نتایج جستجو برای: pretension loads
تعداد نتایج: 41682 فیلتر نتایج به سال:
It is a well-known fact that cache hits are vital to superscalar processor performance. The successful execution of a load allows resources to be freed up and it also allows dependent instructions to proceed to execution. As processor cores operating frequencies rise rapidly, the cache hierarchy is struggling to keep up in terms of speed while still trying to provide good hit rates, because the...
In steel structures, unstiffened top and seat angle connections (TSACs) show semi-rigid behavior transfer both the vertical reaction some end moment of beam while also making degree rotation. The moment–rotation TSACs has been evaluated using experimental numerical analyses under monotonic loading generally compared in linear elastic region. this paper, three-dimensional (3-D) finite element mo...
in the current engineering practices, buildings are commonly designed for an effective lifetime of 50 years. this lifetime can increase the cost of buildings with short lifetimes and can reduce the safety level of buildings with large lifetimes. in this paper, a “service-life factor” has been defined. applying this factor into the nominal values of live, earthquake, wind, and snow loads, the ef...
A quench boiler is the key equipment in ethylene production for rapid cooling of high-temperature cracking gas. In boiler, heat transfer occurs between hot gas passing through inner exchange tubes with an average temperature 385 °C and cold water (or water) 350 °C. Required double-pipe transfer, special tubesheets formed by welding flat-round side are difficult to design, as no suitable design ...
This paper is concerned with elastic local buckling of rectangular plates subjected to intermediate and end inplane loads. Since closed form solution for buckling analysis of plates with different end conditions and subjected to intermediate loads is complicated, numerical methods are more useful. Because of restrictions on the two finite strip methods, the longitudinal B3 spline expressions co...
This paper is concerned with elastic local buckling of rectangular plates subjected to intermediate and end inplane loads. Since closed form solution for buckling analysis of plates with different end conditions and subjected to intermediate loads is complicated, numerical methods are more useful. Because of restrictions on the two finite strip methods, the longitudinal B3 spline expressions co...
Abstract In coal mining roadway support design, the working resistance of rock bolt is key factor affecting its maximum load. Effective improvement great significance to support. Based on bolt’s tensile characteristics and surrounding deformation, a mechanical model for calculating was established solved. Taking 17102 (3) face at Panji No. 3 Coal Mine China as research site, with quadrilateral ...
a methodology of ecological risk assessment for the terrestrial ecosystem under chronicradioactive pollution of a biotope near a regional radioactive waste storage has been developed in terms of thecritical environmental loads analyzed. it consists of five stages: determination of effect indicators and assessmentof their values; establishment of reference species and indices; assessment and ana...
Flow cytometric analysis allows rapid single cell interrogation of surface and intracellular determinants by measuring fluorescence intensity of fluorophore-conjugated reagents. The availability of new platforms, allowing detection of increasing numbers of cell surface markers, has challenged the traditional technique of identifying cell populations by manual gating and resulted in a growing ne...
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