TRABAJO DE INVESTIGACION Nº 04.pptx

8/18/2019 TRABAJO DE INVESTIGACION Nº 04.pptx

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CONCRETO

ARMADOTEMA DE INVESTIGACIÓN 04

GARCIA APACLLA JHEYSONGUTARRA LARA DANILOHINOSTROZA TOLENTINO JEANOROCAJA MORAN ALDO PORRAS FLORES GERSON


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CEMENTO

CEMENTOS PORTLAND

TIPO I: DE USO GENERAL.

TIPO II: DE USO GENERAL, ESPECÍFICAMENTE CUANDO SE DESEMODERADA RESISTENCIA A LOS SULFATOS.

TIPO II(MS):DE USO GENERAL, ESPECÍFICAMENTE CUANDO SEA NMODERADO CALOR DE HIDRATACIÓN

TIPO III: CUANDO SE REQUIERE ALTA RESISTENCIA INICIAL.

TIPO IV: CUANDO SE DESEA AJO CALOR DE HIDRATACIÓN.

TIPO V: PARA EMPLEARSE CUANDO SE DESEA ALTA RESISTENSULFATOS.


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MATERIALESARTÍCULO .. RELACIONADO A LAS CARACTERÍSTICAS DE LOSMATERIALES QUE COMPONEN EL CONCRETO.


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AGREGADOS

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REQUISITOS DE

CONSTRUCCIÓNARTÍCULO .. RELACIONADO AL PROCESO CONSTRUCTI?O Y ELCONTROL DE CALIDAD DEL CONCRETO.


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CONSIDERACIONESGENERALES

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CONSTRUCCIÓN

• Se efectúan al nal de la jornada de trabajo o en interrupciones p(puentes, estructuras jas) o por imposibilidad de continuar con concreto.

• La reanudación del colocado (junta) debe garantizar la unión del nuevo con el eistente, para trabajar como una sola estructuralm!ue no debe permitir ningún movimiento.

D/3&%&!+/#' &!(%& 7 JUNTAS DE */"#(#+/! '&$#


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TIPOS MAS COMUNES DE JUNTAS DEDILATACIÓN O SEPARACIÓN

• Los materiales de construcción, por lo general, se ven sometidos epansiones o alabeos debidos a variaciones del contenido de "utemperatura ambiental.

• $stas tensiones no deben ser superiores a la resistencia interna d para no llegar a surarlo. %ara controlar los movimientos !ue gentensiones producidas en el interior de las estructuras, se recurre de 'ilatación.

D/3&%&!+/#' &!(%& C JUNTAS DE CONTRAC


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. D/3&%&!+/#' &!(%& C JUNTAS DE CONTRAC

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TIPOS MAS COMUNES JUNTAS DECONTRACCION

• $s un corte supercial en elconcreto, !ue se utiliza sobretodo para controlar la ubicaciónde las grietas ocasionadas por lacontracción del concretodespus !ue se "a endurecido.

ACERO DE


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ACERO DECONSTRUCCION


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TRABAJO DE INVESTIGACION Nº 04.pptx