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Concrete structures deteriorated by ...

Azevedo, António C.

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Concrete structures deteriorated by delayed ettringite formation and alkali-silica reactions

Record Type:	Electronic resources : Monograph/item
Title/Author:	Concrete structures deteriorated by delayed ettringite formation and alkali-silica reactions/ by António C. Azevedo ... [et al.].
other author:	Azevedo, António C.
Published:	Cham :Springer International Publishing : : 2023.,
Description:	viii, 88 p. :ill., digital ;24 cm.
Contained By:	Springer Nature eBook
Subject:	Concrete construction - Deterioration -
Online resource:	https://doi.org/10.1007/978-3-031-12267-5
ISBN:	9783031122675

Concrete structures deteriorated by delayed ettringite formation and alkali-silica reactions
Concrete structures deteriorated by delayed ettringite formation and alkali-silica reactions[electronic resource] /by António C. Azevedo ... [et al.]. - Cham :Springer International Publishing :2023. - viii, 88 p. :ill., digital ;24 cm. - Building pathology and rehabilitation,v. 242194-9840 ;. - Building pathology and rehabilitation ;v. 24..

This 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.

ISBN: 9783031122675

Standard No.: 10.1007/978-3-031-12267-5doiSubjects--Topical Terms:

3625746
Concrete construction
--Deterioration

LC Class. No.: TA681

Dewey Class. No.: 624.1834

Concrete structures deteriorated by delayed ettringite formation and alkali-silica reactions
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245 0 0 $a Concrete structures deteriorated by delayed ettringite formation and alkali-silica reactions $h [electronic resource] / $c by António C. Azevedo ... [et al.].
260 $a Cham : $b Springer International Publishing : $b Imprint: Springer, $c 2023.
300 $a viii, 88 p. : $b ill., digital ; $c 24 cm.
490 1 $a Building pathology and rehabilitation, $x 2194-9840 ; $v v. 24
520 $a This 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.
650 0 $a Concrete construction $x Deterioration $x Mathematical models. $3 3625746
650 0 $a Concrete $x Deterioration $x Mathematical models. $3 3625747
650 0 $a Ettringite. $3 3625748
650 1 4 $a Concrete. $3 666349
650 2 4 $a Structural Materials. $3 898417
650 2 4 $a Building Construction and Design. $3 3166685
700 1 $a Azevedo, António C. $3 3625744
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