结合施工实践,探讨高速公路柔性路面级配碎石底基层的质量控制的方法及在施工过程中应注意的问题。
Through the practice discussion is made on the methods of the quality control on gravel-sorted subbase of the flexible pavement during the construction.
开级配沥青稳定碎石基层(ATPB)是一种路面内部排水结构。
Asphalt-treated permedble base(ATPB)is a kind of pavement internal draining water structure.
针对影响沥青混合料生产质量及沥青路面使用寿命的各种因素,提出对碎石粒径与级配、颗粒组成一致性、粗集料中0。
Based on the influencing factors on asphalt mixture quality and service life of pavement, the control methods of broken stone diameter, gradation, composition, content of grain less than 0.
为了提高路面结构中级配碎石基层的回弹模量,通过材料设计、路面结构组合设计和施工工艺设计,对级配碎石基层的使用性能进行了研究。
In order to enhance modulus, the design of materials, structural combination and construction technology of the graded broken stone base were studied.
为了进一步研究路面裂缝与碎石基层材料的关系,首先就级配及成型方法对混合料性质的影响进行了广泛研究。
The influence of grading and forming method in mixed material nature was studied so that the relation between pavement crack and crushed stones basic level mix material is further studied.
本文研究了粗集料的最大粒径、级配和压碎指标值等对路面混凝土抗折强度的影响。
The effect of maximum diameter, grading distribution and crushing index of coarse aggregate on flexural strength of concrete is investigated through experiments.
沥青混合料的级配离析是影响路面使用寿命的关键因素之一。
Asphalt concrete segregation is the key factor for affecting the service life of asphalt pavement.
大量的工程实践证明,沥青混合料的级配离析是造成沥青路面早期损坏的一个重要原因。
Large engineering practices have proved that the gradation segregation of HMA is an important reason to cause early damage to asphalt pavement.
路面混合料矿料级配组成设计是工程设计的重要组成部分,直接影响工程质量和工程造价。
Aggregate gradation of pavement mixture is one of the important parts of the engineering design, it can affect the quality and the cost of the project.
通过对比分析,结合具有级配碎石基层半刚性底基层沥青路面主要破坏类型的分析,提出结构设计的控制指标。
Main form of structural default is found in semi-rigid pavement with unbound aggregate upper base through contrasting. And it suggests control index of structural design.
提出级配砂砾基层在非线性承载力条件下沥青路面新的设计方法。
Under the nonlinear bearing capacity condition of the graded grit base, the new design method of asphalt pavement has been proposed.
深入分析了级配碎石基层的路面结构形式和施工工艺,对级配碎石广泛应用于路面基层具有一定的指导意义。
The structure forms and the construction craft of unbound graded aggregate base are analysed. It will be of some use in unbound graded base which are used for base of road.
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。
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.
研究表明,在保持道路材料原有级配的情况下,掺入适量外加材料可有效改善路面裂缝状况。
The results show that proper additives can effectively improve the crack condition by maintaining the original gradation level of materials.
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.
据此从限载、路面结构设计、调整级配及使用改性沥青等方面提出了避免沥青混凝土路面产生车辙等早期破损的建议。
Analysis of the distresses indicates that the main causes are the heavy traffic load and greater variation of the bitumen concrete gradation. Therefore, the recommendations such …
据此从限载、路面结构设计、调整级配及使用改性沥青等方面提出了避免沥青混凝土路面产生车辙等早期破损的建议。
Analysis of the distresses indicates that the main causes are the heavy traffic load and greater variation of the bitumen concrete gradation. Therefore, the recommendations such …
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