نتایج جستجو برای: safety limit value
تعداد نتایج: 1147668 فیلتر نتایج به سال:
Most criticality safety calculations are performed using Monte Carlo techniques because of Monte Carlo’s ability to handle complex three-dimensional geometries. For Monte Carlo calculations, the more histories sampled, the lower the standard deviation of the resulting estimates. The common intuition is, therefore, that the mo re histories, the better; as a result, analysts tend to run Monte Car...
We study solvability for a model elliptic pseudo-differential equation with an additional integral condition in Sobolev–Slobodetskii spaces certain conical domains Euclidean space. . Using the wave factorization symbol we construct solution this boundary value problem and behavior of when parameters cones tend to their extremal values. It was shown that such need besides presented condition.
The load resistance factor according to the target reliability level was proposed using 16 vertical breakwaters constructed along coast of Korea. Limit state functions for sliding and overturning limit states were defined. Reliability analysis performed obtain sensitivity function design variables. partial safety factors variable obtained sensitivity, calculated in turn. representative value by...
this paper deals with three-dimensional evaluation of the slopes on the basis of limit analysis. an upper-bound technique of limit analysis is used in this paper to determine either the bearing capacity of a shallow foundation near a slope or the safety factor of the slope. the theorems of limit analysis (upper and lower bound) provide a powerful tool for solving problems in which limit loads n...
We report the first observation of Υ(2S) → ηΥ(1S), with branching fraction B = (2.1 −0.6 (stat.)± 0.3 (syst.))×10−4 and statistical significance 5.3σ. Data were acquired with the CLEO III detector at the CESR e+e− symmetric collider. This is the first process observed involving a b-quark spin flip. For related transitions, 90% confidence limits in units of 10−4 are B[Υ(2S) → π0Υ(1S)] < 1.8, B[Υ...
Background and Objectives: Sound of motorcycles plays an important role in noise pollution in big cities. This is due to the lack of national law or standards to control the noise of domestic and also imported motorcycles. This study tries to introduce a practical limit value in different stage of motorcycle life cycle by assessing their noise pollution. Materials and Methods: First the motorcy...
The body of information in this paper is directed to specialists in industrial health and safety, and air and water pollution, who need quantitative data on the odor thresholds of potentially hazardous chemical vapors and gases. The literature, largely unorganized, has been reviewed for 214 compounds and condensed into tables based on consistent units. Data on the volatility, solubility, ioniza...
Background and aims: Planning to increase production and tends to increase the efficiency of human resources in productive organizations without estimating the economic costs imposed on the organization, cause the actual value of safety is ignored in workplaces. Among the financial cost of the productive organizations, the subject of safety promotion through decreasing the probable hazards will...
Stability of reinforced slopes is almost always carried out using limit equilibrium methods and controlled by the shear strengths of the slope materials and the extension force of reinforcements. According to limit equilibrium methods, the stability of slopes is assessed by dividing the whole failure wedge into several vertical elements. In order to determine the safety
factor of the reinfor...
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