Results 221 to 230 of about 4,394,416 (242)

Study on the dynamic tensile properties and damage mechanisms of thermally treated granite under acid cooling. [PDF]

Sci Rep
Yin T, Song J, Liu F, Zhao Y, Li S, Li X.   +5 more
europepmc   +1 more source

Scaling laws for rockfall impact fragmentation emerging from diverse lithologies. [PDF]

Sci Rep
Vergara Á, Palma S, Fuentes R.
europepmc   +1 more source

Disaster causing mechanism and monitoring of dynamic and static load coupling of deep multi layer hard roof. [PDF]

Sci Rep
Fu X, Zeng L, Rong H, Zhang H, Liu T, Song J.   +5 more
europepmc   +1 more source

A Coupled Model of Acid Transport, Gel Cleanup, and Fracture Propagation in Prepad Acid Fracturing. [PDF]

Gels
Zhang W, Sun Y, Meng X, Dou R.
europepmc   +1 more source

Study on the Mechanism of High-Efficiency Rock Breaking by Hydraulic Jet Based on Explicit Dynamics

Processes, 2023
High-efficiency rock breaking by hydraulic jetting is the key to radial horizontal drilling technology. In order to improve the drilling efficiency of hydraulic jet rock breaking in radial horizontal wells, based on LS-Dyna display dynamics, a numerical ...
Gang Bi
exaly   +2 more sources

Influences of Microwave Irradiation on Rock-Breaking Efficiency of a Reduced-Scale TBM Cutter

Applied Sciences (Switzerland), 2023
To explore the influences of microwave irradiation on the rock-breaking efficiency of tunnel boring machine (TBM) cutters, a multimode cavity with a microwave power of 2100 W was used to conduct microwave irradiation tests on Chifeng basalt for different
Gaoming Lu
exaly   +2 more sources

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Optimum spacing and rock breaking efficiency of TBM double disc cutters penetrating in water-soaked mudstone with FDEM

Tunnelling and Underground Space Technology, 2023
Chengzeng Yan, Wenhui Ke
exaly  

Experimental and simulation study on rock-breaking efficiency of disc cutters on composite rocks

International Journal of Rock Mechanics and Minings Sciences, 2022
Chunshun Zhang, Sen Wen
exaly  

Factor analysis and numerical simulation of rock breaking efficiency of TBM deep rock mass based on orthogonal design

Journal of Central South University, 2022
xiaojing LI
exaly  

The effects of process parameters on the rock-breaking efficiency of multi-nozzle jet

Journal of Petroleum Science and Engineering, 2021
Liu Yanbao, Yanqing Wu, Xuelin Yang
exaly