半刚性基层材料的典型代表是二灰碎石。
城市道路半刚性基层采用水泥稳定砾石的技术研究。
Urban road semi-rigid base adopts the technology of cement stabilized gravel for research.
劈裂试验是检测半刚性基层材料抗拉强度的一种方法。
The splitting experiment is one way to test the tensile strength of semi-rigid base material.
首先，论文分析了半刚性基层沥青路面疲劳裂缝的形成机理。
Firstly, the paper analysed the formation mechanism of the fatigue crack in asphalt pavement with semi-rigid base.
我国目前存在半刚性基层沥青路面结构设计和材料设计脱节的问题。
There is a problem that structure design and materials design are disjointed about the asphalt pavement with semi-rigid base in our country.
而如何正确计算半刚性基层的收缩应力，则是解决这一问题的前提。
How to calculate the contraction stress of semi-rigid pavement is the precondition to solve the problem.
半刚性基层早期出现收缩裂缝，是目前尚未很好解决的施工技术问题。
It is still a unsolved problem that semi - rigid base appears the shrinking crack at early stage.
研究结果可供高等级公路半刚性基层沥青路面结构设计和施工时参考。
In designing and constructing asphalt pavement structures with semi-rigid base course for the high-type highway, one can refer to the results from this research.
以半刚性基层沥青路面为对象，研究了路面的应力应变模型和计算方法。
Regarding semi rigid base asphalt concrete road as the main object, the model of road stress and strain and their calculating method were studied in the paper.
半刚性基层材料的强度与模量随龄期增长，基层弯沉值也随着龄期变化。
The strength and modulus of semi-rigid base material increase with age, so the reflection of base varies with age too.
结果表明：聚丙烯纤维的掺加能够有效降低半刚性基层层底拉应力大小。
The results indicate that: the mixture mixed polypropylene fiber can reduce the principle stress value of bottom of lime-fly ash stabilized gravel.
本论文研究成果对二灰碎石半刚性基层设计和施工均具有较为重要的指导意义。
This research result has the important leading meaning in design and construction of lime flying-ash treated crushed stone semi-rigid base.
水泥稳定砂砾混合料的配合比是保证半刚性基层沥青路面整体质量的关键环节。
The design of the mixture ratio of the cement stabilized sand and gravel is one of the critical links to ensure the whole quality of the asphalt pavement on semirigid base course.
在路面状况分析评价中，依据木桶理论以探求半刚性基层沥青路面的损坏模式。
In the analysis and evaluation of highway asphalt pavement conditions, the barrel theory was firstly used to seek the damage pattern of asphalt pavement.
将半刚性基层沥青铺面结构应用于上海外高桥集装箱港区道路，在国内尚属首创。
It is the first time that asphalt pavement construction of semi-rigid base is used in the roadways of container terminals in Shanghai Waigaoqiao container Port Area.
对新建水泥混凝土道路路面，玻纤格栅应置于半刚性基层与刚性水泥混凝土封层之间。
The new cement concrete road pavement, glass fiber grid should be placed between semi-rigid base and rigid concrete seal.
半刚性基层的正应力沿截面高度呈线性分布，合成大梁试件的中性层低于其几何形心。
The results also show the strain is linear distributing along the section height of semi-rigid base, and the neutral layer of the beam specimen is lower than its geometrical center.
水泥稳定粒料和二灰(石灰、粉煤灰)稳定粒料是两种典型的和常用的半刚性基层材料。
The cement stabilized aggregate and the lime fly ash stabilized aggregate are two typical semi-rigid base course materials.
路面及半刚性基层在修建和使用过程中，由于水份蒸发以及温度的变化，容易产生裂纹。
Because of the moisture evaporation and the varied temperature, the pavement and its semi-rigid base layer are easy to crack in the course of construction and use.
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。
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.
半刚性基层沥青路面作为过渡层时，可以有效改善半刚性基层收缩裂缝的反射裂缝的发生。
Unbound aggregate base can efficiently retard the reflexion of cracks to asphalt pavement surface, which is aroused by the shrinkage crack of semi-rigid base in the inverted structure.
通过钢渣粉的膨胀性来辅助分析半刚性基层材料中掺入钢渣粉后干燥收缩有所减缓的原因。
By means of the expansibility of the steel slag, the paper analyzed the reason that the dry shrinkage of the semi-rigidity base material had been weakened after steel slag powder joined.
为此，本文针对城市道路半刚性基层采用水泥稳定碎石的技术研究进行简要分析，以供参考。
Therefore, the technology of cement stabilized crushed stone according to semi-rigid base for city roads is briefly analyzed for reference.
我国高速公路的路面广泛采用半刚性基层沥青路面，而这种路面出现早期破坏的现象比较普遍。
In China, the bituminous pavement with semi-rigid base is widely used in freeway, in which the early damage phenomenon is popular.
文中以渝湛高速公路路面施工为依托，进行水泥碎石稳定的半刚性基层产生裂缝及控制的研究。
Based on the pavement construction of Yuzhan Highway, this paper studies the reasons and cracks of cement stabilized half-rigid base course.
大修中铣刨后的半刚性基层材料大量废弃，造成巨大的资源浪费、土地占压，并引发一系列的环境问题。
The milled semi-rigid base material is enormous waste of resources, and result in a series of environmental problems.
对新建沥青混凝土道路路面，玻纤格栅可置于半刚性基层与下封层之间，也可置于下封层与沥青面之间。
The construction of asphalt concrete road pavement, glass fiber grid can be placed between semi-rigid base and the seal, also may be placed on the sealing layer between the asphalt surface.
对半刚性基层沥青路面而言，其主要承重层是半刚性基层，而沥青面层一般只起功能作用，不起强度作用。
As to the semi-rigid base bituminous pavement, the main bearing weight is basis on the semi-rigid layer. The bituminous pavement has a normal function, without any bearing strength.
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。
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。
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.
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