玻璃钢化粪池分层回填
玻璃钢化粪池就位后局势回填,池下部四周用砂土填实(高度应不小于池体直径二分之一)严禁使用建筑垃圾作为土壤回填,回填土中的石块应剔除,回填土应分层夯实,每层接30mm进行.宜用人工夯实,回填时切忌不能局部猛力冲击(如气夯等),必须使池子周围回填土密实。
After the glass reinforced septic tank is in place, the situation shall be backfilled. The lower part of the tank shall be filled with sand (the height shall not be less than one-half of the diameter of the tank body). It is forbidden to use construction waste as soil for backfilling. The stones in the backfill shall be removed and the backfill soil shall be compacted layer by layer, each layer shall be connected with 30mm. It is suitable to use man-made tamping. During backfilling, it is forbidden to use local strong impact (such as air tamping). It is necessary to make the surrounding of the tank The backfill is dense.