An overview of Brazilian concrete tunnel inspection practices and international procedures ... These data are evaluated by the inspector, who classifies the extent of each damage identified on a scale ...

Green360 is progressing to the next development stage of its new high-quality metakaolin, kicking off real-world commercial-scale concrete trials with its joint-venture partner PERMAcast. The company ...

1 Department of Engineering Sciences, University of Agder, Grimstad, Norway; 2 Unicon AS, Oslo, Norway; 3 Department of Structural Engineering, Norwegian University of Science and Technology, ...

WalthersMainline HO EMD GP9. Scale: HO (1:87.1) Price: Direct-current model with 21-pin DCC plug and factory-installed 28mm round speaker, $159.98; with dual-mode ESU Sound & DCC, $214.98 Manufacturer ...

The idea was to put a toaster-like element inside a 500 kilo brick made of the same stuff that lines concrete kilns and steel blast furnaces, add some inventive aerodynamic design, and use it to ...

The Rapido HO scale EMD F40PHM-2 is equipped with working headlights, marker lights, and ditch lights. The beacon to the right of the five-chime air horn is the layover system alarm light. The Rapido ...

The $1.6 billion in renovation and reconstruction work includes replacing the corroded concrete bench walls, which house the tunnel’s electrical equipment, as well as the old rock ballast track ...

The Blissville Rail Terminal in Queens, New York, opened on April 29, 2025 - allowing approximately 50,000 tons of harvest fly ash annually from Eco Material Technologies to support local ...

The multi-scale characteristics of our model can be observed in the treatment of the failure mechanisms on two levels, macro and micro. The macro-scale computations are divided in two phases, ...

Nominations for next year's Concrete Contractor Top Products awards will open again in late 2025. The LS120 Laser-Guided Concrete Screed Ligchine. The LS120 Laser-Guided Concrete Screed. From Ligchine ...