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A platform for research: civil engineering, architecture and urbanism
Stability evaluation of hill cut slopes along national highway-13 near Hospet, Karnataka, India
The road networks are backbone of a nation for the economic growth and safe communication. A shortest road design shall always be encouraged, but in hilly terrain, railway crossings and road crossings are constraints for the highway designers. The same problem was faced while planning a new design of National Highway-13 near the Hospet city in Karnataka, India. To resolve that problem, a twin tunnel was proposed to overcome steep gradient, sharp curve and a railway crossing. The field investigation was carried out to measure the joint parameters, lithology and ground water condition to establish the tunnel and tunnel portal stability along with hill cuttings. In the present study, the basic rock mass rating (RMRBasic) and continuous slope mass rating (CSMR) of the slope outside tunnel portal were computed based on the field investigation for different rocks of Sandur schist belt viz. metabasics, phyllite/chlorite schist and banded iron formation. The support measures were proposed based on the computed CSMR.
Stability evaluation of hill cut slopes along national highway-13 near Hospet, Karnataka, India
The road networks are backbone of a nation for the economic growth and safe communication. A shortest road design shall always be encouraged, but in hilly terrain, railway crossings and road crossings are constraints for the highway designers. The same problem was faced while planning a new design of National Highway-13 near the Hospet city in Karnataka, India. To resolve that problem, a twin tunnel was proposed to overcome steep gradient, sharp curve and a railway crossing. The field investigation was carried out to measure the joint parameters, lithology and ground water condition to establish the tunnel and tunnel portal stability along with hill cuttings. In the present study, the basic rock mass rating (RMRBasic) and continuous slope mass rating (CSMR) of the slope outside tunnel portal were computed based on the field investigation for different rocks of Sandur schist belt viz. metabasics, phyllite/chlorite schist and banded iron formation. The support measures were proposed based on the computed CSMR.
Stability evaluation of hill cut slopes along national highway-13 near Hospet, Karnataka, India
Umrao, Ravi Kumar (author) / Singh, Rajesh (author) / Singh, T. N. (author)
2015-07-03
13 pages
Article (Journal)
Electronic Resource
English
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