国家/地区 中国（2）
IPC部 C（2）
IPC大类 C09（2）
IPC小类 C09D（2）
IPC E02B003/16（2）
发明人
公开年 2021（2）
申请年 2021（2）
专利权人

Anti-seepage structure of construction joint of rockfill concrete dam comprises e.g. multi-section dam body, whose each section of dam body sequentially provided with upstream overburden layer and downstream cover layer.

WANG L, WU Y, ZHANG J, ZANG Z, GAO Q, ZHANG F, DU Q, HE X, GENG T, BI C, LI X

Asphalt waterproofing membrane comprises emulsified asphalt layer comprising composite asphalt particles, polyester tire base layer and polyethylene film, where emulsified asphalt layer is coated on surface of polyester tire base layer.

CAI W