CN104420656A - Traction tension forming mounting method of spherical rib annular type cable dome structure - Google Patents
Traction tension forming mounting method of spherical rib annular type cable dome structure Download PDFInfo
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- CN104420656A CN104420656A CN201310382531.7A CN201310382531A CN104420656A CN 104420656 A CN104420656 A CN 104420656A CN 201310382531 A CN201310382531 A CN 201310382531A CN 104420656 A CN104420656 A CN 104420656A
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Abstract
The invention relates to construction mounting of a cable dome, in particular to a construction mounting method of the cable dome structure with glass bearing secondary cable net. Traction equipment and a tool cable are arranged at the corresponding position of the periphery slightly higher than an outer pressing ring of a cable dome and are connected with an outer ring ridge cable and an inner pulling ring component, the inner pulling ring and the outer ring ridge cable are evenly and synchronously pulled, and secondary cable nets, ring cables, supporting rod, inclined cables and the like are expanded and mounted while pulling lifting is carried out. When the ring cable on the outmost portion is away from the ground, mounting is completed; the outer ring ridge cable and an inner pulling ring tool are pulled synchronously until the outer ring ridge cable, the inclined cables and the secondary cable nets are connected in place, and final forming is achieved by stretching and drawing the inclined cable on the outmost ring. A large amount of arithmetical operation is not needed, and plenty of supporting tower trusses are eliminated.
Description
Technical field
The present invention relates to cable dome structure construction and installation, particularly relate to the cable dome structure construction installation method with glass support time rope net.
Background technology
Cable dome is made up of draw ring and outer press ring in notochord, oblique cord, strop, depression bar and necessity, belongs to the full tension structure system of prestressing force self-balancing, and it is the high structural system of a kind of reasonable stress, structure efficiency.Cable dome must pass through stretch-draw, sets up necessary prestressing force in the structure, just has the larger rigidity of structure, with bearing load and maintenance shape.More cable dome structure manufacturing process is adopted mainly to comprise geometric method installation, stretch-draw notochord manufacturing process etc. at present both at home and abroad, all need to carry out complicated mathematical operation and adopt a large amount of supporting tower frames just can complete installation, finally causing that difficulty of construction strengthens, the construction period compared with long, construction operation security risk is large.
Summary of the invention
The present invention is intended to the above-mentioned defect solving prior art, provides a kind of spherical rib-ring-shaped cable dome structure traction stretch-draw forming mounting method.The present invention does not need to carry out a large amount of mathematical operations, eliminates a large amount of support tower yet.
For solving the problem, a kind of spherical rib-ring-shaped cable dome structure traction stretch-draw forming mounting method of the present invention, described spherical rib-ring-shaped cable dome structure is with glass support time rope net, and it comprises:
1st step: install pulling equipment, traction tension operation platform on outer press ring beam, install lifting means in the position a little more than outer-ring beam;
2nd step: draw ring and notochord net in installation near the ground, installs between draw ring and promotes frock rope in Cable dome external pressure ring beam and ground, installs traction frock rope between outer press ring beam and ground outer shroud notochord;
3rd step: alternately promote and traction frock rope, mounting stay, strop, oblique cord and glass support time rope net, completes the assembling of rope leverage successively, strictly controls guy cable length and cord clip position in process, totally guarantees that rope leverage is in " ω " shape;
4th step: within draw ring to promote frock rope be main, with traction frock rope, whole rope leverage is promoted traction to high-altitude;
5th step: no longer promote close to during level when lifting frock rope and horizontal plane angle are less than 5 °, only draw outer notochord, make the rope head of outer notochord close to support lug;
6th step: draw the most outer shroud radial cable of outer notochord and glass support and be connected with support lug in place, remove and promote frock rope and traction frock rope;
7th step: by rope head adjusting device, suitably lengthen outer shroud oblique cord (12), draws the spreading frock rope of outer oblique cord, the upper rope head of outer oblique cord is connected with support lug, then removes spreading frock rope;
8th step: synchronous grading tension outer shroud oblique cord, force in control cable and position shape, based on force in control cable, make structure stretch-draw forming.
Described one spherical rib-ring-shaped cable dome structure traction stretch-draw forming mounting method; It is characterized in that, it also comprises: the 9th step: adopt drag-line dynamometer to check outer shroud notochord and the radial cable force of glass support, carry out secondary mend stretch-draw for being caused the drag-line not reaching designing requirement by construction error.
Described one spherical rib-ring-shaped cable dome structure traction stretch-draw forming mounting method, it is characterized in that, what described traction tension operation platform comprised that centre leaves a blank holds concurrently as the base of upper people's platform, base side is provided with two columns, diagonal member is provided with: column top also has inverted L shape suspended end, is provided with safety rope bottom suspended end and between column between column top and the base other end.
Described one spherical rib-ring-shaped cable dome structure traction stretch-draw forming mounting method, described lifting frock rope is steel strand, and nominal Fracture Force is greater than 260kN; One end is provided with earth anchor and is pinned on interior draw ring otic placode, and promote the cylinder that frock is an open upper end lower end perforate, inside be provided with the centre-hole jack controlled by Boosting pumping station, openend is provided with an anchor ear and is fixed on traction tension operation platform, and described lifting frock rope is through the hole and the centre-hole jack that promote frock.
The present invention arranges pulling equipment according at the periphery correspondence position a little more than Cable dome outer press ring, frock rope, with outer shroud notochord, interior draw ring component is connected, draw ring and outer shroud notochord in even sync pulling, time rope net is installed in the expansion of traction enhancement limit, limit, each ring strop, strut, oblique cord etc., install after most outer shroud strop leaves ground, sync pulling outer shroud notochord, interior draw ring frock rope is until outer shroud notochord, oblique cord and secondary rope net connect in place, finally be shaped by the most outer shroud oblique cord of staged stretched, finally carry out cable force monitoring, to the hypodynamic outer shroud oblique cord of the stretch-draw caused by construction error, glass support rope carries out benefit stretch-draw.The present invention does not need to carry out a large amount of mathematical operations, eliminates a large amount of support tower yet, by the most outer shroud oblique cord of stretch-draw, is structural entity Tension Forming.Make the installation difficulty of Cable dome, stretch-draw difficulty significantly reduces, installation on ground construction can security risk reduce.The present invention installs for cable dome structure and has a wide range of applications.
Accompanying drawing explanation
Below in conjunction with accompanying drawing to further instruction of the present invention:
Fig. 1 is the 1st, 2 step schematic diagrames;
Fig. 2 is the 3rd step schematic diagram;
Fig. 3 is that 4-5 walks schematic diagram;
Fig. 4 is the 6th step schematic diagram;
Fig. 5 is the 7th step schematic diagram;
Fig. 6 is the 8th step schematic diagram;
Fig. 7 is that the operating platform schematic diagram that rises is drawn in described traction;
Fig. 8 is described lifting frock rope and promotes frock schematic diagram.
Detailed description of the invention
As shown in figs 1 to 6, in figure, 17 is ground, a kind of spherical rib-ring-shaped cable dome structure traction stretch-draw forming mounting method, and described spherical rib-ring-shaped cable dome structure is with glass support time rope net, and it comprises:
1st step: install pulling equipment, traction tension operation platform 18 on outer press ring beam 13, install lifting means in the position a little more than outer-ring beam;
2nd step: draw ring 1 and notochord net 2,3,4 in installation near the ground, installs between draw ring 1 and promotes frock rope 14 in Cable dome external pressure ring beam 13 and ground, installs traction frock rope 15 between outer press ring beam 13 and ground outer shroud notochord 4;
3rd step: alternately promote and traction frock rope, mounting stay 6,8 successively, strop 10,11, oblique cord 5,7,12 and glass support time rope net 9, complete the assembling of rope leverage, strict control guy cable length and cord clip position in process, totally guarantee that rope leverage is in " ω " shape;
4th step: within draw ring to promote frock rope 14 be main, with traction frock rope 15, whole rope leverage is promoted traction to high-altitude;
5th step: no longer promote close to during level when lifting frock rope 14 is less than 5 ° with horizontal plane angle, only draw outer notochord 4, make the rope head of outer notochord 4 close to support lug 13;
6th step: draw the most outer shroud radial cable 9 of outer notochord 4 and glass support and be connected in place with support lug 13, remove and promote frock rope 14 and traction frock rope 15;
7th step: by rope head adjusting device, suitably lengthen outer shroud oblique cord 12, draws the spreading frock rope 16 of outer oblique cord, the upper rope head of outer oblique cord 12 is connected with support lug 13, then removes spreading frock rope 16;
8th step: synchronous grading tension outer shroud oblique cord 12, force in control cable and position shape, based on force in control cable, make structure stretch-draw forming.
9th step: adopt drag-line dynamometer to check outer shroud notochord 4 and glass support radial cable 9 Suo Li, carries out secondary for being caused the drag-line not reaching designing requirement by construction error and mends stretch-draw.
Described traction tension operation platform 18 comprises the base 181 of middle reserved drag-line and traction, tensioning equipment passage, base side is provided with two columns 182, diagonal member 183 is provided with: column top also has inverted L shape suspended end 184, is provided with safety rope 185 bottom suspended end and between column between column top and the base other end.
Described lifting frock rope 14 is steel strand, and nominal Fracture Force is greater than 260kN; One end is provided with earth anchor 141 and is pinned on interior draw ring otic placode 142, and promote the cylinder that frock 19 is an open upper end lower end perforate, inside be provided with the centre-hole jack 20 controlled by Boosting pumping station 21, openend is provided with an anchor ear 192 and is fixed on traction tension operation platform, and described lifting frock rope is through the hole and the centre-hole jack that promote frock.
Claims (4)
1. a spherical rib-ring-shaped cable dome structure traction stretch-draw forming mounting method, described spherical rib-ring-shaped cable dome structure is with glass support time rope net, and it is characterized in that, it comprises:
1st step: install pulling equipment, traction tension operation platform on outer press ring beam (13), install lifting means in the position a little more than outer-ring beam;
2nd step: draw ring (1) and notochord net (2,3,4) in installation near the ground, install between draw ring (1) in Cable dome external pressure ring beam (13) and ground and promote frock rope (14), between outer press ring beam (13) and ground outer shroud notochord (4), traction frock rope (15) is installed;
3rd step: alternately promote and traction frock rope, mounting stay (6,8), strop (10 successively, 11), oblique cord (5,7,12) and glass support time rope net (9), complete the assembling of rope leverage, strict control guy cable length and cord clip position in process, totally guarantee that rope leverage is in " ω " shape;
4th step: within draw ring to promote frock rope (14) be main, with traction frock rope (15), whole rope leverage is promoted traction to high-altitude;
5th step: no longer promote close to during level when lifting frock rope (14) and horizontal plane angle are less than 5 °, only draw outer notochord (4), make the rope head of outer notochord (4) close to support lug (13);
6th step: draw the most outer shroud radial cable (9) of outer notochord (4) and glass support and be connected in place with support lug (13), remove and promote frock rope (14) and draw frock rope (15);
7th step: by rope head adjusting device, suitably lengthen outer shroud oblique cord (12), draws the spreading frock rope (16) of outer oblique cord, the upper rope head of outer oblique cord (12) is connected with support lug (13), then removes spreading frock rope (16);
8th step: synchronous grading tension outer shroud oblique cord (12), force in control cable and position shape, based on force in control cable, make structure stretch-draw forming.
2. one according to claim 1 spherical rib-ring-shaped cable dome structure traction stretch-draw forming mounting method; It is characterized in that, it also comprises: the 9th step: adopt drag-line dynamometer to check outer shroud notochord (4) and glass support radial cable (9) Suo Li, carries out secondary mend stretch-draw for being caused the drag-line not reaching designing requirement by construction error.
3. one according to claim 1 spherical rib-ring-shaped cable dome structure traction stretch-draw forming mounting method, it is characterized in that, what described traction tension operation platform comprised that centre leaves a blank holds concurrently as the base of upper people's platform, base side is provided with two columns, diagonal member is provided with: column top also has inverted L shape suspended end, is provided with safety rope bottom suspended end and between column between column top and the base other end.
4. one according to claim 1 spherical rib-ring-shaped cable dome structure traction stretch-draw forming mounting method, it is characterized in that, described lifting frock rope is steel strand, and nominal Fracture Force is greater than 260kN; One end is provided with earth anchor and is pinned on interior draw ring otic placode, and promote the cylinder that frock is an open upper end lower end perforate, inside be provided with the centre-hole jack controlled by Boosting pumping station, openend is provided with an anchor ear and is fixed on traction tension operation platform, and described lifting frock rope is through the hole and the centre-hole jack that promote frock.
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| CN201310382531.7A CN104420656A (en) | 2013-08-29 | 2013-08-29 | Traction tension forming mounting method of spherical rib annular type cable dome structure |
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| CN201310382531.7A CN104420656A (en) | 2013-08-29 | 2013-08-29 | Traction tension forming mounting method of spherical rib annular type cable dome structure |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106013812A (en) * | 2016-05-18 | 2016-10-12 | 东南大学 | Support-free overhead zip line construction method of two-way single-layer cable net structure |
| CN107034992A (en) * | 2017-06-07 | 2017-08-11 | 山东建筑大学 | A kind of band winds up the Geiger dome structure and construction forming method of stiffening ring bar |
| CN107806205A (en) * | 2017-09-20 | 2018-03-16 | 中国核工业华兴建设有限公司 | A kind of mounting structure and installation method of unlined steel dome |
| CN109057362A (en) * | 2018-09-05 | 2018-12-21 | 北京奇力建通工程技术有限公司 | A kind of Suo Cheng network rope system traction tensioning integral construction method and equipment |
| CN113417368A (en) * | 2021-06-07 | 2021-09-21 | 中建深圳装饰有限公司 | High-space large-span fold-line-shaped cable membrane structure and construction method thereof |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106013812A (en) * | 2016-05-18 | 2016-10-12 | 东南大学 | Support-free overhead zip line construction method of two-way single-layer cable net structure |
| CN107034992A (en) * | 2017-06-07 | 2017-08-11 | 山东建筑大学 | A kind of band winds up the Geiger dome structure and construction forming method of stiffening ring bar |
| CN107034992B (en) * | 2017-06-07 | 2019-10-18 | 山东建筑大学 | A kind of band winds up the Geiger dome structure and construction forming method of stiffening ring bar |
| CN107806205A (en) * | 2017-09-20 | 2018-03-16 | 中国核工业华兴建设有限公司 | A kind of mounting structure and installation method of unlined steel dome |
| CN109057362A (en) * | 2018-09-05 | 2018-12-21 | 北京奇力建通工程技术有限公司 | A kind of Suo Cheng network rope system traction tensioning integral construction method and equipment |
| CN109057362B (en) * | 2018-09-05 | 2021-06-22 | 北京奇力建通工程技术有限公司 | Cable-supported grid structure cable system traction and tensioning integrated construction method and equipment |
| CN113417368A (en) * | 2021-06-07 | 2021-09-21 | 中建深圳装饰有限公司 | High-space large-span fold-line-shaped cable membrane structure and construction method thereof |
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Application publication date: 20150318 |
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