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我亲眼见的比较少，目前为止只亲眼见到一座建筑结构采用耐候钢。
# d* Q* g& e1 D+ s0 w接触过一些资料，比如什么时候不适用耐候钢( x0 Y- w3 U2 `: X0 P7 f
• If the atmosphere contains concentrated corrosive industrial or chemical fumes.如果大气中富含有腐蚀性的工业或化学烟雾。# W7 A& P/ \ l9 R \
• If the steel is subject to heavy salt-water spray or salt-laden fog.如果钢材暴露于浓度较大的盐水喷雾或含盐雾。0 Z5 M! w/ I# I
• If the steel is in direct contact with timber decking; timber retains moisture and may have been treated with corrosive preservatives., y' m+ [0 x, @4 B. ?
如果钢材直接接触木桥面，木材保有水分，并可能已被防腐剂处理。" R* b3 J& }( F) G2 Z* {8 b' w
• If the steel is used for a low urban-area bridge or overpass that creates a tunnel-like configuration over a road on which deicing salt is used. In this situation, road spray from traffic under the bridge causes salt to accumulate on the steel.. `; [! _9 r) U; ^
如果钢是用在使用融雪剂的道路隧道桥或立交桥之下的城市桥梁。在这种情况下，道路交通向下方桥梁喷洒导致盐积聚在钢材上。* F- m5 c" N; I6 r- O
• If the location has high rainfall and humidity or is constantly wet. This situation is rare in Texas.
; h0 S$ L2 M, J& r3 p( V如果该桥址有高雨量和湿度，或者是长久潮湿。
7 J8 `: t' ]: g0 R# J• If the structure provides low clearance (less than 8 to 10 feet) over stagnant or slow-moving water.$ Y& Y2 B7 u% g+ s* w6 H& h; ?% ~
•如果结构跨越死水或缓慢移动的水的净空较小（小于8到10英尺）。
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