对于 ISO-14692 2017，指定用于管道的内衬材料厚度 (tl)。
典型单位（取决于您的单位制）：
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in
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mm
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cm
内衬材料用于管道内部。软件将内衬材料纳入系统自重，在风荷载计算中纳入管道的投影面积。
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即使指定了内衬材料的单位重量，仍然需要指定厚度值，以便软件确定正确的投影面积。
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ISO-14692 2017 distinguishes between the reinforced wall thickness and the total wall thickness. The reinforced wall thickness does not include the liner (inside) and sheath (outside) the reinforced wall. In CAESAR II, define the reinforced dimension (not including the liner and sheath) for Diameter and Wt/Sch, and separately define Refract Thk, Refract Density, Liner Thk, and Liner Density.