Abstract
Some basic concepts or terminology, such as hazard, disaster vulnerability, risk identification, causes induced, deformation or failure mechanism and disaster modes, et al. are explained in this paper. For to serve effectively in disaster reduction, author puts up methods on the risk identification of landslide disasters which consists historic contrast, direct survey, indirect inversion, remote sensing and telemetering, dynamic monitoring and integrated analysis methods. The model Rt=[(f(a)+f(b)+f(c))d(t)+f(e)]f(v) is set up for integrated analysis of landslide disaster risk based on boundary forms(a), compositions and structures(b), initial states(c), induced factors(d), environmental effects(e) around slopes and disaster vulnerability(f) to objects bearing hazard and its changes to follow with time. Integrated risk analysis of two example, landslide-debris flow disaster happened in Jun. 24, 2017 at Xinmo village, Maoxian county, Sichuan province and rockfall-debris flow disaster happened in Aug. 28, 2017 at Pusa community, Nayong county, Guizhou province in China, have been done which includes its initial, induced and critical states by through suggested parameters based on author's personal experience. The results are coincidence comparatively with realistic situation.
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