Middle-guide-free multi-arch tunnel

• Main Authors: WANG LEI, ZHANG XUEMIN, ZHAO RUILONG, HU HAIBO, ZHANG JUN, XIONG WENCHAO, XI TAILONG, XU ZUHONG, WANG MINGJIANG, YANG FENG
• Format: Patent
• Language: Chinese; English
• Published: 20.09.2022
• Subjects: EARTH DRILLING; FIXED CONSTRUCTIONS; GALLERIES; LARGE UNDERGROUND CHAMBERS; MINING; SHAFTS; TUNNELS

The embodiment of the utility model provides a multi-arch tunnel without a middle guide, and relates to the field of tunnel engineering construction. The joint of the first steel arch frame and the second steel arch frame of the middle-guide-free multi-arch tunnel is located on the short side wall of the shared wall, the joint of the first steel arch frame and the second steel arch frame is arranged on the short side wall of the shared wall, the connecting height of the joint of the first steel arch frame and the second steel arch frame is reduced, the mechanical state of a multi-arch tunnel steel frame is optimized, and the service life of the multi-arch tunnel is prolonged. And the bearing performance of the connecting structure is also improved, so that the phenomenon of stress concentration at the joint of the first steel arch frame and the second steel arch frame can be greatly avoided. 本实用新型的实施例提供了一种无中导连拱隧道，涉及隧道工程施工领域。该无中导连拱隧道的第一钢拱架与第二钢拱架的连接处位于共用墙的矮边墙处，通过将第一钢拱架与第二钢拱架的连接处设置于共用墙的矮边墙处，降低了第一钢拱架与第二钢拱架连接处的连接高