| 1. | Mechanical analysis of reflection cracks in the asphalt concrete overlay on the ailing portland cement concrete pavement
旧水泥混凝土路面沥青加铺层反射裂缝力学分析 |
| 2. | 4 . based on the pavement mechanics models , fatigue cracking theory of fracture mechanics was used to investigate the rule of reflection cracking
基于选定的路面力学模型，采用断裂力学中的疲劳裂缝扩展理论对路面反射裂缝的扩展规律进行分析。 |
| 3. | The effects of goodroad enhanced asphalt mixture and glass fiber grid for resisting reflection cracking are proved by full - scale test , the resisting mechanism is analyzed , too
通过反射裂缝足尺试验来评价goodroad增强沥青混合料和玻璃纤维土工格栅对抑制反射裂缝的效果，对抑制机理做了分析。 |
| 4. | Reflection cracking is the main cause for early deterioration of bituminous concrete overlays , and therefore its prevention is an important consideration in the design of overlays
反射裂缝扩展是沥青混凝土罩面早期破坏的主要原因。因此在罩面设计中，预防和阻止反射裂缝的扩展是需要考虑的一个重要问题。 |
| 5. | A major drawback of this kind of rehabilitation is the reflection cracking of the overlay , whereby the cracking pattern existing in the original pavement is extended into and through the new overlays
这种修复方法最主要问题是罩面层的反射裂缝，也就是在原路面中存在的裂缝能够扩展并延伸到新的罩面层中去。 |
| 6. | Now according to the climate character of the northwest area and the character of the pavement disease , we introduce the new pattern material ? ? glasgrid to solve the reflection crack problem of the northwest area
根据西北地区气候特征以及路面病害特征，现引入新型材料? ?玻璃纤维格栅，以解决西北地区路面普遍存在的反射裂缝问题。 |
| 7. | With material test system ( mts ) , the paper carried out fatigue test of flexural - tensile and shear reflection cracking of asphalt overlay on cement concrete pavement , evaluated the anti - cracking ability of five kinds of asphalt overlay structures
摘要利用mts材料试验系统，进行旧水泥混凝土路面沥青加铺层弯拉型和剪切型反射裂缝的疲劳试验，评价了5种沥青加铺层结构抵抗反射裂缝的能力。 |
| 8. | This thesis utilized a mechanic - empirical approach the for prediction of reflection cracking life of asphalt concrete overlays . a mechanic - empirical approach was utilized in developing the present design procedure . the achievements we obtained was listed as the following : 1
本文采用力学分析与实践经验相结合的方式对沥青混凝土罩面反射裂缝的扩展规律进行了较为系统的研究，取得的主要成果有： 1 |
| 9. | The reflection crack is the most grievous disease in asphalt pavement on a semi - rigid type base course in the northwest area , according to this problem , many measures have been taken to , such as the sma , to adjust the series of material , but the effect is not so good
反射裂缝问题是西北地区半刚性基层沥青路面病害中一个最为严重的问题，对这一问题已采取了很多措施，例如：使用改性沥青、调整材料级配等，但效果均不理想。 |
| 10. | We demonstrated the effect of glasgrid to the reflection cracks , which are produced under the temperature load in asphalt pavement on a semi - rigid type base course . in the paper , from the next three aspects to we demonstrated the argumentation : the theory analyses , the finite element account , experimentation
本文从理论分析、有限元计算以及实验三个方面入手，应用断裂力学理论论证了玻璃纤维格栅对半刚性基层沥青路面在温度荷载作用下的反射裂缝的作用。 |
