Investigating the effect of crack length and angle on the behavior of concrete weights: a case study of Gotvand deviation regulation dam

Seismic behavior in concrete weights due to the need to increase the safety of dams during earthquakes has been very much considered in recent years. Most concrete dams are exposed to cracking damage. These cracks are created by various factors such as operation, concrete treatment, volumetric chang...

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Autores principales:	zeynab derikvand, Hassan Kiamanesh, Najaf Hedayat
Formato:	article
Lenguaje:	FA
Publicado:	Iranian Society of Structrual Engineering (ISSE) 2020
Materias:	crack length crack angle gotvand adjustment dam fracture mechanics cracks in concrete dams Bridge engineering TG1-470 Building construction TH1-9745
Acceso en línea:	https://doaj.org/article/e1ef6a4882304d05a6c40365f0457808
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spelling	oai:doaj.org-article:e1ef6a4882304d05a6c40365f04578082021-11-08T15:53:54ZInvestigating the effect of crack length and angle on the behavior of concrete weights: a case study of Gotvand deviation regulation dam2476-39772538-261610.22065/jsce.2019.145317.1663https://doaj.org/article/e1ef6a4882304d05a6c40365f04578082020-07-01T00:00:00Zhttps://www.jsce.ir/article_81348_443da734a9eea7ded3d05c57d251195a.pdfhttps://doaj.org/toc/2476-3977https://doaj.org/toc/2538-2616Seismic behavior in concrete weights due to the need to increase the safety of dams during earthquakes has been very much considered in recent years. Most concrete dams are exposed to cracking damage. These cracks are created by various factors such as operation, concrete treatment, volumetric changes in concrete mass, loads, etc., and the possible expansion of these cracks may reduce the efficiency, failure and instability of such dams. The use of fracture mechanics as a new method for estimating the instability and durability of concrete dams has been recommended in world-renowned journals and papers. Due to the sensitivity of the subject of crack-erosion in concrete dams, as well as considering that in the past the behavior of the Gotvand dam was not investigated due to trapping, this study examined the behavior of the Gotvand Regulatory Dam due to trapping Has been. Abkhus software is used to model this research. Parameters that are considered as variables include the length of the variable for the cracks and the crack angle. In the case of the effect of the crack angle, the results indicate that the worst case for the dam section is to leave a negative angle. The horizontal displacement value for the -30 degree angle is 0.031 m and is 0.025 m for cracking at an angle of +30 degrees. Also, the increase in the length of the crack increased the amount of displacement, tension and rebound response in the dam. Maximum reciprocating photo in a model with a length of 200 cm, with a crack angle of +45, is 4% higher than the model with a gap of 30 cm and equal to 1.78E+8 of Newton.zeynab derikvandHassan KiamaneshNajaf HedayatIranian Society of Structrual Engineering (ISSE)articlecrack lengthcrack anglegotvand adjustment damfracture mechanicscracks in concrete damsBridge engineeringTG1-470Building constructionTH1-9745FAJournal of Structural and Construction Engineering, Vol 7, Iss شماره ویژه 2 (2020)
institution	DOAJ
collection	DOAJ
language	FA
topic	crack length crack angle gotvand adjustment dam fracture mechanics cracks in concrete dams Bridge engineering TG1-470 Building construction TH1-9745
spellingShingle	crack length crack angle gotvand adjustment dam fracture mechanics cracks in concrete dams Bridge engineering TG1-470 Building construction TH1-9745 zeynab derikvand Hassan Kiamanesh Najaf Hedayat Investigating the effect of crack length and angle on the behavior of concrete weights: a case study of Gotvand deviation regulation dam
description	Seismic behavior in concrete weights due to the need to increase the safety of dams during earthquakes has been very much considered in recent years. Most concrete dams are exposed to cracking damage. These cracks are created by various factors such as operation, concrete treatment, volumetric changes in concrete mass, loads, etc., and the possible expansion of these cracks may reduce the efficiency, failure and instability of such dams. The use of fracture mechanics as a new method for estimating the instability and durability of concrete dams has been recommended in world-renowned journals and papers. Due to the sensitivity of the subject of crack-erosion in concrete dams, as well as considering that in the past the behavior of the Gotvand dam was not investigated due to trapping, this study examined the behavior of the Gotvand Regulatory Dam due to trapping Has been. Abkhus software is used to model this research. Parameters that are considered as variables include the length of the variable for the cracks and the crack angle. In the case of the effect of the crack angle, the results indicate that the worst case for the dam section is to leave a negative angle. The horizontal displacement value for the -30 degree angle is 0.031 m and is 0.025 m for cracking at an angle of +30 degrees. Also, the increase in the length of the crack increased the amount of displacement, tension and rebound response in the dam. Maximum reciprocating photo in a model with a length of 200 cm, with a crack angle of +45, is 4% higher than the model with a gap of 30 cm and equal to 1.78E+8 of Newton.
format	article
author	zeynab derikvand Hassan Kiamanesh Najaf Hedayat
author_facet	zeynab derikvand Hassan Kiamanesh Najaf Hedayat
author_sort	zeynab derikvand
title	Investigating the effect of crack length and angle on the behavior of concrete weights: a case study of Gotvand deviation regulation dam
title_short	Investigating the effect of crack length and angle on the behavior of concrete weights: a case study of Gotvand deviation regulation dam
title_full	Investigating the effect of crack length and angle on the behavior of concrete weights: a case study of Gotvand deviation regulation dam
title_fullStr	Investigating the effect of crack length and angle on the behavior of concrete weights: a case study of Gotvand deviation regulation dam
title_full_unstemmed	Investigating the effect of crack length and angle on the behavior of concrete weights: a case study of Gotvand deviation regulation dam
title_sort	investigating the effect of crack length and angle on the behavior of concrete weights: a case study of gotvand deviation regulation dam
publisher	Iranian Society of Structrual Engineering (ISSE)
publishDate	2020
url	https://doaj.org/article/e1ef6a4882304d05a6c40365f0457808
work_keys_str_mv	AT zeynabderikvand investigatingtheeffectofcracklengthandangleonthebehaviorofconcreteweightsacasestudyofgotvanddeviationregulationdam AT hassankiamanesh investigatingtheeffectofcracklengthandangleonthebehaviorofconcreteweightsacasestudyofgotvanddeviationregulationdam AT najafhedayat investigatingtheeffectofcracklengthandangleonthebehaviorofconcreteweightsacasestudyofgotvanddeviationregulationdam
_version_	1718441618262982656

Investigating the effect of crack length and angle on the behavior of concrete weights: a case study of Gotvand deviation regulation dam

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