我国地处太平洋和欧亚两大世界地震带之间,是一个多地震国家,在抗震抢险救灾中,公路运输时抢救人民生命财产,尽快恢复生产和重建家园的重要环节,震区工程结构的损坏坍塌,不仅阻碍当时的救灾行动,而且影响灾后的恢复工作,造成的直接和间接经济损失很大,工程结构的抗震尤为重要。 Our country is located between the two major world seismic belts in the Pacific Ocean and Eurasia. It is an earthquake-stricken country. During the earthquake relief and rescue work, people rescued people’s lives and property during road transportation, restored the important links of production and rebuilding their homes as soon as possible, Damage to collapses not only hinder the relief operations at the time, but also affect the post-disaster recovery work, resulting in direct and indirect economic losses. The earthquake resistance of the project structure is particularly important.