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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。$ U5 \: ?9 o* t6 g
接触过一些资料，比如什么时候不适用耐候钢
: |$ f& G. \8 q, m3 J' n• 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。' G7 E0 r. ~+ X/ V7 _
• 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。% N2 d2 |/ {$ X, L' }& `; t: Y
• If the steel is in direct contact with timber decking; timber retains moisture and may have been treated with corrosive preservatives.. N- L6 b) ?4 }
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。. d) c4 p z8 V+ Z
• 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.
. @' H4 Y$ B1 d4 `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。
S6 j: s1 @' `0 b• If the location has high rainfall and humidity or is constantly wet. This situation is rare in Texas.% q. G2 \( a- b, O0 c
如果该桥址有高雨量和湿度，或者是长久潮湿。
4 o/ |, g- M0 k8 I$ t$ p9 I$ t• If the structure provides low clearance (less than 8 to 10 feet) over stagnant or slow-moving water.: T M- r5 a/ F% E
•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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