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黑龙江省吕大屯桥原为简支梁木桥。由于年久腐朽,不堪维修,决定改建。根据汇水面积和流量计算,设计为17.02米的钢筋混凝土桥。原设计的下部结构采用预制桩,后因打桩设备解决不了而改为钻孔灌注桩。1964年9月20日正式开工,仅42天完成了全部钢筋混凝土工程(桥面铺装因气温低,养生期未满)。
Lvtatun Bridge in Heilongjiang Province was originally a simple beam beam bridge. As decadent, unbearable maintenance, decided to rebuild. According to the catchment area and flow calculation, designed to 17.02 meters of reinforced concrete bridge. The original design of the lower structure using precast piles, after the piling equipment can not be resolved and replaced by bored piles. September 20, 1964 officially started, only 42 days to complete the entire reinforced concrete works (deck pavement due to low temperature, less than health period).