PRAN vs. PRAH: THE PENETRON DIFFERENCE

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®T O T A L C O N C R E T E P R O T E C T I O NNational Road Bikeway Tunnel RehabilitationOver 100 years old, the National RoadBikeway tunnel was plagued by groundwaterinfiltration and damage. First built in1902 in an area of thinly bedded, faintlyporous, weak shale with significantgroundwater inflows, the main focus ofthe rehabilitation project was to controlwater infiltration and the subsequent icebuild-up and damage. The ability of thePENETRON technology to reduce thepermeability of the new shotcrete liner,even against high hydrostatic head pressure,exceeded the design team’s expectation.The ice and water infiltration problemwas wholly eliminated.Singapore ChangiAirport /Terminal 3More than an air transportationhub, theChangi Airport is asymbol of national prideand a benchmark forservice excellence.Terminal 3 featuresinnovative passengerfacilities and modernarchitecture. 140,000m³ of concrete wastreated with PEN-ETRON ADMIX ® , alongwith PENETRON ®slurry and PENECRETEMORTAR.6
®T O T A L C O N C R E T E P R O T E C T I O NGardens by the Bay, MarinaBay, SingaporeThe distinctive waterfront gardensare an all-weather ‘edutainment’space, an architectural icon, ahorticultural attraction, and ashowcase of sustainable energytechnology – with large cooledconservatories replicating specificclimates to house an uncommonrange of flowers and plants. Theproject represented severe waterproofingchallenges as it is builtentirely on reclaimed land and rightnext to the ocean. 18,300 m³ ofconcrete were cast with PEN-ETRON ADMIX ® in the base slaband walls; PENEBAR SW-55 wasused in the construction joints andPENESEAL PRO ® on the mountainwalls.Corredor Duarte, SantoDomingo, DominicanRepublicThe Corredor Duarte Tunnel,the newest tunnel in theDominican Republic providesa rapid connection betweenSanto Domingo and the restof the country. About 1,200m (4,000 ft) in length, thetunnel plays a key role inrelieving chronic trafficcongestion in the capitol. Amuch thinner shotcrete layerwas applied immediatelybehind the tunnel boringmachine, creating a natural load-bearing ring and minimizing deformation of the surrounding layers of rock. PEN-ETRON ADMIX ® was used to reduce the permeability of the shotcrete walls. PENEBAR SW-55 was used toseal the concrete construction joints. In total, 45 tons of PENETRON ADMIX ® and 2,300 meters of PENEBARSW-55 were used.7
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PRAN vs. PRAH: THE PENETRON DIFFERENCE

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