| 1. | Optimal combination of compacting machineries on semi - rigid base material
半刚性基层材料的碾压机械优化组合 |
| 2. | Analyzing and predicting construction crack of the semi - rigid base course asphalt pavement
半刚性基层沥青路面施工期开裂分析及预测 |
| 3. | The paper also concludes that the fatigue property of lean concrete is better than the semi - rigid base materials
通过对比，得出贫混凝土的疲劳性能优于其他常用半刚性基层材料。 |
| 4. | The calculation method of the equivalent modulus of elasticity of foundation based on the principles of displacement equivalence can ' t actually reflect the influence of semi - rigid base on the thermal stresses in cement concrete pavement
本文在大量计算基础上，建立了温度应力经验计算公式，与规范解相比，该公式精度较高，能满足工程需要。 |
| 5. | Through structural analysis of traditional semi - rigid base course asphalt pavement which appears water damage , the paper reach the conclusion that water has an effect on material design parameter and pumping leading to the change of contact condition are the main factors
通过对传统的半刚性基层沥青路面出现水损破坏进行结构分析，得知水对材料设计参数的影响和由于唧浆现象导致路面结构层层间接触条件的变化是沥青路面出现水损破坏的主要原因。 |
| 6. | It is discussed that the load period , the damp ratio of pavement , the temperature of asphalt concrete , the resilient modulus of semi - rigid base , the material parameters and thickness of the composite foundation have influence on the dynamic stress intensity factor and the vertical displacement
探讨了荷载周期、道路结构体的阻尼比、沥青混凝土的温度、半刚性基层的回弹模量、复合地基的材料参数和厚度对动应力强度因子、特征点的竖向位移变化规律的影响。 |
| 7. | This paper presents checking method of using predigested formula to calculate construction deflection checking value of base according to the strength of the semi - rigid base materials increases with their age ; and advances pavement base construction deflection value checking criterion , provides checking basis for controlling pavement construction
本文在考虑半刚性基层材料强度随龄期增长规律的基础上，提出采用简化公式计算路面基层顶面施工弯沉值的检验方法；并结合宁夏公路路面典型结构，提出路面基层施工弯沉值检验标准，为控制路面施工质量提供了检测依据。 |
| 8. | Cracking of asphalt concrete pavement with semi - rigid base course is influenced by many complex factors . this thesis applies neural net ' s theory and three - dimension dynamic technique of simulation to research . the author develops emulator system of crack ' s forming , and that draws up corresponding emulator program
半刚性基层沥青混凝土路面的开裂受许多复杂因素的影响，本论文将人工神经网络理论与三维动态仿真方法引入研究中，开发出裂缝形成的仿真模拟系统，编制出相应的仿真模拟程序。 |
| 9. | By means of laboratory and field experimentation of typical semi - rigid base materials , the relationships among laboratory experimental values , field maintain values , field core values and construction criteria are put forward . and the relationships between different test methods are established . using time - temperature conversion principle , it processes the intensity assessment of field cores , then offers the method of determining the test deflection of pavement surface
通过典型半刚性基层材料的室内外试验，研究主要设计参数的室内试验值、野外养生值、现场取芯值及施工指标间的关系，建立了不同试验方法间的相关关系，运用时温换算法则，对现场芯样进行强度评定，并提出了路表弯沉检测标准的确定方法。 |
| 10. | An experiment to evaluate the activity value of fly - ash used as a material for highway base course is also put forward , which can be adapted easily in highway engineering . based on field road investigation sa well as above results , all behaviors of low - activity fly - ash as highway semi - rigid base course material are tested , and the strength forming principles of lime - flyash mixtures are studied by means of dta , x - ray and sem analysis
在此基础上，通过大量室内试验结合试验路的研究，测定了低活性粉煤灰在半刚性基层中的各种路用性能；最后通过差热分析、 x一射线衍射分析及电镜微观结构分析就二灰混合料的强度形成原理进行了论述。 |
