The author's study of continuous compact deposit grading of aggregate through(systematic) experimental research lead to extend the two conventional formulae of continuous grading to five formulae depending on five rheological types of concrete mixtures.
从传统的连续级配密实堆积入手,通过系统的试验研究,将传统的2个常用的连续级配计算式,依5种流变性类型混凝土调整为5个计算式,并得出了5种类型拌合物的最佳石子用量,明确了砂率随胶结材用量变化的规律。
In order to know the influence of packing effect of micropowders on the property of concrete,uti-lized compressible packing model(CPM) to compute packing density of cementitious material under different systems,the thesis investigated impact of grading and content of micropowders on compressive strength of cement based composite materials with low water to binder ratio.
为了了解矿物微粉对混凝土性能的影响,利用可压缩堆积模型(CPM)计算了不同体系胶凝材料的堆积密实度,研究了矿物微粉级配及其相对掺量对低水胶比水泥基混合料抗压强度的影响。
Structural properties,such as packing density,coordination number and the distribution of coordination.
追踪了颗粒的堆积运动轨迹,并分析了堆积密实度和配位数及其分布规律。
The packing density of the cement and ultra fine fly ash granular mixtures have been analyzed by the method of minimum water dosage.
本文采用浆体最小需水量方法分析计算了水泥 -超细粉煤灰固体颗粒混合料体系的堆积密实度 ,并通过浆体密实度、流动性等试验方法研究分析了在低水胶比条件下超细粉煤灰对浆体物理密实填充的作用效应。
Compressible Packing Model(CPM)was used to analyze the real packing density of the cement powder system added with mineral admixture.
利用CPM可压缩堆积模型,对加入各种矿物掺合料的水泥粉体体系的实际堆积密实度进行了分析和研究。
By sieving the rice husk particles(RHPs),the paper presents the loose and the tap bulk density of different sizes of rice husk.
通过对稻壳粉进行筛分,测量了不同粒径稻壳粉的松散堆积密度和振实堆积密度。