Based on the development rule of transverse strain of external steel tube, the hooping effect of steel tube on core concrete was discussed.

 
  • 基于外側方鋼管的橫向變形的發(fā)展規律,探討外圍鋼管對核心混凝土的套箍作用。
今日熱詞
目錄 附錄 查詞歷史
国内精品美女A∨在线播放xuan