CN101413291B - Cumulative installation method of hoisting cable rods for cable dome towers - Google Patents
Cumulative installation method of hoisting cable rods for cable dome towers Download PDFInfo
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- CN101413291B CN101413291B CN2008102343621A CN200810234362A CN101413291B CN 101413291 B CN101413291 B CN 101413291B CN 2008102343621 A CN2008102343621 A CN 2008102343621A CN 200810234362 A CN200810234362 A CN 200810234362A CN 101413291 B CN101413291 B CN 101413291B
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- lifting
- notochord
- outer ring
- bearing member
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- 238000000034 method Methods 0.000 title claims abstract description 30
- 238000009434 installation Methods 0.000 title claims description 23
- 230000001186 cumulative effect Effects 0.000 title claims 2
- 210000003458 notochord Anatomy 0.000 claims abstract description 58
- 238000004873 anchoring Methods 0.000 claims 2
- 238000011017 operating method Methods 0.000 claims 1
- 230000001360 synchronised effect Effects 0.000 abstract description 3
- 238000010276 construction Methods 0.000 description 12
- 238000009825 accumulation Methods 0.000 description 7
- 230000001737 promoting effect Effects 0.000 description 4
- 230000001965 increasing effect Effects 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 2
- 238000011900 installation process Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 238000010623 stretch-draw forming Methods 0.000 description 2
- 229910000754 Wrought iron Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
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Abstract
The invention discloses a method for cumulatively mounting a cable dome tower lifting cable rod, which comprises the following steps: mounting a lifting tower slightly higher than the mounting height of the vertex of a cable dome structure according to the design elevation of a cable dome and a corresponding position of a central bearing member; mounting a multipoint synchronous lifting device on the top of the tower; connecting an inner ring cable system of a notochord net with the central bearing member and connecting an outer ring cable system of the notochord net with an outer ring beam through auxiliary traction cables; evenly lifting the central bearing member through a lifting device on the top of the tower with the traction of an outer ring notochord and the lifting of the central bearing member in the lifting process, wherein the whole notochord net is lifted synchronously in a catenary mode; cumulatively and expansively mounting each ring cable, masts and stay cables positioned at different mounting heights while lifting the central bearing member; and after all the traction cables and the masts are mounted, forming outer ring stayed cables through tensioning by stages.
Description
Technical field
The present invention is a kind of installation of rope bar and prestressed stretch-draw shaping are carried out in Construction of Civil Engineering to the construction of novel rope dome steric strain structure method that is used for.The technical field that belongs to the cable dome structure construction and installation.
Background technology
Cable dome structure is a kind of novel full tension structure system, by at the notochord that winds up, form at the oblique cord of lower edge and the mast that links between the last quarter rope, must could produce the rigidity of structure of necessity by stretching rope, forms stable load system.Drag-line can be various ways such as the half parallel twisting of high-strength steel tow, many steel stranded wire assembled cables or rod iron pull bar.Domestic and international known cable dome structure construction and installation manufacturing process, its key step is: (1) places the center load-carrying member; (2) hang notochord, an end links to each other with outer-ring beam, and an end is connected with the center load-carrying member; (3) the center load-carrying member is supported or is lifted to a certain height by loop wheel machine by the interim pylon in center; (4) by ring mast, strop and oblique cord are installed; (5) stage by stage or the single tension oblique cord structure finally is shaped.Known cable dome structure construction and installation manufacturing process, all need notochord is carried out the traction of longer distance or center ring shelved certain altitude and use could making notochord hang than large traction to be installed on the outer-ring beam, this is to the ability and the sync pulling technical requirements height of pulling equipment, the tractive force of notochord in being pulled process is excessive and stressed also comparatively complicated simultaneously, finally cause difficulty of construction to strengthen, the security risk of construction strengthens, and the duration is longer.In addition, because during known cable dome structure construction and installation are shaped, the bracing frame height of pulling force ring is shelved at the center or height that loop wheel machine lifts immobilizes, regulated at will height easily, if it is unreasonable that center load-carrying member bracing frame or lift highly designs, the installation of part drag-line may need bigger external force to force traction in place, and this is stressed all unfavorable to drag-line, mast and node, difficulty of construction is bigger, the safety deficiency of installation operation.
Summary of the invention
Technical problem: the be shaped notochord that exists and oblique cord traction difficulty and tractive force are installed are strengthened for overcoming rope bar in the existing cable dome structure construction, center load-carrying member bearing height immobilizes, cause by unfavorable factors such as strop bar installation amount of high-altitude operation increasing and construction safety risk increasings, the present invention proposes a kind of cable sky dome tower frame raising cable rod accumulation mounting method, can not only reduce the distance and the difficulty of notochord traction, and can each strop bar be installed by the expansion while promoting of center load-carrying member, bearing height that can regulated at will center load-carrying member, the rope bar that conveniently is positioned at differing heights point is installed and traction stretch-draw, the installation difficulty of cable dome structure is significantly reduced, increased rope bar installation process safe.
Technical scheme: cable sky dome tower frame raising cable rod accumulation mounting method of the present invention, be according to the correspondence position setting of the design elevation of rope dome and center load-carrying member lifting pylon a little more than cable dome structure summit setting height(from bottom), at tower top the synchronous lifting means of multiple spot is set, strop system in the notochord net is linked to each other with the center load-carrying member, outer strop is to link to each other with outer-ring beam with the auxiliary traction rope, the lifting means of tower top evenly promotes the center load-carrying member, be accompanied by the traction of outer shroud notochord and the lifting of center load-carrying member in the lifting process, whole notochord net is the stretched wire wire and promotes synchronously thereupon, what be positioned at different setting height(from bottom)s while promoting respectively encircles strop, the expansion accumulation of mast and oblique cord is installed, after treating that all drag-lines and mast install, outer shroud oblique cord is carried out stretch-draw forming stage by stage.
This mounting method is divided into the following step:
The first step: the center load-carrying member of rope dome is installed on the precalculated position;
Second step: set up the lifting pylon, lifting means is installed and is linked to each other with the center load-carrying member through raising sling;
The 3rd step: each member spelling of notochord rope net, and interior ansa rope linked to each other with the center load-carrying member, the outer shroud notochord links to each other with outer-ring beam through the notochord drag cable;
The 4th step: the lifting means that promotes tower top drives raising sling the center load-carrying member is promoted, and in the lifting process, constantly adjusts notochord rope net catenary sag, simultaneously through notochord drag cable traction outer shroud notochord;
The 5th step: follow the hoisting depth of notochord rope net, ring oblique cord, middle ring oblique cord, middle ring mast and middle ring strop in installing respectively;
The 6th step: the outer shroud notochord is anchored on the outer-ring beam;
The 7th step: outer shroud mast and outer shroud strop are installed, and the outer shroud oblique cord are linked to each other with outer-ring beam by the oblique cord drag cable;
The 8th step: the outer shroud oblique cord is anchored on the outer-ring beam;
The 9th step: promote the center load-carrying member to rational position, stretch-draw outer shroud oblique cord to structure finally is shaped stage by stage;
The tenth step: remove and promote pylon, lifting means and raising sling.
The concrete operation method in second step is: according to the design elevation and the structural arrangement form of rope dome, heart load-carrying member correspondence position is set up the lifting pylon therein, promotes the pylon scaffolding height and regulates requirement a little more than rope dome design elevation with the hoisting depth that satisfies the center load-carrying member; Lifting means is installed promoting tower top, its installation site needs corresponding with the suspension centre of center load-carrying member, equipment to be hoisted install and fixing after, link to each other formation lifting system with the center load-carrying member through raising sling.
The concrete operation method in the 4th step is: the notochord rope net for the treatment of the rope dome installs, the lifting system install to be shaped, the outer shroud notochord with after outer-ring beam is connected, is implemented synchronous lifting by lifting means to the center load-carrying member through the notochord drag cable; In the lifting process, by lifting means the hoisting depth of center load-carrying member is controlled, implemented the adjustment of notochord rope net catenary sag, simultaneously, externally the ansa rope is implemented traction.
The concrete operation method in the 5th step is: according to the hoisting depth of center load-carrying member, regulate the catenary sag of notochord rope net, when in distance satisfies between the node of notochord rope net and grandstand or the ground, encircling oblique cord, middle ring oblique cord or middle ring mast installing space demand, promptly each rope bar is installed; Each rope bar erection sequence is a preface to satisfy installing space.
The concrete operation method in the 9th step is: in the stretching process, constantly adjust the hoisting depth of center load-carrying member by lifting means, with stretch-draw demand that satisfies the outer shroud oblique cord and the stretching force of adjusting the outer shroud oblique cord; Unload lift hoist cable before the stretch-draw of outer shroud oblique cord afterbody, not with condition that any supporting member links to each other under, the outer shroud oblique cord of rope dome is carried out final stretch-draw.
Beneficial effect: cable sky dome tower frame raising cable rod accumulation mounting method of the present invention according to the design elevation of rope dome and the correspondence position of center load-carrying member, is provided with the lifting pylon a little more than rope dome summit design elevation, and lifting means and raising sling is installed.By lifting, drive the notochord rope net that is attached thereto and promote the center load-carrying member.In the installation process, can change the hoisting depth of center load-carrying member easily, and cooperate with the drag cable auxiliary traction of outer shroud notochord and outer shroud oblique cord, can not only significantly reduce the distance of drawing and required drag cable power, reduced the difficulty of construction that the traction of notochord and oblique cord is in place, and follow the slow lifting of center load-carrying member and notochord rope net, near ground or see other rope bars are installed in the altitude range of table top, reduced the high-altitude installation work amount, and make things convenient for the in place and stretch-draw of drag-line, guaranteed the safety in the work progress.
Description of drawings
The present invention is described in more detail below in conjunction with drawings and Examples:
Fig. 1～Fig. 6 is a cable sky dome tower frame raising cable rod accumulation mounting method schematic diagram of the present invention.
Have among the figure: interior ansa rope 101, middle ansa rope 102, outer shroud notochord 103, interior ring oblique cord 201, middle ring oblique cord 202, outer shroud oblique cord 203, middle ring mast 301, outer shroud mast 302, middle ring strop 401, outer shroud strop 402, center load-carrying member 501, lifting pylon 601, lifting means 602, raising sling 603, notochord drag cable 701, oblique cord drag cable 702, outer-ring beam 801, grandstand 901, ground 902.
The specific embodiment
The present invention is the correspondence position according to the design elevation of rope dome and center load-carrying member, setting is a little more than the lifting pylon of rope dome summit design elevation, the center load-carrying member is evenly promoted, the traction and the center load-carrying member that are accompanied by whole notochord rope net in the lifting process promote, whole notochord rope net is also promoting simultaneously, and strop respectively thereupon, the expansion accumulation of mast and oblique cord is installed, rope bar erection sequence can by each mounting points overhead or the height of step surface adjust, after treating that all drag-lines and mast install, outer shroud oblique cord is carried out stretch-draw forming stage by stage.
Be specially center load-carrying member 501 and be positioned over ground, center, place, install and promote pylon 601 and lifting means 602, carry out putting rope and linking the node installation of outer shroud notochord 103, middle ansa rope 102 and interior ansa rope 101 simultaneously on ground, form notochord rope net, and utilize notochord drag cable 701 that outer shroud notochord 103 is connected in outer-ring beam 801 (Fig. 1); The lifting means 602 that promotes pylon 601 tops drives 603 pairs of center load-carrying members 501 of raising sling and promotes, notochord drag cable 701 traction outer shroud notochords 103 are adjusted notochord net stretched wire wire sag simultaneously, according to the differing heights of notochord rope net node, ring oblique cord 201, middle ring oblique cord 202, middle ring mast 301 and middle ring strop 401 in installing respectively; Continue lifting center load-carrying member 501, continue traction notochord drag cable 701, make the outer shroud notochord be anchored in outer-ring beam 801 (Fig. 2); Oblique cord drag cable 702 is connected with outer oblique cord 203 temporarily, and outer shroud mast 302 and outer shroud strop 402 (Fig. 3) are installed, and being positioned at the rope bar erection sequence that respectively encircles mounting points can change adjustment with the hoisting depth of notochord rope net; The outer oblique cord 203 of oblique cord drag cable 702 tractions puts in place, is anchored in outer-ring beam 801, promotes center load-carrying member 501 to rational position (Fig. 4); The outer oblique cord 203 (Fig. 5) of stretch-draw stage by stage; Finally be shaped up to structure, and remove lifting pylon 601, lifting means 602 and raising sling 603 (Fig. 6).
Claims (5)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008102343621A CN101413291B (en) | 2008-11-12 | 2008-11-12 | Cumulative installation method of hoisting cable rods for cable dome towers |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008102343621A CN101413291B (en) | 2008-11-12 | 2008-11-12 | Cumulative installation method of hoisting cable rods for cable dome towers |
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| CN101413291A CN101413291A (en) | 2009-04-22 |
| CN101413291B true CN101413291B (en) | 2010-07-07 |
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| CN2008102343621A Expired - Fee Related CN101413291B (en) | 2008-11-12 | 2008-11-12 | Cumulative installation method of hoisting cable rods for cable dome towers |
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Families Citing this family (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101582095B (en) * | 2009-06-19 | 2010-10-27 | 东南大学 | Nonlinear Dynamic Finite Element Method for Determining Static Equilibrium State of Cable-strut System |
| CN102912989B (en) * | 2012-11-14 | 2014-08-20 | 淮海工学院 | Installation method for steel reticulated shell and cable dome combined structure |
| CN104420656A (en) * | 2013-08-29 | 2015-03-18 | 上海宝冶集团有限公司 | Traction tension forming mounting method of spherical rib annular type cable dome structure |
| CN103615064B (en) * | 2013-11-27 | 2016-09-07 | 浙江精工钢结构集团有限公司 | A kind of Cable dome and installation method thereof |
| CN103696494B (en) * | 2013-12-11 | 2016-03-30 | 中冶天工上海十三冶建设有限公司 | The computer of complex space trussed construction controls hydraulic synchronizing lifting construction method |
| CN104234200B (en) * | 2014-09-24 | 2016-08-24 | 东南大学 | A kind of suspen-shell structure rope leverage is by ring lifting installation method |
| CN106088601A (en) * | 2016-07-11 | 2016-11-09 | 中建二局第二建筑工程有限公司华东分公司 | The construction method of umbrella cable-membrane analysis |
| CN107130688B (en) * | 2017-05-18 | 2019-06-21 | 中国建筑第八工程局有限公司 | Suo Cheng network is without moulding bed construction method |
| CN111101600B (en) * | 2019-11-20 | 2021-04-02 | 北京市建筑工程研究院有限责任公司 | Construction method of double-oblique-arch hyperbolic paraboloid cable net structure with limited construction space |
| CN111042542A (en) * | 2019-12-18 | 2020-04-21 | 中建科工集团有限公司 | Cumulative lifting method for large-span unequal-height bidirectional curved surface net rack |
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Granted publication date: 20100707 Termination date: 20211112 |