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.
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.
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.
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.
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.
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.
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.
根据室内试验的结果,采用直观分析和方差分析方法分析了集料级配对二灰碎石混合料不同龄期抗压强度的影响。
The effects of aggregate gradation on lime-fly ash bound macadam "s compression strength in varied ages were analyzed. The direct-vision and variance analysis were adopted in indoor tests."
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.
同时,对高性能二灰碎石设计方法进行了修正,并对按照该设计方法设计的七种二灰碎石混合料综合路用性能进行了较为系统地理论研究和试验分析。
Meanwhile, the writer modified the design method of high performance lime flying-ash crushed stone, and analyzed the synthesised pavement performance of mixtures which were designed with this method.
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.
附近的默拉皮火山越来越活跃、威胁使局势更加严重。默拉皮火山星期二喷发出更多的火山灰和碎石块,致使人们担心火山可能就要爆发。
Increased activity at the nearby volcano, Mount Merapi, threatens to worsen the situation. The volcano spewed more clouds of ash and debris Tuesday, raising concerns it may be close to an eruption.
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.
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.
通过试验路三年的验证,也说明了骨架密实型二灰稳定碎石比现行规范规定的级配具有良好的路用性质。
The results show that it has a better pavement performance. A test road that operated for 3 years also verified this view.
通过试验路三年的验证,也说明了骨架密实型二灰稳定碎石比现行规范规定的级配具有良好的路用性质。
The results show that it has a better pavement performance. A test road that operated for 3 years also verified this view.
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