CN103321403A - Erecting method and structure of piece-by-piece assembling formworks at position of interlayer outer wall construction joint - Google Patents
Erecting method and structure of piece-by-piece assembling formworks at position of interlayer outer wall construction joint Download PDFInfo
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- CN103321403A CN103321403A CN2013102288907A CN201310228890A CN103321403A CN 103321403 A CN103321403 A CN 103321403A CN 2013102288907 A CN2013102288907 A CN 2013102288907A CN 201310228890 A CN201310228890 A CN 201310228890A CN 103321403 A CN103321403 A CN 103321403A
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Abstract
The invention discloses an erecting method of piece-by-piece assembling formworks at the position of an interlayer outer wall construction joint. The method comprises the following steps of (1) erecting an inner side formwork and an outer side formwork with elevation lower than that of a concrete floor slab top plate at the side portion of a concrete outer wall body to be poured, (2) placing a fixed formwork along the horizontal pass length of an upper port of the outer side formwork, (3) enabling an embedded part to penetrate the concrete outer wall body to be poured and the fixed formwork, (4) performing concrete pouring of an outer wall and a floor slab and dismounting the inner side formwork and the outer side formwork after the pouring is finished, (5) using the fixed formwork as a basis, repeating the steps to perform erection of the upper-layer formworks and the concrete pouring, (6) dismounting the lower-layer fixed formwork and cutting off the portion of the embedded part extending out of the outer wall after the upper-layer concrete pouring is finished, (7) repeating the steps (5) and (6) to finish construction of the whole outer wall body. By means of the erecting method of the piece-by-piece assembling formworks at the position of the interlayer outer wall construction joint, joint-free combination of wall bodies is ensured, and grout leakage and slab staggering are avoided.
Description
Technical field
The present invention refers in particular to loose formwork erection method and the structure of piecing together in a kind of interlayer external wall construction seam place about a kind of formwork erection method and structure.
Background technology
Concrete structure mainly is made of reinforcing bar, template, concrete three large subitems, and wherein, form work engineering is the most complicated, a work items of amount of labour used maximum, and it has become the key factor that affects workmanship, programming.Although widely popularize now typing masterplate, all-steel big shuttering etc., various other new type formworks are also in continuous appearance,, the characteristics such as loosely piece together that template is low with its cost, convenient transportation, assembly unit are flexible are still in occupation of most of market.Yet along with the workmanship requirement is more and more higher, the shortcomings such as its piece, spillage, faulting of slab ends, distortion are also more and more obvious, not only affect structural safety and presentation quality, also can increase very large post-processed expense, affect carrying out of various work.Especially the thin section at interlayer external wall construction seam place processes, and the spillage that piece does not sternly cause and faulting of slab ends are puzzlement people's a difficult problem for a long time always.In case spillage and faulting of slab ends phenomenon occur, deal with very trouble, the effort of taking a lot of work is more expensive, and untimely processing affects again image.
Therefore, each unit actively takes different measures to carry out pre-control, as: the people is arranged at outer wall template bottom pad one elongated flitch, the method can reduce spillage, but the faulting of slab ends phenomenon usually occurs; Someone sets up sponge strip at exterior wall, and the method is had relatively high expectations to complete concrete wall outer edge glacing flatness, otherwise can't jam-packed, still the phenomenons such as spillage and faulting of slab ends can occur; Someone adds a timber wedge in the keel place each time in the wall form bottom, makes the adjacent body of wall of template, the method, and the timber waste is large, and can the pair cross-section size exert an influence; Similar method is a lot, differ and with, but all can't guarantee template and complete concrete wall close contact, thereby tackle the problem at its root.
Summary of the invention
Because the problems referred to above the invention provides the loose formwork erection method of piecing together in a kind of interlayer external wall construction seam place, may further comprise the steps:
(1) installs the outboard template that an inner side template and an absolute altitude are lower than the concrete floor top elevation at concrete exterior wall body of wall sidepiece to be built;
(2) place a fixed form along described outboard template horizontal full-length suitable for reading, described fixed form extends upward described concrete floor top board;
(3) built-in fitting is passed concrete exterior wall body of wall described to be built and described fixed form;
(4) carry out the concreting of exterior wall and floor, build finish after, remove described inner side template and outboard template;
(5) repeating step (1) carries out installing and concrete of upper former to (4), and wherein, the outboard template of upper former installs as the basis take described fixed form;
(6) after upper strata concreting is finished, remove the fixed form of lower floor and the built-in fitting that exterior wall is stretched out in excision;
(7) repeating step (5) and (6) are finished the construction of whole outer wall body.
The further improvement of the method is, in step (2) afterwards, also comprise step (21): in the outside of described inner side template, outboard template and fixed form, configure secondary joist, main joist and reinforce check by size and spacing through calculative determination.
The further improvement of the method is, described built-in fitting is a pre embedded bolt, one end of described pre embedded bolt wears into concrete exterior wall body of wall to be built, and the other end of described pre embedded bolt stretches out concrete exterior wall body of wall to be built, and further passes described fixed form.
The further improvement of the method is, the end that described pre embedded bolt wears into concrete exterior wall body of wall to be built is welded with a vertical reinforcing bar.
In order to cooperate the enforcement of said method, the present invention also provides a kind of interlayer external wall construction seam place the loose formwork structure of piecing together, comprise inner side template and an outboard template of being located at the concrete exterior wall body of wall sidepiece of building to be poured, the absolute altitude of described outboard template is lower than the absolute altitude of concrete floor top board by a preset value, be placed with a width greater than the fixed form of described preset value along described outboard template horizontal full-length suitable for reading, and described fixed form is anchored on the concrete exterior wall body of wall of building after finishing by a built-in fitting.
The further improvement of this structure is, described built-in fitting is a pre embedded bolt, and an end of described pre embedded bolt wears into concrete exterior wall body of wall to be built, and the other end of described pre embedded bolt stretches out concrete exterior wall body of wall to be built.
The further improvement of this structure is, the end that described pre embedded bolt wears into concrete exterior wall body of wall to be built is welded with a vertical reinforcing bar.
Adopt the loose formwork erection method of piecing together in interlayer external wall construction seam of the present invention place, after having built concrete, do not remove fixed form and pre embedded bolt, only remove the template of remainder, the vertical reinforcing bar of pre embedded bolt can form a mutual grasp with concrete, guarantee template firmly.When installing the upper strata outboard template, its bottom is joined mould take fixed form as the basis, and its top is configured by above-mentioned same method, then by through the size of calculative determination and spacing configuration secondary joist, main joist and reinforce, check etc.After upper strata concreting is finished, remove again the fixed form of outboard template bottom, upper strata, and excise simultaneously the pre embedded bolt that stretches out exterior wall, so repeat construction, finish the construction of whole exterior wall.
The present invention has following beneficial effect owing to having adopted technique scheme:
1, because in building the concrete process of levels, fixed form remains that original position is motionless, has guaranteed the seamless combination of itself and concrete wall, avoids occurring spillage and faulting of slab ends phenomenon.
2, owing to having installed fixed form, what make exterior wall other parts template has installed the basis that depends on, convenient operation.
3, because fixed form exceeds the absolute altitude of floor top board, inspection and the check of glacing flatness and the sectional dimension of outboard template have been made things convenient for.
4, after the form removable, the levels seam is tight, and mortar is full, and organoleptic quality is good, can directly carry out the decoration of exterior wall construction.
Description of drawings
Fig. 1 is the loose flow chart of piecing together the formwork erection method in interlayer external wall construction seam of the present invention place.
Fig. 2 is the loose configuration schematic diagram of piecing together the fixed form of formwork erection structure in interlayer external wall construction seam of the present invention place.
Fig. 3 is the loose configuration schematic diagram of piecing together the pre embedded bolt of formwork erection structure in interlayer external wall construction seam of the present invention place.
Fig. 4 is the loose structure chart of piecing together the pre embedded bolt of formwork erection structure in interlayer external wall construction seam of the present invention place.
Fig. 5 be interlayer external wall construction seam of the present invention place loose piece together formwork erection method lower-layer concrete build finish after the configuration schematic diagram of upper former.
The specific embodiment
In order to make purpose of the present invention, technical scheme and advantage clearer, below in conjunction with drawings and Examples, the present invention is further elaborated.Should be appreciated that specific embodiment described herein only in order to explain the present invention, is not intended to limit the present invention.
Cooperation is referring to shown in Figure 2, the loose formwork structure of piecing together in interlayer external wall construction seam of the present invention place, comprise an inner side template of being located at concrete exterior wall body of wall 80 sidepieces of building to be poured 10 and outboard template 20, the absolute altitude of described outboard template 20 is lower than the absolute altitude of concrete floor 90 top boards 901 by a preset value, be placed with a width greater than the fixed form 30 of described preset value along described outboard template 20 horizontal full-length suitable for reading, and described fixed form 30 is anchored on the concrete exterior wall body of wall of building after finishing by a built-in fitting.By size and spacing through calculative determination, configuration secondary joist, main joist 50 and screw rod 60 also reinforced check again.
Cooperation is referring to Fig. 3, shown in Figure 4, described built-in fitting is a pre embedded bolt 40, one end of described pre embedded bolt 40 wears into concrete exterior wall body of wall 80 to be built, and be welded with a vertical reinforcing bar 401, the other end of described pre embedded bolt 40 stretches out concrete exterior wall body of wall 80 to be built, and further passes described fixed form 30.
In a preferred embodiment of the present invention, the absolute altitude of described outboard template 20 is lower than the absolute altitude 200mm of concrete floor 90 top boards 901.The width of described fixed form 30 is 400mm, makes it to fill up the 200mm of outboard template 20 relative concrete floor 90 top boards 901 deficiencies, and exceeds 200 than concrete floor 90 top boards 901, has guaranteed the seamless combination of levels concrete wall.Described pre embedded bolt 40 is arranged on the position of the absolute altitude 100mm that is lower than concrete floor 90 top boards 901, inserts from inside to outside, and is after the adjustment level, firm with the tied silk colligation.
In conjunction with shown in Figure 1, the loose formwork erection method of piecing together in interlayer external wall construction seam of the present invention place may further comprise the steps:
S1 installs the outboard template 20 that an inner side template 10 and an absolute altitude are lower than top board 901 absolute altitudes of concrete floor 90 at the sidepiece of concrete exterior wall body of wall 80 to be built;
S2 places a fixed form 30 along described outboard template 20 horizontal full-length suitable for reading, and described fixed form 30 extends upward the top board 901 of described concrete floor 90;
S3 passes concrete exterior wall body of wall 80 described to be built and described fixed form 30 with a built-in fitting (being pre embedded bolt 40 shown in the figure);
S4 carries out the concreting of exterior wall and floor, in conjunction with shown in Figure 5, after having built concrete seven 0, do not remove fixed form 30 and pre embedded bolt 40, only remove inner side template 10 and outboard template 20, the vertical reinforcing bar 41 of pre embedded bolt 40 can form a mutual grasp with concrete seven 0, guarantee template firmly;
S5 repeating step S1 is to S4, carry out installing and concrete of upper former, wherein, when installing the upper strata outboard template, its bottom is joined mould take fixed form 30 as the basis, its top is configured to the S4 same method by step S1, then by through the size of calculative determination and spacing configuration secondary joist, main joist 50 and reinforce, check etc.
S6 removes the fixed form 30 of lower floor and the pre embedded bolt 40 that exterior wall is stretched out in excision after upper strata concreting is finished;
S7 repeating step S5 and S6 finish the construction of whole outer wall body.
The above only is preferred embodiment of the present invention, be not that the present invention is done any pro forma restriction, although the present invention discloses as above with preferred embodiment, yet be not to limit the present invention, any those skilled in the art, in the scope that does not break away from technical solution of the present invention, when the technology contents that can utilize above-mentioned announcement is made a little change or is modified to the equivalent embodiment of equivalent variations, in every case be the content that does not break away from technical solution of the present invention, any simple modification that foundation technical spirit of the present invention is done above embodiment, equivalent variations and modification all still belong in the scope of technical solution of the present invention.
Claims (7)
1. an interlayer external wall construction seam place falls apart and pieces together the formwork erection method, it is characterized in that may further comprise the steps:
(1) installs the outboard template that an inner side template and an absolute altitude are lower than the concrete floor top elevation at concrete exterior wall body of wall sidepiece to be built;
(2) place a fixed form along described outboard template horizontal full-length suitable for reading, described fixed form extends upward described concrete floor top board;
(3) built-in fitting is passed concrete exterior wall body of wall described to be built and described fixed form;
(4) carry out the concreting of exterior wall and floor, build finish after, remove described inner side template and outboard template;
(5) repeating step (1) carries out installing and concrete of upper former to (4), and wherein, the outboard template of upper former installs as the basis take described fixed form;
(6) after upper strata concreting is finished, remove the fixed form of lower floor and the built-in fitting that exterior wall is stretched out in excision;
(7) repeating step (5) and (6) are finished the construction of whole outer wall body.
2. the loose formwork erection method of piecing together in interlayer external wall construction seam as claimed in claim 1 place, it is characterized in that in step (2) afterwards, also comprise step (21): in the outside of described inner side template, outboard template and fixed form, configure secondary joist, main joist and reinforce check by size and spacing through calculative determination.
3. the loose formwork structure of piecing together in interlayer external wall construction seam as claimed in claim 1 place, it is characterized in that described built-in fitting is a pre embedded bolt, one end of described pre embedded bolt wears into concrete exterior wall body of wall to be built, the other end of described pre embedded bolt stretches out concrete exterior wall body of wall to be built, and further passes described fixed form.
4. the loose formwork structure of piecing together in interlayer external wall construction seam place as claimed in claim 3 is characterized in that the end that described pre embedded bolt wears into concrete exterior wall body of wall to be built is welded with a vertical reinforcing bar.
5. an interlayer external wall construction seam place falls apart and pieces together formwork structure, comprise inner side template and an outboard template of being located at the concrete exterior wall body of wall sidepiece of building to be poured, it is characterized in that: the absolute altitude of described outboard template is lower than the absolute altitude of concrete floor top board by a preset value, be placed with a width greater than the fixed form of described preset value along described outboard template horizontal full-length suitable for reading, and described fixed form is anchored on the concrete exterior wall body of wall of building after finishing by a built-in fitting.
6. the loose formwork structure of piecing together in interlayer external wall construction seam as claimed in claim 5 place, it is characterized in that described built-in fitting is a pre embedded bolt, one end of described pre embedded bolt wears into concrete exterior wall body of wall to be built, the other end of described pre embedded bolt stretches out concrete exterior wall body of wall to be built, and further passes described fixed form.
7. the loose formwork structure of piecing together in interlayer external wall construction seam place as claimed in claim 6 is characterized in that the end that described pre embedded bolt wears into concrete exterior wall body of wall to be built is welded with a vertical reinforcing bar.
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| CN201310228890.7A CN103321403B (en) | 2013-06-08 | 2013-06-08 | Dissipate at interlayer external wall construction seam and spell formwork erection method and structure |
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| CN201310228890.7A CN103321403B (en) | 2013-06-08 | 2013-06-08 | Dissipate at interlayer external wall construction seam and spell formwork erection method and structure |
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| CN106088580A (en) * | 2016-06-08 | 2016-11-09 | 中国十七冶集团有限公司 | A kind of skin external corner |
| CN106245827A (en) * | 2016-08-30 | 2016-12-21 | 中建八局第四建设有限公司 | A kind of shear wall construction method |
| CN106760522A (en) * | 2016-11-30 | 2017-05-31 | 中国冶集团有限公司 | A kind of concrete structure seam crossing prevents swollen mould mortar leakage prevention fixing device and method |
| CN109518697A (en) * | 2018-12-12 | 2019-03-26 | 中铁局集团厦门建设工程有限公司 | The construction method of form concrete between a kind of subway station fender post |
| CN109577648A (en) * | 2018-12-12 | 2019-04-05 | 中建四局第六建筑工程有限公司 | A kind of connection structure of outer wall template bottom |
| CN110761322A (en) * | 2019-09-23 | 2020-02-07 | 中国一冶集团有限公司 | Cast-in-place pipe gallery side wall horizontal construction joint reinforcing structure and construction method thereof |
| CN116657910A (en) * | 2023-06-16 | 2023-08-29 | 中国建筑第四工程局有限公司 | Formwork-free construction method for flat space structure top plate |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105113784A (en) * | 2015-09-20 | 2015-12-02 | 刘其标 | Bare-concrete inner-outer wall main steel formwork structure body |
| CN106088580A (en) * | 2016-06-08 | 2016-11-09 | 中国十七冶集团有限公司 | A kind of skin external corner |
| CN106245827A (en) * | 2016-08-30 | 2016-12-21 | 中建八局第四建设有限公司 | A kind of shear wall construction method |
| CN106760522A (en) * | 2016-11-30 | 2017-05-31 | 中国冶集团有限公司 | A kind of concrete structure seam crossing prevents swollen mould mortar leakage prevention fixing device and method |
| CN109518697A (en) * | 2018-12-12 | 2019-03-26 | 中铁局集团厦门建设工程有限公司 | The construction method of form concrete between a kind of subway station fender post |
| CN109577648A (en) * | 2018-12-12 | 2019-04-05 | 中建四局第六建筑工程有限公司 | A kind of connection structure of outer wall template bottom |
| CN110761322A (en) * | 2019-09-23 | 2020-02-07 | 中国一冶集团有限公司 | Cast-in-place pipe gallery side wall horizontal construction joint reinforcing structure and construction method thereof |
| CN116657910A (en) * | 2023-06-16 | 2023-08-29 | 中国建筑第四工程局有限公司 | Formwork-free construction method for flat space structure top plate |
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