大坝垫层料采用以天然砂砾料为主、掺入小石和粗砂以调整级配的方式生产。
The cushion layer for the dam is constructed with the material prepared mainly with natural sandy gravel and mixed with proper amount of pebble and coarse sand.
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.
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.
由于水坝的体积大，用来筑坝的混凝土的粗骨科粒径大、分级多。合理确定最大粒径、分级尺寸和级配十分重要。
Because of vast volume of a dam, the coarse aggregate of concrete used for constructing a dam is of large grain size and more grading.
结合秦沈线施工特点，具体指出路基采用细粒土、粗粒山皮土和级配碎石几种具有代表性填料进行填筑的技术要求。
Considering the features of the construction of this line specific requirements are specified in the filling such as filling with fine earth, coarse mountain surface soil and graded crushed stones.
并通过试验得出，含一定量细粒组分且级配良好的粗粒土渗透破坏坡降比级配不良的粗粒土渗透破坏坡降普遍要高的结论。
And it comes to a conclusion that the permeation damage slope of the coarse-grained soil of well graded with a definite proportion of fine granule is higher than that of poorly graded.
并在此基础上，确定了粗集料的级配。
On the basis of this, the grade of coarse aggregates is confirmed.
研究发现粗集料的粒形、针片状颗粒含量和级配都会对其压碎值产生显著影响。
Particle shape, percentage of flat-elongated particles and gradation of coarse aggregate can produce remarkable influence on crushing value.
研究发现粗集料的粒形、针片状颗粒含量和级配都会对其压碎值产生显著影响。
Particle shape, percentage of flat-elongated particles and gradation of coarse aggregate can produce remarkable influence on crushing value.
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