我县黄楼公社,利用石灰类工业废料建造地下渠道,已有十年历史。十年来,共兴建灰土地下渠道401公里,占明渠总长的22%。建造灰土地下渠道,可以就地取材,土法上马,能为国家节省大量建筑材料,造价仅为同口径混凝土的五分之一左右。灰土地下渠道的施工,包括现场捣制和场地予制两种,现分别介绍如下。 Yellow County commune, the use of lime-based industrial waste underground channel construction, has 10 years of history. Over the past decade, a total of 401 km of limestone underground channels have been constructed, accounting for 22% of the total length of open channels. Construction of underground limestone underground channels, can be drawn on the ground, soil law launched, for the country to save a lot of construction materials, the cost is only about one-fifth of the same caliber concrete. Construction of underground limestone channels, including on-site ramming and site preparation, are as follows respectively.