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Integrity of materials and structures Views: 400 Downloads: 310 Vol. 19, No. 74 (2025) August 16, 2025 pp. 115-128

An experimental study on the rehabilitation performance of CFRP-strengthened bubble deck slabs: effects of void size and preloading levels

Abdulkhalik Abdulridha, Muntadher Bader

This study examines the rehabilitation performance of reinforced concrete bubble deck slabs (with 50 mm and 60 mm voids) strengthened with externally bonded CFRP sheets. Nine specimens were tested: eight bubble slabs (grouped by void size…

10.3221/IGF-ESIS.74.08Copy the DOI link

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Miscellanea Views: 1,030 Downloads: 585 Vol. 11, No. 42 (2017) September 29, 2017 pp. Pages 93-104

Structural integrity assessment and rehabilitating of Hercilio Luz bridge

Hermes Carvalho, Ricardo Hallal Fakury, Paula Moura Leite Vilela

The Hercílio Luz suspension bridge, built in 1926, has been out of service since 1991 due to high corrosion levels and structural element impairment. A complete rehabilitation project was developed which included the replacement of the…

10.3221/IGF-ESIS.42.11Copy the DOI link

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Miscellanea Views: 600 Downloads: 568 Vol. 17, No. 66 (2023) September 27, 2023 pp. 297-310

The behavior of reinforced lightweight concrete beams with initial cracks

Mustafa Q. Hasa, Abdulkhalik Abdulridha

This research examines the performance of reinforced lightweight concrete beams subjected to several degrees of damage (50%, 60%, 70%, and 100%). It can use a sheet made of Carbon Fiber Reinforced Polymer (CFRP) to reinforce. The Full…

10.3221/IGF-ESIS.66.18Copy the DOI link

Details: The behavior of reinforced lightweight concrete beams with initial cracks PDF Visual Abstract

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Reliability and Life Extension of Components Views: 924 Downloads: 568 Vol. 15, No. 56 (2021) March 28, 2021 pp. 115-122

Repair and rehabilitation of corroded HDPE100 pipe using a new hybrid composite

Abdelmalek Regad, Djebara Benzerga, Habib Berrekia, Abdelkader Haddi, Nourredine Chekhar

The good management of drinking water begins with a supply network, with a low rate of leakage. Currently, the pipes used in the water transport system are mainly made of polymeric materials, such as HDPE. The corrosion degradation of this…

10.3221/IGF-ESIS.56.09Copy the DOI link

Details: Repair and rehabilitation of corroded HDPE100 pipe using a new hybrid composite PDF Visual Abstract

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SI: Structural Integrity and fatigue mechanisms: applications and recent trends Views: 556 Downloads: 544 Vol. 18, No. 69 (2024) May 11, 2024 pp. 181-191

Enhancing the flexural performance of lightweight concrete slabs with CFRP Sheets: an experimental analysis

Mustafa Khadim, Abdulkhalik Abdulridha

The flexural behavior of lightweight concrete two-way slabs is investigated in this work, with a focus on the strengthening or repairing method of externally attaching carbon fiber-reinforced polymer (CFRP) sheets. Five 1000 mm by 1000 mm…

10.3221/IGF-ESIS.69.13Copy the DOI link

Details: Enhancing the flexural performance of lightweight concrete slabs with CFRP Sheets: an experimental analysis PDF Visual Abstract

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Structural Integrity and Durability of Structures Views: 841 Downloads: 467 Vol. 14, No. 54 (2020) September 23, 2020 pp. 66-87

Vibration control in buildings under seismic excitation using optimized tuned mass dampers

Francisco da Silva Brandão, Letícia Fleck Fadel Miguel

Earthquakes can cause vibration problems in many types of structures, generating large displacements. The interstory drift is a design criterion very used in seismic analysis and the structural control is an alternative to reduce these…

10.3221/IGF-ESIS.54.05Copy the DOI link

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Analytical, Numerical and Physical Models Views: 685 Downloads: 659 Vol. 18, No. 67 (2024) December 17, 2023 pp. 137-152

Optimization of damage repair with piezoelectric actuators using the Taguchi method

Abdul Aabid Shaikh

Over the last two decades, piezoelectric actuators have emerged as a promising solution for structural repair. In this work, initially the stress intensity factor (SIF) estimation using the finite element (FE) approach at crack tips in…

10.3221/IGF-ESIS.67.10Copy the DOI link

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Miscellanea Views: 766 Downloads: 515 Vol. 13, No. 49 (2019) June 23, 2019 pp. 643-654

Behavior and damage of a pipe in the presence of a corrosion defect depth of 10% of its thickness and highlighting the weaknesses of the ASME / B31G method

Habib Berrekia, D. Benzerga, A. Haddi

The company DRC (pipe repair Department) located within the SONATRACH Company of oil and gas in Algeria, which is responsible for the repair of pipelines for the transport of gas or crude petroleum, will rehabilitate old pipes that have…

10.3221/IGF-ESIS.49.58Copy the DOI link

Details: Behavior and damage of a pipe in the presence of a corrosion defect depth of 10% of its thickness and highlighting the weaknesses of the ASME / B31G method PDF Visual Abstract

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SI: Design of Civil Environmental Engineering Views: 733 Downloads: 349 Vol. 13, No. 48 (2019) March 13, 2019 pp. 706-739

Parametric analysis on external dissipative link system for seismic protection of low rise r.c. buildings

Mario Lucio Puppio, Martina Ferrini

The seismic rehabilitation of existing r.c. and masonry buildings is a topical issue in Civil Engineering. A useful technique consists in the introduction of external bracing system. This kind of intervention can be improved throughout the…

10.3221/IGF-ESIS.48.66Copy the DOI link

Details: Parametric analysis on external dissipative link system for seismic protection of low rise r.c. buildings PDF Visual Abstract

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Miscellanea Views: 1,158 Downloads: 720 Vol. 17, No. 64 (2023) March 21, 2023 pp. 186-203

The influence of notch connection location on the short-term behaviour of timber-concrete composite beams, modelling of TCC beams and research for optimal locations, a numerical study

Hedmessaoud Zinelaabidine, Boudaoud Zeineddine, Ferhoune Noureddine

Timber-concrete composite beams, known as TCC beams, have been widely used in rehabilitation or in new buildings where several types of connections are commonly inserted to ensure partial composite action between the timber joist and the…

10.3221/IGF-ESIS.64.12Copy the DOI link

Details: The influence of notch connection location on the short-term behaviour of timber-concrete composite beams, modelling of TCC beams and research for optimal locations, a numerical study PDF Visual Abstract

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Miscellanea Views: 577 Downloads: 443 Vol. 13, No. 48 (2019) February 27, 2019 pp. 222-229

Cohesive fracture in composite systems: experimental setup and first results

Valentino Paolo Berardi, Michele Perrella, Gabriele Cricrì

Composite systems are widely used in many engineering applications for new structures and strengthening of existing ones. Within the structural rehabilitation of civil constructions, the plating technique of beams with Fiber Reinforced…

10.3221/IGF-ESIS.48.23Copy the DOI link

Details: Cohesive fracture in composite systems: experimental setup and first results PDF Visual Abstract

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Damage mechanics Views: 574 Downloads: 273 Vol. 19, No. 74 (2025) July 8, 2025 pp. 31-41

Optimizing different damaged reinforced concrete corbel characteristics utilizing CFRP sheets

Salah Aborgheef, Abdulkhalik Jabbar Abdulridha

Concrete corbels are short cantilever constructions that may lose their strength over time because of loads that happen over and over again. As an external bonding method for reinforcement, carbon fiber-reinforced polymer (CFRP) strips are…

10.3221/IGF-ESIS.74.03Copy the DOI link

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SI: Developments in the fracture and fatigue assessment of materials Views: 791 Downloads: 541 Vol. 12, No. 46 (2018) September 23, 2018 pp. 102-112

Optimization of the geometrical parameters of bonded composite wrap for repairing cracked pipelines

sidi Mohamed Medjdoub Nesreddine, Belabbes Bachir Bouadjra, Miloudi Abdelkader

In this study the finite element method is used to analyze the performances of bonded composite wrap repair of cracked steel pipelines. Parametric analysis was performed in order to highlight the effects of the geometrical properties on…

10.3221/IGF-ESIS.46.11Copy the DOI link

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Structural Integrity and Durability of Structures Views: 728 Downloads: 554 Vol. 15, No. 57 (2021) June 22, 2021 pp. 50-62

Optimization of High-Performance-Concrete properties containing fine recycled aggregates using mixture design modeling

Tounsia Boudina, Dalila Benamara, Rebih Zaitri

This investigation means to predict and modeling the fresh and hardened concrete behavior containing fine aggregates from concrete and brick wastes, for different recycled aggregates substitution rates. To succeed this, the design of…

10.3221/IGF-ESIS.57.05Copy the DOI link

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Integrity of materials and structures Views: 1,210 Downloads: 473 Vol. 18, No. 69 (2024) April 25, 2024 pp. 89-105

Methodology to minimize the dynamic response of tall buildings under wind load controlled through semi-active magneto-rheological dampers

Francisco da Silva Brandão, Alex Koch de Almeida, Letícia Fleck Fadel Miguel

This paper proposes a methodology to evaluate and optimize the dynamic response of tall buildings under wind loading, controlled through semi-active Magneto-Rheological dampers (MR dampers). For this, a tall building, modeled as a 2D…

10.3221/IGF-ESIS.69.07Copy the DOI link

Details: Methodology to minimize the dynamic response of tall buildings under wind load controlled through semi-active magneto-rheological dampers PDF Visual Abstract

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