After research, The relevant provisions in the notice on clarifying the technical issues related to precast buildings (yjk [2021] No.

The technical conditions for formwork removal and plastering free shall be met for the cast building structure, and the bearing capacity and stiffness shall meet the requirements that the distance between temporary supports shall not be less than 2m; 2.

The non-metallic bottom plate materials of reinforced truss floor support plate and the connection structure between bottom plate and reinforced truss shall meet the requirements of stiffness and bearing capacity In addition, it shall comply with the provisions on fire prevention and durability.

Housing and urban rural construction committees of all districts and counties (autonomous counties), construction bureaus of Liangjiang New Area, economic development zone, Western Science City, Chongqing high tech Zone, Wansheng economic development zone and Shuangqiao Economic Development Zone, and relevant units: to further improve the regulations on the application and management of precast building technology, promote the development and application of advanced and applicable precast building technology, and promote the healthy development of precast buildings in our city.

5) on the recognition of full cast-in-situ composite floors as precast floors are revised as follows: “All cast-in-situ composite floors such as reinforced truss floor support plate and profiled steel plate floor support plate can be recognized as precast floor slab only if they meet the following conditions: 1.

” This Circular shall come into force as of the date of printing and distributing.

Chongqing Municipal Commission of housing and urban rural development may 16, 2022..

Lifting Foot Anchor