Study on leakage dissolution around the dam foundation of the Qingju Hydropower Station and its engineering influence on the dam

Verfasser / Beitragende:
[Zhengjun Zhou, Jiankang Chen, YanLing Li, Peng He, Hai Zhang, Hong Dai, Zhenyu Wu]
Ort, Verlag, Jahr:
2015
Enthalten in:
Bulletin of Engineering Geology and the Environment, 74/4(2015-11-01), 1463-1473
Format:
Artikel (online)
ID: 605454329
LEADER caa a22 4500
001 605454329
003 CHVBK
005 20210128100206.0
007 cr unu---uuuuu
008 210128e20151101xx s 000 0 eng
024 7 0 |a 10.1007/s10064-014-0704-7  |2 doi 
035 |a (NATIONALLICENCE)springer-10.1007/s10064-014-0704-7 
245 0 0 |a Study on leakage dissolution around the dam foundation of the Qingju Hydropower Station and its engineering influence on the dam  |h [Elektronische Daten]  |c [Zhengjun Zhou, Jiankang Chen, YanLing Li, Peng He, Hai Zhang, Hong Dai, Zhenyu Wu] 
520 3 |a Leakage dissolution is one of the potential threats to the long-term operating safety of a dam. The aim of this paper is to analyze the characteristics of leakage dissolution around the dam foundation of Qingju Hydropower Station and evaluate its engineering influence based on laboratory testing and in situ monitoring. Comparative analysis of water samples in 20 representative positions shows that the bedrock of the dam foundation has been enduring obvious dissolution under the effects of the groundwater. In situ monitoring data of displacement and leakage during the period from 2005 to 2013 indicates that there has been no excessive deformation, obvious uneven settlement, or concentration leakage in these nineyears, and; therefore, the leakage dissolution of the dam foundation has not resulted in critical danger to the safety of dam so far. However, with an annual amount of gypsum dissolution discharged by the drainpipes of about $$ 1.82 \times 10^{5}\,{\rm kg} $$ 1.82 × 10 5 kg , long-term leakage dissolution may be hazardous, besides the higher content of SO4 2− than normal in the groundwater of the dam foundation caused by leakage dissolution may invoke some crystal corrosion and decrease the durability of the concrete structures. To guarantee the long-term safety of the dam, implementing grouting is proposed to prevent dissolution or slow down the dissolution rate on the basis of real-time monitoring and feedback. 
540 |a Springer-Verlag Berlin Heidelberg, 2014 
690 7 |a Qingju Hydropower Station  |2 nationallicence 
690 7 |a Dam foundation  |2 nationallicence 
690 7 |a Leakage dissolution  |2 nationallicence 
690 7 |a Water composition analysis  |2 nationallicence 
690 7 |a In situ monitoring  |2 nationallicence 
700 1 |a Zhou  |D Zhengjun  |u State Key Laboratory of Hydraulic and Mountain River Engineering, School of Water Resources and Hydropower, Sichuan University, Chengdu, China  |4 aut 
700 1 |a Chen  |D Jiankang  |u State Key Laboratory of Hydraulic and Mountain River Engineering, School of Water Resources and Hydropower, Sichuan University, Chengdu, China  |4 aut 
700 1 |a Li  |D YanLing  |u State Key Laboratory of Hydraulic and Mountain River Engineering, School of Water Resources and Hydropower, Sichuan University, Chengdu, China  |4 aut 
700 1 |a He  |D Peng  |u State Key Laboratory of Hydraulic and Mountain River Engineering, School of Water Resources and Hydropower, Sichuan University, Chengdu, China  |4 aut 
700 1 |a Zhang  |D Hai  |u Huaneng Jialingjiang Hydropower Co., Ltd., Sichuan, China  |4 aut 
700 1 |a Dai  |D Hong  |u College of Light Industry, Textile and Food Engineering, Sichuan University, Chengdu, China  |4 aut 
700 1 |a Wu  |D Zhenyu  |u State Key Laboratory of Hydraulic and Mountain River Engineering, School of Water Resources and Hydropower, Sichuan University, Chengdu, China  |4 aut 
773 0 |t Bulletin of Engineering Geology and the Environment  |d Springer Berlin Heidelberg  |g 74/4(2015-11-01), 1463-1473  |x 1435-9529  |q 74:4<1463  |1 2015  |2 74  |o 10064 
856 4 0 |u https://doi.org/10.1007/s10064-014-0704-7  |q text/html  |z Onlinezugriff via DOI 
898 |a BK010053  |b XK010053  |c XK010000 
900 7 |a Metadata rights reserved  |b Springer special CC-BY-NC licence  |2 nationallicence 
908 |D 1  |a research-article  |2 jats 
949 |B NATIONALLICENCE  |F NATIONALLICENCE  |b NL-springer 
950 |B NATIONALLICENCE  |P 856  |E 40  |u https://doi.org/10.1007/s10064-014-0704-7  |q text/html  |z Onlinezugriff via DOI 
950 |B NATIONALLICENCE  |P 700  |E 1-  |a Zhou  |D Zhengjun  |u State Key Laboratory of Hydraulic and Mountain River Engineering, School of Water Resources and Hydropower, Sichuan University, Chengdu, China  |4 aut 
950 |B NATIONALLICENCE  |P 700  |E 1-  |a Chen  |D Jiankang  |u State Key Laboratory of Hydraulic and Mountain River Engineering, School of Water Resources and Hydropower, Sichuan University, Chengdu, China  |4 aut 
950 |B NATIONALLICENCE  |P 700  |E 1-  |a Li  |D YanLing  |u State Key Laboratory of Hydraulic and Mountain River Engineering, School of Water Resources and Hydropower, Sichuan University, Chengdu, China  |4 aut 
950 |B NATIONALLICENCE  |P 700  |E 1-  |a He  |D Peng  |u State Key Laboratory of Hydraulic and Mountain River Engineering, School of Water Resources and Hydropower, Sichuan University, Chengdu, China  |4 aut 
950 |B NATIONALLICENCE  |P 700  |E 1-  |a Zhang  |D Hai  |u Huaneng Jialingjiang Hydropower Co., Ltd., Sichuan, China  |4 aut 
950 |B NATIONALLICENCE  |P 700  |E 1-  |a Dai  |D Hong  |u College of Light Industry, Textile and Food Engineering, Sichuan University, Chengdu, China  |4 aut 
950 |B NATIONALLICENCE  |P 700  |E 1-  |a Wu  |D Zhenyu  |u State Key Laboratory of Hydraulic and Mountain River Engineering, School of Water Resources and Hydropower, Sichuan University, Chengdu, China  |4 aut 
950 |B NATIONALLICENCE  |P 773  |E 0-  |t Bulletin of Engineering Geology and the Environment  |d Springer Berlin Heidelberg  |g 74/4(2015-11-01), 1463-1473  |x 1435-9529  |q 74:4<1463  |1 2015  |2 74  |o 10064