High modulus concrete: Effects of low carbon nanotube and nanofiber additions

Theoretical and Applied Fracture Mechanics - Tập 103 - Trang 102295 - 2019
Maria S. Konsta-Gdoutos1, Panagiotis A. Danoglidis1, Surendra P. Shah1
1Center for Advanced Construction Materials, University of Texas at Arlington, Arlington, TX, USA

Tài liệu tham khảo

Shah, 1992, Properties of aggregate-cement interface for high performance concrete, 852 Zhou, 1995, Effect of coarse aggregate on elastic modulus and compressive strength of high performance concrete, Cem. Concr. Res., 25, 177, 10.1016/0008-8846(94)00125-I Wu, 2001, Effect of coarse aggregate type on mechanical properties of high-performance concrete, Cem. Concr. Res., 31, 1421, 10.1016/S0008-8846(01)00588-9 Tia, 2005 Mehta, 2014 Cordon, 1963, Variables in concrete aggregates and Portland cement paste which influence the strength of concrete, ACI Mater. J., 60, 1029 Siddique, 2003, Effect of fine aggregate replacement with Class F fly ash on the mechanical properties of concrete, Cem. Concr. Res., 33, 539, 10.1016/S0008-8846(02)01000-1 Kou, 2007, Influence of fly ash as cement replacement on the properties of recycled aggregate concrete, J. Mater. Civil Eng., 19, 709, 10.1061/(ASCE)0899-1561(2007)19:9(709) Mazloom, 2004, Effect of silica fume on mechanical properties of high-strength concrete, Cem. Concr. Compos., 26, 347, 10.1016/S0958-9465(03)00017-9 Shannag, 2000, High strength concrete containing natural pozzolan and silica fume, Cem. Concr. Compos., 22, 399, 10.1016/S0958-9465(00)00037-8 Gettu, 1990, Fracture properties and brittleness of high-strength concrete, ACI Mater. J., 87, 608 Shah, 2016, Nano-modification of cementitious material: toward a stronger and durable concrete, J. Sustain. Cem-Bas. Mater., 5, 1 Shah, 2017, Uncoupling modulus of elasticity and strength, Concr. Int., 39, 37 Konsta-Gdoutos, 2010, Highly dispersed carbon nanotubes reinforced cement based materials, Cem. Concr. Res., 40, 1052, 10.1016/j.cemconres.2010.02.015 Konsta-Gdoutos, 2010, Multi-scale mechanical and fracture characteristics and early-age strain capacity of high performance carbon nanotube/cement nanocomposites, Cem. Concr. Compos., 32, 110, 10.1016/j.cemconcomp.2009.10.007 Konsta-Gdoutos, 2017, Effect of CNT and CNF loading and count on the corrosion resistance, conductivity and mechanical properties of nanomodified OPC mortars, Con. Build. Mater., 147, 48, 10.1016/j.conbuildmat.2017.04.112 Konsta-Gdoutos, 2017, Fresh and mechanical properties, and strain sensing of nanomodified cement mortars: the effects of MWCNT aspect ratio, density and functionalization, Cem. Concr. Compos., 82, 137, 10.1016/j.cemconcomp.2017.05.004 Danoglidis, 2016, Strength, energy absorption capability and self-sensing properties of multifunctional carbon nanotube reinforced mortars, Con. Build. Mater., 120, 274 Danoglidis, 2019, Relationship between the carbon nanotube dispersion state, electrochemical impedance and capacitance and mechanical properties of percolative nanoreinforced OPC mortars, Carbon., 145, 218, 10.1016/j.carbon.2018.12.088 Gdoutos, 2016, Portland cement mortar nanocomposites at low carbon nanotube and carbon nanofiber content: a fracture mechanics experimental study, Cem. Concr. Compos., 70, 110, 10.1016/j.cemconcomp.2016.03.010 Konsta-Gdoutos, 2018, Fracture parameters of nanoreinforced cement mortars: the effect of CNT functionalization, Strength Fract. Complexity, 11, 185, 10.3233/SFC-180222 S.P. Shah, M.S. Konsta-Gdoutos, Z.S. Metaxa, Highly dispersed carbon nanotube reinforced cement based materials, United States Patent US9,365,456 (B2) -2016-06-14. M.C. Hersam, J-W.T. Seo, S.P. Shah, M.S. Konsta-Gdoutos, Z.S. Metaxa, Highly concentrated nano-reinforcement suspensions for cementitious materials and method of reinforcing such materials, United States Patent, US8,865,107(B2)- 2014-10-14. S.P. Shah, M.S. Konsta-Gdoutos, Z.S. Metaxa, Highly dispersed carbon nanotube reinforced cement based materials, United States Patent No. 9,499,439 (B2) -2016-11-22. BS EN 196 – 1: Methods of testing cement. Determination of strength, 2016. ASTM C192/C192M-18, Standard Practice for Making and Curing Concrete Test Specimens in the Laboratory, ASTM International, West Conshohocken, PA, 2018, www.astm.org. ASTM C348-18, Standard Test Method for Flexural Strength of Hydraulic-Cement Mortars, ASTM International, West Conshohocken, PA, 2018, www.astm.org. ASTM C349-18, Standard Test Method for Compressive Strength of Hydraulic-Cement Mortars (Using Portions of Prisms Broken in Flexure), ASTM International, West Conshohocken, PA, 2018, www.astm.org. ASTM C109/C109M-16a, Standard Test Method for Compressive Strength of Hydraulic Cement Mortars (Using 2-in. or [50-mm] Cube Specimens), ASTM International, West Conshohocken, PA, 2016, www.astm.org. Benveniste, 1987, A new approach to the application of Mori-Tanaka’s theory in composite materials, Mech. Mater., 6, 147, 10.1016/0167-6636(87)90005-6 Mori, 1973, Average stress in matrix and average elastic energy of materialswith misfi tting inclusions, Acta Metal. Mater., 21, 571, 10.1016/0001-6160(73)90064-3 Lu, 1997, Elastic properties of carbon nanotubes and nanoropes, Phys. Rev. Lett., 79, 1297, 10.1103/PhysRevLett.79.1297 Togho, 2009, A constitutive model of particulate-reinforced composites taking account of particle size effects and damage evolution, vol. 41, 313 ASTM C293/C293M-16, Standard Test Method for Flexural Strength of Concrete (Using Simple Beam With Center-Point Loading), ASTM International, West Conshohocken, PA, 2016, www.astm.org. ASTM C39/C39M-18, Standard Test Method for Compressive Strength of Cylindrical Concrete Specimens, ASTM International, West Conshohocken, PA, 2018, www.astm.org. ASTM C469/C469M-14, Standard Test Method for Static Modulus of Elasticity and Poisson’s Ratio of Concrete in Compression, ASTM International, West Conshohocken, PA, 2014, www.astm.org. American Concrete Institute, Report on Fiber Reinforced Concrete, ACI 544.1R-96, 1996. Gao, 2018, Effect of carbon nanofibers on autogenous shrinkage and shrinkage cracking of cementitious nanocomposites, ACI Mater. J., 115, 615 Falara, 2015, Measurement and modeling of the elastic modulus of advanced cement based nanocomposites, Nanotechnol. Constr., 271, 10.1007/978-3-319-17088-6_35 Metaxa, 2013, Carbon nanofiber cementitious composites: effect of debulking procedure on dispersion and reinforcing efficiency, Cem. Concr. Compos., 36, 25, 10.1016/j.cemconcomp.2012.10.009 Zhu, 2018, Effect of interfacial transition zone on the Young's modulus of carbon nanofiber reinforced cement concrete, Cement Concr. Res., 107, 49, 10.1016/j.cemconres.2018.02.014 Eftekhari, 2016, Multiscale dynamic fracture behavior of the carbon nanotube reinforced concrete under impact loading, Int. J. Impact Eng., 87, 55, 10.1016/j.ijimpeng.2015.06.023 HRN EN 1992-1-1:2013 (Eurocode 2). Design of Concrete Structures— Part 1–1: General Rules and Rules for Buildings. ACI Committee, American Concrete Institute, International Organization for Standardization. Building code requirements for structural concrete (ACI 318-08) and commentary, American Concrete Institute. Shah, 1981, High strength concrete—a workshop summary, Concr. Int., 3, 94