Finally, the thesis summarizes the design methodology and construction technique in preventing from pavement cracking caused by the stabilized-sand base.
最后还总结了针对稳定风积沙基层的路面防裂措施的设计方法和施工工艺。
Particularly in the north of China, under low temperature in winter, asphalt pavement cracking and a large number of transverse cracks are very common and serious diseases of the road.
尤其在我国北方，沥青路面在冬季会发生低温开裂，出现大量的横向裂缝，是十分普遍而严重的路面病害。
Fatigue cracking is one of main destruction forms of asphalt pavement.
疲劳开裂是沥青路面主要结构破坏形式之一。
This paper describes the causes of early cracks on concrete pavement and presents the precautions for cracking.
详细论述了混凝土路面早期裂缝产生的原因，并提出预防早期裂缝的办法。
Low-temperature cracking of asphalt pavement is mostly affected by low temperature performances of asphalt.
沥青的低温性能是影响沥青路面低温开裂的主要原因。
The asphalt pavement performances, especially low temperature performances were modified in order to offer solutions for temperature cracking of asphalt pavement in frigid region.
以期改善沥青路面性能，尤其是低温抗裂性，为寒冷地区的沥青路面温度裂缝问题提供解决途径。
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。
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。
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 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。
Cracking is a major problem in the asphalt concrete pavement.
开裂为沥青混凝土路面中存在的主要问题。
The research on characteristics of pavement fatigue cracking has been a hotspot at home and abroad.
因而研究路面的疲劳开裂特性成为国内外的热点问题之一。
At present, fatigue cracking of pavement has become an important factor influencing the long-term service performance of pavement. It is also a very important problem in pavement design.
目前，路面的疲劳开裂成为影响路面长期使用性能的一个重要因素，也是路面设计中非常重要的一个问题。
Secondly, the paper analyzed the formation mechanism of fatigue cracking in asphalt pavement.
其次，论文分析了沥青路面疲劳开裂的形成机理。
Thermal cracking on asphalt pavement seriously affects driving quality and service life of pavement.
沥青路面温缩裂缝严重影响了路面的行驶质量以及使用寿命。
The efficient control of slab cracking that develops in concrete pavements is important to pavement performance.
有效控制水泥混凝土路面面板裂缝对于路面使用性能十分重要。
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。
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。
The defects of the traditional bridge deck pavement of poor heat stability, easy cracking and poor fatigue resistance and water resistance.
克服了传统桥面铺装后，热稳定性差，易开裂，抗疲劳、抗水性差等缺陷。
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。
Based on the cracking mechanism and FEM, the crackings on the grade crushed stone pavement and the semirigid base asphalt pavement are compared and analyzed.
基于断裂力学，采用有限元程序，对两种级配碎石夹层沥青路面结构和常规半刚性基层沥青路面结构的断裂进行了对比分析。
A pavement condition evaluation model is established for the expressway in Northwest area, taking the damage rates of transverse cracking, potholes and rutting as main considering factors.
以横向裂缝、坑槽、车辙的破损率作为因素，建立了西北地区高速公路沥青路面的路况评价模型。
Most low temperature cracking of asphalt pavement occurs when the cold snap or cold wave comes.
沥青路面的低温缩裂大多发生在寒流或寒潮突然来临时。
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。
It is extremely important to reduce dry shrinkage cracking of cement-stabilized macadam base course materials for prolonging service life of asphalt pavement with semi-rigid base.
减少水泥稳定碎石基层材料的干缩裂缝，对延长半刚性基层沥青路面的使用寿命至关重要。
This paper only graded optimization study start and try to improve the cracking asphalt pavement performance. taking into account high temperature stability.
本文仅从级配优选研究入手，力图改善沥青路面的抗裂性能，同时兼顾低温稳定性。
This paper only graded optimization study start and try to improve the cracking asphalt pavement performance. taking into account high temperature stability.
本文仅从级配优选研究入手，力图改善沥青路面的抗裂性能，同时兼顾低温稳定性。
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