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Strength-increase mechanism and microstructural characteristics of a biotreated geomaterial

Chi LI, Siriguleng BAI, Tuanjie ZHOU, Hanlong LIU, Xiao QIN, Shihui LIU, Xiaoying LIU, Yang XIAO

Frontiers of Structural and Civil Engineering 2020, Volume 14, Issue 3,   Pages 599-608 doi: 10.1007/s11709-020-0606-7

Abstract: The purpose of this study is to explore the strength-increase mechanism and microstructural characteristicsThe results show that longer mineralization time results in higher-strength biotreated geomaterial.The strength growth rate rapidly increases in the beginning and remains stable afterwards.Therefore, the strength of the biotreated geomaterial is affected by the parent soil properties, mineralization

Keywords： biotreated geomaterial     microbially induced calcite precipitation     strength-increase mechanism     microstructural    

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Study of mechanism of activating flux increasing weld penetration of AC A-TIG welding for aluminum alloy

HUANG Yong, FAN Ding, FAN Qinghua

Frontiers of Mechanical Engineering 2007, Volume 2, Issue 4,   Pages 442-447 doi: 10.1007/s11465-007-0076-9

Abstract: penetration of AC welding, it is believed that the constriction of the whole arc root is not the main mechanismthe separate distribution of slag on the weld pool results in the great constriction of arc spots, an increasein arc spot force, and an increase in Lorentz force within the arc and weld pool.

Keywords： A-TIG welding     surface     DCEN     electrode negative     increase    

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Zero increase in peak discharge for sustainable development

Xing Fang, Junqi Li, Yongwei Gong, Xiaoning Li

Frontiers of Environmental Science & Engineering 2017, Volume 11, Issue 4, doi: 10.1007/s11783-017-0935-5

Abstract: Most of the developed countries require a zero increase in peak discharge for any land development, andThe policy of zero increase in peak discharge can be considered as historical and early stage for theThe zero-increase policy links to financial responsibility and sustainability for construction of urbanThe connections and differences among LID practices, the zero-increase policy, and the flood controlWe promote and advocate the zero-increase policy on peak discharge for comprehensive stormwater management

Keywords： Stormwater management     Detention basin     Zero increase     Peak discharge     Sustainable development     Design rainfall    

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Damage propagation and strength prediction of a single-lap interference-fit laminate structure

Peng ZOU, Xiangming CHEN, Hao CHEN, Guanhua XU

Frontiers of Mechanical Engineering 2020, Volume 15, Issue 4,   Pages 558-570 doi: 10.1007/s11465-020-0591-5

Abstract: on the bolted interference fit of a single-lap laminated structure to reveal the damage propagation mechanismand strength change law.The deformation and damage propagation of the specimen were analyzed, and the failure mechanism of intralaminar

Keywords： single-lap     interference fit     secondary bending moment     damage mechanism     bearing strength    

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Shear strength model of the reinforced concrete beams with embedded through-section strengthening bars

Linh Van Hong BUI; Phuoc Trong NGUYEN

Frontiers of Structural and Civil Engineering 2022, Volume 16, Issue 7,   Pages 843-857 doi: 10.1007/s11709-022-0834-0

Abstract: Effects of critical variables on the beam shear strength, including the compressive strength of concreteA promising method based on the bond mechanism between ETS strengthening and concrete is then proposedobtained from this study can also serve researchers and engineers in selection of the proper shear strength

Keywords： embedded through-section     strengthening     fiber-reinforced polymer     finite element     shear strength model     bond mechanism    

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Studying the New Strength-toughen Mechanisms,Developing a New Field of Ultra-high Steel

Zhao Zhenye,Li Zhi,Liu Tianqi,Zhu Jieyuan

Strategic Study of CAE 2003, Volume 5, Issue 9,   Pages 39-42

Abstract:

The new strength-toughen mechanisms, such as super fine Martensitic laths, new strength phases, LavesBy means of them a new type of low carbon stainless steel, 14Cr-12Co-5Mo-Me, with ultra-high strength

Keywords： ultra-high strength stainless steel     Martensitic lath     strength-toughen mechanism    

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The cavitation erosion damage process of dynamically loaded journal bearings

MA Yan-yan, CHENG Xian-hua

Frontiers of Mechanical Engineering 2006, Volume 1, Issue 4,   Pages 461-464 doi: 10.1007/s11465-006-0059-2

Abstract: The numerical results show that the values of equivalent plastic strain and void volume fraction increase

Keywords： bearing     fraction increase     collapse     process     evolvement    

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Light-Based Chips Promise to Slash Energy Use and Increase Speed

Mitch Leslie

Engineering 2021, Volume 7, Issue 9,   Pages 1195-1196 doi: 10.1016/j.eng.2021.07.005

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Evaluating the material strength from fracture angle under uniaxial loading

Jitang FAN

Frontiers of Structural and Civil Engineering 2019, Volume 13, Issue 2,   Pages 288-293 doi: 10.1007/s11709-018-0480-8

Abstract: The most common experimental methods of measuring material strength are the uniaxial compressive andCompressive strength is higher than tensile strength for a material.In this work, a unified relation of material strength under uniaxial compression and tension is developedThis constitutive relation is quantitatively illustrated by a function for analyzing the material strengthIt is full of interest to give a scientific illustration for designing the high-strength materials and

Keywords： strength     fracture     mechanics    

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Significant increase of assimilable organic carbon (AOC) levels in MBR effluents followed by coagulation

Xiaojie Shi, Zhuo Chen, Yun Lu, Qi Shi, Yinhu Wu, Hong-Ying Hu

Frontiers of Environmental Science & Engineering 2021, Volume 15, Issue 4, doi: 10.1007/s11783-020-1360-8

Abstract: Abstract • Annual AOCs in MBR effluents were stable with small increase in warmer seasons. • Significantincrease in AOC levels of tertiary effluents were observed. • Coagulation in prior to ozonation can

Keywords： Assimilable organic carbon (AOC)     MBR effluents     Tertiary treatments     Coagulation     Ozonation    

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The effects of interfacial strength on fractured microcapsule

Luthfi Muhammad MAULUDIN, Chahmi OUCIF

Frontiers of Structural and Civil Engineering 2019, Volume 13, Issue 2,   Pages 353-363 doi: 10.1007/s11709-018-0469-3

Abstract: The effects of interfacial strength on fractured microcapsule are investigated numerically.attention is given to the effects of cohesive fracture on the microcapsule interface, namely fracture strengthmicrocapsule, the load carrying capacity of self-healing material under tension increases as interfacial strengthIn addition, given the fixed fracture strength of the interface of microcapsule shell, the higher the

Keywords： interfacial strength     cohesive elements     microcapsule     core-shell thickness ratio     fracture properties    

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Effect of loading rate on shear strength parameters of mechanically and biologically treated waste

Frontiers of Environmental Science & Engineering 2022, Volume 16, Issue 12, doi: 10.1007/s11783-022-1595-7

Abstract:

● Mechanical behavior of MBT waste affected by loading rate was investigated.

Keywords： Mechanically and biologically treated waste     Landfill     Triaxial test     Loading rate     Axial strain     Shear strength    

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The strength–dilatancy characteristics embraced in hypoplasticity

Zhongzhi FU, Sihong LIU, Zijian WANG

Frontiers of Structural and Civil Engineering 2013, Volume 7, Issue 2,   Pages 178-187 doi: 10.1007/s11709-013-0191-0

Abstract: The strength-dilatancy characteristics of frictional materials embraced in the hypoplastic model proposedThe flow rule, the failure state surface equation and the strength-dilatancy relationship embraced inThe performance of the two hypoplastic models in reproducing the relationship between the peak strengthNumerical investigations show that the performance in reproducing the strength-dilatancy relationship

Keywords： strength     dilatancy     hypoplasticity     frictional materials    

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Slender reinforced concrete shear walls with high-strength concrete boundary elements

Frontiers of Structural and Civil Engineering 2023, Volume 17, Issue 1,   Pages 138-151 doi: 10.1007/s11709-022-0897-y

Abstract: advancements in the field of concrete materials over the past few decades, concrete mixes of high compressive strength, commonly referred to as high-strength concrete (HSC), have been developed.The finite-element model of a conventional normal-strength concrete (NSC) prototype wall was validatedThe HSC wall exhibited improved strength and stiffness, and thereby, allowed reduction in the longitudinalreinforcement area and size of the boundary elements for the same strength of the conventional wall.

Keywords： slender walls     high-strength concrete     rectangular and barbell-shaped walls     cold joints    

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Effect of environment change on the strength of cement/lime treated clays

Takenori HINO, Rui JIA, Seiji SUEYOSHI, Tri HARIANTO

Frontiers of Structural and Civil Engineering 2012, Volume 6, Issue 2,   Pages 153-165 doi: 10.1007/s11709-012-0153-y

Abstract: The mechanism of the ground environment change and its effect on the strength of cement/lime treatedThe strength development of improved soil using cement and lime in different curing environments wasinvestigated in the laboratory for studying the effect of environment change on the strength also.Also, it has been found that the initial strength increase of the improved soil is related to the dissolvedWhen examining the long-term strength for preventing strength degradation, the effect of environmental

Keywords： soil solidification     ground environment     strength deterioration     pH     oxidation-reduction potential (ORP)    

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Title Author Date Type Operation

Strength-increase mechanism and microstructural characteristics of a biotreated geomaterial

Chi LI, Siriguleng BAI, Tuanjie ZHOU, Hanlong LIU, Xiao QIN, Shihui LIU, Xiaoying LIU, Yang XIAO

Journal Article

Study of mechanism of activating flux increasing weld penetration of AC A-TIG welding for aluminum alloy

HUANG Yong, FAN Ding, FAN Qinghua

Journal Article

Zero increase in peak discharge for sustainable development

Xing Fang, Junqi Li, Yongwei Gong, Xiaoning Li

Journal Article

Damage propagation and strength prediction of a single-lap interference-fit laminate structure

Peng ZOU, Xiangming CHEN, Hao CHEN, Guanhua XU

Journal Article

Shear strength model of the reinforced concrete beams with embedded through-section strengthening bars

Linh Van Hong BUI; Phuoc Trong NGUYEN

Journal Article

Studying the New Strength-toughen Mechanisms,Developing a New Field of Ultra-high Steel

Zhao Zhenye,Li Zhi,Liu Tianqi,Zhu Jieyuan

Journal Article

The cavitation erosion damage process of dynamically loaded journal bearings

MA Yan-yan, CHENG Xian-hua

Journal Article

Light-Based Chips Promise to Slash Energy Use and Increase Speed

Mitch Leslie

Journal Article

Evaluating the material strength from fracture angle under uniaxial loading

Jitang FAN

Journal Article

Significant increase of assimilable organic carbon (AOC) levels in MBR effluents followed by coagulation

Xiaojie Shi, Zhuo Chen, Yun Lu, Qi Shi, Yinhu Wu, Hong-Ying Hu

Journal Article

The effects of interfacial strength on fractured microcapsule

Luthfi Muhammad MAULUDIN, Chahmi OUCIF

Journal Article

Effect of loading rate on shear strength parameters of mechanically and biologically treated waste

Journal Article

The strength–dilatancy characteristics embraced in hypoplasticity

Zhongzhi FU, Sihong LIU, Zijian WANG

Journal Article

Slender reinforced concrete shear walls with high-strength concrete boundary elements

Journal Article

Effect of environment change on the strength of cement/lime treated clays

Takenori HINO, Rui JIA, Seiji SUEYOSHI, Tri HARIANTO

Journal Article