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Resin anchored rock bolts are widely used in the construction and mining industries to support and reinforce underground roadways and openings. However, increasing the depth of underground openings, particularly in coal mines, has presented a challenge for ground control designers due to the rise in geothermal heat and coal seam combustion. This study aims to comprehensively investigate the mechanical properties, microstructure, thermal and curing characteristics of the anchoring resins using Thermogravimetric Analysis, Dynamic Mechanical Analysis, and Differential Scanning Calorimetry tests. ...

Introduction: Energy Storage Market The energy storage market has been experiencing substantial growth in recent years. This is due to the increasing need for

Abstract This paper first investigates the material ductility effect on the bearing strength of bolted connections in mild steel (S275), high strength steel (G550) and ultra-high strength steel (S1150), the latter having never been tested in the literature. Importantly, it also investigates the effects of different cooling methods on the post-fire bearing strength of ultra-high strength steel specimens. The specimens were cooled in either air or water from temperatures as high as 1000 °C, resulting in a very wide range of material ductility. It was found that material ductility (and therefor...