秦昭王长城“堑”特征新探——以陕西吴起秦昭王长城为例

On the Feature of Qian of the Great Walls of the King Zhao of the Qin State of the Warring-States Period

"堑"设置是秦昭王长城显著的特征,在陕西吴起表现的尤为明显,主要以陡壁和与之配套的平台形式存在。堑特征加强了秦昭王长城的防御力度,体现了秦昭王长城修筑的因地制宜原则,也反映了当时防御武器的射程范围和数学计算水平。此外,从最新调查的陕西吴起县三道川长城设置看,秦昭王长城在防外的同时也防内。

In present - day Shaanxi Wuqi, a prominent feature of the Great Walls of the King Zhao of the Qin State of the Warring - States Period is the feature of Qian. The main compositions of Qian are steep grade and supporting platform. The Qian feature strengthens the defense, reveals the construction principle of adjusting local conditions, and also reflects the shooting range of defense weapons and the calculation capacity of arithmetic at that time. In addition, from the layout of the Great Walls in present - day Sandaochuan in Shaanxi Wuqi, it can be found that the Great Wails of the King Zhao of the Qin State of the Warring - States Period could prevent internal rebellion as well as external invasion.