Using different degree of aggregate ratio of quality level, and combined design of optimization.
采用不同的粗细集料质量比例进行级配合成设计,并进行级配的优选。
Described here is the cold bending rupture test on the AC-16C modified asphalt mixture designed using the GTM method with varied gradation, bitumen-aggregate ratio and cement-bitumen ratio.
论述了以gtm设计的AC - 16 C改性沥青混合料为基础,在级配、油石比、粉油比变化的条件下,分别对混合料进行低温弯曲破坏试验。
A static uniaxial creep test is implemented to investigate the influence of the void ratio and the asphalt-aggregate ratio on the stability at high temperature of modified AC-20I asphalt mixture.
为探讨油石比和空隙率对沥青混合料高温性能的影响,对AC - 20改进型沥青混合料进行单轴静载蠕变试验研究。
Recent years have witnessed a constant decline of the ratio of China's trade surplus to its economic aggregate.
近年来,中国的贸易顺差额占经济总量的比重在不断下降。
Their average BIS ratio is 14%, and the aggregate raw capital-to-assets ratio is 6.8%, more than a percentage point higher than the aggregate for the Top 1000 as a whole.
他们平均的国际清算银行比率是14%,总的毛资本对资产比率是6.8%,比全部1000家的总和高出一个多百分点。
Although the aggregate number of failures may seem higher (due to the increased number of companies being launched) the ratio of early stage failures to successes is probably still the same.
尽管失败案例看起来更多,(由于新创建的公司也更多),创业早期的失败率很可能仍然大致相同。
Even after their tumble, the aggregate price-earnings ratio is in line with developed markets, rather than at the discount that has been the historical norm.
即便经过暴跌,其总体市盈率也只不过接近发达国家,而不是在其历史水平上进一步低估。
It can get good effect through the measures of advancing the aggregate grading and increasing sand ratio and provide reference for similar engineering.
通过改善集料级配,适当增加砂率等措施来解决流沙问题能取得良好的效果,可为类似工程提供参考。
Consumption ratio and its change is a key aggregate index, which reflex the state of national economy.
消费率及其变动是反映国民经济运行状况的重要宏观经济指标。
It is suggested to add reasonable ratio of fly ash when making use of reclaimed aggregate for preparation of concrete.
建议在利用再生集料制备混凝土时宜掺加合理比例的粉煤灰。
The ratio between mortar and coarse aggregate in concrete refers to the volume ratio.
浆骨比是指混凝土中砂浆体积和粗骨料体积比。
The surface area of aggregate per unit volume of mortar does have influence on the mean value of the nearest surface spacing, but the ratio between them is not constant.
单位砂浆体积下集料的表面积的变化对邻近集料表面最近间距的平均值有影响,但二者之间的比值并非常数。
For the using different ratio of filler bitumen, different nominal maximum size of aggregate, different asphalt, the paper analyzed thoroughly the influence to AM, ap, then get some related rule.
论文针对不同粉胶比、不同最大公称粒径集料、使用不同沥青对Am、Ap值变化影响进行了研究,得出了相关规律。
Compared with the normal concrete, ratio of the splitting tensile strength to the compression strength of recycled aggregate concrete with fly ash is increased, and the cracking resistance improved.
掺粉煤灰再生骨料混凝土的拉压比与同强度等级的高强混凝土相比有所提高,抗裂性能有所改善。
Finally using the model loading age and coarse aggregate, cement ratio parameters were analyzed, and the laws of fly ash concrete creep are present.
最终运用本模型对加载龄期和粗骨料、水泥砂浆比参数进行了分析,给出了粉煤灰混凝土徐变的规律。
This paper proceeds some discussion about the optimized sand-ratio, ave rage paste thickness and aggregate packing degree in the packing concrete mix proportion design.
本文对密实混凝土配合比设计中的最优砂率、平均胶结浆体厚度、骨料密实度进行了一些探讨。
On the physical properties, many deferent ingredients of recycled concrete are tried by adjusting concrete mixture ratio including the recycled coarse aggregate, FDN and fly ash.
在再生混凝土基本性能方面:通过采用不同的水灰比、不同的再生骨料的取代率以及不同的减水剂掺进量,配制再生混凝土。
The effects of recycled aggregate quantity, PFA replacing cement quantity, PFA over-replacing quantity and water cement ratio on PFA regeneration concrete compression strength were studied.
研究了再生骨料掺量、粉煤灰取代水泥量、粉煤灰超量系数和水灰比对粉煤灰再生混凝土抗压强度的影响。
We studied, according to the characteristic of recycled aggregate, the mixture proportion design of recycled concrete on the basis of free water cement ratio.
根据再生骨料的特点,对基于自由水灰比再生混凝土的配合比设计进行研究。
How to determine the stability, flow value, how to choose an advisable void volume and what kind of mineral aggregate gradation is adopted are the key problems in Max ratio test.
如何准确测定稳定度和流值、如何选择合理的空隙率以及采用何种矿料级配是沥青混凝土配合比试验的关键问题。
Experimental results show that the compressive strength of concrete is closely related not only to the water-to-cement ratio, but also to the crushing value of aggregate.
试验结果表明,混凝土抗压强度不仅与水灰比密切相关,而且与骨料压碎指标有关。
The testing method comprises the following steps of: placing mixed concrete set with water cement ratio into the aggregate system to acquire initial volume data;
将设定水灰比的拌制混凝土装入集料系统采集初始体积数据;
The contents of the experiment included the measurement of the physical characteristics of filling aggregate and the test for the mixture ratio of cemented backfilling materials.
试验内容包括充填骨料物理性能测定和胶结充填材料配比试验。
However, when water cement ratio is below 0.57, compressive strength of recycled aggregate concrete increases with water cement ratio increased.
当水灰比小于0 57时,再生混凝土的抗压强度随着水灰比的增大而增大。
The following conclusions were reached: the ratio of prism compressive strength to cubic compressive strength of C45 fine aggregate concrete is 0.68.
得出了以下结论:C45细石混凝土的棱柱体抗压强度与立方体抗压强度的比值为0.68;
The following conclusions were reached: the ratio of prism compressive strength to cubic compressive strength of C45 fine aggregate concrete is 0.68.
得出了以下结论:C45细石混凝土的棱柱体抗压强度与立方体抗压强度的比值为0.68;
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