Understanding the types of gases encountered in tunnelling is crucial for safety. Gases like carbon monoxide, carbon dioxide, nitrogen oxides, methane, and hydrogen sulfide are common in TBM environments. Proper gas monitoring sensor placement inside the TBM is essential to detect hazardous gas leve

0 views • 11 slides

This detailed guide covers the grouting technique used in soft ground tunnelling operations, focusing on stabilizing tunnel segments and reducing ground settlement by filling annular spaces with different types of grouts. It includes information on laboratory tests, trial mix designs, technical requ

0 views • 8 slides

Explore the immersive residential experience at Condover Hall in Shropshire, where children engage in adventurous activities, develop teamwork skills, and make new friendships. The program includes accommodation, meals, various activities, and trained leaders ensuring a memorable stay. Children part

0 views • 18 slides