GB/T 12987-2008 Concrete hollow floor slab and complete sets for village constructs
GB/T 12987-2008 Concrete hollow floor slab and complete sets for village constructs
Basic Information
Scope
This standard specifies the classification, raw materials, technical requirements, test methods, inspection rules, factory conformity certificates, marking, storage and transportation of concrete round-hole slabs (hereinafter referred to as round-hole slabs) and matching components (hereinafter referred to as matching components) used in rural and township construction for housing, offices, primary and secondary school classrooms, and other buildings, such as flooring, roofing, and ceilings.
This standard applies to round-hole slabs and matching components, including concrete doors and windows lintels (hereinafter referred to as lintels), balcony cantilever beams (hereinafter referred to as balcony beams), and stair treads (hereinafter referred to as treads), used in rural and township construction for housing, offices, primary and secondary school classrooms, and other buildings.