Guangxi green public **** building material saving requirements construction project introduction?

Guangxi green building evaluation standard specifies the basic requirements and grade division of green building evaluation in Guangxi Zhuang Autonomous Region. Applicable to the administrative region of guangxi zhuang autonomous region within the scope of residential buildings and public **** building in the office building, shopping mall building and hotel building green building evaluation and grade division. Among them, what are the requirements of Guangxi green building evaluation standards for green public **** building material saving and material resource utilization? The following is a building network brought about by the content of Guangxi green public **** building material saving requirements for reference.

The content of hazardous substances in building materials meets the requirements of GB 18580 to GB 18588 and GB 6566.

The building modeling elements are simple, without a large number of decorative components.

The weight of construction materials produced within 500 km of the construction site accounts for more than 65% of the total weight of construction materials.

Cast-in-place concrete is ready-mixed.

Building structure materials reasonably adopt high-performance concrete and high-strength steel.

The solid waste generated during construction, demolition of old buildings and site cleanup is categorized and treated, and the reusable and recyclable materials therein are recovered and reused.

Consider the recyclability of materials in the selection of building design. Under the condition of ensuring safety and not polluting the environment, the weight of recyclable materials used accounts for more than 10% of the total weight of the building materials used.

Civil construction and decoration works are designed and constructed in an integrated manner, without destroying and dismantling existing building components and facilities, avoiding repeated decoration

Office and shopping malls use flexible partitions in the interior of the buildings, reducing the waste of materials and garbage generated when redecorating.

Use building materials produced from waste as raw materials, with the amount accounting for no less than 30% of similar building materials, provided that performance is guaranteed.

Reinforced concrete structures use new material-saving technologies such as cast-in-place concrete hollow floor slab technology and pre-stressed reinforced concrete structures.

The mortar adopts pre-mixed mortar or dry-mixed mortar.

The use of intensively produced building materials, standardized components and equipment; the use of industrially produced common and standardized structural components in the design of building structures.

Use of new wall materials.

No use of organic-type insulation materials.

Adoption of building structure systems with low resource consumption and environmental impact.

The utilization rate of reusable building materials is greater than 5%.

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