柱下獨立基礎抗彎強度塑性分析和設計探討
劉廉純
- 摘 要
-
劉廉純
(大連水產(chǎn)學院土木系 116023)[提要] 根據(jù)屈服線理論，研究柱下獨立基礎的抗彎強度，求出其在軸心受壓和偏心受壓時由于彎曲破壞的極限荷載，提出抗彎強度計算公式與設計建議，指出現(xiàn)行抗彎強度計算方法和公式偏于不安全和誤差，并進行了分析。
[關鍵詞] 柱下獨立基礎 屈服線理論 抗彎強度 塑性分析Based on yield line theory, analysis of single foundation under column for flexural strength is done. Ultimate load of the foundation for bemling failure is calculated while the column is subjected to axial compression or axial bending and compression. It is pointed out that the methods and formulae used in current practice for flexural strength of the foundation are unsafe and erroneous. Effective facfors on error and quantity of error are studied.
Keywords: single foundation under column; flaslic-plastic analyse; flexure strength; yield line theory
