半刚性基层材料的典型代表是二灰碎石。
抗拉强度是二灰碎石的主要力学性能之一。
Tensile strength is one of main mechanics properties of lime-fly ash hound macadam.
冻融后质量损失都小于素二灰碎石冻融后的质量损失。
The frost thawing empress mass defect is smaller than common lime-fly ash aggregate.
介绍了二灰桩的应用原理及其在工程设计中的应用情况。
In this paper the application principle and application situation in the engineering design of two ash pile are introduced.
结果表明,集料级配对二灰碎石的抗压强度有显著影响;
The result indicated that the aggregate gradation has a remarkable effect on the compression strength.
间断级配时间断区段的粒径越大,二灰碎石的强度越高。
The bigger the size of intermittent division in discontinuous gradation is adopted, the higher the strength becomes.
从分析二灰碎石强度形成的原理入手,找出主要影响因素。
Through analysing the strength from of macadam with lime and ash, the primary factors could be found.
二灰早强剂稳定沙漠沙基层的路用性能优于二灰稳定沙漠沙。
The lime-fly ash stabilized sands with accelerator has perfect road-use performance.
但是对于二灰稳定特殊土(如膨胀土)的研究并不系统和全面。
But, it is not systematic and comprehensive to study lime-ash stabilized expansive soil.
用二灰砂砾作公路路面结构的基层,可在不中断交通情况下施工。
Lime industrial solid waste stabilized sand gravel is applied in base of highway pavement structure. Without stopping traffic, construction can proceed.
采用石灰、粉煤灰及再生混凝土集料为原料,配制成二灰稳定再生集料。
The recycled concrete aggregate stabilized by lime and fly-ash(RSLF) is designed and fabricated by use of lime, fly-ash and recycled concrete aggregate(RCA).
从各项指标的变化情况来看,使用二灰桩具有明显的经济效益和社会效益。
The changes of performance indexes show that the two ash pile has good society and economy benefits.
水泥粉煤灰路面基层是一种兼有水泥和二灰稳定粒料优点的路面基层材料。
The cement fly ash is a base course material for pavement that has the advantage of both cement and fly ash stabilized granular.
结果表明,水泥掺量是影响二灰碎石早期强度的主要因素,其次是二灰内比。
The results show that cement adding is the main factor to effect the early strength of ASLF, the second is proportion of Lime and Fly-ash.
介绍了二灰稳定碎石用于高速公路路面基层施工中的施工工艺和质量控制要点。
The paper introduces the construction technology and essentials for quality control for lime and fly ash stabilized macadam to be used in freeway pavement base construction.
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.
干缩试验结果表明:随着失水率的增加,二灰稳定土的干缩系数先增大后减小。
Dry-shrink tests show that the dry-shrink coefficient firstly increases, then decreases with the increment of the increment of the water loss rate.
本文主要对以二灰为添加剂的旧沥青路面冷再生基层(底基层)技术进行了研究。
This paper primary studies the technology of lime flyash-stabilized cold reclaimed asphalt pavement mixture for bases and subbases.
研究表明,掺加二灰后级配碎石混合料的性能显著提高,特别是二灰的填充系数为0。
The results show that the performances of graded gravel mixture are improved significantly after being treated with cement and lime, especially when fill factor is 0.
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.
聚丙烯纤维加固二灰碎石的28天及60天的最大温缩系数均小于素二灰碎石的温缩系数。
The max temperature shrinkage coefficient 28 days and 60 days is smaller than common lime-fly ash aggregate.
测定二灰级配集料中石灰剂量的方法(试验规程上的方法和改进方法)对测定结果有显著影响。
The methods(provided by the experiment rule or improved)used to determine the amount of lime in lime-fly ash bound aggregate with specific grading influence remarkably the results of determination.
本论文的结论对今后进一步开展二灰稳定膨胀土的研究和应用具有一定的理论价值及指导作用。
The paper's conclusion will provide some theoretical value and direction for the study and application of lime-ash stabilized expansive soil.
由于土的成分区域差异性,对于特定区域土的石灰、二灰稳定的合理配比,必须通过实验来确定。
Because of the soil's ingredient region difference, the reasonable mix of lime soil. Lime-ash soil stabilized in special region must be determined through the test.
二灰黄土是利用石灰、粉煤灰与土料混合作为回填土的一种新型材料,用以代替传统的灰土或素填土。
Lime-fly ash loess, composed of fly ash, lime and loess, is a new material in subgrade backfill to take the place of the (traditional) lime soil.
钢渣粉煤灰路面基层材料的长期强度介于水泥稳定碎石和二灰稳定碎石之间,可用于各等级公路基层底基层的修筑。
The long term strength of it is between the cement stabilized broken stone and lime fly ash stabilized broken stone. It can be used as road base and subbase material in any degrade highway.
用硫酸钠添加剂的方法改善低活性粉煤灰,可以提高二灰碎石的早期强度、减少裂缝、缩短施工周期,并保证施工质量。
The activity of Na2SO4 can improve the performance of low-active flyash, such as improving the early strength, reducing cracks, shorting construction period and ensuring the construction quality.
本文针对我国高速公路大修中半刚性基层铣刨后浪费严重的现状,研究了高速公路二灰碎石基层再生后做刚性基层的技术。
Considering the serious waste of milled semi-rigid base in freeway overhaul, a technique on reclaimed lime-fly ash macadam used in rigid base was studied.
在此基础上提出二灰碎石基层施工质量控制要点,并在具体工程中进行实践检验,为二灰碎石的施工提供了一定的理论和实践依据。
On the base of this, Put forward the main quality points of macadam with lime and ash in the construction, and test in the actual project. And provide definite academic and practical gist.
通过正交试验,找到二灰碎石各种材料的用量比例,主要是二灰内比、碎石比例和级配、水泥掺量等与结构强度、横缝出现情况的关系。
The mixture ratios mainly including the proportion of Lime and Fly-ash, aggregate and grading collocation and the cement parameter are found out through orthogonal experiment.
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