نتایج جستجو برای: california bearing ratio
تعداد نتایج: 632305 فیلتر نتایج به سال:
En este trabajo se caracterizaron 10.000 toneladas de escombreras mármoles a fin definir sus parámetros físico-mecánicos y mineralógicos determinar su aptitud como componente principal en capas granulares una estructura pavimento. Aunque los coeficientes Los Ángeles (41-53%) exceden lo permitido la especificación referencia, granulometría, plasticidad California Bearing Ratio (C.B.R.) (76, 83, ...
This research investigates the static and cyclic characteristics of recycled glass (RG) as a supplementary material with concrete aggregate (RCA) in rail track capping layer. RG was blended by-weight RCA 10% increments up to 50% content. A performance-based laboratory testing scheme designed according field loading conditions layers tracks. Basic geotechnical properties + blends were evaluated ...
The validity of the compressible Reynolds equation to predict the local pressure in a gas-lubricated, textured parallel slider bearing is investigated. The local bearing pressure is numerically simulated using the Reynolds equation and the Navier-Stokes equations for different texture geometries and operating conditions. The respective results are compared and the simplifying assumptions inhere...
This paper presents how the refrigerant dissolved in oil affects on Journal bearings reliability. The bearing model test is performed using the hermetic test apparatus. The oil film pressure is measured under several types of bearing grooves, L/D ratios and mixing ratios of refrigerant to oil. As a result, the means by which the refrigerant dissolved in oil causes damage to journal bearings is ...
This paper proposes the use of waste plastic bottles as a soil stabilizer. Plastics have always been difficult to dispose since they are non-biodegradable. Today's building industry is in desperate need low-cost materials improve strength and bearing capacity. Waste can be used geotechnical qualities poor-grade soil. One most prevalent problems with recycling that it typically made up mor...
This paper investigates response of triangular shell strip footings situated on the sandy slope. A series of reduced-scale plate load tests were conducted to cover different parameters including three shell footing types with different apex angles in addition to a flat footing, four different distances for strip footings from the crest of the slope namely “edge distance” and reinforcement statu...
CLEANING SOLVENT FOR REMOVING CARBON-BEARING CONTAMINATION. J. H. Allton and K. R. Kuhlman, K. K. Allums, C. P. Gonzalez, A. J. G. Jurewicz, D. S. Burnett, and D. S. Woolum. NASA/Johnson Space Center, Mail Code XI, 2101 NASA Parkway, Houston, TX, 77058, [email protected], Planetary Science Institute, Tucson, AZ, Jacobs JETS Contract, NASA Johnson Space Center, Houston, TX, Arizona State ...
In this study, the co-operation of steel and concrete in composite columns is considered. Using numerical modeling to study the behavior of these sections, a new type of sections, namely Concrete Filled Double-Skin steel Tubular (CFDST) columns, is introduced. The parameters and techniques that influence the numerical simulation that bring this modeling closer to...
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