Regine Ortlepp

Regine Ortlepp
Leibniz Institute of Ecological Urban and Regional Development | IOER · Environmental Risks in Urban and Regional Development

Dr.-Ing. habil.
Resilience building of the built environment in terms of resource efficiency + mitigating the impact of natural hazards

About

119
Publications
34,034
Reads
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1,495
Citations
Citations since 2017
48 Research Items
995 Citations
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2017201820192020202120222023050100150200
Introduction
Regine Ortlepp currently works at the Leibniz Institute of Ecological Urban and Regional Development, where she heads the Research Area Environmental Risks in Urban and Regional Development. Regine Ortlepp does mainly research in Civil Engineering, Social Ecology, more particularly Material Flow Analysis, and Resilience to Natural Hazards and Climate Change. Her current projects are 'BDat', 'HeatResilientCity', 'KlimaKonform', and 'INCREASE'.
Additional affiliations
March 2017 - present
Leibniz Institute of Ecological Urban and Regional Development (IOER) / Leibniz-Institut für ökologische Raumentwicklung e.V. (IÖR)
Position
  • Head of Department
March 2013 - February 2017
Leibniz Institute of Ecological Urban and Regional Development / Leibniz-Institut für ökologische Raumentwicklung
Position
  • Senior Researcher
March 2011 - September 2014
Technische Universität Dresden
Position
  • Visiting Lecturer
Description
  • MSc Programme: Advanced Computational and Civil Engineering Structural Studies (ACCESS) Module BIWE-01 "Design of Concrete Structures"
Education
July 2012 - October 2014
Technische Universität Dresden
Field of study
  • Habilitation
February 2002 - July 2013
Technische Universität Dresden
Field of study
  • Dissertation in Cocncrete Stuctures
October 1996 - August 2001
Technische Universität Dresden
Field of study
  • Civil Engineering (Bauingenieurwesen)

Publications

Publications (119)
Article
Full-text available
A major concern in climate adaptation is to enhance the heat resilient design of residential buildings. However, recent scientific literature addressing overheating analysis is only focussing on individual countries. In this article, we discuss how different design of representative apartment buildings in two countries influences the overheating ri...
Article
Full-text available
In addition to their ecological importance, rivers and streams have always been used in diverse ways by humans, resulting in the development of settlements and their connected built environments along many of the world's watercourses. During heavy rainfall, buildings, traffic infrastructure and water-related infrastructure are exposed to potential...
Article
Durch die projizierte globale Erwärmung werden sich Hitzeextreme verschärfen. Vor allem in den Städten wird die Lebensqualität der Stadtbevölkerung unter sommerlichen Hitzewellen leiden. Im Projekt HeatResilientCity werden bewohnerorientierte Hitzeanpassungsmaßnahmen an Gebäuden und im städtischen Freiraum entwickelt und geprüft sowie Empfehlungen...
Article
Full-text available
Building resilience is a core element of urban resilience that refers to both the (1) intended physical change of the building stock and the related blue, green, and grey infrastructure, as well as (2) the social process of increasing resilience through the goal-driven cooperation of scientists and practitioners. Building resilience at the interfac...
Chapter
The edited volume “Building resilience to natural hazards in the context of climate change—Knowledge integration, implementation, and learning” follows a specific purpose and agenda. This introductory contribution to the volume explains its purpose and agenda in broad terms and provides an overview over the contributions. Six points characterize th...
Chapter
Building resilience to natural hazards is a knowledge-intensive process that encompasses efforts of knowledge integration at multiple social, spatial, and temporal scales. It is not uncommon that issues of knowledge integration are largely implicit in contributions to resilience research and practice. To be explicit about the relations between know...
Chapter
Heat is one of the most serious environmental impacts of climate change and negatively affects inhabitants of densely populated urban areas. Building resilience to this natural hazard that will intensify in the future is a socially challenging knowledge-integrative process that requires adaptive capacity at multiple levels. Increasing coping capaci...
Article
Full-text available
Can building performance simulation reproduce measured summertime indoor conditions of a multi-residential building in good conformity? This question is answered by calibrating simulated to monitored room temperatures of several rooms of a multi-residential building for an entire summer in two process steps. First, we did a calibration for several...
Article
To what extent is the overheating risk in dwellings affected by the individual window ventilation behaviour of residents? To answer this question six window ventilation profiles, obtained from surveys, are implemented in building performance simulation models of a large panel construction and a “Gründerzeit” multi-residential building located in Ge...
Article
Full-text available
Increasingly, decision makers and society at large are focusing on ways of conserving natural resources. This change of perspective will certainly impinge on the construction industry. Several recent studies have developed material composition indicators (MCI) in order to assess the quantities of construction materials required for various building...
Chapter
Flooding due to intensive precipitation poses a major threat to lives and property. Information about flood-prone areas is needed in order to reduce potential risks via mitigation and adaptation measures. The flood probability of a certain point in the landscape depends, firstly, on the projected frequency and characteristics of heavy rainfall even...
Chapter
To describe the urban metabolism of the built environment, bottom-up approaches are often used in literature. In these approaches building typologies play an important role, where the material intensity of building types is described by material composition indicators. These indicators are mostly static and refer to the construction method of the r...
Article
Full-text available
Flooding due to intensive precipitation poses a major threat to lives and property. To deal with the resulting risks, information about flood-prone areas regarding water levels and flow velocities is needed. The flood probability of a certain point in the landscape depends on the one hand on the occurrence probability of a surface runoff generating...
Conference Paper
Full-text available
In den zurückliegenden zwei Dekaden hat die öffentliche Hand enorme Anstrengungen unternommen, um – mit Blick auf die staatliche Daseinsvorsorge – auf zukünftige Hochwasserereignisse besser vorbereitet zu sein und die nachteiligen Folgen von Hochwasser maßgeblich vermindern bzw. begrenzen zu können. Hierbei zeigte es sich, dass Restrisiken verbleib...
Article
Full-text available
Around the world, building stocks are the dominant consumers of mineral resources. Mining activities for the supply of construction materials can lead to conflicts in land use. In order to minimize such sources of conflict, we need improved knowledge of material consumption in the built environment. For this we can make use of material flow analysi...
Conference Paper
Full-text available
Climate change is likely to cause a change in frequency and intensity of convective thunderstorms and associated heavy precipitation. Typical consequences of such events are a rapid generation of surface runoff with high flow velocities in hilly and mountainous areas as well as the unexpected and abrupt occurrence of inundation in areas currently n...
Book
Full-text available
Urban resilience and building resilience are “hot topics” of research and practice on sustainability in the context of climate change. The edited volume advances the “state of art” of urban resilience research through focusing on three important processes of building resilience: knowledge integration, implementation, and learning. In the volume, kn...
Conference Paper
The frequency and intensity of heat waves induced by global climate warming will increase. Existing buildings are not adjusted to such changes which will lead to a significant rise of heat stress in non-adapted buildings. Here, we focus on a detailed heat resilience analysis of a founding epoch house in Germany, a representative apartment house in...
Conference Paper
Reinforced concrete roof structures represent a historical construction method that was particularly widespread in Central and Eastern Germany in the postwar period. The lack of wood at that time mainly led to the invention of constructions based on typical wooden roof constructions. Particularly in the first two postwar decades, precast concrete c...
Conference Paper
The present condition of the St. Luke's Church in Dresden, Germany is still marked by the wounds of the Second World War. The main tower, originally 83 metres high, has been cut to almost half its height. There is hardly anything left of the former, sky pointing character. The building looks now for many years in such a way incompletely over the ci...
Conference Paper
Full-text available
Cite as: Schünemann, C.; Ziemann, A.; Goldberg, V.; Ortlepp, R. (2020): Urban climate impact on indoor overheating-a model chain approach from urban climate to thermal building simulation. In: Gyula Zilahy (Ed.): Sustainability in Transforming Societies.
Article
Full-text available
Can thermal retrofit measures also enhance summer heat resilience and climate justice? Two common building types of multifamily dwellings in Central Europe are investigated: the ‘'Gründerzeithaus'’ and post-war large-panel construction along with their different inhabitant demographics. Thermal simulations and demographic surveys were undertaken fo...
Book
The Report is about derivation of climate change adaptation factors and related information of land and buildings that help to reduce and respond to negative impacts from climate change. Thes includes (1) factors for adapting land and buildings to climate change with focus on heavy rain and heat waves and (2) information on climate change adaptatio...
Article
Full-text available
Summer heat stresses the inhabitants of densely populated residential areas. It is one of the most serious environmental impacts. Heat can affect human health and lead to additional deaths even under current climatic conditions. Climate projections show a clear change signal for summer heat in the future. This means an increase in hot days and trop...
Chapter
Hitze belastet die Bewohnerinnen und Bewohner stark verdichteter Wohnquartiere. Sie ist eine der folgenreichsten Umwelteinwirkungen des Klimawandels. Klimaprojektionen zeigen ein eindeutiges Änderungssignal für Sommerhitze, d. h. eine Zunahme sowohl der mittleren als auch der maximalen Temperaturen. Dies betrifft insbesondere dichte städtische Quar...
Conference Paper
The research analyses the effect of seismic zones and underground conditions, which require different levels of earthquake resistant design (ERD levels) which in turn lead to different building material consumption, taking different regions in Afghani-stan as an example. A parametric study was conceptualized with the modelling and designing of a re...
Conference Paper
Parameter uncertainties in flood hazard analysis of heavy rain events Flooding due to intensive precipitation poses a major thread to lives and property. To deal with the resulting risks, information about flood prone areas regarding water levels and flow velocities are needed. The flood probability of a certain point in the landscape depends on th...
Article
The article deals with urban heat protection. Especially dense urban settlement areas can heat up in summer. Local authorities should therefore inform their residents about the health risks and inform them about effective short-term measures for adapting to heat-waves.
Article
Most anthropogenic material stocks and flows are associated with the building sector. Several recent studies have developed material composition indicators (MCIs) suitable for calculating material stocks and flows of the building sector using bottom‐up approaches, which hold great potential to provide information to support resource efficiency poli...
Article
Irrespective of the magnitude and spatial extend, the consequences of a natural hazard are strongly connected to the vulnerability of elements at risk (e.g. people, buildings and infrastructure). It is, therefore, obvious that an analysis and quantification of vulnerability is required for successful disaster risk reduction. The need for vulnerabil...
Poster
Full-text available
The poster deals with adaptation measures to climate change at building level in relation to summer heat. The research is part of the project HeatResilientCity.
Conference Paper
In the last couple of years, a number of flash flood events have been observed in central Europe. The probability for the occurrence of such events will most likely increase in the future due to climate change, urbanization, demography, etc. To understand the dynamics of flash floods in urbanized areas, models are a helpful tool. 1D-2D hydrodynamic...
Article
Full-text available
Flooding caused by heavy rain can have different appearances: Flash floods in hilly and mountainous terrain with concentrated surface water runoff, pluvial flooding by surface water in flat areas as well as sewer flooding in areas with drainage systems. Maps of potentially inundated areas with water levels and flow velocities can help threatened i...
Article
Full-text available
Natural resources can be conserved if we carefully maintain the building stock and indeed extend the useful economic life of buildings. One way to achieve this is to enhance load-bearing structures by repair, restoration, or strengthening. Such upgrading often involves applying a strengthening to existing concrete elements. Over the past decade, te...
Conference Paper
In practice, there are different possibilities to strengthen load bearing structures by sensible combinations of different materials. The composite material, textile reinforced concrete (TRC) is an effective and very innovative strengthening method. Due to the increased lateral tensile loading, there exists the danger of an early failure by delamin...
Article
de Zu den markanten Baukonstruktionen der Nachkriegszeit in Mittel‐ und Ostdeutschland gehören Dachtragwerke aus Stahlbeton. Der wesentliche Grund für die Konzeption und Errichtung derartiger Strukturen lag in dem zur Bauzeit existierenden Mangel an Bauholz. Betonfertigteilbetriebe entwickelten insbesondere in den 1950er‐ und 1960er‐Jahren Systemlö...
Article
Full-text available
Coefficient-based, bottom-up material flow analysis is a suitable tool to quantify inflows, outflows and stock dynamics of materials used by societies, and thus can deliver strategic knowledge needed to develop circular economy policies. Anthropogenic stocks and flows are mostly of bulk nonmetallic mineral materials related to the construction, ope...
Article
The world’s industrialised nations have accumulated a wealth of assets in the form of buildings, infrastructure and other durable goods. These assets constitute a valuable reservoir of secondary raw materials. This “anthropogenic material stock” should be understood as a future capital stock that must be systematically managed and exploited. Yet th...
Poster
Full-text available
The poster is about the impact of building material substitution on reachable quantities of saved resources at the example of Indian buildings taking into account the requirements of building materials and building’s resilience, such as resistance against earthquake from the engineering point of view.
Article
Material flow analysis (MFA) is a helpful tool to understand and develop the circular economy. There exist a number of MFA models to depict inflows and outflows of bulk nonmetallic mineral building materials, which are, in fact, the largest flows in terms of tonnes. However, until now such models have not attempted to directly link inflows and outf...
Research
Full-text available
Links to the IOER’s online databank of buildings and infrastructure
Article
In the context of renovation and repair work or when buildings are to be adaptively reused, the planning engineer is frequently required to strengthen the load-bearing structure. This is the case, for example, if live loads will increase due to changes in use or if the structural integrity of a building has to be restored after a fire or earthquake...
Article
Building stocks are the dominant consumers of resources within national economies. Correspondingly, there is high demand for improved knowledge of material stocks and flows in the built environment. Material flow analysis is well suited to meet this demand. Although numerous studies have been conducted on this topic over recent years, these frequen...
Conference Paper
Full-text available
Deutschland hat ein enormes Vermögen in Form von Bauwerken, Infrastrukturen und sonstigen langlebigen Gütern angehäuft. Hierin befindet sich ein wertvolles Sekundärrohstoffreservoir – ein anthropogenes Materiallager, bestehend u.a. aus Gesteinen, Metallen, Holz und Kunststoffen. Es ist als Kapitalstock der Zukunft zu begreifen, den es im Sinne von...
Article
Der Bausektor verbraucht große Mengen an natürlichen Ressourcen und erzeugt hohe Mengen an Bau- und Abbruchabfällen. Es ist allerdings abzusehen, dass sich Veränderungen in der politischen Rahmensetzung auch zukünftig auf das Bauwesen auswirken werden. Die Bundespolitik fokussiert auf eine verstärkte Kreislaufführung insbesondere ressourcenrelevant...
Conference Paper
Year after year worldwide resources are becoming scarce. In the context of general reduction of resources, it is necessary to save the used energy and to keep the resources in the material cycle. The fact of high material and energy consumption in the building sector requires development of new methods of construction that provide a sustainable use...
Conference Paper
Full-text available
Due to the acceleration in processes of urbanization in developing countries, especially in Africa and Asia, large quantities of building materials are needed to construct the built environment (infrastructures and buildings). This entails the extraction of raw materials such as gravel, sand, clay, etc around the world, frequently in peri-urban are...
Conference Paper
Full-text available
The building sector consumes large quantities of resources and generates high levels of C&D waste. From the perspective of Urban Mining, the building stock is seen as a repository of secondary resources. To better manage this repository, we require knowledge of its quantity and dynamics. While a wide range of data is available on residential buildi...
Article
Full-text available
Deutschland hat ein enormes Vermögen in Form von Bauwerken, Infrastrukturen und sonstigen langlebigen Gütern angehäuft. Hierin befindet sich ein wertvolles Sekundärrohstoffreservoir – ein anthropogenes Materiallager. Es ist als Kapitalstock der Zukunft zu begreifen, den es systematisch zu bewirtschaften gilt. In der überwiegend Input-dominierten Re...
Article
Full-text available
The building sector consumes large quantities of resources and generates high levels of construction and demolition (C&D) waste. From an ‘urban mining’ perspective, the building stock can be seen as a repository of natural resources. In order to manage this repository, evidence is needed on its quantity and dynamics. Although data exist for domesti...
Technical Report
Full-text available
Abstract Germany has accumulated an enormous wealth of buildings, infrastructures and other durable goods. This constitutes a valuable reservoir of secondary raw materials –an anthropogenic material stockpile, one could say. It should be understood as representing a capital reserve for the future, which must be systematically managed. This capital...
Conference Paper
Full-text available
The development length for textile fabrics located within a fine-grained concrete matrix was determined based upon specific filament yarn pull-out tests. The purpose of this research was to eliminate the possibility of failure due to fabric pull-out from the matrix in practical applications. An adaptive test specification was developed for the inve...
Conference Paper
Full-text available
The increase in the load-carrying capacity of columns strengthened with textile-reinforced concrete (TRC) is partly due to the additional concrete cover. However, the confinement effect of the textile reinforcement is also crucial. After research on differently shaped column heads had shown the considerable strengthening effect of TRC, the aim of t...
Chapter
Der Beitrag thematisiert zunächst ein methodisches Gesamtkonzept zur ex ante Abschätzung hochwasserbedingter Schäden an Wohn- und Nichtwohngebäuden. Demnach werden in Abhängigkeit von der Überflutungshöhe und der spezifischen Schadenanfälligkeit (Vulnerabilität) von Gebäudetypen die Kosten für die fachgerechte Schadensbeseitigung an Baukonstruktion...
Conference Paper
Full-text available
Year after year worldwide resources are becoming scarce. In the context of general shortage of resources it is necessary to save the used energy and to keep the spent resources in the material cycle. The fact of high material and energy consumption in the building sector leads to develop new method of constructions that have a sustainable use of na...
Conference Paper
Full-text available
Textile Reinforced Concrete (TRC) can be used to improve the load carrying capacity of columns. The strengthening effect is due to the confinement effect of the textile reinforcement and the additional concrete cover. Under the multi-axial load distribution, lateral tensile stress arises from the longitudinal pressure in the column. While the fine-...
Conference Paper
Full-text available
Currently the focus of measures to preserve the world’s natural resources has been on reducing energy consumption. However, another worthwhile step towards resource conservation is to exploit the existing anthropogenic stock of buildings and infrastructures. This approach has been termed “urban mining”. Knowledge of the amounts and distribution of...
Conference Paper
Full-text available
Natural resources can be conserved if we carefully maintain the building stock and indeed extend the useful economic life of buildings. One way to achieve this is to enhance load-bearing structures by repair, restoration or strengthening. Such upgrading often involves applying a new concrete layer to existing concrete elements. In order to ensure a...
Chapter
Zementgebundene Hochleistungsfaserverbundwerkstoffe (engl. High Performance Fiber Reinforced Cement Composites, HPFRCC) stellen eine Klasse von Zementkompositen dar, die dehnungsverfestigend sind, eine hohe Bruchdehnung aufweisen und vor Erreichen der Höchstlast zahlreiche Risse zeigen. Neben dieser mechanischen Definition können weitere Merkmale H...
Thesis
Full-text available
Hinsichtlich der Möglichkeiten und Grenzen zur Verstärkung und Instandsetzung von Betonbauteilen werden fortlaufend neue Erkenntnisse gewonnen. Eine dieser Möglichkeiten ist die Verstärkung von Druckgliedern mit textilbewehrtem Beton. Grenzen der Anwendbarkeit von Instandsetzungsverfahren ergeben sich oftmals aus den Eigenschaften der vorhandeneren...
Conference Paper
Full-text available
An extension of the useful economic life of buildings can considerably contribute to the preservation of the building stock. The postponed necessity of new building accounts therewith for an enlarged share in conserved resources. Especially the capacity of the static system to carry the estimated loads in the next decades decides often on the demol...
Article
Full-text available
Die Schonung der natürlichen Ressourcen rückt mehr und mehr in den Fokus der Politik. Es ist zu erwarten, dass sich dieser Perspektivenwechsel zukünftig auch auf das Bauwesen auswirken wird. Zur Beurteilung des künftigen Bedarfs an Baustoffen sind neben verlässlichen Prognosen über die Bautätigkeit sowohl im Neubau als auch in der Sanierung Kenntni...
Article
Desde hace más de doce años, ingenieros e investigadores de la Universidad Politécnica de Dresde (TU Dresden) y la Escuela Técnica Superior de Aquisgrán (RWTH Aachen), han llevado a cabo importantes avances en el conocimiento del hormigón armado con textiles en el marco de las áreas de investigación especiales SFB 532 y 528, que se han beneficiado...
Article
Aufbauend auf den Ergebnissen des SFB 528 “Textile Bewehrungen zur bautechnischen Verstärkung und Instandsetzung” wurde in einem DAfStb-Forschungsvorhaben die Querkrafttragfähigkeit von textilbetonverstärkten Plattenbalken unter nicht vorwiegend ruhender Beanspruchung untersucht. Im Sinne einer Machbarkeitsstudie wurden insgesamt drei Plattenbalken...
Article
Full-text available
Die ständig steigenden Anforderungen an die Leistungsfähigkeit von Systemkomponenten im Fahrzeug-, Spezialmaschinenbau sowie Bauwesen lassen sich insbesondere durch neue Werkstoffe und Technologien bewältigen. Für die gewünschte Leistungssteigerung wird auf Basis einer Multiaxial-Nähwirkanlage ein Verfahren präsentiert, das eine kraftflussgerechte...
Article
Full-text available
Die brandschutztechnischen und raumakustischen Anforderungen an den Innenausbau von Gebäuden werden derzeit meist durch separate Unterdeckensysteme erfüllt. Ein Beispiel hierfür bilden Unterdeckenkonstruktionen mit Gipskern, die aus Feuerschutz- und Akustikplatten zusammengesetzt sind. Ein neuer Materialverbund aus textilbewehrtem Beton und haufwe...
Article
The constantly increasing demands on the performance of system components in vehicle and special engine construction as well as in civil engineering can only be accomplished with the help of new material and technologies especially with respect to economic aspects. A process, which allows a reinforcement thread rest in the direction of power and wh...
Thesis
Full-text available
2012 überarbeitete Fassung der 2001 entstandenen Diplomarbeit von Regine Ortlepp (geb. Beyer) Der Turmhelm der 1903 geweihten Lukaskirche zu Dresden ist im 2. Weltkrieg zerstört worden. Es handelte sich um eine kupfergedeckte Stahlkonstruktion auf vier gemauerten Giebeln. Die Luftangriffe auf Dresden im Februar 1945 haben den schlanken gen Himmel s...
Article
Full-text available
The anchorage length needed for textile fabrics as reinforcement within a fine-grained concrete matrix was determined based upon specific filament yarn pull-out tests. The purpose of this research was to eliminate the possibility of failure due to fabric pull-out from the matrix in practical applications. Therefore, a new test set-up was developed,...
Article
Full-text available
Nicht nur für Sonderbauwerke, sondern auch für viele andere anspruchsvolle Bauaufgaben bietet sich den Ingenieuren mittlerweile immer öfter auch textilbewehrter Beton als wirtschaftlich und technisch adäquater Baustoff an, vor allem für Verstärkungen, Ertüchtigungen und Instandsetzungen. Im folgenden Beitrag werden die Entstehungsgeschichte dieses...
Conference Paper
Full-text available
Ein Ziel des Sonderforschungsbereiches 528 war, das Verbundsystem auf allen Skalenebenen so präzise beschreiben zu können, dass eine hinreichende Genauigkeit bei der Berechnung des Tragverhaltens von Stahlbeton¬bauteilen mit Textilbetonverstärkung nicht nur bei der Nachrechnung, sondern auch bei der Prognose erreicht wird. Die Vorhersagequalität vo...