专利检索 ap:("ETH ZÜRICH" OR "SIKA TECHNOLOGY AG") AND inv:"Amir Reza SHAHAB" 第 1 页

1.

发明申请
ADMIXTURE FOR PREVENTING SWELLING OF ANHYDRITE CONTAINING ROCK MATERIAL 有权

公开(公告)号：US20210040847A1

公开(公告)日：2021-02-11

申请号：US16976915

申请日：2019-02-15

申请人： ETH ZÜRICH , SIKA TECHNOLOGY AG

发明人： Robert FLATT , Timothy WANGLER , Amir Reza SHAHAB

IPC分类号： E21D9/00 , C09K15/06 , C09K15/20 , C09K15/22

摘要： A chemical inhibitor is used for reducing and/or preventing swelling of anhydrite containing rock material, wherein, the chemical inhibitor is used during construction work, especially in tunnel construction through rock material, especially in drill and blast tunnel construction work and/or in tunnel construction with a tunnel boring machine.