Resource Type

Journal Article 306

Conference Videos 15

Year

2023 15

2022 17

2021 29

2020 16

2019 23

2018 12

2017 7

2016 15

2015 7

2014 24

2013 21

2012 15

2011 13

2010 24

2009 24

2008 9

2007 10

2006 3

2005 10

2004 2

open ︾

Keywords

steel fiber 5

fatigue 4

stainless steel 4

steel box girder 4

steel structure 4

Iron and steel industry 3

Baosteel 2

CFRP 2

DFT 2

Sutong Bridge 2

Taizhou Bridge 2

bond-energy 2

bond-length 2

cable-stayed bridge 2

durability 2

energy dissipation 2

fiber-reinforced polymer 2

finite element method 2

fire 2

open ︾

Search scope:

排序： Display mode:

Study of bond strength between various grade of Ordinary Portland Cement (OPC) and Portland Pozzolane

A D POFALE, S P WANJARI

Frontiers of Structural and Civil Engineering 2013, Volume 7, Issue 1,   Pages 39-45 doi: 10.1007/s11709-013-0193-y

Abstract: But, till to date, a few literature is available on bond strength of concrete using PPC mixes.Hence, a comparative study was conducted on bond strength between OPC and PPC mixes.observed at 0.25 mm slip at loaded end called as critical bond stress and at maximum bond load calledas maximum bond stress.Whereas, marginal improvement was noticed in maximum bond strength of PPC mixes.

Keywords： bond strength     Portland Pozzolane Cement (PPC) concrete     Ordinary Portland Cement (OPC) concrete     bond betweenconcrete and steel     pullout test     development length    

HTML PDF Collect

Steel Fiber–Matrix Interfacial Bond in Ultra-High Performance Concrete: A Review Review

Yulin Deng,Zuhua Zhang,Caijun Shi,Zemei Wu,Chaohui Zhang

Engineering 2023, Volume 22, Issue 3,   Pages 215-232 doi: 10.1016/j.eng.2021.11.019

Abstract: The steel fiber–matrix interfacial bond is the main factor that governs other mechanical propertiesThis paper presents a comprehensive review on the research progress of fiber–matrix bond behaviorsThe parameters of the fiber–matrix bond, including the geometry and orientation of fibers, surface

Keywords： Ultra-high performance concrete     Interfacial bond     Steel fiber     Pullout behavior    

HTML PDF Collect

Effect of embedment length of untreated natural fibres on the bond behaviour in cement mortar

Gudimella RAMAKRISHNA, Sriraman PRIYADHARSHINI

Frontiers of Structural and Civil Engineering 2018, Volume 12, Issue 4,   Pages 454-460 doi: 10.1007/s11709-017-0454-2

Abstract: effects of various matrices with 1:3, 1:4 and 1:5 mortars and fibre types of sisal and coir on the bondFrom the results, it is seen that the bond strength is improving with respect to age of curing in casesuch as mortar mixes, sand gradation, w/c ratio and embedded length also showed significant effect on bond

Keywords： bond strength     cement mortar     natural fibre     pullout test     type of failure    

HTML PDF Collect

Stress analysis of deck pavement of continuous steel box girder

Li Guofen,Cao Mu, Wang Hongchang,Zhu Huaping

Strategic Study of CAE 2013, Volume 15, Issue 8,   Pages 79-83

Abstract:

The geometric structure of steel deck plates is complex.finite element method for the mechanics analysis of the composite guss asphalt surfacing layer of curved steelBy taking the orthotropic steel deck and the pavement as a whole, a reasonable finite element model whichAccording to the common diseases in steel deck pavements and the effect of the overload and the horizontal

Keywords： bridge deck pavement     curved continuous steel box girder     surfacing cracking     bond slip     stress and the    

HTML PDF Collect

Calculation of Bond-length, Bond-energy and Force Constant of Hydrogen Molecule by Classical Mechanics

Chen Jing

Strategic Study of CAE 2003, Volume 5, Issue 6,   Pages 39-43

Abstract: molecule structural parameters are calculated with the classical mechanics, and the hydrogen molecule bond-length

Keywords： hydrogen molecule     bond-length     bond-energy     force constant    

HTML PDF Collect

Effect of noble metal nanoparticle size on C–N bond cleavage performance in hydrodenitrogenation: a study

Frontiers of Chemical Science and Engineering 2023, Volume 17, Issue 12,   Pages 1986-2000 doi: 10.1007/s11705-023-2337-5

Abstract: Breakage of the C–N bond is a structure sensitive process, and the catalyst size significantly affectsOn the active metal nanoparticle scale, the role of catalyst size in C–N bond cleavage has not been clearlyResults showed a 13 times higher reaction rate for sp3-hybridized C–N bond cleavage than sp2-hybridized C–N bond cleavage, while the reaction rate tended to increase first and thencleavage activity, and the step atoms are the active sites for the C–N bond cleavage.

Keywords： sp3/sp2-hybridized C–N bond     noble metal nanoparticle     catalytic active site     turnover    

HTML PDF Collect

The effect of carbon nanotubes and polypropylene fibers on bond of reinforcing bars in strain resilient

Souzana P. TASTANI,Maria S. KONSTA-GDOUTOS,Stavroula J. PANTAZOPOULOU,Victor BALOPOULOS

Frontiers of Structural and Civil Engineering 2016, Volume 10, Issue 2,   Pages 214-223 doi: 10.1007/s11709-016-0332-3

Abstract: bars and concrete is engaged through rib translation relative to concrete, and comprises longitudinal bondreleased upon radial cracking of the cover along the anchorage with commensurate abrupt loss of the bondslip, residual resistance and controlled slippage.The aim of this paper is to investigate the local bondof steel bars developed in adverse tensile stress conditions in the concrete cover.strength up to large levels of controlled bar-slip; the elasto-plastic bond response envelope was a

Keywords： carbon nanotubes     strain resilient cementitious composite     polypropylene fibers     tensile bending     bond    

HTML PDF Collect

Effect of bond enhancement using carbon nanotubes on flexural behavior of RC beams strengthened with

Frontiers of Structural and Civil Engineering 2022, Volume 16, Issue 1,   Pages 131-143 doi: 10.1007/s11709-021-0787-8

Abstract: This paper studied the effect of incorporation of carbon nanotubes (CNTs) in carbon fiber reinforced polymer (CFRP) on strengthening of reinforced concrete (RC) beams. The RC beams were prepared, strengthened in flexure by externally bonded CFRP or CNTs-modified CFRP sheets, and tested under four-point loading. The experimental results showed the ability of the CNTs to delay the initiation of the cracks and to enhance the flexural capacity of the beams strengthened with CFRP. A nonlinear finite element (FE) model was built, validated, and used to study the effect of various parameters on the strengthening efficiency of CNTs-modified CFRP. The studied parameters included concrete strength, flexural reinforcement ratio, and CFRP sheet configuration. The numerical results showed that utilization of CNTs in CFRP production improved the flexural capacity of the strengthened beams for U-shape and underside-strip configurations. The enhancement was more pronounced in the case of U-shape than in the case of use of sheet strip covers on the underside of the beam. In case of using underside-strip, the longer or the wider the sheet, the higher was the flexural capacity of the beams. The flexural enhancement of RC beams by strengthening with CNTs-modified CFRP decreased with increasing the rebar diameter and was not affected by concrete strength.

Keywords： RC beams     flexural     strengthening     CFRP     CNTs     finite element    

HTML PDF Collect

Controllable synthesis of a large TS-1 catalyst for clean epoxidation of a C=C double bond under mild

Frontiers of Chemical Science and Engineering 2023, Volume 17, Issue 6,   Pages 772-783 doi: 10.1007/s11705-022-2280-x

Abstract: Development of a titanium silicalite-1 (TS-1) catalyst with good crystallinity and a four-coordinate Ti framework is critical for efficient catalytic oxidation reaction under mild conditions. Herein, a size-controlled TS-1 zeolite (TS-1#0.1ACh (acetylcholine)) was synthesized via steam-assisted crystallization by introducing acetylcholine as a crystal growth modifier in the preparation process, and TS-1#0.1ACh was also employed in epoxidations of different substrates containing C=C double bonds. The crystalline sizes of the as-synthesized TS-1#0.1ACh catalysts were controlled with the acetylcholine content, and characterization results showed that the particle sizes of highly crystalline TS-1#0.1ACh zeolite reached 3.0 μm with a good Ti framework. Throughout the synthetic process, the growth rate of the crystals was accelerated by electrostatic interactions between the connected hydroxyl groups of the acetylcholine modifier and the negatively charged skeleton of the pre-zeolites. Furthermore, the TS-1#0.1ACh catalyst demonstrated maximum catalytic activity, good selectivity and high stability during epoxidation of allyl chloride. Importantly, the TS-1#0.1ACh catalyst was also highly versatile and effective with different unsaturated substrates. These findings may provide novel, easily separable and large TS-1 catalysts for efficient and clean industrial epoxidations of C=C double bonds.

Keywords： size-controlled TS-1     crystal modifier     steam-assisted crystallization     epoxidation    

HTML PDF Collect

Prediction of the flash points of alkanes by group bond contribution method using artificial neural networks

PAN Yong, JIANG Juncheng, WANG Zhirong

Frontiers of Chemical Science and Engineering 2007, Volume 1, Issue 4,   Pages 390-394 doi: 10.1007/s11705-007-0071-z

Abstract: A group bond contribution model using artificial neural networks, which had the high ability of nonlinear

Keywords： information     nonlinear     quantitative correlation     superior     molecular    

HTML PDF Collect

Calculation of H2+ Structural Parameters based on Hydrogen Atomic Protonized Model

Chen Jing

Strategic Study of CAE 2004, Volume 6, Issue 11,   Pages 29-32

Abstract: Three formulas deduced from above model for bond-length, bond-energy and force constant of hydrogen molecule

Keywords： hydrogen molecule ion     bond-length     bond-energy     force constant    

HTML PDF Collect

Steel Bridges in China

Pan Jiyan

Strategic Study of CAE 2007, Volume 9, Issue 7,   Pages 18-26

Abstract:

This paper contains a brief introduction of the development of the steelIt also introduces the characteristic requiremens of the material used in steel bridges.

Keywords： steel brigde in China     steel materials     design of steel brigde     structure of steel bridge    

HTML PDF Collect

On braced trapezoidal corrugated steel shear panels: An experimental and numerical study

Frontiers of Structural and Civil Engineering 2023, Volume 17, Issue 3,   Pages 396-410 doi: 10.1007/s11709-023-0934-5

Abstract: In this study, a new system consisting of a combination of braces and steel infill panels called thebraced corrugated steel shear panel (BCSSP) is presented.The results obtained from the parametric study indicate that the corrugated steel shear panel (CSSP)

Keywords： trapezoidal corrugated plate     steel shear panel     braced steel shear panel     experimental study     buckling    

HTML PDF Collect

Microdamage study of granite under thermomechanical coupling based on the particle flow code

Frontiers of Structural and Civil Engineering   Pages 1413-1427 doi: 10.1007/s11709-023-0953-2

Abstract: In this study, an improved temperature-dependent linear parallel bond model is introduced under the framework

Keywords： thermomechanical coupling effect     granite     improved linear parallel bond model     thermal property     particle    

HTML PDF Collect

A density functional theory study of methane activation on MgO supported NiM cluster: role of M on C–H activation

Frontiers of Chemical Science and Engineering 2022, Volume 16, Issue 10,   Pages 1485-1492 doi: 10.1007/s11705-022-2169-8

Abstract: The role of M on the first C–H bond cleavage of CH4 was investigated.Doping elements of the same period in Ni cluster, such as Fe, Co and Cu, for C–H bond activation followsAs a result, Ni–Fe shows the best ability for C–H bond cleavage.Consequently, C–H bond activation demands a lower energy barrier on Ni–Pt cluster.

Keywords： CH4 dissociation     Ni–M     C–H bond activation     charge transfer    

HTML PDF Collect

Title Author Date Type Operation

Study of bond strength between various grade of Ordinary Portland Cement (OPC) and Portland Pozzolane

A D POFALE, S P WANJARI

Journal Article

Steel Fiber–Matrix Interfacial Bond in Ultra-High Performance Concrete: A Review

Yulin Deng,Zuhua Zhang,Caijun Shi,Zemei Wu,Chaohui Zhang

Journal Article

Effect of embedment length of untreated natural fibres on the bond behaviour in cement mortar

Gudimella RAMAKRISHNA, Sriraman PRIYADHARSHINI

Journal Article

Stress analysis of deck pavement of continuous steel box girder

Li Guofen,Cao Mu, Wang Hongchang,Zhu Huaping

Journal Article

Calculation of Bond-length, Bond-energy and Force Constant of Hydrogen Molecule by Classical Mechanics

Chen Jing

Journal Article

Effect of noble metal nanoparticle size on C–N bond cleavage performance in hydrodenitrogenation: a study

Journal Article

The effect of carbon nanotubes and polypropylene fibers on bond of reinforcing bars in strain resilient

Souzana P. TASTANI,Maria S. KONSTA-GDOUTOS,Stavroula J. PANTAZOPOULOU,Victor BALOPOULOS

Journal Article

Effect of bond enhancement using carbon nanotubes on flexural behavior of RC beams strengthened with

Journal Article

Controllable synthesis of a large TS-1 catalyst for clean epoxidation of a C=C double bond under mild

Journal Article

Prediction of the flash points of alkanes by group bond contribution method using artificial neural networks

PAN Yong, JIANG Juncheng, WANG Zhirong

Journal Article

Calculation of H2+ Structural Parameters based on Hydrogen Atomic Protonized Model

Chen Jing

Journal Article

Steel Bridges in China

Pan Jiyan

Journal Article

On braced trapezoidal corrugated steel shear panels: An experimental and numerical study

Journal Article

Microdamage study of granite under thermomechanical coupling based on the particle flow code

Journal Article

A density functional theory study of methane activation on MgO supported NiM cluster: role of M on C–H activation

Journal Article