The paper introduces the develop and manufacture situations of the prestressed reinforced concrete mast for the high capacity headspan suspension and its main advantages.The improvement on problems discovered in the trial period are proposed.This kind of
The paper introduces the develop and manufacture situations of the prestressed reinforced concrete mast for the high capacity headspan suspension and its main advantages.The improvement on problems discovered in the trial period are proposed.This kind of
本文介绍了大容量预应力钢筋混凝土软横跨支柱的研制情况及主要优点，对试用中发现的问题，提出了改进意见，并建议在电气化铁路上推广使用。