ISO标准砂 ISO sand 用于检验水泥胶砂强度的基准物质,由粒径范围 0.08~0.5mm,0.5~1.0mm,1.0~2.0mm三级配石英砂组成。 来自《公路工程水泥及水泥混凝土试验规程》(JTG 3420—2020)《Testing Methods of Cement and Concrete for Highway Engineering》 |
点击进入微试验APP电脑版|微试验 ( 粤ICP备16061854号 )粤公网安备44188102001003
GMT+8, 2024-1-6 08:52 , Processed in 0.052787 second(s), 18 queries .
Powered by Discuz! X3.4
Copyright © 2001-2021, Tencent Cloud.