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- and temperature-dependence of compressive and tensile behaviors of polypropylene fiber-reinforced cementedpaste backfill

Frontiers of Structural and Civil Engineering 2021, Volume 15, Issue 4,   Pages 1025-1037 doi: 10.1007/s11709-021-0741-9

Abstract: The understanding of compressive and tensile behaviors of polypropylene fiber-reinforced cemented pastebackfill (FR-CPB) play crucial roles in the successful implementation of reinforcement technique in

Keywords： cemented paste backfill     fiber reinforcement     constitutive behavior     temperature     tailings    

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Experimental investigation of evolutive mode-I and mode-II fracture behavior of fiber-reinforced cementedpaste backfill: Effect of curing temperature and curing time

Frontiers of Structural and Civil Engineering 2023, Volume 17, Issue 2,   Pages 256-270 doi: 10.1007/s11709-022-0924-z

Abstract: cement hydration causes the nonlinear evolution of fracture behavior and properties of fiber-reinforced cementedpaste backfill (CPB) and thus influences the stability of mine backfill materials in deep mines.

Keywords： fiber reinforcement     cemented paste backfill     fracture behavior     underground mine     cement hydration    

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Multiscale mechanical modeling of hydrated cement paste under tensile load using the combined DEM-MD

Yue HOU, Linbing WANG

Frontiers of Structural and Civil Engineering 2017, Volume 11, Issue 3,   Pages 270-278 doi: 10.1007/s11709-017-0408-8

Abstract: paper, a combined DEM-MD method is proposed to simulate the crack failure process of Hydrated Cement Paste

Keywords： hydrated cement paste     multiscale     MD simulation     DEM    

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The Cemented Material Dam: A New, Environmentally Friendly Type of Dam

Jinsheng Jia, Michel Lino, Feng Jin, Cuiying Zheng

Engineering 2016, Volume 2, Issue 4,   Pages 490-497 doi: 10.1016/J.ENG.2016.04.003

Abstract:

The first author proposed the concept of the cemented material dam (CMD) in 2009.The concept covers the cemented sand, gravel, and rock dam (CSGRD), the rockfill concrete (RFC) dam (or the cemented rockfill dam, CRD), and the cemented soil dam (CSD).

Keywords： Cemented material dam (CMD)     Cemented sand，gravel，and rock dam (CSGRD)     Rockfill concrete (RFC) dam     Cementedrockfill dam (CRD)     Cemented soil dam (CSD)     Material properties    

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Research and application of visual location technology for solder paste printing based on machine vision

Luosi WEI, Zongxia JIAO

Frontiers of Mechanical Engineering 2009, Volume 4, Issue 2,   Pages 184-191 doi: 10.1007/s11465-009-0034-9

Abstract: A location system is very important for solder paste printing in the process of surface mount technologyThis paper presents an integrated visual location system for solder paste printing based on machine visionThe working principle of solder paste printing is introduced and then the design and implementation of

Keywords： machine vision     visual location     solder paste printing     VisionPro    

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Upper bound solution to seismic active earth pressure of submerged backfill subjected to partial drainage

Frontiers of Structural and Civil Engineering 2021, Volume 15, Issue 6,   Pages 1480-1493 doi: 10.1007/s11709-021-0776-y

Abstract: a general analytical method to evaluate the seismic active earth pressure on a retaining wall with backfill

Keywords： seismic active earth pressure     partial seepage flow     pore pressure     anisotropy     upper bound theorem    

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Application of random set method in a deep excavation: based on a case study in Tehran cemented alluvium

Arash SEKHAVATIAN, Asskar Janalizadeh CHOOBBASTI

Frontiers of Structural and Civil Engineering 2019, Volume 13, Issue 1,   Pages 66-80 doi: 10.1007/s11709-018-0461-y

Abstract: efficient user-friendly framework for dealing with uncertainties in a deep excavation in layers of cemented

Keywords： uncertainty     reliability analysis     deep excavations     random set method     finite difference method    

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Microstructural and photocatalytic characterization of cement-paste sol-gel synthesized titanium dioxide

Elena CERRO-PRADA,Miguel MANSO,Vicente TORRES,Jesús SORIANO

Frontiers of Structural and Civil Engineering 2016, Volume 10, Issue 2,   Pages 189-197 doi: 10.1007/s11709-015-0326-6

Abstract: A route for the in paste synthesis of TiO loaded cement is described.TiO sols are blended with fresh cement paste as an alternative process to add photocatalytic functionalityThe modification of cement paste structure after the addition of TiO sols is analyzed by XRD, SEM andThe results show that, although TiO phases reveal no long range order structure, the cement paste exothermal

Keywords： cement composites     photocatalytic TiO2     sol-gel     C-S-H gel     microstructure    

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Investigation on drilling-grinding of CFRP

Yanming QUAN, Wenwang ZHONG

Frontiers of Mechanical Engineering 2009, Volume 4, Issue 1,   Pages 60-63 doi: 10.1007/s11465-009-0008-y

Abstract: In this paper, the cemented or plated diamond core tools are tested to make holes in carbon fibre/epoxy

Keywords： composites     drilling-grinding     cemented/plated diamond     tool life     machined quality    

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Effect of earth reinforcement, soil properties and wall properties on bridge MSE walls

Frontiers of Structural and Civil Engineering 2021, Volume 15, Issue 5,   Pages 1209-1221 doi: 10.1007/s11709-021-0764-2

Abstract: Mechanically stabilized earth (MSE) retaining walls are popular for highway bridge structures. They have precast concrete panels attached to earth reinforcement. The panels are designed to have some lateral movement. However, in some cases, excessive movement and even complete dislocation of the panels have been observed. In this study, 3-D numerical modeling involving an existing MSE wall was undertaken to investigate various wall parameters. The effects of pore pressure, soil cohesion, earth reinforcement type and length, breakage/slippage of reinforcement and concrete strength, were examined. Results showed that the wall movement is affected by soil pore pressure and reinforcement integrity and length, and unaffected by concrete strength. Soil cohesion has a minor effect, while the movement increased by 13–20 mm for flexible geogrid reinforced walls compared with the steel grid walls. The steel grid stresses were below yielding, while the geogrid experienced significant stresses without rupture. Geogrid reinforcement may be used taking account of slippage resistance and wall movement. If steel grid is used, non-cohesive soil is recommended to minimize corrosion. Proper soil drainage is important for control of pore pressure.

Keywords： mechanically stabilized earth walls     precast concrete panels     backfill soil     finite element modeling    

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Seismic response of precast reinforced concrete wall subjected to cyclic in-plane and constant out-of-plane loading

Frontiers of Structural and Civil Engineering 2021, Volume 15, Issue 5,   Pages 1128-1143 doi: 10.1007/s11709-021-0753-5

Abstract: reinforced concrete wall under in-plane cyclic loading combined with out-of-plane loading replicated by sand backfillowing to the high aspect ratio and considerable out-of-plane movement due to lateral pressure from the backfillThe numerical model was used to conduct parametric studies to study the effect of backfill density andin-plane capacity of walls reduced, while deformation characteristics were unaffected by the increase in backfillCurves between the ratio of in-plane yield capacity and design shear load of walls are proposed for the backfill

Keywords： precast wall     basement wall     out-of-plane response     quasi-static test     sand backfill     seismic parameters    

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An investigation into the properties of ternary and binary cement pastes containing glass powder

Marcelo Frota BAZHUNI, Mahsa KAMALI, Ali GHAHREMANINEZHAD

Frontiers of Structural and Civil Engineering 2019, Volume 13, Issue 3,   Pages 741-750 doi: 10.1007/s11709-018-0511-5

Abstract: The binary paste with slag showed the highest hydration activity compared to the binary pastes with GPThe results indicated that the pozzolanic behavior of the binary paste with GP was less than that ofAn increase in the electrical resistivity and compressive strength of the binary paste with GP compared

Keywords： cement paste     glass powder     pozzolanic reaction     supplementary cementitious material    

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Tailings Problems and Tailings Utilization and Treatments in the Metal Mines

Cai Sijing,Yang Peng

Strategic Study of CAE 2000, Volume 2, Issue 4,   Pages 89-92

Abstract: underground, utilizing tailings dam as a waste dump, and land reclaiming while depositing tailings paste

Keywords： metal mines     tailings     environmental pollution     undisrground tailings disposal     tailings paste     mine without    

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Effect of nonionic side chain length of polycarboxylate-ether-based high-range water-reducing admixture on properties of cementitious systems

Süleyman ÖZEN, Muhammet Gökhan ALTUN, Ali MARDANI-AGHABAGLOU, Kambiz RAMYAR

Frontiers of Structural and Civil Engineering 2020, Volume 14, Issue 6,   Pages 1573-1582 doi: 10.1007/s11709-020-0680-x

Abstract: strength and water absorption capacity of the mortar mixtures and mini-slump performances of the cement paste

Keywords： water-reducing admixture     side chain length     cement paste     fluidity     compressive strength    

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The cement paste jacking construction techniques after the bearing plates of interconnections between

Zhang Ping,Jiang Jian,Dong Qinjun,Cai Wei,Liu Ying

Strategic Study of CAE 2010, Volume 12, Issue 4,   Pages 53-57

Abstract: The space needed for concrete cement paste jacking is reserved at the top of the tower cap.This paper briefly describes the concrete cement paste jacking techniques used in the construction procedure

Keywords： high strength     self-leveling     no shrinkage     post-grouting     technology    

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Title Author Date Type Operation

- and temperature-dependence of compressive and tensile behaviors of polypropylene fiber-reinforced cementedpaste backfill

Journal Article

Experimental investigation of evolutive mode-I and mode-II fracture behavior of fiber-reinforced cementedpaste backfill: Effect of curing temperature and curing time

Journal Article

Multiscale mechanical modeling of hydrated cement paste under tensile load using the combined DEM-MD

Yue HOU, Linbing WANG

Journal Article

The Cemented Material Dam: A New, Environmentally Friendly Type of Dam

Jinsheng Jia, Michel Lino, Feng Jin, Cuiying Zheng

Journal Article

Research and application of visual location technology for solder paste printing based on machine vision

Luosi WEI, Zongxia JIAO

Journal Article

Upper bound solution to seismic active earth pressure of submerged backfill subjected to partial drainage

Journal Article

Application of random set method in a deep excavation: based on a case study in Tehran cemented alluvium

Arash SEKHAVATIAN, Asskar Janalizadeh CHOOBBASTI

Journal Article

Microstructural and photocatalytic characterization of cement-paste sol-gel synthesized titanium dioxide

Elena CERRO-PRADA,Miguel MANSO,Vicente TORRES,Jesús SORIANO

Journal Article

Investigation on drilling-grinding of CFRP

Yanming QUAN, Wenwang ZHONG

Journal Article

Effect of earth reinforcement, soil properties and wall properties on bridge MSE walls

Journal Article

Seismic response of precast reinforced concrete wall subjected to cyclic in-plane and constant out-of-plane loading

Journal Article

An investigation into the properties of ternary and binary cement pastes containing glass powder

Marcelo Frota BAZHUNI, Mahsa KAMALI, Ali GHAHREMANINEZHAD

Journal Article

Tailings Problems and Tailings Utilization and Treatments in the Metal Mines

Cai Sijing,Yang Peng

Journal Article

Effect of nonionic side chain length of polycarboxylate-ether-based high-range water-reducing admixture on properties of cementitious systems

Süleyman ÖZEN, Muhammet Gökhan ALTUN, Ali MARDANI-AGHABAGLOU, Kambiz RAMYAR

Journal Article

The cement paste jacking construction techniques after the bearing plates of interconnections between

Zhang Ping,Jiang Jian,Dong Qinjun,Cai Wei,Liu Ying

Journal Article