Standard No.:	MT 314-1992
English Name:	Diamond Mesh Used for Intermediate Ceiling of Coal Mine
Chinese Name:	煤矿假顶用菱形金属网
Chinese Classification:	D98    Coal mine special equipment
Professional Classification:	MT    Professional Standard - Coal
Source Content Issued by:	MOE
Issued on:	1992-12-15
Implemented on:	1993-7-1
Status:	superseded
Superseded by:	KA/T 314-1992
Superseded on:	1993-7-1
Superseding:	公告：国家矿山安全监察局公告 2026年第2号
Target Language:	English
File Format:	PDF
Word Count:	3000 words
Translation Price(USD):	244.0
Delivery:	via email in 1~3 business day

本标准规定了煤矿井下假顶用菱形金属网(以下简称“菱形网”）的规格参数、技术要求、试验方法、检验规则及标志、包装、运输、储存。
本标准适用于煤矿井下厚煤层及特厚煤层分层开采时作人工假顶、单一煤层破碎顶板局部护顶、工作面收尾及巷道支护等用的菱形网。