The Xiamen Haicang double-arch tunnel has a maximum span of45.73 m and a minimum burial depth of 5.8 m.A larger deformat......

鉴于传统中墙连拱隧道在结构受力性能、防排水效果等方面的缺陷,认为复合式曲中墙为软弱煤系地层下双连拱隧道理想的中墙结构型式......