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前言 本洲四国连络桥儿岛～坂出线悬索桥的加劲桁架采用板厚65mm左右的S MM58钢材,其接头计划采用F10T、M30(HBS规格S级)的经防锈处理的高强度螺栓,每行12个,并在接头接触面用无机富锌漆(二次固化)作防锈处理。
Preface 本周 四國 聯絡 桥 儿 岛 出 Sakae Suspension Bridge The stiffening truss uses S MM58 steel with a thickness of about 65mm. The joints are planned to be F10T, M30 (HBS S-class) Line 12, and contact surface in the joints with inorganic zinc-rich paint (secondary curing) for anti-rust treatment.