scholarly journals Prediction of the Long-Term Performance Based on the Seepage-Stress-Damage Coupling Theory: A Case in South-to-North Water Diversion Project in China

2021 ◽  
Vol 11 (23) ◽  
pp. 11413
Author(s):  
Xinyong Xu ◽  
Wenjie Xu ◽  
Chenlong Xie ◽  
Mohd Yawar Ali Khan

The South-to-North Water Diversion Project has been in operation since 2014, directly benefiting more than 79 million people in China. Thus, its service life and long-term performance have gained much attention from scholars. To predict its life and performance, this study used the seepage/stress-damage coupling method. In addition, a seepage/stress-damage coupling theory was proposed and a finite element model of a deep excavated canal in the Xichuan Section of the South-to-North Water Diversion Project was established. The results showed that this canal subsided greatly in the first two years of operation, which can be confirmed by the monitoring data. It is predicted that, after 50 years of normal operation, the canal damage may start and spread from the water level, and reach 37.6%, but such damage will not affect its normal water delivery function. The purpose of this study is to provide guidance for the safe operation of the project.

2014 ◽  
Vol 919-921 ◽  
pp. 1248-1251
Author(s):  
Xiao Cheng Su ◽  
Zhi Liu ◽  
Xiao Yun Wang

The South-to-North Water Transfer Project is a cross century water diversion project. So it is very important to ensure its normal operation. The hydraulic calculation of Jiping Canal of the South-to-North Water Transfer Project is carried out in this paper, working out cross section, the profile and the X-Y-Z perspective plot of Jiping Canal respectively. An analysis of the canal stability enables us to get the condition in which the canal is stable, which will provide strong technical support for the design and construction of the canal. Therefore, the analysis has important practical significance. The study will be effective guidance on the normal operation of Jiping Canal of South-to-North Water Transfer Project.


2012 ◽  
Vol 573-574 ◽  
pp. 506-510
Author(s):  
Xue Li ◽  
Guo Min Li ◽  
Peng Peng Zhou ◽  
Ming Li

Long-term excessive extraction of groundwater has caused many environmental and geological problems such as depression cone and land subsidence in the city of Cangzhou, China. In order to analyze the variation of groundwater levels in over-exploited area and predict the evolution after decreasing pumping along with the South-to-North Water Diversion project, a 3-D transient groundwater flow model was established. The results show that several depression cones have formed in shallow and deep aquifers in recent years. In addition, the area of the depression cones would decrease and the centre levels of them would ascend by restrict exploitation of deep groundwater after the implementation of the South-to-North Water Diversion project. The work can provide a scientific basis for reasonable water resources allocation with the South-to-North Water Diversion project in Cangzhou city.


2013 ◽  
Vol 12 (11) ◽  
pp. 2239-2247 ◽  
Author(s):  
Guomin Li ◽  
Haizhen Xu ◽  
Ming Li ◽  
Shouquan Zhang ◽  
Yanhui Dong ◽  
...  

2005 ◽  
Vol 32 (1) ◽  
pp. 159-163 ◽  
Author(s):  
Duan Wei

Beijing is located in a semiarid region, and water shortage is a common problem in the city. Along with the rapid increase in water demand, due to fast socioeconomic development and an increase in population, a shortage of water resources and a deterioration of the water environment have become obstacles to sustainable socioeconomic development in Beijing. In the long run, sustainable water resources management, water conservation, and completion of the south to north water diversion project will solve the problem. This paper introduces the water resources situation in Beijing; analyzes future water demand; and discusses the actions of water saving, nontraditional water resources exploitation, wetland construction, and water environment protection. The paper also explains the importance of the south to north water diversion project and the general layout of the water supply strategy, water distribution system, and methods to efficiently use the diverted water in Beijing.Key words: water resources, water supply, water saving, water recycling, water diversion.


2019 ◽  
Vol 11 (11) ◽  
pp. 3087 ◽  
Author(s):  
Baolong Han ◽  
Nan Meng ◽  
Jiatian Zhang ◽  
Wenbo Cai ◽  
Tong Wu ◽  
...  

Water scarcity in densely populated areas is a global concern. In China, ensuring water supply and quality in the middle of the South-to-North Water Diversion Project has become a major challenge due to the complexity and diversity of landscape features and the trunk canal construction in the crossing area of this route. Precise assessments of the pressures on water protection along the route are urgently needed. This article provides a rigorous methodological framework to assess water quality protection, identifying the intensity of human disturbance along the route within 2-km radius buffer areas on both sides of the trunk canal, based on land-use changes from 2005 to 2015. The results show that more than 10,000 ha of pervious surfaces were transformed into impervious surfaces, leading to undesirable outcomes. The results of this study can be used for decisive support in China’s environmental management, such as with main functional zoning policy and ecological red lines policy.


2018 ◽  
Vol 14 (6) ◽  
pp. 155014771877957 ◽  
Author(s):  
Kebin Jia ◽  
Zhihao Wei

Aiming at the complexity of the network transmission environment and the decentralization of the monitoring sites in the middle route of the South to North Water Diversion Project, this article presents a water conservancy monitoring architecture based on the visual sensor networks. First, a network assessment method is proposed to evaluate the sensor networks condition, and the encoder is adjusted with the result of the sensor networks condition evaluation. Then, based on distributed database architecture and visualization system construction, a three-level structure of the water conservancy monitoring system is designed and built. The experiment results show that the water conservancy monitoring system proposed in this article meets the transmission requirement under the complex sensor networks condition of water conservancy project. The water conservancy monitoring system has been applied to the middle route of the South to North Water Diversion Project, which achieves the needs of engineering applications.


2018 ◽  
Vol 75 (1) ◽  
pp. 59-67 ◽  
Author(s):  
Jian-Qing Yang ◽  
Hong-Yi Zhao ◽  
Zhong-Shan Yang ◽  
Zhen-Fang Huang ◽  
Guo-Ying Bai ◽  
...  

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