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某桥为3跨中承式连续钢桁拱桥,跨径为(81+198+81)m,总长360m,本文主要介绍其钢桁梁无支架悬臂拼装及跨中合龙等新技术。
A bridge is a 3-span mid-span continuous steel truss arch bridge with a span of (81 + 198 + 81) m and a total length of 360m. This paper mainly introduces new technologies such as bracket-free cantilever assembly of steel truss girders and cross-in-place closure.