DIN 21521-2-1993 矿井和隧道支护用锚杆.钢制锚杆的通用规范.试验、检验方法

标准号：DIN 21521-2-1993
中文标准名称：矿井和隧道支护用锚杆.钢制锚杆的通用规范.试验、检验方法
英文标准名称：Rock bolts for mining and tunnel support; general specifications for steel-bolts; tests, testing methods
标准类型：D97
发布日期：1999/12/31 12:00:00
实施日期：1999/12/31 12:00:00
中国标准分类号：D97
国际标准分类号：73.100.10;93.020
适用范围：The document applies to rock bolts made of steel. The document specifies basic regulations for design and setting of rock bolts as well as testing methods for the properties of said bolts in as supplied conditions and after strata bolting. By the choice of the key properties and their parameters the user is to be made sure that rock bolts once set behave as scheduled. The above-mentioned choice can be made according to the configuration of tasks in each individual application case or for whole application ranges stipulated in regulations which are not part of this document.