| 摘要 |
PURPOSE: A manufacturing method and a paving method of a water permeable block for a sub base course are provided to prevent ground subsidence caused by rainwater. CONSTITUTION: A manufacturing method of a water permeable block for a sub base course is as follows. Mortar is prepared by mixing 65-76weight% of 5-13mm coarse aggregate, 15-21weight% of cement, 5-8weight% of fly ash, 0.1-0.5weight% of glass fiber and 3.9-5.9weight% of water. The prepared mortar is put into a mold of a molding machine and is molded to form molded articles(1). The molded articles are spread on a sub base course between surface water permeable blocks(80) and a roadbed(40). |
