Results 71 to 80 of about 3,075,033 (369)
Journal of the Fuel Society of Japan, 1968 The compressive strength have been measured on irregular shaped coals ranging from 0.1mm to 2.0mm particle size for low ash coals in Hokkaido. The results obtained from these experiments and those obtained from the silica ball-mill grinding test for the same coals are summerized as follows:1) There are linear relationships between mean compressive ...
openaire +3 more sources
Sustainability, 2020 This study aims to analyze the sensitivity and robustness of two Artificial Intelligence (AI) techniques, namely Gaussian Process Regression (GPR) with five different kernels (Matern32, Matern52, Exponential, Squared Exponential, and Rational Quadratic ...
D. Dao +6 more
semanticscholar +1 more source
Journal of Materials Research and Technology, 2019 This study presents the relationship between the rheology and the compressive strength of self-compacting concrete (SCC). The concrete mixes contained eight different dosages of superplasticizer.
M. Benaicha +3 more
doaj
Response surfaces for compressive strength of concrete
Construction and Building Materials, 2013 The aim of total quality management (TQM) is to offer satisfactorily high quality products to customers for providing increased productivity and decreased costs. Various methods are used for process improvement, development and optimization. In ready mixed concrete production, the number and the variations of effect parameters can be reduced using ...
Cihan, M. Timur +2 more
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Crystals, 2020 Compressive strength is one of the important property of concrete and depends on many factors. Most of the concrete compressive strength predictive models mainly rely on available literature data, which are too simple to consider all the contributing ...
M. Javed +8 more
semanticscholar +1 more source
Prediction of Lightweight Aggregate Concrete Compressive Strength [PDF]
Journal of Rehabilitation in Civil Engineering, 2018 Nowadays, the better performance of lightweight structures during earthquake has resulted in using lightweight concrete more than ever. However, determining the compressive strength of concrete used in these structures during their service through a none-
Omid Fatahi, Saeed Jafari
doaj +1 more source
Shear strength properties of wet granular materials [PDF]
, 2006 We investigate shear strength properties of wet granular materials in the pendular state (i.e. the state where the liquid phase is discontinuous) as a function of water content. Sand and glass beads were wetted and tested in a direct shear cell and under various confining pressures.
arxiv +1 more source
Magnetic Field Strength in the Upper Solar Corona Using White-light Shock Structures Surrounding Coronal Mass Ejections [PDF]
, 2011 To measure the magnetic field strength in the solar corona, we examined 10 fast (> 1000 km/s) limb CMEs which show clear shock structures in SOHO/LASCO images. By applying piston-shock relationship to the observed CME's standoff distance and electron density compression ratio, we estimated the Mach number, Alfven speed, and magnetic field strength in ...
arxiv +1 more source
Elasticity of Diametrically Compressed Microfabricated Woodpile Lattices
Advanced Engineering Materials, EarlyView.Modulus–porosity relationship is derived for woodpile lattices with struts under diametrical compression. The formula presented here that Young's modulus is proportional to the square of the volume fraction E˜ρ2$E \sim \left(\rho\right)^{2}$ is shown to be consistent with computations and laboratory experiments on 3D‐printed samples.
Faezeh Shalchy, Atul Bhaskar
wiley +1 more source
Simulation computation in grammar-compressed graphs [PDF]
arXiv, 2020 Like [1], we present an algorithm to compute the simulation of a query pattern in a graph of labeled nodes and unlabeled edges. However, our algorithm works on a compressed graph grammar, instead of on the original graph. The speed-up of our algorithm compared to the algorithm in [1] grows with the size of the graph and with the compression strength.
arxiv