T/SCDA 040-2020 Abolished Group standards

T/SCDA 040-2020 QN floor insulation and sound insulation system construction

Publish Date: 2020-05-12 Implement Date: 2020-05-13 For services related to genuine standard inquiry, procurement, translation, and other related services in China, please Contact Us

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Basic Information

Standard Code: T/SCDA 040-2020

Standard Type: Group standards

Standard Status: Abolished

is_force_gb: no

CCS Name: Power transmission and transformation equipment

ICS Name: Comprehensive Building Materials

Publish Date: 2020-05-12

Implement Date: 2020-05-13

Scope

Main technical content: - The weighted impact sound improvement value of the QN floorboard soundproofing and thermal insulation system, ΔLW, dB≥15 - The design calculation value of the thermal conductivity of the QN soundproofing and thermal insulation board, W/(m·K) = 0.12×1.2 = 0.14 - The design calculation value of the thermal conductivity of the QN lightweight aggregate concrete, W/(m·K) = 0.28×1.3 = 0.36 - The impact sound improvement value of the QN 8mm-12mm soundproofing filler and 40mm lightweight aggregate concrete, ΔLW≥15dB