Journal of Structural Engineering and Geo-Techniques
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Seismic Assessment of a Multi-Span RC Bridge with Randomly Scoured Piers
(Civil Engineering & Construction Research Center (CCRC), QIAU, 2023-10-01)A multi-hazard investigation approach is a vital requirement for a realistic risk assessment of infrastructures. The combined impact of scouring and earthquake can result in a distinctive effect on the performance of a ...
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Numerical Parametric study of Geosynthetic-Gabion walls under different surcharge loads
(Civil Engineering & Construction Research Center (CCRC), QIAU, 2023-10-01)The finite element procedures are extremely useful in gaining insights into the behavior of reinforced soil retaining walls. In this study, a validated finite element procedure was used with Abaqus for conducting a series ...
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The Necessity of Integrating Soil Treatment Systems in BIM from Design to Final Construction
(Civil Engineering & Construction Research Center (CCRC), QIAU, 2023-10-01)In projects that involve surcharge and prefabricated vertical drains (PVDs) systems for the treatment of weak underlying layers, embankment failures, tension cracks, and differential settlements, surficial heaves, and ...
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Numerical Investigation of the Limit Equilibrium Method in Tunnel Stability Using Finite Element (FEM)
(Civil Engineering & Construction Research Center (CCRC), QIAU, 2022-07-01)The upper bound solution of the factor of safety is obtained by optimization calculation. To evaluate the feasibility of the method proposed in this paper, it was compared with the safety factor calculated by the marginal ...
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An Economical and Behavioral Comparison of Steel Special, Intermediate, and Ordinary Moment Resisting Frames
(Civil Engineering & Construction Research Center (CCRC), QIAU, 2022-07-01)The Iranian Standard of Seismic Design of Structures No. 2800, IBC 2018, ASCE 7-16 and AISC 341-16 suggest that a response factor, R (also referred to as the R-factor), should be used as a measure to account for some ...
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Seismic Fragility Analysis of RC Continuous Girder Bridges Using Artificial Neural Network
(Civil Engineering & Construction Research Center (CCRC), QIAU, 2022-07-01)This research aims to develop seismic fragility curves for small- and medium-sized concrete bridges. Fragility curves were generated as a function of the probability of reaching or exceeding a specific limit state in terms ...
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Effects of Structure Height on Seismic Demands of Under-designed RC Frames Considering Soil-Structure Interaction
(Civil Engineering & Construction Research Center (CCRC), QIAU, 2022-07-01)Existing under-designed structures, which have been built due to the past insufficient constructional knowledge, are an important issue and anticipation of their dynamic responses to seismic events may be a cumbersome task. ...
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Compressive Strength and Ductility of Concrete Wrapped by CFRP
(Civil Engineering & Construction Research Center (CCRC), QIAU, 2021-07-01)Existing reinforced concrete (RC) columns may be structurally deficient due to variety of reasons such as improper transverse reinforcement, flaws in structural design, insufficient load carrying capacity, etc. Fiber ...
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Examining the Mixing Plan and the Results of the Plastic Concrete
(Civil Engineering & Construction Research Center (CCRC), QIAU, 2021-07-01)In order to control seepage from the dam, various methods are used to reduce water seepage. One of the methods of reducing the permeability of the water according to its material is building cut-off walls and filling them ...
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Evaluation of the Collapse Fragility Curve of the Moment Resisting Steel Frames with Rigid and Semi-rigid Connections under Near-Field Earthquake Records
(Civil Engineering & Construction Research Center (CCRC), QIAU, 2021-07-01)One of the major impacts of near-field earthquakes is a concentration of rupture on the limited number of stories and structural elements beyond the expected. Therefore, predicting the distribution of quantitative parameters ...
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Stress Analysis of the Scoliosis Disorder.
(Civil Engineering & Construction Research Center (CCRC), QIAU, 2021-06-01)Scoliosis is a spine irregular deviation, which known an idiopathic ailment among children and adolescents. Indeed, applyingloads on the human spine and the capacity of the vertebral column should be tretated as random ...
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Seismic Hazard Analysis of Golsar district in Rasht Metropolis.
(Civil Engineering & Construction Research Center (CCRC), QIAU, 2020-12-01)Golsar is located in north-west of Rasht the capital city of Guilan province. This region, according to standards 2800, is identified among the regions with relatively high risk of earthquake. A set of historical and ...
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Investigation of the Progressive Collapse Potential in Steel Buildings with Composite Floor System.
(Civil Engineering & Construction Research Center (CCRC), QIAU, 2020-12-01)Abnormal loads due to natural events, implementation errors and some other issues can lead to occurrence of progressive collapse in structures. Most of the past researches consist of 2- Dimensional (2D) models of steel ...
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3D Analysis of Improved Soft Ground with a Group of Floating of Stone Columns Laid on the Appropriate Bed
(Civil Engineering & Construction Research Center (CCRC), QIAU, 2021-06-01)One of the proper methods to improve the soft and loose ground is the use of stone columns. High shear strength and low compressibility materials substituted for soft and loose soils with low shear strength and increased ...
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Mechanical Properties of Low Strength Concrete Incorporating Carbon Nanotubes
(Civil Engineering & Construction Research Center (CCRC), QIAU, 2021-06-01)Nowadays, due to the increasing population and the expansion of urbanization, and consequently the need for high-rise and multi-storey buildings that , the safety and resistance of the load bearing members of the structures ...
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Experimental Investigation of Mechanical Behavior of Improved Marly Soil Using Nano Calcium Carbonate
(Civil Engineering & Construction Research Center (CCRC), QIAU, 2021-06-01)One of the problematic soil types that is found in wide areas in the world is marl soils. This soil type is more sensitive to erosion and requires modifications in pavement construction processes. In this research, mixed ...
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Evaluation of Nonlinear Dynamic Response of Rigid and Semi-Rigid Steel Frames under Far-Field Earthquake Records
(Civil Engineering & Construction Research Center (CCRC), QIAU, 2021-06-01)The purpose of this research was to evaluate the nonlinear dynamic response of rigid and semi-rigid steel frames under Far-Fault Earthquake Records. Accordingly, the fragility curve of the moment frames with rigid and ...
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Stress Analysis of the Scoliosis Disorder
(Civil Engineering & Construction Research Center (CCRC), QIAU, 2021-06-01)Scoliosis is a spine irregular deviation, which known an idiopathic ailment among children and adolescents. Indeed, applying loads on the human spine and the capacity of the vertebral column should be tretated as random ...
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A Case study of Performance Improvement of Femur Prosthesis
(Civil Engineering & Construction Research Center (CCRC), QIAU, 2020-12-01)Nowadays, the placement of artificial prostheses in human skeleton, etc. is common due to different reasons such as fractures or deficiencies. Prostheses are structures that assist the performance of organs by reconstruction ...
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Evaluation and Comparison of LEED, BREEAM, and the 19th issue of National Building Regulations of Iran (NBRI) in Perspective of Sustainability by (MCDM) TOPSIS Method
(Civil Engineering & Construction Research Center (CCRC), QIAU, 2020-12-01)In this research, the features of LEED, BREEAM, and NBRI also, their principles, are reviewed, evaluated, and compared from the aspects of the sustainability. The compliance items of standards with the principles of ...
