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STRUCTURAL PROJECTS | 1

IDI ingenieros

STRUCTURAL PROJECTS Short-form portfolio

2 | STRUCTURAL PROJECTS

IDI ingenieros

THE COMPANY

IDI ingenieros

IDI Ingenieros is an engineering office founded in 2009. Its roots come from one of the biggest and more successful engineering offices in Spain, NB35.

IDI’s main objectives are:

#1 Innovation: Engineering is a constant changing environment. To be in the elite, research, technical development and investigation must be taken as seriously as production and customer service.

#2 Design: Our belief is that design is at the heart of quality and performance and, IDI’s design flexibility enables us to work with very large range of customers. The design must be adapted to respond to the different requirements of the customers and address the fundamental scope of their building project.

#3 Engineering: IDI prouds itself with the constant development of highly skilled engineers. Every one of our engineers must be part of our common project and, in order to achieve this, the personal development must run parallel to the development of our company.


IDI ingenieros’ dedication towards high quality and innovation - with the development of new software, extensive research in Madrid’s public university, Universidad Politécnica de Madrid, publication of technical articles - soon gained the confidence of various types of clients, ranging from architects to construction companies, which have chosen us as partners in the development of high-profile international projects. IDI Ingenieros has a broad experience in managing unique, high complexity structure projects around the world.

We are building the added value for our customers on three fundamental pillars:

INNOVATION: We are experts in drawing up thorough, ambitious and fringe designs ensuring, nevertheless, a technological solution on time and on budget. We are actively involved in different fields and stages of the construction process, from initial support in the design, through drawing up the Execution and Detailed Project, to the technical support, quality control and budgeting, in the final stage. We also participate in preparing and developing Expert Reports adjusted to customer requirements, be it an Architect, Engineering Consulting Group, Construction Company or Development Company.

DESIGN: We cooperate with some of the most reputed domestic and international Architectural Consulting Groups: Rafael de la Hoz, Patxi Mangado, Nieto-Sobejano, S-MAO, Shigeru Ban, among others. This highlights the care, understanding, respect and recognition of our structures towards the architectural design. Bridge design is the other main branch of our technical design. The design and calculations carried out for the High speed train bridges over Hachef Valley and the Mahrar valley (curved bridge), are a good example of our capabilities”.

HIGH QUALITY ENGINEERING: During the last years, our company’s engineers have designed some of the most characteristic structures in Spain, Morocco, Denmark, Argentina, such as: the High speed train bridges near Tanger; the Copenhagen Arena; the Corporate headquarters of “Telefonica”, “Repsol” and “Banco Santander”; Conference Halls of Pamplona, Merida, Avila, Zaragoza and Palma de Mallorca; Contemporary Art Museums of Cordoba and Alicante; Archaeological Museums of Oviedo and Malaga; hospitals, shopping malls; stadiums and sport buildings; residential buildings; building restorations, etc.

We can provide the flexibility of a young and open-minded group, as well as a broad experience in the field, proven by the remarkable unique structures in our portfolio.

Currently, we bank on our international reputation, shown in the Working Projects of High Speed Train Railway Line in Morocco, the Copenhagen Arena, Bicentennial Cultural Centre, Tour La Marseillaise, Iraq’s Hospitals, as well as in the seeking of functional and economic alternatives in the bidding of Construction Projects in foreign countries: Argentine, Denmark, Brazil, Peru, Panama, France, Morocco, Abu Dhabi, others.

The next pages will present some representative structures we have carried out during the last few years.


IDI ingenieros

Ongoing projects ............................................................... 6

Shopping Mall Vialia-Vigo .................................................................. 8

Shopping Mall “Palmas Altas” ............................................................ 10

Hubba Bubba Gothenburg .................................................................. 12

Pavilion For The Bruge Triennial ........................................................ 14

Finalized projects ............................................................. 16

Bicentennial Cultural Centre: Buenos Aires Post Office ...................... 18

Repsol Office Campus .......................................................................... 20

Copenhagen Arena .............................................................................. 22

“La Marseillaise” Tower ...................................................................... 24

High-Speed Railways Viaducts, Madrid ............................................. 26

Hospital Al-Shaab, Iraq ....................................................................... 28

Hospital Al-Hurriya, Iraq .................................................................... 29

General Court Building, Riyadh .......................................................... 30

Hito Office Building San Martin, Lima ............................................... 31

Arts And Technology Circle, Segovia .................................................. 32

Modern Art Centre, Córdoba .............................................................. 34

New Hospital Of Collado Villalba, Madrid ........................................ 35

Al Maadem Art Museum, Marrakesch ................................................ 36

Pools Expansion, University Campus, Ourense ................................... 37

Hospital Of Mostoles, “Rey Juan Carlos”, Madrid ............................. 38

Grupo Vocento, Madrid ...................................................................... 39

“Botin” Art Centre, Santander ............................................................ 40

Creative Workshop Quixote C.r.e.a, Toledo ........................................ 41

Cultural & Educational, Centre In Basauri, Vizcaya .......................... 42

Castellana 79, Building Façade, Madrid .............................................. 43

INDEX


Único Tower, Puerto Madero, Buenos Aires ....................................... 44

W- Sao Paulo Tower, Sao Paulo, Brazil ............................................... 45

Paper Pavilion, Ie Business School, Madrid ........................................ 46

Concept Design ................................................................... 48

San Pedro Arch, Chile ......................................................................... 49

5 Span Post-Tensioned Concrete Bridge Project .................................. 50

80 Metres Pedestrian Bridge Design .................................................... 51

Seismic Resistance ........................................................ 52

Regional Hospital Of Talca, Chile ....................................................... 53

Software Research And Development ...........54

IDI ingenieros

ONGOING PROJECTS


IDI ingenieros

SHOPPING MALL VIALIA-VIGO(High-Speed Train Station)Vigo, Spain

ARCHITECT: Thom Mayne MORPHOSIS – L35 – LAC ingeniería

The structure of the shopping mall is designed by the american architect Thom Mayne, winner of the Pritzker in 2005. The project is developped by the spanish architectural firm “L-35”.

The mall structure sits on top of the railway station of the high-speed line Vigo-Urzaiz.

The surface of the constructed building is over 100.000 m2. Aside from the main building (shopping mall), the design includes the construction of a two-story parking lot and public square of 25.000 m2 on top of the roof.

The structure for the train station consists of V shaped steel columns supporting the main steel girders with a North-South alignement. The main girders support a hollow core slab deck at the basement level.

The three top stories are conceived as in-situ reinforced concrete slabs of different thickness (35 cm to 60 cm) depending on the span lenght (8 m to 17 m). The length variation of the spans is due to the seeking of a balance between the existence of the railways, the complex geometrical shapes designed by the Architect, and the usage of the building.


The Central Atrium is a complex steel structure that rises from the train station platforms, by means of steel slanted columns, composite beams and steel decks.

The North façade, exposed to the Highway and thus the main view of the building, contains several utility tunnels and supports the roof of the building (holding the public square shaped as stadium stands). This façade is formed by bearing elements of irregular shape which are connected to the main structure of the building by horizontal beams.

A set of big steel beams also of irregular shape, placed each 8 m, enable the transition between the North Street and the roof.


IDI ingenieros

SHOPPING MALL “PALMAS ALTAS” Seville, Spain

ARCHITECT: L35 – LAC ingeniería

The Palmas Altas shopping mall is the biggest one to be constructed in the city of Seville. The surface of the mall is over 120.000 m2.

The structure consists of a concrete base, an underground basement and ground, first and second floors.

The horizontal structure is formed by waffled and solid slabs supported by a grid of concrete columns with spans of 8 m x 8 m. On top of the concrete structure rise up a set of steel frames of irregular shapes that support a big green roof.


IDI ingenieros

EXPERIMENTAL PROJECT

HUBBA BUBBA Gothenburg , Sweden

ARCHITECT: Selgas Cano

Experimental project, fully designed as a multidisciplinary team since the starting stage.

The design harnesses 2 old harbor ramps, used to load ships by train and trucks, to hang a multipurpose building over the canal.


IDI ingenieros

EXPERIMENTAL PROJECT PAVILION FOR THE BRUGE TRIENNIALBrügge, Belgium

ARCHITECT: Selgas Cano

Experimental project, for the Bruges Triennial 2018. The building was fully designed as a multidisciplinary team with architects.

The design introduces a curved pedestrian ramp in the narrowest part of the bridge, using a tube structure that allows to change flexion into torsion and again into flexion so that it can be held without any support in the canal. This ramp leads to a building that floats on the widest part of the canal.

IDI ingenieros

FINALIZED PROJECTS


IDI ingenieros

BICENTENNIAL CULTURAL CENTRE, BUENOS AIRES POST OFFICE, Argentina

ARCHITECT: Bares-Decker-Ferrari-Schanck

Restoration of the former Post Office, turned into a Cultural Centre. The main actuation consists of the enlargement of the main courtyard up to 50 x 52 m2, and of the covering of it with a “super-structure” , consisting in an orthogonal framework of 5170 mm height Vierendeel trusses. The main structure rests on an existing reticular structure of pillars and beams made out of reinforced concrete.

Another structure, which we named “Chandelier”, for it reminds us of the hanging lamps from the Palace’s main halls, hangs from the previously described structure.

The placing of the Vierendeel trusses is quite interesting and unique: each one of them rises to the roof level, at a height of 46 metres, made of post-assembled parts, and are pushed upon sliding supports, advancing 4 metres at each step, until the whole roof is in motion.

Once the structure and the pushing are done, the structure is jacked to its final position.


IDI ingenieros

REPSOL OFFICE CAMPUS Madrid, Spain

ARCHITECT: Rafael de la Hoz

Design and Calculation of the new REPSOL headquarters, unique for it is one of the greatest Building Projects with the largest post-stressed slab (when it comes to area) and with the greatest variety of elements involved using this technique.

In addition, we used composite concrete-steel beams for the roof (4 m height and a saving of 50% of steel material), which allow the five decks of the building to hang, with spans of 16 m, and hence the most emblematic zone remains clear.


IDI ingenieros

COPENHAGEN ARENA Denmark

ARCHITECT: 3XN

The redesign of the concrete structure underneath the roof, from in-situ concrete to pre-cast concrete, imposed high restrictions on the reactions the roof could transmit.

IDI developed a new design fulfilling those requirements by minimizing the number structural restraints and making the structure expand without opposing those restraints.In this type of singular structures, the construction process is as important as the design project of the structure. As in the service phase, the restrictions for the reactions transmitted during construction were very high.

A construction process based on 2-trusses blocks was developed only restraining one side, so that expansion was permitted to the east. The thread of lateral buckling, prevented too much freedom for the structure, so each of the steps had to be checked and carefully design to meet all requirements.

Design, calculation and construction process of the Arena’s roof structure.


IDI ingenieros

Execution phase of the Project “La Marseillaise” tower is a building designed by the french Architect Jean Nouvel. The tower is located in the bussiness district of the city of Marseille close to the CMA CGM tower by the Architect Zaha Hadid.

The 31-story tower, with a height of 135 m and a surface of 62 x 37 m, is composed of a concrete core, which provides the needed stability against wind loads, and an external steel structure of beams and columns.

The columns, one each 3 m, are arranged along the façade so that they help provide an appearance of uniformity and recurrence. The façade, made of glass-fiber reinforced concrete, is supported by the external columns.

A set of horizontal beams are placed each 3 m and they connect the concrete core with the external columns at the façade. These beams are designed as composite by taking into account the contribution of the compression head of the composite steel floor deck slab. The deck contributes greatly to the transfering of horizontal wind forces by working as a diaphragm that leads these efforts to the core.

“LA MARSEILLAISE” TOWER Marseille, France

ARCHITECT: Jean Nouvel BUILDING COMPANY: Vinci URSSA


The concrete core construction began just after the foundation works (pile driving). With the contruction works of the core still in progress, the external steel part was already being placed around the core in a spiral sequence. Throughout the contruction process, the elements being placed were tied to the concreted core and to the external columns by means of threaded rods to provide the required stability.

At an intermediate height of the tower there is a garden on a triple-height storey. There, the deck would not reach the façade, thus producing set back terraces.

The tower roof consists in a cage formed by steel slender tube sections. At the roof there is another garden as well as the service installations.


IDI ingenieros

HIGH-SPEED RAILWAYS VIADUCTS Hachef & Mahrar Valleys,Morocco

TANGER-CASABLANCA ROUTE BUILDING COMPANY: URSSA

Construction project for two bridges with twin-girder structureand double composite action at the Hachef and Mahrar valleys, in Morocco. These structures belong to the High-Speed Railway that will connect Tanger and Kenitra, in Morocco.

The construction project contains the calculation and design of the launching process and all its elements. The Hachef Bridge is 3500 meters long, overtaking the African record for this kind of construction process, solved by two diff erent launches, one from each end.

A program has been specifi cally developed for this bridge, that makes it possible to obtain forces and stresses taking in account the difficult longitudinal elevation shape with three different parts, a totally horizontal one, a 2,9 % steep one and a central curved part that connects the other two.

The Mahrar bridge is a much shorter one, 650 m, but iscurved in plan, again the project includes the design and calculation of the whole launching process and all its details.


IDI ingenieros

HOSPITAL AL-SHAABBaghdad, Iraq

ARCHITECT: Rafael de la Hoz Complete structural project


Complete structural project

HOSPITAL AL-HURRIYABaghdad, Iraq



IDI ingenieros

NEW GENERAL COURT BUILDING

ARRIYADH DEVELOPMENT AUTHORITYRiyadh, Saudi Arabia

ARCHITECT: Rafael de la Hoz Preliminary design


HITO OFFICE BUILDING COMPLEJO SAN MARTÍNLima, Perú

ARCHITECTS: Jean Nouvel Miguel Rodrigo Arquitectos FMZ Arquitectos

Alternatives study project of the unique structure designed for the 202,5 m height tower at Lima, with great seismic loads.

Lima is one of the worst places to built due to the intensity of its earthquakes. The building design by Jean Nouvel Architects had geometrical and structural irregularities, separating the mass center from the shear center in each plant, exciting the torsional mode. The different openings made in vertical, to introduce hanging gardens, created different “internal” vibration modes between parts of the building. Different pushover analysis, mixed with models that worked within the scope of time, coming up with accelerographs from the response spectrum, to calibrate the different damping devices introduced in the building.

All the analysis was done checking the American codes (large amount of information) and Peruvian codes (very short), comparing and checking differences.

Mixed structures (concrete core and steel beams and columns) were developed, with special care in the beam-column and the beam-core joints and its hinges.


IDI ingenieros

ENTREPRENEURS CENTREARTS AND TECHNOLOGY CIRCLE CATSegovia, Spain

ARCHITECTS: Sol Madridejos Juan Carlos Sancho (S.M.A.O).


IDI ingenieros

MODERN ART CENTRECÓRDOBA (C4)Córdoba, Spain

ARCHITECT: Fuensanta Nieto Enrique Sobejano

Complete structural Project. Construction Project.


NEW HOSPITAL OF COLLADO VILLALBA Madrid, Spain

ARCHITECT: FForwart – Ghesa



IDI ingenieros

AL MAADEM ART MUSEUMMarrakesch, Morocco

ARCHITECT: Fuensanta Nieto Enrique Sobejano

Preliminary design


POOLS EXPANSIONUNIVERSITY CAMPUS Ourense, Spain

ARCHITECT: Patxi Mangado



IDI ingenieros

NEW HOSPITAL OF MOSTOLES“REY JUAN CARLOS”Madrid, Spain

ARCHITECT: Rafael de la Hoz – Ghesa

Design Development of the unique elements of the structure


GRUPO VOCENTOCORPORATE HEADQUARTERS Madrid, Spain


Structural Design


IDI ingenieros

“BOTIN” ART CENTRESantander, Spain

ARCHITECT: Renzo Piano

Re-design of the structure (bid phase) Centro de Arte Botin. This study is carried out to meet the requirements of OHL and URSSA to complement the bid for the steel structure of the building “CENTRO DE ARTE BOTIN”.

What is required is a critical analysis over the proposed structure in the project.

To accomplish this, we developed a finite element model for the West building (the larger and heavier one) as well as for the central hanging zone, with composite formulation and reduced integration, including the effect of the shear effort and allowing elements to be unlocked.


CREATIVE WORKSHOP QUIXOTE C.R.E.AToledo, Spain

ARCHITECT: De Lapuerta Asensio

Structural Design of the Façade and the Roof


IDI ingenieros

CULTURAL & EDUCATIONALCENTREBasauri Vizcaya, Spain

ARCHITECT: Coll-Barreu Arquitectos

Structural Design


CASTELLANA 79BUILDING FAÇADE Madrid, Spain


Structural Design


IDI ingenieros

ÚNICO TOWERPUERTO MADEROBuenos Aires, Argentina

ARCHITECT: Francisco José Mangado

Remarkable project for its dynamic complexity, due to its straight exposure to the sea winds and the complexity of its surroundings (buildings of similar height that produced harmonic turbulences within a frequency range close to the ones from the tower - all of this tested in a wind tunnel in London).

The solution: a stiffness belt to get away from that range of frequency. We used models behaving within the scope of frequency and with response spectrums obtained from the wind tunnel tests.



W- SAO PAULO TOWERSao Paulo, Brazil

ARCHITECT: Aflalo & Gasperini

Alternatives study project of the structure designed.


IDI ingenieros

EXPERIMENTAL PROJECT PAPER PAVILIONie BUSINESS SCHOOLMadrid, Spain

ARCHITECT: Shigeru Ban - SSARQ

On March 20, The Japanese architect Shigeru Ban was at IE Business School in Madrid for the official opening of his latest construction, a temporary pavilion made of 173 paper tubes.

The Pavilion is located in the grounds of IE’s Madrid campus and will be used to host executive education events and other activities.


IDI ingenieros

CONCEPT DESIGNS

IDI ingenieros


SAN PEDRO ARCHChile

A study was carried out over the design of a walkway based on the Bowstring arch concept (enable horizontal stresses to compensate themselves so that only vertical stresses act on the supports and with NETWORK suspension cables, which free, to great extent, both the arch and the deck from possible bending moments produced by anti-funicular loads).

Consequently, we developed two simplified models for the analysis of the behaviour and the sizing of the structure. We tested a layout with NETWORK suspension cables and another with NIELSEN cables (this layout was tested because it is easy to execute and to build and thus less expensive). The models were developed with a span of 95 m and a rise of 13.85 m(according to the sketch we received; despite we got a different datum of 19 m by mail, we decided that 13.85 was acceptable as it is within the range of 1/7, common range for this kind of arcs under relative small loads).

NIELSEN suspension cables

NETWORK suspension cables


IDI ingenieros

5 SPAN POST-TENSIONED CONCRETE BRIDGE PROJECTMadrid, Spain

PROYECTO: UPM + Darío Galante Bardín

Remarkable project for its dynamic complexity, due to its straight exposure to the sea winds and the complexity of its surroundings (buildings of similar height that produced harmonic turbulences within a frequency range close to the ones from the tower - all of this tested in a wind tunnel in London-).

The solution: a stiffness belt to get away from that range of frequency. We used models behaving within the scope of frequency and with response spectrums obtained from the wind tunnel tests.


80 METRES PEDESTRIAN BRIDGE DESIGNMadrid, Spain

PROYECTO: UPM + Darío Galante Bardín

Our first thought was to get rid of the compressed element from the original design (by Robert Le Ricolais). Aside from this compression, there was a bending moment on the fixed-ends, which we deem contradictory because it forced the upper beam to bear a strong compression, which involves a great mass. Consequently, we anchored the stretched elements to the ground, trying to make this a viable solution. To get a stress transmitted to the ground that was realistic we changed the shape of the structure, by greatly reducing the clamping in both fixed-ends and trying to gather the greatest strength in the middle of the span.

After the analysis carried out over the original design, we re-designed the rings by, in the end, shaping them as ellipses. When it comes to foundation issues, we went around it by adding compression elements along the walkway axis, which served as deck as well. To reduce the effective length (buckling) to a length equal to the maximum span between consecutive rings, we designed a stressed junction point that enabled us to join the horizontal stiffness of the deck and the rings, by means of a set of crossed bracings. The next drawings show all the changes and specific designs of the walkway.


IDI ingenieros

SEISMICRESISTANCE

IDI ingenieros

“IDI Ingenieros” engineers, aside from the development of a great number of Structural Projects in seismic zones within the country of Spain, in which the consideration of seismic efforts is mandatory according the standard NCSE-02, have taken part in the development of projects of great dynamic complexity in Chile as well as in Romania. In the case of Romania, the building presented a great asymmetry that caused a unusual tendency to twisting.

We have considerable experience with several seismic isolation systems, for instance: base isolators (Chile Hospital), hysteretic dampeners and viscose dampeners. We also have broad experience in dynamic systems, and done research at the “Politecnica de Madrid” University (currently researching the dynamic component in curved bridges -doctoral thesis).

We have carried out studies within the scope of frequency and within time, developing accelerographs that show the behaviour of the Seism, and the ensuing integration of the model by means of implicit formulation, which yields the behaviour in the most delicate point but also during the incorporation and subsequent dissipation of energy (within the scope of time).


REGIONAL HOSPITAL OFTalca, Chile

We prepared a Technical Assessment Report of the structures of the Regional Hospital of Talca in Chile.

To achieve this task, we perused the Project documentation as well as other technical documents as, for instance, the Geotechnical Report. Also, we developed some simplified computer models.

The buildings stand in Talca, a seismic zone of type III according to the Chilean seismic map, whilst according to the Geotechnical Report the ground is classified as being of type II.

The building, since it is a Hospital, is a class A building. In accordance with the data we have worked out the response spectrums that would be used in the simplified models, to assess both the project and the possible improvements that were proposed.


IDI ingenieros

SOFTWARE R&D

IDI ingenieros


IDI ingenieros

SOFTWARE R&D

Mathematica FEM program to design and calculate curved bridges, with 7 degrees of freedom, including warping and shear. Parametric development of the differential equations that control the behaviour allow to have instant control on the models. The software includes 5 modules:

■ Geometric module: Different types of directives can be selected (circular, funicular, antifunicular and free). The directives are developed directly from the variables that determine the different shapes and can be varied at any stage.

■ Matrices and assembly: 7 degree of freedom frame stiffness matrix Assembly.

■ Equation parametric solver.

■ Results interface: Geometry, forces and displacements are shown for all the elements: deck, pile, tensors…

■ Optimization module: Allows the designer to identify any problem in the performance of each element.


SOFTWARE R&D

Mathematica self-weight software for tensile structures. This program transforms any prestressed element into equivalent external forces that allows the designer to develop nonlinear hypothesis.

These types of hypothesis are usually used for tensile structures under self-weight load.


IDI ingenieros

SOFTWARE R&D

Mathematica Dynamic software. This program allows the designer to obtain the modal frequencies for any structures. The mass matrix allows to introduce directional and rotational mass in the nodes.

f(Hz) Mode 1 Mode 2 Mode 3 Mode 4 Mode 5 Mode 6

T1P 1.37061 1.49044 2.04317 3.01521 3.63314 5.12375

T4P 1.31914 1.48039 2.09667 2.40452 3.85237 4.12578

T3P 1.130993 1.48687 2.05411 2.55118 4.15517 4.71617

T5P 1.0261 1.48097 1.87044 2.4559 3.03341 4.6438


SOFTWARE R&D

Mathematica load integration software. This program integrates all types of surfaces, including non-parametric surfaces (defined by points coordinates), with any type of coefficient function, to obtain superficial load product. This program is very helpful for irregular building under wind and snow loads or even to develop the budget for the façade

(Figure: different alternatives for Gothenburg “floating building”).


IDI ingenieros

LAUNCHING BRIDGES PROGRAM DEVELOPED IN VISUAL BASICS USING SAP2000 API INTERFACE

The software analyzes the deck during the launching and obtains the stresses and deflections at each step. The reactions of the supports are critical and are obtained by means of a second order calculus in order to take account of the influence of the geometry of the bridge (longitudinal elevation shape + precamber).

Enveloppes graphs for bending moments, shear and patch-loading are obtained for a each launch, as well as the security coefficients according to the code:

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IDI INGENIEROSC/ Altamirano 36 Bajo D Madrid 28008

Tel: (0034)91752 3705 - 687406306 - 648029249 E-mail: [email protected]

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