查询词典 macadam

The Semi-rigid Base course material made of Lime-fly-ash bound macadam has been widely used in highway construction of China for its high workability and notable economic benefits.

半刚性路面基层材料——二灰碎石以其优良的工作性能和显著的经济效益在我国道路建设中得到了广泛应用。

Combined with engineering instance,this paper analyzes the causes of the problems probably existed in paving road bed soil, grey soil and lime-fly ash macadam and in pavement construction,and proposes treatment measures in light of different problems,in order to ensure construction quality of road.

结合工程实例，对路床土、灰土、二灰碎石的铺设及路面施工中可能存在问题的原因进行了分析，并针对不同的问题提出针对性的处理措施，以保证道路的施工质量。

Based on some studies at home and abroad, with analysis on water damage in pavement, design method of subsurface drainage system is discussed in this paper, and the major technical performance indexes is introduced too. Through much theoretical analysis of laboratory experiments, mechanism properties and composition design method of porous cement-treated macadam is obtained.

本文在参考国内外研究成果的基础上，通过分析路面水损害机理，探讨了路面内部排水系统的设计方法，介绍了路面内部排水系统的主要技术性能指标，结合室内试验分析，探讨了多孔隙水泥稳定碎石材料性能和组成设计方法。

Without taking photos yestorday, great changes could be seen today: bituminous macadam was paved already.

星期日，就差昨天没拍，今天就看到了翻天覆地的变化：柏油路面已经铺上了。

Combined with the engineering practice,the paper discussed the construction technology and quality control measures of macadam compaction pile treating with soft subgrade .

针对日照市南沿海公路软基加固的工程实践，探讨了采用挤密碎石桩处理软弱地基的施工工艺和工程质量控制措施。

40 P.m.-- scramble up and down at macadam along the Great Wall on the ridge was very difficult.

3：40 p.m。--沿着长城走并不轻松，要踩着碎石艰难地翻越一座座山头。

Experimental result showed that the interlayer bonding strength between the slurry-sealed coat and asphalt- macadam bottom layer decreases with increasing temperature.

试验结果说明，随着温度的升高，稀浆封层与沥青碎石下面层之间黏结强度在减小

Recycled aggregate instead of natural macadam and sand is used to make recycled aggregate concrete and one of indexes-the capacity of resisting the freezing and thawing repellence of recycled aggregate concrete's durability with city, garbage melting slag is discussed.

为了研究城市垃圾熔渣细骨料以及废弃混凝土粗骨料再生利用的可能性，着眼于城市垃圾熔渣再生混凝土的耐久性能，试验以100%再生粗骨料以及垃圾熔渣细骨料替代天然碎石和砂子制备再生混凝土，探讨了城市垃圾熔渣再生混凝土的耐久性能之一抵抗冻融循环的能力。

The preparation and complete mechanized construction technology of semi-rigid subbase and base course with cement stabilized macadam are introduced.

针对水泥稳定碎石混合料类半刚性底基层、基层，介绍了施工的前期准备工作，以及较为完整的机械化施工工艺等，指出了施工中应该注意的问题。

Connected with cross section patterns of freeway, the design method of drainable base course system and edge drainage system which meet to request are given too. The aggregate grading and mixture ratio of porous cement-treated macadam are obtained based on accurate survey on material properties and lots of laboratory experiments. After the construction of experiment road, a summary of mixing, spreading, roller compaction and maintenance process about subsurface drainage system is made, and the analysis on the cost of construction about drainable base course is also carried. According to the test of coefficient of permeability, porosity and strength of compression about local test samples and core samples, the paper concludes that main performance index of subsurface drainage system has achieved the design anticipated effect.

结合高速公路横断面型式，提出了适合要求的排水基层排水系统和边缘排水系统设计方案；在进行详细材料调查和大量室内试验的基础上，提出了多孔隙水泥稳定碎石基层的集料级配和混合料配合比；修建了路面内部排水系统试验路，根据试验路工程的施工情况，对路面内部排水系统施工的拌和、摊铺、碾压和养护工艺进行了总结；并对排水基层造价进行了分析；通过对现场取样试件、芯样的渗透系数、孔隙率和抗压强度的测试，证明路面内部排水系统的主要性能指标均达到了设计预期的效果。

The absorption and distribution of chromium were studied in ryeusing nutrient culture technique and pot experiment.

采用不同浓度K2CrO4(0，0.4，0.8和1.2 mmol/L)的Hoagland营养液处理黑麦幼苗，测定铬在黑麦体内的亚细胞分布、铬化学形态及不同部位的积累。

By analyzing theory foundation of mathematical morphology in the digital image processing, researching morphology arithmetic of the binary Image, discussing two basic forms for the least structure element: dilation and erosion.

通过分析数学形态学在图像中的理论基础，研究二值图像的形态分析算法，探讨最小结构元素的两种基本形态：膨胀和腐蚀；分析了数学形态学复杂算法的基本原理，把数学形态学的部分并行处理理念引入到家实际应用中。