A 3-d isoparametric joint element with spherical surface key grooves of finite thickness is used to simulate transverse joints of arch dam.
采用三维有限厚度带球面键槽接缝单元模拟拱坝横缝，推导了球面键槽的接触物理方程，探讨了球面键槽的最优中心角。
In this paper, the stress analysis method of massive concrete structure in consideration of construction joints with key grooves is discussed.
本文讨论带有键槽的施工缝时大体积混凝土结构的应力分析方法。
The utility model has the advantages of simple structure, low cost, convenient operation and adoption of the slotting tools with different shapes to slot key grooves with different shapes.
本实用新型结构简单、造价低、操作方便，采用不同形状的插刀可插出不同形状的键槽。
What sober man's key could have scored those grooves?
清醒的人怎么会用钥匙刮出那么多凹槽呢？
What sober man's key could have scored those grooves?
清醒的人怎么会用钥匙刮出那么多凹槽呢？
应用推荐