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Số người truy cập: 74,097,271

 Experimental and numerical assessments of seepage effect on embankment behaviours by the time.
Tác giả hoặc Nhóm tác giả: Thanh Quang Nguyen, Truong Linh Chau, The Hung Nguyen
Nơi đăng: Lecture Notes in Civil Engineering (Scopus). ISSN: 2366-2557 E-ISSN: 2366-2565; Số: 3;Từ->đến trang: pp.709-714;Năm: 2019
Lĩnh vực: Chưa xác định; Loại: Bài báo khoa học; Thể loại: Quốc tế
TÓM TẮT
The incidents of dam failure occur due to some different reasons, inwhich the reason for seepage accounts for 35%. The seepage leading to the damincidents can be divided into piping, internal erosion, solution of soluble rock,excessive internal pressures and/or saturation and excessive uplift, heave, orblowout. Currently, empirical method is commonly used to study the influenceof seepage on the dam incidents. This paper presents a research work on the developmentof the experimental equipment and procedure for evaluating seepageeffects on several physical properties of embankment, which include cohesion,friction angle, density and permeability coefficient. The testing results provideimportant material inputs to the finite element model used for the stability analysisof the main dam of Ta Trach reservoir (Thua Thien Hue Province, Vietnam)caused by the seepage phenomenon.Keywords: Dam failure, Earth dam, Seepage, Physical properties of embankment.
ABSTRACT
The incidents of dam failure occur due to some different reasons, inwhich the reason for seepage accounts for 35%. The seepage leading to the damincidents can be divided into piping, internal erosion, solution of soluble rock,excessive internal pressures and/or saturation and excessive uplift, heave, orblowout. Currently, empirical method is commonly used to study the influenceof seepage on the dam incidents. This paper presents a research work on the developmentof the experimental equipment and procedure for evaluating seepageeffects on several physical properties of embankment, which include cohesion,friction angle, density and permeability coefficient. The testing results provideimportant material inputs to the finite element model used for the stability analysisof the main dam of Ta Trach reservoir (Thua Thien Hue Province, Vietnam)caused by the seepage phenomenon.Keywords: Dam failure, Earth dam, Seepage, Physical properties of embankment.
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