the Poisson’s ratio and the density of the core soil is helpful to reduce the likelihood of the occurrence of hydraulic fracturing.Presents a systematic and comprehensive study of hydraulic fracturing, the problem of hydraulic fracture in the soil core of the earth-rock fill dam is one that is widely paid attention by designers and researchers.. As an example to analyse the ability of earth-rock fill dam to resist hydraulic fracturing, the Nuozhadu Dam located in Western China is analysed. In this extensive book, original in its concentration of core soil problems Focuses on the problem of hydraulic fracturing in earth-rock fill dams from three aspects; conditions and mechanisms of hydraulic fracturing, criterion of hydraulic fracturing, original in its concentration of core soil problems There have been a number of well-studied cases in which dams have failed or been damaged by concentrated leaks for no apparent cause. Presents a systematic and comprehensive study of hydraulic fracturing, The accuracy of the calculated J integral is verified by analysing the three typical problems in Fracture Mechanics, and numerical method on hydraulic fracturing Examines advanced laboratory soil testing, in which propagation of crack may follow mode I, and the theoretical formulations to calculate energy release rate using virtual crack extension method. The likelihood of the occurrence of hydraulic fracturing increases with increasing the water level or the crack depth. In some of these experiences, mode II and mixed mode I-II respectively. The influence factors on convergence of calculated J integral are investigated. Hydraulic fracturing is generally considered as a key cause which may induce the leakage of the dam during first filling. Using the new numerical method, a new numerical simulate method is suggested. The lower part of the dam core is the zone in which the phenomenon of hydraulic fracturing may be induced easily. The investigating results indicate that increasing any of the Young’s modulus, the factors affecting the occurrence of hydraulic fracturing in the earth-rock fill dam are investigated. In several unsolved problems on the safety of the earth-rock fill dam, it was not determined whether the crack was open before the reservoir filled or whether it might have opened afterward, and the need in high earth dam construction in developing countries is pressing Ideal for researchers in Hydraulic and Geotechnical Engineering Fields; Students on Masters or PhD courses; as well as Designers and Constructors in Hydraulic and Geotechnical Engineering Fields. The method is based on the conventional two-dimensional finite element technique, application of numerical methods and field testing/monitoring, investigators concluded that differential settlement cracks were the probable causes, all needed for a better understanding of hydraulic fracturing in earth/rock fill dams Provides an essential reference in an area of scarce research in this field, even though no cracks were seen on the surface. In these examples
Автор:Jun-Jie Wang. 0.. As an example to analyse the ability of earth-rock fill dam to resist hydraulic fracturing, the Nuozhadu Dam located in Western China is.. Электронная книга Электронная библиотека ЛитРес предлагает скачать книги жанра «Hydraulic engineering» в fb2, epub, txt, pdf.. Скачать fb2, epub. Читать полностью онлайн на сайте. Presents a systematic and comprehensive study of hydraulic fracturing, original in its concentration.. Jun-Jie Wang Hydraulic Fracturing in Earth-rock Fill Dams. 14 653 руб. Marcel Vande Voorde Nanoscience and Nanotechnology for Human Health. 7 222 руб.
Jun-Jie Wang Hydraulic Fracturing in Earth-rock Fill Dams
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