CN109778714A - Assembled steel structure support platform and its installation and removal method - Google Patents
Assembled steel structure support platform and its installation and removal method Download PDFInfo
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- CN109778714A CN109778714A CN201910228463.6A CN201910228463A CN109778714A CN 109778714 A CN109778714 A CN 109778714A CN 201910228463 A CN201910228463 A CN 201910228463A CN 109778714 A CN109778714 A CN 109778714A
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Abstract
The invention discloses a kind of assembled steel structure support platform and its installation and removal methods, the support platform includes multiple rows of spaced buttress, spacing between the adjacent buttress of every two rows is consistent, it is detachable on each buttress that multiple bracing members cylinders interconnected are installed, multiple connectors are respectively connected between the adjacent bracing members cylinder of every two rows；A longitudinal I-steel across all bracing members cylinders of the row is removably installed on bracing members cylinder of every ranking in top, all longitudinal direction I-steel form a lower supporting layer, interval is equipped with multiple lateral I-steel across multiple rows of longitudinal I-steel and with longitudinal I-steel detachable connection on lower supporting layer, all transverse direction I-steel form a upper supporting layer, and steel structure or plank platform are completely covered on upper supporting layer.Assembled steel structure support platform that the present invention obtains and its installation and removal method with high security, be convenient to mount and dismount, convenient for construction the advantages of.
Description
Technical field
The present invention relates to a kind of supporting bridge platforms, and in particular to a kind of assembled steel structure support platform and its peace installation and dismantling
Discharging method.
Background technique
In the construction of bridge, the form of construction work of bridge is broadly divided into fabrication and erection construction and cast-in-situ construction
Two major classes construction method.Wherein, cast-in-situ construction is mainly include the following types: (1), mobile formwork cast-in-place construction；(2), full
Hall bracket support cast-in-place construction method；(3), steel-pipe pile bracket+Bailey bracket+bowl buckle part cast-in-place construction.Above-mentioned three kinds of construction parties
In formula, mobile formwork cast-in-place construction mechanization degree is high, without the concern for surface state but is only applicable to that specific bridge type is cast-in-place to be applied
Work, but there is a problem of that assembling is difficult, large-scale component transition transport inconvenience；For full framing, although being suitable for all
Bridge type, bracket set up work consuming time-consuming, though upper load passed through rack rod share under upright bar partial zones
Domain stress is still equal less than effective dispersion, therefore still somewhat high to the requirement of the bearing capacity of ground, for different geology items
Part needs different Ground Treatment Schemes；And then to there is material quantity big for steel-pipe pile bracket+Bailey bracket+bowl buckle part cast-in-place construction,
Not only higher cost, and working security is poor, difficulty is larger, is generally extremely difficult to the acceptance requirement of technical quality effect,
And due to the limitation of construction site, it is unfavorable for a large amount of piles and the use of fragment data, considerably increases construction cost.
Based on this, a kind of assembled steel structure support platform how is designed, so that bridge is applied Cast-in-place concrete platform and is easily achieved, and energy
Meet the safety of construction, lift bridge applies the construction quality of Cast-in-place concrete platform, reduces construction link, and it is anxious for making to assemble more convenient
Problem to be solved.
Summary of the invention
In view of the above shortcomings of the prior art, the technical problems to be solved by the present invention are: how to provide it is a kind of installation and
Convenient disassembly, quick and highly-safe assembled steel structure support platform and its installation and removal method.
In order to solve the above-mentioned technical problem, present invention employs the following technical solutions:
A kind of assembled steel structure support platform, which is characterized in that it includes multiple rows of spaced buttress, the adjacent buttress of every two rows
Between spacing it is consistent, it is detachable on each buttress that multiple bracing members cylinders interconnected are installed, in every two rows of phases
Multiple connectors are respectively connected between adjacent bracing members cylinder；It has been removably installed on bracing members cylinder of every ranking in top
One longitudinal I-steel across all bracing members cylinders of the row, all longitudinal direction I-steel form a lower supporting layer, in lower support
Interval is equipped with multiple lateral I-steel across multiple rows of longitudinal I-steel and with longitudinal I-steel detachable connection, institute on layer
There is lateral I-steel to form a upper supporting layer, steel structure or plank platform are completely covered on upper supporting layer.In this way, using multiple steel
Support tube forms multiple studdles, is consolidated by connector between adjacent two rows bracing members cylinder, and by above
It sets up two layers of I-steel and forms platform, finally completely pave platform again, bracing members cylinder and I-steel are formed by entire supporter
Architecture is firm, highly-safe；Meanwhile between bracing members cylinder, between bracing members cylinder and longitudinal I-steel, longitudinal I-steel and horizontal
To between I-steel, between adjacent row bracing members cylinder and connector be detachable connection so that entire steel structure support platform
Installation and removal it is very convenient.In addition, length is shorter since all parts are detachable, and then construction personnel can be facilitated to material
The stacking of material easily facilitates construction.
Further, the end that one piece of outer is stretched out outside bracing members cylinder is respectively equipped in the upper and lower ends of each bracing members cylinder
Plate is uniformly provided at least three grooves at one of end plate outer of every two adjacent steel support tube, in another end plate
One side towards groove is equipped with multiple protrusions for corresponding with groove and being mutually inserted with groove.In this way, by by multiple steel
The mode that support tube carries out grafting is fixed together, and then effectively shortens the lifting length of support tube, is more convenient to bracing members
Cylinder is lifted and is assembled.Simultaneously as support tube is bracing members cylinder, middle part is in hollow shape, and therefore, weight is also small, lifting
Also just more easy, lesser loop wheel machine can be used and lifted, and the support tube intensity of steel is high, has biggish supporting force.
In addition, it is small using the length for being formed by platform supports after the assembling of multiple bracing members cylinders, facilitate transhipment, meanwhile, the mode of grafting
Assembly or disassembly is quite convenient to.The end plate of each bracing members cylinder upper and lower ends can effectively increase between two neighboring bracing members
Contact area improves the stability of two neighboring bracing members cylinder, and shares partial pressure for each bracing members cylinder, improves steel branch
Support the compression strength of cylinder.
Further, it is equipped with multiple and connector in the middle part of each bracing members cylinder, trunnion is installed correspondingly, institute
It states installation trunnion and bracing members cylinder is integrally formed, and install and be fixed together between trunnion and connector by fastener.In this way,
Also it is to be detachably connected between bracing members cylinder and connector, can be easily installed and dismantle, meanwhile, the also more conducively recycling of connector
It utilizes.
Further, be equipped at intervals with multiple enforced loop planes in each bracing members cylinder, between adjacent enforced loop plane plus
Multiple vertical stiffening plates are equipped at intervals between strong ring flat-plate and end plate.In this way, enforced loop plane is homogeneously interconnected with end plate and bracing members cylinder
It connects, the intensity of bracing members cylinder can be further increased, meanwhile, the hole in the middle part of enforced loop plane also will not influence the saturating of through-hole at end plate
Water effect.
Further, it is fixed together between the buttress and the bracing members cylinder of bottom by multiple steady nails, the steady nail
One end be placed in buttress, it is outer and pass through the end plate of bracing members cylinder lower end that the other end stretches out buttress.In this way, buttress and bracing members cylinder
Between fixed by surely nail, and surely following closely mainly includes the screwed body of rod and the nut that is connected through a screw thread therewith, using this
The bracing members cylinder of buttress and bottom is fixed kind mode, and not only installation and removal are convenient, meanwhile, the steel of bottom will not be destroyed
Support tube persistently has enough to meet the need convenient for bracing members cylinder.
Further, between lateral I-steel and steel structure or template platform, between lateral I-steel and longitudinal I-steel, vertical
It is locked by fastener to I-steel and between the bracing members cylinder at top.In this way it can be ensured that lateral I-steel with
It connects and fastens between platform, lateral I-steel and longitudinal I-steel and longitudinal I-steel and bracing members cylinder, be not in position
Offset.
Further, in the web of longitudinal I-steel lower end and bracing members cylinder joint, each bracing members for being located at top
Multiple one-to-one through-holes are equipped on the end plate of cylinder upper end, end web and end web under lateral I-steel on longitudinal I-steel
Upper, longitudinal I-steel and lateral I-steel joint are equipped at intervals with multiple one-to-one mounting holes.In this way, set is logical
Hole and mounting hole are not only able to be positioned for all parts, it is ensured that the accuracy of packing density and quantity, additionally it is possible to be convenient for
The installation of fastener provides a favorable security for installation fastener.
A kind of installation method of assembled steel structure support platform, which comprises the steps of: S1, smooth location,
And the distribution of tapping structure platform and steel structure support platform structure chart are drawn according to the size in place and bridge depth of beam；S2, according to S1
In the distribution of steel structure platform and steel structure support platform structure chart be prefabricated in the factory out bracing members cylinder as described above, lateral I-shaped
Steel, longitudinal I-steel and connector；S3, by between the distribution of buttress in steel structure support platform structure chart at smooth place on S1
Away from setting buttress, and the pre-buried steady nail when pouring buttress；S4, after buttress concrete strength reaches predetermined strength, by surely following closely installation
The bracing members cylinder of bottom, and the installation connecting element between adjacent steel support tube；S5 using suspender, gradually lifts it from bottom to up
Remaining bracing members cylinder, and after the completion of each layer of bracing members cylinder lifts, the installation connecting element between adjacent steel support tube was lifting
Cheng Zhong need to bind more drawstrings on bracing members cylinder, and the direction of bracing members cylinder is adjusted by drawstring, makes bracing members cylinder during installation
It is able to maintain vertical state, and ensures to be aligned between protrusion and groove or convex buckle and jack between upper and lower two bracing members cylinders,
Carry out grafting；S6, after reaching bearing height, mounting platform longitudinal direction work steel and lateral work steel, last mounting platform steel plate or wood
Plate is fixed using tiling spot welding or fastener.In this way, can be easy to lift since the length of bracing members cylinder is small, it is entire to prop up
The installation steps for supportting platform are few, and construction is fast.
A kind of method for dismounting of assembled steel structure support platform, which comprises the steps of: S1 removes operation
Before, first confirm platform terminated using and structure safety, platform removal operation can be carried out after having dismounting condition；S2 is removed
Then the steel plate of stage+module or the fastener of plank remove the platform steel plate or plank of installation；It is longitudinal to remove mounting platform by S3
Work steel and lateral work steel, S4, bracing members cylinder and connector are removed in layering one by one, and when removing bracing members cylinder, dismounting sequence is pressed
Working backward is carried out according to erection sequence, demounting procedure is few, and the component after disassembly is also convenient for stacking.
Compared with prior art, the assembled steel structure support platform and its installation and removal method that the present invention obtains have such as
Lower advantage:
1, multiple studdles are formed using multiple bracing members cylinders, and forms platform branch by setting up two layers of I-steel above
Support, finally completely paves platform, bracing members cylinder and I-steel are formed by entire support system stabilized structure, highly-safe again；Meanwhile
All parts are detachable connection, so that installation and removal are also very convenient.
2, all parts are detachable, and length is shorter, and then construction personnel can be facilitated to easily facilitate and apply the stacking of material
Work.
Detailed description of the invention
Fig. 1 is the mounting structure schematic diagram of steel structure support platform in embodiment；
Fig. 2 is the mounting structure schematic diagram of upper and lower two bracing members cylinders in embodiment；
Fig. 3 is vertical distributed architecture schematic diagram of the stiffening plate on enforced loop plane in embodiment；
Fig. 4 is the structural schematic diagram of embodiment end plates.
In figure: buttress 1, surely nail 2, bracing members cylinder 3, end plate 31, groove 32, protrusion 33, permeable hole 34, installation trunnion 35,
Enforced loop plane 36, vertical stiffening plate 37, connector 4, longitudinal I-steel 5, lateral I-steel 6, platform 7.
Specific embodiment
Present invention will be further explained below with reference to the attached drawings and examples.
Embodiment:
As shown in Figure 1, assembled steel structure support platform provided in this embodiment includes multiple rows of spaced buttress 1, every two rows
Spacing between adjacent buttress 1 is consistent, detachable on each buttress 1 to be equipped with multiple bracing members cylinders 3 interconnected,
Multiple connectors 4 are respectively connected between the adjacent bracing members cylinder 3 of every two rows；On bracing members cylinder 3 of every ranking in top
It is removably installed a longitudinal I-steel 5 across all bracing members cylinders 3 of the row, all longitudinal direction I-steel 5 form one
Lower supporting layer, interval is equipped with multiple across multiple rows of longitudinal I-steel 5 and detachable with longitudinal I-steel 5 on lower supporting layer
The lateral I-steel 6 of connection, all transverse direction I-steel 6 form a upper supporting layer, steel structure or wood are completely covered on upper supporting layer
Plate platform 7.
It to ensure the intensity of bracing members cylinder 3, and is easily installed and it is lifted when dismantling, adopted in the present embodiment
The wall thickness of bracing members cylinder 3 is 10-25mm, and longitudinal height is determined in combination with project blue print and arrangement and method for construction.
As shown in Figure 2 and Figure 3, it is the intensity for further strengthening bracing members cylinder 3, is equipped at intervals in each bracing members cylinder
Multiple enforced loop planes 36, be equipped at intervals between adjacent enforced loop plane 36, between enforced loop plane 36 and end plate 31 it is multiple vertical plus
Strong plate 37.The vertical stiffening plate 37 be in rectangle, can also be trapezoidal or polygon, the side of vertical stiffening plate 37 respectively with steel branch
Inner wall, the enforced loop plane 36 of support cylinder 3 are fixedly connected.
As shown in Fig. 2, be originally two kinds it is red up and down two adjacent bracing members cylinders 3 specific connection structure it is as follows: every
The upper and lower ends of a bracing members cylinder 3 are respectively equipped with the end plate 31 that one piece of outer is stretched out outside bracing members cylinder, in every two adjacent steel branch
It supports and is uniformly provided at least three grooves 32 at 31 outer of one of end plate of cylinder 3, in another end plate 31 towards groove 32
It is equipped with multiple protrusions 33 for corresponding with groove 32 and being mutually inserted with groove 32 on one side.
To be equipped at intervals with four in same installation at the middle part of each bracing members cylinder 3 convenient for the installation to connector 4
Height simultaneously installs trunnion 35 in the connector of crossing distribution, and the connector installation trunnion 35 and bracing members cylinder 3 are integrally formed.
It is equipped with a through-hole on each installation trunnion 35, is equipped with a mounting hole, connector in the left and right ends of each connector 4
4 left and right ends are affixed with installation trunnion 35 adjacent thereto respectively, and by using nut after bolt-through mounting hole and through-hole
It is locked on bracing members cylinder 3.
Further, the connection structure between the bracing members cylinder 3 and buttress of bottom is as follows: be located at support column bottom and
31 outer of end plate of the bracing members cylinder 3 at top is stretched out outside the cylinder of bracing members cylinder 3, and is equipped on the two end plates 31 more
A mounting hole.
Further, between lateral I-steel 6 and steel structure or template platform 7, lateral I-steel 6 and longitudinal I-steel 5 it
Between, longitudinal I-steel 5 and be locked by fastener between the bracing members cylinder 3 at top.
Further, in the web of longitudinal 5 lower end of I-steel and 3 joint of bracing members cylinder, each steel branch for being located at top
Multiple one-to-one through-holes are equipped on support 3 upper end end plate 31 of cylinder, end web and lateral I-steel 6 on longitudinal I-steel 5
On lower end web, longitudinal I-steel 5 and 6 joint of lateral I-steel be equipped at intervals with multiple one-to-one mounting holes.
As shown in figure 4, on every piece of end plate 31, the middle part of end plate 31 be equipped with a through-hole 34, the through-hole of setting is available
The hole for hoist of suspender when being used as to lift, be also convenient for bracing members cylinder turnover transport and in bracing members cylinder internal water accumulation it is permeable.Meanwhile
The center of all through-holes 34 is on same axis, and the diameter of through-hole is not influence the true in principle of steel cylinder production structure
It is fixed.
It can be convenient for the setting of suspender, simultaneously, it is ensured that suspension centre is on same axis when lifting, so that bracing members cylinder when lifting
It is more steady.
The installation method of above-mentioned assembled steel structure support platform includes the following steps: S1, smooth location, and according to place
Size and bridge depth of beam draw the distribution of tapping structure platform and steel structure support platform structure chart；S2, according to the steel structure platform in S1
Distribution and steel structure support platform structure chart are prefabricated in the factory out bracing members cylinder 3 as described above, lateral I-steel 6, longitudinal I-shaped
Steel 5 and connector 4；Branch is arranged by the distribution spacing of buttress 1 in steel structure support platform structure chart at smooth place on S1 in S3
Pier 1, and the pre-buried steady nail 2 when pouring buttress 1；S4, after 1 concrete strength of buttress reaches predetermined strength, by surely following closely 2 installation bottoms
Bracing members cylinder 3, and the installation connecting element 4 between adjacent steel support tube 3；S5 using suspender, gradually lifts remaining from bottom to up
Bracing members cylinder 3, and after the completion of each layer of bracing members cylinder 3 lifts, the installation connecting element 4 between adjacent steel support tube 3 is lifting
In the process, more drawstrings need to be bound on bracing members cylinder 4 (when it is implemented, can bind one end of drawstring in bracing members cylinder 3
It installs on trunnion 35, the through-hole installed on trunnion 35 can provide binding point for drawstring, simultaneously, moreover it is possible to ensure that drawstring is in symmetrically to set
The middle part for being placed in bracing members cylinder 3 is set, the later period is facilitated to pull), the direction of bracing members cylinder 3 is adjusted by drawstring, makes bracing members cylinder 3
It is able to maintain vertical state during installation, and ensures to be aligned between protrusion 33 and groove 32 between upper and lower two bracing members cylinders 3,
Carry out grafting；S6, after reaching bearing height, successively mounting platform longitudinal direction work steel 6 and lateral work steel 7, finally install steel plate or
Plank platform 8 is fixed using tiling spot welding or fastener.
In S5, when lifting to bracing members cylinder 3, the length of a settable sunpender, the sunpender is greater than single-unit bracing members cylinder 3
Height, wherein one end of sunpender be equipped with a lifting hole(eyelet), sunpender the other end be equipped with one with its be connected through a screw thread block up
Head (diameter that the diameter of plug is greater than through-hole 34).Before lifting, sunpender is set up with one end of lifting hole(eyelet), and sunpender is passed through
After wearing the hole at 36 middle part of through-hole 34 and all enforced loop planes of end plate 31, plug is mounted on sunpender, meanwhile, suspension hook is hung
In the lifting hole(eyelet) of sunpender, suspender is opened, bracing members cylinder 3 can be sling.In addition, when lifting, the bracing members of 5-8m or less height
Cylinder 3 can be used crane and be lifted, and the bracing members cylinder 3 of 8m or more can be used tower crane and be lifted.
Bracing members cylinder 3 is being lifted into suitable position and with 3 upper end of bracing members cylinder of next section to thereafter, is slowly transferring steel
Support tube 3, under the self gravity of bracing members cylinder 3, upper and lower two sections bracing members cylinder 3 can complete grafting.
In addition, the taking-up for square steel supporting cylinder 3 after the completion of lifting, can not set lifting hole(eyelet) on sunpender, directly by sunpender
End bent downward, form the bending part for hanging hook.
A kind of method for dismounting of assembled steel structure support platform includes the following steps: S1, and before removing operation, first confirmation is flat
Platform terminated using and structure safety, platform removal operation can be carried out after having dismounting condition；S2 removes the steel of stage+module
Then the fastener of plate or plank removes the platform steel plate or plank of installation；S3 removes mounting platform longitudinal direction work steel and lateral work
Steel, S4, bracing members cylinder and connector are removed in layering one by one, and when removing bracing members cylinder, dismounting sequence is according to erection sequence
Carry out working backward.
Finally, it should be noted that technical side the above examples are only used to illustrate the technical scheme of the present invention and are not limiting
Case, although applicant describes the invention in detail referring to preferred embodiment, those skilled in the art should be managed
Solution, modification or equivalent replacement of the technical solution of the present invention are made for those, without departing from the objective and range of the technical program,
It is intended to be within the scope of the claims of the invention.
Claims (9)
1. a kind of assembled steel structure support platform, which is characterized in that it includes multiple rows of spaced buttress (1), every two rows phase
Spacing between adjacent buttress (1) is consistent, detachable on each buttress (1) to be equipped with multiple bracing members cylinders interconnected
(3), multiple connectors (4) are respectively connected between the adjacent bracing members cylinder (3) of every two rows；In every ranking in the bracing members on top
A longitudinal I-steel (5) across all bracing members cylinders (3) of the row, all longitudinal direction works are removably installed on cylinder (3)
Word steel (5) forms a lower supporting layer, on lower supporting layer interval be equipped with it is multiple across multiple rows of longitudinal I-steel (5) and with it is vertical
To the lateral I-steel (6) of I-steel (5) detachable connection, all transverse direction I-steel (6) form a upper supporting layer, upper
Steel structure or plank platform (7) are completely covered on supporting layer.
2. assembled steel structure support platform according to claim 1, which is characterized in that in the upper of each bracing members cylinder (3)
Lower both ends are respectively equipped with the end plate (31) that one piece of outer is stretched out outside bracing members cylinder, every two adjacent steel support tube (3) wherein
At least three grooves (32) are uniformly provided at one end plate (31) outer, in another one side of end plate (31) towards groove (32)
Equipped with multiple protrusions (33) for corresponding with groove (32) and being mutually inserted with groove (32).
3. assembled steel structure support platform according to claim 1 or 2, which is characterized in that in each bracing members cylinder (3)
Middle part is equipped with multiple and connector (4) and installs trunnion (35) correspondingly, the installation trunnion (35) and bracing members cylinder (3)
It is integrally formed, and installs and be fixed together between trunnion (35) and connector (4) by fastener.
4. assembled steel structure support platform according to claim 3, which is characterized in that be spaced in each bracing members cylinder
Equipped with multiple enforced loop planes (36), between adjacent enforced loop plane (36), it is spaced and sets between enforced loop plane (36) and end plate (31)
There are multiple vertical stiffening plates (37).
5. assembled steel structure support platform according to claim 4, which is characterized in that the steel of buttress (1) and bottom
It is fixed together between support tube (3) by multiple steady nails (2), one end of the steady nail (2) is placed in buttress (1), the other end
It stretches out buttress (1) outside and passes through the end plate (31) of bracing members cylinder (3) lower end.
6. assembled steel structure support platform described according to claim 1 or 2 or 4 or 5, which is characterized in that lateral I-steel (6)
Between steel structure or template platform (7), between lateral I-steel (6) and longitudinal I-steel (5), longitudinal direction I-steel (5) be located at
It is locked by fastener between the bracing members cylinder (3) at top.
7. assembled steel structure support platform according to claim 6, which is characterized in that in longitudinal I-steel (5) lower end
Web and bracing members cylinder (3) joint, it is each be equipped on bracing members cylinder (3) the upper end end plate (31) on top it is multiple one by one
Corresponding through-hole, on longitudinal I-steel (5) under end web and lateral I-steel (6) on end web, longitudinal I-steel (5) and horizontal
Multiple one-to-one mounting holes are equipped at intervals with to I-steel (6) joint.
8. a kind of installation method of assembled steel structure support platform, which comprises the steps of: S1, smooth location, and
The distribution of tapping structure platform and steel structure support platform structure chart are drawn according to the size in place and bridge depth of beam；S2, according in S1
The distribution of steel structure platform and steel structure support platform structure chart be prefabricated in the factory out bracing members cylinder (3) as claimed in claim 2, horizontal
To I-steel (6), longitudinal I-steel (5) and connector (4)；S3 presses steel structure support platform structure on S1 at smooth place
Buttress (1) is arranged in the distribution spacing of buttress (1) in figure, and the pre-buried steady nail (2) when pouring buttress (1)；S4, in buttress (1) concrete
After intensity reaches predetermined strength, the bracing members cylinder (3) of bottom is installed by surely following closely (2), and pacify between adjacent steel support tube (3)
Load fitting (4)；S5 using suspender, gradually lifts remaining bracing members cylinder (3) from bottom to up, and in each layer of bracing members cylinder (3)
After the completion of lifting, the installation connecting element (4) between adjacent steel support tube (3) need to be on bracing members cylinder (4) in hoisting process
More drawstrings are bound, by the direction of drawstring adjustment bracing members cylinder (3), are able to maintain bracing members cylinder (3) during installation vertically
State, and ensure the protrusion (33) between two bracing members cylinders (3) and groove (32) or convex buckle (39) up and down and jack (38) it
Between be aligned, carry out grafting；S6, after reaching bearing height, successively mounting platform longitudinal direction work steel (6) and lateral work steel (7), finally
Steel plate or plank platform (8) are installed, are fixed using tiling spot welding or fastener.
9. a kind of method for dismounting of assembled steel structure support platform, which comprises the steps of: S1, before removing operation,
First confirmation platform terminated using and structure safety, platform removal operation can be carried out after having dismounting condition；S2 removes platform
Then the steel plate of installation or the fastener of plank remove the platform steel plate or plank of installation；S3 removes mounting platform longitudinal direction work steel
And lateral work steel, S4, bracing members cylinder and connector are removed in layering one by one, and when removing bracing members cylinder, dismounting sequence is according to peace
Dress sequence carries out working backward.
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| CN110805308A (en) * | 2019-09-26 | 2020-02-18 | 中国一冶集团有限公司 | Method for installing and dismantling temporary support at top center of silo |
| CN110820577A (en) * | 2019-11-14 | 2020-02-21 | 李诺 | Intelligent support system for highway bridge construction in frozen earth section and construction method thereof |
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Application publication date: 20190521 |