The relationship of the density of compaction layer with the settling time and height isdeduced from that of the height of dear water layer with the settling time during the settling experiment.
根据沉降试验过程中澄清水层高度与沉降时间的关系,可推导出浓缩层浓度与沉降时间、沉降高度的关系。
Send soil samples to lab for compaction test so as to determine the most reasonable water content ratio to enable on-site control of dry density.
将土样送试验室做击实试验,确定其最优含水率和现场控制干密度。
Effects on optimum water content and maximum dry density of grit-clay mixture by grit content, as well as compaction characteristics are obtained.
得到砂砾石含量对混合料的最佳含水量及最大干密度的影响特征,及其不掺土的砂砾石料的击实特性。
The maximum dry density is a mainly index of compaction quality for rockfill material.
最大干密度是确定填石料压实质量的一个主要指标。
In the stage of compaction by initial damage, density damage increment of sandstone is positive and the rate ia positive.
在初始损伤的压密阶段,砂岩的密度损伤增量为正值,速率也为正;
Using the regress analysis method and the numerical analysis method to obtain the extremum of the compaction test, we may accurately extract the biggest dry density and the optimum moisture content.
利用回归分析法和数值分析法对击实试验数值进行分析,可以较准确地求出最大干密度和最佳含水量。
In the paper, through the compaction test, the optimum moisture content and maximal dry density of aeolian sand are determined.
本文通过击实试验,确定了风积沙的最佳含水量和最大干密度。
Results show that warm compaction can improve the green density and strength of 316L powder greatly and improve its sintered density and tensile strength as well.
试验结果表明:温压工艺能够较大幅度地提高316L不锈钢粉末的生坯密度和生坯强度,也能提高其烧结后的密度和抗拉强度。
The main problem of decompaction correction is how to found a reliable porosity depth function or density depth function which expresses the compaction process of clastic rock.
碎屑岩层的去压实校正的主要问题是建立一个能正确反映岩层压实规律的孔隙度深度函数或密度深度函数。
After roller compaction, the wet density of RCC would be measured by sampling from the digged pit or by nuclear densimeter.
碾压后,挖坑取样或采用核子密度水分计选点测量碾压混凝土的湿密度。
Using the latter, with the correlativity of soil 'density and the velocity of the Rayleigh surface wave, we can obtain the compaction of the subgrade.
后者则是用已得到的各层瑞雷波速度值,利用土密度与瑞雷波速的相关关系计算各层的压实度。
Fitting orthogonal polynomial method for characterizing the functional relationship between the dry density and moisture content of earth-fill in standard compaction test is presented.
提出了描述标准击实试验中土料干密度和含水量之间函数关系的拟合正交多项式方法。
Results of this study show that, powder mixing method, compaction temperature and binder concentration have significant effects on the green density.
研究结果表明,不同预粘结工艺、压制温度和粘结剂含量对压坯密度影响很大。
Model tests of large driven pile jacked into sands were conducted to obtain the soil density changes due to the compaction.
通过砂土中的大型沉桩模型试验,得出了桩周土体相对密度的变化规律。
The technique of warm compaction has huge advantage in manufacturing the low cost, high density, high strength and high fineness powder metallurgical parts.
温压工艺在制造低成本、高密度、高强度、高精度异形复杂的粉末冶金零件方面具有巨大的优势。
Once roller compaction is completed for each layer, apply rapid test of the density and porosity with a nuclear densimeter…
每层碾压完毕,用核子密度仪快速检测压实密度和孔隙率,…
It shows that using non-nuclear density gauge to measure the compaction degree of asphalt pavement is fast, high efficient, accurate and harmless.
无核密度仪检测沥青路面压实度具有快速、高效、准确、对人体无害等特点。
Influences of processing parameters of warm compaction on green density of 420 stainless steel were studied.
对420不锈钢粉末进行温压,探索温压工艺参数对压坯密度的影响,并对温压与室温模压添加0。
For guidance of construction and assurance of quality of soil compaction, a study was performed on the test method for the maximum dry density.
为指导施工和控制填土质量,研究了最大干密度试验方法。
The results show that the distributions of the relative density and the stress are very close at the top, the longitudinal section and the lateral wall of the compacts during the warm compaction.
结果表明:在钼粉末的温压成形过程中,压坯顶部半端面、轴截面和侧壁的相对密度分布等值线和其应力分布等值线非常接近。
Based on compaction test, the biggest dry density and the optimum water content of the lime stabilized loess with different ratio of lime to soil were got.
通过击实试验,获得了不同石灰掺量石灰黄土的最大干密度和最佳含水量。
It is very hard to establish the relation formula between the technical parameters and the compact-density in a low-voltage electromagnetic compaction of power materials.
将电磁成形技术应用于粉末压制时,很难确定各工艺参数与压制密度之间的关系。
Based on the compaction model of sandstone mudstone alternating beds, we advance a new formula for formation grain density, which conforms to grain volume and mass balance law.
又称催化剂真密度。表示炼油工艺流化床催化剂密度的一种方式。它是扣除了催化剂颗粒内微孔体积后的实体密度。
The effects of impact energy and compaction methods on the green density, the maximal impact force, the withdraw force and the radial springback were discussed.
研究电解铜粉高速压制成形工艺,探讨冲击能量、压制次数对生坯密度、最大冲击力和脱模力的影响。
The effect of vibration field and temperature on the density of polymer solid granules is studied through the experimental investigation of solid granule compaction.
利用聚合物动态流变综合测试仪中的三螺杆混炼单元加工铁氧体粘结磁体粒料,研究了振动力场对铁氧体粘结磁体力学性能和磁性能的影响。
The effect of vibration field and temperature on the density of polymer solid granules is studied through the experimental investigation of solid granule compaction.
利用聚合物动态流变综合测试仪中的三螺杆混炼单元加工铁氧体粘结磁体粒料,研究了振动力场对铁氧体粘结磁体力学性能和磁性能的影响。
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