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Tunnel Maintenance 4.0High efficiency maintenance thanks to innovative 3D data capture
technologies and use of AI
Michael Buri Karl Grossauer
Head of Geomatics Services Head of Department Tunnelling
Amberg Technologies AG Amberg Engineering AG
Facts & Figures Amberg Group
Amberg offers tailor-made, digital solutions that exceed the requirements, needs and
challenges faced by partners and customers in an ever-changing world.
Profit from our extensive know-how which results from more than 800 successfully completed
projects worldwide in the last 50 years.
The intelligent use of surface and subsurface space is always our focus and our passion.
Figures
100 % family-owned
4 companies
380 employees
8 subsidiaries on
3 continents
Services
Engineering expertise
Surveying systems and solutions
Research, testing and development
Logistics solutions, lean
management
CERN Tunnelling Workshop - Tunnel Maintenance 4.0
The companies of the Amberg Group
AmbergEngineering
AmbergTechnologies
Hagerbach Test Gallery
Amberg Loglay
Engineering at its best
Amberg Engineering
provides expertise for
surface and subsurface
construction projects
worldwide.
Surveying precision
Amberg Technologies
provides tailor-made system
solutions and services for the
georeferenced information
collection and processing of
infrastructure buildings.
Subsurface world
The VSH is a fascinating
subsurface world, only 45
minutes away from Zurich.
The extensive tunnel system
is the ideal place for testing,
developing and training.
Smart City (Urban) Logistics
Amberg Loglay combines
modern analytics, design,
planning and technology
competencies to develop and
implement breakthrough
logistics solutions.
CERN Tunnelling Workshop - Tunnel Maintenance 4.0
CERN Tunnelling Workshop - Tunnel Maintenance 4.0T
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En
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n-s
ite
CERN Tunnelling Workshop - Tunnel Maintenance 4.0
Inspections with digital tunnel log book
Night shifts with 2 engineers
250m/h
CERN Tunnelling Workshop - Tunnel Maintenance 4.0
Underground infrastructure older than 100 years -
Inspections every 5 years
CERN Tunnelling Workshop - Tunnel Maintenance 4.0
Tunnel Maintenance 4.0
3D data capture technologies and use of AI
Tunnel Inspection workflow
CERN Tunnelling Workshop - Tunnel Maintenance 4.0
8
Data Capture
Visual Inspection in tunnel
Pre inspection
Visual inspection
Data analysis
Tunnel safety evaluation
Maintenance recommendations
Effective maintenance work
24/7 Monitoring
Laser scanning with
IMS5000
Amberg MISS
MobileMapping
Structural test
Phenomena Catalog definition
Theoretical tunnel design
Process point clouds to images
Prepare Inspection
AmbergInspection
Tunnel maintenance
actionsData Capture
Amberg MobileMapping
Amberg MobileMapping – Overview systems
CERN Tunnelling Workshop - Tunnel Maintenance 4.0
Amberg MobileMapping System
Speed up to 100 km/h
Accuracy:
15-25mm (with good GNSS signal)
10 mm with control points
Applications
Railroads
Metros, Lightrails
Motorways, Roads
Tunnels
Etc.
CERN Tunnelling Workshop - Tunnel Maintenance 4.0
3D Reality capture – Multi sensor platforms
CERN Tunnelling Workshop - Tunnel Maintenance 4.0
360° view
High definition images
Infrared images
3D point cloud
Clearance analyses
3D asset inventory
Position of rail track
Rail track parameters
Rail wear
Detection of defaults on rails
Position of overhead wire
Overhead wire wear
3D Reality capture – Other methods
CERN Tunnelling Workshop - Tunnel Maintenance 4.0
UAV Backpack
Stationary Scanning Hand Scanner
Mobile Systemes
Photogrammetry Systeme
3D Reality capture – Outlook research project OpOrTunIty
Tunnel Inspection Scanner
CERN Tunnelling Workshop - Tunnel Maintenance 4.0
Geometry
Structure
Humidity
3D Reality capture – Outlook
Tunnel Inspection Scanner
64 x higher scanning resolution for image data
Planned resolution at 80 km/h: 1.7 mm
Still 5mm resolution at 235 km/h
CERN Tunnelling Workshop - Tunnel Maintenance 4.0
Image acquired at 50 km/h
3D Reality capture – Outlook
Humidity scanning channel
CERN Tunnelling Workshop - Tunnel Maintenance 4.0
Data enrichment
Collected laser scanning
data is the basis
CERN Tunnelling Workshop - Tunnel Maintenance 4.0
Geometrical Analysese.g. clearance
Tunnel Inspectione.g. cracks, humidity, etc.
Asset detectione.g. road or rail furniture
3D modelling / BIM
Tunnel Inspection workflow
CERN Tunnelling Workshop - Tunnel Maintenance 4.0
21
Data Capture
Visual Inspection in tunnel
Pre inspection
Visual inspection
Data analysis
Tunnel safety evaluation
Maintenance recommendations
Effective maintenance work
24/7 Monitoring
Laser scanning with
IMS5000
Amberg MISS
MobileMapping
Structural test
Phenomena Catalog definition
Theoretical tunnel design
Process point clouds to images
Prepare Inspection
AmbergInspection
Tunnel maintenance
actions
Prepare Inspection
Point cloud to images
CERN Tunnelling Workshop - Tunnel Maintenance 4.0
Scanned image vs. digital photograph
Image from laser scanning (3x3m)
Digital Photograph
Tunnel Inspection workflow
CERN Tunnelling Workshop - Tunnel Maintenance 4.0
24
Data Capture
Visual Inspection in tunnel
Pre inspection
Visual inspection
Data analysis
Tunnel safety evaluation
Maintenance recommendations
Effective maintenance work
24/7 Monitoring
Laser scanning with
IMS5000
Amberg MISS
MobileMapping
Structural test
Phenomena Catalog definition
Theoretical tunnel design
Process point clouds to images
Prepare Inspection
AmbergInspection
Tunnel maintenance
actions
AmbergInspection
Paradigm shift in software development – "classical"
rules
data
Classical
programminganswers
A B
C D
E F
if isConditionMet
doThis()
else
doThat()
CERN Tunnelling Workshop - Tunnel Maintenance 4.0
Paradigm shift in software development – Deep learning
rules
data
Artificial
intelligence
(Deep learning)
answers
A B
C D
E F
CERN Tunnelling Workshop - Tunnel Maintenance 4.0
Applications with image data for inspection
classical Deep Learning
CERN Tunnelling Workshop - Tunnel Maintenance 4.0
Mobile Mapping
Trolley
Challenges for Deep Learning: training of neural network...
CERN Tunnelling Workshop - Tunnel Maintenance 4.0
Tunnel Inspection workflow
CERN Tunnelling Workshop - Tunnel Maintenance 4.0
32
Data Capture
Visual Inspection in tunnel
Pre inspection
Visual inspection
Data analysis
Tunnel safety evaluation
Maintenance recommendations
Effective maintenance work
24/7 Monitoring
Laser scanning with
IMS5000
Amberg MISS
MobileMapping
Structural test
Phenomena Catalog definition
Theoretical tunnel design
Process point clouds to images
Prepare Inspection
AmbergInspection
Tunnel maintenance
actions
Tunnel maintenance
actions
Maintenance measures - Common workspace in the web
CERN Tunnelling Workshop - Tunnel Maintenance 4.0
CLIENT
Project team / Management
Overview of infrastructure
Decision support
CLIENT
Operation / Maintenance
Inventory
Virtual inspections
ENGINEERING COMPANIES
Project team / planner
Proof of concept
Study of different options
PROJECT PARTNER
3D survey data
3D modelling
PUBLIC AUTHOROTIES
Assessment
Approval
Amberg Cloud Services
Maintenance measures - Common workspace in the web
CERN Tunnelling Workshop - Tunnel Maintenance 4.0
Tunnel Inspection
Amberg Tunnel Cloud
Rail track information
Amberg Rail Cloud
24/7 GeoMonitoring and IoT
Amberg GEOvis 4.0
3D image / geometrydata
Amberg CloudPlatform
BIM Cloud
RetroBIM
GIS data
Logistics
Amberg LogisticInsight
Amberg
Cloud
Service
Amberg CloudPlatformDigitalize your infrastructure – be on-site with a mouseclick
CERN Tunnelling Workshop - Tunnel Maintenance 4.0
Amberg CloudPlatform
3D scan and image data brought to your desk
CERN Tunnelling Workshop - Tunnel Maintenance 4.0
36
Amberg CloudPlatform
3D scan and image data brought to your desk
CERN Tunnelling Workshop - Tunnel Maintenance 4.0
Amberg CloudPlatform
3D scan and image data brought to your desk
The service enables you and your customer 24/7 access to the 3D infrastructure data via
web
CERN Tunnelling Workshop - Tunnel Maintenance 4.0
Amberg GEOvis 4.0GeoMonitoring cloud platform - Relevant information around-the-clock
CERN Tunnelling Workshop - Tunnel Maintenance 4.0
GEOvis 4.0 - Relevant information around-the-clock
Automates data exchange
Import values from automated or
manual measurements
Connect Amberg GeoMonitoring
System or Third party
Automated exchange from/to
external platforms
Manual or automated export of data
or reports
CERN Tunnelling Workshop - Tunnel Maintenance 4.0
GEOvis 4.0 - Relevant information around-the-clock
All projects under control
GeoMonitoring project
cockpit
Status information at a
glance
Project overview on a map
CERN Tunnelling Workshop - Tunnel Maintenance 4.0
GEOvis 4.0 - Relevant information around-the-clock
Interactive graphs and charts
ƒVisualise measurement data in real time as interactive graphs, profiles and maps
Combine graphs, maps, texts and images to create interactive digital reports
Define virtual sensors and integrate them into your projects, alarm functions and reports
Keep a virtual logbook of all incidents to provide up-to-date information
CERN Tunnelling Workshop - Tunnel Maintenance 4.0
RetroBIM
CERN Tunnelling Workshop - Tunnel Maintenance 4.0
RetroBIMDigital Twin for Tunnel Management and Maintenance
RetroBIM – Digital Twin for Tunnel Management and Maintenance
• Digital twin of existing objects (as-built model of the construction including technical
installations), which is
• geometrically verified, and
• does not contain redundant information.
CERN Tunnelling Workshop - Tunnel Maintenance 4.0
RetroBIM - Motivation
• Collection of all available information about an existing infrastructure
• Connecting various data base information with 3D geometrical model
• Single source of information (truth) for the whole life-cycle
• Shall facilitate tunnel management and tunnel maintenance in a smarter way
CERN Tunnelling Workshop - Tunnel Maintenance 4.0
RetroBIM Oelbergtunnel – GIS based Facility Management tool
CERN Tunnelling Workshop - Tunnel Maintenance 4.0
RetroBIM Oelbergtunnel – GIS based Facility Management tool
Basic source of information
As built documentation from construction
Scan data
CERN Tunnelling Workshop - Tunnel Maintenance 4.0
RetroBIM Oelbergtunnel – GIS based Facility Management tool
Typical type of information for RetroBIM Models
Greyscale pictures
Images from tunnel documentation
Clearance profile
Clearance profile analysis
Surveying data
Inspection data
Sensor data (IoT / GeoMonitoring)
Geological information
Groundwater information
Link to the maintenance plans
Information about any technical installations
CERN Tunnelling Workshop - Tunnel Maintenance 4.0
Connection of the RetroBIM modell with other data in GIS
3 Types of Data
Geographical Data
Geometry Data
Meta Data
Connecting information
Sensor information (static and
dynamic, real time)
Inspection data (Amberg
Inspection Cloud)
24/7 GeoMonitoring data
(Amberg GEOvis 4.0)
BIM Models
Complete overview of all
available information and data
CERN Tunnelling Workshop - Tunnel Maintenance 4.0