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-means clustering 1

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Investigating the raveling test for full-depth reclamation

Robert HILL, Andrew BRAHAM

Frontiers of Structural and Civil Engineering 2018, Volume 12, Issue 2,   Pages 222-226 doi: 10.1007/s11709-017-0423-9

Abstract: Full-Depth Reclamation (FDR) is a sustainable method of building pavement structure compared to more

Keywords： raveling     full depth reclamation    

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Modeling of unconfined compressive strength of soil-RAP blend stabilized with Portland cement using multivariate adaptive regression spline

Ali Reza GHANIZADEH, Morteza RAHROVAN

Frontiers of Structural and Civil Engineering 2019, Volume 13, Issue 4,   Pages 787-799 doi: 10.1007/s11709-019-0516-8

Abstract: The recycled layer in full-depth reclamation (FDR) method is a mixture of coarse aggregates and reclaimed

Keywords： full-depth reclamation     soil-reclaimed asphalt pavement blend     Portland cement     unconfined compressive strength    

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Full-mechanized caving mining technology of extremely thick and hard coal-seam with hard roof in shallowburied depth

Zhang Zhongwen,Wu Jinan

Strategic Study of CAE 2011, Volume 13, Issue 11,   Pages 107-112

Abstract: For improving top-coal caving degree, the parameters of full-mechanized caving mining face were obtained

Keywords： shallow buried depth     hard coal-seam with hard roof     top-coal caving difficulty degree     full-mechanized    

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Make full use of the dredged soil for speeding up reclamation of Hengsha east shoal

Zhou Hai,Tang Chen,Ji Lan

Strategic Study of CAE 2013, Volume 15, Issue 6,   Pages 30-34

Abstract:

According to Hengsha east shoal reclamation projects implementation,this paper analyses the main problems of using the Yangtze estuary dredged soil to Hengsha east shoal reclamationAccording to Hengsha ocean metro construction planning, it calculates reclamation scale and soil demandprinciples and scheme of using the Yangtze estuary dredged soil for speeding up Hengsha east shoal reclamation

Keywords： Yangtze estuary     dredged soil resources     Hengsha east shoal     speeding up reclamation    

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Changes of microbial composition during wastewater reclamation and distribution systems revealed by high-throughput

Yiwen LIN,Dan LI,Siyu ZENG,Miao HE

Frontiers of Environmental Science & Engineering 2016, Volume 10, Issue 3,   Pages 539-547 doi: 10.1007/s11783-016-0830-5

Abstract: study employed 454-pyrosequencing to investigate microbial and pathogenic communities in two wastewater reclamationA total of 11972 effective 16S rRNA sequences were acquired from these two reclamation systems, and thenShannon diversity index showed that the diversities of microbial communities decreased along wastewater reclamation

Keywords： wastewater reclamation systems     microbial community     pathogenic community     454-pyrosequencing    

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Multivariable regression model for Fox depth correction factor

Ravi Kant MITTAL, Sanket RAWAT, Piyush BANSAL

Frontiers of Structural and Civil Engineering 2019, Volume 13, Issue 1,   Pages 103-109 doi: 10.1007/s11709-018-0474-6

Abstract: This paper presents a simple and efficient equation for calculating the Fox depth correction factor usedClassical solution of Boussinesq theory was used originally to develop the Fox depth correction factoris straightforward, competent and easy to use for both manual and automated calculation of the Fox depthin the later part of the paper to analyse the extent of effect of a particular variable on the Fox depth

Keywords： settlement     embedment     Fox depth correction factor     regression     multivariable    

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Quantitative analysis of microplastics in coastal tidal-flat reclamation in Dongtai, China

Frontiers of Environmental Science & Engineering 2022, Volume 16, Issue 8, doi: 10.1007/s11783-022-1528-5

Abstract:

• Reclamation projects are important disturbances on microplastic risk

Keywords： Coastal reclamation     Engineering geotextiles     Soil microplastics     Weathering simulation     Marine emission    

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Particle swarm optimization model to predict scour depth around a bridge pier

Shahaboddin SHAMSHIRBAND, Amir MOSAVI, Timon RABCZUK

Frontiers of Structural and Civil Engineering 2020, Volume 14, Issue 4,   Pages 855-866 doi: 10.1007/s11709-020-0619-2

Abstract: Scour depth around bridge piers plays a vital role in the safety and stability of the bridges.The former approaches used in the prediction of scour depth are based on regression models or black boxdevelop new equations using particle swarm optimization as a metaheuristic approach to predict scour depthMoreover, the ratio of pier width to flow depth and ratio of 50 (mean particle diameter) to flow depthThe derived equations can be used as a suitable proxy to estimate scour depth in both experimental and

Keywords： scour depth     bridge design and construction     particle swarm optimization     computational mechanics     artificial    

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Depth of cut models for multipass abrasive waterjet cutting of alumina ceramics with nozzle oscillation

Jun WANG

Frontiers of Mechanical Engineering 2010, Volume 5, Issue 1,   Pages 19-32 doi: 10.1007/s11465-009-0082-1

Abstract: An experimental study of the depth of cut in multipass abrasive waterjet (AWJ) cutting of alumina ceramicsIt is found that this cutting technique can significantly increase the depth of cut by an average ofPredictive models for the depth of cut are then developed.

Keywords： abrasive waterjet     engineering ceramics     depth of cut     cutting performance     nozzle oscillation     machining    

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Effect of biological activated carbon filter depth and backwashing process on transformation of biofilm

Wanqi Qi, Weiying Li, Junpeng Zhang, Xuan Wu, Jie Zhang, Wei Zhang

Frontiers of Environmental Science & Engineering 2019, Volume 13, Issue 1, doi: 10.1007/s11783-019-1100-0

Abstract: >

Microbial diversity decreased gradually with the increase of BAC filter depthlistitem>

α-proteobacteria increased about 10% in all carbon filter depth

Keywords： Biological activated carbon     Biofilm     Community structure     Carbon filter depth     High-throughput sequencing    

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Capturing the opportunities to initiate an in-depth integration of traditional Chinese medicine and western

Jia-Hua Qu,Bing Liu,Zhu-Qin Zhang,De-Pei Liu

Frontiers of Medicine 2014, Volume 8, Issue 3,   Pages 268-271 doi: 10.1007/s11684-014-0369-4

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Prediction of hydro-suction dredging depth using data-driven methods

Frontiers of Structural and Civil Engineering 2021, Volume 15, Issue 3,   Pages 652-664 doi: 10.1007/s11709-021-0719-7

Abstract: ) methods, and simple equations methods were applied to simulate the maximum hydro-suction dredging depth

Keywords： sedimentation     water resources     dam engineering     machine learning     heuristic    

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Partial anammox achieved in full scale biofilm process for typical domestic wastewater treatment

Frontiers of Environmental Science & Engineering 2022, Volume 16, Issue 3, doi: 10.1007/s11783-021-1467-6

Abstract:

• A full scale biofilm process was developed for typical domestic wastewater

Keywords： Full scale     Anammox     Domestic wastewater     Biofilm     Candidatus Brocadia    

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Carbonation depth prediction of fly ash concrete subjected to 2- and 3-dimensional CO attack

CHEN Shudong, SUN Wei, ZHANG Yunsheng, GUO Fei

Frontiers of Structural and Civil Engineering 2008, Volume 2, Issue 4,   Pages 395-400 doi: 10.1007/s11709-008-0046-2

Abstract: Based on accelerated carbonation test, 1D, 2D and 3D carbonation of high performance concrete with different fly ash contents (0%, 15%, 20%, 40%, 60%) were studied. The interaction coefficients of 2D and 3D carbonation are defined. The time-dependent coefficient of carbon dioxide diffusion and the interaction coefficients of 2D and 3D carbonation are analyzed. The mathematical model which includes and is deduced. The experiments indicate that 2D and 3D carbonation have obvious interaction. Interaction coefficients obey the attenuation function through time . The mathematical model of 2D and 3D carbonation life prediction based on Fick scattering law can be solved by Fourier expansion. The life prediction of concrete of Sutong Bridge beam shows that the 1D, 2D, 3D carbonation prediction life are 1595 a, 882 a and 758 a, respectively, 2D and 3D carbonation life predicted are reduced clearly.
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An experimental study on plunging depth of density currents

Hassan GOLEIJ, Amir Hamzeh HAGHIABI, Abbas PARSAIE

Frontiers of Structural and Civil Engineering 2017, Volume 11, Issue 4,   Pages 388-395 doi: 10.1007/s11709-017-0417-7

Abstract: In this study the influences of bed slope and hydraulic parameters on plunging depth were experimentallyThe results show that the slope has a minor effect on the plunging depth.The height of plunging depth is increased by increasing the density of the current flow.Also increasing the densimetric Froude number caused of decreasing the plunging depth.Finally an equation was proposed to estimate the plunging depth using as function of flow characteristics

Keywords： dense current     plunge point     Densimetric Froude Number     dam reservoirs    

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Title Author Date Type Operation

Investigating the raveling test for full-depth reclamation

Robert HILL, Andrew BRAHAM

Journal Article

Modeling of unconfined compressive strength of soil-RAP blend stabilized with Portland cement using multivariate adaptive regression spline

Ali Reza GHANIZADEH, Morteza RAHROVAN

Journal Article

Full-mechanized caving mining technology of extremely thick and hard coal-seam with hard roof in shallowburied depth

Zhang Zhongwen,Wu Jinan

Journal Article

Make full use of the dredged soil for speeding up reclamation of Hengsha east shoal

Zhou Hai,Tang Chen,Ji Lan

Journal Article

Changes of microbial composition during wastewater reclamation and distribution systems revealed by high-throughput

Yiwen LIN,Dan LI,Siyu ZENG,Miao HE

Journal Article

Multivariable regression model for Fox depth correction factor

Ravi Kant MITTAL, Sanket RAWAT, Piyush BANSAL

Journal Article

Quantitative analysis of microplastics in coastal tidal-flat reclamation in Dongtai, China

Journal Article

Particle swarm optimization model to predict scour depth around a bridge pier

Shahaboddin SHAMSHIRBAND, Amir MOSAVI, Timon RABCZUK

Journal Article

Depth of cut models for multipass abrasive waterjet cutting of alumina ceramics with nozzle oscillation

Jun WANG

Journal Article

Effect of biological activated carbon filter depth and backwashing process on transformation of biofilm

Wanqi Qi, Weiying Li, Junpeng Zhang, Xuan Wu, Jie Zhang, Wei Zhang

Journal Article

Capturing the opportunities to initiate an in-depth integration of traditional Chinese medicine and western

Jia-Hua Qu,Bing Liu,Zhu-Qin Zhang,De-Pei Liu

Journal Article

Prediction of hydro-suction dredging depth using data-driven methods

Journal Article

Partial anammox achieved in full scale biofilm process for typical domestic wastewater treatment

Journal Article

Carbonation depth prediction of fly ash concrete subjected to 2- and 3-dimensional CO attack

CHEN Shudong, SUN Wei, ZHANG Yunsheng, GUO Fei

Journal Article

An experimental study on plunging depth of density currents

Hassan GOLEIJ, Amir Hamzeh HAGHIABI, Abbas PARSAIE

Journal Article