Standard No.:	GB/T 31314-2014
English Name:	Multi wires of large diameter strand with high-strength and low-relaxation strand for prestressing
Chinese Name:	多丝大直径高强度低松驰预应力钢绞线
Chinese Classification:	H49    Steel wire and wire rope
Professional Classification:	GB    National Standard
ICS Classification:	77.140.65 77.140.65    Steel wire, wire ropes and link chains 77.140.65
Issued by:	AQSIQ; SAC
Issued on:	2014-12-05
Implemented on:	2015-9-1
Status:	valid
Language:	English
File Format:	PDF
Word Count:	7500 words
Price(USD):	220.00
Delivery:	via email in 1~3 business day

本标准规定了1×19类,直径为17.8mm~28.6mm 多丝大直径高强度低松弛预应力钢绞线的术语和定义、代号与标记、订货内容、尺寸、外形、重量及允许偏差、盘重、盘径、技术要求、试验方法、检验规则、包装、标志和质量证明书等。
本标准适用于桥梁、高层建筑、大型场馆、岩土锚固、巷道锚固领域中应用的多丝大直径高强度低松弛预应力钢绞线(以下简称“钢绞线”)。