Results 181 to 190 of about 81,581 (351)
Remanufacturing and Benefits Analysis of Construction Machinery Hydraulic Valves [PDF]
, 2016 Dong Xu, Jie Zhang
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Deep Underground Science and Engineering, EarlyView.A scientometric analysis of 2449 journal articles and a comprehensive review of 336 papers were conducted, discussing and identifying challenges and research gaps in rockburst prediction and prevention and proposing an ontology‐based framework for better decision‐making in underground excavations. Abstract With underground engineering projects becoming
Hongchuan Yan +6 more
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An extension of the Dewey decimal system of classification applied to the engineering industries [PDF]
, 1912 Breckenridge, Lester Paige +1 more
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Risk Assessment of a Tunnelling Process Using Machinery Failure Mode and Effects Analysis (MFMEA) [PDF]
In recent years, risk management associated with safety and reliability of the process especially in oil and gas industry has been widely used. For this purpose, different methods of risk analysis have been developed and successfully applied.
جعفری, محمدجواد +1 more
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Influence of Collapse of Cavitation Bubble Cloud on Erosion of Solid Surface in Hydraulic Machinery [PDF]
, 2018 Kohei Okita +5 more
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Deep Underground Science and Engineering, EarlyView.This paper investigates the high‐pressure water jet‐pick combined rock‐breaking mode (HPC), which employs high‐pressure water jets to precut grooves on both sides of the picks. The rock‐breaking patterns and performance of the HPC method are obtained, and the auxiliary rock‐breaking mechanism of water jet grooving is revealed.
Jingjing Lu +6 more
wiley +1 more source
Strain Sensor-Based Fatigue Prediction for Hydraulic Turbine Governor Servomotor in Complementary Energy Systems. [PDF]
Sensors (Basel)Hua H, Zhang Z, Liu X, Deng W.
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Deep Underground Science and Engineering, EarlyView.This study investigates ground subsidence during tunnel excavation in karst areas, highlighting the combined effects of karst cave proximity, cave size, and soil spatial variability. Findings suggest that shorter cave distances and larger cave sizes increase subsidence variability, and a modified Peck formula is proposed for more accurate subsidence ...
Zhenghong Su +4 more
wiley +1 more source
Analysis and reinforcement design of power concentrated joints in steel arch splicing mechanisms for tunnel boring machines. [PDF]
Sci RepYu X, He Y, Xu Z, Zheng X.
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