DESAFIOS EM EDIFICIOS ESPECIAIS - IBRACON
Transcript of DESAFIOS EM EDIFICIOS ESPECIAIS - IBRACON
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DESAFIOS EM EDIFICIOS
ESPECIAIS
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VENTO – TUNEL DE VENTO
SISMO
RESISTÊNCIA AO FOGO
ELUS ELSSDESEMPENHO
CARGAS MINIMAS
ANÁLISE DINÂMICA
2ª ORDEM: gz / P-Delta
ANÁLISE INCREMENTAL
TORÇÃO
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BROOKFIELD TOWERS
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Alpha Sigma
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4o Pav.
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15o Pav.
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26o Pav.
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Ventura Towers
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Andar tipo. h=40 cm, L=14 m
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TORRE IV
TOWER BRIDGE
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Site with 23,810 sqm
Porto Maravilha Redevelopment Zone
Three phase development with 180,000 :
140,000 sqm of offices in two
phases with 1,900 parking spaces
40,000 sqm of a multi-use project
(including hotel, residential and
retail)
Designed by Foster + Partners
LEED Gold Certification
Class AAA amenities
Landmark in Rio de Janeiro
PATIO DA MARITIMA
AQWA - RJ
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Criação da Geometria
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ESTUDOS PRELIMINARES
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PILARES EXTERNOS A FACHADA
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APROXIMANDO PILAR DA FACHADA
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Opção 1:Pilares Verticais com Bordas Inclinadas
Opção 2Pilares Inclinados com Bordas Inclinadas
Pilares Verticais + Bordas Inclinadas da opção 2
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Inclinação das Megacolunas
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Axonometria
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95
m
33 m
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19,8 o
13 o
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EFEITO DE TORÇÃO DO EDIFICIO
EFEITO DE 2ª ORDEM NÃO PODE SER AVALIADO PELO gZ
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PROJECT DESIGN
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ZONA BAIXA – L01 AO L11
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ZONA MÉDIA – 13 AO L19
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ZONA ALTA – 20 AO PAV. MEC.
Deformação máximapp + permanentes + sobrecarga = 10,5 cm Vento = 2 cm
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Modelo 3D - TQS
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PROJETO EXECUTIVO
Subsolos e Térreo – concreto
Núcleo – concreto
Perímetro da Torre - Mista
Precisão e Prazo
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SUBSOLOS
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FUNDAÇÃO
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Lajes protendidas de 22 cm com capitéis de 40 cmVãos de 12 m e 14 m
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ZONA BAIXA – L01 AO L11
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ZONA MÉDIA – L13 AO L19
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ZONA ALTA – L20 AO PAV. TEC.
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Estrutura Mista de concreto armado e aço
Base e núcleo em concreto
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Detalhe do arranque das “Mega-colunas” em aço com núcleo em
concreto
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Detalhe do arranque das “Mega-colunas” em aço
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Detalhe das ramificações “Y” das “Mega-colunas”
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CUIDADOS COM INTERFERÊNCIA DE ARMADURAS
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INSERTS E CONES DA FORMA TREPANTE
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CHUMBADORES DAS COLUNAS METÁLICAS
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DETALHE EXECUÇÃO DAS
ABAS DAS FACHADAS
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Tecnologias e soluções não convencionais
• BIM (foco na estrutura e fachada).
• Pilares de aço tubulares e concreto armado de
alta resistência.
• Abas descendentes.
• Testes dinâmicos em fachada de grande
dimensões.
• Scanner para controle de posicionamento da
estrutura.
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Nuvem de Pontos
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Escala de
Cores
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Quantidades
Area : 110.560 m2
Subsolos, Térreo e Núcleo da Torre
Concreto 50 Mpa : 22.363 m3
Armadura frouxa : 3.281.382 kg
Armadura Protendida : 85.879 kg
Estrutura Mista
Aço : 4.500 ton
Concreto : - Steel deck 35 Mpa : 8.063 m3
- Pilares 50 Mpa : 1.137 m3 (AUTO ADENSÁVEL – CONCRETAGEM 12m DE ALTURA)80 Mpa : 71 m3
Armadura frouxa : 762.624 kg
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