Template demolition sequence is generally non-bearing template first, then bearing template; First the side plate, then the bottom plate. Follow the principle of first supporting and then dismantling, dismantle the non-bearing part first, then dismantle the bearing part, from top to bottom. When dismantling the formwork, it is forbidden to use sledgehammer and crowbar to smash and pry.
When ripping, the staff should stand in a safe place to avoid accidents. After all the templates in this section are dismantled, General Fang will transport the templates, fittings and supports out of the yard. Dismantled templates, accessories, etc. Do not throw it away. Someone should meet and transport them, and pile them in the designated place, and clean, repair and coat the isolation agent in time for use.
Demolition of vertical formwork should be carried out from top to bottom. When dismantling the pillar under the beam with large span, it should be dismantled from the middle of the span to both ends respectively. When dismantling the bottom formwork of beam and floor slab, loosen the wooden wedge or lower the bracket first, and then dismantle it piece by piece or piece by piece. The dismantled formwork shall be hoisted to the ground by ropes, and shall not fall from the sky.
The removal of multi-storey floor columns shall be carried out according to the following requirements:
When the upper floor is poured with concrete, the formwork support of the lower floor shall not be removed, and only a part of the support of the lower floor can be removed. Support should be left under the beam with a span of 4M or more, and the support spacing should not be greater than 3 m. ..
In the process of form removal, if concrete is found to have quality problems affecting the whole structure, the removal should be temporarily stopped. After treatment, the demolition can be continued. The removal sequence of stair formwork is tread plate-tread side plate-tread plate bottom plate.