%0 Journal Article
%T The effects of intermediate principal stress on properties of yield for Mohr-Coulomb materials<br>中主应力对Mohr-coulomb材料屈服性质的影响
%A XU Yuanjie
%A CHU Xihua
%A <br>徐远杰
%A 楚锡华
%J 力学与实践
%D 2009
%I 
%X 在应用Mohr-Coulomb屈服条件时,由于中主应力不影响判别材料是否进入屈服,因此有关中主应力对Mohr-Coulomb材料屈服的影响性质关注较少.考虑Mohr-Coulomb屈服条件与应力路径相关性,本文采用Lode角或Lode数描述了偏平面上屈服性质的分区,对任意满足Mohr-coulomb屈服条件的应力状态,在保持其大、小主应力不变的条件下给出了中主应力在大、小主应力之间变化时的屈服轨迹,从而明确了中主应力对Mohr-Coulomb材料屈服性质的影响.
%K 屈服准则
%K Lode角
%K 应力路径
%U http://www.alljournals.cn/get_abstract_url.aspx?pcid=6E709DC38FA1D09A4B578DD0906875B5B44D4D294832BB8E&cid=5D344E2AD54D14F8&jid=0BF5C9FB031A532ED0A6D99DC4F6181A&aid=4A61BEABC04E36725AF75D63758DC099&yid=DE12191FBD62783C&vid=4AD960B5AD2D111A&iid=E158A972A605785F&sid=228A710F49B6CE58&eid=E44E40A2398D4F2A&journal_id=1000-0879&journal_name=力学与实践&referenced_num=0&reference_num=3