2021年4月1日 The relationship between modulus and mortar fluidity, yield stress and plastic viscosity. Research shows that with the increase of the cumulative screening rate
2023年5月1日 The pore structure test shows that the increase of mud content will appropriately reduce the proportion of harmless pores in machine-made sand concrete,
Keywords: mechanical sand; water content; Intelligent monitoring; on line monitoring; capacitor type sensing. 1. Introduction In cement production, the measurement of water
2021年4月15日 The soil saturated hydraulic conductivity ( Ksat) describes the rate of water movement through saturated soils and is defined as the ratio between water flux and
2020年7月30日 Machine-made sand (MS) has become a hot topic in construction materials due to the depletion and scarcity of natural river sand. Aggregate micro fines (AMF) of
2021年1月22日 The results show an accuracy of between 94% and 97% in the classification task of the Dry, Semisolid, Plastic and Saturated classes, and between
The working performance and durability of medium and low strength machine-made sand concrete with different stone powder contents were studied, and the optimal range of
2013年9月30日 In simple language, the condition referred to as saturated surface dry using (Riffle sampling) is a condition where the sand or other materials will flow freely from a
2023年5月3日 Generally, the content of stone powder is in the range of 10% to 17%. When the initial moisture content of sand is 15% to 17%, the dehydration speed is fast in the
2022年4月17日 machine-made sand cement concrete C50 reached the best when the machine-made sand cement content was 5%. Yang Lu [17] et al. conducted the study on the performance of machine-made sand concrete. Results show that the compressive strength of machine-made sand concrete is equivalent to that of river sand concrete.
2021年11月30日 Compared with the original sand, the thermal conductivity of sand/kaolin and sand/kaolin/graphite blends (5% blending percentage each) with 10% water content increased by 9% and 17%, respectively, and the average values at all test points for their soil water diffusivity reduced by 68% and 84%, respectively.
2021年4月1日 [1] Zhu J.L., Lang X.G. and Jia X.E. 2001 Production status and development of machine-made sand[J] Mining and Metallurgy 38-42 Google Scholar [2] Qiu H.Q. 2015 The influence of machine-made sand particle shape and stone powder content on concrete performance[D] (Shenzhen University) Google Scholar [3] Ai C.F., Peng H. and
2019年11月26日 The moisture-density relationship of clay-sand mixtures was investigated for variable clay content. Figure 1 presents an example of a dry density-moisture profile as obtained for a clay-sand mixture with
2018年6月14日 This stone considers the behaviour of loose quartz sand loaded to 200 MPa at moisture contents between 0.0 % and 15.0 %, providing information on the effects of moisture content on both pre- and post-saturation stiffness.
determination of machine-made sand moisture. Mechanical sand is fed into the metering bucket through the silo. In order to monitor the water content of machine-made sand in real time, an antenna must be set at the outlet side [8]. In order to imitate the actual output, the materials in the silo are compressed according to a certain size. The
2023年5月22日 该文结合我国西部地区沙漠砂资源丰富的情况，开展了沙漠砂+机制砂混凝土 (Desert sand + Machine-made sand Concrete, DMC)的力学性能试验，分析了不同沙漠砂替代率对混凝土强度和弹性模量的影响规律：DMC的强度与弹性模量随龄期逐渐增长，养护14d和28d时DMC轴心抗压强度
2021年1月22日 The results show an accuracy of between 94% and 97% in the classification task of the Dry, Semisolid, Plastic and Saturated classes, and between 0.356 and 0.378 of the MAE metric in the regression task, which is sufficient to estimate the w% with ML methods. Published in: IEEE Access ( Volume: 9 ) Article #: Page (s): 16988
SSD proportional to % of moisture presence in the pores of the aggregates.Less moisture more impermeable.0.5% moisture content in sand indicates good in quality Cite Anuj Maheshwari
2023年5月3日 The water content specification of machine-made sand stipulates: “The moisture content of the saturated surface of machine-made sand should not exceed 6%”.
2022年4月17日 machine-made sand cement concrete C50 reached the best when the machine-made sand cement content was 5%. Yang Lu [17] et al. conducted the study on the performance of machine-made sand concrete. Results show that the compressive strength of machine-made sand concrete is equivalent to that of river sand concrete.
2021年4月1日 Research shows that with the increase of the cumulative screening rate and fineness modulus of machine-made sand with different gradations, the fluidity of the mortar increases and the workability of the mortar increases.
2018年6月14日 This stone considers the behaviour of loose quartz sand loaded to 200 MPa at moisture contents between 0.0 % and 15.0 %, providing information on the effects of moisture content on both pre- and post-saturation stiffness.
2019年6月3日 3.1 Time required for moisture equilibration of as-received moisture-equilibrated and saturated moisture-equilibrated samples. The time required for moisture equilibration of 15 g samples is 72 h (Fig. 2).The region where the best-fit line for the data appears to be more stable, in Fig. 2b, is the region where moisture change becomes
determination of machine-made sand moisture. Mechanical sand is fed into the metering bucket through the silo. In order to monitor the water content of machine-made sand in real time, an antenna must be set at the outlet side [8]. In order to imitate the actual output, the materials in the silo are compressed according to a certain size. The
2021年1月22日 The results show an accuracy of between 94% and 97% in the classification task of the Dry, Semisolid, Plastic and Saturated classes, and between 0.356 and 0.378 of the MAE metric in the regression task, which is sufficient to estimate the w% with ML methods. Published in: IEEE Access ( Volume: 9 ) Article #: Page (s): 16988
Pure carbon dioxide cannot be dehydrated to relative water saturation below 100% if the 3rd stage discharge pressure is around 3400 kPa, as in the above example.However, if the next to last compression stage discharge pressure is increased to 5000 kPa, at which pressure the saturated water content is 2.80 g/Sm3, the relative water saturation of this particular
SSD proportional to % of moisture presence in the pores of the aggregates.Less moisture more impermeable.0.5% moisture content in sand indicates good in quality Cite Anuj Maheshwari
2013年2月12日 ABSTRACT Saturation and dry density are important parameters governing soil thermal conductivity. An increare in either saturation or dry density of a soil will result in an increase in its conductivity. Both of these parameters should be accounted for in conductivity prediction methods.
2023年5月3日 The water content specification of machine-made sand stipulates: “The moisture content of the saturated surface of machine-made sand should not exceed 6%”.
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