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一、概述马耳他30万载重吨干船坞坞门为单面板气压式卧倒门。坞门全长64.5米、高12.5米、上部箱梁最宽5.6米,坞门总重972吨。坞门可分为上部箱梁、下部面板、底框梁和边框梁等部分。上部箱梁跨中最宽5.6米,内外翼缘板厚40毫米,箱梁高5.4米,
First, an overview Malta 300,000 dwt dry dock dock doors for the single-panel pressure type down-door. Dock door length 64.5 meters, 12.5 meters high, the upper width of 5.6 meters wide box girder, dock door total weight 972 tons. Dock doors can be divided into the upper box beam, the lower panel, the bottom frame beams and beams and other parts. The upper part of the widest span of 5.6 meters, the inner and outer flange thickness of 40 mm, 5.4 meters high box girder,