Inspection · Assessment · Analysis

Tunnelling & Underground Engineering

Tunnel Inspection · Structural Assessment · Engineering Analysis

Integrated technical services and research expertise covering tunnel lining assessment, structural health evaluation, tunnelling-induced ground response, support performance, tunnel stability and underground infrastructure.

Tunnel Engineering Services

Tunnelling services integrate geotechnical and rock engineering assessment with tunnel inspection, structural evaluation, non-destructive testing, numerical analysis and digital technologies to support existing and proposed underground infrastructure.

Updated: September 2026

Flagship Innovation

National Industrial Research

Tunnel Lining Inspection System (TuLIS)

Integrated Intelligent Tunnel Lining Inspection System Based on Imageries and IoT

Development of an integrated intelligent system for tunnel lining inspection, supporting the advancement of digital tunnel condition assessment and infrastructure asset management.

Project Value
RM499,275
Project Period
2023 – 2025
Intellectual Property
Patent Filing

Areas of Technical Service

01

Tunnel Integrity Inspection

Engineering inspection and assessment of existing tunnel infrastructure to evaluate tunnel condition, lining integrity and areas requiring further investigation.

02

Tunnel Lining Assessment

Structural-health and engineering assessment of tunnel linings, including evaluation of tunnel lining behaviour, impairment and stability.

03

Non-Destructive Testing

Application and evaluation of non-destructive testing approaches for detecting structural impairment in tunnel lining systems.

04

Digital Tunnel Inspection

Development and application of imagery, IoT and digital approaches for tunnel inspection, condition documentation and engineering assessment.

05

Tunnel Support & Stability

Assessment of tunnel support performance and tunnel stability using empirical, analytical and numerical approaches for rock and ground conditions.

06

Ground Settlement Assessment

Analysis of ground settlement induced by tunnelling, including tunnelling under non-greenfield conditions and interaction with surrounding infrastructure.

07

Tunnel Lining & Soil Interaction

Evaluation of segmental tunnel lining, joint parameters, jacking forces and soil-tunnel interaction affecting deformation and ground response.

08

Excavation & Pre-Support Assessment

Engineering assessment of shallow tunnelling, excavation sequence, forepoling pre-support and support requirements in challenging ground conditions.

09

TBM & Ground Condition Assessment

Assessment of tunnel boring machine performance in relation to subsurface and geological ground conditions.

10

Tunnel Risk Assessment

Technical assessment supporting the identification, interpretation and evaluation of engineering risks associated with existing tunnel infrastructure.

Methods & Technical Approaches

Tunnel Lining Inspection Structural Health Assessment Non-Destructive Testing Imagery-Based Assessment Internet of Things (IoT) Numerical Modelling Ground Settlement Analysis Soil–Tunnel Interaction Segmental Tunnel Lining Rock Mass Classification RMR Q-System Forepoling Pre-Support Tunnel Support Assessment TBM Performance Risk Assessment

Assessment Approach

STEP 01

Records & Condition Review

Review available tunnel information, geometry, history and engineering records.

STEP 02

Inspection & Investigation

Tunnel condition inspection and targeted technical investigation.

STEP 03

Engineering Assessment

Structural, geotechnical and numerical interpretation where appropriate.

STEP 04

Risk & Technical Reporting

Engineering interpretation, condition evaluation and technical recommendations.

Selected Engineering & Research Experience

2026

Tunnel Integrity Inspection and Risk Assessment for Telom & Lemoi Diversion Tunnel, Ulu Jelai Hydroelectric Scheme

Tunnel Integrity Risk Assessment
2023–2025

Integrated Intelligent Tunnel Lining Inspection System (TuLIS) Based on Imageries and IoT

Digital Inspection RM499,275
2023–2025

Use of NDTs to Detect Structural Impairment in Tunnel Lining

Non-Destructive Testing RM142,800
2021

North-South Expressway – Structural Assessment for Meru & Menora Tunnels

Part of a professional structural assessment programme covering tunnels and selected bridge infrastructure along the PLUS highway network.

Structural Assessment
2021–2024

Behaviour of Surface Settlement Induced by Tunnelling Under Non-Greenfield Conditions

Ground Settlement RM65,000
2019–2022

Video-Based Image Risk Analysis for Tunnel Lining and Tunnel

Image Analysis RM20,000

Selected Research Supporting the Service

2022

A Preliminary Study: Influence of Sub-Surface Ground Condition on Tunnel Boring Machine Performance

Tunnel boring machine performance and ground-condition assessment.

2021

Assessment of Tunnel Construction Approach: Effects on the Ground Condition

Assessment of tunnelling approach and surrounding ground response.

2019

Evaluation of Structural Health Assessment of Existing Multiarch Tunnel Lining

Structural-health assessment of existing tunnel lining.

2019

Assessment on Tunnel Lining to Ensure Stability in Soft Ground

Tunnel lining and stability assessment under soft-ground conditions.

2018

3D Numerical Model of Soil–Tunnel Interaction Induced by Segment Joint Parameter

Numerical modelling of segmental lining and soil–tunnel interaction.

2016

3D Numerical Modelling of Shallow Tunnel in Weathered Granite Incorporating Multi-Stage Excavation and Pre-Support

Numerical investigation of shallow tunnel excavation and pre-support in weathered granite.

2016

Review of Rock-Mass Rating and Tunneling Quality Index Systems for Tunnel Design

Review of RMR and Q-system development, application and limitations in tunnel design.

Academic & Professional Leadership

Professional Leadership

Chairman, TUSTD

Tunnelling and Underground Space Technical Division, Institution of Engineers Malaysia · 2026

Postgraduate Teaching

MEAJ1113 Tunnel Engineering

Postgraduate Tunnel Engineering course, Universiti Teknologi Malaysia.

International Education

Micro-Credential: Tunnel Engineering

International collaboration with Graz University of Technology.

Discuss a Tunnel Engineering Assessment

For enquiries related to tunnel inspection, tunnel lining assessment, structural health evaluation, tunnelling research, consultancy or professional collaboration, please contact:

asnida@utm.my