Aspects of testing tendon supports for strength, effective installation, and performance in different ground formation

Paper

Mottahedi, Adel, Aziz, Naj, Mirzaghorbanali, Ali, Remmenikov, Alex and Anzanpour, Sina. 2024. "Aspects of testing tendon supports for strength, effective installation, and performance in different ground formation." Aziz, N. and Mirzaghorbanali, A. (ed.) 2024 Resource Operators Conference (ROC2024). Wollongong, Australia 13 - 16 Feb 2024 Australia. University of Wollongong.

Paper/Presentation Title	Aspects of testing tendon supports for strength, effective installation, and performance in different ground formation
Presentation Type	Paper
Authors	Mottahedi, Adel, Aziz, Naj, Mirzaghorbanali, Ali, Remmenikov, Alex and Anzanpour, Sina
Editors	Aziz, N. and Mirzaghorbanali, A.
Journal or Proceedings Title	Proceedings of the 2024 Resource Operators Conference
Journal Citation	pp. 146-169
Number of Pages	24
Year	2024
Publisher	University of Wollongong
Place of Publication	Australia
ISBN	9781741283969
	9781741283952
Web Address (URL) of Paper	https://ro.uow.edu.au/coal/914/
Web Address (URL) of Conference Proceedings	https://ro.uow.edu.au/coal/
Conference/Event	2024 Resource Operators Conference (ROC2024)
Event Details	2024 Resource Operators Conference (ROC2024) Delivery In person Event Date 13 to end of 16 Feb 2024 Event Location Wollongong, Australia Event Venue University of Wollongong
Abstract	Different methods and techniques are reported in testing several types of tendons including solid rebars and cable bolts to evaluate their strength and performances in various rock formations. Most reported studies are laboratory-based, enhanced occasionally with numerical studies. Moreover, some tests are also carried out in situ to verify test results obtained from laboratory studies. The laboratory strength studies involved both push and pull testing, single and double shear testing of solid rebar, fiberglass rods, and cable bolts using different grout types installed in composite mediums of varied strength. Several challenges are faced when undertaking these various tests. These challenges may contribute to inconsistencies in the test results caused by various parameters, which are recognized, and the findings of these studies are examined and reported. This paper highlights a range of factors that influence tendon system performance based solely on two decades of tendon research by the rock mechanics group of the School of Civil, Mining, Environmental and Architectural Engineering, the University of Wollongong to draw the attention of the researcher on the importance of these factors and their influence in the real installation environment.
Contains Sensitive Content	Does not contain sensitive content
ANZSRC Field of Research 2020	401902. Geomechanics and resources geotechnical engineering
	400502. Civil geotechnical engineering
Public Notes	Files associated with this item cannot be displayed due to copyright restrictions, but may be accessed online. Please see the link in the URL field.
Byline Affiliations	University of Wollongong
	School of Engineering

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Mohammadi, Sadjad, Ataei, Mohammad, Kakaie, Reza, Mirzaghorbanali, Ali and Aziz, Naj. 2021. "A Probabilistic Model to Determine Main Caving Span by Evaluating Cavability of Immediate Roof Strata in Longwall Mining." Geotechnical and Geological Engineering: an international journal. 39 (3), pp. 2221-2237. https://doi.org/10.1007/s10706-020-01620-y

Static and dynamic testing of tendons

Khaleghparast, Saman, Anzanpour, Sina, Aziz, Naj, Remennikov, Alex and Mirzaghorbanali, Ali. 2020. "Static and dynamic testing of tendons." Aziz, Naj and Kininmonth, Bob (ed.) 2020 Coal Operators' Conference. Wollongong, Australia 18 - 20 Feb 2019 Wollongong, Australia.

A review of overburden fracturing and changes in hydraulic characteristics due to longwall mining

Nourizadeh, Hadi, Canbulat, Ismet, Oh, Joung, Zhang, Chengguo, Aziz, Naj, Mirzaghorbanali, Ali and McDougall, Kevin. 2020. "A review of overburden fracturing and changes in hydraulic characteristics due to longwall mining." Aziz, Naj and Kininmonth, Bob (ed.) 2020 Coal Operators' Conference. Wollongong, Australia 18 - 20 Feb 2019 Wollongong, Australia.

Shear strength properties of artificial rock joints

Zohaib, Muhammad, Mirzaghorbanali, Ali, Helwig, Andreas, Aziz, Naj, Gregor, Peter, Rastegarmanesh, Ashkan and McDougall, Kevin. 2020. "Shear strength properties of artificial rock joints." Aziz, Naj and Kininmonth, Bob (ed.) 2020 Coal Operators' Conference. Wollongong, Australia 18 - 20 Feb 2019 Wollongong, Australia.

A roof cavability classification system and its use for estimation of main caving interval in longwall mining

Mohammadi, Sodjad, Ataei, Mohammad, Kakaie, Reza, Mirzaghorbanali, Ali, Faraji Rad, Zahra and Aziz, Naj. 2020. "A roof cavability classification system and its use for estimation of main caving interval in longwall mining." Aziz, Naj and Kininmonth, Bob (ed.) 2020 Coal Operators' Conference. Wollongong, Australia 18 - 20 Feb 2019 Wollongong, Australia.

Numerical exploration of performance of cable bolts in shear loading

Rasekh, Haleh, Aziz, Naj, Nemcik, Jan and Mirzaghorbanali, Ali. 2019. "Numerical exploration of performance of cable bolts in shear loading." 4th Australasian Conference on Computational Mechanics (ACCM-4). Hobart, Australia 27 - 29 Nov 2019 Sydney, Australia.

A new Roof Strata Cavability Index (RSCi) for longwall mining incorporating new rating system

Mohammadi, Sadjad, Ataei, Mohammad, Kakaie, Reza and Mirzaghorbanali, Ali. 2019. "A new Roof Strata Cavability Index (RSCi) for longwall mining incorporating new rating system." Geotechnical and Geological Engineering: an international journal. 37 (5), pp. 3619-3636. https://doi.org/10.1007/s10706-019-00857-6

Numerical simulation of stress distribution in longwall panels during the first caving interval

Mohammadi, Sadjad, Ataei, Mohammad, Kakaie, Reza, Mirzaghorbanali, Ali, Aziz, Naj and Rastegarmanesh, Ashkan. 2019. "Numerical simulation of stress distribution in longwall panels during the first caving interval." Aziz, Naj and Kininmonth, Bob (ed.) 2019 Coal Operators' Conference. Wollongong, Australia 18 - 20 Feb 2019 Wollongong, Australia.

Strength properties of grout for strata reinforcement

Mirzaghorbanali, Ali, Gregor, Peter, Ebrahim, Zeinab, Alfahed, Abdullah, Aziz, Naj and McDougall, Kevin. 2019. "Strength properties of grout for strata reinforcement." Aziz, Naj and Kininmonth, Bob (ed.) 2019 Coal Operators' Conference. Wollongong, Australia 18 - 20 Feb 2019 Wollongong, Australia.

Shear strength of rock joints under constant normal loading conditions

Mirzaghorbanali, Ali, Alenzi, Faizal, Gregor, Peter, Aziz, Naj and McDougall, Kevin. 2019. "Shear strength of rock joints under constant normal loading conditions." Aziz, Naj and Kininmonth, Bob (ed.) 2019 Coal Operators' Conference. Wollongong, Australia 18 - 20 Feb 2019 Wollongong, Australia.

Effect of air column in transport canisters on measured gas contents of coal

Aziz, N. and Mirzaghorbanali, A.. 2017. "Effect of air column in transport canisters on measured gas contents of coal." Journal of Mining and Environment. 8 (1), pp. 1-9. https://doi.org/10.22044/jme.2016.631

Effects of shearing direction on shear behaviour of rock joints

Mirzaghorbanali, Ali, Rasekh, Haleh, Aziz, Naj and Nemcik, Jan. 2014. "Effects of shearing direction on shear behaviour of rock joints." Aziz, Naj (ed.) 2014 Coal Operators' Conference. Wollongong, Australia 12 - 14 Feb 2014 Wollongong, Australia.

A study on the shear behaviour of infilled rock joints under cyclic loading and constant normal stiffness conditions

Mirzaghorbanali, Ali, Nemcik, Jan and Aziz, Naj. 2014. "A study on the shear behaviour of infilled rock joints under cyclic loading and constant normal stiffness conditions." Aziz, Naj (ed.) 2014 Coal Operators' Conference. Wollongong, Australia 12 - 14 Feb 2014 Wollongong, Australia.

Suggested methods for the preparation and testing of various properties of resins and grouts

Aziz, Naj, Nemcik, Jan, Mirzaghorbanali, Ali, Foldi, Stephen, Joyce, David, Moslemi, Arash, Ghojavand, Hooman, Ma, Shuqi, Li, Xuwei and Rasekh, Haleh. 2014. "Suggested methods for the preparation and testing of various properties of resins and grouts." Aziz, Naj (ed.) 2014 Coal Operators' Conference. Wollongong, Australia 12 - 14 Feb 2014 Wollongong, Australia.

Numerical modelling of cyclic shear behaviour of rock joints under constant normal stiffness condition

Mirzaghorbanali, Ali and Nemcik, Jan. 2013. "Numerical modelling of cyclic shear behaviour of rock joints under constant normal stiffness condition." Aziz, Naj, Kininmonth, Bob, Nemcik, Jan, Ren, Ting and Hoelle, John (ed.) 2013 Coal Operators' Conference. Wollongong, Australia 14 - 15 Feb 2013 Wollongong, Australia.

Single shear testing of various cable bolts used in Australian mines

Aziz, Naj, Rink, Owen, Rasekh, Haleh, Hawkins, Ellie, Mirzaghorbanali, Ali, Yang, Guanyu, Khaleghparast, Saman, Mills, Kenneth, Nemcik, Jan and Li, Xuwei. 2017. "Single shear testing of various cable bolts used in Australian mines." Aziz, Naj and Kininmonth, Bob (ed.) 2017 Coal Operators' Conference. Wollongong, Australia 08 - 10 Feb 2017 Wollongong, Australia.

Behaviour of cable bolts in shear; experimental study and mathematical modelling

Aziz, Naj, Craig, Peter, Mirzaghorbanali, Ali, Rasekh, Haleh, Nemcik, Jan and Li, Xuwei. 2015. "Behaviour of cable bolts in shear; experimental study and mathematical modelling." Aziz, Naj and Kininmonth, Bob (ed.) 2015 Coal Operators' Conference. Wollongong, Australia 11 - 13 Feb 2015 Wollongong, Australia.

Strength characteristics of Secura Hollow Groutable Cable Bolts

Aziz, Naj, Hawker, Robert, Mirzaghorbanali, Ali, Nemcik, Jan, Li, Xuwei and Rasekh, Haleh. 2015. "Strength characteristics of Secura Hollow Groutable Cable Bolts." Aziz, Naj and Kininmonth, Bob (ed.) 2015 Coal Operators' Conference. Wollongong, Australia 11 - 13 Feb 2015 Wollongong, Australia.

Modelling of rebar and cable bolt behaviour in tension/shear

Li, Xuwei, Nemcik, Jan, Aziz, Naj, Mirzaghorbanali, Ali and Rasekh, Haleh. 2015. "Modelling of rebar and cable bolt behaviour in tension/shear." Aziz, Naj and Kininmonth, Bob (ed.) 2015 Coal Operators' Conference. Wollongong, Australia 11 - 13 Feb 2015 Wollongong, Australia.

Strength properties of fibre glass dowels used for strata reinforcement in coal mines

Gilbert, David, Mirzaghorbanali, Ali, Li, Xuwei, Rasekh, Haleh, Aziz, Naj and Nemcik, Jan. 2015. "Strength properties of fibre glass dowels used for strata reinforcement in coal mines." Aziz, Naj and Kininmonth, Bob (ed.) 2015 Coal Operators' Conference. Wollongong, Australia 11 - 13 Feb 2015 Wollongong, Australia.

An experimental study on the contact surface area of cabled bolted strata

Rasekh, Haleh, Aziz, Naj, Nemcik, Jan, Mirzaghorbanali, Ali and Li, Xuwei. 2015. "An experimental study on the contact surface area of cabled bolted strata." Aziz, Naj and Kininmonth, Bob (ed.) 2015 Coal Operators' Conference. Wollongong, Australia 11 - 13 Feb 2015 Wollongong, Australia.

Numerical investigation of the shear behaviour of a cable bolt in single shear test

Li, Xuwei, Yang, Guanyu, Nemcik, Jan, Mirzaghorbanali, Ali and Aziz, Naj. 2019. "Numerical investigation of the shear behaviour of a cable bolt in single shear test." Tunnelling and Underground Space Technology. 84, pp. 227-236. https://doi.org/10.1016/j.tust.2018.11.016

Mechanical behaviours of grout for strata reinforcement

Mirzaghorbanali, Ali, Gregor, Peter, Alkandari, Hamed, Aziz, Naj and McDougall, Kevin. 2018. "Mechanical behaviours of grout for strata reinforcement." Aziz, Naj and Kininmonth, Bob (ed.) 2018 Coal Operators' Conference. Wollongong, Australia 07 - 09 Feb 2018 Wollongong, Australia.

Innovative approach to strata reinforcement in coal mines with reference to evaluation cable bolts shear strength

Aziz, N., Mirzaghorbanali, A., Yang, G., Khaleghparast, S. and Rasekh, H.. 2018. "Innovative approach to strata reinforcement in coal mines with reference to evaluation cable bolts shear strength." Journal of Mining and Environment. 9 (3), pp. 703-715. https://doi.org/10.22044/jme.2018.6918.1525

Prediction of the main caving span in longwall mining using fuzzy MCDM technique and statistical method

Mohammadi, S., Ataei, M., Khaloo Kakaie, R. and Mirzaghorbanali, A.. 2018. "Prediction of the main caving span in longwall mining using fuzzy MCDM technique and statistical method." Journal of Mining and Environment. 9 (3), pp. 717-726. https://doi.org/10.22044/jme.2018.6715.1492

The effects of installation procedure on bond characteristics of fully grouted rock bolts

Ma, Shuji, Aziz, Naj, Nemcik, Jan and Mirzaghorbanali, Ali. 2017. "The effects of installation procedure on bond characteristics of fully grouted rock bolts." Geotechnical Testing Journal. 40 (5), pp. 846-857. https://doi.org/10.1520/GTJ20160239

Simulation of macerals effects on methane emission during gas drainage in coal mines

Taheri, Adel, Sereshki, Farhang, Ardejani, Faramarz Doulati and Mirzaghorbanali, Ali. 2017. "Simulation of macerals effects on methane emission during gas drainage in coal mines." Fuel: the science and technology of fuel and energy. 210, pp. 659-665. https://doi.org/10.1016/j.fuel.2017.08.081

Shear strength properties of cable bolts using a new double shear instrument, experimental study, and numerical simulation

Mirzaghorbanali, Ali, Rasekh, Haleh, Aziz, Naj, Yang, Guanyu, Khaleghparast, Saman and Nemcik, Jan. 2017. "Shear strength properties of cable bolts using a new double shear instrument, experimental study, and numerical simulation." Tunnelling and Underground Space Technology. 70, pp. 240-253. https://doi.org/10.1016/j.tust.2017.07.018

An experimental study on the shear performance of fully encapsulated cable bolts in single shear test

Aziz, Naj, Rasekh, Haleh, Mirzaghorbanali, Ali, Yang, Guanyu, Khaleghparast, Saman and Nemcik, Jan. 2018. "An experimental study on the shear performance of fully encapsulated cable bolts in single shear test." Rock Mechanics and Rock Engineering. 51 (7), pp. 2207-2221. https://doi.org/10.1007/s00603-018-1450-0

Effects of cyclic loading on the shear behaviour of infilled rock joints under constant normal stiffness conditions

Mirzaghorbanali, Ali, Nemcik, Jan and Aziz, Naj. 2014. "Effects of cyclic loading on the shear behaviour of infilled rock joints under constant normal stiffness conditions." Rock Mechanics and Rock Engineering. 47 (4), pp. 1373-1391. https://doi.org/10.1007/s00603-013-0452-1

Shear strength properties of plain and spirally profiled cable bolts

Aziz, Naj, Mirzaghorbanali, Ali, Nemcik, Jan, Heeman, Kay and Mayer, Stefan. 2015. "Shear strength properties of plain and spirally profiled cable bolts." Canadian Geotechnical Journal. 52 (10), pp. 1490-1495. https://doi.org/10.1139/cgj-2014-0504

Double shear testing of cable bolts with no concrete face contacts

Rasekh, Haleh, Aziz, Naj, Mirzaghorbanali, Ali, Nemcik, Jan, Li, Xuwei, Yang, Guanyu and Khaleghparast, Saman. 2017. "Double shear testing of cable bolts with no concrete face contacts." Procedia Engineering. 191, pp. 1169-1177. https://doi.org/10.1016/j.proeng.2017.05.292

Strength properties of grout for strata reinforcement

Aziz, Naj, Majoor, Dean and Mirzaghorbanali, Ali. 2017. "Strength properties of grout for strata reinforcement." Procedia Engineering. 191, pp. 1178-1184. https://doi.org/10.1016/j.proeng.2017.05.293

A new equation for the shear strength of cable bolts incorporating the energy balance theory

Rasekh, Haleh, Mirzaghorbanali, Ali, Nemcik, Jan, Aziz, Naj and Li, Xuwei. 2017. "A new equation for the shear strength of cable bolts incorporating the energy balance theory." Geotechnical and Geological Engineering: an international journal. 35 (4), pp. 1529-1548. https://doi.org/10.1007/s10706-017-0191-2

Comparison of the shear test results of a cable bolt on three laboratory test apparatuses

Li, Xuwei, Aziz, Naj, Mirzaghorbanali, Ali and Nemcik, Jan. 2017. "Comparison of the shear test results of a cable bolt on three laboratory test apparatuses." Tunnelling and Underground Space Technology. 61, pp. 82-89. https://doi.org/10.1016/j.tust.2016.10.003

Analytical model of shear behaviour of a fully grouted cable bolt subjected to shearing

Li, Xuwei, Nemcik, Jan, Mirzaghorbanali, Ali, Aziz, Naj and Rasekh, Haleh. 2015. "Analytical model of shear behaviour of a fully grouted cable bolt subjected to shearing." International Journal of Rock Mechanics and Mining Sciences. 80, pp. 31-39. https://doi.org/10.1016/j.ijrmms.2015.09.005

Mechanical properties of grouts at various curing times

Mirza, Ali, Aziz, Naj, Ye, Wang and Nemcik, Jan. 2016. "Mechanical properties of grouts at various curing times." Aziz, Naj and Kininmonth, Bob (ed.) 2016 Coal Operators' Conference. Wollongong, Australia 10 - 12 Feb 2016 Wollongong, Australia.

Modelling simulation of the performance of cable bolts in shear

Rasekh, Haleh, Mirza, Ali, Aziz, Naj, Nemcik, Jan and Li, Xuwei. 2016. "Modelling simulation of the performance of cable bolts in shear." Aziz, Naj and Kininmonth, Bob (ed.) 2016 Coal Operators' Conference. Wollongong, Australia 10 - 12 Feb 2016 Wollongong, Australia.

An elasto-plastic constitutive model for rock joints under cyclic loading and constant normal stiffness conditions

Nemcik, Jan, Mirzaghorbanali, Ali and Aziz, Naj. 2014. "An elasto-plastic constitutive model for rock joints under cyclic loading and constant normal stiffness conditions." Geotechnical and Geological Engineering: an international journal. 32 (2), pp. 321-335. https://doi.org/10.1007/s10706-013-9716-5

Effects of shear rate on cyclic loading shear behaviour of rock joints under constant normal stiffness conditions

Mirzaghorbanali, Ali, Nemcik, Jan and Aziz, Naj. 2014. "Effects of shear rate on cyclic loading shear behaviour of rock joints under constant normal stiffness conditions." Rock Mechanics and Rock Engineering. 47 (5), pp. 1931-1938. https://doi.org/10.1007/s00603-013-0453-0

A follow up to study the behaviour of cable bolts in shear: experimental study and mathematical modelling

Aziz, Naj, Mirza, Ali, Nemcik, Jan, Rasekh, Haleh and Li, Xuwei. 2016. "A follow up to study the behaviour of cable bolts in shear: experimental study and mathematical modelling." Aziz, Naj and Kininmonth, Bob (ed.) 2016 Coal Operators' Conference. Wollongong, Australia 10 - 12 Feb 2016 Wollongong, Australia.

Load transfer characteristics of plain and spiral cable bolts tested in new non rotating pull testing apparatus

Aziz, Naj, Mirza, Ali, Nemcik, Jan, Li, Xuwei, Rasekh, Haleh and Wang, Gaofeng. 2016. "Load transfer characteristics of plain and spiral cable bolts tested in new non rotating pull testing apparatus." Aziz, Naj and Kininmonth, Bob (ed.) 2016 Coal Operators' Conference. Wollongong, Australia 10 - 12 Feb 2016 Wollongong, Australia.