |
| CN114086737A (en) * | 2021-11-25 | 2022-02-25 | 中国水利水电第十工程局有限公司 | Construction method for suspending bottom support of elevator shaft by using shock isolation system |
| CN114541809A (en) * | 2022-02-15 | 2022-05-27 | 中国十七冶集团有限公司 | Supporting system for building structure pouring and construction process |
| CN114855884A (en) * | 2022-06-09 | 2022-08-05 | 安徽建工集团股份有限公司总承包分公司 | Construction method facilitating early backfill of post-cast strip of underground foundation structure |
| CN114855884B (en) * | 2022-06-09 | 2024-03-29 | 安徽建工集团股份有限公司总承包分公司 | Construction method for facilitating advanced backfilling of post-cast strip of underground foundation structure |
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Application publication date: 20120711 |