Ⅰ control term
The content of harmful substances in building materials meets the requirements of GB 18580, GB 18588 and GB 6566.
The architectural modeling elements are simple, and there are not many decorative elements.
The proportion of fully renovated residential quarters is not less than 30% of the total number of households.
Cast-in-place concrete adopts ready-mixed concrete.
Ⅱ general terms
Building materials should be based on local conditions and local materials.
Reasonable use of high-performance concrete and high-grade steel as building structural materials.
The solid wastes generated in the process of building construction, demolition of old buildings and site cleaning are classified and treated, and reusable materials and recyclable materials are recycled.
When selecting materials for architectural design, the recyclability of the materials used should be considered. Under the condition of ensuring safety and no environmental pollution, the weight of recyclable materials accounts for more than 10% of the total weight of building materials used.
The integrated design and construction of civil engineering and decoration engineering will not destroy or dismantle existing building components and facilities.
On the premise of ensuring performance, the proportion of building materials produced from waste materials is not less than 30% of similar building materials.
ⅲ optimal selection
Adopt a building structure system with little resource consumption and environmental impact.
The utilization rate of reusable building materials is greater than 5%.
Use ready-mixed mortar.
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