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Demonstration of the Principle of Interaction between Plastic Volume Strain and Shear for Rock and Soil

Wang Jingtao

Strategic Study of CAE 2006, Volume 8, Issue 9,   Pages 24-29

Abstract:

The paper proposed a principle of interaction between plastic volume strains of and shear for rockand soil.

Keywords: principle of interaction between plastic volume strain and shear strain for rock and soil     constitutiverelation of rock and soil     pressure-sensitivity     dilatancy    

Effect of interface adhesion factor on the bearing capacity of strip footing placed on cohesive soiloverlying rock mass

Frontiers of Structural and Civil Engineering 2021, Volume 15, Issue 6,   Pages 1494-1503 doi: 10.1007/s11709-021-0768-y

Abstract: The problem related to bearing capacity of footing either on pure soil or on pure rock mass has beenrock mass.overlying rock mass is determined in this study.−Brown yield criterion is utilized to model the rock mass at failure.mass strength parameters of beneath rock mass layer.

Keywords: bearing capacity     soil-rock interface     Hoek−Brown yield criterion     plasticity     limit analysis    

Several basic problems in plastic theory of geomaterials

Yuanxue LIU, Jiawu ZHOU, Zhongyou LI, Chen CHEN, Yingren ZHENG

Frontiers of Structural and Civil Engineering 2009, Volume 3, Issue 1,   Pages 81-84 doi: 10.1007/s11709-009-0016-3

Abstract: Based on the basic mechanical properties of geomaterials, it was proven that the Drucker Postulate and the classical theory of plasticity can not be applied to geomaterials. Moreover, several basic problems of plastic theory of geomaterials were discussed. Based on the strict theoretical analysis, the following have been proven: the single yield surface model based on the classical theory of plasticity is unsuitable for geomaterials whether the rule of associated flow is applied or not; the yield surface of geomaterials is not unique, and its number is the same as the freedoms of plastic strain increment; the yield surface is not convex; and the rule of associated flow is unsuitable for geomaterials.

Keywords: constitutive relation     geomaterials     classial plastic theory     Drucker Postulate     yield surface     flow rule    

Research on the Quasi-static and Dynamic Properties and Constitutive Relation of Carbon Fiber-reinforced

Zhang Tai,Wang Xiaojun,Wang Zhihai,Guo Yang,Wang Yuanbo

Strategic Study of CAE 2006, Volume 8, Issue 5,   Pages 63-68

Abstract: A new nonlinear viscoelastic constitutive model is proposed and the coefficients in the constitutiveThe influence of temperature on the constitutive equation is remarkable, and its effects can be described

Keywords: carbon fiber-reinforced phenolic composite     dynamic properties     viscoelasticity     constitutive model     time-temperature    

Development of a constitutive model for rockfills and similar granular materials based on the disturbed

Mehdi VEISKARAMI, Ali GHORBANI, Mohammadreza ALAVIPOUR

Frontiers of Structural and Civil Engineering 2012, Volume 6, Issue 4,   Pages 365-378 doi: 10.1007/s11709-012-0178-2

Abstract: curve shows an elasto-plastic behavior which suggests using the disturbed state concept to develop a constitutiveThe presented constitutive model complies reasonably with the experimental data.

Keywords: constitutive model     granular material     rockfill     plasticity     disturbed state concept     stress level    

Hypoplastic constitutive modeling of wetting deformation of weathered rockfill materials

Erich BAUER, Zhongzhi FU, Sihong LIU,

Frontiers of Structural and Civil Engineering 2010, Volume 4, Issue 1,   Pages 78-91 doi: 10.1007/s11709-010-0011-8

Abstract: wetting deformations for high earth and rockfill dams is a strong motivation to establish a suitable constitutiveRecently, the hypoplastic constitutive model by Gudehus and Bauer was extended by introducing solid hardnessFinally, the constitutive model proposed is used to study the influence of a degradation of the solid

Keywords: rockfill dams     weathered granular materials     hypoplasticity     solid hardness     creep     stress relaxation    

Numerical modeling of nonlinear deformation of polymer composites based on hyperelastic constitutive

Qingsheng YANG, Fang XU

Frontiers of Mechanical Engineering 2009, Volume 4, Issue 3,   Pages 284-288 doi: 10.1007/s11465-009-0067-0

Abstract: polymer composites using a micromechanical model and finite deformation theory based on the hyperelastic constitutive

Keywords: composites     hyperelastic     finite deformation     homogenization     micromechanics    

Description and reasoning of integrated topological and directional relation of bodies in 3D space

Liu Xin,Li Chengming and Liu Wenbao

Strategic Study of CAE 2013, Volume 15, Issue 5,   Pages 8-13

Abstract: According to definition of integrated topological and direction relation, the qualitative reasoning of

Keywords: spatial relation     topological relation     direction relation     integrated topological and direction relation    

Entity and relation extraction with rule-guided dictionary as domain knowledge

Frontiers of Engineering Management   Pages 610-622 doi: 10.1007/s42524-022-0226-0

Abstract: Entity and relation extraction is an indispensable part of domain knowledge graph construction, whichThe existing entity and relation extraction methods that depend on pretrained models have shown promisingRelation extraction is based on the hypothesis that the relations hidden in sentences are unified, therebyship relation datasets is improved by +1%, +6%, +2%, and +1%, respectively.In addition, the extraction accuracy of entity relation triplet reaches 83% and 76% on laser industry

Keywords: entity extraction     relation extraction     prior knowledge     domain rule    

Fundamental Issues Towards Unified Design Theory of Recycled and Natural Aggregate Concrete Components Article

Jianzhuang Xiao, Kaijian Zhang, Tao Ding, Qingtian Zhang, Xuwen Xiao

Engineering 2023, Volume 29, Issue 10,   Pages 188-197 doi: 10.1016/j.eng.2023.03.017

Abstract: unified design theory and provides an in-depth demonstration of the strength determination, compressive constitutiveThe uniaxial compressive constitutive relationship between NAC and RAC has a unified mathematical expression

Keywords: Recycled aggregate concrete (RAC)     Natural aggregate concrete (NAC)     Strength determination     Constitutiverelation     Reliability     Unified design theory    

Damage-constitutive model for seawater coral concrete using different stirrup confinements subjected

Frontiers of Structural and Civil Engineering 2023, Volume 17, Issue 3,   Pages 429-447 doi: 10.1007/s11709-022-0913-2

Abstract: Moreover, a damage-constitutive model of CAC considering the lateral stress was set up based on damageThe lateral stress model showed a good agreement with the experimental data, and the proposed damage-constitutive

Keywords: concrete     stress−strain curves     lateral effective stress     peak stress     axial−lateral curves     damage-constitutive    

Computational methods for fracture in rock: a review and recent advances

Ali JENABIDEHKORDI

Frontiers of Structural and Civil Engineering 2019, Volume 13, Issue 2,   Pages 273-287 doi: 10.1007/s11709-018-0459-5

Abstract: overview of the most popular state-of-the-art computational methods available for modelling fracture in rockmethods which can be found elsewhere but particularly address their potential in modelling fracture in rockFurthermore, we also address ‘general’ difficulties that may arise for simulating fracture in rock andfractured rock.

Keywords: numerical modelling     method development     rock mechanics     fractured rock     rock fracturing    

Endochronic damage constitutive model for fully-graded aggregate mass concrete

SONG Yupu, WANG Huailiang

Frontiers of Structural and Civil Engineering 2007, Volume 1, Issue 3,   Pages 274-280 doi: 10.1007/s11709-007-0035-x

Abstract: endochronic theory with damage mechanics and on the quantities of experimental data, an endochronic damage constitutive

Keywords: concept     surface     design     concern     strength    

Correction to: Effect of undercut on the lower bound stability of vertical rock escarpment using finite

Frontiers of Structural and Civil Engineering doi: 10.1007/s11709-023-0035-5

Abstract: Correction to: Effect of undercut on the lower bound stability of vertical rock escarpment using finite

Keywords: finite element power     stability rock escarpment    

Macrozoobenthic assemblages in relation to environments of the Yangtze-isolated lakes

Baozhu PAN, Haijun WANG, Hongzhu WANG, Zhaoyin WANG

Frontiers of Environmental Science & Engineering 2012, Volume 6, Issue 2,   Pages 246-254 doi: 10.1007/s11783-011-0381-8

Abstract: Eutrophication can shift lakes from a clear, macrophyte-dominated state to a turbid, algae-dominated state, and different habitat condition supports different fauna. Macrozoobenthos are good indicators of water environment, and studies on macrozoobenthic assemblage characteristics can help us to know which state a lake is in, thus provide the basis for its eutrophication control. In this study, a systematic investigation on macrozoobenthos was conducted in 17 Yangtze-isolated lakes to explore the macroecological laws of macrozoobenthic assemblages. Detrended correspondence analysis (DCA) revealed that variance of benthic assemblage structure occurred in two types of lakes. In macrophytic lakes, altogether 51?taxa of macrozoobenthos were identified. The average density and biomass of total macrozoobenthos were 2231?individuals·m and 1.69 g dry weight·m , respectively. Macrozoobenthic assemblage was characterized by dominance of scrapers (i.e. gastropods). In algal lakes, altogether 20 taxa of macrozoobenthos were identified. The average density and biomass of total macrozoobenthos were 2814 individuals·m and 1.38 g dry weight·m , respectively. Macrozoobenthic assemblage was characterized by dominance of collector-gatherers (i.e. oligochaetes). Wet biomass of submersed macrophytes ( ) and phytoplankton chlorophyll concentration ( ) were demonstrated as the key factor structuring macrozoobenthic assemblages in macrophytic and algal lakes, respectively.

Keywords: macrozoobenthos     assemblage characteristics     environment analyses     macrophytic lake     algal lake    

Title Author Date Type Operation

Demonstration of the Principle of Interaction between Plastic Volume Strain and Shear for Rock and Soil

Wang Jingtao

Journal Article

Effect of interface adhesion factor on the bearing capacity of strip footing placed on cohesive soiloverlying rock mass

Journal Article

Several basic problems in plastic theory of geomaterials

Yuanxue LIU, Jiawu ZHOU, Zhongyou LI, Chen CHEN, Yingren ZHENG

Journal Article

Research on the Quasi-static and Dynamic Properties and Constitutive Relation of Carbon Fiber-reinforced

Zhang Tai,Wang Xiaojun,Wang Zhihai,Guo Yang,Wang Yuanbo

Journal Article

Development of a constitutive model for rockfills and similar granular materials based on the disturbed

Mehdi VEISKARAMI, Ali GHORBANI, Mohammadreza ALAVIPOUR

Journal Article

Hypoplastic constitutive modeling of wetting deformation of weathered rockfill materials

Erich BAUER, Zhongzhi FU, Sihong LIU,

Journal Article

Numerical modeling of nonlinear deformation of polymer composites based on hyperelastic constitutive

Qingsheng YANG, Fang XU

Journal Article

Description and reasoning of integrated topological and directional relation of bodies in 3D space

Liu Xin,Li Chengming and Liu Wenbao

Journal Article

Entity and relation extraction with rule-guided dictionary as domain knowledge

Journal Article

Fundamental Issues Towards Unified Design Theory of Recycled and Natural Aggregate Concrete Components

Jianzhuang Xiao, Kaijian Zhang, Tao Ding, Qingtian Zhang, Xuwen Xiao

Journal Article

Damage-constitutive model for seawater coral concrete using different stirrup confinements subjected

Journal Article

Computational methods for fracture in rock: a review and recent advances

Ali JENABIDEHKORDI

Journal Article

Endochronic damage constitutive model for fully-graded aggregate mass concrete

SONG Yupu, WANG Huailiang

Journal Article

Correction to: Effect of undercut on the lower bound stability of vertical rock escarpment using finite

Journal Article

Macrozoobenthic assemblages in relation to environments of the Yangtze-isolated lakes

Baozhu PAN, Haijun WANG, Hongzhu WANG, Zhaoyin WANG

Journal Article