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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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PREDICTING AND CONTROLLING GROUND MOVEMENTS AROUND DEEP EXCAVATIONS (2010)
<p>Deep excavations frequently cause problems, and sometimes trigger catastrophic collapses, especially in soft clay. In principle, these problems are well understood, but designers may fall between the two stools of naive empiricism and overelaborate finite ...
Reference: Keynote lecture presented at Geotechnical Challenges in Urban Regeneration, the 11th International Conference of the DFI-EFFC, London, 26-28 May 2010
RECENT ADVANCES OF ENGINEERING SURVEY OPERATIONS FOR TUNNEL CONSTRUCTION IN HONG KONG (2010)
<p>This paper reports recent advances of engineering survey operations, that is, operations of geodetic control and deformation monitoring surveys, detail mapping and geometric modelling, and setting-out and as-built surveys, for the design and construction ...
Reference: FIG Congress 2010, Facing the Challenges – Building the Capacity, Sydney, Australia, 11-16 April 2010
SOME ENGINEERING PROPERTIES OF LIMESTONE: TUNNEL STRAZˇINA CASE STUDY (CROATIA) (2010)
<p>The paper presents geological and engineering geological characteristics of the Strazˇina Tunnel along the Bisko-&Scaron;estanovac section of the Zagreb-Split-Dubrovnik highway in Croatia. This paper compares the actual conditions of the rock mass during ...
Reference: Tunnelling and Underground Space Technology, (2010)
SWELLING OF SULPHATIC CLAYSTONES – SOME FUNDAMENTAL QUESTIONS AND THEIR PRACTICAL RELEVANCE (2010)
Sulphatic claystones exhibit a heavily swelling behavior and are among the most problematic rocks for tunnelling. Their swelling is usually attributed to the transformation of anhydrite to gypsum. The paper questions this simplistic hypothesis through a qualitative ...
Reference: 59th Geomechanics Colloquy 2010 Session on “Tunnel construction in swelling ground”
TUNNELLING IN OVERSTRESSED ROCK (2010)
Overstressing of the rock surrounding a tunnel can result in either brittle fracture of the intact rock or shear failure along pre-existing discontinuities such as joints or shear zones. These two types of failure can co-exist and the extent to which the failures ...
Reference: Rock Engineering in Difficult Ground Conditions – Soft Rocks and Karst – Vrkljan (ed) © 2010 Taylor & Francis Group, London
3D DEFORMATION MONITORING OF SUBWAY TUNNEL (2009)
<p>As a kind of modern vehicle, subway has shown us the advantages of safety, speediness, low power consumption, low pollution etc. It has been the main part of the urban high-capacity public traffic system. More and more subway lines appear in order to meet ...
Reference: Geotechnical Aspects of Underground Construction in Soft Ground – Ng, Huang & Liu (eds), © 2009 Taylor & Francis Group, London
3D MODELING OF A NATM TUNNEL IN HIGH K0 CLAY USING TWO DIFFERENT CONSTITUTIVE MODELS (2009)
The paper studies the accuracy of 3D finite element predictions of a displacement field induced by NATM tunnelling in stiff clays with high K0 conditions. The studies are applied to the Heathrow express trial tunnel. Two different constitutive models are used ...
Reference: February 4, 2009 Revised version of the paper submitted to ASCE JGGE
ACTIVITIES OF THE ITA WORKING GROUP ON SPRAYED CONCRETE USE (2009)
<p>This paper describes the activities of the International Tunnelling and Underground Space Association (ITA) Working Group 12 on Sprayed Concrete Use. The Working Group has carried out tasks with the purpose of promoting information exchange between National ...
Reference: Shotcrete for Underground Support XI
AN INNOVATIVE METHOD FOR ASSESSING TUNNELLING-INDUCED RISKS TO ADJACENT STRUCTURES (2009)
<p>This monograph is intended to be used as a &ldquo;PB Guideline&rdquo; for assessing tunnelling-induced risks to adjacent structures in urban environments. It is expected that it will also promote awareness of such risks among PB engineers<br />who are involved ...
Reference: PB 2009 William Barclay Parsons Fellowship Monograph 25
APPLICATION OF PILE UNDERPINNING TECHNOLOGY ON SHIELD MACHINE CROSSING THROUGH PILE FOUNDATIONS OF ROAD BRIDGE (2009)
<p>Shanghai&rsquo;s subway construction has entered a new period of rapid development. A notable characteristic of subway network construction is that the construction environment is increasingly complex. Take Shanghai subway line 10 as an example, in the ...
Reference: Geotechnical Aspects of Underground Construction in Soft Ground – Ng, Huang & Liu (eds), 2009 Taylor & Francis Group, London