ANCHORING PERFORMANCES ANALYSIS OF TENSION-TORSION GROUTED ANCHOR UNDER FREE AND NON-FREE ROTATING CONDITIONS
نویسندگان
چکیده
For the failure mechanism of anchor cable lags behind practice demand for theoretical models, Abaqus technique was used to analyze anchoring performances grouted under conditions free and non-free rotating. The tension-torsion coupling characteristics progressive anchorage segment were studied during pull-out test. torsion response internal horizontal vertical strain changes in concrete also analyzed. Results show that proposed calculation model is verified. With increase pulling-out displacement, load anchored section gradually transferred from inside outside. stress undergoes evolution process rod shape-bell shape-aquarium shape-spear shape. As an intermediate transition layer, agent breaks before at same time plays a buffering effect. Under action coupling, prone tensile-shear composite failure. There are two different ways transmitting force rotating non-rotating conditions, will be reduced state rotation. obtained conclusions can provide reference similar practice. Keywords: Grouted anchor, Tension-torsion Numerical simulation, Failure mechanism, Anchoring
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ژورنال
عنوان ژورنال: Dyna
سال: 2021
ISSN: ['2254-2833']
DOI: https://doi.org/10.6036/9985