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An analytical method is put forward to study the shrinkage and creep effects of concrete on widened T-beam bridge, important formulas are deduced to analyze the stress and deflection of the old and new T-beams, which are connected together to construct the widened bridge. Take a 20 m span widened bridge as an example, the height of the new Tbeams are analyzed specifically to disclose the law of the...
Hypothalamic proopiomelanocortin (POMC) neurons, one of the major regulators of the hypothalamic‐pituitary‐adrenal (HPA) axis, immune functions, and energy homeostasis, are vulnerable to the adverse effects of fetal alcohol exposure (FAE). These effects are manifested in POMC neurons by a decrease in Pomc gene expression, a decrement in the levels of its derived peptide β‐endorphin and a dysregulation...
Fatigue problems are increasing remarkably of riveted steel bridges operated for years. Fatigue assessment costs time and money using measured fatigue stress spectra. Computer simulating of fatigue stress spectra of riveted steel bridges can overcome the disadvantages. Simulating random traffic flow closes to practice according to the statistical results of vehicle load. The stress time history can...
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