本文从黄淮海平原粉砂壤土地区,铺设排水暗管裹滤料投资高的实际问题出发,在室内对几种裹料的排水作用、性能及其铺放方式进行了试验,通过试验论证了炉渣是一种价廉的裹料,提出了不同排水要求较优的裹料铺放方式。 This article from the Huang-Huai-Hai Plain silty loam soil area, the laying of drainage pipe wrapped in high-cost investment in the actual problems, several drains in the interior of the drainage, performance and laying methods were tested by the demonstration of slag Is a cheap wrap, put forward different drainage requirements of the best way of laying the wrap.