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Physical modeling of a rock mass under a true triaxial stress state
(2004)
A study was planned in which several (77 nos.) scale free 15 cm size block mass models having three orthogonal continuous smooth saw cut joint sets and varying inclination ‘q’ of joint set-I with
horizontal were tested in ...
Physical modeling of a rock mass under a true triaxial stress state
(2004)
Civil engineering activities at the ground surface can be mainly governed by a confining pressures i.e. minor (s3) and intermediate (s2) principal stresses are negligible or zero. However, at depth the stress state will ...
Short-term, real-time prediction of the extreme ambient carbon monoxide concentrations due to vehicular exhaust emissions using transfer function-noise model
(2001)
The Box-Jenkins transfer function-noise (TFN) models (Box, G.E.P., Jenkins, G.M., Reinsel, G.C.,1994. Time Series Analysis: Forecasting and Control, 3rd ed. Prentice-Hall, Englewood Cliffs, NJ.) have been used to provide ...
Performance of stochastic approaches for forecasting river water quality
(2001)
This study analysed water quality data collected from the river Ganges in India from 1981 to 1990 for forecasting using stochastic models. Initially the box and whisker plots and Kendall's tau test were used to identify ...
Nonlinear coupled dynamic response of offshore Spar platforms under regular sea waves
(2003)
Oil and gas exploration of large reservoirs in deep water has accelerated the need to explore structures suitable for these depths, which operate more economically in deep water. A Spar platform is one such compliant ...
Dynamic behaviour of square and triangular offshore tension leg platforms under regular wave loads
(2002)
Among compliant platforms, the tension leg platform (TLP) is a hybrid structure. With respect to the horizontal degrees of freedom, it is compliant and behaves like to a floating structure, whereas with respect to the ...
Empirical methods to estimate the strength of jointed rock masses
(2005)
The ultimate strength and deformation of jointed rock mass are important parameters that designers look for in selecting sites for foundations of civil and mining engineering structures in rocks. In the field, it is extremely ...
Behaviour of equipment mounted over a torsionally coupled structure with sliding support
(2000)
Behaviour of a light equipment system mounted over a torsionally coupled and sliding primary system, is studied under bidirectional ground excitation. A fictitious spring model is considered in the analysis to deal with ...
Anisotropic strength and deformational behavior of Himalayan schists
(2002)
Anisotropy, which is characteristic of metamorphic rocks such as schists, is due to a process of metamorphic differentiation. Preferred orientation of minerals like mica and chlorite in response to tectonic stresses makes ...
Control of suspension bridge flutter instability using pole-placement technique
(2005)
The closed-loop state feedback control scheme by pole-placement technique, which is widely used in control literature, is applied to control the flutter instability of suspension bridges. When the mean wind speed U at the ...