Additive Manufacturing in Construction
AMC TRR 277

Tag: AMC-MERCATOR-FELLOW

Prof. Dr. Carlos Lázaros AMC-MERCATOR-FELLOW

AMC-Mercator-Fellow Prof. Dr.-Ing. Carlos Lázaro is the academic director of the master's degree in civil engineering at the Universitat Politècnica de València (UPV, Spain). He has worked as a structural engineer in Barcelona (1991–1992), Berlin (1992–1994) and Valencia (1994–2000), and was a founding partner of CMD Ingenieros (2006-2014), an engineering firm specialising in structural design. He has been the president of the International Association for Shell and Spatial Structures (IASS) since 2021, a leading scientific and technical association in the field of lightweight structures, founded by Eduardo Torroja in 1959. He received the Pioneers' Award from the Spatial Structures Research Centre at the University of Surrey in 2021 for his contributions and career in the field of structures. Carlos Lázaro's research builds upon his professional experience and explores the design, realisation and performance of structural systems. It comprises • the design of structures with non-conventional materials (Félix Candela's last shell structure in 2000, pioneering the application of fibre-reinforced concrete in architectural shells, and the Turia Bridge in Manises in 2009, first application of structural recycled aggregate concrete in a cable-stayed bridge); • Innovative lightweight structural systems (experimental bending-active footbridges made of GFRP tubes and of HPFRC prestressed slabs, and a patented 2-axes solar tracking system for energy generation using PV panels); • Conceptual design of non-conventional bridge structures (viaducts for the Hyperloop transportation system). His current research lines focus on structural resiliency, including the mitigation of wind-induced vibrations in long-span bridges (in collaboration with the Chair of Structural Analysis at the TU Munich) and the prevention of collapse in ageing steel bridges (one article published in the leading scientific journal Nature). Carlos Lázaro collaborates in project C02 of area C' Design and Construction'. The focus is on researching innovative structural systems suitable for production using additive manufacturing, including adapting the '3D structural puzzle' to various structural systems, integrating components made of different materials, and addressing key questions in design and optimisation for manufacturability. Carlos Lázaro's experience in designing structural systems that incorporate innovative technologies provides an enriching, holistic perspective for the research efforts of the TRR 277 AMC. His collaboration also contributes to identifying points of contact between projects in Area C – and, to some extent, also in Area B. Furthermore, Carlos Lázaro's leadership role in the International Association for Shell and Spatial Structures (IASS) provides opportunities to expand the network and promote exchange with other international experts worldwide.

Prof. Dr. Nicolas Roussel AMC-MERCATOR-FELLOW

AMC-Mercator-Fellow Prof. Dr. Nicolas Roussel is in charge of the research activities dealing with rheology and processing of construction materials at the Navier Laboratory, FRANCE. He is the founding editor of the RILEM technical letters journal, president of the RILEM association and has received in 2007 the Robert L'Hermite award for his work on rheology of fresh concrete. With a Thompson Reuters H-index of 54 and more than 8.000 citations, he is the author or co-author of more than 130 papers in scientific journals such as Cement and Concrete Research, Physical Review letters or Journal of Non-Newtonian Fluid Mechanics. His research focus spreads from concrete rheology and rheometry to the understanding of construction processing technologies. Thereby his work covers various technology readiness levels and includes mixing and dispersion, centrifugation and granulation, vibration and compaction, molding, spraying and coating along with automation in construction. In 2022, Nicolas Roussel was appointed as AMC-Mercator-Fellow by the TRR 277 AMC in honor of his contribution to the AMC. Within the context of its AMC cooperation, he recently contributed to a workshop on “Materials and Processes in Additive Manufacturing” at TUBS, having the opportunity to see and discuss the research results and outputs of several AMC PhD and post doc researchers. This intensive exchange has led to the planning of a number of joint and collective publications dealing with the rheology and thixotropy of cement-based materials. According to Nicolas Roussel, the cooperation with the AMC as AMC-Mercator-Fellow "offers the opportunity to directly interact with high-level PhD students also in the coming years and thus to foster the AMC's strategic topics for the European industry". As a result of the above interactions, Prof. Dirk Lowke and Prof. Nicolas Roussel are planning for the submission of Franco-German ANR/DFG research project.

Prof. Virginia San Fratello AMC-MERCATOR-FELLOW

Virginia San Fratello is an architect, artist, and educator. She is Chair of The Department of Design at San José State University in Silicon Valley. San Fratello is a winner of the United States National Design Award for Digital Design, an International Interior Design Educator of the Year Award, and is also a winner of the Metropolis Magazine Next Gen Design Competition. Her creative practice, Rael San Fratello, was named an Emerging Voice by The Architectural League of New York, and in 2021, they were awarded the Beazley Design of the Year. San Fratello is the co-author of Printing Architecture: Innovative Recipes for 3D Printing, a book that reexamines the building process from the bottom up and offers illuminating case studies for 3D printing with materials like chardonnay grape skins, salt, earth, and sawdust. She is a partner in Emerging Objects, a creatively driven, 3D Printing MAKE-tank specializing in innovations in 3D printing architecture, and a co-founder of Forust, a start-up focused on wood waste and additive manufacturing. Her work is recognized by several institutions, including The National Building Museum, the Bellevue Museum, For Freedoms, and is included in the permanent collection of The Museum of Modern Art in New York, The Cooper Hewitt Smithsonian Design Museum, The San Francisco Museum of Modern Art, the CSMVS Museum in Mumbai, LACMA, and the Design Museum in London. San Fratello will serve as a role model and mentor for AMC researchers and students across partner institutions and will be engaged in a collaborative exchange that aims to bring state-of-the-art mobile robotic systems together with earthen spray and traditional wattle-and-daub construction methods to explore new paradigms in earth-centered construction. Her expertise in bridging traditional material practices with digital fabrication presents a unique opportunity to position this project at the intersection of architectural innovation, sustainability, and material research.

Dr. Ryan J. Sherman AMC-MERCATOR-FELLOW

Dr. Ryan J. Sherman, P.E., is an Associate Professor in the Georgia Institute of Technology (Georgia Tech) School of Civil and Environmental Engineering. His expertise encompasses the material behavior and structural performance of metallic wire-arc additive manufacturing (WAAM), as well as large scale structural testing, fielding monitoring of in-service structures, and steel bridge design and evaluation. His current research focuses on the use of WAAM to advance the design of steel structures and on integrating advanced testing and monitoring to validate performance. Professor Sherman currently serves as the Chair of the American Institute of Steel Construction (AISC) Additive Manufacturing Exploratory Task Force and leads the AISC AM Demonstration Bridge Project. He will be commencing a collaboration with AMC project A07 (Hensel/Kloft/Unglaub). The collaboration between Professor Sherman and AMC aims to develop, manufacture, and test a large-scale demonstrator to advance high-level research on AM of steel structures. The demonstrator will combine Professor Sherman‘s expertise in WAAM, material and structural testing, and bridge engineering with AMC’s strengths in advanced manufacturing, design optimization, and physical and virtual component testing. The research will encompass a range of topics, including the combination of semi-finished parts and WAAM nodal connectors manufactured with as-built surfaces. These innovations have the potential to transform the approach in modern structural engineering, enhancing strength, durability, and design flexibility. The Mercator Fellowship will concentrate on fatigue performance, buckling behavior, and large-scale component performance of metallic WAAM structures.
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