南梁岩体主要由斑状花岗岩、流纹斑岩、花斑岩及流纹质角砾熔岩组成。
Nanliang complex is mainly composed of porphyritic granite, granophyre, rhyolite - porphyry and rhyolitic agmatite-lava.
同时对外载等效中经常出现的横向双力矩这一广义力进行研究，指出它在开口和闭口薄壁梁约束扭转问题中和圣维南原理适用条件中分别占有不同的地位。
A new point is put forward that transverse bimoment has different influence on the two kinds of cross section thin-walled beams, and on their St-Venant principle conditions.
介绍南、北航道桥的钢箱梁构造、结构体系、细部构造、结构计算和涂装方案等。
In this paper, the structures, structural systems, structural details, structural calculations and coating schemes of the steel box girders of both the south and north channel Bridges are dealt with.
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