本文着重介绍福建省福州至马尾一级公路魁歧隧道的设计与施工。本隧道为双洞式,单洞断面净空为9.0m×6.86m(宽×高)。供顶为单心圆弧栱,两侧为直立式边墙,单洞施工共长3138.4米,为福建省第一座双洞式一级公路隧道。还对洞内外设施,通风照明及洞口布置作了详细介绍。 This article focuses on the design and construction of the Kuiqi Tunnel in Fuzhou, Fujian Province to Mawei Class I Highway. The tunnel is of double-hole type with a single-hole cross-section clearance of 9.0m × 6.86m (width × height). For the top single heart arc 栱, on both sides of the vertical wall, single-hole construction a total length of 3138.4 meters, as the first double-tunnel in Fujian Province Road tunnel. Also inside and outside the cave facilities, ventilation lighting and hole layout made a detailed introduction.