Stress shell, which bears and pass load of overlying strata, is primary supporting body.The stress in skewback of stress shell forms abutment pressure of surrounding rock in vicinity of working face.
应
壳
但并传递上覆岩体
，是最主要的体，应壳拱脚处应形成采场四周围岩支。
；桥台Stress shell, which bears and pass load of overlying strata, is primary supporting body.The stress in skewback of stress shell forms abutment pressure of surrounding rock in vicinity of working face.
应壳但并传递上覆岩体，是最主要的体，应壳拱脚处应形成采场四周围岩支。
Based on homothetic triangle theory, a new height computation method of pile type brige pier and ribbed plate type abutment post is introduced.
摘要文章以一种新的思维方式-相似三角形原理计算桩柱式桥墩、肋板式桥台柱（肋板）顶高程。
4.Based on homothetic triangle theory,a new height computation method of pile type brige pier and ribbed plate type abutment post is introduced.
文章以一种新的思维方式-相似三角形原理计算桩柱式桥墩、肋板式桥台柱(肋板)顶高程。
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