大虾帮忙解释下

wxhua1984

8.5.5 Means are to be provided to enable the doors to be
mechanically fixed in the open position taking into account the
self weight of the door and a minimum wind pressure of
1,5 kN/m2 (0,153 tonne-f/m2) acting on the maximum
projected area in the open position.
这是LR规范，怎么理解呀？