id	author	title	date	pages	extension	mime	words	sentence	flesch	summary	cache	txt
ajst-30542	Li, Wenwei	A Review of the Development of Tunnels and Support Systems	2025	3	.pdf	application/pdf	2097	99	25	As the fundamental safety measure in tunnel construction, tunnel support systems play an indispensable role throughout all critical phases of both construction and operation. 1. Introduction Currently, tunnel construction is flourishing globally, and China has become a tunnel powerhouse with its massive construction scale and advanced technology.	cache/ajst-30542.pdf	txt/ajst-30542.txt