Abstract: Making eolin-sand be material of roadbed is a new technology in process of way in desert and it also has many difllcults． necaus the sand grin is incompact and disarranged very easily，the sand cIlaIlges its primary condition．When it is in low moisture，its interi or felting forceis anditisdificultto gait,compactiondegree us gtraditionalmethods．Thusthemeasuringmethods of roadbed’stompaction degree is a big problem．This paper two kinds ofmethods-destroyed and no-destroyed to IlleasuIil the compaction degree ofeolinsand roadbed and analyses merit and demezit of every method．Finally，this paper gains the suitable methods．

Key words: eolin-sand, compaction degree, measure methods, moisture

摘要： 以风积沙作为路基填料是沙漠地区筑路的新技术，面临着许多技术难题。其中风积沙路基压实度的检测方法 一直是施工中的难点，因为风积沙颗粒松散，检测时容易发生扰动，改变原有状态，使检测精度受到一定影响；而且 在含水量较小时，风积沙粘结力几乎为零，无法用传统的环刀法或灌沙法获取压实度值。笔者采用了破坏性和非破 坏性两类测试方法进行试验，具体为环刀法、洒水环刀法、护筒灌沙法和落锤法、核子密度仪法、表面波法。详细分 析了不同测试方法的优缺点，得出了适合沙基压实度检测的仪器和方法

关键词: 风积沙, 压实度, 检测方法, 含水量