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Publications in

Tunnel Engineering
The design and construction of tunnels i.e. tunnel engineering is among the most specialized fields in geotechnical engineering and myriad issues must be addressed before a tunnel can become operational.Tunnels are important underground structures that accommodate movement of people, vehicles, water, materials etc.  In this section tunnel engineering aspects such as: tunnel design, tunnel construction, microtunneling, tunnel monitoring, tunnel rehabilitation and risk assessment are included together with other important publications related to tunnel engineering.
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APPLICATION OF RISK ANALYSIS AND ASSESSMENT IN TUNNEL DESIGN (2009)
<p>A new risk analysis system for estimating the risk factors in tunneling is suggested in consideration of the complex effect in tunnel construction.</p>
Reference: International Journal of the JCRM vol.5 (2009) pp.11-18
APPROACHES TO IMPROVE SAFETY AND RECOVER LOST PRODUCTIVITIES IN VERTICAL SHAFT SINKING BY MAKING USE OF INDUSTRIAL ENGINEERING AND RISK DRIVEN 3-D MODELLING TECHNIQUES (2009)
Over several decades in Southern Africa the advance rates when sinking vertical shafts have declined significantly. The upside has been a substantial improvement in shaft bottom conditions and a commensurately improved safety performance, with an increasing ...
Filed under: Tunnel Engineering -  Shafts
Reference: The Southern African Institute of Mining and Metallurgy Shaft Sinking and Mining Contractors Conference 2009
BACKFILL GROUTING RESEARCH AT GROENE HART TUNNEL (2009)
<p>Measurements on back-fill grouting at Groene Hart Tunnel (GHT) are described and analysed. The research utilises TBM data, monitored grout pressures and measured rheological properties of tunnelling fluids. Grout injection strategy and vertical grout pressure ...
Reference: Geotechnical Aspects of Underground Construction in Soft Ground – Ng, Huang & Liu (eds), © 2009 Taylor & Francis Group, London
CALCULATION AND DESIGN OF TUNNEL VENTILATION SYSTEMS USING A TWO-SCALE MODELLING APPROACH (2009)
<p>This paper develops a novel modelling approach for ventilation flow in tunnels at ambient conditions (i.e. cold flow). The complexity of full CFD models of flow in tunnels or the inaccuracies of simplistic assumptions are avoided by efficiently combining ...
Reference: Building and Environment 44: 2357-2367
CASE HISTORIES USING SYNTHETIC FIBER REINFORCED CONCRETE (2009)
<p>Synthetic fiber reinforced concrete has been used in shotcrete for many years. This paper discusses select project case histories from around the world. The discussion focuses on why fibers are used and explains how there are many benefits, advantages, ...
Reference: Shotcrete for Underground Support XI
CASE HISTORY ON A RAILWAY TUNNEL IN SOFT ROCK (MOROCCO) (2009)
<p>Ras R&rsquo;Mel Moroccan tunnel is a 2.6 km long and 60m<sup>2</sup> section single track railway tunnel. It was excavated in a complex geological context of highly heterogeneous and highly deformable soft rock. The purpose of this paper is first to describe ...
Reference: Geotechnical Aspects of Underground Construction in Soft Ground – Ng, Huang & Liu (eds), © 2009 Taylor & Francis Group, London
CHALLENGING URBAN TUNNELLING PROJECTS IN SOFT SOIL CONDITIONS (2009)
<p>Different challenging tunnel projects in the downtown area of the city of Mainz in Germany are presented. These tunnels run parallel in a distance of 4 m to max. 50 m. The tunnels were built in soft soil conditions consisting of filling, clay and marl layers ...
Reference: Geotechnical Aspects of Underground Construction in Soft Ground – Ng, Huang & Liu (eds), 2009 Taylor & Francis Group, London
CHARACTERISTICS OF TUNNELING-INDUCED GROUND SETTLEMENT IN GROUNDWATER DRAWDOWN ENVIRONMENT (2009)
<p>This paper presents the results of an investigation on the characteristics of tunnelling-induced ground settlement in groundwater drawdown environment. The dynamics of the effect of groundwater drawdown on the ground settlements are first investigated using ...
Reference: Geotechnical Aspects of Underground Construction in Soft Ground – Ng, Huang & Liu (eds), © 2009 Taylor & Francis Group, London
CONSTRUCTION OF A URBAN TUNNEL IN LOOSE AND INHOMOGENEOUS TERRAIN UNDER WATER TABLE (2009)
An essential characteristic of this stretch is that it has been built under the water table by excavating in very heterogeneous soils, composed of granular soils and rocks of considerable resistance which has created numerous problems during the construction ...
Reference: ITA Congress, Budapest, 2009
CONSTRUCTION PLACEMENT, HARDENED PROPERTIES AND DURABILITY OF SHOTCRETE WITH HIGHLY FUNCTIONAL FLY ASH (2009)
<p>Shikoku Electric Power Co., Inc. which is one of the famous Japanese electric power companies has developed the technology to manufacture the highly functional fly ash (HFA) which is a brand name &ldquo;Finash&rdquo; produced by sorting and classifying ...
Reference: Shotcrete for Underground Support XI