Staircase shockproof
The rest platform and floor elevation of the general stairway are staggered by half a floor, and the upper space of the stairwell is high, which makes the stairs in the multi-storey civil building become a weak part of the earthquakeproof. Therefore, in the earthquake zone of level 7 or above, especially in brick-concrete structures, regardless of the steel, wood or reinforced concrete floor, the double-story staircase (8) ladder should consider the earthquake-proof problem. The specific measures are:
1. Try not to set stairs at the gable of the building.
2. Pass the reinforced concrete floor ring beam cast on site through the stairwell
3. Improve the mortar marking of the masonry in the stairwell and strengthen the wall
4. All nodes of the assembled staircase shall be firmly connected to avoid prefabricated stair steps and unreinforced brick slabs inserted into the wall.
5. Add structural columns to the cross wall of the stairwell.
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