CN1800555A - Large span suspended cable structure and its construction method - Google Patents
Large span suspended cable structure and its construction method Download PDFInfo
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- CN1800555A CN1800555A CN 200510200717 CN200510200717A CN1800555A CN 1800555 A CN1800555 A CN 1800555A CN 200510200717 CN200510200717 CN 200510200717 CN 200510200717 A CN200510200717 A CN 200510200717A CN 1800555 A CN1800555 A CN 1800555A
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Abstract
The invention relates to a large span span-wire and relative producing method. Two steel frames are individually mounted inside the main body of two constructions on two ends, while they comprise opposite near-steel post fixed with middle span-wire ear-plate and edge span-wire ear-plate, and a connection inclined beam inclining from the edge span-wire ear-plate to relative steel frame remote steel post; two ends of four span-wires are individually connected to the span-wire ear-plate; the steel beam intercrosses the span-wire, while the intercross part has span-wire hole and through hole; the top of steel beam has wind wire clamp element and connection claw; the drawing wire is uniformly tensed between steel beam and floor board; the wind wire inclined intercrosses the span-wire while its two ends connect the wind wire ear-plate of steel frame, and its middle part is fixed on the wind wire clamp element of the tope of steel beam. the invention can be used to construct large span non-post full-irradiate structure to apply the large span room, porch, and hall.
Description
(1), technical field
The present invention relates to a kind of building structure and job practices thereof, particularly a kind of Excitations for Long Span Suspension space structures and job practices thereof.
(2), background technology
In civilian construction, large span between two buildings connects general reinforcing beam column type reinforced concrete structure or the steel work of adopting, construction needs to adopt method constructions such as scaffold support or lifting, and moulding and permeability, the daylighting etc. of reinforced concrete roof board all are very restricted.And the suspended-cable structure of large span is applied to construction technology and acceptance criteria that the civilian construction construction does not still have moulding.
(3), summary of the invention
The purpose of this invention is to provide a kind of large span suspended cable structure and job practices, solve big technical problem of between the span building, building the full lighting space structure of no post suspension cable, and solve the problem of this large span suspended cable structure building safety, reliable construction.
Technical scheme of the present invention:
This large span suspended cable structure connects suspended-cable structure between two buildings, it is characterized in that suspended-cable structure is as follows:
Two steel frames: be located at respectively in the agent structure of two ends building, fixedly connected with ground in the lower end of this steel frame, outstanding position fixedly connected center line suspension cable otic placode and the sideline suspension cable otic placode respectively of connecing at the relative near-end steel column of two steel frames, to the steel frame far-end steel column of the correspondence fixedly connected cant beam that tilts, the incline direction of its cant beam is identical with the suspension cable end direction from sideline suspension cable otic placode;
Suspension cable: comprise sideline suspension cable and center line suspension cable, connect four parallel suspension cables at least between above-mentioned steel frame, wherein, corresponding with the steel frame both sides respectively suspension cable otic placode in the two ends of four suspension cables is fixedly connected;
Girder steel: intersect with suspension cable, crossover sites has suspension cable hole and through wires hole, and each suspension cable passes the suspension cable hole on the girder steel, and the girder steel top is fixedly pulled wind claim-reduction part and is connected bluff piece with roof panel;
Drag-line: evenly stretch-draw is connected between girder steel and the floor;
Pull the wind rope: with the suspension cable diagonal cross, its two ends are connected on the wind-resistance cable ear plate of concrete frame, and its stage casing is fixed on pulling in the wind claim-reduction part of girder steel top.
The suspension cable head of above-mentioned sideline suspension cable is connected by bearing pin with sideline suspension cable otic placode.
Above-mentioned suspension cable and junction, girder steel suspension cable hole are fixed by the suspension cable limited block.
Above-mentioned roof panel is glass plate, sunlight board, glass epoxy, plastic plate or light metal plate.
The upper end of above-mentioned drag-line is connected with the girder steel end, and its root passes sleeve and spring assembly and ground tackle and fixes.
The fixed interval drag-line connects bluff piece on the above-mentioned drag-line, connects the bluff piece fixed board by drag-line.
Above-mentioned riser is curtain wall plate, sunlight board, glass epoxy, plastic plate or light metal plate.
The above-mentioned wind rope of pulling is arc, parabola shaped or hyperbola.
The job practices of this large span suspended cable structure is characterized in that step is as follows:
A, construction both sides building are installed steel frame in the building main body of both sides, connect sideline suspension cable otic placode and center line suspension cable otic placode on the steel frame column;
B, between the building of both sides, set up scaffold;
C, with the girder steel hoisted in position, be supported on the taper liner iron on the scaffold;
D, suspension cable is passed suspension cable hole on the girder steel, two ends and steel frame are fixed;
E, with wind cable and suspension cable diagonal cross, its two ends are connected on the wind-resistance cable ear plate of concrete frame, its stage casing is fixed on pulling in the wind claim-reduction part of girder steel top;
F, girder steel and suspension cable are fixed, knocked out the taper liner iron under the girder steel, make suspension cable bear the girder steel deadweight, remove scaffold;
The drag-line of g, mounting vertical plane, and it is fastening to carry out stretch-draw, comes suspension cable and wind cable are applied prestressing force by drag-line being applied pulling force;
H, installation roof panel and side glass curtain wall riser;
I, beat the glue ending in the glass slit.
Compare with existing conventional art, that the present invention has is simple in structure, labor and material saving, beneficial effect that the sunlight permeability is good, the present invention can be by the suspension cable daylighting roof construction and the curtain wall system of large span, reach the architectural effect of the full glass daylighting of roofing and exterior wall, make outdoor environments such as the indoor and outdoor greening of hall, pond form the integral body of a natural harmony.Can realize that large span space does not have the space structures of post, it is flexible to reach indoor arrangement, effect easy to use.Solve big technical problem of between the span building, building the suspension cable syndeton, and solved the problem of this large span suspended cable structure building safety, reliable construction.The present invention is applicable to the hall between construction two buildings, vestibule, entrance hall, the sunlight Room etc.
(4) description of drawings
Fig. 1 is the facade structures schematic diagram of the embodiment of the invention;
Fig. 2 is the schematic diagram that center line suspension cable of the present invention connects;
Fig. 3 is the plane structure schematic diagram of the embodiment of the invention;
Fig. 4 is the A-A sectional drawing of Fig. 3.
Fig. 5 is the schematic diagram that girder steel is connected with roof panel;
Fig. 6 pulls the wind rope to be fixed on schematic diagram on the girder steel;
Fig. 7 is the schematic diagram that drag-line lower end root passes sleeve and spring assembly and floor anchoring;
Fig. 8 is that drag-line connects bluff piece and riser connection diagram through drag-line;
Fig. 9 schematic diagram that to be the suspension cable head be connected by bearing pin with sideline suspension cable otic placode;
Figure 10 is that the suspension cable head is connected vertical view with sideline suspension cable otic placode;
Figure 11 pulls the schematic diagram that the wind rope is fixedlyed connected with the wind-resistance cable ear plate on the steel frame;
Figure 12 is the elevational schematic view of suspension cable limited block;
Figure 13 is the schematic top plan view of suspension cable limited block.
Among the figure: the suspension cable of 1-sideline, 2-center line suspension cable, 3-pulls the wind rope, the 4-girder steel, 5-suspension cable hole, the 6-through wires hole, the 7-steel frame, 8-near-end steel column, the 9-cant beam, 10-far-end steel column, 11-center line suspension cable otic placode, 12-sideline suspension cable otic placode, the 13-drag-line, the 14-drag-line connects bluff piece, 15-pulls wind claim-reduction part, the 16-roof panel connects bluff piece, the 17-roof panel, 18-sleeve and spring assembly, 19-suspension cable limited block, 20-suspension cable head, the 21-bearing pin, the 22-riser, the 23-door frame that enters the mouth, the 24-wind-resistance cable ear plate, the 25-floor.
(5) specific embodiment
Embodiment is referring to Fig. 1-10, and this is a certain large span suspended cable structure and job practices, and this builds underground two layers, be linked to be an integral body, two high buildings on the ground are designed to the suspended-cable structure of 63m span between two high buildings, this suspended-cable structure is mainly pulled the supporting of wind rope by four suspension cables and two.Four main suspension cables comprise two sideline suspension cables 1 and two center line suspension cables 2, arrange girder steel 4 on suspension cable, and girder steel spacing 2.0m installs The Glass House panel 17 on girder steel.The girder steel two ends hang drag-line 13, and on drag-line curtain wall riser 22 are installed.Concrete structure is as follows:
Steel frame 7: be located at respectively in the agent structure of two ends building, fixedly connected with ground in the lower end of this steel frame, outstanding position fixedly connected center line suspension cable otic placode 11 and the sideline suspension cable otic placode 12 respectively of connecing at the relative near-end steel column 8 of two steel frames, from the steel frame far-end steel column 10 inclinations fixedly connected cant beam 9 of center line suspension cable otic placode 11 to correspondence, the incline direction of its cant beam is identical with suspension cable sloped-end direction.Consider the stressed bigger of every drag-line, reinforced concrete structure can not satisfy the requirement of structure stress, by stiffness steel frame structural system bearing load, because two high buildings belong to monolateral stressed, in order to prevent overturning or slip resistance analysis, the stiffness steel frame is from underground two layers of base plate, to four layers of end on the ground.
Suspension cable: referring to Fig. 1, Fig. 2, comprise sideline suspension cable 1 and center line suspension cable 2, between above-mentioned two steel frames 7, have four parallel suspension cables at least, wherein, corresponding with the steel frame respectively sideline suspension cable otic placode 12 in the two ends of two sideline suspension cables 1 is fixedly connected, and corresponding with the steel frame respectively center line suspension cable otic placode 11 of two center line suspension cables 2 is fixedly connected.
Referring to Fig. 9,10, the suspension cable head 20 of above-mentioned suspension cable is connected by bearing pin 21 with sideline suspension cable otic placode 12.
Girder steel 4: referring to Fig. 4, girder steel 4 intersects with suspension cable, and crossover sites has suspension cable hole 5 and through wires hole 6, and each suspension cable passes the suspension cable hole on the girder steel.Referring to Fig. 5,6, the girder steel top is fixedly pulled wind claim-reduction part 15 and is connected bluff piece 16 with roof panel, and above-mentioned roof panel can be glass plate, sunlight board, glass epoxy, plastic plate or light metal plate.
Referring to Figure 12,13, above-mentioned suspension cable and junction, girder steel suspension cable hole are fixed by the suspension cable limited block.
Drag-line 13: referring to Fig. 4,7,8, drag-line 13 even stretch-draw are connected between girder steel 4 and the floor 25, and the upper end of above-mentioned drag-line 13 is connected with the end of girder steel 4, and its root passes sleeve and spring assembly 18 and floor 25 anchorings.The fixed interval drag-line connects bluff piece 14 on the above-mentioned drag-line, connects bluff piece fixed board 22 by drag-line, and above-mentioned riser can be curtain wall plate, sunlight board, glass epoxy, plastic plate or light metal plate.
Pull wind rope 3: referring to Fig. 3, Figure 11, pulling wind rope 3 and suspension cable diagonal cross, fixedlys connected with the wind-resistance cable ear plate 24 on the concrete frame in its two ends, and its stage casing is fixed on pulling in the wind claim-reduction part 15 of girder steel 4 tops.Pull wind rope 3 and be arc, parabola shaped, broken line shape or hyperbola.
The construction method step of this large span suspended cable structure is as follows:
A, construction both sides building are installed steel frame 7 in the building main body of both sides, connect sideline suspension cable otic placode 12 and center line suspension cable otic placode 11 on the steel frame column.
B, between the building of both sides, set up scaffold.
C, with girder steel 4 hoisted in position, be supported on the taper liner iron on the scaffold, after girder steel is in place, access doorframe steelframe is installed.
D, Φ 104 suspension cables 1,2 are passed suspension cable hole 5 on the girder steel, two ends and steel frame 7 are fixing, and girder steel two ends Φ 121 penetration pipes are installed, and all girder steels are connected into an integral body.
Φ 104 suspension cables are installed: Φ 104 suspension cables are transported to the building site; 5 tons of hoist engines respectively are set on suspension cable near axis ground, and utilize existing suspension column its anchoring; Hanging 5 tons of gin blocks above the suspension cable otic placode respectively turns to as the hoist engine wire rope so that draw dolly and Φ 104 suspension cables; Make a rotary-tray and flat bogie as separating the rope instrument in when lifting, in order to avoid the suspension cable surface is scratched; It is some to make universal pulley, so that form the curve of a radius greater than the suspension cable radius of gyration when suspension cable is moved therein, the surface can not scratch when sliding simultaneously; Because of the correspondence of each girder steel hole of reeving is parabolic shape and distributes, institute thinks suspension cable scratching girder steel when preventing to reeve, and does guide rail and trailer wagon between girder steel, on guide rail leading block is installed so that the rope head holds cable body later; The haulage cable fag end of 5 tons of hoist engines is laid out by end pulley and universal pulley respectively, and one directly causes ground (1# elevator), and another passes the girder steel hole of reeving and is connected with the dolly of reeving the rope head is caused standby (2# hoist engine) near the suspension cable otic placode of opposite; Draw upper end rope head near another suspension cable otic placode with the 2# elevator.After re-using the slow hook of 2 tons of Chain blocks this end rope head is put on the platform; When lower end rope head has been towed to universal pulley place, remove each universal pulley after, again this end rope head is moved on the platform with the slow hook of 2 tons of Chain blocks.After two suspension cables in the one curb girder hole have been worn, track and dolly are moved to the installation that opposite side carries out following two suspension cables; Suspension cable is moved to the otic placode place to be connected.
E, with Φ 50 wind cables 3 and suspension cable 1,2 diagonal cross, its two ends are connected on the wind-resistance cable ear plate 24 of steel frame, its stage casing is fixed on pulling in the wind claim-reduction part 15 of girder steel top.
F, installation suspension cable limited block 19 knock out the taper liner iron under the girder steel, make suspension cable bear the girder steel deadweight, and girder steel and suspension cable are fixed, and remove scaffold.
Drag-line prestressed stretch-draw: tension sequence: two hydraulic pressure punching jack act on the drag-line of same girder steel both sides simultaneously, and four hydraulic jack are carried out to centre symmetry successively simultaneously.
Stretch-draw divides five circulations to carry out, circulate stretch-draw Φ 22 cable wires for the first time to about 20% of design prestress value, circulate stretch-draw Φ 22 cable wires for the second time to about 40% of design prestress value, stretch-draw Φ 22 cable wires that circulate for the third time are to about 75% of the design prestress value, the 4th time circulation stretch-draw Φ 22 cable wires exceed 5% super stretch-draw to 90%, the five circulation stretch-draw Φ 22 cable wire that designs prestress value to the design prestress value.
YDC250-200 hydraulic pressure punching jack and LJDBD-1 electric oil pump are used in stretch-draw, and the cable wire afterbody is pulled out from sleeve and spring assembly 18, and with the preliminary tensioning of drag-line, the value of thrust of drag-line reads from table at any time.After the circulation of stretch-draw for the second time finished, the verticality of checking and proofreading and correct every facade cable wire met the requirements it.
The stretch-draw of facade drag-line should be carried out at B1, makes a special-purpose moveable carriage during stretch-draw, so that easy to operate, raise the efficiency.
H, installation roof panel 17 and side glass curtain wall riser 22.
I, beat the glue ending in the glass slit.
Claims (9)
1. a large span suspended cable structure connects suspended-cable structure between two buildings, it is characterized in that suspended-cable structure is as follows:
Two steel frames: be located at respectively in the agent structure of two ends building, fixedly connected with ground in the lower end of this steel frame, outstanding position fixedly connected center line suspension cable otic placode and the sideline suspension cable otic placode respectively of connecing at the relative near-end steel column of two steel frames, to the steel frame far-end steel column of the correspondence fixedly connected cant beam that tilts, the incline direction of its cant beam is identical with the suspension cable end direction from sideline suspension cable otic placode;
Suspension cable: comprise sideline suspension cable and center line suspension cable, connect four parallel suspension cables at least between above-mentioned steel frame, wherein, corresponding with the steel frame both sides respectively suspension cable otic placode in the two ends of four suspension cables is fixedly connected;
Girder steel: intersect with suspension cable, crossover sites has suspension cable hole and through wires hole, and each suspension cable passes the suspension cable hole on the girder steel, and the girder steel top is fixedly pulled wind claim-reduction part and is connected bluff piece with roof panel;
Drag-line: evenly stretch-draw is connected between girder steel and the floor;
Pull the wind rope: with the suspension cable diagonal cross, its two ends are connected on the wind-resistance cable ear plate of concrete frame, and its stage casing is fixed on pulling in the wind claim-reduction part of girder steel top.
2. large span suspended cable structure according to claim 1 is characterized in that: the suspension cable head of above-mentioned sideline suspension cable is connected by bearing pin with sideline suspension cable otic placode.
3. large span suspended cable structure according to claim 1 and 2 is characterized in that: above-mentioned suspension cable and junction, girder steel suspension cable hole are fixed by the suspension cable limited block.
4. large span suspended cable structure according to claim 1 and 2 is characterized in that: above-mentioned roof panel is glass plate, sunlight board, glass epoxy, plastic plate or light metal plate.
5. large span suspended cable structure according to claim 1 is characterized in that: the upper end of above-mentioned drag-line is connected with the girder steel end, and its root passes sleeve and spring assembly and ground tackle and fixes.
6. large span suspended cable structure according to claim 1 or 5, it is characterized in that: the fixed interval drag-line connects bluff piece on the above-mentioned drag-line, connects the bluff piece fixed board by drag-line.
7. large span suspended cable structure according to claim 6 is characterized in that: above-mentioned riser is curtain wall plate, sunlight board, glass epoxy, plastic plate or light metal plate.
8. large span suspended cable structure according to claim 1 is characterized in that: the above-mentioned wind rope of pulling is arc, parabola shaped or hyperbola.
9. the job practices of a large span suspended cable structure is characterized in that step is as follows:
A, construction both sides building are installed steel frame in the building main body of both sides, connect sideline suspension cable otic placode and center line suspension cable otic placode on the steel frame column;
B, between the building of both sides, set up scaffold;
C, with the girder steel hoisted in position, be supported on the taper liner iron on the scaffold;
D, suspension cable is passed suspension cable hole on the girder steel, two ends and steel frame are fixed;
E, with wind cable and suspension cable diagonal cross, its two ends are connected on the wind-resistance cable ear plate of steel frame, its stage casing is fixed on pulling in the wind claim-reduction part of girder steel top;
F, girder steel and suspension cable are fixed, knocked out the taper liner iron under the girder steel, make suspension cable bear the girder steel deadweight, remove scaffold;
The drag-line of g, mounting vertical plane, and it is fastening to carry out stretch-draw, comes suspension cable and wind cable are applied prestressing force by drag-line being applied pulling force;
H, installation roof panel and side glass curtain wall riser;
I, beat the glue ending in the glass slit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200510200717 CN1800555A (en) | 2005-11-21 | 2005-11-21 | Large span suspended cable structure and its construction method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200510200717 CN1800555A (en) | 2005-11-21 | 2005-11-21 | Large span suspended cable structure and its construction method |
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| Publication Number | Publication Date |
|---|---|
| CN1800555A true CN1800555A (en) | 2006-07-12 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200510200717 Pending CN1800555A (en) | 2005-11-21 | 2005-11-21 | Large span suspended cable structure and its construction method |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103938716A (en) * | 2014-04-02 | 2014-07-23 | 深圳市北林苑景观及建筑规划设计院有限公司 | Corridor |
| CN106835953A (en) * | 2017-04-13 | 2017-06-13 | 中国电建集团成都勘测设计研究院有限公司 | Cable way bridge gooseneck |
| CN107524311A (en) * | 2017-09-12 | 2017-12-29 | 林信远 | A kind of aerial shelter bridge for being combined with elevator |
| CN109113354A (en) * | 2018-08-10 | 2019-01-01 | 中建深圳装饰有限公司 | A kind of whole process cableway-type windproof drawknot cable wind system and its construction method in real time |
| CN109113183A (en) * | 2018-09-28 | 2019-01-01 | 同济大学 | Construction method based on large span self-contained pattern suspended-cable structure |
| CN111236038A (en) * | 2020-03-09 | 2020-06-05 | 东南大学 | Novel suspension bridge central authorities detain device |
-
2005
- 2005-11-21 CN CN 200510200717 patent/CN1800555A/en active Pending
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103938716A (en) * | 2014-04-02 | 2014-07-23 | 深圳市北林苑景观及建筑规划设计院有限公司 | Corridor |
| CN103938716B (en) * | 2014-04-02 | 2016-08-17 | 深圳市北林苑景观及建筑规划设计院有限公司 | A kind of vestibule |
| CN106835953A (en) * | 2017-04-13 | 2017-06-13 | 中国电建集团成都勘测设计研究院有限公司 | Cable way bridge gooseneck |
| CN107524311A (en) * | 2017-09-12 | 2017-12-29 | 林信远 | A kind of aerial shelter bridge for being combined with elevator |
| CN109113354A (en) * | 2018-08-10 | 2019-01-01 | 中建深圳装饰有限公司 | A kind of whole process cableway-type windproof drawknot cable wind system and its construction method in real time |
| CN109113183A (en) * | 2018-09-28 | 2019-01-01 | 同济大学 | Construction method based on large span self-contained pattern suspended-cable structure |
| CN109113183B (en) * | 2018-09-28 | 2020-07-14 | 同济大学 | Construction method based on large-span self-forming type suspension cable structure |
| CN111236038A (en) * | 2020-03-09 | 2020-06-05 | 东南大学 | Novel suspension bridge central authorities detain device |
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