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View article: A novel fibre-optic pore pressure sensor for soil element testing
A novel fibre-optic pore pressure sensor for soil element testing Open
Interpretation of element testing in soil mechanics can be enhanced to a large extent with the use of local pressure measurements, helping in quantifying the consequences of non-uniform stress, strain, and pore pressure fields within the s…
View article: Smart sensing of concrete crack using distributed fiber optics sensors: Current advances and perspectives
Smart sensing of concrete crack using distributed fiber optics sensors: Current advances and perspectives Open
Monitoring of cracks and crack growth rates is a crucial aspect of structural health monitoring for concrete infrastructure, and multiple manual and automatic monitoring techniques have emerged over the years. This study focuses on an in-d…
View article: Development of an earthquake simulator for soft soils: Multidirectional Shear Testing Device
Development of an earthquake simulator for soft soils: Multidirectional Shear Testing Device Open
Testing soils for earthquake and dynamic loads requires advanced equipment able to assess the effects of hydromechanical coupling on the soil response. The majority of laboratory element tests are either “slow tests”, which intend to appro…
View article: Designing a Distributed Sensing Network for Structural Health Monitoring of Concrete Tunnels: A Case Study
Designing a Distributed Sensing Network for Structural Health Monitoring of Concrete Tunnels: A Case Study Open
Structural health monitoring is essential for the lifecycle maintenance of tunnel infrastructure. Distributed fiber‐optic sensor (DFOS) technology, which is capable of distributed strain measurement and long‐range sensing, is an ideal nond…
View article: A new experimental setup to investigate the cyclic response of soft soils under induced earthquakes
A new experimental setup to investigate the cyclic response of soft soils under induced earthquakes Open
Energy technologies, which work by extracting or injecting fluids in the ground, such as geothermal energy systems or underground liquefied gas storage, may induce seismic events, see e.g., [1]. In the Netherlands, induced earthquakes are …
View article: Monitoring of Tidal Variation and Temperature Change-Induced Movements of an Immersed Tunnel Using Distributed Optical Fiber Sensors (DOFSs)
Monitoring of Tidal Variation and Temperature Change-Induced Movements of an Immersed Tunnel Using Distributed Optical Fiber Sensors (DOFSs) Open
The short-term deformation behavior of immersed tunnels due to daily or monthly temperature changes and tidal variations is often not monitored but forms important input for a structural health assessment of the tunnel. In this study, dist…
View article: A compact blowout model for shallow tunnelling in soft soils
A compact blowout model for shallow tunnelling in soft soils Open
Tunnelling in soft soil conditions, especially with a shallow overburden, faces the risk of face instability due to blowout. Although several blowout models have been proposed to estimate the blowout pressure, mostly based on limit analysi…
View article: Monitoring daily and seasonal movement of an immersed tunnel
Monitoring daily and seasonal movement of an immersed tunnel Open
Daily and seasonal deformation behavior of immersed tunnels potentially impacts the structural integrity. In this study, distributed optical fiber sensors (DOFS) are used to instrument both dilation and immersion joints of the Heinenoordtu…
View article: Experimental observation and constitutive modelling of the shear strength of a natural unsaturated soil
Experimental observation and constitutive modelling of the shear strength of a natural unsaturated soil Open
Increasing frequency and intensity of extreme weather events in the Netherlands is raising attention on the unsaturated response of geo-infrastructures, promoting research projects to provide an overview of the impact of unsaturated condit…
View article: Special issue on building and infrastructure response to ground movement: Bridging the gap between geotechnical and structural modelling of SSI
Special issue on building and infrastructure response to ground movement: Bridging the gap between geotechnical and structural modelling of SSI Open
Green Open Access added to TU Delft Institutional Repository ‘You share, we take care!’ – Taverne project https://www.openaccess.nl/en/you-share-we-take-care Otherwise as indicated in the copyright section: the publisher is the copyright h…
View article: Design of a distributed optical fiber sensor system for measuring immersed tunnel joint deformations
Design of a distributed optical fiber sensor system for measuring immersed tunnel joint deformations Open
Monitoring the deformations of immersed tunnels is important during the entire tunnel service life to assess the structural integrity of the tunnel. Conventional joint deformation monitoring is based on manual levelling measurements and no…
View article: An efficient transient‐state algorithm for evaluation of leakage through defective cutoff walls
An efficient transient‐state algorithm for evaluation of leakage through defective cutoff walls Open
Artificial barriers are widely used to prevent leakages. However, due to construction errors during the wall installation, passages with small dimensions may occasionally penetrate through the barrier, undermining its tightness. A three‐di…
View article: Settlements of immersed tunnel on soft ground: A case study
Settlements of immersed tunnel on soft ground: A case study Open
This paper focuses on the settlement analysis of immersed tunnel on soft ground. Even under careful design, immersed tunnel may have problems of excessive settlement and the resulting concrete cracking or structure leakage during operation…
View article: Managing knowledge for future-proof tunnels in The Netherlands
Managing knowledge for future-proof tunnels in The Netherlands Open
The COB is The Netherlands Knowledge Centre for Underground Construction and Underground Space. Over sixty organisations, from government, industry and knowledge institutes, work together to learn and develop smart solutions regarding tunn…
View article: Investigation of the remaining life of an immersed tube tunnel in The Netherlands
Investigation of the remaining life of an immersed tube tunnel in The Netherlands Open
In this paper we present issues related to the performance of immersed tube tunnels in the Netherlands. A range of issues are experienced for the ageing structures including long-term settlement at tunnel joints and consequent leakage. Bec…