The port segment of Dianhuiping Tunnel on Changji highway has complex geologic conditions and obvious unsymmetrical pressure phenomenon, which is a multi-arch tunnel of bidirectional four roadways .

• 摘要殿会坪隧道是常吉高速公路中的一座双向四车道连拱隧道，进口段地质条件复杂，存在明显的偏压现象。