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Scaffolding engineering knowledge of the door scaffolding system

Time: 2019-04-23 16:08:18

Click: 180

1, the erection of scaffolding 1) The order of the door scaffolding is: basic preparation → placing the pad → placing the base → vertical two-piece door fram

1, the erection of scaffolding
1) The order of the door scaffolding is: basic preparation → placing the pad → placing the base → vertical two-piece door frame → installing the cross bar → installing the scaffold board → repeating the installation of the door frame, the cross bar and the scaffolding process .
2) The foundation must be compacted, and a layer of 100mm thick slag should be laid, and the drainage slope should be done to prevent water accumulation.
3) The door type steel scaffolding should be set from one end to the other end. The upper step scaffolding should be carried out after the next step scaffolding is completed. The direction of the erection is the opposite of the next step.
4) For the erection of the door scaffolding, first insert two gantry brackets on the base of the terminal, and then install the crossbars to fix them, lock the locking shackles, and then set up the gantry for the next one. And lock pieces.
5) Scissor support should be provided on the outside of the door steel scaffolding, and the vertical and vertical directions should be set continuously.
6) The scaffolding must be provided with a reliable connection with the building. The distance between the joints should not be greater than 3 steps, and the vertical direction should not be greater than 3 steps (when the scaffold height is<20m) 2="" and="" steps="" the="" height="" of="" scaffolding="" is="">20m).
[Door scaffolding 1]
2. Demolition of scaffolding
1) Preparation before dismantling the scaffold: comprehensively inspect the scaffolding, focus on checking whether the fastener connection and support system, etc. meet the safety requirements; prepare the demolition plan according to the inspection results and site conditions and approve it by the department; carry out the technical disclosure; On-site situation, set a fence or warning sign, and have a special guard; remove the materials, wires and other debris left in the scaffold.
2) The work area where the shelf is removed is strictly prohibited from entering by non-operators.
3) Before dismantling, there should be approval procedures for the person in charge of the on-site construction. When dismantling the shelves, there must be a special person to command, so that the up and down echoes and the actions are coordinated.
4) The order of demolition should be the first part of the rear erection, the first erected parts are removed, and the removal method of pushing down or pulling down is strictly prohibited.
5) The fixing parts should be removed layer by layer with the scaffold. When removing the last section of the riser, the temporary support should be reinforced before the fixing parts and the support parts can be removed.
6) The removed scaffolding components should be transported to the ground in time, and it is strictly forbidden to throw from the air.
7) Scaffolding parts transported to the ground should be cleaned and maintained in time. Apply anti-rust paint as needed, and put it into the warehouse according to the variety and specifications.
The above contents are organized according to the problems encountered by the students in the actual work, for reference, if there is any problem, please communicate and correct in time.

 

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