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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。
/ l/ V- _ K5 F接触过一些资料，比如什么时候不适用耐候钢) C5 w6 F' D6 |: {9 |' h* c
• 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。
0 J2 c& Q, M- W; D" k• 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。
1 m& a" _2 i7 _( K6 p) B• If the steel is in direct contact with timber decking; timber retains moisture and may have been treated with corrosive preservatives.
8 F+ a0 o. h% ^# T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。
# ^" ^$ j$ ?% [2 l/ Y7 O. R0 @• 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 Z2 L5 I: C4 X. L6 @* ?, a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。
9 l+ P0 |3 ?, S+ u. L3 E0 t3 E8 X• If the location has high rainfall and humidity or is constantly wet. This situation is rare in Texas.
. A3 V3 S6 ^/ A7 ?4 m' g如果该桥址有高雨量和湿度，或者是长久潮湿。
) O, s' b, h. m# R4 x• If the structure provides low clearance (less than 8 to 10 feet) over stagnant or slow-moving water.
. P! B- \ ]7 m+ L. @ q) w! p•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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