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A methodology of implementing target mixing ratio for asphalt mixture

Yucheng HUANG, Lun JI, Rui WEN, Ming ZHANG

Frontiers of Structural and Civil Engineering 2017, Volume 11, Issue 3,   Pages 308-314 doi: 10.1007/s11709-017-0405-y

Abstract: design of hot mix asphalt adequately during the construction process, the significance of objective mixingratio was elaborated, and the variability of materials and its control method were analyzed.An engineering example is used to illustrate the debugging process of asphalt mixture batching & mixingThe results show that the set of methods can not only implement the objective mixing ratio of hot mix

Keywords： asphalt mixture     target mixing ratio     mix design implementation     batching & mixing plant debugging    

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Experimental research on the mixed sand ratio and initial dry density of weathered sand improved expansive

Yang Jun,Yang Zhi,Zhang Guodong,Tang Yunwei and Chen Hongping

Strategic Study of CAE 2014, Volume 16, Issue 2,   Pages 73-78

Abstract: Key analysis free load swelling rate of a non-load time，the proportion of mixed sand，the relationshipexpansion and eventually stabilize in three stages；during the initial dry density is constant，weathered sandsoil free load swelling rate will increase the proportion of sand mixed with the rapid decrease slowlyafter the first lower，weathered sand soil modified free load swelling rate is not sensitive to the amountof sand mixed；in the same mixed sand ratio， weathered sand soil free load swelling rate increases with

Keywords： expansive soils     weathered sand     initial dry density     mixing sand ratio     free load swelling rate    

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Destructive and non-destructive evaluation of concrete for optimum sand to aggregate volume ratio

Frontiers of Structural and Civil Engineering 2021, Volume 15, Issue 6,   Pages 1400-1414 doi: 10.1007/s11709-021-0779-8

Abstract: As such, a detailed experimental investigation was carried out to evaluate the effect of sand-to-aggregatevolume ratio (s/a) on the mechanical properties of concrete utilizing both destructive, 0.40, 0.44, 0.48, 0.52, and 0.56), cement content (340 and 450 kg/m3), water-to-cement ratio

Keywords： aggregates     non-destructive testing     sand-to-aggregate volume ratio (s/a)     maximum aggregate    

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Characterization of micro-mixing in a novel impinging streams reactor

Hui HU, Zhiming CHEN, Zhen JIAO

Frontiers of Chemical Science and Engineering 2009, Volume 3, Issue 1,   Pages 58-64 doi: 10.1007/s11705-009-0106-8

Abstract: presents an experimental investigation of a novel impinging stream reactor (ISR) with the aim of high mixingThe integral mixing quality in the reactor was measured with the iodide-iodate reaction and showed excellentmixing performance.Based on turbulence theory, it was estimated that the characteristic micro-mixing time was 0.002—0.02The micro-mixing time was related to the segregation index, which was in good agreement with those in

Keywords： micro-mixing     impinging streams reactor     turbulent mixing     mass transfer    

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Numerical simulation of compaction parameters for sand-filled embankment using large thickness sand filling

Wentao WANG, Chongzhi TU, Rong LUO

Frontiers of Structural and Civil Engineering 2018, Volume 12, Issue 4,   Pages 568-576 doi: 10.1007/s11709-017-0444-4

Abstract: The study uses the finite element method to simulate a new technique of highway sand embankment fillingin Jianghan Plain district, which can raise the thickness of sand-filled layer from 30 cm to 70 cm andcan significantly shorten the construction period based on the guarantee of sand embankment constructionThe simulation results indicate that the sand-filled layer thickness of 70 cm is suitable for the newsand filling technique, and the sand-filled embankment project with tight construction period is suggested

Keywords： sand embankment     compaction in large thickness     numerical simulation     small size vibratory roller     steady    

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Unified description of sand behavior

Feng ZHANG, Bin YE, Guanlin YE

Frontiers of Structural and Civil Engineering 2011, Volume 5, Issue 2,   Pages 121-150 doi: 10.1007/s11709-011-0104-z

Abstract: In this paper, the mechanical behavior of sand, was systematically described and modeled with a elastoplasticWithout losing the generality of the sand, a specific sand called as Toyoura sand, a typical clean sandIn the model, the results of conventional triaxial tests of the sand under different loading and drainageloading tests, then they are fixed to uniquely describe the overall mechanical behaviors of the Toyoura sand

Keywords： constitutive model     sand     stress-induced anisotropy     density     structure    

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Chemical probe systems for assessing liquid–liquid mixing efficiencies of reactors

Frontiers of Chemical Science and Engineering 2023, Volume 17, Issue 10,   Pages 1323-1335 doi: 10.1007/s11705-022-2275-7

Abstract: Liquid–liquid mixing, including homogeneous and heterogeneous mixing, widely exists in the chemical industryHow to quantitatively characterize the mixing performance is important for reactor assessment and developmentAs a convenient and direct method for mixing characterization, the chemical probe method uses some specialtest reactions to characterize the mixing results.this method are introduced, and some common chemical probe systems for homogeneous and heterogeneous mixing

Keywords： mixing     chemical probe     liquid–liquid     heterogeneous    

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Research review of the cement sand and gravel (CSG) dam

Xin CAI, Yingli WU, Xingwen GUO, Yu MING

Frontiers of Structural and Civil Engineering 2012, Volume 6, Issue 1,   Pages 19-24 doi: 10.1007/s11709-012-0145-y

Abstract: The cement sand and gravel (CSG) dam is a new style of dam that owes the advantages both of the concrete

Keywords： cement sand and gravel (CSG) dam     cement sand and gravel (CSG) material     research review    

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Effects of microfine aggregate in manufactured sand on bleeding and plastic shrinkage cracking of concrete

Branavan ARULMOLY; Chaminda KONTHESINGHA; Anura NANAYAKKARA

Frontiers of Structural and Civil Engineering 2022, Volume 16, Issue 11,   Pages 1453-1473 doi: 10.1007/s11709-022-0877-2

Abstract: Construction industries have started to utilize manufactured sand (MS) as an effective alternative forriver sand in concrete.The results concluded that the MFA replacements and the effective water-to-cement ratio have a significant

Keywords： manufactured sand     fresh concrete     microfines     admixtures     shrinkage     cracking    

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Impacts of backwashing on micropollutant removal and associated microbial assembly processes in sand

Frontiers of Environmental Science & Engineering 2023, Volume 17, Issue 3, doi: 10.1007/s11783-023-1634-z

Abstract:

● Backwashing in sand filters with 2-h and 4-h EBCTs was simulated

Keywords： Sand filter     Backwashing     Recovery     Micropollutants     Community composition    

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Reliability-based settlement analysis of embankments over soft soils reinforced with T-shaped deep cement mixing

Chana PHUTTHANANON; Pornkasem JONGPRADIST; Daniel DIAS; Xiangfeng GUO; Pitthaya JAMSAWANG; Julien BAROTH

Frontiers of Structural and Civil Engineering 2022, Volume 16, Issue 5,   Pages 638-656 doi: 10.1007/s11709-022-0825-1

Abstract: This paper presents a reliability-based settlement analysis of T-shaped deep cement mixing (TDM) pile-supportedwith various shapes, are compared and discussed together with the results for conventional deep cement mixing

Keywords： T-shaped deep cement mixing piles     piled embankments     settlement     reliability analysis     soil uncertainties    

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Characteristics and mixing state of S-rich particles in haze episodes in Beijing

Jun Hu, Fengkui Duan, Kebin He, Yongliang Ma, Shuping Dong, Xiande Liu

Frontiers of Environmental Science & Engineering 2016, Volume 10, Issue 5, doi: 10.1007/s11783-016-0861-y

Abstract: element distributions of S-rich particles and considered that (C, O, S)-rich particles had two major mixing

Keywords： S-rich particles     Morphology     Element distribution     Mixing state    

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Dispersion of a novel phenolic rigid organic filler in isotactic polypropylene matrix by solution-mixingand melt-mixing

Dongming QI, Xiaoli ZHAO, Zhijie CHEN, Peng HUANG, Jun CAO

Frontiers of Chemical Science and Engineering 2012, Volume 6, Issue 4,   Pages 395-402 doi: 10.1007/s11705-012-1269-2

Abstract: KD) with a high melting point was dispersed in an isotactic polypropylene (iPP) matrix by solution-mixingand/or melt-mixing.Influences of MAPP and mixing methods on the filler dispersion were studied using polaried optical microscopebetween the dispersion phase and the continuous phase, and adopting a spray-drying method after solution-mixing

Keywords： dispersion     rigid organic filler     isotactic polypropylene     mixing    

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Effects of coarse and fine aggregates on long-term mechanical properties of sea sand recycled aggregate

Frontiers of Structural and Civil Engineering 2021, Volume 15, Issue 3,   Pages 754-772 doi: 10.1007/s11709-021-0711-2

Abstract: Typical effects of coarse and fine aggregates on the long-term properties of sea sand recycled aggregateTwo different types of fine (coarse) aggregates are considered: sea sand and river sand (natural andSSRAC increase with decreasing recycled coarse aggregate replacement percentage and increasing sea sandHowever, the Poisson’s ratio reduces after 2 years.however, the deformation differences between coarse aggregate and cement mortar reduce by adopting sea sand

Keywords： sea sand recycled aggregate concrete     recycled coarse aggregate replacement percentage     sea sand chloride    

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Performance of fiber reinforced clayey sand composite

Amin CHEGENIZADEH, Hamid NIKRAZ

Frontiers of Structural and Civil Engineering 2012, Volume 6, Issue 2,   Pages 147-152 doi: 10.1007/s11709-012-0158-6

Abstract: This study focuses on effect of fiber inclusion on the strength and other parameters of clayey sand compositeFirst part of this study is related to effective parameters on strength of the clayey sand composite

Keywords： triaxial     consolidated undrained (CU)     fiber     strength    

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Title Author Date Type Operation

A methodology of implementing target mixing ratio for asphalt mixture

Yucheng HUANG, Lun JI, Rui WEN, Ming ZHANG

Journal Article

Experimental research on the mixed sand ratio and initial dry density of weathered sand improved expansive

Yang Jun,Yang Zhi,Zhang Guodong,Tang Yunwei and Chen Hongping

Journal Article

Destructive and non-destructive evaluation of concrete for optimum sand to aggregate volume ratio

Journal Article

Characterization of micro-mixing in a novel impinging streams reactor

Hui HU, Zhiming CHEN, Zhen JIAO

Journal Article

Numerical simulation of compaction parameters for sand-filled embankment using large thickness sand filling

Wentao WANG, Chongzhi TU, Rong LUO

Journal Article

Unified description of sand behavior

Feng ZHANG, Bin YE, Guanlin YE

Journal Article

Chemical probe systems for assessing liquid–liquid mixing efficiencies of reactors

Journal Article

Research review of the cement sand and gravel (CSG) dam

Xin CAI, Yingli WU, Xingwen GUO, Yu MING

Journal Article

Effects of microfine aggregate in manufactured sand on bleeding and plastic shrinkage cracking of concrete

Branavan ARULMOLY; Chaminda KONTHESINGHA; Anura NANAYAKKARA

Journal Article

Impacts of backwashing on micropollutant removal and associated microbial assembly processes in sand

Journal Article

Reliability-based settlement analysis of embankments over soft soils reinforced with T-shaped deep cement mixing

Chana PHUTTHANANON; Pornkasem JONGPRADIST; Daniel DIAS; Xiangfeng GUO; Pitthaya JAMSAWANG; Julien BAROTH

Journal Article

Characteristics and mixing state of S-rich particles in haze episodes in Beijing

Jun Hu, Fengkui Duan, Kebin He, Yongliang Ma, Shuping Dong, Xiande Liu

Journal Article

Dispersion of a novel phenolic rigid organic filler in isotactic polypropylene matrix by solution-mixingand melt-mixing

Dongming QI, Xiaoli ZHAO, Zhijie CHEN, Peng HUANG, Jun CAO

Journal Article

Effects of coarse and fine aggregates on long-term mechanical properties of sea sand recycled aggregate

Journal Article

Performance of fiber reinforced clayey sand composite

Amin CHEGENIZADEH, Hamid NIKRAZ

Journal Article