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Characterization and Geotechnical Classification of Soils and Lateritic Gravelly Materials along the Songololo-Lufu Road Axis (Kongo Central Province, DR Congo): 《Journal of Geoscience and Environment Protection》2024年第5期355-372,共18页Jean-Luc Albini Tshupa Blaise Mutombo Kabulu Ivon Ndala Tshiwisa Clément N’zau Umba-Di-Mbudi; This study aims to characterize from a geotechnical point of view, the soils as well as the lateritic gravels along the Songololo-Lufu road route in the Kongo Central Province in the Democratic Republic of Congo (DRC)...; 关键词：Songololo-Lufu Lateritic Gravels CLASSIFICATION GEOTECHNICAL NRC

Three-dimensional(3D)parametric measurements of individual gravels in the Gobi region using point cloud technique: 《Journal of Arid Land》2024年第4期500-517,共18页JING Xiangyu HUANG Weiyi KAN Jiangming; funded by the National Natural Science Foundation of China(42071014).; Gobi spans a large area of China,surpassing the combined expanse of mobile dunes and semi-fixed dunes.Its presence significantly influences the movement of sand and dust.However,the complex origins and diverse materia...; 关键词：Gobi gravels three-dimensional(3D)parameters point cloud 3D reconstruction Random Sample Consensus(RANSAC)algorithm Density-Based Spatial Clustering of Applications with Noise(DBSCAN)

Analysis of morphological characteristics of gravels based on digital image processing technology and self-organizing map被引量：1: 《Journal of Arid Land》2023年第3期310-326,共17页XU Tao YU Huan QIU Xia KONG Bo XIANG Qing XU Xiaoyu FU Hao; funded by the National Natural Science Foundation of China(41971226,41871357);the Major Research and Development and Achievement Transformation Projects of Qinghai,China(2022-QY-224);the Strategic Priority Research Program of the Chinese Academy of Sciences(XDA28110502,XDA19030303).; A comprehensive understanding of spatial distribution and clustering patterns of gravels is of great significance for ecological restoration and monitoring.However,traditional methods for studying gravels are low-effi...; 关键词：self-organizing map digital image processing morphological characteristics multivariate statistical method environmental monitoring

Dynamic properties of polyurethane foam adhesive-reinforced gravels被引量：4: 《Science China(Technological Sciences)》2021年第3期535-547,共13页LIU Ping MENG MinQiang XIAO Yang LIU HanLong YANG Gui; the National Natural Science Foundation of China(Grant Nos.51709139 and 51678094)。; Polyurethane foam adhesive(PFA)has been introduced as an alternative stabilizer in geotechnical applications because PFA can improve the engineering characteristics of soil by filling the pore space and generating adh...; 关键词：polyurethane foam adhesive GRAVEL shear modulus damping ratio cyclic triaxial test

Sieving Error from Dry-Separating Silt-Sand-Gravel Soils: 《Open Journal of Civil Engineering》2019年第4期311-318,共8页Hans Ronnqvist; RQV Teknik AB; The dry-separation method is an alternative to the wet-preparation in the current European Standard for the determination of particle size distributions by the sieving of soils. Due to the risk of error, dry-separatio...; 关键词：Laboratory Tests Particle-Scale Behavior SILTS SANDS GRAVELS Standards & Codes of Practice

Preliminary <i>k</i>-Values of Unbound Natural Quartzitic Gravels for Mechanistic-Empirical Pavement Design: 《Open Journal of Civil Engineering》2017年第4期509-526,共18页Edmund Obeng Yaw A. Tuffour Daniel A. Obeng Bernard Koranteng-Yorke; The generalized constitutive model relating the resilient modulus (MR) of flexible pavement layer materials to stress state, adopted by the Mechanistic-Empirical Pavement Design Guide (MEPDG), contains a set of consta...; 关键词：Flexible Pavement Index Properties k-Values Mechanistic-Empirical Design Quartzitic GRAVEL Resilient Modulus

Words of the Editor-in-Chief——Academic discussion is an effective measure to promote scientific development被引量：2: 《Journal of Palaeogeography》2017年第3期219-223,共5页Zeng-Zhao Feng; Van Loon et al.＇s paper ＂The response of stromatolites to seismic shocks： Tomboliths from the Palaeoproterozoic Chaibasa Formation, E India＂ with a new term ＂tomboliths＂ and original viewpoints should be publish...; 关键词：Tomboliths Seismic shocks Stromatolitic bioclasts Stromatolitic gravels Stromatolites Softsediment deformation structures（SSDS） Academic discussion A hundred flowers blossom and a hundred schools of thought contend Geological practice

Assessment of Geotechnical Properties of Lateritic Gravels from South-Cameroon Road Network: 《International Journal of Geosciences》2017年第8期949-964,共16页Philémon Zo’o Zame Philippe Samba Assomo Josephine Nchekwube Onwualu; The southern road network covers the eastern, central and southern administrative regions;its linear network of national and provincial roads is about 5 620 km. It was the subject of a survey for the identification of...; 关键词：Properties Lateritic GRAVEL Tests GEOTECHNICAL Characterization FOUNDATION LAYERS

Discovery of the ancient Ordovician oil-bearing karst cave in Liuhuanggou,North Tarim Basin,and its significance被引量：6: 《Science China Earth Sciences》2012年第9期1406-1426,共21页ZHONG JianHua MAO Cui LI Yong LI Yang YUAN XiangChun NIU YongBin CHEN Xin HuANG ZhiJuan SHAO ZhuFu WANG PeiJun LI Jia ZHANG DanFeng; supported by National Basic Research Program of China (Grant Nos.2006CB202401,2011CB201001);National Major Projects of Gas and Oil (Grant No. 2008ZX05014-002); A typical ancient karst cave is found in the Yijianfang Formation of Ordovician at Liuhuanggou,North Tarim Basin.With an entrance of 4.8 m wide and 20 m high,the Liuhuanggou ancient karst cave extends to NW 315° and ...; 关键词：ancient karst cave palaeotravertine coated gravels FAULTS oil sulfur Liuhuanggou North Tarim Basin

Response of grain size of Quaternary gravels to climate and tectonics in the northern Tibetan Plateau被引量：3: 《Science China Earth Sciences》2007年第1期81-91,共11页FU KaiDao FANG XiaoMin GAO JunPing HAN WenXia LI LiLi; Supported by NSFC (Grant Nos. 40334038 and 40421001);the National Basic Research Program of China (Grant No. 2005CB422000);the President Fund Program of Chinese Academy of Sciences; The widely distributed thick gravel deposits along the rim of the Tibetan Plateau have been long thought to be the product of rapid tectonic uplift of the plateau. However, this has been challenged by recent works tha...; 关键词：TIBETAN Plateau Jiuxi Basin GRAVELS grain sizes CLIMATE changes tectonics.

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