procedimento constructivo piso postensado
TRANSCRIPT
WAL*MARTWAL*MARTIsos postensados
WAL*MARTWAL*MART
195419541954 Creation of a post-tensioning department by Losinger - VSL = Vorspann System LosingerCreationCreation of a postof a post--tensioning department by Losingertensioning department by Losinger -- VSL =VSL = Vorspann System LosingerVorspann System Losinger
195619561956 First application of the VSL Post-Tensioning SystemFirstFirst application ofapplication of thethe VSL PostVSL Post--Tensioning SystemTensioning System
196019601960 First Licence Agreement with Universale Bau-AG in AustriaFirstFirst Licence AgreementLicence Agreement with Universalewith Universale BauBau--AG inAG in AustriaAustria
196619661966 Founding VSL Prestressing (Aus.) PtyFoundingFounding VSLVSL PrestressingPrestressing ((AusAus.).) PtyPty
198319831983 Founding of VSL Thailand LtdFoundingFounding of VSLof VSL Thailand LtdThailand Ltd
196519651965 Development and first commercial application of the VSL Strand PT SystemDevelopmentDevelopment andand firstfirst commercial application ofcommercial application of thethe VSLVSL StrandStrand PTPT SystemSystem
HISTORYHISTORY
199019901990 Acquisition of the Losinger Group by BouyguesAcquisition ofAcquisition of the Losinger Group bythe Losinger Group by BouyguesBouygues
199219921992 Launching of the Specialist Contractor concept - Strategy of management control of licenseeLaunchingLaunching ofof the Specialist Contractorthe Specialist Contractor concept concept -- StrategyStrategy of managementof management controlcontrol ofof licenseelicensee
199719971997 Creation of VSL China, VSL Argentina, VSL Mexico, VSL Middle EastCreationCreation of VSL China, VSLof VSL China, VSL ArgentinaArgentina, VSL Mexico, VSL Middle, VSL Mexico, VSL Middle EastEast
198519851985 Grouping of VSL Entities under the VSL Group banner GroupingGrouping of VSLof VSL Entities under theEntities under the VSLVSL Group banner Group banner
198919891989 Acquisition of the Stronghold Group by BouyguesAcquisition ofAcquisition of the Stronghold Group bythe Stronghold Group by BouyguesBouygues
199819981998 Creation of VSL South Africa, VSL Polska, VSL BeneluxCreationCreation of VSLof VSL South AfricaSouth Africa, VSL , VSL PolskaPolska, VSL , VSL BeneluxBenelux
195419541954 Creation of a post-tensioning department by Losinger - VSL = Vorspann System LosingerCreationCreation of a postof a post--tensioning department by Losingertensioning department by Losinger -- VSL =VSL = Vorspann System LosingerVorspann System Losinger
195619561956 First application of the VSL Post-Tensioning SystemFirstFirst application ofapplication of thethe VSL PostVSL Post--Tensioning SystemTensioning System
196019601960 First Licence Agreement with Universale Bau-AG in AustriaFirstFirst Licence AgreementLicence Agreement with Universalewith Universale BauBau--AG inAG in AustriaAustria
196619661966 Founding VSL Prestressing (Aus.) PtyFoundingFounding VSLVSL PrestressingPrestressing ((AusAus.).) PtyPty
198319831983 Founding of VSL Thailand LtdFoundingFounding of VSLof VSL Thailand LtdThailand Ltd
196519651965 Development and first commercial application of the VSL Strand PT SystemDevelopmentDevelopment andand firstfirst commercial application ofcommercial application of thethe VSLVSL StrandStrand PTPT SystemSystem
HISTORYHISTORY
199019901990 Acquisition of the Losinger Group by BouyguesAcquisition ofAcquisition of the Losinger Group bythe Losinger Group by BouyguesBouygues
199219921992 Launching of the Specialist Contractor concept - Strategy of management control of licenseeLaunchingLaunching ofof the Specialist Contractorthe Specialist Contractor concept concept -- StrategyStrategy of managementof management controlcontrol ofof licenseelicensee
199719971997 Creation of VSL China, VSL Argentina, VSL Mexico, VSL Middle EastCreationCreation of VSL China, VSLof VSL China, VSL ArgentinaArgentina, VSL Mexico, VSL Middle, VSL Mexico, VSL Middle EastEast
198519851985 Grouping of VSL Entities under the VSL Group banner GroupingGrouping of VSLof VSL Entities under theEntities under the VSLVSL Group banner Group banner
198919891989 Acquisition of the Stronghold Group by BouyguesAcquisition ofAcquisition of the Stronghold Group bythe Stronghold Group by BouyguesBouygues
199819981998 Creation of VSL South Africa, VSL Polska, VSL BeneluxCreationCreation of VSLof VSL South AfricaSouth Africa, VSL , VSL PolskaPolska, VSL , VSL BeneluxBenelux
WAL*MARTWAL*MARTIsos postensados
FundadaFundada
+/+/--200 200
CuenCuenexperiencia del Grupo experiencia del Grupo
Del Del orden orden
en en MMééxicoxico en en diciembrediciembre de 1996de 1996
EmpleadosEmpleados
tata con con el respaldo el respaldo de de mmáás s de 40 de 40 aañños os de de VSLVSL
de 40 de 40 ingenieros ingenieros y y ttéécnicos especialistascnicos especialistas
WAL*MARTWAL*MARTentajas de Utilización
Reducción de la cantidad de juntas de dilatación y/o contracción.
Incremento de la capacidad de carga sin incremento considerable de espesor
Disminución del acero de refuerzo convencional ( varillas corrugadas).
Incremento de la resistencia a la abrasión generada por las ruedas de ciertos equipos de carga.
Reducción considerable de los agrietamientos debidos a la contracción por fraguado o a los cambios de temperatura.
Mejora de la impermeabilidad de los pisos
Menores costos de construcción y de mantenimiento con los pavimentos convencionales de concreto armado.
WAL*MARTWAL*MARTrocedimiento Constructivo
VACIADO DE CONCRETO ESPECIAL
TERRACERIA BASE DE CALIDAD ADECUADA
CAMA DE ARENA (REDUCE FRICCIÓN)
2 CAPAS DE POLIETILENO
COLOCACIÓN DE SILLETAS
INSTALACION DE PRESFUERZO
FRONTERAS DE COLADO
TERMINADO DE PISO
CURADO
WAL*MARTWAL*MARTontrol de Agrietamiento
Piso tradicional(Fisuramiento temprano por contracción)
Fuerzas de Tensado
(Reducción hasta un 90% del fisuramiento)Piso Postensado
Fuerzas de Tensado
Tensado Gradual Tensado Gradual
WAL*MARTWAL*MARTistema CP+ (Encapsulado)
SISTEMA MONOTORON NO-ADHERIDO
PROTECCIÓN PARA AMBIENTES CORROSIVOS
WAL*MARTWAL*MARTnstalación
Preparación de anclajes
Colocación de Presfuerzo
WAL*MARTWAL*MARTisos postensados
Secuencias de colado
Vaciado de concreto especial Cemex
WAL*MARTWAL*MARTuesta en servicio
Tensado de Cables
Cables Tensados
WAL*MARTWAL*MARTIseño (Criterios)
FricciFriccióónn
TemperaturaTemperatura
CargasCargas de de DiseDiseññoo
Modulo de Modulo de RupturaRuptura
PresfuerzoPresfuerzo
CompresiCompresióónn > > TensiTensióónn
EstadoEstado InicialInicial ((crcrííticotico))
WAL*MARTWAL*MARTeferencias
WAL*MARTWAL*MARTeferencias
Pulido de Postenpiso
WAL*MARTWAL*MARTeferencias
Piso Terminado
WAL*MARTWAL*MARTapacidad de Carga
Capacidad de carga