Qingyang Ren |  Senlin Gao... -  《International journal for numerical and analytical methods in geomechanics》 - 2025,49(3) - 1038～1057 - 共20页

摘要：ABSTRACT In order to reveal the influence of double arc‐shaped fissure dip angles on the macro‐micro failure and energy evolution laws of rock masses, a numerical model of red sandstone was firstly es...

关键词： constitutive model |  crack propagation |  dissipative energy |  double arc‐shaped fissure |  particle flow code

Qingyang Ren |  Xin Meng... -  《International journal for numerical and analytical methods in geomechanics》 - 2024,48(9) - 2285～2302 - 共18页 - 被引量：1

摘要：Abstract The generalized model and parameter equation for the internal fracture surface of tensile type anchor cable anchorage section are constructed, and the calculation model of ultimate bearing ca...

关键词： anchor cable |  calculation model |  fracture surface |  pullout test |  ultimate bearing capacity

Songqiang Xiao |  Juchong Xiao... -  《Construction & Building Materials》 - 2024,416(Feb.16) - 135128.1～135128.20 - 共20页

摘要：Based on the coupling algorithm of smoothed particle hydrodynamics and finite element method, numerical simulation of high-velocity water jet impacting heterogeneous concrete containing aggregates acc...

关键词： High-velocity water jet |  SPH-FEM method |  Aggregate concrete |  Fracture characteristic |  Failure mechanism

Qingyang Ren |  Feifei Wang... -  《KSCE journal of civil engineering》 - 2023,27(6) - 2486～2496 - 共11页

摘要：Reinforced concrete anti-slide pile is a typical anti-slide installation under horizontal load. Its stress is essentially the cantilever beam working under the combined action of bending moment and sh...

关键词： Anti-slide pile |  Internal force change |  Crack width and length |  Law of crack propagation

Feifei Wang |  Qingyang Ren... -  《Bulletin of engineering geology and the environment》 - 2023,82(4) - 147.1～147.16 - 共16页 - 被引量：5

摘要：Landslides are a commonly occurring hazard in open-pit mines. Despite extensive research on this phenomenon, there is still a lack of understanding of the mechanism involved in landslides in open-pit ...

关键词： Mining engineering |  Engineering geology |  Open-pit landslides |  Evolution mechanism |  Field investigation

Xin Meng |  Qingyang Ren... -  《Engineering computations: International journal for computer-aided engineering and software》 - 2023,40(9/10) - 2730～2753 - 共24页 - 被引量：1

摘要：Purpose-The purpose of this paper is to simulate the tension process of tension-type anchor cable and to explore the mechanical characteristics and tension-torsion coupling effect of anchor cable subj...

关键词： Anchor cable |  Simulation |  Mechanical characteristics |  Tension-torsion coupling effect

Honghua Jin |  Qingyang Ren... -  《Iranian Journal of Science and Technology, Transaction of Civil Engineering》 - 2023,47(6) - 3699～3715 - 共17页

摘要：In order to reveal the evolution process of durability performance of anti-slide piles under the coupling action of long-term thrust loading and sulfate ions attack, a test system of cantilever anti-s...

关键词： Cantilever anti-slide pile |  Long-term thrust loading |  Sodium sulfate solution attack |  Bearing characteristics |  Evolution process

Lin Li |  Bo Huang... -  《Ocean engineering》 - 2023,290(Dec.15) - 116379.1～116379.13 - 共13页 - 被引量：5

摘要：The advantages of Floating Breakwater encompass its adaptability to varying water depths and tidal ranges, as well as its economic viability, mobility, and ease of installation. However, limited resea...

关键词： Coastal bridge |  Box-girder |  Focused waves |  Wave-structure interaction |  Perforated floating breakwater

Yuta Saito |  Qingyang Ren... -  《International Conference on Machine Learning: ICML 2023, Honolulu, Hawaii, USA, 23-29 July 2023, Part 37 of 54》 -  International Conference on Machine Learning - 2023, - 29734～29759 - 共26页

摘要：We study off-policy evaluation (OPE) of contextual bandit policies for large discrete action spaces where conventional importance-weighting approaches suffer from excessive variance. To circumvent thi...