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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。- j7 Q% A0 j% i/ D; T
接触过一些资料，比如什么时候不适用耐候钢5 V, b: ?& Y/ G ]1 z
• 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。$ d+ s6 b2 G* P. z! |7 B
• 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。
; G% L/ x' I0 K$ E• If the steel is in direct contact with timber decking; timber retains moisture and may have been treated with corrosive preservatives.9 m: y3 ~7 T; j0 Y$ ?% A: b& O
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。+ W: G7 K9 M6 r/ A$ M* G
• 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.
2 {* v& B; ]* t, n: ~* }6 G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。, l% ]) Y, Y8 a# c2 j' ?
• If the location has high rainfall and humidity or is constantly wet. This situation is rare in Texas.# q& O: b# ?0 ^
如果该桥址有高雨量和湿度，或者是长久潮湿。9 u8 N, d- K# I2 w0 P8 k
• If the structure provides low clearance (less than 8 to 10 feet) over stagnant or slow-moving water.
8 }9 ^2 v( D' D' h8 R9 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）。( ~ R8 g3 l4 X; g. q6 N2 L
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