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Strength reduction factors for structural rubbercrete

Bashar S. MOHAMMED,N. J. AZMI

Frontiers of Structural and Civil Engineering 2014, Volume 8, Issue 3,   Pages 270-281 doi: 10.1007/s11709-014-0265-7

Abstract: Many researches have been carried out to study the fresh and hardened properties of concrete containing crumb rubber as replacement to fine aggregate by volume, yet there is no specific guideline has been developed on the mix design of the rubbercrete. The experimental program, which has been developed and reported in this paper, is designed and executed to provide such mix design guidelines. A total of 45 concrete mixes with three different water to cement ratio (0.41, 0.57 and 0.68) were cast and tested for fresh and mechanical properties of rubbercrete such as slump, air content, unit weight, compressive strength, flexural strength, splitting tensile strength and modulus of elasticity. Influence of mix design parameters such as percentage of crumb rubber replacement, cement content, water content, fine aggregate content, and coarse aggregate content were investigated. Three levels of slump value (for conventional concrete mixes) has been selected; low, medium and high slump. In each slump level, water content was kept constant. Equations for the reduction factors (RFs) for compressive strength, flexural strength, splitting tensile strength and modulus of elasticity have been developed. These RFs can be used to design rubbercrete mixes based on the conventional mix (0% crumb rubber content)

Keywords： crumb rubber     recycled tire     mix design     reduction factor     strength     modulus elasticity    

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Reutilize tire in microbial fuel cell for enhancing the nitrogen removal of the anammox process coupled

Frontiers of Environmental Science & Engineering 2021, Volume 15, Issue 6, doi: 10.1007/s11783-021-1409-3

Abstract:

• MFC promoted the nitrogen removal of anammox with Fe-C micro-electrolysis.

Keywords： Waste tire     MFCs     Micro-electrolysis     Anammox     Feammox    

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Heavy vehicle dynamics with balanced suspension based on enveloping tire model

Yongjie LU, Shaopu YANG, Shaohua LI

Frontiers of Mechanical Engineering 2010, Volume 5, Issue 4,   Pages 476-482 doi: 10.1007/s11465-010-0120-z

Abstract: The tire-road contact mechanics is the key problem in vehicle ride comfort and road-friendliness researchA flexible roller contact (FRC) tire model with the enveloping property is introduced to reflect thecontact history between the tire and the road.The sprung mass accelera- tion and tire dynamic force for balanced suspension and the traditional quarter-vehicle

Keywords： heavy vehicle     integral balanced suspension     enveloping properties     ride comfort     road-friendliness    

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Ultimate bearing capacity of strip footing resting on clay soil mixed with tire-derived aggregates

Frontiers of Structural and Civil Engineering 2021, Volume 15, Issue 4,   Pages 1016-1024 doi: 10.1007/s11709-021-0751-7

Abstract: This study investigated the use of recycled tire-derived aggregate (TDA) mixed with kaolin as a method

Keywords： kaolin     physical modeling tests     stabilization     numerical modeling    

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Experimental research on seismic behavior of recycled concrete frame under varying cyclic loading

SUN Yuedong, XIAO Jianzhuang, ZHOU Deyuan

Frontiers of Structural and Civil Engineering 2008, Volume 2, Issue 4,   Pages 302-308 doi: 10.1007/s11709-008-0050-6

Abstract: A study is conducted on the seismic behavior of one natural concrete frame and two recycled concreteframes with 100% recycled coarse aggregate whose scales are 1:2 entirely, and a comparative study ishysteresis loops, displacement ductility, deterioration of strength and stiffness and energy dissipation of recycledAnalysis on the basis of the experiment proves that it is entirely feasible to apply recycled concreteTheoretical base is provided for further study and practical application of recycled concrete structure

Keywords： different     aggregate     stiffness     practical application     % recycled    

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Chloride diffusion in concrete with carbonated recycled coarse aggregates under biaxial compression

Frontiers of Structural and Civil Engineering 2023, Volume 17, Issue 4,   Pages 637-648 doi: 10.1007/s11709-023-0902-0

Abstract: attack on concrete structures is affected by the complex stress state inside concrete, and the effect of recycledEnhancing the chloride resistance of recycled concrete in a complex environment via carbonization facilitatesthe popularization and application of recycled concrete and alleviates the greenhouse effect.The results obtained demonstrate that the chloride ion diffusivity of recycled concrete first decreasesThe variation in the chloride ion diffusivity of the carbonized recycled aggregate concrete with the

Keywords： recycled concrete     carbonated recycled coarse aggregate     biaxial compression     chloride diffusion     stress    

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Long term performance of recycled concrete beams with different water–cement ratio and recycled aggregate

Jingwei YING; Feiming SU; Shuangren CHEN

Frontiers of Structural and Civil Engineering 2022, Volume 16, Issue 3,   Pages 302-315 doi: 10.1007/s11709-022-0803-7

Abstract: The purpose of this study is to reveal the service performance of recycled aggregate concrete (RAC) componentsfor different values of water−cement ratio and replacement rate of recycled coarse aggregate (RCA).

Keywords： recycled concrete     beam     the replacement rate of recycled coarse aggregate     water–cement ratio     digital    

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Experimental Research on Friction of Vehicle Tire Rubber

GUO Kong-hui, ZHUANG Ye, CHEN Shih-ken, WILLLAM Lin

Frontiers of Mechanical Engineering 2006, Volume 1, Issue 1,   Pages 14-20 doi: 10.1007/s11465-005-0001-z

Abstract:

A newly developed tire rubber friction test machine is introduced.Friction test method of tire rubber is provided.Test data of tire rubber friction on concrete and icy road surfaces are obtained and analyzed.The dynamic friction is introduced to tire semi-empirical modeling, and the accuracy of the model isA way of forecasting tire property on high-rolling speed using data from low-rolling speed tire test

Keywords： different     property     temperature     low-rolling     pressure    

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Analysis of Sydney’s recycled water schemes

Zhuo CHEN, Huu Hao NGO, Wenshan GUO, Xiaochang WANG

Frontiers of Environmental Science & Engineering 2013, Volume 7, Issue 4,   Pages 608-615 doi: 10.1007/s11783-012-0468-x

Abstract: Recycled water provides a viable opportunity to partially supplement fresh water supplies as well asCurrently, thousands of recycled water schemes have been successfully conducted in a number of countriesThis study aims to make a comprehensive analysis of recycled water schemes in Sydney for a wide rangeFor each representative recycled water scheme, this study investigates the involved wastewater treatmentThe analyses could also help decision makers in making a sound judgment for future recycled water projects

Keywords： recycled water schemes     end use     water quality     public attitudes     integrated water planning and management    

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Punching shear behavior of recycled aggregate concrete slabs with and without steel fibres

Jianzhuang XIAO, Wan WANG, Zhengjiu ZHOU, Mathews M. TAWANA

Frontiers of Structural and Civil Engineering 2019, Volume 13, Issue 3,   Pages 725-740 doi: 10.1007/s11709-018-0510-6

Abstract: A study on the punching shear behavior of 8 slabs with recycled aggregate concrete (RAC) was carriedThe two main factors considered were the recycled coarse aggregate (RCA) replacement percentage and the

Keywords： recycled aggregate concrete     steel fibres     slab     punching shear     recycled coarse aggregates replacement percentage    

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Axial compression tests and numerical simulation of steel reinforced recycled concrete short columns

Hui MA; Fangda LIU; Yanan WU; Xin A; Yanli ZHAO

Frontiers of Structural and Civil Engineering 2022, Volume 16, Issue 7,   Pages 817-842 doi: 10.1007/s11709-022-0844-y

Abstract: To research the axial compression behavior of steel reinforced recycled concrete (SRRC) short columnsThe effects on the substitution percentage of recycled coarse aggregate (RCA), width of CFRP strips,spacing of CFRP strips and strength of recycled aggregate concrete (RAC) on the axial compression properties

Keywords： steel reinforced recycled concrete     CFRP strips     short columns     axial compression behavior     recycled    

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Stress-strain relationship of recycled self-compacting concrete filled steel tubular column subjected

Feng YU, Cheng QIN, Shilong WANG, Junjie JIANG, Yuan FANG

Frontiers of Structural and Civil Engineering 2020, Volume 14, Issue 3,   Pages 760-772 doi: 10.1007/s11709-020-0618-3

Abstract: However, little research on recycled self-compacting concrete filled circular steel tubular (RSCCFCSTRecycled coarse aggregate replacement ratio, concrete strength grade, length to diameter ratio and eccentricshow that the strain of the eccentric compression stress-strain curves increase with the increase of recycled

Keywords： concrete filled circular steel tubular columns     recycled self-compacting concrete     eccentric compression     recycled coarse aggregate replacement ratio     stress-strain relationship    

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Tire Dynamics Collaborative Development Strategy

Guo Konghui,Lu Dang and Wu Haidong

Strategic Study of CAE 2018, Volume 20, Issue 1,   Pages 91-96 doi: 10.15302/J-SSCAE-2018.01.013

Abstract:

Tire dynamics is an important bottleneck in the autonomous development of automobiles and aircraftThis study compares the development of tire dynamics both nationally and in other nations, and indicatesa significant challenge in the development of tire dynamics in China in the face of an increasinglyThe strategies and suggestions for the collaborative development of tire dynamics in China are proposedafter analyzing the characteristics of the tire dynamics test, simulation, and application technology

Keywords： tire dynamics     automobile     airplane     collaborative development     strategy    

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Predicting resilient modulus of recycled concrete and clay masonry blends for pavement applications using

Mosbeh R. KALOOP, Alaa R. GABR, Sherif M. EL-BADAWY, Ali ARISHA, Sayed SHWALLY, Jong WAN HU

Frontiers of Structural and Civil Engineering 2019, Volume 13, Issue 6,   Pages 1379-1392 doi: 10.1007/s11709-019-0562-2

Abstract: This paper focused on the development of a LSSVM model to predict the of recycled materials for pavementBlends of Recycled Concrete Aggregate (RCA) with Recycled Clay Masonry (RCM) with proportions of 100/

Keywords： Least Square Support Vector Machine     Artificial Neural Network     resilient modulus     Recycled Concrete Aggregate     Recycled Clay Masonry    

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Research on recycled concrete and its utilization in building structures in China

Jianzhuang XIAO, Tao DING

Frontiers of Structural and Civil Engineering 2013, Volume 7, Issue 3,   Pages 215-226 doi: 10.1007/s11709-013-0212-z

Abstract: presents a brief introduction to current shaking table test research in China on structures built with recycled

Keywords： recycled aggregate concrete (RAC)     structural material     shaking table tests     building structure    

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Title Author Date Type Operation

Strength reduction factors for structural rubbercrete

Bashar S. MOHAMMED,N. J. AZMI

Journal Article

Reutilize tire in microbial fuel cell for enhancing the nitrogen removal of the anammox process coupled

Journal Article

Heavy vehicle dynamics with balanced suspension based on enveloping tire model

Yongjie LU, Shaopu YANG, Shaohua LI

Journal Article

Ultimate bearing capacity of strip footing resting on clay soil mixed with tire-derived aggregates

Journal Article

Experimental research on seismic behavior of recycled concrete frame under varying cyclic loading

SUN Yuedong, XIAO Jianzhuang, ZHOU Deyuan

Journal Article

Chloride diffusion in concrete with carbonated recycled coarse aggregates under biaxial compression

Journal Article

Long term performance of recycled concrete beams with different water–cement ratio and recycled aggregate

Jingwei YING; Feiming SU; Shuangren CHEN

Journal Article

Experimental Research on Friction of Vehicle Tire Rubber

GUO Kong-hui, ZHUANG Ye, CHEN Shih-ken, WILLLAM Lin

Journal Article

Analysis of Sydney’s recycled water schemes

Zhuo CHEN, Huu Hao NGO, Wenshan GUO, Xiaochang WANG

Journal Article

Punching shear behavior of recycled aggregate concrete slabs with and without steel fibres

Jianzhuang XIAO, Wan WANG, Zhengjiu ZHOU, Mathews M. TAWANA

Journal Article

Axial compression tests and numerical simulation of steel reinforced recycled concrete short columns

Hui MA; Fangda LIU; Yanan WU; Xin A; Yanli ZHAO

Journal Article

Stress-strain relationship of recycled self-compacting concrete filled steel tubular column subjected

Feng YU, Cheng QIN, Shilong WANG, Junjie JIANG, Yuan FANG

Journal Article

Tire Dynamics Collaborative Development Strategy

Guo Konghui,Lu Dang and Wu Haidong

Journal Article

Predicting resilient modulus of recycled concrete and clay masonry blends for pavement applications using

Mosbeh R. KALOOP, Alaa R. GABR, Sherif M. EL-BADAWY, Ali ARISHA, Sayed SHWALLY, Jong WAN HU

Journal Article

Research on recycled concrete and its utilization in building structures in China

Jianzhuang XIAO, Tao DING

Journal Article