This paper analyses the work principle and measure method of the in - vehicle measurement system . the hard ware system of the in - vehicle compaction meter adopts pc 104 embedded system , and the compaction ' s measurement is realized by dealing with the vibration acceleration 文中系统全面地分析研究了车载式压实度检测系统的工作原理及检测方法，采用pc104嵌入式系统作为随车压实度检测计的硬件组成，利用对振动加速度信号的采集及软件分析处理实现对压实度值的实时检测。
Through much analysis of laboratory experiments , this paper reach the conclusion that aggregate gradation , degree of compaction , water cement ratio and magnitude of cement are the main factors that influence the coefficient of permeability and the compressive resilience modulus of high air void cement - stabilized crushed stone mixture 本文通过大量的室内试验发现，集料级配组成、压实度、水灰比和水泥用量是影响大孔隙水泥稳定碎石混合料渗透系数和抗压回弹模量的主要因素。
At last , the comparative experiment is taken on in the condition of low - frequency , middle - frequency and high - frequency comparatively , tests including the pressing - degree of this machine , running - velocity , vibrate character and productivity . the result of experiment is the basement for parameters optimization and improvement of th e machine 最后，对试验样机在低频、中频和高频振动冲击作用下进行了如下几方面的对比试验：压实度、工作速度及振动性能测试，并进行了生产率计算，为机器参数优化和改进提供了依据。
In order to measure the optimum combination of exciting force and frequency of sand sample with different moisture content and degree of compaction , the machine of mts fatigue test is used to simulate vibrating roller , the optimum combination measured can provide reference to study interacting of vibrating roller and aeolian sand 用mts疲劳试验机模拟振动压路机，测出不同含水量和压实度下的激振力和频率的最佳最合，为研究振动压路机和风积沙的相互作用提供参考依据。
Through studying the designed road surface curve and sink value , bottom stress and other aspects due to overloading , the paper found the effect of overloading to the road surface , and brought forward several reasonable suggestionsas follows : to optimize the road surface design , guarantee the compress degree of road surface , and to strengthen the management of overloading vehicles , etc 通过汽车超载对路面设计弯沉值、层底拉应力及其他方面的分析，论述了超载车辆对沥青路面的影响及路面早期破坏的成因，提出在路面设计中应注意采用优化路面设计；在施工中应保证路面的压实度，并应加大对超载车辆的治理力度。
