Ice Hockey Arena Milano-Cortina 2026 Winter Olympics Thesis [Section 5]

LONGITUDINAL SECTION

In the section, we see clearly the effect of the floating roof whcih we aspired, the disconnection in the facade and the cantilever effect on the edge, while the structures extend reaching the main columns, holding a catanery structure, allowing for a vast area to be supported free of columns,

Another expression this section provides is the effect of platforms with the voids and the relation created in between. The close-up effect of stadium seats for a better fan atmosphere is expressed as well.

TRANSVERSAL SECTION

In addition the previous assets provided by the longitudinal section, the transversal one allows us to see the extra ice-rink provided under the hill, benefiting from the space provided and allowing for a warm-up and practice area for the players.

BUILDING DESIGN

MANIFESTO

A strong one focal point to explain the project would be a 3D section, cutting through different scenarios in our sport hall. It expresses the beginning experience, from the park, into the project, all along as it reaches the stadium seats. A strong presentation of light, transparency, fluidity in circulation, and continuous visual relation between different spaces.

3D VISUALIZATION

THE JOURNEY

WHERE THE EXPERIENCE BEGINS

As mentioned before, our project is connected to an already existing boulevard of Santa Giulia, and this perspective shows excatly how that boulevard was extended into our project, forming the main circulation hub for the people, allowing them to pass through different phases from residential buildings with shops on ground floors, to a wide green park full of sport activities and green hill. As the person walks throuh the project, he or she can’t be overlook the designed roof, having a floating effect over a wide frosted-glass facade, surrounding the whole project from all perspectives. Such 2 architectural elements, welcome the fans and the users, into in an unforgettable experience inside the sport hall, with different functions and facilities which one can enjoy with one-another. The experience in Santa Giulia does not end, as the design invites the user to come again.

THE PIAZZA

Approaching the stadium, a wide square hosts the fans on game days, and the community on the other days. In conclusion, an active piazza for everyday, where various events and sport activities will take place, being surrounded by a green sport park with different track-and-sport fields.

OVERVIEW EXPERIENCE

INTERIOR SPACES AND AXONOMETRY

We have demonstrated, in the previous perspectives, the external and the internal atmospheres, while showing how the different dialogue the person can have inside the sport hall, with the different terraces and platforms overlooking each other, connected by parallel stairs on the edge of the slab, for a continuous perception of the interior hall. The wide gallery, where the main circulation happens, demonstrates a typical milanese architecture, allowing for the flow of people and serving the different functions on both sides. The platforms can be either connected by stairs or by an expository esplanade, These platforms can be access either from the ground floor level or by taking up the sided stairs on the exterior, and reaching the upper level. A walk along the mountain, an experience which can be given in our context, as the person can walk up the pathways to reach the desired destination, bringing a sort of elevation for a better and higher experience of the surrounding park. The axonometry, shown in this case, clearly expresses how the circulation can happen, how the play between the full and void between slabs, and the importance of the gallery along with the lights and shadows given by the frosted-glass cover on the roof.

THE OVERALL EXPERIENCE

VOLUMETRIC RELATIONSHIP WITH SURROUNDINGS

Our project is designed with an interesting masterplan, full of activites of different typologies, from sport park to green park, athletic and running tracks, football and basketball fields...etc. Such variation brings value into the area, with different possibilities and plenty of options for one to enjoy the new area of Santa Giulia, and specifically the sport hall. The roof design of our project is expressed into a series of 3 rinkgs, with the ETFE membrane being the center of it, allowing for diffused light into the interior atomosphere. Hence, transparency is achieved from on the both ground levels with frosted-glass facade, and achieved throught the allowance of light penetration of our roof materials.

The strong relation of our sport hall is in its surroundings, the different building typologies in the area, residentials, commericals, CBD, and even nursery school. The sport hall is surrounded by different facilities, attracting different users for various intentions.

DETAILS

Tension structure grid with ETFE membrane modular covering.

Tempered Glass panels attached to non-structural mullions.

Secondary and terciary steel beams type RHS 250x150 / 10 supporting glass mullions

Perforated steel sheet pannels facade.

Facade pannels anchorage

Sandwich corrugated steel double-layer pannels

Terciary steel beams type RHS 180x100 / 5.

Primary and Secondary steel beams type RHS 500x300 / 16.

Primary steel beams type RHS 500x300 / 16.

Opaque roof hanging ceiling.

Reinforced concrete upper seating grades with seatings attached laterally

Reinforced concrete “fingers“ (Beams).

Reinforced concrete columns (D = 800mm).

Reinforced concrete columns (d=600mm)

BUILDING STRATIGRAPHY

The building stratigraphy defines the basic elements of the construction. It is important to highlight that the chosen aspects of the facade (the 3 translucent rings) added complexity in the construction process. Every kind of roof must be sustained by a particular substructure that overpasses different spans. This aspect requires a robust substructure in each of the rings and creates a challenging arrangement.

Gallery + Roof connection

1.FRP Sandwich panels

2.FRP Framing

3. Tertiary beams

4 Perforated Steel framing

5. Composite Sandwich Roof Deck

6. Perforated Steel panels

7. Secondary beams

8. Insulated vertical closure in Gympsum

9. Primary beams

10.Suspended Ceiling

GALLERY + ROOF CONNECTION

10.Concrete Filling

.Bolt11

.Gypsum12 board Panel (12mm)

13.L steel angle anchored to panel

14.Screed

15.Epoxy Paint

One of the biggest challenges in the project was connecting 3 kinds of roofs of different types. In the connection between the Gallery and the Roof, a continuity of the primary beam was established and this created a complex arrangement of secondary and tertiary structure over the Gallery in FRP and the Roof.

Ceiling Cladding

CEILING CLADDING

RHS1. 500X300/16

1. RHDS 500X300/16

2.Connection Plate Rigid3. Insulation

2. Connection plate

4.Gypsum Board

5.Cold Rolled C Profile

3. Rigid Insulation

6.Steel Connection Welded Plate

4 Gypsum Board

5. Cold rolled profile

6. Steel connection welded plate

200x200/12mm

ETFE DOME + GALLERY CONNECTION

Gallery + ETFE connection

1.ETFE Dome Framing

2.ETFE 3 layers cushion

3. Connncetion with FRP framing

4 FRP Sandwich

5. Tertiary structure

6. Secondary beams

7. FRP Frame connected to beam

ETFE Structure Detail

EXTERIOR FACADE

The exterior facade is composed by a curtain wall protected by a perforated steel layer projected beyond the limits of the walls. This offers not only sun shading, but also gives a translucent look that invites the spectator to come in and discover the architecture.

Ceiling Cladding

1. Metal Panel Siding (5mm)

2. Zinc Panels

3. Horizontal profile

4. Aluminum bracket

5. Vertical T Profile

6. Rigid Insulation

7. Cold rolled channels

8. Soft Insulation

9. Fire resistant indoor panel (20mm)

10 Acoustic insulation

11. Channel base profile

13. Discontinuous L angle

14. Gypsum board panel (18mm)

15. Steel plate

16. RHS 500x300/16 mm

Ceiling Cladding

1. Double Glazing

2. Aluminum mullion

3. Alluminum transom

4. Steel bracket anchored to slab

5. Bolt in elongated hole

6. Steel slab angle

7. Steel composite deck

8. Shear stud

9. Slab Reinforcement

10. Concrete filling

11. Bolt

12. Gypsum board panel (12 mm)

13. L steel angle anchored to panel

14 Screed

15 Epoxy paint

BUILDING SERVICES DESIGN

HEATING AND COOLING LOADS

CALCULATION

SUMMER COOLING LOADS CALCULATION

SUMMARY OF THE APPROACH FOR OUR ALL AIR SYSTEM

QTOTAL = QSensible +QLatent (Table 16)

Where the sensible load is:

Where:

�� - External opaque structures (Table 8)

�� ���� - Opaque structures not conditioned spaces  Not considered in this simplified approach

�� �� - Opaque structures conditioned spaces  Not considered in this simplified approach

�� �� - External transparent structures (convection) (Table 7 and Table 8)

�� - External transparent structures (rad.) (Table 8) ���� �� – Ventilation  Not considered for All air systems

�������� �� - Internal loads ( Table 9 and Table 10) (thermal bridges were neglected)

And where the Latent load is: ���� = ���� �� + �������� �� (Table 11)

Where: ���� �� – Ventilation  Not considered for All air systems

�������� �� - Internal loads ( Table 10)

Starting with the calculations, we need to input the weather, the comfort, and basic parameters, as the air flow change rate (Table 4).

Table 4. General data of the Project. Source: Prof. Francesco Romano/Authors

To reach the air flow change rate, we must use the norm UNI10339 parameters (Table 5 ) and use our area inputs (Figure 79 ).

Sports Hall Areas Description and Entrances walls dimensions. Source:

Table 5. External airflow rate calculation. Source: Authors

To proceed with the calculations, we must set our simplification approach for the lump sum (Figure 80) , approximating our elliptical shape to a shoebox and making an average of the materials properties (Table 6) presented.

Lump sum approach

We will do a weighted envelope materials average, according to materials areas and projecting the ellipse in a shoe box

Roof Slab

A = 7346 sqm

U = 0.25 W/sqm.K

Wall

At = 4646 sqm

U = 1.22 W/sqm.K

Roof Lights (ETFE+Glass cover)

A = 12298 sqm

U = 1.70 W/sqm.K

(Weighted average curtain wall and perforated steel)

Figure 80. Lump sum approach. Source: Authors.

Table 6. Material Data used for the Lumpsum approach. Source: Authors

Going further, we set the conditions for our envelope (notice that we are using only curtain walls in the limits) (Table 7).

Table 7. Envelope Data. Source: Prof. Francesco Romano/Authors

With that we can operate a hour-by-hour calculation of external loads and find the maximum summer sensible design load (Table 8).

Table 8. Summer Maximum Sensible Load Calculation. Source: Prof. Francesco Romano/Authors

The next step now is to calculate the Latent loads for our case. We start calculating internal loads (based on the norm EN 12831) (Table 9 and Table 10) and continue on calculating these internal loads on a hour-byhour approach to reach the maximum latent load (Table 11).

Table 9. Internal Loads Calculation. Source: Authors

Table 10. Internal Loads distribution during the day. Source: Prof. Francesco Romano/Authors.

Table 11. Summer Maximum Latent load calculation. Source: Prof. Francesco Romano/Authors

WINTER HEATING LOADS CALCULATION

SUMMARY OF THE APPROACH FOR OUR ALL-AIR SYSTEM

������ �� = ����,i + ����,i + ��ℎ�� �� (Table 15)

Where:

����,�� - Thermal dispersion by transmission [W] (Table 12)

����,i - Thermal dispersion by ventilation [W]  Neglected for being an All-Air System

- Extraction power needed for compensating the effects of the intermittent heating [W] (Table 14)

The dispersion by transmission is calculated as the following: ���� = ����,i�� + ���� ������ + ����,ia + ���� ���� (Table 12 and Table 13)

Where:

����,ie = Thermal dispersion by transmission of heated spaces towards external [W] (Table 12)

���� �� ���� = Thermal dispersion by transmission from a heated space towards an unheated space [W] (Table 13)

���� ���� = Thermal dispersion by transmission from heated space towards a heated space at different temperature [W]  Not considered for not having such condition

���� ���� = Thermal dispersion by transmission from heated space towards ground [W] (Table 12).

The dispersion by Ventilation in the All-air system is done by the AHU, therefore Qv=0

The dispersion for Heating Up is calculated as the following:

��hu,i = ���� ��ℎ�� �� (Table 14)

Where:

���� - surface of the heated space [m²]

��ℎ�� �� - correction factor [W/m²]