STRATA

作品数:566被引量:1207H指数:16
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相关机构:长安大学湖北武黄高速公路大修工程指挥部泓丰智慧家居科技(北京)有限公司泰易家居(天津)有限公司更多>>
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Large deformation problems arising from deep excavation in silt strata:A case study in Shenzhen,China
《Journal of Rock Mechanics and Geotechnical Engineering》2025年第4期2576-2589,共14页Xuefeng Ou Wei Liao Xiangcou Zheng Guofu Yang Ashraf S.Osman 
supported by the National Natural Science Foundation of China (Grant Nos.52008039 and 52308425);the Natural Science Foundation of Hunan Province (Grant No.2021JJ40592).
Deep excavations in silt strata can lead to large deformation problems,posing risks to both the excavation and adjacent structures.This study combines field monitoring with numerical simulation to investigate the unde...
关键词:Silt strata Deep excavation Large deformation Deformation mechanism Treatment measures 
Tree mycorrhizal strategies regulate diversity-productivity relationships across forest strata along soil fertility
《Forest Ecosystems》2025年第2期335-345,共11页Ying Che Guangze Jin 
financially supported by the Natural Science Foundation of Heilongjiang Province of China(No.TD2023C006);the Fundamental Research Funds for the Central Universities(No.2572022DS13).
The symbiotic relationships between trees and different mycorrhizal fungi affect the biodiversity-ecosystem functioning relationships within forest communities,particularly across different strata from the understorey...
关键词:Arbuscular mycorrhizal ECTOMYCORRHIZAL Soil fertility Forest productivity Species diversity 
An Analytic Solution of Stress Distribution Around a Shallow Buried Hollow Cylinder Karst Cave in Limestone Strata
《International Journal of Plant Engineering and Management》2025年第1期1-16,共16页DU Luyi LI Wu LI Zhaojie LI Xiang DONG Jinshuang XIE Peng 
supported by National Natural Science Foundation of China(42002293,52068019);Hainan Provincial Natural Science Foundation of China(520QN229,422RC599);Independent Innovation Fund Project of Tianjin University and Hainan University(KF2022⁃03);Scientific Research Startup Foundation of Hainan university(KYQD(2R)1969);Systematic Project of Key Laboratory of Geological Hazards on Three Gorges Reservoir Area(Three Gorges University),Ministry of Education(2020KDZ04).
The chief objective of the article is to learn the spatial characteristics of stress distribution around a shallow buried cylinder Karst cave in limestone strata.Firstly,taking into account the geometry of limestone f...
关键词:cylinder Karst cave shallow buried spatial stress distribution of surrounding rock love displacement function three⁃dimensional explicit finite difference 
Progress on Multi-Field Coupling Simulation Methods in Deep Strata Rock Breaking Analysis
《Computer Modeling in Engineering & Sciences》2025年第3期2457-2485,共29页Baoping Zou Chenhao Pei Qizhi Chen Yansheng Deng Yongguo Chen Xu Long 
supported by the National Natural Science Foundation of China(Grant Nos.42477185,41602308);the Zhejiang Provincial Natural Science Foundation of China(Grant No.LY20E080005);the Postgraduate Course Construction Project of Zhejiang University of Science and Technology(Grant No.2021yjskj05).
The utilization of multi-field coupling simulation methods has become a pivotal approach for the investigation of intricate fracture behavior and interaction mechanisms of rock masses in deep strata.The high temperatu...
关键词:Multi-field coupling numerical simulation MULTI-SCALE information transfer DISCONTINUITY 
Laboratory and field tests on soil conditioning for earth pressure balance shield tunneling in composite strata with different sand–rock ratios
《Frontiers of Structural and Civil Engineering》2025年第3期411-426,共16页Kangjian ZHANG Zhiqiang ZHANG Chuanxiang LIU 
supported by the National Natural Science Foundation of China(Grant No.52378414);the Natural Science Basis Research Plan in Shaanxi Province of China(No.2019JLP-23).
The excavated soil in the chamber of an earth pressure balance (EPB) shield is typically required to achieve a plastic flow state during tunneling to ensure a stable excavation face and the smooth discharge of soil. W...
关键词:soil conditioning earth pressure balance shield composite strata sand-rock ratio model test 
Tree diversity drives understory carbon storage rather than overstory carbon storage across forest types
《Journal of Forestry Research》2025年第1期87-101,共15页Saif Ullah Jianping Wu Jawad Ali Shah Xuemei Wang Yueming Lyu Zhiwen Guo Kashif Ali Deyun Chen Han Sun 
supported by the Fundamental Research Funds for the Central Universities(2021ZY89);the National Natural Science Foundation of China(32201258 and 32271652);Research Service Project on the Effects of Extreme Climate on Biodiversity and Conservation Strategies in Mentougou District(2024HXFWBH-XJL-02);the Fang Jingyun Ecological Study Studio of Yunnan Province(China);the State Scholarship Fund of China(2011811457);support to the Xingdian Scholar Fund of Yunnan Province;the Double Top University Fund of Yunnan University.
Although numerous studies have proposed explanations for the specific and relative effects of stand structure,plant diversity,and environmental conditions on carbon(C)storage in forest ecosystems,understanding how the...
关键词:Forest types Forest height Stand factors ELEVATION Forest strata 
STRATA应力吸收层配合比设计及施工技术研究
《运输经理世界》2024年第36期22-24,共3页简薇 
STRATA应力吸收层性能优异,但尚未列入相关规范,为促进其推广应用,参照国内外研究成果,结合实际工程案例,分析STRATA应力吸收层材料要求,提出适合我国国情的应力吸收层配合比设计及施工技术,并验证其实施效果,以期为同类工程提供参考。
关键词:STRATA 应力吸收层 配合比设计 
Responses of a short column-supported highrise tower to adjacent deep excavations in water-rich sandy strata and dynamic optimization of protection plans
《Frontiers of Structural and Civil Engineering》2024年第11期1775-1793,共19页Jun-Cheng LIU Yong TAN 
National Natural Science Foundation of China(Grant No.42177179).
A highrise tower atop short columns in Nantong,China was threatened by excavation of a subway station nearby.Although an elaborate protection plan composed of isolation piles,artificial recharge and underpinning was e...
关键词:highrise tower EXCAVATION piled-raft footing PROTECTION field performance numerical simulation 
Exploration breakthrough and factors for enrichment and high-yield of hydrocarbons in ultra-deep clastic rocks in Linhe Depression,Hetao Basin,NW China
《Petroleum Exploration and Development》2024年第5期1109-1121,共13页WU Xi SHI Yuanpeng CHEN Shuguang WU Han CAI Jun DAN Weining LIU Xiheng WANG Xiaokun ZHANG Ximeng ZHANG Jianli 
Supported by the China National Petroleum Corporation(CNPC)Project(2023ZZ14-01)。
Based on drilling and logging data,as well as geological experiments,the geological characteristics and factors controlling high-yield and enrichment of hydrocarbons in ultra-deep clastic rocks in the Linhe Depression...
关键词:Hetao Basin Linhe Depression ultra-deep strata Linhe Formation Well Hetan101 enrichment factor 
Occurrence of Mafic Rocks within Ediacaran Strata in the Aksu Region,NW Tarim Craton,and its Geological Implications
《Acta Geologica Sinica(English Edition)》2024年第5期1244-1254,共11页XIE Hongzhe ZHU Xiangkun WANG Xun HE Yuan SHEN Weibing 
supported by funding from the National Key Research and Development Program of China(Grant No.2022YFF0800100);National Natural Science Foundation of China and the China Geological Survey(Grant No.U2244210)。
The Tarim Craton is an ancient Precambrian continental block,and detailed knowledge of its thermo-tectonic history is crucial for understanding the early history of continental evolution.Abundant layered mafic rocks,w...
关键词:TECTONICS STRATIGRAPHY mafic rocks NEOPROTEROZOIC Tarim Craton 
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