Meanwhile, Nguyen Chi Sang, chairman of the Vietnam Association of Mechanical Industry, claimed that Lao Cai - Hanoi - Hai Phong railway, urban railways, and part of the North-South high-speed railway ...

Question: Why does concrete get hot when it is curing? Answer: Simply put, water plus aggregates (gravel, sand, stone), plus cement (such as Portland cement) start a chain of chemical reactions called ...

According to the engineer’s report, the investigation identified major issues with thermal bridging, air leakage and ...