A constitutive model to reveal the anchorage mechanism of fully bonded bolts
J Chen, L Liu, B Zeng, K Tao, C Zhang, H Zhao… - Rock Mechanics and …, 2023 - Springer
To better understand the bonding failure at the contact between the bolt shank and
anchoring agent, we developed a constitutive model of fully bonded rock bolts, in which the …
anchoring agent, we developed a constitutive model of fully bonded rock bolts, in which the …
A constitutive model for modified cable bolts exhibiting cone shaped failure mode
This study presents a novel constitutive model to characterise the mechanical behaviour of
cable bolts under axial loading and subjected to different boundary conditions including …
cable bolts under axial loading and subjected to different boundary conditions including …
Studying the performance of fully encapsulated rock bolts with modified structural elements
J Chen, H Zhao, F He, J Zhang, K Tao - International Journal of Coal …, 2021 - Springer
Numerical simulation is a useful tool in investigating the loading performance of rock bolts.
The cable structural elements (cableSELs) in FLAC3D are commonly adopted to simulate …
The cable structural elements (cableSELs) in FLAC3D are commonly adopted to simulate …
An analytical model for axial performance of rock bolts under constant confining pressure based on continuously yielding criterion
An analytical model is developed to simulate the load-displacement performance of rock
bolts under axial loading based on Modified Continuously Yielding Criterion. Such a model …
bolts under axial loading based on Modified Continuously Yielding Criterion. Such a model …
Shear strength properties of cable bolts using a new double shear instrument, experimental study, and numerical simulation
A newly developed double shear apparatus without contact between concrete blocks was
developed to conduct a series of double shear tests. This new double shear apparatus is …
developed to conduct a series of double shear tests. This new double shear apparatus is …
Effect of pretension on the performance of cable bolts and its optimisation in underground coal mines with various geological conditions
Pretension is the pre-added axial tensile force on fully grouted bolt systems, which include
rock bolts and cable bolts. Although a series of studies via lab testing and analytical …
rock bolts and cable bolts. Although a series of studies via lab testing and analytical …
Mineralogically influenced stress corrosion cracking of rockbolts and cable bolts in underground mines
Stress corrosion cracking (SCC) of rockbolts and cable bolts in underground mines has
been identified as a serious international problem over the past two decades. The frequent …
been identified as a serious international problem over the past two decades. The frequent …
An experimental framework for simulating stress corrosion cracking in cable bolts
Stress corrosion cracking (SCC) of cable bolts in underground mines is a universal issue
with limited cost effective solutions at present. Understanding the SCC mechanism of cable …
with limited cost effective solutions at present. Understanding the SCC mechanism of cable …
Laboratory investigation on shear behaviors of bolt–grout interface subjected to constant normal stiffness
C Zhang, G Cui, L Deng, H Zhou, J Lu, F Dai - Rock Mechanics and Rock …, 2020 - Springer
Shear behavior of the bolt–grout interface basically depends on site-specific boundary
conditions, ie, initial normal stress and normal stiffness of the borehole wall. Few studies …
conditions, ie, initial normal stress and normal stiffness of the borehole wall. Few studies …
Assessing the mechanical performance of different cable bolts based on design of experiments techniques and analysis of variance
Many experimental studies have been carried out to characterise the mechanical
performance of cable bolts under axial or shear loading. The common limitation in all these …
performance of cable bolts under axial or shear loading. The common limitation in all these …