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21篇 您的检索式:作者名="hainian wang"
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1Three-dimensional modeling and simulation of asphalt concrete mixtures based on X-ray CT microstructure images显示文摘X-ray CT(computed tomography) was used to scan asphalt mixture specimen to obtain high resolution continuous cross-section images and the meso-structure.According to the theory of three-dimensional(3D) reconstruction,the 3D reconstruction algorithm was investigated in this paper.The key to the reconstruction technique is the acquisition of the voxel positions and the relationship between the pixel element and node.Three-dimensional numerical model of asphalt mixture specimen was created by a self-developed program.A splitting test was conducted to predict the stress distributions of the asphalt mixture and verify the rationality of the 3D model.Hainian Wang Zhihan Huang Lei Li Zhanping You Yu Chen 2014Journal of Traffic and Transportation Engineering(English Edition)2014,1,1:30
2New innovations in pavement materials and engineering:A review on pavement engineering research 2021显示文摘Sustainable and resilient pavement infrastructure is critical for current economic and environmental challenges.In the past 10 years,the pavement infrastructure strongly supports the rapid development of the global social economy.New theories,new methods,new technologies and new materials related to pavement engineering are emerging.Deterioration of pavement infrastructure is a typical multi-physics problem.Because of actual coupled behaviors of traffic and environmental conditions,predictions of pavement service life become more and more complicated and require a deep knowledge of pavement material analysis.In order to summarize the current and determine the future research of pavement engineering,Journal of Traffic and Transportation Engineering(English Edition)has launched a review paper on the topic of'New innovations in pavement materials and engineering:A review on pavement engineering research 2021'.Based on the joint-effort of 43 scholars from 24 well-known universities in highway engineering,this review paper systematically analyzes the research status and future development direction of 5 major fields of pavement engineering in the world.The content includes asphalt binder performance and modeling,mixture performance and modeling of pavement materials,multi-scale mechanics,green and sustainable pavement,and intelligent pavement.Overall,this review paper is able to provide references and insights for researchers and engineers in the field of pavement engineering.JTTE Editorial Office Jiaqi Chen Hancheng Dan Yongjie Ding Yangming Gao Meng Guo Shuaicheng Guo Bingye Han Bin Hong Yue Hou Chichun Hu Jing Hu Ju Huyan Jiwang Jiang Wei Jiang Cheng Li Pengfei Liu Yu Liu Zhuangzhuang Liu Guoyang Lu Jian Ouyang Xin Qu Dongya Ren Chao Wang Chaohui Wang Dawei Wang Di Wang Hainian Wang Haopeng Wang Yue Xiao Chao Xing Huining Xu Yu Yan Xu Yang Lingyun You Zhanping You Bin Yu Huayang Yu Huanan Yu Henglong Zhang Jizhe Zhang Changhong Zhou Changjun Zhou Xingyi Zhu 2021Journal of Traffic and Transportation Engineering(English Edition)2021,8,6:7
3Preparation process of bio-oil and bio-asphalt,their performance,and the application of bio-asphalt:A comprehensive review显示文摘The objective of this paper is to establish the state of knowledge on fast pyrolysis of bio-oil and bio-asphalt binder and to facilitate efforts in improving the overall perform ance of bioasphalt and maximizing its road application.On the basis of reviewing the relevant literature recently,the fast pyrolysis(FasP) preparation process of bio-oil and its main properties,the preparation process of bio-asphalt and its performance and the application of bio-asphalt have been summarized.Due to the variations in raw materials,the adopted methods of FasP to prepare bio-oil could be different,and the properties of bio-oil from different sources are also different.At present,the plant-based bio-oil(mainly derived from wood waste and sawdust) has been widely used to prepare the bio-asphalt.Research on the low-temperature flexibility,high-temperature rheology,workability and other performance of biological asphalt showed that the workability and high-temperature performance of most asphalt are improved after adding bio-oil.However,the low-temperature performance is found to relatively reduce.Also,with regards to its application as a rejuvenator,bio-oil can considerably rejuvenate the aged asphalt’s mixture performance.By far,most of research on bio-asphalt is still focused on the performance of bio-asphalt binder in the laboratory;its application in practical road engineering is still to be examined.This review also provides an outlook for the future,for example,establishing an integrated preparation process from bio-oil to bio-asphalt,and evaluating the properties of bioasphalt by new standards.Hainian Wang Ziye Ma Xi Chen Mohd Rosli Mohd Hasan 2020Journal of Traffic and Transportation Engineering(English Edition)2020,7,2:5
4Experimental study on generation of high energy few cycle pulses with hollow fiber filled with neon显示文摘25 fs pulses with energy up to 0.8 mJ from a multi-pass amplifier system have been spectrally broadened from 460 nm to 950 nm due to strong self-phase modulation(SPM) effect in a gas filled hollow fiber.Using a set of chirped mirrors,the ul-tra-broadband dispersion compensation was achieved,and the compressed pulses reached their transform limit.Under optimized conditions we achieved pulses with duration of 5.1 fs and with energy of 400 μJ,corresponding to the peak power up to 80 GW.ZHU JiangFeng WANG Peng HAN HaiNian TENG Hao WEI ZhiYi 2008Science China(Physics,Mechanics & Astronomy)2008,51,5:5
5Highway constructions on the Qinghai-Tibet Plateau:Challenge,research and practice显示文摘Highway constructions on the Qinghai-Tibet Plateau(QTP)face great challenges induced by the unique local environmental,geological,and engineering conditions.The large area of permafrost,great temperature variability,strong UV rays,and complex geological conditions are the major factors that adversely influence the longterm performance of pavement systems.Since 1960s,Chinese engineers and researchers have started conducting research on the QTP to enhance the performance and durability of pavement systems.The present paper provide a comprehensive review of challenge,research and practice of highway constructions on the QTP including the special environmental and geological conditions,history of highway constructions on the QTP,major challenges and the state-of-the-art technology of subgrade constructions on permafrost,developments of the pavement structures and materials,performance prediction and maintenance methods of pavement surfaces,and applications of the research achievements on the first expressway on the QTP(i.e.,Gongyu Expressway).Based on the comprehensive literature review,it can be found that(1)frost heave and thaw weakening induced subgrade disease and longitudinal cracks on the pavement surface are complex coupled water-thermal-load problems.Engineering solutions are focusing on active cooling and thermal insulation methods,which can help to reduce temperature variations in the subgrade and thus improving its stability,(2)the harsh environmental and construction conditions may reduce the early strength and induce premature damage of cement-treated base materials.Some field validations showed that geocell-reinforced or asphalt-treated flexible base materials can provide better long-term performance,(3)the large temperature variability and strong UV rays can significantly accelerate aging of asphalt binders and greatly reduce the service life of asphalt mixtures.Various binder modification methods were developed for improving their viscoelasticity and enhance the low-temperature cracking resistance of pavement surface materials but are still lack of field validation data and comparisons of their life cycle costs.Therefore,it is recommended that a demonstration research project build test sections to examine a range of pavement structures and materials,and compare their long-term performance and life cycle costs,which can serve as important reference for future highway constructions on the QTP.Aimin Sha Biao Ma Hainian Wang Liqun Hu Xuesong Mao Xilan Zhi Huaxin Chen Yu Liu Feng Ma Zhuangzhuang Liu Rui He Wei Si Xuhao Wang Cheng Li 2022Journal of Road Engineering2022,2,1:4
6Sensitivity analysis of longitudinal cracking on asphalt pavement using MEPDG in permafrost region显示文摘Longitudinal cracking is one of the most important distresses of asphalt pavement in permafrost regions. The sensitivity analysis of design parameters for asphalt pavement can be used to study the influence of every parameter on longitudinal cracking, which can help optimizing the design of the pavement structure. In this study, 20 test sections of Qinghai e Tibet Highway were selected to conduct the sensitivity analysis of longitudinal cracking on material parameter based on Mechanistic-Empirical Pavement Design Guide(MEPDG) and single factorial sensitivity analysis method. Some computer aided engineering(CAE) simulation techniques, such as the Latin hypercube sampling(LHS) technique and the multiple regression analysis are used as auxiliary means.Finally, the sensitivity spectrum of material parameter on longitudinal cracking was established. The result shows the multiple regression analysis can be used to determine the remarkable influence factor more efficiently and to process the qualitative analysis when applying the MEPDG software in sensitivity analysis of longitudinal cracking in permafrost regions. The effect weights of the three parameters on longitudinal cracking in descending order are air void, effective binder content and PG grade. The influence of air void on top layer is bigger than that on middle layer and bottom layer. The influence of effective asphalt content on top layer is bigger than that on middle layer and bottom layer, and the influence of bottom layer is slightly bigger than middle layer.The accumulated value of longitudinal cracking on middle layer and bottom layer in the design life would begin to increase when the design temperature of PG grade increased.Chen Zhang Hainian Wang Zhanping You Biao Ma 2015Journal of Traffic and Transportation Engineering(English Edition)2015,2,1:4
7Impact of Freeze-Thaw Cycles on Compressive Characteristics of Asphalt Mixture in Cold Regions显示文摘Low average temperature, large temperature difference and continual freeze-thaw(F-T) cycles have significant impacts on mechanical property of asphalt pavement. F-T cycles test was applied to illustrate the mixtures' compressive characteristics. Exponential model was applied to analyze the variation of compressive characteristics with F-T cycles; Loss ratio model and Logistic model were used to present the deterioration trend with the increase of F-T cycles. ANOVA was applied to show the significant impact of F-T cycles and asphaltaggregate ratio. The experiment results show that the compressive strength and resilient modulus decline with increasing F-T cycles; the degradation is sharp during the initial F-T cycles, after 8 F-T cycles it turns to gentle. ANOVA results show that F-T cycles, and asphalt-aggregate ratio have significant influence on the compressive characteristics. Exponential model, Loss ratio model and Logistic model are significantly fitting the test data from statistics view. These models well reflect the compressive characteristics of asphalt mixture degradation trend with increasing F-T cycles.司伟 LI Ning 马骉 REN Junping WANG Hainian HU Jian 2015Journal of Wuhan University of Technology(Materials Science)2015,30,4:1
8Labo-ratory Evaluation on High Temperature Viscosity and Low Tem-perature Stiffness of Asphalt Binder with High Percent Scrap Tire Rubber显示文摘Hainian Wang Zhanping You Julian Mills-Beale 2012Construction and Building Materials2012,26,1:1
9Investigation of the rheological modification mechanism of crumb rubber modified asphalt (CRMA) containing TOR additive显示文摘Hongying Liu Zhijun Chen Wen Wang Hainian Wang Peiwen Hao 2013Construction and Building Materials2013,,:1
10Effect of warm mixture asphah (WMA) additives on high failure tem- perature properties for crumb rubber modified (CRM) binders 显示文摘Wang Hainian Dang Zhengxia You Zhanping 2012Construction and Building Materials2012,35,:1
11Laboratory evaluation on high temperature viscosity and low temperature stiffness of asphalt binder with high percent scrap tire rubber显示文摘WANG Hainian YOU Zhanping MILLS-BEALE J 2012Construction and Building Materials2012,26,:1
12Bio-based and nature inspired solutions: A step toward carbon-neutral economy显示文摘Bio-based and nature-inspired solutions have been investigated recently to develop sustainable,resilient,and durable construction including but not limited to roadway infrastructures.This paper reviews state-of-the-art studies on self-healing,self-cleaning and self-rejuvenating asphalt,and concrete construction.This review draws three conclusions.(1)Self-healing construction materials have the potential to significantly extend the service life of construction elements.Urban and industrial wastes such as food waste,biomass,metals have been used to create self-healing construction materials that are more environmentally friendly.(2)Self-cleaning construction materials not only remove pollution by repelling water on their superhydrophobic surface,but also cut building and infrastructure maintenance costs,while improving cities'air quality by degrading pollutants such as NOx.Pavement engineers have exploited self-cleaning characteristic to facilitate the de-icing of pavements and lengthening the service life of pavements.(3)Self-rejuvenating materials including bio-oils can revitalize materials and delay aging;bio-oils can also be used to make bio-binders,thereby reducing the need for petroleumbased binders.The optimum concentration of bio-oil for asphalt modification depends on the chemical structure of oils.Still,regardless of dosage,self-rejuvenating binders improve asphalt workability and performance at low temperatures and increase the resistance of the asphalt mix to fatigue and cracking.This review also identified critical research gaps,including(1)the lack of a reliable,unified,and standard method to accurately measure construction materials’self-healing,self-cleaning and self-rejuvenating properties;(2)the lack of longterm field performance data to conduct comprehensive life cycle assessment and life cycle analysis;(3)the lack of accurate technoeconomic analysis to facilitate market entry of abovementioned solutions.Addressing these gaps and determining contribution of nature-inspired and bio-based technologies to a carbon neutral economy along with issuing carbon certificates can facilitate the widespread application of these technologies while promoting resource conservation and sustainability.Mohammadjavad Kazemi Hainian Wang Elham Fini 2022Journal of Road Engineering2022,2,3:1
13Effect of Warm Mixture Asphalt (WMA) Additives on High Failure Temperature Properties for Crumb Rubber Modified (CRM) Binders 显示文摘Wang Hainian Dang Zhengxia You Zhanping Cao Dongwei 2012Construction and Building Materials2012,35,:1
14Rheological Property Investigations for Polymer andPolyphosphoric Acid Modified Asphalt Binders at HighTemperatures 显示文摘Xiao Feipeng Amirkhanian Serji Wang Hainian 2014Construction and Building Materials2014,64,:1
15Virtual strain loading method for low temperature cohesive failure of asphalt binder显示文摘Cohesive failure is one of the primary reasons for low-temperature cracking in asphalt pavements.Understanding the micro-level mechanism is crucial for comprehending cohesive failure behavior.However,previous literature has not fully reported on this aspect.Moreover,there has been insufficient attention given to the correlation between macroscopic and microscopic failures.To address these issues,this study employed molecular dynamics simulation to investigate the low-temperature tensile behavior of asphalt binder.By applying virtual strain,the separation work during asphalt binder tensile failure was calculated.Additionally,a correlation between macroscopic and microscopic tensile behaviors was established.Specifically,a quadrilateral asphalt binder model was generated based on SARA fractions.By applying various combinations of virtual strain loading,the separation work at tensile failure was determined.Furthermore,the impact of strain loading combinations on separation work was analyzed.Normalization was employed to establish the correlation between macroscopic and microscopic tensile behaviors.The results indicated that thermodynamic and classical mechanical indicators validated the reliability of the tetragonal asphalt binder model.The strain loading combination consists of strain rate and loading number.All strain loading combinations exhibited the similar tensile failure characteristic.The critical separation strain was hardly influenced by strain loading combination.However,increasing strain rate significantly enhanced both the maximum traction stress and separation work of the asphalt binder.An increment in the loading number led to a decrease in separation work.The virtual strain combination of 0.5%-80 provided a more accurate representation of the actual asphalt's tensile behavior trend.Heyang Ding Hainian Wang Ziye Ma Zhen Leng Ponan Feng Tangjie Wang Xin Qu 2023Journal of Road Engineering2023,3,3:0
16Preface for the special issue on “Functional pavement materials and characterization”显示文摘With the ever increasing demand for the riding quality and long service life of the pavement,more and more researches were focused on the functional pavement both in Europe and China.The Chair and Institute of Highway Engineering at the RWTH Aachen University in cooperation with the Southeast University and the Harbin Institute of Technology,China,launched the 3rd China e Europe Workshop on Functional Pavement in August 6e8,2014,in Aachen,Germany.The workshop attracted more than 120 participants from 10countries and provided 37 high levels of academic reports.Hainian Wang Dawei Wang Markus Oeser 2015Journal of Traffic and Transportation Engineering(English Edition)2015,2,1:0
17An integrative drug repositioning framework discovered a potential therapeutic agent targeting COVID-19显示文摘The global spread of severe acute respiratory syndrome coronavirus 2(SARS-CoV-2)requires an urgent need to find effective therapeutics for the treatment of coronavirus disease 2019(COVID-19).In this study,we developed an integrative drug repositioning framework,which fully takes advantage of machine learning and statistical analysis approaches to systematically integrate and mine large-scale knowledge graph,literature and transcriptome data to discover the potential drug candidates against SARS-CoV-2.Our in silico screening followed by wet-lab validation indicated that a poly-ADP-ribose polymerase 1(PARP1)inhibitor,CVL218,currently in Phase I clinical trial,may be repurposed to treat COVID-19.Our in vitro assays revealed that CVL218 can exhibit effective inhibitory activity against SARS-CoV-2 replication without obvious cytopathic effect.In addition,we showed that CVL218 can interact with the nucleocapsid(N)protein of SARS-CoV-2 and is able to suppress the LPS-induced production of several inflammatory cytokines that are highly relevant to the prevention of immunopathology induced by SARS-CoV-2 infection.Yiyue Ge Tingzhong Tian Suling Huang Fangping Wan Jingxin Li Shuya Li Xiaoting Wang Hui Yang Lixiang Hong Nian Wu Enming Yuan Yunan Luo Lili Cheng Chengliang Hu Yipin Lei Hantao Shu Xiaolong Feng Ziyuan Jiang Yunfu Wu Ying Chi Xiling Guo Lunbiao Cui Liang Xiao Zeng Li Chunhao Yang Zehong Miao Ligong Chen Haitao Li Hainian Zeng Dan Zhao Fengcai Zhu Xiaokun Shen Jianyang Zeng 2021Signal Transduction and Targeted Therapy2021,6,5:0
18Preface for the special issue on 'Advanced Transportation Infrastructure and Materials'显示文摘The International Association of Chinese Infrastructure Professionals(IACIP) and Chang'an University jointly hosted the first International Conference on Transportation Infrastructure and Materials(ICTIM)in Xi'an,China on July 16-18,2016.This conference covered a variety of research topicshainian wang zhanping you jie han 2017Journal of Traffic and Transportation Engineering(English Edition)2017,4,2:0
19Asphalt pavement water film thickness detection and prediction model:A review显示文摘Over the course of storm or rainfall event,water thickness builds up on road surface resulting in a loss of contact between vehicle tires and road surface and puts drivers into immediate danger especially at high speeds.Therefore this is a considerably dangerous condition of the road and the realistic measurements and prediction model of water film thickness(WFT)on pavement surface is crucial for determining the road friction coefficient and evaluating the impact of rainfall on traffic safety.A review of the principle as well as critical evaluation of current detection methods of pavement WFT were compared for consistency and accuracy in this paper.The method selection guidelines are given for different road surface water film thickness detection requirements.This paper also introduces the latest development of WFT detection and prediction models for asphalt pavement,and gives the calculation elements and conditions of different WFT prediction models from different modeling ideas,which provides a basis for the selection and optimization of WFT models for future researchers.This article also suggests a few insights as further research directions on this topic.(1)The research can consider the influencing factors of WFT to conduct research on the delineation standard of pavement WFT.(2)In order to meet the future traffic safety dynamic early warning needs,road factors of different material types,disease conditions and linear conditions should be studied,as well as a comprehensive and accurate real-time water film thickness detection and evaluation method considering meteorological factors of rainfall timing,scale and intensity.(3)The prediction model of WFT should be further studied by the analytical method to clarify the influence of the pavement WFT on the driving safety.Ke Xiao Bing Hui Xin Qu Hainian Wang Aboelkasim Diab Min Cao 2023Journal of Traffic and Transportation Engineering(English Edition)2023,10,3:0
20Effects of diluted methanol and water as foaming agents on the performance of latex foamed warm asphalt mixtures显示文摘Latex as an asphalt modifier has gained popularity in the asphalt industry as it improves the durability of asphalt pavement.However,the elastomeric properties of latex stiffen the asphalt binders,resulting in additional energy consumption during the production of asphalt mixtures,which may cause a higher emission of greenhouse gases.This is undesirable for sustainable development and the environment.In this study,the applicability of diluted methanol and water was comparatively evaluated as foaming agents in the production of warm mix asphalt(WMA)mixtures incorporating latex.Diluted methanol was used because it has a lower boiling point and latent heat than water,allowing the asphalt mixture to be produced at a lower temperature and thus consuming less energy.The performance of the foamed asphalt mixture was investigated through service characteristics,mechanical performance,and moisture susceptibility of mixtures.The service characteristics,on the other hand,were measured in a laboratory while preparing and compacting the asphalt mixture,which refers to the amount of energy required during the production and construction stages in the asphalt plant and on the construction site,respectively.The degree of energy required was assessed based on the workability index,coatability index,and the compaction energy index.The mechanical performance of asphalt mixtures was characterized by indirect tensile strength,resilient modulus,and dynamic creep tests.The resistance to moisture damage was evaluated based on the common parameter,indirect tensile strength ratio.The findings revealed that the use of diluted methanol foaming agent helped improve the workability of latex modified asphalt mixtures.The foamed latex-modified WMA demonstrated better performance compared to asphalt mixtures prepared using water as the foaming agent.Mohd Rosli Mohd Hasan Tai Guo Hainian Wang Sharvin Poovaneshvaran Ashiru Sani Muhammad Khuzaimi Aziz Seyed Reza Omranian 2023Journal of Traffic and Transportation Engineering(English Edition)2023,10,3:0
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