An Experimental Study on the Shear Performance of Fully Encapsulated Cable Bolts in Single Shear Test
A set of single shear tests on fully encapsulated cable bolts was carried out using a newly developed and integrated Megabolt single shear apparatus. The instrument is designed to determine the pure shear strength of cable bolts where there is no contact between the host body faces during the sheari...
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| Veröffentlicht in: | Rock mechanics and rock engineering 2018-07, Vol.51 (7), p.2207-2221 |
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| container_title | Rock mechanics and rock engineering |
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| creator | Aziz, Naj Rasekh, Haleh Mirzaghorbanali, Ali Yang, Guanyu Khaleghparast, Saman Nemcik, Jan |
| description | A set of single shear tests on fully encapsulated cable bolts was carried out using a newly developed and integrated Megabolt single shear apparatus. The instrument is designed to determine the pure shear strength of cable bolts where there is no contact between the host body faces during the shearing process. Eight different types of cable bolt were encapsulated in 40 MPa concrete cylinders, using Stratabinder HS grout. Prior to encapsulation, cable bolts were pretensioned at the desired value using a manual pretensioner. Effects of surface profile, pretension value and debonding on shear strength of cable bolts were investigated. It was found that the shear strength of spiral/indented cable bolts was lower than that of plain cable bolts. Increasing the pretension load decreased the peak shear load of cable bolts. In general, no debonding was observed for spiral/indented cable bolts during shear testing; however, all tested plain cable bolts were debonded. |
| doi_str_mv | 10.1007/s00603-018-1450-0 |
| format | Article |
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The instrument is designed to determine the pure shear strength of cable bolts where there is no contact between the host body faces during the shearing process. Eight different types of cable bolt were encapsulated in 40 MPa concrete cylinders, using Stratabinder HS grout. Prior to encapsulation, cable bolts were pretensioned at the desired value using a manual pretensioner. Effects of surface profile, pretension value and debonding on shear strength of cable bolts were investigated. It was found that the shear strength of spiral/indented cable bolts was lower than that of plain cable bolts. Increasing the pretension load decreased the peak shear load of cable bolts. In general, no debonding was observed for spiral/indented cable bolts during shear testing; however, all tested plain cable bolts were debonded.</description><identifier>ISSN: 0723-2632</identifier><identifier>EISSN: 1434-453X</identifier><identifier>DOI: 10.1007/s00603-018-1450-0</identifier><language>eng</language><publisher>Vienna: Springer Vienna</publisher><subject>Bolts ; Civil Engineering ; Cylinders ; Debonding ; Earth and Environmental Science ; Earth Sciences ; Encapsulation ; Geophysics/Geodesy ; Grout ; Original Paper ; Peak load ; Shear strength ; Shear tests ; Shearing</subject><ispartof>Rock mechanics and rock engineering, 2018-07, Vol.51 (7), p.2207-2221</ispartof><rights>Springer-Verlag GmbH Austria, part of Springer Nature 2018</rights><rights>Rock Mechanics and Rock Engineering is a copyright of Springer, (2018). 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In general, no debonding was observed for spiral/indented cable bolts during shear testing; however, all tested plain cable bolts were debonded.</description><subject>Bolts</subject><subject>Civil Engineering</subject><subject>Cylinders</subject><subject>Debonding</subject><subject>Earth and Environmental Science</subject><subject>Earth Sciences</subject><subject>Encapsulation</subject><subject>Geophysics/Geodesy</subject><subject>Grout</subject><subject>Original Paper</subject><subject>Peak load</subject><subject>Shear strength</subject><subject>Shear tests</subject><subject>Shearing</subject><issn>0723-2632</issn><issn>1434-453X</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2018</creationdate><recordtype>article</recordtype><sourceid>ABUWG</sourceid><sourceid>AFKRA</sourceid><sourceid>AZQEC</sourceid><sourceid>BENPR</sourceid><sourceid>CCPQU</sourceid><sourceid>DWQXO</sourceid><sourceid>GNUQQ</sourceid><recordid>eNp1kE9LAzEQxYMoWKsfwFvA8-ok2c1ujrW0KhQUWsFbSJNs_5Bm12QX7Lc3ZRVPnoaZeb95zEPolsA9ASgfIgAHlgGpMpIXkMEZGpGc5VlesI9zNIKSsoxyRi_RVYx7gLQsqxGyE49nX60Nu4P1nXJ42fXmiBuPu63Fy61VAb_ZUDfhoLy2uKnxvHfuiGdeqzb2TnXW4KlaO4sfG9dFvPN4ufMb90uvbOyu0UWtXLQ3P3WM3uez1fQ5W7w-vUwni0wxJrqs1KIQgq9ZbQwHDalj3GgojTag0oApISyplLHrnAMnDDgnuaAmp7osDBuju-FuG5rPPhnLfdMHnywlBVIUnIKokooMKh2aGIOtZZveV-EoCchTmnJIU6Y05SlNCYmhAxOT1m9s-Lv8P_QNqJl2cw</recordid><startdate>20180701</startdate><enddate>20180701</enddate><creator>Aziz, Naj</creator><creator>Rasekh, Haleh</creator><creator>Mirzaghorbanali, Ali</creator><creator>Yang, Guanyu</creator><creator>Khaleghparast, Saman</creator><creator>Nemcik, Jan</creator><general>Springer Vienna</general><general>Springer Nature B.V</general><scope>AAYXX</scope><scope>CITATION</scope><scope>3V.</scope><scope>7TN</scope><scope>7UA</scope><scope>7XB</scope><scope>88I</scope><scope>8FD</scope><scope>8FE</scope><scope>8FG</scope><scope>8FK</scope><scope>ABJCF</scope><scope>ABUWG</scope><scope>AEUYN</scope><scope>AFKRA</scope><scope>AZQEC</scope><scope>BENPR</scope><scope>BGLVJ</scope><scope>BHPHI</scope><scope>BKSAR</scope><scope>C1K</scope><scope>CCPQU</scope><scope>DWQXO</scope><scope>F1W</scope><scope>FR3</scope><scope>GNUQQ</scope><scope>H96</scope><scope>HCIFZ</scope><scope>KR7</scope><scope>L.G</scope><scope>L6V</scope><scope>M2P</scope><scope>M7S</scope><scope>PCBAR</scope><scope>PQEST</scope><scope>PQQKQ</scope><scope>PQUKI</scope><scope>PTHSS</scope><scope>Q9U</scope></search><sort><creationdate>20180701</creationdate><title>An Experimental Study on the Shear Performance of Fully Encapsulated Cable Bolts in Single Shear Test</title><author>Aziz, Naj ; 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| subjects | Bolts Civil Engineering Cylinders Debonding Earth and Environmental Science Earth Sciences Encapsulation Geophysics/Geodesy Grout Original Paper Peak load Shear strength Shear tests Shearing |
| title | An Experimental Study on the Shear Performance of Fully Encapsulated Cable Bolts in Single Shear Test |
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