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近年来，我国公路建设发展迅速，国家投资居于全国各行业之首，“十二五”期间仍需修建大量公路。公路建设对国民经济增长起到了巨大的推动作用，但是公路建设所产生的边坡问题相对突出。研究边坡稳定性的目的，在于预测边坡失稳的破坏时间、规模，以及危害程度，事先采取防治措施，减轻地质灾害，使人工边坡的设计达到安全、经济的目的。“,”In recent years, the rapid development of highway construction, state investment industry in the first resident in the country, “during” a lot still needs to build roads. Road construction on economic growth played a significant role in promoting, but the slope of highway construction problems arising from a relatively prominent. The purpose of slope stability study is to predict the slope failure time, scale, and the degree of harm, prior to taking preventive measures to reduce the hazard, so that the design of artificial slope to safety, economy.