土石混填路基强夯压实试验研究

【摘要】 对土石混填高路基进行了强夯试验研究 ,试验表明强夯法压实土石混填路基可行。采用灌水法确定了强夯前后路基的密实度 ,利用多波仪测试了强夯试验的有效加固深度 ,并提出了该段路基强夯加固的设计参数 ,当采用 1 0 0 0KN·m夯击能时 ,建议Manard公式的修正系数取 0 .5 1 2。更多还原

【Abstract】 The feasibility of dynamic compaction used to compacting coarse grain soil roadbed is studied. The density of roadbed before and after compaction is gained by using water-filled method, and the efficient strengthening depth is measured with a multi-wave instrument. Finally, design parameters are presented. The revised coefficient of Manard formula is 0.512 when 1000KN.m ram energy is adopted.更多还原