Durabilidad del hormigón estructural ing klimczuk ing pizzutti
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Transcript of Durabilidad del hormigón estructural ing klimczuk ing pizzutti
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Ing Klimczuk e Ing Pizzutti
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Cemento
Agua
Agregados
Adiciones
Aditivos
Fibras
Agregados
Agua
Cemento
Aire
Agua Cemento
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200
Materiales naturalesAvances en diseño
estructural y arquitectónico
1700 1900 ‘40 ‘70
Aparición del cemento Portland
Aplicación de ciencias básicas
Investigaciones sobre el C.P.
Producción del acero y del HºAº
Técnicas constructivas2da GUERRA MUNDIAL
Criterios conservadores
2008
Cronogramas lentos
CRISIS DEL PETRÓLEO
Gran demanda de construcciones
Sustentabilidad ambiental
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ESTRUCTURA
AgentesFÍSICOS
AgentesQUÍMICOS
TIEMPO
DETERIORO
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Tiempo
ReparaciónEstructura
con patología
Mínimo
Estructura sin patología
Com
port
am
iento
Inicial
Vida Útil
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Norma Europea EN 206 50 a 100 años
CIRSOC 201 M 50 años
Autopistas de la HFRW 75 años
Puentes en Inglaterra 120 años
Euro-túnel Canal de la Mancha 200 años
Contenedores de Residuos Radiactivos 500 años
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REDUCIR LA TASA DE DETERIORO
SE INCREMENTA LA VIDA ÚTIL
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78%
5%
3% 14%Falta de Detalles
Materailes
inadecuados
Errores de Cálculo
Concepción general
51%
37%
7% 5%
Ejecución
Proyecto
Uso y Mantenimiento
Materiales
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2002
1991
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Resistencia Durabilidad
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