Скачать
Forepole Support for Tunnels
Автор: Geotechnical Designs
Загружено: 11 февр. 2023 г.
Просмотров: 11 748 просмотров
Описание:
The umbrella arch is a temporary support system forming a structural umbrella from the insertion of an assortment of longitudinal support members installed from within the tunnel, above and around the crown of the tunnel face.
Video Credit : • NATM
Rail System Net
Доступные форматы для скачивания:
Скачать видео mp4
-
Информация по загрузке:
