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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。
6 F+ F* Q3 N+ _1 r; H. H7 f$ K3 C. T接触过一些资料，比如什么时候不适用耐候钢1 P' }! k1 g4 S6 u$ U; C7 o
• 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。
$ Q3 J- t; v/ S3 |• 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。
$ d5 R0 s5 j g3 G3 Z7 f2 `8 b* P• If the steel is in direct contact with timber decking; timber retains moisture and may have been treated with corrosive preservatives.% `5 @/ u# ^& }- j; l# H- p
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。; G. G3 K8 Z/ c9 I" p6 T) @
• 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.. Q: `& P% M9 y! c' c/ s+ i
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。
; n( D- O* R3 |) o7 j( {: r. h: x• If the location has high rainfall and humidity or is constantly wet. This situation is rare in Texas.
, ?( @/ D _, B5 ?4 M如果该桥址有高雨量和湿度，或者是长久潮湿。0 n& V& h8 z& @/ y1 Y; P |% x
• If the structure provides low clearance (less than 8 to 10 feet) over stagnant or slow-moving water./ D1 n7 `5 S7 `5 s/ c
•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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