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The properties of concrete with complex chemical additives to improve the technology for production sleepers from prestressed are discussed in article. With use under heat-moisture processing, at a temperature 40°C, there was no decrease strength cement stone and sufficient initial stage curing period, 44.7 MPa; determined addition Glenium 27 S - 1.0% hardening accelerator Master X -Seed 100 1....

Accurate prediction of the prestressed steel amount is essential for a concrete-road bridge’s successful design, construction, and long-term performance. Predicting required can help optimize design construction process, also project managers engineers estimate overall cost more accurately. The model was developed using data from 74 constructed bridges along Serbia’s Corridor X. study examined ...