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WORKSHOP ON BRIDGE DESIGN Madrid, Spain, 2 September 2014 Organized by the Spanish Group of IABSE Supported by the University CEU San Pablo

Moxon Architects ©

Spanish Group of IABSE

University CEU San Pablo

Organizing Committee: M. Dolores G. Pulido, José Antonio Lozano-Galant, Fernando Madrazo Aguirre, Ignacio Payá-Zaforteza, Fernando de Porras-Isla, Roberto Revilla Angulo, Laurent Rus Jenni

Event overview Taking advantage of the presence of many of the most prestigious bridge designers worldwide for the IABSE Symposium Madrid 2014 “Engineering for Progress, Nature and People” (3-5 September), the Spanish Group of IABSE organizes the ‘Workshop on Bridge Design’. The aim of this event consists of promoting design, inspiring future generations and bringing together young designers with leading designers. It will feature talks by renowned Master and Junior speakers and an innovative workshop on bridge design guided by experts. A problem statement (footbridge) is provided at the end of this brochure for the proper development of the participants’ ideas prior to the workshop. A set of designs will be selected for their presentation during the IABSE symposium (September 5th) and a diploma will be awarded for the best designs. The workshop is aimed at Young Civil Engineers and Architects and students. The participation will be validated with ECTS in several Spanish Universities (such as CEU San Pablo, UPV, UPM, and UCLM, among others). After the workshop, the Meeting Up of IABSE will take place. This event is an excellent opportunity to meet both young and senior engineers and to be introduced into IABSE association activities in a peaceful environment (the Zarzuela Hippodrome of Eduardo Torroja). Registration to the workshop and the Meeting Up are both independent and optional.

WHEN? September 2nd, 2014 WHERE? University CEU San Pablo, Technological Institute, Campus Montepríncipe, Boadilla del Monte, 28668 Madrid PRICE? - 30€ (registration workshop, lunch, coffees, shuttle buses and drawing materials) - 30€ (registration Meeting Up, shuttle buses, cocktail) For the registration, please send us the filled registration form prior September 2nd.


Moxon Architects ©


The International Association for Bridge and Structural Engineering was founded in 1929. Today, IABSE has about 4,000 members in over 100 countries. The mission of IABSE is to promote the exchange of knowledge and to advance the practice of structural and bridge engineering worldwide in the service of the profession and society. To accomplish the mission, IABSE organizes conferences and publishes the quarterly journal Structural Engineering International (SEI), as well as reports and other monographs. IABSE also presents annual awards for outstanding achievements in research and practice. IABSE deals with all kinds of structures, materials and aspects of structural engineering.

Schedule: September 2nd 8:30 – 9:00 9:00 - 9:15

Registration Presentation of the event D. Nethercot Lectures (Session 1) J. Manterola and A. Martinez-Cutillas, L. Franck,”Design Inspirations” A. Serrano Corral, “Technique and aesthetics on bridge design” C. Bernal, “Being Structural Engineer” L. Rus, “Civil Engineers are in Demand; Where? and What Profile” Coffee Break Lectures (Session 2) M. Schlaich, “Slinky and other Stress Ribbon Bridges” M. Mingallón, “The Art of Engineering” C. Walker, “Building big bridges” F. Porras-Isla, “Madrid Río, Landscape as infrastructure” M. Carter, “Total Engineering Design: Bridges” Colloquium Session 1 and 2 Lunch Break Workshop on Bridge Design I. Firth J. Manterola and A. Martinez-Cutillas M. Schlaich F. Porras-Isla R. Revilla Angulo Meeting Up*

9:15 - 10:30

10:30 - 11:00 11:00 - 12:15

12:15 - 13:00 13:00 - 14:00 14:00 - 18:00

20:30 - 22:30

* For those participants properly registered. This event is optional and independent to the workshop.

September 4th 12:00 p.m.

Submission of the elaborated proposals via email


Communication by email of the selected proposals

September 5th During the Symposium

Presentation and award for the best design.


Participants: David Nethercot Imperial College London

Professor Nethercot is the current president of IABSE. He has more than 30 years experience of research, specialised advisory work and committee activity in the area of steel, aluminium and composite construction, being the author of some four hundred technical papers. He was Head of the Department of Civil and Environmental Engineering at Imperial College London, and is Past President of the Institution of Structural Engineers (IStructE). Some of the multiple prizes he has been awarded include: OBE in 2006, Charles Massonnet prize in 2008 and the Gold Medal from the IStructE in 2009.

Javier Manterola Armisén Carlos Fernández Casado, S.L.

Javier Manterola graduated in Civil Engineering from the Polytechnical University of Madrid in 1962. In 1964 he obtained his PhD in Civil Engineering from the Polytechnical University of Madrid and began to work at the Eduardo Torroja Institute. In 1966 he joined Carlos Fernández Casado S.L. as engineer and partner, where he has been working up to date and holds the position of President/C.E.O. For forty years the main line of his work has been the analysis and design, as well as construction counselling for bridges and unique buildings. Since 1976 Javier Manterola is Professor for Bridge Engineering at the Technical University of Madrid. Javier Manterola has participated in more than 230 projects in Spain, Europe and Latin America. The activity he has developed to mastery and for which he is known internationally is the design of over 200 bridges and viaducts, many of which are considered as the best structural realisations in Spain in the past 25 years. Javier Manterola has been conferred numerous national and international awards. He has published many articles in Spanish and international journals and has collected his experience and knowledge on bridges in a two-volume book, “Bridges - Notes for their Design, Analysis and Construction”.

Antonio Martinez Cutillas Carlos Fernández Casado, S.L.


Mr Martínez Cutillas has a long experience in the analysis and design of prestressed concrete bridges and composite steel-concrete bridges. He has been involved in more than 80 projects most of them which have been built in Spain, Europe and South America in Carlos Fernández Casado S.L. Since 1993 he is assistant professor in the Technical University of Madrid. Some of his most significant structures as senior engineer are: Bridges across the Ebro river in Zaragoza (1991): two incrementally launched curved concrete bridges of 48m span and Segura river bridge, Spain (1992) and a tied arch bridge with a span of 64 m.

Lee Franck Arup

Lee is a Chartered Structural Engineer working for Arup in their London offices. She joined in 2009 after graduating from the EPFL with a Civil Engineering degree, and is now part of a multidisciplinary building engineering group. She has participated in varied projects such as: The Timber Wave, Euralille Tower (Lille), Doha Education City HQ and the New Courtyard Entrance and Exhibition Galleries for the V&A Museum. Lee also collaborates with the B2P Charity, as well as the Kingston University, Nottingham University and the London Metropolitan University.

Álvaro Serrano Corral MC-2

Álvaro is Director of MC2 Engineering Consultant Office, part of the Typsa Group. He joined in 2002 after obtaining his Civil & Structural Engineering degree in the Technical University of Madrid. In MC2, he developes all manner of structural projects and construction procedures for both civil works (Widening of the Bridge over the Rande Strait, the Nalon Viaduct in the A-8 highway) and building structures (Espacio Tower, PwC Tower). Alvaro also colaborates, as Adjunt Professor, with the Technical University of Madrid.

Cristian Bernal Freelance

Cristian is a Structural Engineer graduated in 2004. He got an award for the first academic record from Castilla-La Mancha University and another as the third of Spain. During his nearly 10 years expertise he has taken part in a wide range of projects designing structures and managing the construction of buildings and, above all, bridges throughout different countries. Cristian was involved in the designing process and site management of the current highest bridge in Spain during his stage in Estudio AIA. This is a Cable-Stayed Bridge in Talavera de la Reina (Toledo) crossing the Tagus River, whose main span is 320 m long and the only leaning tower is 192 m high.


After graduating from the Swiss Federal Institute of Technology in 1995, Laurent carried out a Master Degree at the University of California – Berkeley – in dynamic analysis, and no-linear design of structures. He joined T.Y. Lin International in San Francisco as part of the long span bridge design team with particular emphasis on the New San Francisco–Oakland Bay Bridge (self-anchored suspension bridge). In 2002, he returns to Europe to join Arup Spain and supporting the development of heavy infrastructure projects. In the past few years, Laurent is an example of mobility within our profession with long term assignments to The Netherlands, Hong Kong/China and Canada while leading Bridge and Civil Structures practice in Spain whereby we would highlight his involvement in the Tender Design Competition for the Chacao Suspension Bridge in Chile and Definition/Reference Design of the New Bridge over the St. Lawrence River in Canada.

Laurent Rus


Mike Schlaich schlaich bergermann und partner

Prof. Dr. sc.techn. Mike Schlaich (born in Cleveland, USA 1960) is managing director of schlaich bergermann und partner, professor of conceptual and structural design at the Technical University of Berlin and certified German proof checking engineer. He studied civil engineering at the University of Stuttgart and ETH Zurich, and received PhD in civil engineering from ETH Zurich in 1989. Mike Schlaich has designed and supervised the construction of bridges around the world, including elegant pedestrian bridges in Europe as well as major cable-stayed road bridges in India and Hong Kong. Since 2002 he has been a member of the scientific committee of all four international footbridge conferences, the most relevant international gathering of footbridge specialists.


María Mingallón is a senior structural engineer with a degree in architecture. Her fields of specialization are parametric design and digital fabrication. Maria uses Nature as a source of knowledge and advanced digital computation as a tool for designing, analyzing and fabricating. She graduated in 2005 in Civil Engineering from UCLM and obtained a scholarship to complete her studies at Imperial College in London. From 2008 to 2009 Maria attended the Architectural Association School of Architecture and graduated with Distinction from the MSc in Emergent Technologies and Design. She has worked at ARUP since graduating as a Structural Engineer, where among other projects, she designed the two footbridges leading to the Aquatics Centre by Zaha Hadid Architects at the London 2012 Olympic Park. Maria is also part of the research unit FARMM (Facility for Architectural Research in Media and Mediation) at McGill University which focuses on parametric design and digital fabrication.

flint neill

Chris is a Principal Engineer at Flint & Neill Limited which he joined after graduation in 2004. He holds structural engineering degrees from the University of Cambridge and Imperial College. He has been responsible for the detailed design of the cable systems for the 3,300m bridge across the Messina Strait and the deck of the 1,550m Izmit Bay suspension bridge, due for completion in 2016. Other projects include: suspension bridge designs for the Fehmarnbælt link, Fabian Way cable-stayed bridge in Swansea and the transformation of the London 2012 Olympic Stadium.

María Mingallón

Chris Walker


Fernando Porras Isla Porras La Casta Arquitectos

Fernando de Porras-Isla is an architect Associate in Porras La Casta studio, founded in 1988. He is coautor of the Madrid Río Project, the bigest park built over a highway in Europe. Throughout the more than 6km of this park, the Manzanares River in Madrid is crossed by more than 20 bridges, both ancient and news. His works have been awarded nationally and internationally among others with the Hispania Nostra Heritage and Landscape Award, the Fad Landscape and City Award, or the Best Green Design awarded by the Chicago Athenaeum.


Matt is an Associate Principal in Arup’s New York office. He joined Arup in 1997 after graduating from Cambridge University and has worked on the conceptual and detailed design of bridges in North America, East Asia, Europe, Africa and Australia. He has specialized in long span cable supported bridges and complex structures in both steel and concrete with particular experience in seismic design of bridges and ship collision risk.

flint neill

Ian is Chief Operating Officer of Flint & Neill, part of the COWI Group. He joined in 1979 after graduating from Bristol University and became a Partner in 1990. He is well known for his work on the design, construction and maintenance of a wide variety of bridges, but he also has experience in building structures such as the London Olympic Stadium, the O2 Millennium Dome and the National Theatre. He is Vice president of the Institution of Structural Engineers (IStructE) and Chairman of the British Group of IABSE.

Matt Carter

Ian Firth

Roberto Revilla Angulo Estudio Diseño Ing.&Arq

de ra

Roberto has just established his own Bridge Design Company, Studio Design ra Eng & Arch. He has been working in APIA XXI from 1995 to 2011 after graduating as Civil Engineering, being head of the Structures Department since 2000. He also has a PhD and a degree in architecture. He is working as Associate Professor in the Technical University of Madrid. He was awarded in 2010 with the IABSE Prize to the professional career. He is well known for his work on the design and construction of many major bridge projects, specially for his contribution in Montabliz Viaduct and in the New bridge over Llobregat river.


Design requirements of the Footbridge over the Manzanares River in Madrid, September 2014

Bridge Location

Porras-Isla, F.

The regeneration of the Manzanares River bank took place between 2007 and 2011. These construction works leaded to the Madrid Río Project, a linear park with an area of 115 ha very close to the city centre of Madrid. This park is developed along the river course, which is artificially controlled by seven dams and its banks are delimited by walls made of concrete and granite. The main canalization dates back to 1955 but with the Madrid Rio project the protection of the river banks has been improved to prevent floods with a period of return of 500 years. The Madrid Rio project included the construction of a number of bridges and footbridges as well as the rehabilitation of the existing ones. Nevertheless, even today some connections can be improved over the Manzanares River. This is the case of the location of the current study presented in the left hand side.

Requirements 1. The workshop will be carried out in groups (ranging from 1 to 3 members). If not specified every enrolled participant will be considered as an independent group. To form groups of 2 or 3 people, their names will have to be submitted to the organization by email. 2. Every group will design a Footbridge over the Manzanares River in Madrid for both pedestrian and bicycle users. This structure must provide continuity to the Portugal Avenue (a major pedestrian axis disrupted by the Manzanares River). 3. Both the materials and the formal solution of the Footbridge must be in harmony with the monumental context of the surroundings (the Segovia Bridge, the Casa de Campo Park, the Virgen del Puerto hermitage and the Royal Palace). The location and a brief description of each of these monuments can be found in the following direction: V9OM-nEE.kpsSuhmnpICQ 4. The Footbridge must be conceived as an expression of the technology and language of the XXI century. Furthermore, the structure must represent a contemporary urban milestone.


5. The Footbridge must connect and be accessible from three points: the Portugal Avenue, the Madrid Rio Gardens and the Virgen del Puerto Avenue. These three locations are specified in the following direction: =zYWpV9OM-nEE.k7ABY5B854No 6. The Footbridge must be accessible for bicycles and blind and disable pedestrian. The design must also enable skaters (either on board or skates) using the structure without jeopardizing the comfort of other users. 7. The design of the supports of the Footbridge will take into account the existing tunnels across the banks of the Manzanares River at the location. These tunnels correspond to the M-30 an orbital motorway that circles the central districts of Madrid. These structures were built by the “cut and cover” system and are very close to the surface. A cross section of the location might be seen in the following drawings:

Documentation to be presented 1. Sketches that illustrate the relation between the new Footbridge and its surroundings (plan and elevation view with an approximate scale of 1:1000). The new routes and pathways introduced into the neighbourhood by the Footbridge will be indicated together with the modifications of the existing ones. It is important to take into account that the Footbridge is not an element just placed in the site. In fact, in a number of situations a set of actuations in the surroundings are required for the project to be successful. 2. Sketches (plan and elevation view) indicating the morphology of the Footbridge together with its basic structural typology. A major concern here is the way the structure rests on the ground because of the limitations imposed by the M30 tunnels. 3. Sketches (plan and elevation view) of the main details of the structure, including the construction process.

Bridge Location

Plan View

Porras-Isla, F.

M30 Tunnels


Porras-Isla, F.

4. Sketches to illustrate the illumination of the structure from an ornamental and functional point of view. 5. Sketches to illustrate the overall proposal and its insertion in the environment as part of the new urban landscape. The participants are free to use any drawing technique (such as perspective, collage, sketch or photomontage). 6. Brief descriptive report including: General conception and insertion in the surroundings, Structural conception, Functional conception to increase the users’ connectivity and comfort, Constructive conception.

Presentation format Each proposal will be sent by mail to the Spanish Group of IABSE ( The email will include the following information: Subject: Name of the Group (introduced in the registration form). File (Sketches and report in pdf). This file will include all the sketches of the proposal together with the report. The file should be organized in A3 sheets with a resolution of 300 ppp. The number of A3 sheets is limited to 6.

Deadline to send the email: 4th September 12:00 p.m. The announcement of the proposals selected for presentation during the IABSE symposium on 5th September will be carried out before 4th September 21:00 by email.


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