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一、随机变量的搜集与统计分析 一般来说影响坝安全的因素都是随机变量。这些因素有尺寸、荷载、温变、地基沉陷,材料性质。重力坝承受的嗬载有自重、水压力、扬压力、淤沙压力。浪压力和地震力等。考虑到目前缺少某些资料,因此,本文只把坝上、下游水位,扬压力、容重、摩擦系数、凝聚力以及材料的抗压和抗拉强度作随机变量,其余的量,如果考虑的话,也作单值量处理。
First, the collection and statistical analysis of random variables In general, the factors that affect the safety of the dam are random variables. These factors are the size, load, temperature changes, foundation settlement, material properties. Gravity dam to withstand the load with self-respect, water pressure, Yang pressure, silt pressure. Wave pressure and seismic force. Taking into account the lack of some information, therefore, this article only the dam level, downstream water level, uplift pressure, bulk density, coefficient of friction, cohesion and the compressive and tensile strength of the material as a random variable, the remaining amount, if considered, For single value processing.