The conclusion shows vacuum evacuation center should be laid as underground or half-underground between the railway lines,and zigzag sharp should be adopted in the vertical layout of pipe system.

• 结果表明,卸污系统真空中心一般应布置在卸污线的中间位置,并宜采用地下式或半地下式形式;卸污管道纵断面应布置成“锯齿形”。