A geometry interface for gyrokinetic microturbulence investigations in toroidal configurations

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Nuclear fusion presents a promising clean energy source to mitigate future energy crises, with magnetic confinement fusion well-positioned to provide a baseload scenario to power future reactors. The unmitigated power exhaust of such reactors threatens its ...

Existing concrete buildings should be retained for as long as possible to reduce the environmental burden of demolition and new construction. However, when urban pressure makes demolition unavoidable, salvaging and reusing concrete elements elsewhere in ne ...

Bond between reinforcing bars and concrete has been the focus of extensive research over the last century. This is well-justified as the functioning of reinforced concrete intimately depends on the interaction between rebar and concrete, as for example cra ...

A large part of building demolitions is motivated by purely socio-economic reasons. Hence, about-to-be-demolished structures, commonly made of reinforced concrete, very often present no or little degradation. When adaptive reuse of the entire building is n ...

The reuse of concrete pieces salvaged from structures undergoing transformation or demolition into new architectural projects has gained a sudden and visible interest over the past five years. However, the practice of reusing concrete pieces in new structu ...

Codes of practice can be overly conservative, particularly for the shear resistance of reinforced concrete beams with shear reinforcement when large loads act close to supports. This thesis addresses the topic by proposing a refined design approach based o ...

In order to cope with the decarbonization challenge faced by many countries, fusion is one of the few alternatives to fossil fuels for the production of electricity. Two devices invented in the middle of the previous century have emerged as the most promis ...

Most codes of practice adopt a semi probabilistic design approach for the dimensioning and assessment of structures. Accordingly, structural safety is ensured by performing limit state verifications using design values determined with adequately calibrated ...

In typical reinforced concrete design, reinforcement is designed to carry axial forces, but it can also resist transversal forces by dowel action. This is usually neglected for simplicity's sake in the design phase, but it can be accounted for either expli ...

Estimating the stress of reinforcing bars and its variations in service conditions can be useful to determine the reserve capacity of structures or to assess the risk of fatigue in the reinforcement. This paper investigates the use crack width measurements ...

The superconducting magnet system of the Divertor Tokamak Test (DTT) facility, composed of 18 toroidal field (TF) coils, 6 poloidal field coils and a central solenoid, has been designed and many procurements have been launched. Some manufacturing aspects a ...

This study deals with a comparison of the environmental performance of one-way slabs utilizing steel fibrereinforced limestone calcined clay cement (LC3) concrete with the control case of Ordinary Portland cement concrete. The experimental program constitu ...

Small scale (1:30-1:40) Reinforced Concrete is useful for centrifuge testing. However, manufacturing the reinforcing cages by hand at this scale is practically difficult. This paper suggests that small scale reinforcement can be manufactured using a metal ...

Carefully extracting reinforced concrete (RC) elements from soon-to-be demolished structures and reusing them as load-bearing components is an emerging circular low-carbon alternative to building new structures. As floor construction typically accounts for ...

In this paper, we present a new parameterization and optimization procedure for minimizing the weight of ribbed plates. The primary goal is to reduce embodied CO2 in concrete floors as part of the effort to diminish the carbon footprint of the construction ...

The study explores an original idea that responds to the urgent need to reduce the detrimental environmental impacts of load-bearing floor construction in new buildings by reusing saw-cut reinforced concrete (RC) pieces salvaged from soon-to-be demolished ...

Reinforced concrete flat slabs consist of a continuous, thin concrete plate that rests on a grid of columns. The supporting surface of the columns is very small compared to the floor plan dimensions, leading to concentrations of shear forces near the colum ...

The design point that had been chosen for EU DEMO in 2016 is reviewed here and a modification is proposed with a lower aspect ratio. Previously the same aspect ratio, A, was chosen for EU DEMO as in major tokamak experiments including ITER (A = 3.1), and, ...

Rapid inter-discharge simulation and optimization using the RAPTOR code have allowed the development of a reliable and reproducible early heating strategy for an advanced tokamak (AT) scenario on ASDEX Upgrade. Solving for electron heat and current diffusi ...

For the dimensioning and assessment of structures, it is common practice to compare action effects with sectional resistances. Extensive studies have been performed to quantify the model uncertainty on the resistance side. However, for statically indetermi ...

A geometry interface for gyrokinetic microturbulence investigations in toroidal configurations

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Experimental study and interpretative modelling of the Power Exhaust in Configurations with Multiple X-Points in TCV

A concrete answer for circular construction: three prototypes reusing saw-cut elements

Contributions to rebar-to-concrete interaction and its structural implications for design and monitoring applications

Reusability assessment of reinforced concrete components prior to deconstruction from obsolete buildings

Structural component reuse of precast and cast-in-place reinforced concrete in architecture since the late 1960s in Europe

Experimental and analytical investigation of shear-reinforced concrete and dowel action

Global fluid simulations of plasma turbulence in stellarators

Influence of model uncertainty and long term deformations in action effects calculation in reinforced concrete structures

Experimental investigation of dowel action in reinforcing bars using refined measurements

Estimation of the bar stress based on crack width measurements in reinforced concrete structures

DTT toroidal field conductor samples test in Sultan: DC and AC characterization

Decarbonization potential of steel fibre-reinforced limestone calcined clay cement concrete one-way slabs

Additively manufactured steel reinforcement for small scale reinforced concrete modeling: Tensile and bond behavior

FLO:RE – A new floor system made of reused reinforced concrete and steel elements

Mesh-based topology, shape and sizing optimization of ribbed plates

Reuse of cut concrete slabs in new buildings for circular ultra-low-carbon floor designs

Shear and steel-fibre reinforcement for the punching resistance of flat slabs at internal and edge columns

Re-design of EU DEMO with a low aspect ratio

Inter-discharge optimization for fast, reliable access to ASDEX Upgrade advanced tokamak scenario

Model uncertainties in action effects and load bearing capacity calculation in statically indeterminate reinforced concrete structures