不同载荷对土壤压实的试验研究  

Experimental research on soil compaction by different loads

作　　者：张娟利[1] 师帅兵[2] 吴爱茹 张元朝[1] 

机构地区：[1]兴义民族师范学院,贵州兴义562400 [2]西北农林科技大学,陕西杨凌712100 [3]西安市农机管理与推广总站,陕西西安710065

出　　处：《湖南农机（学术版）》2011年第1期92-94,共3页Hunnan Agricultural Machinery

摘　　要：在沙壤土上对常用的3种载荷进行了压实试验,测出了土壤压实前后的参数。结果表明:在0～100mm土壤深度处,载荷大于3000kg时,使容重增大较剧烈;载荷大于2000kg时,使湿度损失较严重,4400kg时损失了20%,使坚实度的增量增加剧烈,4400kg时增加了59%,而使最大坚实度增加了114%,并且大载荷对深层(大于100mm)土壤的坚实度影响显著。Field tests were carried out using 3 commonly different loads on ShaRangTu in order to measure the compaction before and after the parameters. The result shows： In 0-100mm soil depth place, more than 3000kg load that bulk density increases more intense,more than 2000kg load,make humidity loss more serious, 4400kg loss 20%,make the hardness of incremental increase significantly,4400kg up 59%,and make the largest hardness increase 114%;and the larger load of a deep（more than 100mm）soil hardness significant effects.

关 键 词：载荷 土壤参数 土壤压实 试验 

分 类 号：S15[农业科学—土壤学]