1. Aberg B (1993) Washout of grains from filtered sand and gravel materials. J Geotech Eng. https://doi.org/10.1061/(ASCE)0733-9410(1993)119:1(36)
2. America (2020) Analysis and Thinking of the dam failure in Michigan, USA. Baidu Web. https://baijiahao.baidu.com/s?id=1667904333955604039&wfr=spider&for=pc. Accessed 28 May 2020
3. Brazil (2019) Four people were dead and nearly 200 were missing after a dam failure in Brazil. Baidu Web. https://baijiahao.baidu.com/s?id=1623674201519620625&wfr=spider&for=pc. Accessed 26 Jan 2019
4. Burenkova VV (1993) Assessment of suffusion in non-cohesive and graded soils. In: Brauns J, Heibaum M (eds) U S Filters in Geotechnical and Hydraulic Engineering. Balkema, Rotterdam, The Netherlands
5. Chang DS, Zhang LM (2011) Internal stability criteria for soils. Rock Soil Mech 32(S1):253–259 (in Chinese)