25-08-2023 дата публикации
Номер: CN116641732A
Автор:
ZHANG FANGE,
HUANG CHANGFU,
LI WENBING,
YAO TIEJUN,
LIU ZHONGXIN,
HAN WEI,
DUAN YUANZHAO,
ZHANG YINGHUI,
XUE YONGCHUN,
CHAI HUAN,
HE LILEI,
ZHAO JINPENG,
ZHANG QIANG,
YANG MINGJUN,
QI ZHONGXIAN,
LI MING,
YANG JIAFENG,
LI SHAOHUA,
TONG YANJIE,
ZHAO LU
Принадлежит:
The invention discloses a welding-free corrugated plate-sprayed concrete tunnel primary supporting method. The method comprises the steps that a grouting steel pipe is installed and fixed on a steel corrugated plate; excavating a tunnel, and mounting a steel corrugated plate on the surface of tunnel surrounding rock; the reinforcing mesh abuts against the inner wall of the corrugated plate, the end, located on the inner side of the steel corrugated plate, of the grouting steel pipe penetrates through the reinforcing mesh, and the reinforcing mesh is fixed to the inner wall of the corrugated plate through a linear steel sleeve; a sealing piece is installed on a port, located on the inner side of the steel corrugated plate, of the grouting steel pipe, concrete is sprayed on the inner side of the steel corrugated plate, and a concrete surface layer is constructed; and the sealing piece is taken down, grouting is conducted in the gap between the surrounding rock of the tunnel and the steel ...
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