CN103790376A - Wall framework applied to hyperboloid building construction and wall construction method - Google Patents
Wall framework applied to hyperboloid building construction and wall construction method Download PDFInfo
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- CN103790376A CN103790376A CN201410075585.3A CN201410075585A CN103790376A CN 103790376 A CN103790376 A CN 103790376A CN 201410075585 A CN201410075585 A CN 201410075585A CN 103790376 A CN103790376 A CN 103790376A
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Abstract
The invention provides a wall framework applied to hyperboloid building construction and a wall construction method and relates to the technical field of building construction. The problems that the existing wall framework material consumption amount is large, an assembling relation is complicated, the construction period is long and cost is increased are solved. The wall framework comprises an inner formwork, an outer formwork, an inner formwork supporting frame and an outer formwork supporting frame, wherein the inner formwork and the outer formwork are matched, and the inner formwork supporting frame and the outer formwork supporting frame are used for supporting. The inner formwork supporting frame comprises a first cross bar, a first inclined strut and a first vertical rod. The first cross bar and the first inclined strut are fixed to the two ends of the inner formwork, wherein ends of the first cross bar and the first inclined strut are crossed. The end, away from the inner formwork, of the first cross bar is supported by a lower-portion annular girder framed bent system through the first vertical rod. The construction method includes the following steps that firstly, a wall framework group is erected and comprises at least two wall frameworks and walls are correspondingly cast one by one from the first wall to the mth wall; secondly, the first wall formwork is detached and assembled onto the mth wall formwork, and the (m+1)th wall formwork is cast; thirdly, the second step is repeated and casting is carried out one by one until the (m+n)th wall is formed in a casting mode.
Description
Technical field
The present invention relates to technical field of building construction, particularly a kind of wall mould base for hyperboloid architecture construction, and the construction method of hyperboloid building masonry wall.
Background technology
In hyperboloid building, the control of the sectional dimension of concrete component, offset deviation, verticality is all many than ordinary concrete Structural Engineering difficulty, therefore complicated construction technique, the more difficult control of construction quality.Take the construction of hyperboloid cooling tower as example, hyperboloid wall form adopts the loose mould of scaffold tubes to support more, sets up full hall scaffold, and materials demand amount is large, and assembled relation is loaded down with trivial details; And this construction method needs large area repeated disassembled and assembled, not only working procedure is many, and working strength is large, and the construction period is long, has increased engineering cost.
Summary of the invention
Adopt the loose mould of scaffold tubes to support for existing hyperboloid wall form, materials demand amount is large and assembled relation is loaded down with trivial details, and construction method operation is many, and working strength is large, and the construction period is long, the problem that engineering cost increases.The object of this invention is to provide a kind of construction method of wall mould base and body of wall for hyperboloid architecture construction; utilize the small size template of wall mould base to realize the construction of hyperboloid building; can avoid loaded down with trivial details formwork link; each working procedure overlap joint is accurate; efficiency of construction improves, and has saved the duration, has reduced engineering cost; and wall mould base can be recycled, and material turnover is promoted.
The technical solution adopted for the present invention to solve the technical problems: wall mould base is set up in the framed bent system of described hyperboloid building bottom ring beam, comprising:
The inner formword matching and exterior sheathing;
And for supporting the inner formword bracing frame of described inner formword;
For supporting the exterior sheathing bracing frame of described exterior sheathing;
Described inner formword bracing frame comprises cross bar one, diagonal brace one and montant one, the described cross bar one that intersect end is fixedly connected with formation triangle support frame with described diagonal brace one with the two ends of described inner formword, and one end away from described inner formword of described cross bar one is supported on by described montant one in the framed bent system of described hyperboloid building bottom ring beam;
Described exterior sheathing bracing frame comprises cross bar two, diagonal brace two and montant two, the described cross bar two that intersect end is fixedly connected with the two ends of described exterior sheathing with described diagonal brace two and forms another triangle support frame, and one end away from described exterior sheathing of described cross bar two is supported in the framed bent system of described hyperboloid building bottom ring beam by described montant two.
Further, two wall mould bases that horizontal direction is adjacent are fixedly connected with by connecting rod.
Between two described cross bars one that horizontal direction is adjacent, be equipped with scaffold floor one, and one end away from inner formword of described cross bar one is provided with guardrail one; Between two described cross bars two that horizontal direction is adjacent, be equipped with scaffold floor two, and one end away from exterior sheathing of described cross bar two is provided with guardrail two.
The construction method that adopts the hyperboloid building masonry wall of described wall mould base, step is as follows:
Step 1: set up wall mould base group in the framed bent system of described hyperboloid building bottom ring beam, described wall mould base group comprises at least two joint wall mould bases, the bottom-up first segment wall mould base that is followed successively by, and m joint wall mould base, and build section by section the first segment body of wall of corresponding described hyperboloid building ... and m joint body of wall;
Step 2: pull down described first segment wall mould base, described first segment wall mould base is assembled on described m joint wall mould base, and build the m+1 joint body of wall being integrated with described m joint wall connecting;
Step 3: repeating said steps two, progressively pull down the described wall mould base of a joint that is positioned at described wall mould base group below, and be erected on the described wall mould base of a joint that is positioned at described wall mould base group top, so move in circles and build section by section to m+n joint body of wall;
Wherein, m is more than or equal to 2 integer, and n is more than or equal to 1 integer.
Preferably, set up in the work progress of wall mould base group in described step 1, in the time that the concrete strength of first segment body of wall is more than or equal to 2MPa, on described first segment wall mould base, set up described second section wall mould base, and build described second section body of wall, so repeatedly until set up m joint wall mould base and build m joint body of wall.
Preferably, in described step 1, montant one and the montant two of described m joint wall mould base are fixed in respectively on the cross bar one and cross bar two of m-1 joint wall mould base.
Preferably, in described step 2, when the concrete strength of described first segment body of wall reaches form removal requirement, and the concrete strength of m-1 joint body of wall is while being more than or equal to 2MPa, pulls down described first segment wall mould base and be erected on described m-1 joint wall mould base to form m joint wall mould base.
In described step 2, before pulling down m-1 joint wall mould base, installation hanging basket on described m joint wall mould base, before pulling down described m joint wall mould base, removes described construction hanging basket be arranged on m+1 joint wall mould base.
Preferably, described m-1 joint wall mould base outside is also coated with safety net, and the upper end of described safety net is fixed on described m+1 joint wall mould base by safety net pole, and the lower end of described safety net is fixed on described m joint wall mould base.
Before the inner formword and exterior sheathing envelope mould concreting of described m-1 joint wall mould base, the embedded bar described in colligation in m-1 joint wall mould base also arranges concrete pad.
Effect of the present invention is:
One, wall mould base simple structure of the present invention, can the flexible dismounting in job site, upper joint wall mould base is supported on lower joint wall mould base by montant one and montant two, the full hall scaffold adopting compared to existing technology, wall mould base of the present invention can be set up flexibly along the bearing of trend of hyperboloid body of wall, and not only assembling is more convenient, has improved efficiency of construction, and reduced the material usage of scaffold, reduce construction cost.
Two, construction method of the present invention, employing has the mould bases group pouring construction hyperboloid body of wall of at least two joint wall mould bases, wall mould base is assembled section by section, dismounting is simple and easy, flexibly and easily, when the concrete strength of next joint wall mould base of wall mould base group reaches, form removal requires and the concrete strength of m joint body of wall reaches after designing requirement, pull down next joint wall mould base, be erected at the installation that completes m+1 joint wall mould base on m joint wall mould base, pouring construction makes m+1 joint body of wall subsequently, realize and so forth the construction of hyperboloid cooling tower body of wall m+n joint body of wall, utilize wall mould base group of the present invention to carry out over-form construction, avoid traditional loaded down with trivial details formwork link, each working procedure overlap joint is accurate, efficiency of construction improves, save the duration, reduce engineering cost, and wall mould base can be recycled, material turnover is promoted.
Accompanying drawing explanation
Fig. 1 to Fig. 5 is the flow chart that adopts hyperboloid building wall body construction of the present invention.
The specific embodiment
What below in conjunction with the drawings and specific embodiments, the present invention is proposed is described in further detail for the wall mould base of hyperboloid architecture construction and the construction method of body of wall.According to explanation and claims below, advantages and features of the invention will be clearer.It should be noted that, accompanying drawing all adopts very the form of simplifying and all uses non-ratio accurately, only in order to convenient, the object of the aid illustration embodiment of the present invention lucidly.
In conjunction with Fig. 1 to Fig. 3, the wall mould base for hyperboloid architecture construction of the present invention is described, the present embodiment is to adopt the construction of hyperboloid cooling tower body of wall of ring foundation as example, and the process of assembling wall mould base on lower ring illustrates structure and the annexation of wall mould base.
As shown in Figure 1, described wall mould base comprises the inner formword 10a and the exterior sheathing 10b that match, and for the inner formword bracing frame of support internal mould plate 10a, for supporting the exterior sheathing bracing frame of exterior sheathing 10b.Inner formword bracing frame comprises cross bar one 21a, diagonal brace one 23a and montant one 22a, crossing cross bar one 21a in end is connected with the bolts at two ends of inner formword 10a with diagonal brace one 23a and forms triangle support frame, one end away from inner formword 10a of cross bar one 21a is supported on by montant one 22a on the cross bar 1 of framed bent system of lower ring, the bottom of inner formword 10a is fixed on lower ring, to guarantee that inner formword 10a's is firm.Exterior sheathing 10b also adopts similar structure to fix, exterior sheathing bracing frame comprises cross bar two 21b, diagonal brace two 23b and montant two 22b, crossing cross bar two 21b in end are connected with the bolts at two ends of exterior sheathing 10b with diagonal brace two 23b and form another triangle support frame, one end away from exterior sheathing 10b of cross bar two 21b is supported on by montant two 22b on the cross bar 1 of framed bent system of lower ring, upper, the bottom of exterior sheathing 10b is fixed on lower ring.
Due to the cross section of cooling tower body of wall to be built ringwise, therefore, two wall mould bases that horizontal direction is adjacent are all fixedly connected with by the connecting rod (not shown) of hoop, and inner formword 10a and exterior sheathing 10b are radially arranged along cooling tower walling body to be poured.
After the main body frame of wall mould base has built, between two cross bar one 21a that (hoop) is adjacent in the horizontal direction, lay continuous scaffold floor one 24a, for the follow-up construction of staff provides safe and reliable operating platform, and one end away from inner formword 10a of cross bar one 21a is also provided with continuous guardrail one 25a, further to improve the safety of construction.Similarly, between adjacent two cross bar two 21b of horizontal direction, be equipped with scaffold floor two 24b, and one end away from exterior sheathing 10b of cross bar two 24b is provided with guardrail two 25b.In the present embodiment, the width of scaffold floor one 24a and scaffold floor two 24b is preferably 1.5m.
The inner formword 10a that completes location is fixedly connected with by split bolt with exterior sheathing 10b, forms the chamber of walling body to be poured.In addition, on inner formword 10a and exterior sheathing 10b, be equipped with and enclose purlin 2, to improve the rigidity of formwork support structure.
In the process of hyperboloid cooling tower body of wall pouring construction, need set up the above-mentioned wall mould base of at least two joints along the direction of walling body to be poured, as depicted in figs. 1 and 2, on lower ring, set up after first segment wall mould base 20, build body of wall and make first segment body of wall 20c, in the time that first segment body of wall 20c concrete strength is more than or equal to 2MPa, on above-mentioned first segment wall mould base 20, assemble second section wall mould base 30, now, montant one 32a and montant two 32b of second section wall mould base 30 are all fixed on first segment wall mould base 20, concreting makes second section body of wall 30c, build section by section and so forth to m joint body of wall.
Wall mould base simple structure of the present invention, can the flexible dismounting in job site, upper joint wall mould base is supported on lower joint wall mould base by montant one and montant two, the full hall scaffold that the loose mould of scaffold tubes adopting compared to existing technology supports, wall mould base of the present invention can be set up flexibly along the bearing of trend of hyperboloid body of wall, and not only assembling is more convenient, has improved efficiency of construction, and reduced the material usage of scaffold tubes, reduce construction cost.
The construction method of hyperboloid building masonry wall of the present invention is described in conjunction with Fig. 1 to Fig. 5, and the present embodiment is still take the construction of hyperboloid cooling tower body of wall as example, and step is as follows:
Step 1: set up wall mould base group in the lower ring framed bent system of hyperboloid cooling tower, wall mould base group comprises at least two joint wall mould bases, the bottom-up first segment wall mould base 20 that is followed successively by, second section wall mould base 30 ... and m joint wall mould base, and build section by section first segment body of wall 20c, the second section body of wall 30c of corresponding hyperboloid building ... and m joint body of wall;
Step 2: pull down first segment wall mould base 20, first segment wall mould base 20 is assembled on m joint wall mould base, and build the m+1 joint body of wall being integrated with m joint wall connecting;
Step 3: repeat above-mentioned steps two, progressively pull down a joint wall mould base that is positioned at wall mould base group below, and be erected on a joint wall mould base that is positioned at wall mould base group top, that is to say, progressively pull down in wall mould base group next joint wall mould base, and be erected at and in wall mould base group, go up most on a joint wall mould base, so move in circles and build section by section to m+n joint body of wall;
Wherein, m is more than or equal to 2 integer, and n is more than or equal to 1 integer.
Construction method of the present invention, employing has the wall mould base group pouring construction hyperboloid body of wall of at least two joint wall mould bases, wall mould base is assembled section by section, install simple and easy and flexible, when the concrete strength of next joint wall mould base of wall mould base group reaches, form removal requires and the concrete strength of m joint body of wall reaches after designing requirement, can pull down next joint wall mould base, be erected at the installation that completes m+1 joint wall mould base on m joint wall mould base, pouring construction makes m+1 joint body of wall subsequently, realize and so forth the construction of hyperboloid cooling tower body of wall m+n joint body of wall, utilize wall mould base group of the present invention to carry out over-form construction, avoid traditional loaded down with trivial details formwork link, each working procedure overlap joint is accurate, efficiency of construction improves, save the duration, reduce engineering cost, and wall mould base can be recycled, material turnover is promoted.
The wall mould base group that construction method of the present invention adopts, sets up without framed bent, and directly by tower crane, mould and parts assembly are turned in transportation, have saved template and have set up the support measure expense in process, have also saved cost of labor simultaneously.
In addition, inner formword 10a and exterior sheathing 10b adopt the little punching block that specification is 1m × 1.3m to make, and adjacent punching block junction adopts wide cut adhesive tape to paste seam, can guarantee the clear water concrete face of hyperboloid body of wall and the construction quality of the thin portion of seam after form removable.
Further, set up in the work progress of wall mould base group in step 1, in the time that the concrete strength of first segment body of wall 20c is more than or equal to 2MPa, on first segment wall mould base 20, set up second section wall mould base 30, and build second section body of wall 30c.Now, the intensity of first segment body of wall 20c enough supports the weight of second section wall mould base 30 and walls concrete, and can not deform or displacement, guarantee the stable of its top wall mould base structure, so repeatedly until set up m joint wall mould base and build to m joint body of wall.
For realizing the longitudinal support of wall mould base, in step 1, montant one 22a and montant two 22b of first segment wall mould base 20 are all fixed in the framed bent system of lower ring, and the inner formword 10a of first segment wall mould base 20 and exterior sheathing 10b be all fixed on the lower ring of having built, Stability Analysis of Structures.Therefore, when montant one 32a of second section wall mould base 30 and montant two 32b were separately fixed at cross bar one 21a of first segment wall mould base 20 and cross bar two 21b when upper, the intensity of first segment wall mould base 20 and first segment body of wall 20c is enough to support the weight of second section wall mould base 30 and walls concrete, realizes thus the fixing of more piece wall mould base.
In above-mentioned steps two, when the concrete strength of first segment body of wall 20c reaches form removal requirement, and when the concrete strength of m joint body of wall is more than or equal to 2MPa, pulls down first segment wall mould base 20 and be erected at and on m joint wall mould base, form m+1 joint wall mould base.When first segment wall mould base 20 is removed, the concrete strength of first segment body of wall 20c need guarantee that its surface, corner angle are not damaged because of form removal, and under normal temperature, desired strength reaches 1N/mm conventionally
2.Certainly, after first segment wall mould base 20 is removed, the weight main support of second section wall mould base 30 and concrete wall is upper in first segment body of wall 20c, and montant one 32a of second section wall mould base 30 and montant two 32b do not play a supportive role, and also remove thereupon.
Further, before pulling down m-1 joint wall mould base, installation hanging basket (3a, 3b) on m joint wall mould base, before pulling down m joint wall mould base, construction hanging basket (3a, 3b) is removed and is arranged on m+1 joint wall mould base, and m-1 joint wall mould base outside is also coated with safety net (5a, 5b), prevents falling object from high altitude etc.The upper end of safety net (5a, 5b) is fixed on m+1 joint wall mould base by safety net pole (4a, 4b), the lower end of safety net (5a, 5b) is fixed on m joint wall mould base, so circulation, in construction hanging basket (3a, 3b) and the propelling section by section of safety net (5a, 5b) with body of wall pouring construction, move, realize recycling of construction equipment.
In addition, in above-mentioned steps one, before the inner formword 10a of first segment wall mould base 20 and exterior sheathing 10b are fixing, colligation embedded bar in first segment body of wall 20c to be built, and concrete pad is installed in order to control the thickness of walling body to be poured, after the enclosing purlin 2 and be connected of inner formword 10a and exterior sheathing 10b, tighten through-wall bolt by inner formword 10a and exterior sheathing 10b locking, prevent concrete spillage.Similarly, the connection of template in other joint bodies of wall, and in body of wall to be poured, the setting of embedded bar, concrete hollow cushion block is identical with it, repeats no more herein.
In pouring construction process due to above-mentioned cooling tower body of wall, the intensity that first segment body of wall 20c concrete strength reaches form removal requirement takes longer, therefore the mode of two joint wall mould base circulations, efficiency of construction is lower, the comparatively preferred wall construction mode of the present invention is three joints that wall mould base is set to overlap successively, and bottom-up is first segment wall mould base 20, second section wall mould base 30 and Section of three wall mould base 40.Now, as shown in Figures 1 to 5, after Section of three body of wall 40c built, first segment body of wall 20c concrete strength has reached the requirement of strength of form removal, staff pulls down first segment wall mould base 20 on construction hanging basket (3a, 3b), and above-mentioned first segment wall mould base 20 is moved on Section of three wall mould base 40 and is assembled into Section of four wall mould base 50, as mentioned before, concreting makes Section of four body of wall 50c to assemble method.Now, construction hanging basket (3a, 3b) moves on Section of three wall mould base 40 fixing, simultaneously safety net (5a, 5b) also with on move, treat that Section of four body of wall 50c concrete strength is more than or equal to 2MPa, and second section body of wall 30c concrete strength reaches after form removal requirement, remove second section wall mould base 30, and be assembled in and on Section of four wall mould base 50, form Section of five wall mould base ..., so circulation is until built m+n joint body of wall.Visible, the construction method of three joint wall mould bases, constructs continuously and the time is fully utilized, and operating efficiency effectively improves; It is compared with the construction method of the above wall mould base of four joints, and the turnover rate of wall mould base is higher, and construction cost also reduces relatively.
Foregoing description is only the description to preferred embodiment of the present invention, the not any restriction to the scope of the invention, and any change, modification that the those of ordinary skill in field of the present invention does according to above-mentioned disclosure, all belong to the protection domain of claims.
Claims (10)
1. for the wall mould base of hyperboloid architecture construction, be set up in the framed bent system of described hyperboloid building bottom ring beam, it is characterized in that, comprising:
The inner formword matching and exterior sheathing;
And for supporting the inner formword bracing frame of described inner formword;
For supporting the exterior sheathing bracing frame of described exterior sheathing;
Described inner formword bracing frame comprises cross bar one, diagonal brace one and montant one, the described cross bar one that intersect end is fixedly connected with formation triangle support frame with described diagonal brace one with the two ends of described inner formword, and one end away from described inner formword of described cross bar one is supported on by described montant one in the framed bent system of described hyperboloid building bottom ring beam;
Described exterior sheathing bracing frame comprises cross bar two, diagonal brace two and montant two, the described cross bar two that intersect end is fixedly connected with the two ends of described exterior sheathing with described diagonal brace two and forms another triangle support frame, and one end away from described exterior sheathing of described cross bar two is supported in the framed bent system of described hyperboloid building bottom ring beam by described montant two.
2. wall mould base according to claim 1, is characterized in that: two wall mould bases that horizontal direction is adjacent are fixedly connected with by connecting rod.
3. wall mould base according to claim 2, is characterized in that: between two described cross bars one that horizontal direction is adjacent, be equipped with scaffold floor one, and one end away from inner formword of described cross bar one is provided with guardrail one; Between two described cross bars two that horizontal direction is adjacent, be equipped with scaffold floor two, and one end away from exterior sheathing of described cross bar two is provided with guardrail two.
4. the construction method that adopts the hyperboloid building masonry wall of wall mould base as described in claims 1 to 3 any one claim, step is as follows:
Step 1: set up wall mould base group in the framed bent system of described hyperboloid building bottom ring beam, described wall mould base group comprises at least two joint wall mould bases, the bottom-up first segment wall mould base that is followed successively by, and m joint wall mould base, and build section by section the first segment body of wall of corresponding described hyperboloid building ... and m joint body of wall;
Step 2: pull down described first segment wall mould base, described first segment wall mould base is assembled on described m joint wall mould base, and build the m+1 joint body of wall being integrated with described m joint wall connecting;
Step 3: repeating said steps two, progressively pull down the described wall mould base of a joint that is positioned at described wall mould base group below, and be erected on the described wall mould base of a joint that is positioned at described wall mould base group top, so move in circles and build section by section to m+n joint body of wall;
Wherein, m is more than or equal to 2 integer, and n is more than or equal to 1 integer.
5. construction method according to claim 4, it is characterized in that: set up in the work progress of wall mould base group in described step 1, in the time that the concrete strength of first segment body of wall is more than or equal to 2MPa, on described first segment wall mould base, set up described second section wall mould base, and build described second section body of wall, so repeatedly until set up m joint wall mould base and build m joint body of wall.
6. construction method according to claim 4, is characterized in that: in described step 1, montant one and the montant two of described m joint wall mould base are fixed in respectively on the cross bar one and cross bar two of m-1 joint wall mould base.
7. according to the construction method described in claim 4 to 6 any one claim, it is characterized in that: in described step 2, when the concrete strength of described first segment body of wall reaches form removal requirement, and when the concrete strength of m-1 joint body of wall is more than or equal to 2MPa, pulls down described first segment wall mould base and be erected on described m-1 joint wall mould base and form m joint wall mould base.
8. construction method according to claim 4, it is characterized in that: in described step 2, before pulling down m-1 joint wall mould base, installation hanging basket on described m joint wall mould base, before pulling down described m joint wall mould base, described construction hanging basket is removed and is arranged on m+1 joint wall mould base.
9. construction method according to claim 8, it is characterized in that: described m-1 joint wall mould base outside is also coated with safety net, the upper end of described safety net is fixed on described m+1 joint wall mould base by safety net pole, and the lower end of described safety net is fixed on described m joint wall mould base.
10. construction method according to claim 4, is characterized in that: before the inner formword and exterior sheathing envelope mould concreting of described m-1 joint wall mould base, the embedded bar described in colligation in m-1 joint wall mould base also arranges concrete pad.
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| CN104120827A (en) * | 2014-07-23 | 2014-10-29 | 浙江省一建建设集团有限公司 | Ship rail type bare concrete wallboard and construction method thereof |
| CN104120883A (en) * | 2014-08-06 | 2014-10-29 | 辽宁舜德国泰科工贸有限公司 | Construction method for non-removal fire-prevention heat-preservation building component formwork |
| CN114753615A (en) * | 2022-03-31 | 2022-07-15 | 中国建筑第五工程局有限公司 | Construction method of double-curved-surface S-shaped fair-faced concrete wall |
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| CN104120883B (en) * | 2014-08-06 | 2016-01-06 | 辽宁舜德国泰科工贸有限公司 | Exempt from the construction method of tearing fireproof heat insulating building unit template open |
| CN114753615A (en) * | 2022-03-31 | 2022-07-15 | 中国建筑第五工程局有限公司 | Construction method of double-curved-surface S-shaped fair-faced concrete wall |
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