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An Enhanced Positional Error Compensation Method for Rock Drilling Robots Based on LightGBM and RBFN. [PDF]
Front Neurorobot, 2022 Rock drilling robots are able to greatly reduce labor intensity and improve efficiency and quality in tunnel construction. However, due to the characteristics of the heavy load, large span, and multi-joints of the robot manipulator, the errors are ...
Zhou X +6 more
europepmc +2 more sources
International Journal of Coal Science and Technology, 2021 The rock uniaxial compressive strength (UCS) is the basic parameter for support designs in underground engineering. In particular, the rock UCS should be obtained rapidly for underground engineering with complex geological conditions, such as soft rock ...
Bei Jiang, Qi Wang
exaly +2 more sources
An analytical model for estimating rock strength parameters from small-scale drilling data
Journal of Rock Mechanics and Geotechnical Engineering, 2019 The small-scale drilling technique can be a fast and reliable method to estimate rock strength parameters. It needs to link the operational drilling parameters and strength properties of rock.
Alireza R Baghbanan
exaly +3 more sources
Testing method of rock structural plane using digital drilling
Journal of Rock Mechanics and Geotechnical EngineeringThe rock mass consists of rock blocks and structural planes, which can reduce its integrity and strength. Therefore, accurately obtaining the characteristics of the rock mass structural plane is a prerequisite for evaluating stability and designing ...
Bei Jiang
exaly +3 more sources
Journal of Rock Mechanics and Geotechnical Engineering, 2019 In many engineering applications such as mining, geotechnical and petroleum industries, drilling operation is widely used. The drilling operation produces sound by-product, which could be helpful for preliminary estimation of the rock properties ...
Chvijaya Kumar, Harsha Vardhan
exaly +3 more sources
Drilling-based measuring method for the c-φ parameter of rock and its field application
International Journal of Mining Science and TechnologyThe technology of drilling tests makes it possible to obtain the strength parameter of rock accurately in situ. In this paper, a new rock cutting analysis model that considers the influence of the rock crushing zone (RCZ) is built.
Bei Jiang, Qi Wang
exaly +3 more sources
Drilling Processes with Hydraulic Percussion Rock Drills
Journal of MMIJ, 2017 Rock drills were developed about two hundred years ago, and hydraulic percussion rock drills are about half-century old. Performance and efficiency of rock drills have been increased by a number of researchers and engineers.
Kimihiro HASHIBA +2 more
doaj +3 more sources
Jin'gangshi yu moliao moju gongcheng, 2023 The hot-pressing sintering experiments were carried out under the conditions of sintering temperature of 950 ℃, holding time of 5 mins and different sintering pressures.
Zhiming WANG +5 more
doaj +1 more source
Lateral Dynamic Response of Helical Pile in Viscoelastic Foundation Considering Shear Deformation
Applied Sciences, 2023 Helical piles are a new type of pile that has good application prospects, and researchers have carried out an in-depth investigation into their vertical uplift and compressive bearing capacity.
Xiaoyan Yang +4 more
doaj +1 more source
Drilling Path Planning of Rock-Drilling Jumbo Using a Vehicle-Mounted 3D Scanner
Sustainability, 2023 Achieving intelligent rock excavation is an important development direction in underground engineering construction. Currently, some rock-drilling jumbos are able to perform autonomous operations under ideal contour surfaces.
Yongfeng Li +5 more
semanticscholar +1 more source