第2天: 2012年2月29日, 星期三

Stream A: Application of Ideal Geotechnical Investigation Techniques to Ensure Efficient Tunnel Design

Stream B: Efficient EPC Contracting, Contract and Risk Management in Tunnel Construction

08.50 Opening remarks from the chair:

08.50 Opening remarks from the chair:

09.00 How to extend the service life of tunnel structures by optimising geotechnical investigation, engineering, construction and materials

• Analysing LRFD in various tunnel design procedures
• Mapping current trends of design codes and their outcome/cost implications
• Assessing the role of new construction materials – cement, steel and construction chemicals
• Relevance of construction techniques to the tunnel service life

09.00 How to ensure optimal project and risk management in long water tunnel construction: case study – Pahang-Selangor Raw Water Transfer Tunnel, Malaysia

• Classification of risks and hazards in tunnel contracting/construction
• Risk assessment methods
• Addressing hurdles for project management in constructing long tunnels
• Methods of minimising and managing risks amongst contractual partners
• Combining ideal project and risk management policies and their implications on cost and project delivery

Er. Arshad Bin Abdul Rashid
Project Director – PSRWT Tunnel
MINISTRY OF ENERGY, GREEN TECHNOLOGY & WATER, MALAYSIA

09.40 Overcoming design challenges for water and wastewater tunnels in soft ground conditions

• Analysing the function and design of sewer tunnel lining
• Reinforcing single and multiple layers of linings: How can this be achieved?
• Designing for various utilisation criteria: Fire, chemicals, corrosion etc.
• Segment lining construction and installation techniques: What are the challenges?

Dr Benjamin Sun
Director – Geotechnics
URS SCOTT WILSON

09.40 CASE STUDY: Developing Tunnel Solutions for Dedicated Urban Busways – Brisbane, Australia

• What are the issues facing tunnel designers in Asia
• Developing specific driven and cut/cover solutions for short busway tunnels
• Solutions for 10 busway tunnels ranging in length up to 630 metres
• Innovative approaches to successful project construction and fire engineering

Duncan Kinder
Project Delivery Manager - Buildings & Infrastructure
SINCLAIR KNIGHT MERZ

10.50 Efficient geotechnical design of large scale underground infrastructure: case studies – MTR Projects – West Island Line, XRL and Sha Tin - Central Line, Hong Kong

• Preparing GBR for large underground infrastructure
• Pinpointing trends in bottom-up and top-down tunnel construction
• Constructing cut and cover tunnels close to existing property lines
• Understanding soil-structure interaction in tunnel design
• Strategies for very soft soils and cost effective design and procurement for cut and cover tunnels

Tom Henderson
Founding Director
GEOTECHNICAL CONSULTING GROUP (ASIA)

10.50 Overview of most practical injection resins in tunnelling

• PU Resins
• Silicate resins
• Phenolic resins
• Polyester resins (resin cartridges for bolting)
• According injection methods and accessories
• Most popular applications with examples in mining and tunnelling

Peter Simon
Chief Engineer - International Applications
MINOVA INTERNATIONAL

11.20 Modern products and technologies used for common geotechnical ground support works

• Impact of anchoring of structures, soil nailing and increasing load bearing capacity of foundation using micropiling
• Composite anchors from GRP - anchoring in urban areas with limited area conquest, permanent anchoring in aggressive environment of “brown-fields” and temporary anchoring with requirement of easy removal of anchors afterwards
• Permanent composite soil nails in improving expected service life
• Use of self-drilling micropiling in urban tunnelling under existing structures

Adam Janicek, MSc.
Global Product Marketing Manager
MINOVA INTERNATIONAL

11.20 Anticipating and handling risks in EPC contracting for long tunnels Implementing sound geotechnical investigation and interpretation procedures

• Anticipating technical and commercial risks in developing contractors and coordinating with them
• Use of geotechnical baseline reports for effective construction
• Methods of covering risks – evolving insurance procedures

Alexander Mackay
Technical Director – Tunnels
SMEC

11.40 Preventing the corrosion of reinforced concrete in civil infrastructure

• 11 reasons for reinforced concrete corrosion
• Cost implications of concrete corrosion on civil infrastructure
• How to identify corrosive areas and how to arrest

Michael Aldred
Managing Director
CEMENTAID

11.50 Strategies in design, construction and monitoring of fire and life safety in long tunnels

• Addressing low tunnel ventilation efficiency in long tunnels
• Issues in designing tunnels for long evacuation time
• Incorporating smoke control and evacuation strategies in rail tunnels
• Using modern fire engineering and simulation tools

13.10 Updates on design of the earth retaining structures for cut and cover tunnel excavations

• Design of the temporary earth retaining system in cut and cover tunnels
• Behavior of the temporary earth retaining system during excavation
• Ground improvement of the soft clay in deep layers
• Technical and economic advantages of DSM (Deep Soil Mixing)

Leslie Swann
Director – Geotechnical
JACOBS ASSOCIATES

13.10 CASE STUDY: Long hydro tunnels in Himalayan Mountains: identification of geological risks and their management during construction

• Best practices in long hydro tunnel design and construction
• Handling difficult geotechnical conditions at the tunnelling site
• Hydraulic loading on tunnels – static and transient
• Risk alleviation and contract management in hydro tunnel construction

Dr Gopal Dhawan
Executive Director – Geotechnical
NATIONAL HYDRO POWER CORPORATION OF INDIA

13.50 Gaining insights into best practices in addressing combination of ground conditions in mountain tunnelling

• What types of demanding ground conditions to anticipate in mountain tunnelling
• Rock fall and rock burst – How to be prepared for the worst?
• Efficiency of geotechnical investigation in handling high rock pressure
• Handling critical issues such as high rock and water temperatures

Dr Manoj Verman
Director – Tunnelling & Geotechnical
HALCROW

13.50 CASE STUDY: Himalayan rail tunnels, India: challenges in constructing the world’s highest mountain rail tunnel

• Revealing tunnel route alignment issues
• Tunnelling under difficult Himalayan geology – squeezing and heavy water ingress
• TBM selection criteria and outcomes
• Construction and project risk management

Rajesh Agarwal
General Manager – Projects
KONKAN RAILWAY CORPORATION

15.00 Incorporating the SONIC Drilling System into geotechnical investigation and ground improvement efforts

Steve Bratton
Global Business Director E&I Drilling Services
BOART LONGYEAR

15.00 Constructing underground stations and TBM launch sites close to existing property lines: Nam Cheong Station, XRL Project

• Standard construction procedures employed for station/TBM launch sites
• Methods of pile removal
• Using rotator & wedge method for effective pile removal
• Minimising vibrations and disturbances in station excavation

Bill Clowes
Project Manager – Construction - XRL
MTR CORPORATION

15.30 Box jacked tunneling technique for creation of subways across busy railway lines

• Developing innovative solutions for site specific issues
• Promoting sustainable construction techniques
• Application of the technique for creating underground infrastructure
• Reviewing the investment opportunities in Indian Railways

Saibaba Ankala
Chief Engineer
INDIAN RAILWAYS

15.30 CASE STUDY: Tsuen Wan Drainage Tunnel, Hong Kong: Constructing long water/wastewater tunnels: how to choose ideal construction method and materials

• Selection criteria for long water tunnel construction method
• Improving multiple stakeholder coordination in tunnel construction
• Establishing the importance of scheduling, project and risk management in tunnel construction
• What are the issues generally encountered in the region and how are they addressed?

Doitsu Matsuki
General Manager - Projects
MAEDA CORPORATION

16.00 End of conference

16.00 End of conference