CN106032704A - Construction method for using concrete columns to support structures on both sides of post-pouring strip - Google Patents
Construction method for using concrete columns to support structures on both sides of post-pouring strip Download PDFInfo
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- CN106032704A CN106032704A CN201510118450.5A CN201510118450A CN106032704A CN 106032704 A CN106032704 A CN 106032704A CN 201510118450 A CN201510118450 A CN 201510118450A CN 106032704 A CN106032704 A CN 106032704A
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Abstract
The invention provides a construction method for using concrete columns to support structures on both sides of a post-pouring strip. The method comprises following steps: 1. erecting concrete column forms for concrete columns which are used for supporting beam slab structures on two sides of the post-pouring strip, concreting the concrete columns till the columns reach the bottom elevation of a floor slab, and reserving positions for laying out floor slab forms; 2. erecting a first steel pipe formwork support and floor slab forms which is used for supporting the beam slab structures on two sides of the post-pouring strip, and concreting the beam slab structures; 3. removing the first steel pipe formwork support, and allowing the concrete columns to independently bearing load of the beam slab structures; 4. erecting a second steel pipe formwork support at the post-pouring strip, and closing the post-pouring strip; 5. removing the concrete columns when the post-pouring strip is integrally connected with the beam slab structures on two sides of the post-pouring strip and the post-pouring strip reaches the required strength. By the construction method, the structures on two sides of the post-pouring strip can be supported after the steel pipe formworks on two sides of the post-pouring strip are removed, and stability and safety of the structures on two sides of the post-pouring strip are guaranteed in the whole construction process.
Description
Technical field
The present invention relates to building engineering field, be specifically related to a kind of construction method with concrete column support top post-cast strip structure on two sides.
Background technology
For preventing monolithic reinforced concrete structure due to temperature, shrinking uneven issuable harmful cracks in construction, differential settlement is produced between building body and podium, according to design or job specfication requirement, stay in the relevant position of floor, beam and set post-cast strip, if structure to be temporarily divided into stem portion, shrink through component inside, water again after the some time and smash post-cast strip concrete, structure is linked to be entirety.Owing to the setting of post-cast strip makes the stress of original structure temporarily change, in work progress, post-cast strip two side template and steel pipe support thereof are not removed, but in view of situations such as real material transport, steel pipe lease expenses, both sides, part post-cast strip steel pipe support needs to remove, and reliable strutting means must be taked while removing to ensure that structure is in the stability of construction stage and safety.
Summary of the invention
The technical problem to be solved is to provide a kind of construction method with concrete column support top post-cast strip structure on two sides, after both sides, post-cast strip steel pipe support is removed, support post-cast strip structure on two sides, it is ensured that post-cast strip structure on two sides stability in whole work progress and safety.
For solving above-mentioned existing technical problem, the present invention uses following scheme: a kind of construction method with concrete column support top post-cast strip structure on two sides, comprises the following steps:
Step one: install the concrete column template of the concrete column of the contignation supporting both sides, post-cast strip, casting concrete post is to reaching the end absolute altitude of design floor the reserved position laying slab form；
Step 2: after concrete column pours and reaches intensity, sets up the first steel pipe formwork support and the slab form of the contignation supporting both sides, post-cast strip, then carries out pouring of contignation；
Step 3: when the strength grade of concrete of both sides, post-cast strip contignation reaches requirement, removing the first steel pipe formwork support, concrete column independently bears the load of contignation；
Step 4: install second steel pipe formwork support at position, post-cast strip, closes post-cast strip；
Step 5: dismantling concrete post after post-cast strip is connected with both sides, post-cast strip contignation and reaches intensity.
As preferably, in described step one before installing concrete column template, according to supporting load needed for every side, post-cast strip and the principle of concrete column equivalent, determine size and the spacing of concrete column.So structure and stress of concrete column is relatively more reasonable, not only ensure that construction quality but also avoid owing to the concrete column pouring excess causes waste.
As preferably, in described step one before installing concrete column template, the position of concrete column is carried out line setting；In described step 2 before setting up the first steel pipe formwork support, the position of the first steel pipe formwork support is carried out line setting；In described step 4 before installing the second steel pipe formwork support, the position of the second steel pipe formwork support is carried out line setting.Line setting is more accurate to the location positioning of concrete column and steel pipe formwork support, and construction quality is higher, and safety is good.
As preferably, in described step one before installing concrete column template, lay the first protective layer in the bottom of concrete column correspondence position.Protective layer is avoided that or reduces when concrete column is removed and damages original structure.
As preferably, in described step 2 before installing the first steel pipe formwork support, in described step 4, before installing the second steel pipe formwork support, all bottoms at its correspondence position arrange the second protective layer.Avoid the first steel pipe formwork support and the second steel pipe formwork support that original structure is damaged.
As preferably, described step 2 is provided with in the first steel pipe formwork support vertical bridging, described step 4 is provided with in the second steel pipe formwork support vertical bridging.It is more firm that bridging makes falsework support.
As preferably, described step 5 use human assistance small mechanical equipment remove during dismantling concrete post.It is safer that human assistance small mechanical equipment such as impacts the Demolition Constructions such as brill.
Beneficial effect: a kind of construction method with concrete column support top post-cast strip structure on two sides that the present invention uses that technique scheme provides, after both sides, post-cast strip steel pipe support is removed, support post-cast strip structure on two sides, it is ensured that post-cast strip structure on two sides stability in whole work progress and safety.
Accompanying drawing explanation
Fig. 1 is that the concrete column of the present invention pours schematic diagram.
Fig. 2 is that the post-cast strip structure on two sides steel pipe formwork support of the present invention sets up schematic diagram.
Fig. 3 is that position, the post-cast strip steel pipe formwork support of the present invention sets up schematic diagram.
Fig. 4 is that the concrete column of the present invention removes schematic diagram.
Detailed description of the invention
As shown in Figures 1 to 4, a kind of construction method with concrete column support top post-cast strip structure on two sides, comprise the following steps:
Step one: install the concrete column template of the concrete column 1 of the contignation 32 supporting both sides, post-cast strip 31, casting concrete post 1 is to reaching the end absolute altitude of design floor the reserved position laying slab form 4；
Step 2: after concrete column 1 pours and reaches intensity, sets up the first steel pipe formwork support 21 and the slab form 4 of the contignation 32 supporting both sides, post-cast strip 31, then carries out pouring of contignation 32；
Step 3: when the strength grade of concrete of both sides, post-cast strip 31 contignation 32 reaches requirement, removing the first steel pipe formwork support 21, concrete column 1 independently bears the load of contignation 32；
Step 4: install second steel pipe formwork support 22 at position, post-cast strip 31, closes post-cast strip 31；
Step 5: dismantling concrete post 1 after post-cast strip 31 is connected with both sides, post-cast strip 31 contignation 32 and reaches intensity.
In described step one before installing concrete column template 1, according to supporting load needed for every side, post-cast strip and the principle of concrete column equivalent, determine size and the spacing of concrete column 1.In described step one before installing concrete column template, the position of concrete column 1 is carried out line setting；In described step 2 before setting up the first steel pipe formwork support 21, the position of the first steel pipe formwork support 21 is carried out line setting；In described step 4 before installing the second steel pipe formwork support 22, the position of the second steel pipe formwork support 22 is carried out line setting.In described step one before installing concrete column template, lay the first protective layer 51 in the bottom of concrete column 1 correspondence position.In described step 2 before installing the first steel pipe formwork support 21, in described step 4, before installing the second steel pipe formwork support 22, all bottoms at its correspondence position arrange the second protective layer 52.Described step 2 is provided with in the first steel pipe formwork support 21 vertical bridging 23, described step 4 is provided with in the second steel pipe formwork support 22 vertical bridging 23.Described step 5 use human assistance small mechanical equipment remove during dismantling concrete post 1.
In the present invention, it is also possible to set up the falsework of the first steel pipe formwork support and concrete column, concrete column pours together with contignation simultaneously.So can reduce working procedure, save the engineering time, compared be applicable to story height relatively low time.In the present invention; described first protective layer 51 uses malthoid; second protective layer 52 uses the sheeting caps that 50mm is thick; template 4 uses the plywood that 18mm is thick; the flitch using specification to be 60 × 80mm between template 4 and first steel pipe formwork support the 21, second steel pipe formwork support 22 supports, and above material all can use other suitably to have the replacement of the material of equivalent effect.Adding vertical bridging 23 in the first steel pipe formwork support 21 and the second steel pipe formwork support 22 makes falsework more firm；Typically add one horizontal cross brace by structure every two steps when support height is more than four meters.When concrete column 1 is highly not enough, available water cement mortar or other suitable material place mats.The present invention can support post-cast strip structure on two sides after both sides, post-cast strip steel pipe support is removed, it is ensured that post-cast strip structure on two sides stability in whole work progress and safety.
Claims (7)
1. one kind with the construction method of concrete column support top post-cast strip structure on two sides, it is characterised in that: comprise the following steps:
Step one: install the concrete column template of the concrete column (1) of the contignation (32) supporting post-cast strip (31) both sides, casting concrete post (1) is to reaching the end absolute altitude of design floor the reserved position laying slab form (4)；
Step 2: after concrete column (1) pours and reaches intensity, sets up the first steel pipe formwork support (21) and the slab form (4) of the contignation (32) supporting post-cast strip (31) both sides, then carries out pouring of contignation (32)；
Step 3: when the strength grade of concrete of post-cast strip (31) both sides contignation (32) reaches requirement, removes the first steel pipe formwork support (21), and concrete column (1) independently bears the load of contignation (32)；
Step 4: install second steel pipe formwork support (22) at post-cast strip (31) position, closes post-cast strip (31)；
Step 5: dismantling concrete post (1) after post-cast strip (31) are connected with post-cast strip (31) both sides contignation (32) and reach intensity.
A kind of construction method with concrete column support top post-cast strip structure on two sides the most according to claim 1, it is characterized in that: in described step one before installing concrete column template, according to supporting load needed for every side, post-cast strip and the principle of concrete column equivalent, determine size and the spacing of concrete column (1).
A kind of construction method with concrete column support top post-cast strip structure on two sides the most according to claim 1, it is characterised in that: in described step one before installing concrete column template, the position of concrete column (1) is carried out line setting；In described step 2 before setting up the first steel pipe formwork support (21), the position of the first steel pipe formwork support (21) is carried out line setting；In described step 4 before installing the second steel pipe formwork support (22), the position of the second steel pipe formwork support (22) is carried out line setting.
A kind of construction method with concrete column support top post-cast strip structure on two sides the most according to claim 1; it is characterized in that: in described step one before installing concrete column template, lay the first protective layer (51) in the bottom of concrete column (1) correspondence position.
A kind of construction method with concrete column support top post-cast strip structure on two sides the most according to claim 1, it is characterised in that: in described step 2 before installing the first steel pipe formwork support (21), in described step 4, before installing the second steel pipe formwork support (22), the most all bottoms at its correspondence position arrange the second protective layer (52).
A kind of construction method with concrete column support top post-cast strip structure on two sides the most according to claim 1, it is characterized in that: described step 2 is provided with in the first steel pipe formwork support (21) vertical bridging (23), described step 4 is provided with in the second steel pipe formwork support (22) vertical bridging (23).
A kind of construction method with concrete column support top post-cast strip structure on two sides the most according to claim 1, it is characterised in that: described step 5 use human assistance small mechanical equipment remove during dismantling concrete post (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510118450.5A CN106032704A (en) | 2015-03-18 | 2015-03-18 | Construction method for using concrete columns to support structures on both sides of post-pouring strip |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510118450.5A CN106032704A (en) | 2015-03-18 | 2015-03-18 | Construction method for using concrete columns to support structures on both sides of post-pouring strip |
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| CN106032704A true CN106032704A (en) | 2016-10-19 |
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| CN201510118450.5A Pending CN106032704A (en) | 2015-03-18 | 2015-03-18 | Construction method for using concrete columns to support structures on both sides of post-pouring strip |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106759966A (en) * | 2016-12-28 | 2017-05-31 | 山东万鑫建设有限公司 | Pouring after settlement shaped steel transition mast temporary support construction method |
| CN106906953A (en) * | 2017-04-24 | 2017-06-30 | 山东科技大学 | It is a kind of to be previously applied concrete column of confined pressure and preparation method thereof, reinforcement means |
| CN108756227A (en) * | 2018-06-05 | 2018-11-06 | 温州市中强建设工程有限公司 | The structure on two sides and its construction method of a kind of concrete column support top post-cast strip |
| 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 |
| CN113700157A (en) * | 2021-09-02 | 2021-11-26 | 中国建筑第五工程局有限公司 | Concrete constructional column supporting method for roof post-cast strip |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102587659A (en) * | 2012-03-12 | 2012-07-18 | 中天建设集团有限公司 | Construction method for using concrete columns to support structures on both sides of post-pouring strip |
| JP5441187B2 (en) * | 2011-09-12 | 2014-03-12 | 中日本ハイウェイ・エンジニアリング名古屋株式会社 | Bridge joint structure |
-
2015
- 2015-03-18 CN CN201510118450.5A patent/CN106032704A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5441187B2 (en) * | 2011-09-12 | 2014-03-12 | 中日本ハイウェイ・エンジニアリング名古屋株式会社 | Bridge joint structure |
| CN102587659A (en) * | 2012-03-12 | 2012-07-18 | 中天建设集团有限公司 | Construction method for using concrete columns to support structures on both sides of post-pouring strip |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106759966A (en) * | 2016-12-28 | 2017-05-31 | 山东万鑫建设有限公司 | Pouring after settlement shaped steel transition mast temporary support construction method |
| CN106906953A (en) * | 2017-04-24 | 2017-06-30 | 山东科技大学 | It is a kind of to be previously applied concrete column of confined pressure and preparation method thereof, reinforcement means |
| CN106906953B (en) * | 2017-04-24 | 2019-04-02 | 山东科技大学 | A kind of concrete column that confining pressure is previously applied and preparation method thereof, reinforcement means |
| CN108756227A (en) * | 2018-06-05 | 2018-11-06 | 温州市中强建设工程有限公司 | The structure on two sides and its construction method of a kind of concrete column support top post-cast strip |
| 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 |
| CN113700157A (en) * | 2021-09-02 | 2021-11-26 | 中国建筑第五工程局有限公司 | Concrete constructional column supporting method for roof post-cast strip |
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Application publication date: 20161019 |