I N T E R N E T S T R A T E G I E & D I G I T A L E M A R K E T I N G
T e iii_fernandez_retamales_
Transcript of T e iii_fernandez_retamales_
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BALOON FRAME MADERA LAMINADA
PROFESOR: JUAN LUIS RAMIREZALUMNOS: ALEJANDRO FERNANDEZ / CRISTIAN RETAMALESNIVEL: X AFECHA: 27/07/2010TALLER DE ESTRUCTURAS III
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ORIGENES
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ORIGENES
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ORIGENES
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ORIGENES
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CHILE……
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CHILE……
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COMPONENTES DEL SISTEMA
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DIMENCIONES DE LA MADERA
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RESISTENCIA
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LIMITACIONES
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DEFINICIONES
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ELEMENTOS DE UN TABIQUE
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ELEMENTOS DE UN TABIQUE
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ESTRUCTURACION
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FORMACION DE VANOS
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ENCUENTRO DE TABIQUES
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MADERA LAMINADA
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Es una manera de trabajar la madera en estructuras en que se empalman laminas o tablas adheridas, constituyendo en conjunto dimensiones y formas a las que la madera natural no puede llegar. Esto se logra por la unión mediante adhesivo de las tablas y/o láminas a través de sus cantos, caras y extremos, conservando la dirección de sus fibras, y conformando un elemento no limitado en escuadría ni en largo, al que se le puede también de este modo prediseñar su forma, y que funciona como una única unidad estructural.
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LAMINADO CON UNION TIPO FINGER JOINT
LAMINADO HORIZONTAL LAMINADO VERTICAL
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El adhesivo utilizado es generalmente resorcinol formaldehido o alguno de sus derivados y luego el paquete se prensa con kg de presion, temperatura y humedad controlada en un proceso que se denomina prensado de fragua
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El espesor óptimo de las lamelas oscila entre los 19 [mm] y los 50 [mm]. La caras deben estar absolutamente lisas y cepilladas al aplicar el adhesivo. Y los extremos generalmente se empalman con un ángulo de 45° para aumentar la superficie de adherencia. La humedad adecuada en que debe usarse la madera es baja, oscilando entre un 8% y un 13%.
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ALGUNAS VENTAJAS DE LA MADERA LAMINADA
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ALGUNAS DESVENTAJAS DE LA MADERA LAMINADA
•Comparadas con la madera sin laminar, son mas costosas.•El adhesivo debe estar condicionado al uso que se le dara al elemento. Los adhesivos para exterior deben ser importados a alto costo.•Se necesita para su fabricacion equipos y técnicanas especiales.•No se pueden producir en obra, lo cual obliga complicaciones de transporte•Elementos de gran longitud o curvatura son dificiles de manipular•A pesar de la buena relación peso/resistencia, son elementos pesados y que requieren maquinaria para ser manipulados en obra.
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LIBERTAD FORMAL
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La madera laminada permite alcanzar formas y escuadrias que la madera tradicional no.
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Casa Müller, Zapallar
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Hospital Militar de La Reina
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Hospital Militar de La Reina
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Hospital Militar de La Reina
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Planta industrial Ignis Terra , Villa Alemana
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Supermercado Economax, Puente Alto
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Supermercado Economax, Puente Alto
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Piscina Las Brisas,
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Oficinas generales Oxxean, Puerto Montt
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Oficinas generales Oxxean, Puerto Montt
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Pasarela Las Toscas, Chillán
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Parroquia Inmaculada Concepción, Colina
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Piscina SPA club, Providencia
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Piscina SPA club, Providencia
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Dado que son elementos fabricados en industrias y
luego llevados a la obra, las dimensiones y formas muchas
veces estan sujetos a condiciones de transporte.
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UNION DE VIGA CON APOYO DE CONCRETO – PREVENCION DE RAJADURAS
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UNION DE VIGA CON APOYO DE CONCRETO – PREVENCION DE RAJADURAS
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UNION DE VIGA CON APOYO DE CONCRETO – PREVENCION DE RAJADURAS
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BARRERA CONTRA LA HUMEDAD – CONTACTO DIRECTO VIGA/APOYO
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PREVENCION DE DAÑOS POR DEFORMACION DE VIGA
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DRENAJE EN CONECTOR METALICO – PROTECCION CONTRA LA HUMEDAD
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APOYO PILAR – PREVENCION DE DAÑO POR CONTINUIDAD DE HUMEDAD
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PERFORACIONES OVALADAS PARA PREVENIR RAJADURAS POR DEFORMACION
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FACTORES DE TERMINACION ARQUITECTONICAS RELEVANTES PARA ELEGIR TIPO DE LAMINADO
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COMPORTAMIENTO FRENTE AL FUEGO
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TABLAS DE PREDIMENSIONAMIENTO
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