摘要
通过一系列室内拉伸、扭转及光弹应力试验,研究了绳索取心钻杆螺纹锥度与强度的关系及其应力分布规律。
A study is put on the relationship between the thread taper and its strength,as well as the stressdistrtrbution law through a range of lab tensile,torsional and optical-elastic stresstests.
出处
《探矿工程》
1995年第6期24-26,共3页
Exploration Engineering(Drilling & Tunneling)