碾
- 与 碾 相关的网络例句 [注:此内容来源于网络,仅供参考]
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Highway construction lacks quantitative technological guidance. At first, this paper conducts in depth research on classification method, compaction propeties, granulometric composition and crushing of stone....
本文首先从石料的分类方法、压实特性、粒径组成以及破碎性等方面进行研究,在明确填石路基填料的工程特性基础上,进而提出了填石路基的地基处理要求,然后结合广西水南路和甘肃兰临路填石路基试验路段上的现场研究,通过对填石路基填料最大粒径、松铺厚度、粒径组成,压实机械以及碾压遍数等影响压实效果因素的综合分析,系统研究了填石路基填料的摊铺与整平技术、压实机械选型技术、压实工艺以及边坡施工技术等施工工艺中的关键问题,最后提出石灰岩类和砂岩类填石路基的施工工艺要求。
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Superpave Gyratory Compactor provides the densification curve.It reflects the inherent characteristic of asphalt mixture.
沥青混合料的压实特性是指其在施工碾压和使用过程中体积参数的变化和稳定性。
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The properties of different asphalt mixes specimens made with Marshall compaction, vibration compaction, gyratory compaction, and roller compaction methods were evaluated and compared with real asphalt pavement.
应用二维数字图像处理技术,对采用Marshall击实、振动压实、旋转压实和轮碾压实等不同压实方法沥青混合料内部结构特性进行了分析和评价,并与真实路面结构内部特性进行对比。
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The rolling compaction, vibrating compaction, or gyratory compaction specimens have the good statistical properties, the big sample analysis indicated that the distribution is accord with Γ probability density distribution.
轮碾压实、振动压实和旋转压实成型试件的集料颗粒主轴方向具有较好的统计特性,大样本分析显示,基本符合伽马概率密度分布。
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The project was based on the influence to the asphalt mixture volumectric property by the different compaction method (Marshall Compaction, Roller Compaction, Gyratory Compaction, Vibratory Compaction), a great deal of the experiments has been done with the consideration of the pratical construction. A lot of studies were carried out, such as the study of asphalt mixture image inquiring technique--"Colour Method", the feasibility study of the application of the 2D digital image processing technique on the asphalt mixture and the utiliztion of this technique on the compacting properties analysis of asphalt mixtures. A good beginning and foundation was made for the application of the digital image processing method on the study of the 3D asphalt mixture voluemetric components constitute.
本项目以研究不同沥青混合料成型方法(马歇尔击实、轮碾压实、旋转压实、振动压实)对沥青混合料体积特性的影响作为切入点,结合实际工程,进行了大量试验,开展了&色彩法&沥青混合料图像获取技术研究、沥青混合料二维数字图像处理技术的可行性研究以及采用该技术分析沥青混合料压实特性等研究工作,取得了一系列研究成果,为采用数字图像处理技术解决三维沥青混合料体积组成特性开创了良好的开端,奠定了坚实的基础。
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With the different laboratory compaction method and the real pavement, the study of particle stability and density indicated that Marshall compacted specimen can not simulate the real pavement, the rolling and gyratory compacted specimen are the most similar with real pavement, vibrating compacted specimen is second similar with the real pavement.
针对不同试验室压实方法成型试件和实际路面,从集料颗粒的稳定性和密实程度两个角度的对比研究表明,马歇尔击实成型试件法无法有效模拟实际路面,表现在其粗集料颗粒主轴取向无统计规律且与实际路面不具相关性;轮碾压实和旋转压实试件具有与路面最接近的稳定性和密实程度;振动压实次之,虽然表现出具有使颗粒较好均匀分散成型的特点,但其粗集料颗粒骨架的稳定性不够理想,致使其密实程度相对不高。
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She cried inconsolably when her cat was run over by a car.
一辆车碾了她的猫,使得她嚎啕大哭。
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Reinforced Earth is, therefore, a composite material, combining the compressive and shear strength of compacted granular fill with the tensile strength of horizontal, inextensible reinforcements.
因此,加筋土是一种复合材料,它将经碾压的粗粒回填土的压缩性和剪切强度与横向无伸展性的加固材料的抗拉强度相结合。
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In this paper, the 3-D finite element relocating mesh method is used to calculate the temperature field and the thermal creep stress field of spillway dam and mid level outlet dam in certain roller compacted concrete gravity dam, sensitivity analysis have been down with different parameters, such as placing temperature, the location of cooling pipe, cooling temperature, time for water supply, ascended-layer of concrete, intermissive time and different placing time, and the commendatory construction scheme have been put forward in such analysis; according by the test result on the two scheme of concrete aggregate combination (basalt as coarse aggregate and limestone as fine aggregate, basalt as coarse aggregate and basalt as fine aggregate), simulation analysis on temperature field and thermal creep stress field of the commendatory construction scheme have been down, and analysis have also been down on temperature field and thermal stress field of the two different aggregate combination, the result indicates that the spillway dam and mid level outlet dam which adopted these two aggregate combination can both satisfy the require of design crack resistance in concrete, furthermore limestone as fine is better than basalt as fine aggregate; the effect of summer water storage and winter water storage on the temperature field and thermal stress field have been analyzed, comparing with winter water storage, in summer water storage scheme the maximum tensile stress at abnormal concrete in upstream fill is decreased by 0.1~0.3MPa and there are no evidence change of the maximum tensile stress at other parts, which indicate that summer water storage is avail for the crack resistance of upstream fill; according to the simulation calculating result and comparing temperature simulation calculating results and temperature controlling measures of some similarity projects both completed and construction, synthesis appraise have been carried to the design temperature controlling measures of dam, and the temperature controlling measures of this project have been brought forward, all these have great reference value on the design of temperature controlling measures and the optimization of the construction scheme.
本文采用三维有限元浮动网格法仿真计算程序,对某碾压混凝土重力坝的溢流坝段和中孔坝段分别进行了三维有限元温度场和温度徐变应力仿真计算分析,对浇筑温度、冷却水管的布置方式、冷却水温、通水时间、浇筑升程和间歇时间、不同开始浇筑日期等参数进行了敏感性分析,在此基础上提出了推荐的施工方案;根据两种骨料方案(玄武岩粗骨料+灰岩细骨料方案;玄武岩粗骨料+玄武岩细骨料方案)的混凝土性能试验研究成果,对推荐的施工方案进行了温度场和温度徐变应力仿真计算,并对比分析了两种不同骨料情况下的温度场和温度应力,结果表明溢流坝段及中孔坝段采用上述两种骨料均能满足混凝土的抗裂设计要求,且灰岩细骨料优于玄武岩细骨料;计算分析了夏季蓄水和冬季蓄水对坝体温度场和温度应力的影响,夏季蓄水方案与冬季蓄水方案相比,坝体上游变态混凝土区域最大拉应力小0.1~0.3MPa,其他部位最大拉应力无明显变化,夏季蓄水对坝体上游面混凝土的抗裂有利;根据仿真计算成果并通过比较国内一些已建和在建的类似工程的温度仿真计算成果及采取的温控措施,对大坝的设计温控措施进行了综合评价,并提出了该工程的温控措施,对温控设计和优化施工方案具有重要参考价值。
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O ne afternoon I was walking across the yard and stopped to pick up an acorn---one acorn, nut brown, glossy, cool to the touch; the crested top was milled and knurled like the knob on a safe.
当一天下午穿行经过院子时,我驻足捡起颗橡子——一枚橡子,褐色的坚果,触摸起来光滑而清凉;顶部的果冠像保险箱上的把手一样是碾磨过的凸起。
- 推荐网络例句
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On the other hand, the more important thing is because the urban housing is a kind of heterogeneity products.
另一方面,更重要的是由于城市住房是一种异质性产品。
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Climate histogram is the fall that collects place measure calm value, cent serves as cross axle for a few equal interval, the area that the frequency that the value appears according to place is accumulated and becomes will be determined inside each interval, discharge the graph that rise with post, also be called histogram.
气候直方图是将所收集的降水量测定值,分为几个相等的区间作为横轴,并将各区间内所测定值依所出现的次数累积而成的面积,用柱子排起来的图形,也叫做柱状图。
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You rap, you know we are not so good at rapping, huh?
你唱吧,你也知道我们并不那么擅长说唱,对吧?