Ultra High Performance Concrete

Utilizing UHPC in Façade Design

Ultra High Performance Concrete

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Characteristics

Compressive Strength 25,000 to 30,000 psi

Flexural Strength up to 6,000 psi

Direct Tension up to 1,450 psi

Ductility Greater capacity to deform and support flexural and tensile loads, even after initial cracking.

Abrasion Resistance Similar to natural rock

Impermeability Almost no carbonation or penetration of chlorides.

Steel

Pre-Stressed Reinforced Concrete

Sand Cement Quartz

Silica Fume Fibers (PVA or Steel)

COMPACT GRADATION

UHPC – Project Typology

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§  Infrastructure §  Architecture

§  Repair & Protection

- Facades §  Flat §  3D

- Screens §  Brise Soleil §  Louvers

- Structural §  Roofs §  Columns §  Mullions §  Curtain Wall

Façade Systems

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Envel Flat Panel Facade

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Rainscreen System

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Envel Flat Panel Facade

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Rainscreen System

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Structural Elements & Screens

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MUCEM

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Perforated Brise Soleil, Columns, Pedestrian Bridge

MUCEM

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Perforated Brise Soleil, Columns, Pedestrian Bridge

§  Perforated Brise Soleil §  Columns

MUCEM

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Perforated Brise Soleil, Columns, Pedestrian Bridge

•  384 UHPC panels that cover a total area of 15,000m2 (49,213ft2).

•  Each panel is 18 m2 [194 ft2] or 6m (19.6 ft) x 3m (9.8 ft)

•  7cm (2.7 in) thickness for the roof panels and 10 cm (3.9 in) thickness for wall panels

Dumbo Townhomes

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Louvers, 3D Panels Cast

Rendering – Alloy Design

Dumbo Townhomes

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Louvers

•  28 UHPC panels that cover a total area of 8,650 ft2.

•  Each panel is 18 ft x 11 ft •  Ribs 10 in •  Back pan ¾ in

•  Ribs taper from 4 in to 1 ¼ in thick

Liquid Wall

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Curtain Wall System – Prototype Design by Peter Arbour (RFR)

New Innovation - 3D Spray Facade

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Barrier System

•  Spray UHPC

•  Confidential Pilot Project

•  Utilizes integral ribs instead of secondary steel support

Typology of UHPC Design

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An Evolving Facade Material

Flat Panels Perforated

Panels 3D Panels Automated Flat Panels