نتایج جستجو برای: rock engineering systems

تعداد نتایج: 1411668  

2008
Yadin David Anthony C. Easty

Yadin David, EdD, PE, CCE, Matthew Baretich, PE PhD, William A. Hyman, PE, ScD, Wayne Morse, and James O. Wear, MSBME, CCE, FACCE From the Biomedical Engineering Consultants, LLC, Houston, Texas (Dr David); Baretich Engineering, Inc, Fort Collins, Colorado (Dr Baretich); Department of Biomedical Engineering, Texas A&M University, College Station (Dr Hyman); Morse Medical, Linc Facility Services...

Journal: :journal of mining and environment 2015
a. ghasemloonia s. d. butt

underground caverns in rock salt deposits are the most secure disposal method and a type of gas-storing facility. gas storage plays a vital role in ensuring that a strategic relationship is secured between an established energy infrastructure provider and a midstream energy company. the fischells brook area is a pillow-shaped body of salts located in the st. george's bay area of southwest newfo...

2014
Anthony P. Lyons

In terms of target detection and classification, scattering from exposed rock on the seafloor, (i.e., individual rocks and rock outcrops) presents some of the most difficult challenges for modern MCM and ASW sonar systems in shallow water. Work on characterizing, modeling and simulating mean levels and other statistical measures of acoustic scattering from rocks and rock outcrops is therefore c...

2016
Zhi-jie Wen Xiao Wang Qing-hai Li Guan Lin Shao-jie Chen Yu-jing Jiang

Original scientific paper To analyse the influence of joint angle, number and spacing on the strength and acoustic emission (AE) characteristics of rock mass, the uniaxial compression model of rock specimens was established using the micro particle flow PFC2D software platform. The intact rock parameters were determined via trial and error, joints with different angles, numbers and spacing were...

2015
Yang Lijun

Landslides constitute a critical component of hazard in mountainous regions. With the help of related research results of modern artificial intelligence, the nonlinear dynamic model based on support vector machine is proposed. In order to reflect the displacement evolution rule of rock mass and judge its stability, the nonlinear dynamic model is combined with the nonlinear catastrophe theory. L...

Journal: :مهندسی صنایع 0
علی اکبر اسلامی‏بلده مهندسی صنایع- دانشگاه صنعتی امیر کبیر میرمهدی سیداصفهانی دانشکده مهندسی صنایع -دانشگاه صنعتی امیرکبیر محمدعلی فارسی پژوهشکده سامانه‏های فضانوردی-پژوهشگاه فضایی ایران

the redundancy allocation problem can be described as selecting the components and system configuration in order to optimize some objective function(s) without violating the system constraints. operating conditions are not constant in many advanced engineering systems. mostly, in the engineering applications selection, the number of redundancy components must be balanced among the constraints (...

2009
Michelle J. Boese Hong Sheng Mohammed Abdel Salam

Information systems can contribute to the success of students in engineering and science. In this study, 3-D visualizations that create a realistic map of rock structures are used to aid students in developing the spatial intuition to understand geological processes. This technology received positive ratings for learning outcomes and within the technology acceptance model. In addition, qualitat...

Journal: :Jurnal Teslink 2021

The implementation of housing development carried out by the developer is suspected not meeting administrative, technical and environmental requirements. By carrying provisions to carry efforts stabilize slopes apply appropriate drainage systems, minimize loading on allegedly conducting geological studies planning or basic engineering geology as basis for so that impact environment in form Cima...

2017
Arindam Bit Awanish Kumar Abhishek Kumar Singh Albert A Rizvanov Andrey P Kiassov Pradeep Kumar Patra Munish Kumar Akalabya Bissoyi

It is documented that human mesenchymal stem cells (hMSCs) can be differentiated into various types of cells to present a tool for tissue engineering and regenerative medicine. Thus, the preservation of stem cells is a crucial factor for their effective long-term storage that further facilitates their continuous supply and transportation for application in regenerative medicine. Cryopreservatio...

2017
Mingzhang Luo Weijie Li Bo Wang Qingqing Fu Gangbing Song

Rock bolts, as a type of reinforcing element, are widely adopted in underground excavations and civil engineering structures. Given the importance of rock bolts, the research outlined in this paper attempts to develop a portable non-destructive evaluation method for assessing the length of installed rock bolts for inspection purposes. Traditionally, piezoelectric elements or hammer impacts were...

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