Research

GROUPS:
Civil Engineering and Structural Dynamics group (CESDyn) • Computational Structural Engineering (CSE) • Engineering Risk and Decision Analysis (ERDA) • Concrete Structures (CS) • Civil Engineering and Architectural Aerodynamics (CEAero) • DTU - Steel Structures


The overall aim of our research effort is to create valuable leading-edge knowledge and technologies to improve existing or develop new methods in structural design, create new materials and to expand our understanding of complex structural behaviour to meet the challenges of an increasingly urbanised society. The principle of sustainability forms a red line through our work from material production, structural design and erection, environmental impacts, durability and serviceability and risk assessment under changing boundary conditions. Our research activities are summarised in four main areas:  

I. Design of structures in steel, concrete, wood & other materials

II. Structural dynamics & monitoring

III. Integrated structural and material modelling

IV. Numerical modelling of structures

Area 1: Design of structures in steel, concrete, wood & other materials

Area 2: Structural dynamics & monitoring

Area 3: Integrated structural and material modelling

Area 4: Numerical modelling of structures

I.

Distortional Mechanics
• Generalized beam theory
Lightweight composite floor and roof panels
• Shear crack formation in reinforced concrete
Fatigue life improvement of welded steel structures
• Fatigue behaviour of steel structures under random loading
• Stability of thin metal shell structures
• Experimental and numerical study of moisture induced stresses and fracture in wood
Concrete structures, lightly reinforced structures,
light weight concrete, new structures, fibre reinforcement
Strengthening and pre-tensioning systems
Facetted shells

II.

• Vibrations of iced bridge cables
Pedestrian-induced footbridge vibrations
• Shallow water liquid dampers
• Cable vibration monitoring
Aerodynamic vibration control of cables
Bridge cable vibration mechanisms
Risk assessment of bridge cable fatigue
• Bridge cable fatigue due to bending
CFD and wind tunnel simulation of wind loading
Wind turbine vibration control
Monitoring of large structures

III.

Interaction between concrete  and reinforcement
• Computational fracture mechanics for reinforced concrete structures and composite materials.
Experimental fracture mechanics (Crack detection, mixed mode).
Transport properties in cracked reinforced concrete structures.
• Modelling of electro-chemical processes in reinforced concrete structures including corrosion.
Service life modelling for reinforced concrete structures.
• Modelling of eigenstresses due to hardening (concrete) and toughening (glass).
• Computational and experimental rheology of self compacting concrete

IV.

Concrete structures in service state:

• Modelling of discrete cracks – XFEM
• Modelling of discrete cracks – Embedded
• Modelling of flexural cracks – Hinges

Concrete structures in ultimate state:

• Modelling of collapse through optimisation of lower bound solutions

Structural glass:

• Modelling of residual stresses in tempered glass
• Mechanically reinforced glass beams

Academic staff members at Structural Engineering are presently engaged in numerous research activities. The activities are interrelated and do often overlap topics of the subject-structured list below. More detailed information is available on the websites of the related research projects or from the individual researchers.

http://www.se.byg.dtu.dk/research
25 SEPTEMBER 2017