Splet30. mar. 2024 · Shotcrete is often used for the construction and stabilization of tunnels and other underground structures, where it is susceptible to different forms of physical and … SpletThe specimens were listed as unreinforced and confined masonry walls with vertical concrete ties before and after retrofitting using shotcrete overlay. Moreover, a relatively new approach was adopted for seismic retrofitting of unreinforced masonry (URM) walls as an alternative to vertical concrete ties.

Cyclic in-plane behavior of unreinforced and confined masonry …

SpletVéritable innovation dans le domaine de la technologie BFUP, Ductal® Shotcrete représente une solution globale compétitive répondant aux plus hautes exigences des ingénieurs pour tous les types de projets. ... Overlay. 01.4. Displayed title. Plus. Découvrez plus de solutions Construisons ensemble votre projet de demain. Splet2.1.3 Shotcrete Shotcrete overlays are sprayed onto the surface of a masonry wall over a mesh of reinforcing bars (Figure 1 (c)). Shotcrete is more convenient and less costly than cast-in-situ jackets. The thickness of the shotcrete can be adapted to the seismic demand. In general, the overlay thickness is at least 60 mm (Abrams and Lynch 2001, ian hothersall

Durability of shotcrete for underground support– Review and update

Spletand shotcrete as an appropriate repair material, the factors which influence bond strength have been discussed. All the accepted test methods for evaluation of bond strength have … Splet01. jun. 2016 · Basically, shotcrete layer thickness is dependent on the seismic demand and it can be determined considering overlay as reinforced concrete shear wall. In general, the overlay thickness is at least 60 mm. The shotcrete overlay is typically reinforced with a minimum steel reinforcement ratio of shear wall in the shape of wire mesh to control crack. http://www.diva-portal.org/smash/get/diva2:431113/FULLTEXT01.pdf ian hotchkiss footballer