CN105926915B - Grow the construction method for workbench of encorbelmenting in Bailey beam high-altitude - Google Patents

Grow the construction method for workbench of encorbelmenting in Bailey beam high-altitude Download PDF

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Publication number
CN105926915B
CN105926915B CN201610300013.XA CN201610300013A CN105926915B CN 105926915 B CN105926915 B CN 105926915B CN 201610300013 A CN201610300013 A CN 201610300013A CN 105926915 B CN105926915 B CN 105926915B
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Prior art keywords
bailey beam
workbench
construction
encorbelmenting
encorbelmented
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CN105926915A (en
Inventor
谢继义
胡保刚
职晓云
张存钦
郭士干
蒋坤
张霞
何献忠
翟文献
周倩
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No1 Building Engineering Co Of Henan Province
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No1 Building Engineering Co Of Henan Province
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    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04GSCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
    • E04G3/00Scaffolds essentially supported by building constructions, e.g. adjustable in height
    • E04G3/18Scaffolds essentially supported by building constructions, e.g. adjustable in height supported by cantilevers or other provisions mounted in openings in the building, e.g. window openings
    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04GSCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
    • E04G5/00Component parts or accessories for scaffolds
    • E04G5/007Devices and methods for erecting scaffolds, e.g. automatic scaffold erectors

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Mechanical Engineering (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Conveying And Assembling Of Building Elements In Situ (AREA)

Abstract

The invention belongs to technical field of building construction.The construction method for workbench of encorbelmenting is grown in a kind of Bailey beam high-altitude, comprises the following steps:It is determined that workbench of encorbelmenting carries out internal force calculating and degree of safety meets, it is determined that the construction size for workbench of encorbelmenting, draws construction drawing using the form of construction work encorbelmented merely or outer end pull-up is encorbelmented;Flooring snap the line is being installed according to construction drawing, is determining Bailey beam group installation site;By tower crane mate-assist, Bailey beam group is outwards pushed by the flooring of works main body, after push in place afterwards carry out anchoring fixation;Along direction of encorbelmenting, installation is spaced from inside to outside and links shaped steel, supporting plate is laid above Bailey beam group, edge protection is set on Bailey beam group periphery, and hang close mesh safety net.The present invention realizes relative normalized, sequencing construction, the effective security for having ensured construction, efficiency of construction and construction quality are substantially increased, the workbench that can promote the use of various skyscraper cantilevered structures is set up, and has a good Social benefit and economic benefit.

Description

Grow the construction method for workbench of encorbelmenting in Bailey beam high-altitude
Technical field
The invention belongs to technical field of building construction, and in particular to grow the construction for workbench of encorbelmenting in a kind of Bailey beam high-altitude Method.
Background technology
With the fast development of domestic economy and the progress of building technology, city middle-high building is more and more, modern high Layer building often uses concrete cornice in design, cornices and chooses the horizontal range of skyscraper alien invasion and can typically reach 4 ~6m, although this design of concrete cornice has reached apparent visual effect elegant in appearance, but also give construction link Cause larger constructional difficulties;In addition, it is flat that support should not be done using common steel tube support when Zhong Dang buildings height of constructing is higher than 50m Platform, and then for building cantilevered structure construction;When the horizontal range for choosing skyscraper alien invasion of high-altitude overhanging platform is more than During 7m, using normal section steel outrigger platform, its overall mechanics stress performance is not sufficiently stable, it is impossible to ensure outrigger platform rigidity, when When load is larger, easily occur to trigger cantilevered structure construction safety accident.
The content of the invention
The purpose of the present invention is to be directed to above-mentioned problem and shortage, there is provided grows work of encorbelmenting and puts down in a kind of Bailey beam high-altitude The construction method of platform, not only overall mechanics structural behaviour is stable for it, effective control can be carried out to construction safety, and construct Fast, convenient disassembly, repeatable utilization.
Adopted the technical scheme that to reach above-mentioned purpose:
The construction method for workbench of encorbelmenting is grown in a kind of Bailey beam high-altitude, and the construction method comprises the following steps:
1. the drafting of encorbelment way choice and construction drawing:Length l and selected shellfish are chosen according to workbench of encorbelmenting Thunder depth of beam size H, it is determined that the form of construction work that workbench use is encorbelmented merely or outer end pull-up is encorbelmented of encorbelmenting, wherein, work as l ≤ 6H and during l≤7m, is constructed using the simple mode of encorbelmenting, as 7m < l≤13m and l≤10H, using outer end pull-up side Formula is constructed, and determines arrangement and method for construction;With reference to the load Q carried needed for workbench the and dead weight of platform G that encorbelments that encorbelments, enter The internal force of capable workbench of encorbelmenting calculates, and the degree of safety for workbench of encorbelmenting is checked, it is determined that the structure for workbench of encorbelmenting Size requirement is made, draws construction drawing;
2. determine construction location, assembled Bailey beam group:Flooring snap the line is being installed according to construction drawing, is determining that Bailey beam group is pacified Holding position, and open up anchor hole in the corresponding anchor point in Bailey beam group both sides;Assembled shellfish is carried out by the order of corner behind first centre Lei Liang groups, Bailey beam are one group by two panels, are assembled in the flooring of works main body;
3. Bailey beam group is sent outside, anchored:By tower crane mate-assist, Bailey beam group is pushed out by the flooring of works main body Send, after push in place, Bailey beam group and works main body are carried out by anchoring fixation by anchor hole, in this approach, will be all Bailey beam group all sends anchoring construction completion outside;When being constructed using outer end pull-up mode, choose determine pull bar both ends respectively with In Bailey beam group and works main body to drawing node, complete between Bailey beam group and works main body to pull-up structure;
4. the support protection system on Bailey beam group top is installed:Along direction of encorbelmenting, installation is spaced from inside to outside and links shaped steel, Shaped steel is linked to be fixedly connected for right-angled intersection with Bailey beam;After the completion of shaped steel installation to be linked is fixed, spread above Bailey beam group If supporting plate, edge protection is set on Bailey beam group periphery, and hangs close mesh safety net, so far, it is outstanding to complete Bailey beam high-altitude length Choose the construction of workbench.
Step 3. in, be connected between described Bailey beam group and works main body by anchor connection device, it is described Anchor connection device include lower fagging, upper fagging and two connecting rods being arranged between lower fagging and upper fagging, with anchor hole PVC sleeve pipes are arranged with corresponding connecting rod.
Described connecting rod upper end is provided with thread segment, and is locked by nut and Bailey beam;Connecting rod lower end with Lower fagging is welded and fixed, or thread segment is also provided with connecting rod lower end, and is locked by nut and works main body;Its In, screw-down torque M >=50N.m of nut, the spacing between two connecting rods is more than the width of single group Bailey beam group, described nut Distance s >=25mm away from connecting rod both ends.
Step 4. in, link and fixed between shaped steel and Bailey beam by lockable mechanism, described lockable mechanism include set Put two U-shaped card hoops for linking shaped steel both sides and being crossed in Bailey beam and riding upon link on shaped steel and both ends respectively with The locking pressing plate that two U-shaped card hoops are fixedly connected.
Step 4. in, link shaped steel and be equidistantly spaced 1.5m and uniformly be arranged in parallel.
Step 3. in, the angle between pull bar and Bailey beam is 45 °~60 °.
Pad is provided with protection billet between described Bailey beam group and the flooring of works main body, is set in Bailey beam group bottom It is equipped with walking roller.
Step 1. in, with reference to the form of construction work of selection, after the internal force of the workbench that encorbelment calculates, pass through《Steel knot Structure design specification》GB50017 and Bailey beam technical parameter, to workbench and the workbench support zone of encorbelmenting of encorbelmenting The degree of safety of works main body section checked.
When the works body edge load bearing beam power deficiency for workbench support zone of encorbelmenting, by being set in side bar bottom Boundary beams reinforcement support is reinforced.
When using the form of construction work encorbelmented merely, force parameter is in its workbench of encorbelmenting:
Combined load:Q=1.2G+1.4Q;
End reaction:
Inner anchor force:
Moment of flexure:
Outer end amount of deflection:
When the form of construction work encorbelmented using outer end pull-up, force parameter is in its workbench of encorbelmenting:
Combined load:Q=1.2G+1.4Q;
End reaction:
Outer end draw-bar pull:
Moment of flexure:
Outer end amount of deflection:
Wherein, EI is the bending stiffness of Bailey beam.
Using above-mentioned technical proposal, acquired beneficial effect is:
1. the present invention can realize sequencing construction technology, pass through the determination of arrangement and method for construction, the assembling of Bailey beam group, Bei Lei Beam group sends setting up for anchoring and final support protection system outside, realizes relative normalized, sequencing construction, greatly Big to improve efficiency of construction and construction quality, the present invention derives for simple overhanging type, outer end pull-up outrigger platform simultaneously Go out calculating formula of internal forces, carry out internal force calculating, can effective integrally-built stressing conditions of control outrigger platform, so as to effective Guarantee construction security;
2. the present invention carries out works main body, Bailey beam group, the connection for linking shaped steel using anchor connection device, lockable mechanism It is fixed, realize fast and effectively location and installation and fix, not only speed of application is fast, load is uniformly firm, and can realize fast The dismounting of speed, effectively shortens construction period, additionally it is possible to repeated recycling utilize, greatly reduce construction cost;
3. being connected by whole load system of the invention, can realize and be set up on more than 50m skyscraper Safe workbench of encorbelmenting, with reference to the construction method of its sequencing, various high levels can be promoted the use of and built Setting up for the workbench of cantilevered structure is built, there is good Social benefit and economic benefit.
Brief description of the drawings
The simple overhanging type that Fig. 1 is the present invention is encorbelmented the structural representation of workbench.
The outer end pull-up that Fig. 2 is the present invention is encorbelmented the structural representation of workbench.
Fig. 3 is the structural representation that tower crane aids in Bailey beam group to send outside.
Fig. 4 is the structural representation of anchor connection device.
Fig. 5 is the structural representation of lockable mechanism.
Fig. 6 be in Fig. 5 W to structural representation.
Fig. 7 is the internal force diagram of form of construction work of encorbelmenting merely.
Fig. 8 is the internal force diagram that outer end pulls up form of construction work.
Fig. 9 is walking roller and the mounting structure schematic diagram for protecting billet.
Sequence number in figure:1 it is works main body, 2 be Bailey beam group, 3 is anchor connection device, 4 to link shaped steel, 5 be protection Billet, 6 be walking roller, 7 be lower fagging, 8 be upper fagging, 9 be connecting rod, 10 be PVC sleeve pipes, 11 be nut, 12 be U-shaped Clip, 13 be locking pressing plate, 14 be pull bar, 15 be tower crane.
Embodiment
The embodiment of the present invention is elaborated below in conjunction with accompanying drawing.
Embodiment one:The construction method for workbench of encorbelmenting is grown in a kind of Bailey beam high-altitude, and the construction method includes following step Suddenly:
The mode 1. selection is encorbelmented:Length l and the height dimension H of selected Bailey beam are chosen according to workbench of encorbelmenting, really Surely the form of construction work that workbench of encorbelmenting is encorbelmented using the form of construction work encorbelmented merely or outer end pull-up, in the present embodiment, pin Choose length l≤7m to workbench of encorbelmenting, and used Bailey beam its meet l≤6H in the case of, hanged merely The mode of choosing is constructed, as shown in figure 1, thereby determining that arrangement and method for construction.
After arrangement and method for construction is selected, with reference to encorbelment the load Q carried needed for workbench and workbench of encorbelmenting deadweight G, the internal force for the workbench that encorbelment calculates, as shown in fig. 7, wherein:
Combined load q=1.2G+1.4Q;
End reaction:
Inner anchor force:
Moment of flexure:
Outer end amount of deflection:
Wherein, EI is the bending stiffness of Bailey beam.
Pass through《Code for design of steel structures》GB50017 and the technical parameter of Bailey beam requirement, to workbench of encorbelmenting, with And the degree of safety of the works main body section for workbench support zone of encorbelmenting is checked, it is ensured that it is whole encorbelment workbench and The works main body section bearing capacity safety and stability for workbench of encorbelmenting is supported, it is determined that the construction size for workbench of encorbelmenting will Ask, finally draw construction drawing.
2. determine construction location, assembled Bailey beam group:Flooring snap the line is being installed according to construction drawing, is determining that Bailey beam group is pacified Holding position, and open up anchor hole in the corresponding anchor point in Bailey beam group both sides;Assembled shellfish is carried out by the order of corner behind first centre Lei Liang groups, to prevent Bailey beam monolithic from rolling, it is one group that Bailey beam is pressed into two panels, and group is carried out on the flooring of works main body Dress;In order to prevent Bailey beam group from directly being contacted with works watch box flooring, flooring is damaged, in Bailey beam group and works Pad is provided with protection billet 5 between the flooring of main body, and the bottom of Bailey beam group 2 is provided with walking roller 6, so as to convenient Bailey beam group is sent outside.
3. Bailey beam group is sent outside, anchored:As shown in figure 3, by the mate-assist of tower crane 15, by Bailey beam group 2 by structure owner The flooring of body 1 outwards pushes, after push in place, by anchor hole and anchor connection device 3 by Bailey beam group 2 and works main body 1 carries out anchoring fixation, in this approach, all sends all Bailey beam groups 2 outside anchoring construction.
Wherein, anchor connection device 3 includes lower fagging 7, upper fagging 8 and is arranged between lower fagging 7 and upper fagging 8 Two connecting rods 9, PVC sleeve pipes 10 are arranged with connecting rod 9 corresponding with anchor hole, the upper end of connecting rod 9 is provided with thread segment, and leads to Nut 11 is crossed to be locked with Bailey beam;The lower end of connecting rod 9 is welded and fixed with lower fagging, or is also provided with spiral shell in the lower end of connecting rod 9 Line section, and be locked by nut 11 and works main body;To ensure the stability of anchor structure, the screwing force of nut 11 Square M >=50N.m, the spacing between two connecting rods 9 are slightly larger than the width of single group Bailey beam group, and nut 11 is away from the both ends of connecting rod 9 Distance s >=25mm.
4. the support protection system on Bailey beam group top is installed:Along direction of encorbelmenting, equidistantly interval 1.5m pacifies from inside to outside Load system shaped steel 4, link shaped steel 4 and arranged with Bailey beam for right-angled intersection, and be fixedly connected by lockable mechanism, lockable mechanism bag Include to be arranged on the two U-shaped card hoops 12 for linking the both sides of shaped steel 4 and being crossed in Bailey beam and ride upon and link on shaped steel 4 and two The locking pressing plate 13 that is fixedly connected respectively with two U-shaped card hoops 12 is held, by U-shaped card hoop 12 and locking pressing plate by Bailey beam and company It is that shaped steel 4 is fixed.
After the completion of the installation of shaped steel 4 to be linked is fixed, supporting plate is laid above Bailey beam group 2, is set on the periphery of Bailey beam group 2 Edge protection is put, and hangs close mesh safety net, so far, completes the construction that workbench of encorbelmenting is grown in Bailey beam high-altitude.
After the completion of the cornice structure construction for treating skyscraper, the dismounting for the workbench that encorbelment, its dismounting order is with taking If order is opposite.
Remove the support protection system encorbelmented on workbench, the dismounting for linking shaped steel, it is necessary to from outside inside by root Remove, ensure to remove the locational space safety that worker stands;Dismounting for Bailey beam, by Bailey beam encorbelment outermost end fix hang After hook, installation safety rope is connected in Bailey beam tail end, and with concrete column;Start to unclamp Bailey beam anchoring by root, and install and remove Small barre and hoist engine are transported in Bailey beam tail end;Bailey beam is separated piecewise, must be set in the process in Bailey beam both sides anti-down Measure, prevent beret truss from rolling;Bailey beam is pulled in floor and disintegrated.The position that tower crane can lift is transported to, is hung by tower crane It is transported to ground.
Embodiment two:Essentially identical referring to the structure and embodiment one of Fig. 2-Fig. 6 the present embodiment, something in common is no longer heavy State, it is a difference in that:What the present embodiment was directed to encorbelment, and workbench chooses in the case that length l meets 7m < l≤13m, together When, when the size of the Bailey beam of selection meets l≤10H, constructed using outer end pull-up mode, arrangement and method for construction is pulled up in outer end In, the angle between pull bar 14 and Bailey beam is 45 °~60 °.
After the arrangement and method for construction is selected, it is necessary to reference to the load Q carried needed for workbench and the workbench of encorbelmenting of encorbelmenting Deadweight G, the internal force for the workbench that encorbelment calculates, as shown in figure 8, wherein:
Combined load:Q=1.2G+1.4Q;
End reaction:
Outer end draw-bar pull:
Moment of flexure:
Outer end amount of deflection:
Wherein, EI is the bending stiffness of Bailey beam.
Such as after security performance is adjusted, the works body edge load bearing beam power deficiency for workbench support zone of encorbelmenting When, it is necessary to by side bar bottom set boundary beams reinforcement support reinforced, i.e., by set up steel column support side bar.
Construction procedure for pull bar is chosen, it is necessary to after the completion of Bailey beam group sends anchoring outside and determines pull bar both ends difference With to drawing node, completed in Bailey beam group and works main body between Bailey beam group and works main body to pull-up structure.
General principle, principal character and the advantages of the present invention of the present invention has been shown and described above.The technology of the industry For personnel it should be appreciated that the present invention is not limited to the above embodiments, that described in above-described embodiment and specification is the present invention Principle, various changes and modifications of the present invention are possible without departing from the spirit and scope of the present invention, these change and Improvement is both fallen within the range of claimed invention.The protection domain of application claims by appended claims and its Equivalent defines.

Claims (10)

  1. The construction method of workbench 1. a kind of Bailey beam high-altitude length is encorbelmented, it is characterised in that:The construction method includes following step Suddenly:
    1. the drafting of encorbelment way choice and construction drawing:Length l and selected Bailey beam are chosen according to workbench of encorbelmenting Height dimension H, it is determined that workbench of encorbelmenting is using encorbelmenting merely or the form of construction work encorbelmented of outer end pull-up, wherein, as l≤6H And during l≤7m, constructed using the simple mode of encorbelmenting, as 7m < l≤13m and l≤10H, entered using outer end pull-up mode Row construction, determines arrangement and method for construction;With reference to the load Q carried needed for workbench the and dead weight of platform G that encorbelments that encorbelments, hanged The internal force for choosing workbench calculates, and the degree of safety for workbench of encorbelmenting is checked, it is determined that the construction chi for workbench of encorbelmenting Very little requirement, draw construction drawing;
    2. determine construction location, assembled Bailey beam group:Flooring snap the line is being installed according to construction drawing, is determining Bailey beam group installation position Put, and anchor hole is opened up in the corresponding anchor point in Bailey beam group both sides;Assembled Bailey beam is carried out by the order of corner behind first centre Group, Bailey beam are one group by two panels, are assembled in the flooring of works main body;
    3. Bailey beam group is sent outside, anchored:By tower crane mate-assist, Bailey beam group is outwards pushed by the flooring of works main body, After push in place, Bailey beam group and works main body are carried out by anchoring fixation by anchor hole, in this approach, by all shellfish thunders Beam group all sends anchoring construction completion outside;When being constructed using outer end pull-up mode, choose determine pull bar both ends respectively with shellfish thunder In beam group and works main body to drawing node, complete between Bailey beam group and works main body to pull-up structure;
    4. the support protection system on Bailey beam group top is installed:Along direction of encorbelmenting, installation is spaced from inside to outside and links shaped steel, is linked Shaped steel is fixedly connected with Bailey beam for right-angled intersection;After the completion of shaped steel installation to be linked is fixed, branch is laid above Bailey beam group Fagging, edge protection is set on Bailey beam group periphery, and hangs close mesh safety net, so far, complete Bailey beam high-altitude and grow work of encorbelmenting Make the construction of platform.
  2. The construction method of workbench 2. Bailey beam high-altitude length according to claim 1 is encorbelmented, it is characterised in that:In step 3. in, it is connected between described Bailey beam group and works main body by anchor connection device, described anchor connection device bag Lower fagging, upper fagging and two connecting rods being arranged between lower fagging and upper fagging are included, in connecting rod corresponding with anchor hole It is arranged with PVC sleeve pipes.
  3. The construction method of workbench 3. Bailey beam high-altitude length according to claim 2 is encorbelmented, it is characterised in that:Described Connecting rod upper end is provided with thread segment, and is locked by nut and Bailey beam;Connecting rod lower end is welded and fixed with lower fagging, Or thread segment is also provided with connecting rod lower end, and be locked by nut and works main body;Wherein, the screw-down torque of nut M >=50N.m, the spacing between two connecting rods are more than the width of single group Bailey beam group, and described nut is away from connecting rod both ends Distance s >=25mm.
  4. The construction method of workbench 4. Bailey beam high-altitude length according to claim 1 is encorbelmented, it is characterised in that:In step In 4., link and fixed between shaped steel and Bailey beam by lockable mechanism, described lockable mechanism includes being arranged on linking shaped steel two Side and two U-shaped card hoops being crossed in Bailey beam and riding upon are linked on shaped steel and both ends are fixed with two U-shaped card hoops respectively The locking pressing plate of connection.
  5. The construction method of workbench 5. Bailey beam high-altitude length according to claim 1 is encorbelmented, it is characterised in that:In step In 4., link shaped steel and be equidistantly spaced 1.5m and uniformly be arranged in parallel.
  6. The construction method of workbench 6. Bailey beam high-altitude length according to claim 1 is encorbelmented, it is characterised in that:In step 3. in, the angle between pull bar and Bailey beam is 45 °~60 °.
  7. The construction method of workbench 7. Bailey beam high-altitude length according to claim 1 is encorbelmented, it is characterised in that:Described Pad is provided with protection billet between the flooring of Bailey beam group and works main body, and Bailey beam group bottom is provided with walking roller.
  8. The construction method of workbench 8. Bailey beam high-altitude length according to claim 1 is encorbelmented, it is characterised in that:In step In 1., with reference to the form of construction work of selection, after the internal force of the workbench that encorbelment calculates, pass through《Code for design of steel structures》 GB50017 and Bailey beam technical parameter, to the works main body of encorbelment workbench and workbench support zone of encorbelmenting The degree of safety at position is checked.
  9. The construction method of workbench 9. Bailey beam high-altitude length according to claim 8 is encorbelmented, it is characterised in that:When encorbelmenting During the works body edge load bearing beam power deficiency of workbench support zone, by side bar bottom set boundary beams reinforcement support into Row is reinforced.
  10. The construction method of workbench 10. Bailey beam high-altitude length according to claim 8 is encorbelmented, it is characterised in that:
    When using the form of construction work encorbelmented merely, force parameter is in its workbench of encorbelmenting:
    Combined load:Q=1.2G+1.4Q;
    End reaction:
    Inner anchor force:
    Moment of flexure:
    Outer end amount of deflection:
    When the form of construction work encorbelmented using outer end pull-up, force parameter is in its workbench of encorbelmenting:
    Combined load:Q=1.2G+1.4Q;
    End reaction:
    Outer end draw-bar pull:
    Moment of flexure:
    Outer end amount of deflection:
    Wherein, EI is the bending stiffness of Bailey beam.
CN201610300013.XA 2016-05-05 2016-05-05 Grow the construction method for workbench of encorbelmenting in Bailey beam high-altitude Active CN105926915B (en)

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Publication number Priority date Publication date Assignee Title
CN114562096B (en) * 2022-03-18 2023-12-05 四川华远建设工程有限公司 Semi-self-supporting type high-altitude large cantilever steel reinforced concrete structure steel support platform

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CN101200975A (en) * 2007-11-26 2008-06-18 通州建总集团有限公司 High-altitude bridge type cantilever scaffold
WO2011072328A1 (en) * 2009-12-17 2011-06-23 Steve Hardiman A loading platform
CN102877638A (en) * 2012-10-19 2013-01-16 上海市机械施工有限公司 Operating platform and operating method for constructing suspension steel structure system
EP2840202A1 (en) * 2013-08-23 2015-02-25 Hitachi Ltd. Working scaffold girder structure for a boiler furnace
CN104989092A (en) * 2015-05-28 2015-10-21 杭州江润科技有限公司 Construction method of high-altitude overhang superposition type steel truss bearing platform
US20160069095A1 (en) * 2012-11-30 2016-03-10 Chicago Bridge & Iron Company Self-jacking scaffold for large cylindrical tanks

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Publication number Priority date Publication date Assignee Title
CN101200975A (en) * 2007-11-26 2008-06-18 通州建总集团有限公司 High-altitude bridge type cantilever scaffold
WO2011072328A1 (en) * 2009-12-17 2011-06-23 Steve Hardiman A loading platform
CN102877638A (en) * 2012-10-19 2013-01-16 上海市机械施工有限公司 Operating platform and operating method for constructing suspension steel structure system
US20160069095A1 (en) * 2012-11-30 2016-03-10 Chicago Bridge & Iron Company Self-jacking scaffold for large cylindrical tanks
EP2840202A1 (en) * 2013-08-23 2015-02-25 Hitachi Ltd. Working scaffold girder structure for a boiler furnace
CN104989092A (en) * 2015-05-28 2015-10-21 杭州江润科技有限公司 Construction method of high-altitude overhang superposition type steel truss bearing platform

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