主要说明了高速公路桥梁加宽拼接途径，并对加宽拼接基桩施工要点及植筋施工方法进行了详细介绍，以有效运用加宽拼接技术对桥梁进行加宽处理，从而提升高速公路的利用价值。%The paper indicates the bridge widening splicing channels on expressways,indicates the construction points for the widening splicing foundation pile and construction methods of embedded reinforcement,so as to undertake the widening treatment for the effective adoption of the widening splicing technique and promote the value of expressways.
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