LEADER 05753nam 22006015 450 001 9910627250803321 005 20230810175907.0 010 $a3-031-12267-4 024 7 $a10.1007/978-3-031-12267-5 035 $a(MiAaPQ)EBC7087515 035 $a(Au-PeEL)EBL7087515 035 $a(CKB)24825991300041 035 $a(DE-He213)978-3-031-12267-5 035 $a(PPN)264955900 035 $a(EXLCZ)9924825991300041 100 $a20220914d2023 u| 0 101 0 $aeng 135 $aurcnu|||||||| 181 $ctxt$2rdacontent 182 $cc$2rdamedia 183 $acr$2rdacarrier 200 10$aConcrete Structures Deteriorated by Delayed Ettringite Formation and Alkali-Silica Reactions /$fby António C. Azevedo, Fernando A.N. Silva, João M.P.Q. Delgado, Isaque Lira 205 $a1st ed. 2023. 210 1$aCham :$cSpringer International Publishing :$cImprint: Springer,$d2023. 215 $a1 online resource (93 pages) 225 1 $aBuilding Pathology and Rehabilitation,$x2194-9840 ;$v24 311 08$aPrint version: Azevedo, António C. Concrete Structures Deteriorated by Delayed Ettringite Formation and Alkali-Silica Reactions Cham : Springer International Publishing AG,c2022 9783031122668 320 $aIncludes bibliographical references and index. 327 $aIntro -- Preface -- Contents -- 1 Introduction -- 1.1 Description -- 1.2 Objectives -- References -- 2 Brief Literature Review -- 2.1 Delayed Ettringite Formation (DEF) -- 2.2 Alkali-Silica Reaction (ASR) -- 2.2.1 Numerical Modelling of ASR -- References -- 3 The Plasticity Model of Concrete Damage-CDPM -- 3.1 Additive Decomposition of the Field of Total Deformations -- 3.2 Mechanical Behaviour of the Model -- 3.2.1 Uniaxial Behaviour in Traction and Compression -- 3.2.2 Nonlinear Behaviour in Traction -- 3.2.3 Nonlinear Behaviour in Compression -- 3.3 Flow Law and Flow Criterion -- 3.4 Routine for Parameters Needed for the Model CDP -- 3.4.1 Routine Description -- 3.4.2 Routine Implementation-Generation of Inelastic Deformations, Damage Parameters and Respective Stresses -- 3.5 Routine for Reducing the Mechanical Properties of Concrete by Internal Expansion Reactions (IER) -- References -- 4 Bottle-Shaped Isolated Struts Concrete Deteriorated -- 4.1 Materials and Methods -- 4.2 Experimental Program -- 4.2.1 Panel S1-2 -- 4.2.2 Panel S3-1 -- 4.2.3 Qualitative Information from Other Panels -- References -- 5 Numerical Simulation -- 5.1 Computational Model Description -- 5.2 Computational Model -- 5.3 Properties of Concrete-Elasticity, Plasticity and Damage -- 5.4 Step Definition -- 5.5 Assembly -- 5.6 Definition of Interactions in the Model -- 5.7 Definition of the Boundary Conditions -- 5.8 Processing -- References -- 6 Numerical Results and Discussion -- 6.1 FEM Validation -- 6.1.1 Qualitative Comparisons -- 6.1.2 Quantitative Comparisons -- 6.2 Panel S3-1 Deteriorated by Alkali-Silica Reaction (ASR) -- 6.3 Panel S2-1 Deteriorated by Delayed Ettringite Formation (DEF) -- References -- 7 Conclusions and Future Recommendations -- 7.1 Conclusions -- 7.2 Future Recommendations -- References. 330 $aThis book discusses the behaviour of isolated concrete bottle-shaped struts affected by internal expansion reactions (ISR). For that purpose, the numerical modelling of damaged concrete was performed using the Concrete Damaged Plasticity Model (CDPM) implemented in ABAQUS and validated the model through Sankovich's tests. A procedure to automatically obtain the concrete plasticity and damage parameters, essential for CDPM, was developed in Matlab. The inputs were the characteristic compressive strength of the concrete, the equivalent length of the finite element mesh and the ratio between the plastic and inelastic compressive strains. The results showed that the CDPM could represent the load-bearing mechanisms of isolated concrete bottle-shaped struts for a range of several stress levels to which these elements may be subjected in the panels investigated. The numerical simulations for different expansion levels consistently captured the expected damage profile of the panels and the load corresponding to the formation of the first crack, the estimated crack opening, and the ultimate load. For the panels investigated, the reduction observed in the failure load reached values close to 70%, the increase of the tensile plastic deformation was more than 60%, and the maximum crack opening can reach an increase of 113% when compared with those observed experimentally in panels without internal swelling reactions The book also offers a systematic review of the current state of knowledge and it is a valuable resource for scientists, students, practitioners, and lecturers in various scientific and engineering disciplines, namely, civil and materials engineering, as well as and other interested parties. 410 0$aBuilding Pathology and Rehabilitation,$x2194-9840 ;$v24 606 $aConcrete 606 $aBuilding materials 606 $aBuildings$xDesign and construction 606 $aConcrete 606 $aStructural Materials 606 $aBuilding Construction and Design 615 0$aConcrete. 615 0$aBuilding materials. 615 0$aBuildings$xDesign and construction. 615 14$aConcrete. 615 24$aStructural Materials. 615 24$aBuilding Construction and Design. 676 $a780 676 $a624.18340287 700 $aAzevedo$b Anto?nio C.$0780974 801 0$bMiAaPQ 801 1$bMiAaPQ 801 2$bMiAaPQ 906 $aBOOK 912 $a9910627250803321 996 $aConcrete structures deteriorated by delayed ettringite formation and alkali-silica reactions$93010764 997 $aUNINA