Reflective cracking overlay structure is the focus of design considerations.
反射裂缝是加铺层结构设计考虑的重点。
At present, the reflective cracking in the asphalt overlay paved on the existing cement concrete pavement is the common problem.
目前，反射裂缝是旧水泥混凝土路面加铺沥青面层常见的的病害之一。
To improve the bearing capacity of old cement concrete pavement and prevent reflective cracking, HMA overlay with SAMI has been used in some highways.
为了提高旧水泥混凝土路面的承载能力和防止出现反射裂缝，用热拌沥青混凝土罩面层并设置SAMI层的修补技术常被使用。
The object of this paper is to analyze the effects of interface conditions, load magnitude and reflective cracking on pavement structure by FEA techniques.
为了能够进一步了解路面结构的受力机理，本文利用有限元力学计算，综合分析层间接触状态、加载特性和路面开裂对路面结构应力的影响。
The reflective cracking is one of the major damages of the asphalt overlay on old roads and semirigid pavement, which badly influence the performance of the pavement.
反射裂缝是旧水泥砼路面上沥青罩面和半刚性路面的常见病害，对道路的危害极大。
The conservative integral of damage mechanics for the reflective cracking in asphalt pavements is established based on the elastic damage theory developed by the authors.
基于损伤力学理论，建立了沥青路面反射裂缝问题的损伤力学守恒积分，证明了在反射裂缝形成过程中应变能密度的守恒性。
The model designed through finite element analysis can simulate the reflective cracking caused by load and evaluate the reflective cracking resistance of different asphalt mixtures.
通过力学计算设计的室内模型能较好地模拟荷载型反射裂缝和评价不同混合料的抗反射裂缝能力；
Introduced hereby are the treatment of the old cement concrete pavement, measures to prevent reflective cracking and the profile design and transverse grade determination in road design.
介绍了旧水泥混凝土路面处理、防止反射裂缝措施、道路设计中纵断面设计和横坡确定。
As primary stiffness, poor water permeability, reflective cracking of pavement surface layer. Traditional semi-rigid base asphalt pavement are easy to premature fatigue cracking phenomenon.
传统的半刚性基层沥青路面，由于基层刚度大、透水性较差，面层反射裂缝多，路面易过早发生疲劳开裂现象。
In another way, further researches have been carried about reflective cracking influence on pavement and by these factors of influence, we can demand material and guide the following practice.
此外，本文就反射裂缝对路面的影响也做了进一步的探讨，找出其中的影响因素，并对材料提出一定的要求，用于指导实践。
To use the drop-weight impact meter to measure the impact toughness of the asphalt mixture, put forward the use of the impact toughness as an index to evaluate the anti-reflective cracking ability.
利用落锤式抗压冲击仪测定沥青混合料的冲击韧性，采用冲击韧性这一指标评价大粒径沥青混合料的抵抗反射裂缝能力。
Reflective crack caused surface cracking, spalling, surface water infiltrating along the seam, so that the road was damaged.
反射裂缝导致面层开裂、剥落，路面水沿裂缝下渗，使路面发生损坏。
Reflective crack caused surface cracking, spalling, surface water infiltrating along the seam, so that the road was damaged.
反射裂缝导致面层开裂、剥落，路面水沿裂缝下渗，使路面发生损坏。
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