Building sustainably with concrete

Life-cycle management for reinforced concrete buildings




Project members: K. Lukas, A. Borrmann

Project partners: Zentrum für Baustoffe und Materialprüfung, TUM;
Project partners: Institut für Baustoffe, Massivbau und Brandschutz, TU Braunschweig;


Funding: Bundesministerium für Bildung und Forschung

Homepage of joint project: Building sustainably with concrete (in German)


Project description

Confronted with more and more aging building stocks on the one hand and strong limited public funds on the other hand, a couple of life-cycle management systems (LMS) have been developed by national and international research teams in the last years. A LMS is defined as a systematic approach for the organisation and execution of all activities which occur during the stages of planing, dimensioning, construction, final inspection, controlling during service (monitoring), maintenance, reinforcement and demolition including recycling. Part of this research project is the development of a predictive LMS. With a predictive LMS damages in the construction can be recognized at an early date, the condition changes in time of the building can be predicted, thus resulting in an optimized, more cost-effective, and sustainable maintenance of the building. The main features of a predictive LMS are:

  • Probabilistic methods for life-cycle dimensioning depending on the decisive deterioration mechanism over the whole lify-cycle.
  • Periodic condition gathering using pre-set inspection-schedules. These are done for the first time at the final inspection ("birth certificate"). The inspection rates, methodes, and points of time will be adjusted to the predicted condition of the building.
  • Monitoring systems will be used for the continuous collection of data.
  • Enhancement of life-cycle prediction using all gathered information about the condition of the building.
  • Use of probabilistic models for estimation of the durability of the applied reconditioning systems.
  • Development and specification of maintenance and recondition strategies based on inspection results and the condition prediction at building level.

A software tool for the described predictive life-cycle management system is under development.

berblick
Screenshot of the devloped LMS software tool

Publications

 

▪  Dori, G.; Wild, M.; Borrmann, A.; Fischer, O.:
A System Model for Lifecycle Monitoring of Bridges
In: Proc. of the 30th Int. Conf. on Applications of IT in the AEC Industry (CIB-W78), Beijing, China, 2013

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▪  Dori, G.; Wild, M.; Borrmann, A.; Fischer, O.:
A system model based approach for lifecycle monitoring of bridges
In: Proc. of the 3rd Int. Conf. on Soft Computing Technology in Civil, Structural and Environmental Engineering (CSC2013), Cagliari, Sardinia, Italy, 2013

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▪  Lukas, K.; Borrmann, A.:
Network-Level Infrastructure Management based on Meta-Heuristics
In: Gandomi, A.H.; Yang, X.S.; Talatahari, S.; Alavi, A.H. (Eds): Metaheuristic Applications in Structures and Infrastructures, Elsevier, 2013

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▪  Christodoulou, S.; Lukas, K.; Borrmann, A.:
Entropy-Based Traffic Impact Analysis and Optimization of Roadway Maintenance
In: Proc. of the 14th Int. Conf. on Computing in Civil and Building Engineering, Moscow, Russia, 2012

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▪  Lukas, K.; Borrmann, A.:
Integrated Bridge Management from 3D-Model to Network Level
In: Proc. of the 6th Int. Conf. on Bridge Maintenance, Safety and Management, Lake Como, Italy, 2012

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▪  Borrmann, A.; Lukas, K.; Zintel, M.; Schiessl, P.; Kluth, M.:
BIM-based life-cycle management for reinforced concrete buildings
International Journal of 3D Information Modeling 1 (1), pp. 1-24, 2012
DOI: 10.4018/ij3dim.2012010101

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▪  Lukas, K.; Borrmann, A.:
Minimizing the traffic impact caused by infrastructure maintenance using ant colony optimization
In: Proc. of the 28th International Symposium on Automation and Robotics in Construction, Seoul, Korea, 2011

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▪  Lukas, K.; Borrmann, A.; Rank, E.:
Using Ant Colony Optimization for Infrastructure Maintenance Scheduling
In: Proc. of the 8th European Conference on Product and Process Modeling (ECPPM), Cork, Ireland, 2010

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▪  Vesikari, E.; Borrmann, A.:
Management systems for maintenance, repair and rehabilitation
In: Proc. of the 9th COST C25 workgroup meeting on sustainability of constructions, Izmir, Turkey, 2010

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▪  Lukas, K.; Borrmann, A.; Zintel, M.; Mayer, T.; Rank, E.:
Developing a Life-Cycle Management System for Reinforced Concrete Buildings based on Fully-Probabilistic Deterioration Models
In: Proc. of the 12th International Conference on Civil, Structural and Environmental Engineering Computing, Madeira, Portugal, 2009

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Contact: Dipl.-Ing. K. Lukas