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Dynamic deformation characteristics and microscopic analysis of xanthan gum-treated silty soil during wetting process
《Journal of Rock Mechanics and Geotechnical Engineering》2025年第2期1149-1162,共14页Junran Zhang Mengyi Jia Tong Jiang Shoji Kato De'an Sun You Gao Zheng Yang 
supported by the Postgraduate Education Reform and Quality Improvement Project of Henan Province,China(Grant No.YJS2023AL004);the Graduate Innovation Project of North China University of Water Resources and Electric Power(Grant No.NCWUYC-202315069);the China National Scholarship Fund organized by the China Scholarship Council(Grant No.202208410337).
The deformation characteristics of silty soils under vibrational loads can easily change due to the wetting process,leading to the failure of roadbed structures.Commonly used methods for improving silty soils in engin...
关键词：Xanthan gum Unsaturated silty soil dynamic deformation characteristics Scanning electron microscope Water retention characteristics 
Influences of strain rate on mechanical behaviors of unsaturated and quasi-saturated loess under varying drainage conditions
《Journal of Rock Mechanics and Geotechnical Engineering》2025年第2期1163-1181,共19页Tongwei Zhang Sheng Li Hengxing Lan Huyuan Zhang Fanyu Zhang 
Although time-dependent deformation of geomaterials underpins slope-failure prediction models,the influence of strain rate on shearing strength and deformation behavior of loess remains unclear.The consolidated undrai...
关键词：Unsaturated loess Strain rate Shearing strength Deformation modulus Drainage conditions 
An effective stress-based DSC model for predicting hydromechanical shear behavior of unsaturated collapsible soils subjected to initial shear stress
《Journal of Rock Mechanics and Geotechnical Engineering》2025年第1期539-555,共17页Saman Soleymani Borujerdi S.Mohsen Haeri Amir Akbari Garakani Chandrakant SDesai 
Evaluation of hydromechanical shear behavior of unsaturated soils is still a challenging issue. The time and cost needed for conducting precise experimental investigation on shear behavior of unsaturated soils have en...
关键词：Unsaturated collapsible soil Initial shear stress Hydromechanical shear behavior Effective stress Disturbed state concept Critical state 
Investigation of magnesium phosphate cement on river dredged sludge with varying humic acid content and solidification mechanism
《Journal of Rock Mechanics and Geotechnical Engineering》2025年第1期573-585,共13页Xiaoyi Yuan Lei Peng Bing Chen 
This research work was financially supported by the National Natural Science Foundation of China(Grant No.51972209).
This paper investigated the use of magnesium phosphate cement (MPC) for solidifying sludge with different humic acid (HA) content (ranging from 0 to 4.5%) and explored the solidification mechanism. Fluidity, setting t...
关键词：Sludge solidification MPC Unsaturated spontaneous imbibition Strength mechanism Humic acid 
Stability analysis of cut-fill and deep patch unsaturated slopes under steady infiltration conditions
《Science China(Technological Sciences)》2025年第1期352-363,共12页Fei ZHANG Shilin JIA Yufeng GAO 
supported by the National Natural Science Foundation of China(Grant Nos.52378335 and 52322808);the Qinglan Project of Jiangsu Province of China。
Cut-fill slopes,as an economical solution in mountainous road construction,are typically jeopardized by cracks and rainfall.Deep patch repair with geosynthetics is an effective technique to mitigate these issues.This ...
关键词：slope stability limit analysis unsaturated soil geosynthetic-reinforced slope cut-fill slope deep patch 
Water retention behavior and shear strength of artificially cemented granite residual soil subjected to free drying
《Journal of Rock Mechanics and Geotechnical Engineering》2024年第11期4697-4710,共14页Xinxin Dong Xiaohua Bao Hongzhi Cui Changjie Xu Xiangsheng Chen 
supported by the National Natural Science Foundation of China (Grant Nos.52379104,42202298);Joint fund of National Natural Science Foundation of China-Railway Corporation for basic research of high-speed railway (Grant No.U1934208).
Artificially cemented soils have been widely used as filling materials in highway and railway construction.The shear strength evolution of filling materials upon moist variation can determine the stability of subgrade...
关键词：Granite residual soil Cement treatment DUAL-POROSITY Water retention behavior Unsaturated shear strength 
An improved creep model for unsaturated reticulated red clay
《Journal of Rock Mechanics and Geotechnical Engineering》2024年第11期4754-4768,共15页Chuang Zhang Junhui Zhang Jianzhong Li 
supported by the National Science Fund for Distinguished Young Scholars (Grant No.52025085);the National Key Research and Development Program of China (Grant No.2021YFB2600900);the Open Fund of Key Laboratory of Special Environment Road Engineering of Hunan Province,China (Changsha University of Science and Technology) (Grant No.kfj230606).
Establishment of a creep model is an important method to analyze the relationship between soil creep deformation and time,and the element model is widely used for studying soil creep.However,the element creep model is...
关键词：Fractional calculus Creep model BURGERS Parameter study Unsaturated reticulated red clay 
Iridium-Catalyzed asymmetric reduction of α,β-Unsaturated nitriles with water
《Green Synthesis and Catalysis》2024年第3期175-179,共5页Qinli Lu Xianming Wang Wanliu Wen Ruifeng Fan Binfeng Zhu Bingjie Zhou Jingchao Chen Baomin Fan 
grateful to the National Natural Science Foundation of China(Nos.21961045 and 22061048);the Basic Research Project of Chongqing Academy of Chinese Materia Medica(No.jbky20190028);the Fund Project of Yunnan Key Laboratory of Pharmacology for Natural Products(No.YKLPNP-K2303);Yunnan Provincial Key Laboratory Construction Plan Funding of Universities;Yunnan Provincial Engineering Research Center Construction Plan Funding of Universities for their financial support.
The nitrile compounds are present in a variety of biologically active natural products and pharmaceuticals,and the nitrile groups are versatile synthetic intermediates to other functionalized compounds.Herein,the asym...
关键词：Asymmetric reduction Unsaturated nitriles WATER PROPIONITRILE IRIDIUM DIBAL-H 
Asymmetric Autotandem Palladium Catalysis forα,β-Unsaturated Lactones:Merging Olefin and Ester Hydrogenation
《CCS Chemistry》2024年第8期1987-1999,共13页Lei Sun Han Wang Die Bai Chang-Bin Yu Bo Wu Rong-Zhen Liao Yong-Gui Zhou 
the National Natural Science Foundation of China(grant no.22171260);the K.C.Wong Education Foundation(grant no.GJTD-2020-08);the Bureau of Science and Technology(grant no.XLYC2002080)of Liaoning Province for financial support.
Autotandem catalysis(ATC)is fascinating since a single catalyst can promote tandem reactions involving two or more mechanisms in a single reactor and is a highly desirable approach to realize multifarious transformati...
关键词：autotandem catalysis asymmetric hydrogenation chiral dihydrocoumarins hydrogenation of esters α β-unsaturated esters 
Reaction Kinetics and Secondary Organic Aerosol Composition Analysis of 2-Cyclohexen-1-one with NO_(3) Radicals
《Chemical Research in Chinese Universities》2024年第4期730-736,共7页HU Lin TONG Shengrui XU Yanyong ZHANG Hailiang YU Shanshan CHEN Meifang GE Maofa 
supported by the National Natural Science Foundation of China(Nos.42130606,42022039);the Fund of the Beijing National Laboratory for Molecular Sciences China(No.BNLMS-CXXM-202011);the Project of the Youth Innovation Promotion Association of Chinese Academy of Sciences(No.Y2021013).
Unsaturated ketones are typical oxygenated volatile organic compounds(OVOCs)with high reactivity,and are important precursors in air pollution.The sources of OVOCs are complex and include direct emissions and secondar...
关键词：KINETICS Unsaturated ketone Nitrate radical Secondary organic aerosol 
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