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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 sandbackfill to simulate the actual condition of basement walls.owing 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 andCurves 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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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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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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temperature-dependence of compressive and tensile behaviors of polypropylene fiber-reinforced cemented paste backfill

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

Abstract: understanding of compressive and tensile behaviors of polypropylene fiber-reinforced cemented paste backfill

Keywords： cemented paste backfill     fiber reinforcement     constitutive behavior     temperature     tailings    

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investigation of evolutive mode-I and mode-II fracture behavior of fiber-reinforced cemented paste backfill

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

Abstract: causes the nonlinear evolution of fracture behavior and properties of fiber-reinforced cemented paste 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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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.

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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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-aggregate

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

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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 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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The coupling of sand with ZVI/oxidants achieved proportional and highly efficient removal of arsenic

Sana Ullah, Xuejun Guo, Xiaoyan Luo, Xiangyuan Zhang, Yameng Li, Ziyu Liang

Frontiers of Environmental Science & Engineering 2020, Volume 14, Issue 6, doi: 10.1007/s11783-020-1273-6

Abstract: . • Sand doping facilitated proportional As trapping along the ZVI/oxidants column. • ZVI/sand/oxidantsare highly efficient for arsenic removal. • ZVI/sand/oxidants reduced significantly the Fe2+ leachingand effluent turbidity. • More than 54% of arsenic was reduced to As(III) in ZVI/sand/oxidants systemIn a packed column with a 1:20 mixture of ZVI and sand, the average As removal efficiency was 36 (1stMoreover, the leaching of Fe was significantly reduced with an increased sand ratio, resulting in clearer

Keywords： Arsenic     ZVI     Sand     Oxidants     Fixed-bed Column     Removal    

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Effect of microlimestone on properties of self-consolidating concrete with manufactured sand and mineral

Fulin Qu, Wengui Li, Xiaohui Zeng, Zhiyu Luo, Kejin Wang, Daichao Sheng

Frontiers of Structural and Civil Engineering 2020, Volume 14, Issue 6,   Pages 1545-1560 doi: 10.1007/s11709-020-0678-4

Abstract: Self-consolidating concrete (SCC) with manufactured sand (MSCC) is crucial to guarantee the quality ofproperties of MSCC with different microlimestone powder (MLS) replacements of retreated manufactured sandhas the highest strength in the late age, which is even better than that of SCC made with the river sandThe obtained results can be used to promote the application of SCC made with manufactured sand and mineral

Keywords： microlimestone powder     manufactured sand     retreated manufactured sand     self-consolidating concrete     mineral    

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Utilization of MSWI fly ash as partial cement or sand substitute with focus on cementing efficiency and

Lei Zheng, Xingbao Gao, Wei Wang, Zifu Li, Lingling Zhang, Shikun Cheng

Frontiers of Environmental Science & Engineering 2020, Volume 14, Issue 1, doi: 10.1007/s11783-019-1184-6

Abstract: Washed MSWI fly ash was used as partial cement or sand substitute.Sand replacing is beneficial for strength, while cement replacement reduces strength.with the increase in fly ash amount, whereas the strength increases when the fly ash is blended as sandhighest strength (compressive strength= 30.2 Mpa; flexural strength= 7.0 Mpa) was obtained when the sandThe macropores assigned to the gaps between particles decreased when the fly ash was used as sand replacement

Keywords： MSWI fly ash     Cementing efficiency     Health risk assessment of heavy metal     Sand replacement     Cement replacement    

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Title Author Date Type Operation

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

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

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

Journal Article

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

Journal Article

investigation of evolutive mode-I and mode-II fracture behavior of fiber-reinforced cemented paste backfill

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

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

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

The coupling of sand with ZVI/oxidants achieved proportional and highly efficient removal of arsenic

Sana Ullah, Xuejun Guo, Xiaoyan Luo, Xiangyuan Zhang, Yameng Li, Ziyu Liang

Journal Article

Effect of microlimestone on properties of self-consolidating concrete with manufactured sand and mineral

Fulin Qu, Wengui Li, Xiaohui Zeng, Zhiyu Luo, Kejin Wang, Daichao Sheng

Journal Article

Utilization of MSWI fly ash as partial cement or sand substitute with focus on cementing efficiency and

Lei Zheng, Xingbao Gao, Wei Wang, Zifu Li, Lingling Zhang, Shikun Cheng

Journal Article