分析了U形钢束作用下索塔锚固区应力大小及分布情况。
The stress distribution of cable-pylon anchorage zones under U-prestressing tendon is analyzed.
而翼缘非全部有效的卷边槽钢、Z形钢毫无对称性，使应力分析计算十分复杂。
Lipped channel and Z section with compression flange not fully effective, have no more any symmetry, so that their stress analysis become quite complicated.
该房间被L形钢栏杆围护的狭窄的夹层画廊围绕，以此可以取到最高书架上的书籍。
The room is surrounded by a narrow mezzanine gallery with L-shaped steel balustrades, which provides access to books on the highest shelves.
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