A5102016881- Rock Mechanics and Modeling
- Fatigue and fracture mechanics
- Geotechnical Engineering and Underground Structures
- Numerical methods in engineering
- Natural Fiber Reinforced Composites
- Thermochemical Biomass Conversion Processes
- Corrosion Behavior and Inhibition
- Lignin and Wood Chemistry
- Civil and Geotechnical Engineering Research
- Landslides and related hazards
- Recycling and utilization of industrial and municipal waste in materials production
- Geoscience and Mining Technology
- Soil, Finite Element Methods
- Advanced Cellulose Research Studies
- Metal and Thin Film Mechanics
- Domain Adaptation and Few-Shot Learning
- Multimodal Machine Learning Applications
- Drilling and Well Engineering
- Hydrogen embrittlement and corrosion behaviors in metals
- Welding Techniques and Residual Stresses
- Mechanical stress and fatigue analysis
- Advanced Neural Network Applications
- Magnesium Alloys: Properties and Applications
- activated carbon and charcoal
- Groundwater and Watershed Analysis
Qingdao University of Science and Technology
2023-2025
Zhejiang Academy of Forestry
2009-2025
Sichuan University
2017-2022
Shenyang Aerospace University
2022
China Coal Technology and Engineering Group Corp (China)
2020
Google (United States)
2017
Ocean University of China
2017
South China University of Technology
2013
Shaanxi Normal University
2011-2012
Guangxi University
2012
We introduce a new large-scale data set of video URLs with densely-sampled object bounding box annotations called YouTube-BoundingBoxes (YT-BB). The consists approximately 380,000 segments about 19s long, automatically selected to feature objects in natural settings without editing or post-processing, recording quality often akin that hand-held cell phone camera. represent subset the COCO [32] label set. All were human-annotated high-precision classification labels and boxes at 1 frame per...
Abstract The maximum tangential strain (MTSN) criterion has been modified to include the effects of T ‐stress and stress intensity factors in conditions both plane strain. Further, Poisson's ratio affecting crack propagation are also discussed according extended MTSN (EMTSN) criterion, which is a criterion. Finally, generalized (GMTS) EMTSN used predict test results obtained with central cracked Brazilian disc (CCBD) specimens. indicate that have remarkable influence on mixed mode fracture...
Abstract The maximum tangential strain energy density (MTSED) criterion was modified by taking the influences of stress intensity factors and T‐stress into consideration for combined mode I–III brittle fracture. Furthermore, Poisson's ratio influencing fracture characteristics cracked components were discussed using extended MTSED criterion. Moreover, predicted values this some testing results comparatively analysed. indicate that have no impact on out‐of‐plane initiation angle; however,...
Under mild conditions, formic acid effectively separates the components of lignocellulose, removing majority hemicellulose and lignin from cellulose. However, it has not yet been determined if multiple treatments with fresh may totally remove lignin. In this study, was used to repeatedly pretreat bamboo powder, effect on physicochemical structure powder investigated using changes in fractions, enzymatic hydrolysis, hydrophilicity, cellulose crystallinity, structure. Although hydrophilicity...
Complex propagation patterns of hydraulic fractures often play important roles in naturally fractured formations due to complex mechanisms. Therefore, understanding and the geometry is essential for fracturing design. In this work, a seepage–stress–damage coupled model based on finite pore pressure cohesive zone (PPCZ) method was developed investigate fracture behavior reservoir. Compared with traditional element method, global insertion elements realizes arbitrary fluid-driven fractures....
Water–rock interactions can significantly deteriorate the physical and mechanical properties of rocks, it has been identified as one significant factors influencing stability safety structures in rock–soil engineering. In this study, fracture sandstone under periodic water–rock long-term immersion have studied with central cracked Brazilian disk specimens. The degradation mechanism was also using a scanning electron microscope (SEM). Finally, generalized maximum tangential stress strain...
The crack-propagation form may appear as an arbitrary mixed-mode fracture in engineering structure due to irregular internal crack. It is of great significance research the materials with cracks. coupling effect multiple variables (crack height ratio, horizontal deflection angle and vertical angle) on parameters such stress intensity factors T-stress are key points this paper. A three-point bending specimen inclined crack was proposed used conduct research. were obtained by finite element...
Bamboo is susceptible to mould and attack by fungi because of its high content starch sugar. To make bamboo-based outdoor materials, a new type bamboo timber with improved resistance antibacterial activity, coated reduced graphene oxide nanocrystal ZnO (abbreviated as RGO@ZnOBT), was fabricated two-step dip-dry hydrothermal process. A possible synthesis mechanism for RGO@ZnOBT investigated X-ray diffraction, scanning electron microscopy, transmission microscope, energy-dispersal analysis,...
The chemical fertilizers are abused to improve crop yields, which cause lots of soil problems (e.g., compaction and native nutrient loss). We thus investigated the potential combination biochar wood vinegar as a new type fertilizer replace traditional fertilizer. results in this study showed that combined addition with had greatest promotion effect on plant growth cucumber. Compared control treatment, significantly increased height, root length, volume tips by 29.7%, 117%, 121% 76.1%,...
A new numerical method, verified by the analytical solution of weight functions and experimental paths, is developed to evaluate crack initiation propagation generally in mixed mode (I-II). This method combining interaction integral maximum tangential stress (MTS) criterion based on finite element secondary development. The influence combined confining pressure diametric forces trajectories for CCBD specimens are studied. It indicated that direction independent keeps same with line original...
This paper concerns the effect of friction on crack propagation for centrally cracked Brazilian disk under diametric forces by using a modified finite element method. It shows that mode II stress intensity factor decreases obviously with increase after is closed, while has no influence I and T-stress. Meanwhile, there are some significant influences due to change closed appropriate loading angle relative length crack. When T-stress positive, becomes obvious increases lager coefficient. With...