| 摘要 |
<p>PURPOSE: An environment-friendly scour protection hole and a construction method using geotextile form are provided to prevent water pollution by preventing the exhaustion of contaminant. CONSTITUTION: An environment-friendly scour protection hole is composed like next. The geotextile form is established on the lower part of the river bed or slope side in which scour or erosion occurs. The concrete, mortar and solidified soil are filled to the inside of the geotextile form. The bleeding is less than 0.01%. The exhausted air quantity is less than 4.0%. The reduction of a slump flow is less than 3.0cm after 30 minutes of the injection. Anti-washout underwater admixture is used for the filler of the geotextile form.</p> |
