关于我国地铁建设降低投资问题

章本着技术先进，安全可靠，经济实用的原则,对降低地铁造价的可能性进行分析，提出了如下初步设想，充分作好前期准备工作，重视客流预测，考虑提高行车密度，选择合理的车站结构型式和埋深，合理确定车站设备用房和管理用户的面积，重视换乘站的设计，采用合理的车站间距，做好地下线与高架线的选择，隧道埋深，结构尺寸及施工方案的优化，切实贯彻设备国产化政策。

On Reducing Investments of Metro Construction in China

In this article , adhering to the principles of advanced in technology , reliable in safety , economical in investment and practical in functions , the possibilities for reducing metro construction costs are analysed , and the following tentative suggestions for reducing metro construction costs are proposed : making fully preparations before constructing;paying great attention to passenger number forecast,so as to determine the scale of metro construction;taking increasing driving density of trains into consideration;choosing reasonable structural style and embedded depth of metro station;determining reasonable areas of the station rooms for equipment arrangement and operation management use;attaching great importance to the design of commutator stations;adopting reasonable distance between metro stations;making a choice between underground and elevated lines of metro in areas that,out of urban district;optimizing the embedded depth, structural dimension and its constructing schemes of metro tunnels;practically putting into effect the policies that metro equipments should be made in China not less than 70 per cent [