CN106013601A - Large-span roof steel truss structure and accumulative slipping construction technology - Google Patents
Large-span roof steel truss structure and accumulative slipping construction technology Download PDFInfo
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- CN106013601A CN106013601A CN201610464851.0A CN201610464851A CN106013601A CN 106013601 A CN106013601 A CN 106013601A CN 201610464851 A CN201610464851 A CN 201610464851A CN 106013601 A CN106013601 A CN 106013601A
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- truss
- arch truss
- piston shoes
- anchor ear
- support jig
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
- E04C3/00—Structural elongated elements designed for load-supporting
- E04C3/02—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces
- E04C3/04—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces of metal
- E04C3/11—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces of metal with non-parallel upper and lower edges, e.g. roof trusses
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/342—Structures covering a large free area, whether open-sided or not, e.g. hangars, halls
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G21/00—Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work
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- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
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- Mechanical Engineering (AREA)
- Conveying And Assembling Of Building Elements In Situ (AREA)
Abstract
The invention discloses a large-span roof steel truss structure and an accumulative slipping construction technology. A single arch truss is spliced by three sections of trusses, and a steel pulling cable is arranged at the bottom chord of the arch truss; with the adoption of support jig frames, multiple sections of large-span trusses are subjected to sectioned hoisting and airborne assembling; with the adoption of the mode that long guide rails are arranged on parapet walls and short guide rails arranged on the support jig frames, a multi-point advancing scheme of arranging slipping equipment at multiple points is implemented; by means of addition of bracket slipping shoes, a working plane where the trusses are located is separated from a working plane of guide rail slipping, so that the problem of construction difficulty of mounting the steel pulling cable firstly and slipping the trusses later is solved, the mounting method of the airborne assembling of the multiple sections of large-span trusses and overall slipping of the multiple trusses is realized, and the structure and the construction technology have the advantages that the construction cost is reduced, the construction efficiency is improved and the construction is safe and reliable.
Description
Technical field
The present invention relates to large-span truss manufacture and the installation of manufacture of steel structure and construction and installation technical field, the structure of a kind of long-span roofing steel truss and the construction technology of accumulation slippage.
Background technology
Construction and development along with heavy construction venue, large-span truss manufacture and installation are had higher requirement, current large-span truss is divided into overall manufacture to lift and segmentation manufacture installation at high altitude two class scheme, there is problems of, the former, being restricted by transport, construction site and hanging device, the development to large-span truss causes serious restriction.The latter, installing engineering is complicated, needs to set up substantial amounts of height scaffolding, not only assembly, welding job amount are huge, and there is bigger quality, security risk, and difficulty of construction is bigger, and can have a great impact the construction period of whole engineering, the Technical Economy index of scheme is poor.
1., the whole problem cannot transported across truss prior art (CN104929373A) discloses [large span Square Steel Tubes Truss and accumulation slippage arrangement and method for construction thereof], there is problems of, and, is restricted the problem that cannot lift by crane by job site and lifting appliance；2., sliding guide rails assembling between the bracket of structural column, then must take effective guide supporting measure, i.e. between all structural columns, set up bracing frame, thus produce extra support man-hour and expense；3., the scope of operation being located of truss overlaps with the scope of operation of guide rail sliding, the work efficiency when the dismounting operation being located and adjusting operation, guide rail of truss will certainly be affected, workman is caused to there is bigger security risk when facing limit work high above the ground, 4., particularly with the truss of multistage lower edge steel cable, be fitted without before sliding puts in place following up the installation of steel cable at truss, thus produces the operating mode of truss secondary unloading；And for not assembling the truss of support bar and steel cable, the relative stability of truss self stress system is poor, not only the strain to truss self is difficult to control to, and during implementing sliding construction, truss there is also the danger of unstability.
Summary of the invention
It is an object of the invention to the structure of a kind of long-span roofing steel truss and the accumulation slippage construction technology provided for the deficiencies in the prior art, the present invention uses the mode arranging support jig, and multistage large-span truss is implemented segmentation lifting, assembled in the air；Use and arrange long guideway on parapet, support jig arranges the mode of short lead rail, implements multidigit and arranges the multiple spot promotion program of slip device；Use the mode of additional bracket piston shoes, the scope of operation being located by truss separates with the scope of operation of guide rail sliding, solve steel cable first install, the construction Difficulties of sliding after truss, make multistage large-span truss the most assembled, the installation method of many truss structures integral slipping is achieved, and has reduction construction cost, improves efficiency of construction and the reliable advantage of construction safety.
The concrete technical scheme realizing the object of the invention is:
A kind of structure of long-span roofing steel truss, its feature is that single Pin arch truss is spliced by three sections of truss, the two-end-point of arch truss is provided with mounting seat, piston shoes seat and steel rope, it is provided with steel cable along lower edge between two steel ropes of arch truss, between arch truss and steel cable, is provided with several support bar.
A kind of accumulation slippage construction technology implementing long-span roofing steel truss, the installation method of large-span steel steel cable truss, the method is implemented after outside two row's structural columns and structural column of civil engineering, symmetrically arranged parapet completes；For convenience of narration, the span direction of two row's i.e. arch trusses of structure intercolumniation is about set to laterally, the direction along the line of parapet is about set to longitudinal direction, the fore-and-aft distance of adjacent two structural columns is about set to the standard width of a room in an old-style house away from, it is characterised in that the method comprises the steps:
A), the making of bracket piston shoes
Described bracket piston shoes are structural member, and its one side is provided with the tip interface of arch truss, another side is provided with piston shoes hanger, bottom is provided with slidable panels, and slidable panels is provided with piston shoes gathering sill；
B), the making of anchor ear
Described anchor ear is the rectangle framework that four blocks of plates enclose, and its one side is provided with anchor ear hanger, bottom is provided with slidable panels, and slidable panels is provided with anchor ear gathering sill；
C), the setting of support jig
Longitudinally parallel on ground arranging two groups of support jigs, the longitudinal axis position of support jig is the most corresponding with arch truss junction, the longitudinal size of support jig more than a standard width of a room in an old-style house away from；
D), the setting of guide rail
Along the long guideway that longitudinally be arranged in parallel on the parapet of both sides, along the short lead rail that longitudinally be arranged in parallel on two support jigs；
E), the high-altitude of arch truss is installed
The three sections of arch trusses constituting a Pin are winched between structural column and support jig, support jig and support jig and support jig and structural column respectively, splicing is implemented in the junction of arch truss by two support jigs, support bar and steel cable are installed；
F), the installation of bracket piston shoes
Installing bracket piston shoes on the piston shoes seat at arch truss two ends, be connected with the piston shoes seat of arch truss by the tip interface of bracket piston shoes, and make slidable panels be placed on long guideway, piston shoes gathering sill is connected to the dual-side of long guideway；
G), the installation of anchor ear
Installing anchor ear in the junction of arch truss, and make the sliding surface of anchor ear be placed in short lead rail, anchor ear gathering sill is connected to the dual-side of short lead rail；
H), the installation of slip device
Described slip device selects self-crawling type hydraulic jack, self-crawling type hydraulic jack is four, self-crawling type hydraulic jack is provided with automatic telescopic folder and hinge eyes, automatic telescopic folder be respectively provided at long lead 1 or short lead rail on, hinge eyes is hinged with the piston shoes hanger on bracket piston shoes or the anchor ear hanger on anchor ear respectively；
I), the accumulation slippage of single Pin arch truss
It is located on the bracket piston shoes at arch truss two ends and four self-crawling type hydraulic jack on the anchor ear of two, middle part use computers to synchronize to drive and control, under the batch (-type) of four self-crawling type hydraulic jack drives, arch truss implements accumulation slippage along longitudinal on long guideway and short lead rail；
J), the accumulation slippage of many Pin arch truss
Between the arch truss of two Pin or two more than Pin, connecting rod is set, and a Pin arch truss on support jig side is driven by self-crawling type hydraulic jack, under the batch (-type) of self-crawling type hydraulic jack drives, by the transmission successively of connecting rod, many Pin arch truss implements accumulation slippage, until many Pin arch truss arrives separately at the installation position of counter structure post along longitudinal on long guideway；
K), the dismounting of slip device
Automatic telescopic in self-crawling type hydraulic jack is pressed from both sides and separates from long guideway and short lead rail, hinge eyes piston shoes hanger from bracket piston shoes and the anchor ear hanger on anchor ear are separated, dismantle self-crawling type hydraulic jack；
L), anchor ear and the dismounting of bracket piston shoes
Now the anchor ear of arch truss junction is separated, again with jack by arch truss jack-up, the slidable panels making bracket piston shoes departs from long guideway, and the tip interface of bracket piston shoes is separated from the piston shoes seat of arch truss, release jack, the mounting seat of arch truss is seated on structural column and adjusts and fastens；
M), guide rail and the dismounting of support jig
Removing the long guideway arranged on parapet, remove the short lead rail arranged on support jig, finally remove support jig, large-span truss accumulation slippage installs.
The present invention uses the mode arranging support jig, and multistage large-span truss is implemented segmentation lifting, in the air assembly；Use and arrange long guideway on parapet, support jig arranges the mode of short lead rail, implements multidigit and arranges the multiple spot promotion program of slip device；Use the mode of additional bracket piston shoes, the scope of operation being located by truss separates with the scope of operation of guide rail sliding, solve steel cable first install, the construction Difficulties of sliding after truss, make multistage large-span truss the most assembled, the installation method of many truss structures integral slipping is achieved, and has reduction construction cost, improves efficiency of construction and the reliable advantage of construction safety.
Accompanying drawing explanation
Fig. 1 is the structural representation of arch truss of the present invention；
Fig. 2 is the mounting structure schematic diagram of arch truss of the present invention；
Fig. 3 is the top view of Fig. 2；
Fig. 4 is the structural representation amplified at the A of Fig. 2；
Fig. 5 is the B structural representation to partial enlargement of Fig. 2；
Fig. 6 is the C structural representation to partial enlargement of Fig. 2；
Fig. 7 is the use view of self-crawling type hydraulic jack.
Detailed description of the invention
Below in conjunction with the embodiment of the present invention and accompanying drawing, the present invention is further described as follows.
Embodiment
Refering to Fig. 1, Fig. 2, Fig. 3, the present invention is as a example by the manufacture and installing engineering of certain sports center's venue arch truss, this arch truss 1 is multistage large-span truss structure, described arch truss 1 totally 10 Pin, each single Pin is formed by connecting by three sections of truss, the two-end-point of arch truss 1 is provided with mounting seat 11, piston shoes seat 12 and steel rope 14, is provided with steel cable 13 along lower edge, is provided with several support bar 16 between arch truss 1 and steel cable 13 between two steel ropes 14 of arch truss 1.
Refering to Fig. 1, Fig. 2, Fig. 3, the installation method of truss of the present invention is as follows, this venue arch truss 1 be arranged on civil engineering completion after carry out, i.e. outside two row's structural columns 8 of civil engineering and structural column 8, symmetrically arranged parapet 7 is implemented after completing；Owing to being limited by construction site and loop wheel machine elevating capacity, arch truss 1 cannot use the lifting in situ of traditional entirety, but uses list truss structure segmentation lifting, in the air assembly, the installation method of many truss structures integral slipping；
For convenience of narration, the span direction of i.e. arch truss 1 between two row's structural columns 8 is about set to laterally, the direction along the line of parapet 7 is about set to longitudinal direction, the fore-and-aft distance of adjacent two structural columns 8 is about set to the standard width of a room in an old-style house away from, be embodied as step as follows:
A), the making of bracket piston shoes 2
Refering to Fig. 2, Fig. 4, Fig. 5, described bracket piston shoes 2 are structural member, and its one side is provided with the tip interface 21 of arch truss 1, another side is provided with piston shoes hanger 22, bottom is provided with slidable panels, and slidable panels is provided with piston shoes gathering sill 23.
B), the making of anchor ear 5
Refering to Fig. 2, Fig. 6, described anchor ear 5 is the rectangle framework that four blocks of plates enclose, and its one side is provided with anchor ear hanger 52, bottom is provided with slidable panels, and slidable panels is provided with anchor ear gathering sill 53.
C), the setting of support jig
Refering to Fig. 2, Fig. 3, Fig. 6, longitudinally parallel on ground arranging two groups of support jigs 3, the longitudinal axis position of support jig 3 is the most corresponding with arch truss 1 junction, the longitudinal size of support jig 3 more than a standard width of a room in an old-style house away from.
D), the setting of guide rail
Refering to Fig. 2, Fig. 3, Fig. 5, Fig. 6, for realizing the accumulation slippage of truss, the present invention is along the long guideway 41 that longitudinally be arranged in parallel on the parapet of both sides, along the short lead rail 42 that longitudinally be arranged in parallel on two support jigs 3, and long guideway 41, short lead rail 42 be arranged in parallel.
E), the high-altitude of arch truss is installed
Refering to Fig. 1, Fig. 2, Fig. 3, Fig. 4, in view of factors such as component length, transport, crane capacities, single truss structure need to divide three sections of making transports to show up. the three sections of arch trusses 1 constituting a Pin winched between structural column and support jig 3, support jig 3 and support jig 3 and support jig 3 and structural column respectively, splicing is implemented in the junction of arch truss 1 by two support jigs 3, arch truss 1 installs support bar 16 and steel cable 13 after having spliced, and the disposable stretch-draw of Suo Li of steel cable 13 puts in place.
F), the installation of bracket piston shoes
Refering to Fig. 2, Fig. 4, the piston shoes seat 12 at arch truss 1 two ends is installed bracket piston shoes 2, being connected with the piston shoes seat 12 of arch truss 1 by the tip interface 21 of bracket piston shoes 2, and make slidable panels be placed on long guideway 41, piston shoes gathering sill 23 is connected to the dual-side of long guideway 41.
G), the installation of anchor ear
Refering to Fig. 2, Fig. 6, installing anchor ear 5 in the junction of arch truss 1, and make the sliding surface of anchor ear 5 be placed in short lead rail 42, anchor ear gathering sill 53 is connected to the dual-side of short lead rail 42.
H), the installation of slip device
Refering to Fig. 2, Fig. 3, Fig. 5, Fig. 6, described slip device selects self-crawling type hydraulic jack 6, self-crawling type hydraulic jack 6 is four, self-crawling type hydraulic jack 6 is provided with automatic telescopic folder 61 and hinge eyes 62, automatic telescopic folder 61 is respectively provided in long guideway 41 or short lead rail 42, and hinge eyes 62 is hinged with the piston shoes hanger 22 on bracket piston shoes 2 or the anchor ear hanger 52 on anchor ear 5 respectively；The present invention is provided with the position of anchor ear 5 in the middle part of arch truss 1 and arranges two strong points, and the position being provided with bracket piston shoes 2 in arch truss 1 two ends arranges two strong points.
I), the accumulation slippage of single Pin arch truss 1
Refering to Fig. 2, Fig. 3, Fig. 5, Fig. 6, it is located on the bracket piston shoes 2 at arch truss 1 two ends and four self-crawling type hydraulic jack 6 on the anchor ear 5 of two, middle part use computer to synchronize to drive and control, under the batch (-type) of four self-crawling type hydraulic jack 6 drives, arch truss 1 implements accumulation slippage along longitudinal on long guideway 41 and short lead rail 42；Use with 4 thrusting slips, it is ensured that the arch truss 1 stability in the large in slipping.
J), the accumulation slippage of many Pin arch truss 1
Refering to Fig. 2, Fig. 3, Fig. 5, Fig. 6, Fig. 7, connecting rod 15 is set between the arch truss 1 of two Pin or two more than Pin, and a Pin arch truss 1 on support jig 3 side is driven by self-crawling type hydraulic jack 6, under the batch (-type) of self-crawling type hydraulic jack 6 drives, by the transmission successively of connecting rod 15, many Pin arch truss 1 implements accumulation slippage, until many Pin arch truss 1 arrives separately at the installation position of counter structure post along longitudinal on long guideway 41；The present invention utilizes hydraulic synchronization sliding technology, uses computer to synchronize to drive control, it is ensured that self-crawling type hydraulic jack 6 runs simultaneously；The automatic telescopic folder 61 of the self-crawling type hydraulic jack 6 that the present invention uses has unidirectional self-lock effect, and when cylinder ejector, automatic telescopic folder 61 is by long guideway 41 or short lead rail 42 auto lock；When oil cylinder is retracted, automatic telescopic folder 61 unclamps automatically with long guideway 41 or short lead rail 42, and automatic telescopic folder 61 is pulled by oil cylinder, moves at long guideway 41 or short lead rail 42 and moves a step, treat that oil cylinder ejects again, promotes arch truss 1 to implement accumulation slippage.
K), the dismounting of slip device
Refering to Fig. 2, Fig. 5, Fig. 6, automatic telescopic in self-crawling type hydraulic jack 6 is pressed from both sides 61 separate from long guideway 41 and short lead rail 42, the hinge eyes 62 piston shoes hanger 22 from bracket piston shoes 2 and the anchor ear hanger 25 on anchor ear 5 are separated, dismantles self-crawling type hydraulic jack 6.
L), anchor ear and the dismounting of bracket piston shoes
Refering to Fig. 2, Fig. 4, now the anchor ear 5 of arch truss 1 junction is separated, again with jack by arch truss 1 jack-up, the slidable panels making bracket piston shoes 2 departs from long guideway 41, and is separated from the piston shoes seat 12 of arch truss 1 by the tip interface 21 of bracket piston shoes 2, discharges jack, the mounting seat 11 of arch truss 1 is seated on structural column 8 and adjusts and fastens, and makes the overall steadily unloading of arch truss 1 in place.
M), guide rail and the dismounting of support jig
Refering to Fig. 2, Fig. 3, Fig. 5, Fig. 6, removing the long guideway 41 arranged on parapet, remove the short lead rail 42 arranged on support jig 3, finally remove support jig 3, large-span truss accumulation slippage installs.
The present invention uses and arch truss 1 completes on support jig 3 splicing, and the disposable stretch-draw of Suo Li of the i.e. steel cable 13 of the assembling of steel cable 13 puts in place；Use bracket piston shoes 2, anchor ear 5 as the stress point of arch truss 1, use computer synchronous control to implement multidigit and the multiple spot promotion program of slip device is set；Making multistage large-span truss the most assembled, the installation method of many truss structures integral slipping is achieved.
Claims (2)
1. the structure of a long-span roofing steel truss, it is characterized in that single Pin arch truss (1) is spliced by multistage truss, the two-end-point of arch truss (1) is provided with mounting seat (11), piston shoes seat (12) and steel rope (14), it is provided with steel cable (13) along lower edge between two steel ropes (14) of arch truss (1), between arch truss (1) and steel cable (13), is provided with several support bar (16).
2. implementing an accumulation slippage construction technology for claim 1 long-span roofing steel truss, this technique is implemented after outside two row's structural columns and structural column of civil engineering, symmetrically arranged parapet completes；For convenience of narration, the span direction of the two i.e. arch truss of row's structure intercolumniations (1) is about set to laterally, the direction along the line of parapet is about set to longitudinal direction, the fore-and-aft distance of adjacent two structural columns is about set to the standard width of a room in an old-style house away from, it is characterised in that the method comprises the steps:
A), the making of bracket piston shoes
Described bracket piston shoes (2) are structural member, and its one side is provided with the tip interface (21) of arch truss (1), another side is provided with piston shoes hanger (22), bottom is provided with slidable panels, and slidable panels is provided with piston shoes gathering sill (23)；
B), the making of anchor ear
Described anchor ear (5) is the rectangle framework that four blocks of plates enclose, and its one side is provided with anchor ear hanger (52), bottom is provided with slidable panels, and slidable panels is provided with anchor ear gathering sill (53)；
C), the setting of support jig
The longitudinally parallel least one set support jig (3) that arranges on ground, the longitudinal axis position of support jig (3) is the most corresponding with arch truss (1) junction, the longitudinal size of support jig (3) more than standard width of a room in an old-style house away from；
D), the setting of guide rail
Along the long guideway (41) that longitudinally be arranged in parallel on the parapet of both sides, along the short lead rail (42) that longitudinally be arranged in parallel on two support jigs (3)；
E), the high-altitude of arch truss is installed
The multistage arch truss (1) constituting a Pin is winched to respectively between structural column and support jig (3), support jig (3) and support jig (3) and support jig (3) and structural column, splicing is implemented in the junction of arch truss (1) by support jig (3), support bar (16) and steel cable (13) are installed；
F), the installation of bracket piston shoes
Piston shoes seat (12) at arch truss (1) two ends is upper installs bracket piston shoes (2), the tip interface (21) of bracket piston shoes (2) is connected with the piston shoes seat (12) of arch truss (1), and making slidable panels be placed on long guideway (41), piston shoes gathering sill (23) is connected to the dual-side of long guideway (41)；
G), the installation of anchor ear
Installing anchor ear (5) in the junction of arch truss (1), and make the sliding surface of anchor ear (5) be placed in short lead rail (42), anchor ear gathering sill (53) is connected to the dual-side of short lead rail (42)；
H), the installation of slip device
Described slip device selects self-crawling type hydraulic jack (6), self-crawling type hydraulic jack (6) is provided with automatic telescopic folder (61) and hinge eyes (62), automatic telescopic folder (61) is respectively provided in long guideway (41) or short lead rail (42), and hinge eyes (62) is hinged with the piston shoes hanger (22) on bracket piston shoes (2) or the anchor ear hanger (52) on anchor ear (5) respectively；
I), the accumulation slippage of single Pin arch truss
It is located at that the bracket piston shoes (2) at arch truss (1) two ends are upper and self-crawling type hydraulic jack (6) on the several anchor ear in middle part (5) uses computer to synchronize to drive and control, under the batch (-type) of self-crawling type hydraulic jack (6) drives, arch truss (1) is upper along longitudinally implementing accumulation slippage at long guideway (41) and short lead rail (42)；
J), the accumulation slippage of many Pin arch truss
Connecting rod (15) is set between the arch truss (1) of two Pin or two more than Pin, and drive a wherein Pin arch truss (1) by self-crawling type hydraulic jack (6), under the batch (-type) of self-crawling type hydraulic jack (6) drives, many Pin arch truss (1) is upper along longitudinally implementing accumulation slippage at long guideway (41), until many Pin arch truss (1) arrives separately at the installation position of counter structure post；
K), the dismounting of slip device
Automatic telescopic in self-crawling type hydraulic jack (6) is pressed from both sides (61) separate from long guideway (41) and short lead rail (42), the hinge eyes (62) piston shoes hanger (22) from bracket piston shoes (2) and the anchor ear hanger (25) on anchor ear (5) are separated, dismounting self-crawling type hydraulic jack (6)；
L), anchor ear and the dismounting of bracket piston shoes
Now the anchor ear (5) of arch truss (1) junction is separated, again with jack by arch truss (1) jack-up, the slidable panels making bracket piston shoes (2) departs from long guideway (41), and the tip interface (21) of bracket piston shoes (2) is separated from the piston shoes seat (12) of arch truss (1), release jack, the mounting seat (11) of arch truss (1) is seated on structural column and adjusts and fastens；
M), guide rail and the dismounting of support jig
Removing the long guideway (41) arranged on parapet, remove the upper short lead rail (42) arranged of support jig (3), finally remove support jig (3), large-span truss accumulation slippage installs.
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| CN201610464851.0A CN106013601A (en) | 2016-06-24 | 2016-06-24 | Large-span roof steel truss structure and accumulative slipping construction technology |
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| CN201610464851.0A CN106013601A (en) | 2016-06-24 | 2016-06-24 | Large-span roof steel truss structure and accumulative slipping construction technology |
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| CN116556692A (en) * | 2023-07-11 | 2023-08-08 | 中铁建工集团有限公司 | Sliding construction method of triple span arch truss |
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| CN106499238A (en) * | 2016-10-31 | 2017-03-15 | 环球汇能（北京）科技有限公司 | A kind of method and the canopy that is built for building canopy |
| CN106592984A (en) * | 2016-11-30 | 2017-04-26 | 浙江精工钢结构集团有限公司 | High-position equal-elevation with-column slipping structure and method for large-span space structure |
| CN106760529A (en) * | 2016-12-06 | 2017-05-31 | 中铁三局集团建筑安装工程有限公司 | Roof system steel truss slipping and assembling operation platform and installation method |
| CN109281479A (en) * | 2018-09-12 | 2019-01-29 | 北京市机械施工有限公司 | A kind of gliding construction method of large span Stretching chord arch shape steel structure truss |
| CN109281479B (en) * | 2018-09-12 | 2021-04-23 | 北京市机械施工有限公司 | Slippage construction method of large-span chord-span arched steel structure truss |
| CN110439297B (en) * | 2019-08-13 | 2024-03-26 | 上海宝冶集团南京建筑有限公司 | Turnover lifting device for single-piece large-span steel truss and construction method thereof |
| CN110439297A (en) * | 2019-08-13 | 2019-11-12 | 上海宝冶集团南京建筑有限公司 | One kind is for monolithic large span steel truss overturning lifting device and its construction method |
| CN111364764A (en) * | 2019-10-12 | 2020-07-03 | 中国建筑股份有限公司 | Anti-overturning system of sliding crawler and construction method thereof |
| CN112709448A (en) * | 2020-12-22 | 2021-04-27 | 北京首钢建设集团有限公司 | Construction method for accumulated slippage of inner pipe truss in limited space |
| CN113431346A (en) * | 2021-07-29 | 2021-09-24 | 中建科工集团有限公司 | Slippage jig frame for large-span steel truss construction and construction method |
| CN113565332A (en) * | 2021-09-08 | 2021-10-29 | 中建八局第二建设有限公司 | Roof steel structure and air pipe synchronous sliding construction method |
| CN114000712A (en) * | 2021-11-24 | 2022-02-01 | 上海宝冶工程技术有限公司 | Large-span pipe truss structure downwarping deformation air slide rail system |
| CN115075562A (en) * | 2022-06-29 | 2022-09-20 | 浙江精工钢结构集团有限公司 | Method for releasing sectional construction additional stress of large-span truss structure |
| CN115075562B (en) * | 2022-06-29 | 2024-06-11 | 浙江精工钢结构集团有限公司 | Method for releasing additional stress of large-span truss structure partition phased construction |
| CN115324363A (en) * | 2022-08-16 | 2022-11-11 | 北京首钢建设集团有限公司 | N-point supporting and sliding method for multiple slideways of super-large span prestressed pipe truss |
| CN115324363B (en) * | 2022-08-16 | 2023-08-15 | 北京首钢建设集团有限公司 | N-point supporting and sliding method for multiple slide ways of extra-large-span prestressed pipe truss |
| CN116556692A (en) * | 2023-07-11 | 2023-08-08 | 中铁建工集团有限公司 | Sliding construction method of triple span arch truss |
| CN116556692B (en) * | 2023-07-11 | 2023-11-03 | 中铁建工集团有限公司 | Sliding construction method of triple span arch truss |
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