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一、钢筋混凝土桥梁的结构新型式 苏联钢筋混凝土预制铁路桥梁可分为:长度15m以下的非预应力板式或梁式小跨梁;长度从18m到33m的预应力中跨梁。 列宁格勒桥梁设计事务所制订了无弯起钢筋骨架的板式和梁式小跨度桥梁结构的图集
A new type of reinforced concrete bridge structure The Soviet Union reinforced concrete prefabricated railway bridges can be divided into: non-prestressed plate or beam spans less than 15m in length; beam length of prestressed beams from 18m to 33m. Leningrad Bridge Design Firm has developed a set of plate-type and beam-type, small-span bridge structures without bending steel bars