| 摘要 |
A sheet piling ( 15 ) comprising a first flange ( 16 ), a second flange ( 18 ), a web ( 19 ), a junction ( 20 ) between the first flange and the web, the junction having a substantially concave inner surface ( 44 ), the inner surface comprising at least a first concave surface of first radius ( 23 a) and a second concave surface of second radius ( 23 b). The inner surface may further comprise a third concave surface of third radius ( 23 c).
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