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Machine learning approaches for predicting the construction time of drill-and-blast tunnels. [PDF]
Sci RepMahmoodzadeh A +3 more
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Shotcrete Simulator For Education of Shotcrete Robot Operators
2010Sprutbetong är en vanlig metod för förstärkning av till exempel tunnelbyggen. Fram till nu har ingen insats gjorts för att skapa en virtuell miljö för att utbilda personal för denna typ av arbete. Den här uppsatsen presenterar arbetet som gjorts för att skapa en prototyp för en virtuell träningsmiljö.
Börjesson, Petter, Thell, Mattias
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Reducing Calcium Dissolution in Tunnel Shotcrete: The Impact of Admixtures on Shotcrete Performance
LangmuirGroundwater infiltration into tunnels causes water to percolate through the fissure channels in the initial support shotcrete. This results in the dissolution and outflow of calcium hydroxide, a key product of cement hydration. This process significantly incurs the formation of crystallization blockages in the tunnel drainage systems.
Yueping Tong +5 more
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Transferring Shotcrete Skills to Robots
2024 10th IEEE RAS/EMBS International Conference for Biomedical Robotics and Biomechatronics (BioRob)Traditionally performed by skilled nozzle opera-tors, shotcrete remains a painful and risky task, where recurrent physical discomfort leads to severe and long-term health issues. When performed by novices or ill-trained workers, it can lead to waste.
Rui Wu 0007 +4 more
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Analytical Approach to Estimating the Influence of Shotcrete Hardening Property on Tunnel Response
Journal of Engineering Mechanics - ASCE, 2022Kui Wu, Zhushan Shao, Zhaofei Chu
exaly