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颗粒破碎

考虑颗粒破碎效应的粒状材料本构研究:进展及发展

考虑颗粒破碎效应的粒状材料本构研究:进展及发展. 第34卷 第12期 岩 土 工 程 学 报 Vol.34 No.12 2012/ . 12/ Chinese Journal of Geotechnical Engineering Dec. 2012. . 本构研

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一种基于离散元的模拟颗粒破碎方法 - cgejournal

一种基于离散元的模拟颗粒破碎方法 - cgejournal

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基于离散元法的颗粒破碎模拟研究进展

本文回顾了基于离散元法的颗粒破碎模拟方法的发展历程和特点,分析了两种主要的模拟方法,即基于颗粒黏结模型和基于碎片替换法的颗粒破碎模拟方法,并讨论了破碎模式和破碎准

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颗粒材料破碎行为数值分析方法研究综述

颗粒材料在自然界和工程领域普遍存在, 外载荷作用下颗粒可能发生破碎现象. 颗粒材料的破碎行为会引起其物理力学性质的变化, 给工程和建筑建设带来极大影响. 研究宏、细观尺度

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堆石料颗粒破碎强度的尺寸和形状效应隐式离散元研究

采用隐式离散元法(DEM),亦称非光滑接触动力学(NSCD)法,模拟了堆石料单颗粒的一维压缩破碎过程。采用多面体颗粒近似真实堆石料颗粒的不规则棱角状形状,并通过Voronoi空间划分将母颗粒离散成若干多面体

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颗粒材料破碎演化路径细观热力学机制 - cstam.cn

1)颗粒材料破碎演化路径细观热力学机制. 2)( 河海大学水利水电学院,南 京210098)摘要颗粒材料在高应力环境下会发生颗粒破碎现象,颗粒破碎不仅影响颗粒材料的力学特性,同时与

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颗粒土壤中的颗粒破碎:综述,Particulate Science and Technology

在颗粒破碎测量中,大多数颗粒破碎指标是根据土壤级配的变化提出的。颗粒表面积的增加和概率方法也用于量化颗粒破损。在颗粒破碎的基本原理中,粒状土的可碎性主要与土的

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基于离散元法的颗粒破碎模拟研究进展

摘要: 颗粒破碎对颗粒集合体的力学响应有着显著的影响。. 由于试验手段的限制,基于物理试验的颗粒破碎细观尺度的研究受到很大制约。. 离散元法为从不同尺度上研究颗粒破碎对

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颗粒土中颗粒破碎及其力学响应:回顾与展望 - X-MOL

颗粒土在自然界中含量丰富,并广泛用于工程目的。了解这些材料的颗粒破碎与其机械响应之间的相关性对于施工和危险评估至关重要。本研究回顾并总结了颗粒破碎的最新研究成

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CN104502529B - 新型膨胀珍珠岩模型沙及其制备方法 - Google

CN104502529B CN201410655629.XA CN201410655629A CN104502529B CN 104502529 B CN104502529 B CN 104502529B CN 201410655629 A CN201410655629 A CN 201410655629A CN 104502529 B CN104502529 B CN 104502529B Authority CN China Prior art keywords particle unit weight base material model model sasnd Prior art date

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Ranking of "grain breakage" publishing agencies in

Download scientific diagram Ranking of "grain breakage" publishing agencies in China, 2001~2021 表 2. 2001~2021 /中国"颗粒破碎"发文机构排名 from publication: Visualization ...

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CN107845433B - 一种mox粉末成形剂与润滑剂添加方法 - Google

一种MOX粉末成形剂与润滑剂添加方法,包括以下步骤:步骤一:选取硬质酸锌;步骤二:将硬质酸锌颗粒在15~40℃,真空度0. ...

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(PDF) Evolution of critical state of calcareous sand during particle ...

2021/8/1  关键词 :颗粒破碎 ;钙质砂;离 散元;级配演化; 临界状态 中图分类号: TU441 文献标识码 : A 文章编号: 1000 – 4548(2021)08 – 1511 – 07

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grain breakage meaning in Chinese - ichacha

grain breakage in Chinese : 颗粒破碎. click for more detailed Chinese translation, meaning, pronunciation and example sentences.

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CN107845433A - 一种mox粉末成形剂与润滑剂添加方法 - Google

一种MOX粉末成形剂与润滑剂添加方法,包括以下步骤:步骤一:选取硬质酸锌;步骤二:将硬质酸锌颗粒在15~40℃,真空度0. ...

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(PDF) One-dimensional mechanical behavior of granular

2010/10/1  关 键 词: 砂土 ;一维压缩;颗粒破碎 ;分形;表面张 力 中图分类号: TU 411 文献标识码 : A One-dimensional mechanical be h avior of granular material

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CN103071517B - 一种硫酸钙分解生产氧化钙的催化剂及其制备方

CN103071517B CN201310035685.9A CN201310035685A CN103071517B CN 103071517 B CN103071517 B CN 103071517B CN 201310035685 A CN201310035685 A CN 201310035685A CN 103071517 B CN103071517 B CN 103071517B Authority CN China Prior art keywords catalyst oxide molecular sieve calcium sulfate decomposes Prior art

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Brittle Failure in Heterogeneous Crystalline Rocks

2008/3/1  Brittle materials have many excellent properties for structural applications, whereas the brittleness and disorder due to defects and micro-cracks cause failure.

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CN105110360A - 一种回收利用BaO处理钛白废水的方法 - Google

CN105110360A CN201510426097.7A CN201510426097A CN105110360A CN 105110360 A CN105110360 A CN 105110360A CN 201510426097 A CN201510426097 A CN 201510426097A CN 105110360 A CN105110360 A CN 105110360A Authority CN China Prior art keywords tio bao titanium dioxide molecular sieve baso Prior art date 2015-07

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Role of particle crushing on particle kinematics and shear banding

2018/6/1  The paper provides an in-depth exploration of the role of particle crushing on particle kinematics and shear banding in sheared granular materials.

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Shear band formation in lunar regolith by discrete element analyses

2016/4/29  Few studies in shear band formation have considered the environmental conditions on the Moon, which however are significant for lunar regolith failure in future lunar exploration activities.

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(PDF) Study of evolution of sand crushability based on discrete ...

2014/9/10  Detailed knowledge of crushability evolution and particle-scale energy allocation behavior under the influence of particle breakage is of fundamental importance to the development of ...

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Discrete Element Analysis for Shear Band Modes of

2016/3/11  The essence of macroscopic shear band phenomena is the cumulative cooperation of granular scale particle rearrangements. In this work, we report an experimental study to present the granular scale ...

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Role of particle crushing on particle kinematics and

2018/6/1  Contours of granular temperature at different axial strain levels of FM-2.0-30: aεa=2.5%\documentclass[12pt]{minimal} \usepackage{amsmath} \usepackage{wasysym ...

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Shear band formation in lunar regolith by discrete

2016/4/29  Few studies in shear band formation have considered the environmental conditions on the Moon, which however are significant for lunar regolith failure in future lunar exploration activities.

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(PDF) Study of evolution of sand crushability based

2014/9/10  Detailed knowledge of crushability evolution and particle-scale energy allocation behavior under the influence of particle breakage is of fundamental importance to the development of ...

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Discrete Element Analysis for Shear Band Modes of

2016/3/11  The essence of macroscopic shear band phenomena is the cumulative cooperation of granular scale particle rearrangements. In this work, we report an experimental study to present the granular scale ...

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(PDF) New paradigm for modern soil mechanics ... - ResearchGate

2019/2/1  With the continuous advances in geotechnical engineering practice, especially in deep-underground, deep-sea and deep-space areas (engineering of three-deep-area), geo-engineers are faced with ...

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(PDF) A study on bearing characteristics of single pile in calcareous ...

2015/6/10  Results of in situ test on coral sand indicated the ultimate side friction of driven pile was as little as 20% of the expected values and it didn't change with embedded depth (Angemeer et al ...

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(PDF) Characterization of particle breakage with grading entropy

2014/6/1  关键词: 贝壳砂;颗粒破碎;粒度熵;三轴试验 中图分类号: TU411.2 文献标识码: A 文章编号: 1000 – 4548(2014)06 – 115 2 – 08

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(PDF) 岛礁吹填珊瑚砂力学行为与颗粒破碎特性试验研究

2020/7/13  关 键 词: 珊瑚砂;颗粒破碎;摩擦角;割线模量;围压;相对密实度 中图分类号: TU 411 文献标识码: A 文章编号: 1000 - 7598 (2020) 10 - 3181 - 11

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CN107837761A - 一种mox粉末滚动球化方法 - Google Patents

CN107837761A CN201610834835.6A CN201610834835A CN107837761A CN 107837761 A CN107837761 A CN 107837761A CN 201610834835 A CN201610834835 A CN 201610834835A CN 107837761 A CN107837761 A CN 107837761A Authority CN China Prior art keywords mox nodularization min speed rolling zinc stearate Prior art date 2016

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Effect of Particle Grading on the Response of an ... - ResearchGate

2011/8/1  The effects of particle-size distribution on a granular assemblage's mechanical response were studied through a series of numerical triaxial tests using the three-dimensional (3D) discrete-element ...

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CN109535000A - 一种制备碳酸甲乙酯的方法 - Google Patents

CN109535000A CN201811524061.2A CN201811524061A CN109535000A CN 109535000 A CN109535000 A CN 109535000A CN 201811524061 A CN201811524061 A CN 201811524061A CN 109535000 A CN109535000 A CN 109535000A Authority CN China Prior art keywords reactive distillation tower column distillation column methyl ethyl Prior

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CN115354182A - 一种原位生长TiAl3骨架的织构Ti3AlC2增强铝基复

一种原位生长TiAl3骨架的织构Ti3AlC2增强铝基复合材料的制备方法,涉及一种铝基复合材料的制备方法。为了解决低温 ...

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Unified hardening (UH) model for clays and sands Request PDF

2019/8/15  A unified model for clays and sands, referred to as CSUH model, is proposed. The CSUH model develops the following aspects based on the unified hardening (UH) model: (a) a curved normal ...

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Particle-scale mechanics of sand crushing in compression and shearing ...

2015/9/1  Request PDF Particle-scale mechanics of sand crushing in compression and shearing using DEM In this paper, the discrete element method is used to explore why differing amounts of breakage ...

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