학술논문

GETTING HIGH IN PARIS: Joseph A Dos Santos of Dos Santos International outlines the principles and benefits of sandwich conveyors and their current use on the Paris Metro expansion
Document Type
Periodical
Source
Tunnels & Tunnelling International. August, 2020, p22, 4 p.
Subject
France
Language
English
ISSN
1369-3999
Abstract
DEVELOPED BETWEEN 1979 AND 1981, Dos Santos sandwich belt high-angle (SBHA) conveyors began commercial operation in 1984. Since then some 150 systems have gone into successful operation throughout the world [...]