西汉河西地区防御工程体系及相关问题

Some Issues on the System of Defense Engineering in Hexi Area in the Western Han Dynasty

元狩二年,汉武帝派霍去病西征,最后将河西匈奴征服。自此,河西地区纳入了汉王朝版图。为了巩固这一成果并开拓西域,终西汉之世,汉朝统治者断断续续修筑了河西地区的防御工程。汉代河西地区防御工程体系完备,类型多样,地域特色鲜明,其防御功能随着汉匈关系的变化有所调整。

In the Yuan Shou Year Two,the Emperor Wu of Han ordered Huo Qubing for western expedition,who finally conquered the Huns in Hexi.Since then,the Hexi was included into the territory of the Han Dynasty.In order to consolidate this achievement and develop the western regions,rulers of the Han Dynasty built the defense engineering in Hexi.This paper aims at discussing the types,characters,and function of this defense system.