Rainfall Erosion Predictions for Artificial High-Filled Embankment with Reinforcement

Author:

Wu Shangwei1ORCID,Wu Dongming2ORCID,Jing Xiaofei1ORCID,Chen Xuanyi1ORCID,Wang Yijun1,Ye Luhua1

Affiliation:

1. School of Safety Engineering, Chongqing University of Science and Technology, Chongqing 401331, China

2. Jinzhu Subsidiary Company of Zhejiang Communications Construction Group Co Ltd, Hangzhou, China

Abstract

In recent years, rainstorm disasters caused by global warming have frequently occurred in China. It has caused serious damage to artificial high embankments. In this paper, the influence of rainfall intensity, slope, and reinforced layers on the erosion and destruction of the artificial high embankment is deeply analyzed. Through the model test, the rainfall erosion prediction model is established. The results show that (1) the gully width, depth, and erosion amount increased with the increase in rainfall intensity and slope and decreased with the increase in reinforcement layers; (2) the final ditch shape of the embankment is influenced by steel bars; and (3) according to the model test data, the mathematical model of dike scouring is established. Rainfall intensity and the coupling between slope and reinforced layers are considered in the model. It can be used for predicting erosion during rainfall.

Funder

National Natural Science Foundation of China

Publisher

Hindawi Limited

Subject

General Engineering,General Materials Science

Reference29 articles.

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2. Duration and intensity of rainfall events with the same erosivity change sediment yield and runoff rates

3. Effects of rainfall intensity and slope gradient on runoff and sediment yield characteristics of bare loess soil

4. Study on the influence of continuous rainfall infiltration on the loess slope stability;P. W. Zhong;Yellow River,2018

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