Use of Polyamide-6 Type Engineering Polymer as Grouted Rock Bolt Material
| Autor: | Ayhan Kesimal, Eren Komurlu, C. Okay Aksoy |
|---|---|
| Jazyk: | angličtina |
| Rok vydání: | 2017 |
| Předmět: |
Rock bolt
chemistry.chemical_classification High energy Materials science Polymers and Plastics Cement grout 0211 other engineering and technologies 02 engineering and technology Polymer Load bearing Dynamic load testing 020501 mining & metallurgy 0205 materials engineering chemistry Energy absorption Polyamide Geotechnical engineering 021101 geological & geomatics engineering Civil and Structural Engineering |
| Popis: | In this study, usability of Polyamide-6 type engineering polymer as a new rock bolt material was investigated carrying out a series of laboratory and field scale experiments. The Polyamide-6 type polymer tested as a grouted rock bolt material was assessed to have a good body strength, large elastic deformation limit and high energy absorbing capacity. The load bearing capacity of Polyamide-6 rock bolts was found to dominantly depend on the mechanical anchorage in front of the shank as a result of having low adhesion to the cement grout values. In this study, polyamide rock bolts have been designed with different mechanical anchors. It was suggested to start the systematical use of polyamide rock bolts having ideal support reactions under both static and dynamic load conditions in rock engineering. Especially, Polyamide-6 rock bolts were assessed to be economically usable in rock masses with squeezing, swelling or bursting problem, which need for non-decreasing support pressure while being higly deformed and good energy absorption capacity. |
| Databáze: | OpenAIRE |
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