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24 resultados encontrados.

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Generalized plasticity model for rockfill materials
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Generalized plasticity model for rockfill materials
BIAN Shi-hai 1,2,3, LI Guo-ying 2,3, WEI Kuang-min 2,3, ZHOU Jian 1 · Editorial Office of Chinese Journal of Geotechnical Engineering · 2017 · ISSN 1000-4548
Based on the experimental results and previous studies, the stress ratio at the failure (Mf) under different confining pressures is modified, and the pressure dependency of plastic modulus is discussed. Considering the i...
LCC LCC:Engineering geology. Rock mechanics. Soil mechanics. Underground constructionIdioma eng
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Geology and Discovery Record of the Trinil Pithecanthropus erectus Site, Java
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Geology and Discovery Record of the Trinil Pithecanthropus erectus Site, Java
Frank Huffman et al · Paleoanthropology Society · 2022 · ISSN 1545-0031
The scientific utility of Eugène Dubois’ Pithecanthropus erectus (P.e.) specimens and other paleontological finds from Trinil has been impaired for over a century by questions about provenience. Firsthand accounts and...
LCC TENDOkZvc3NpbCBtYW4uIEh1bWFuIHBhbGVvbnRvbG9neQ~~; LCC:ArchaeologyIdioma eng
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Control and realization of generalized stress paths in HCA test
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Control and realization of generalized stress paths in HCA test
DONG Tong 1, ZHENG Ying-ren 1,2, KONG Liang 3, ZHE Mei 4 · Editorial Office of Chinese Journal of Geotechnical Engineering · 2017 · ISSN 1000-4548
Artificial assumptions are needed to set the generalized stress paths in hollow cylinder apparatus (HCA). The resulting limitations to imitate the generalized stress paths in HCA are analyzed. According to the function t...
LCC LCC:Engineering geology. Rock mechanics. Soil mechanics. Underground constructionIdioma eng
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Impact of data space augmentation strategy on model accuracy and generalization in thin-section rock classification
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Impact of data space augmentation strategy on model accuracy and generalization in thin-section rock classification
Magdalena Habrat et al · Nature Portfolio · 2026 · ISSN 2045-2322
Abstract The growing importance of machine learning in geological data computing, as well as in the broader geoscience and energy sectors, makes it essential to evaluate the impact of data augmentation on model performan...
LCC LCC:Medicine; TENDOlNjaWVuY2U~Idioma eng
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A proposed Pleistocene/Holocene lake in the Amazon basin and its significance to Amazonian geology and biogeography
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A proposed Pleistocene/Holocene lake in the Amazon basin and its significance to Amazonian geology and biogeography
Carl D. Frailey et al · Instituto Nacional de Pesquisas da Amazônia · 1988 · ISSN 0044-5967
Recent studies have described widespread statigraphic units of Late Pleistocene and Holocene age in the western part of the Amazon Basin. The recognition of deltaic sedimentation in the uppermost these units near Rio Bra...
LCC LCC:Science (General)Idioma eng
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An interpretable IGWO-MKRVM model for predicting excavation damaged zone thickness of drift
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An interpretable IGWO-MKRVM model for predicting excavation damaged zone thickness of drift
Ruzi Yang et al · Nature Portfolio · 2026 · ISSN 2045-2322
Abstract The stability of surrounding rock is a critical challenge in underground engineering. Accurate prediction of Excavation Damaged Zone Thickness (EDZT) in surrounding rock is vital for designing safe underground s...
LCC LCC:Medicine; TENDOlNjaWVuY2U~Idioma eng
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Advances in hydro-mechanical behaviors of buffer materials under effect of technological gaps
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Advances in hydro-mechanical behaviors of buffer materials under effect of technological gaps
CHEN Yong-gui 1, JIA Ling-yan 1, YE Wei-min 1, CUI Yu-jun 1, 2, CHEN Bao 1, WANG Ju 3 · Editorial Office of Chinese Journal of Geotechnical Engineering · 2017 · ISSN 1000-4548
The self-sealing and self-healing behaviors of technological gaps in a high-level radioactive waste repository are analyzed. The systematical findings are summarized based on the previous studies on the effects of techno...
LCC LCC:Engineering geology. Rock mechanics. Soil mechanics. Underground constructionIdioma eng
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Analytical solutions for tunnels with any shape excavated sequentially in rheological rock at great depth
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Analytical solutions for tunnels with any shape excavated sequentially in rheological rock at great depth
WANG Hua-ning 1, 2, LUO Li-sha 1, JIANG Ming-jing 2, 3 · Editorial Office of Chinese Journal of Geotechnical Engineering · 2017 · ISSN 1000-4548
The analytical solutions are presented for the sequential excavation of the tunnel with any shape in viscoelastic rock subjected to anisotropic stress conditions. The complex variable method and the Laplace transformatio...
LCC LCC:Engineering geology. Rock mechanics. Soil mechanics. Underground constructionIdioma eng
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Calculation of earth pressure on rigid retaining wall based on model indeterminacy
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Calculation of earth pressure on rigid retaining wall based on model indeterminacy
CHEN Jian-gong 1, 2, ZHANG Hai-quan 1, 2, XU Ming 3, ZHAO Xin-yao 1, 2, YANG Ze-jun 1, 2 · Editorial Office of Chinese Journal of Geotechnical Engineering · 2017 · ISSN 1000-4548
The earth pressure on rigid retaining wall considering model indeterminacy is focused. Based on the force equilibrium equations for sliding mass, the functional extreme-value isoperimetric model for earth pressure in the...
LCC LCC:Engineering geology. Rock mechanics. Soil mechanics. Underground constructionIdioma eng
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Comparative tests on strength and deformation of phyllite of northern tunnels of Longmen Mountains
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Comparative tests on strength and deformation of phyllite of northern tunnels of Longmen Mountains
WU Yong-sheng 1, TAN Zhong-sheng 1, YU Xian-bin 2, YU Yu 3, LI Lei 1, GUO Xiao-long 1 · Editorial Office of Chinese Journal of Geotechnical Engineering · 2017 · ISSN 1000-4548
The experimental tests are carried out on the strength and deformation characteristics of four typical rock samples of phyllite taken from the northern tunnels of Longmen Mountains of the Chengdou-Lanzhou Railway. The re...
LCC LCC:Engineering geology. Rock mechanics. Soil mechanics. Underground constructionIdioma eng
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Compression method for hollow cylinder specimens of saturated remolded clay and its application
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Compression method for hollow cylinder specimens of saturated remolded clay and its application
DONG Tong 1, ZHENG Ying-Ren 1,2, KONG Liang 3, ZHE Mei 4 · Editorial Office of Chinese Journal of Geotechnical Engineering · 2017 · ISSN 1000-4548
Due to the viscosity and easy-cracked characteristics of clay, series problems, such as non-homogeneity, low-saturation and microcracks, exist in the hollow cylinder specimens generally made by using the compaction metho...
LCC LCC:Engineering geology. Rock mechanics. Soil mechanics. Underground constructionIdioma eng
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Critical edaphic and altitudinal factors influencing cation exchange capacity in coffee-growing soils of northeastern Peru: implications for sustainable fertility management
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Critical edaphic and altitudinal factors influencing cation exchange capacity in coffee-growing soils of northeastern Peru: implications for sustainable fertility management
Henry Díaz-Chuquizuta et al · Frontiers Media S.A · 2026 · ISSN 2673-8619
IntroductionEffective cation exchange capacity (ECEC) is a key indicator of soil fertility and sustainable soil management assessment in coffee-growing systems.MethodsThis study aimed to identify the principal edaphic an...
LCC TENDOkNoZW1pc3RyeQ~~; LCC:Engineering geology. Rock mechanics. Soil mechanics. Underground constructionIdioma eng
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Effects of saturation on free-field responses of site due to plane P-wave incidence
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Effects of saturation on free-field responses of site due to plane P-wave incidence
LI Wei-hua 1, ZHENG Jie 2 · Editorial Office of Chinese Journal of Geotechnical Engineering · 2017 · ISSN 1000-4548
The property of the soil in free field is an important influencing factor for the free field seismic response. In the existing studies the soil at local site is supposed to be the single-phase medium or saturated porous ...
LCC LCC:Engineering geology. Rock mechanics. Soil mechanics. Underground constructionIdioma eng
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Experimental studies on effect of voids behind tunnel linings on progressive failure process of tunnel structures
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Experimental studies on effect of voids behind tunnel linings on progressive failure process of tunnel structures
ZHANG Xu 1,2, ZHANG Cheng-ping 1,2, FENG Gang 1,2, HAN Kai-hang 1,2 · Editorial Office of Chinese Journal of Geotechnical Engineering · 2017 · ISSN 1000-4548
The voids behind the tunnel linings seriously affect the interaction between the linings and the surrounding soils, generally in the form of cracking, spalling or even failure, directly affecting the safety of tunnel ope...
LCC LCC:Engineering geology. Rock mechanics. Soil mechanics. Underground constructionIdioma eng
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Experimental tests on displacement characteristics of sand subjected to impact roller compaction
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Experimental tests on displacement characteristics of sand subjected to impact roller compaction
CHEN Zhong-qing 1,2, LÜ Yue 1,2, XU Chao 3 · Editorial Office of Chinese Journal of Geotechnical Engineering · 2017 · ISSN 1000-4548
The impact roller (IR) compaction method is an efficient and cost-effective compaction technique, which has been widely used in highway and airport engineering for subgrade compaction and ground improvement of soft found...
LCC LCC:Engineering geology. Rock mechanics. Soil mechanics. Underground constructionIdioma eng
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Introduction and analysis of an accident in a shield tunnel
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Introduction and analysis of an accident in a shield tunnel
ZHENG Gang 1, 2, CUI Tao 1, 2, CHENG Xue-song 1,2, SUN Ji-bin 1, 2, GE Long-bo 1, 2 · Editorial Office of Chinese Journal of Geotechnical Engineering · 2017 · ISSN 1000-4548
The right line tunnel is leaked and the segments are damaged due to an accident happening to TBM tunneling on running section in a city. The general situations of the project, the accident process and the emergency measu...
LCC LCC:Engineering geology. Rock mechanics. Soil mechanics. Underground constructionIdioma eng
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LAGO AMAZONAS: FACT OR FANCY?
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LAGO AMAZONAS: FACT OR FANCY?
Hanna Tuomisto et al · Instituto Nacional de Pesquisas da Amazônia · 1992 · ISSN 0044-5967
It has been suggested that a huge lake, Lago Amazonas, covered a large part of the Amazon basin until as recently as two thousand years ago. According to this hypothesis, the topmost sediments in western Amazonia are alm...
LCC LCC:Science (General)Idioma eng
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MACROINVERTEBRATE ASSEMBLAGES IN GORGONA ISLAND STREAMS: SPATIAL PATTERNS DURING TWO CONTRASTING HYDROLOGIC PERIODS ENSAMBLE DE MACROINVERTEBRADOS DE LAS QUEBRADAS DE LA ISLA GORGONA: PATRONES ESPACIALES DURANTE DOS PERIODOS HIDROLÓGICOS CONTRASTANTES
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MACROINVERTEBRATE ASSEMBLAGES IN GORGONA ISLAND STREAMS: SPATIAL PATTERNS DURING TWO CONTRASTING HYDROLOGIC PERIODS ENSAMBLE DE MACROINVERTEBRADOS DE LAS QUEBRADAS DE LA ISLA GORGONA: PATRONES ESPACIALES DURANTE DOS PERIODOS HIDROLÓGICOS CONTRASTANTES
Ana M. Gómez-Aguirre et al · Universidad de Antioquia · 2009 · ISSN 0304-3584
Studies comparing various streams are scarce in tropical insular systems and inexistent in Colombia. In order to understand the spatial patterns of macroinvertebrates in tropical insular streams, and the environmental dr...
LCC LCC:Biology (General)Idioma eng
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OCR of Shanghai soft clay and its geological causes
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OCR of Shanghai soft clay and its geological causes
GAO Yan-bin 1, CHEN Zhong-qing 2 · Editorial Office of Chinese Journal of Geotechnical Engineering · 2017 · ISSN 1000-4548
Through the field vane strengths SuFV of 19 projects involving two sedimentary facies of coastal plain and lacustrine plain in Shanghai and combined with the worldwide research findings, the overconsolidation ratio (OCR)...
LCC LCC:Engineering geology. Rock mechanics. Soil mechanics. Underground constructionIdioma eng
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Probabilistic back analysis of slope failure considering spatial variability of soil properties
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Probabilistic back analysis of slope failure considering spatial variability of soil properties
JIANG Shui-hua , WEI Bo-wen , HUANG Jin-song · Editorial Office of Chinese Journal of Geotechnical Engineering · 2017 · ISSN 1000-4548
The statistics of uncertain rock and soil parameters can be updated with the information from different sources such as in-situ measurements and field observations via probabilistic back analysis, which can be further us...
LCC LCC:Engineering geology. Rock mechanics. Soil mechanics. Underground constructionIdioma eng
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Propagation and intensity characteristics of expansion gases from transient phase change of liquid oxygen with carbon-containing absorbents
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Propagation and intensity characteristics of expansion gases from transient phase change of liquid oxygen with carbon-containing absorbents
WANG Yanbing et al · Emergency Management Press · 2026 · ISSN 2096-2193
This study investigates how different carbon-containing absorbents affect the transient phase change expansion of liquid oxygen. Specifically, we prepared 3 types of liquid oxygen charges with varying carbon contents (0,...
LCC LCC:Engineering geology. Rock mechanics. Soil mechanics. Underground construction; TENDOk1pbmluZyBlbmdpbmVlcmluZy4gTWV0YIdioma eng
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Stability Evaluation of Granite Residual Soil Slopes Using an Improved G1-EWM Combined Weighting Cloud Model
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Stability Evaluation of Granite Residual Soil Slopes Using an Improved G1-EWM Combined Weighting Cloud Model
Longfei Jiang et al · Wiley · 2026 · ISSN 1687-8094
Granite residual soil (GRS) slopes are widely distributed in the humid and rainy regions around the world. Due to their unique mineral and pore composition, these soils exhibit a loose structure and are prone to softenin...
LCC LCC:Engineering (General). Civil engineering (General)Idioma eng
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Technologies for controlling water inrushes from coal seam floors under flowing water and their water plugging performance
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Technologies for controlling water inrushes from coal seam floors under flowing water and their water plugging performance
Zhibin YANG · Editorial Office of Coal Geology & Exploration · 2026 · ISSN 1001-1986
ObjectiveLimestone water hazards in coal seam floors represent one of the two primary categories of mine water hazards in China. Limestone aquifers are generally characterized by abundant static water reserves and consid...
LCC TENDOkdlb2xvZ3k~; TENDOk1pbmluZyBlbmdpbmVlcmluZy4gTWV0YWxsdXJneQ~~Idioma zho
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Triaxial tests clay reinforced by basalt fiber
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Triaxial tests clay reinforced by basalt fiber
GAO Lei 1,2, HU Guo-hui 1,2, CHEN Yong-hui 1,2, HU Yan-jie 1,2, GONG Yun-hao 1,2 · Editorial Office of Chinese Journal of Geotechnical Engineering · 2017 · ISSN 1000-4548
A series of CU triaxial tests on clay reinforced by basalt fiber are performed under controlled soil dry density conditions, and the ratio of basalt fiber content to dry soil by weight is 0.0%, 0.1%, 0.2%, 0.3% and 0.4%....
LCC LCC:Engineering geology. Rock mechanics. Soil mechanics. Underground constructionIdioma eng
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