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Journal articles on the topic 'Reinforced concrete frames'

Author: Grafiati
Published: 4 June 2021
Last updated: 26 July 2025

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1

Mo, Y. L., and S. F. Perng. "Behavior of Framed Shearwalls Made of Corrugated Steel under Lateral Load Reversals." Advances in Structural Engineering 3, no. 3 (2000): 255–62. http://dx.doi.org/10.1260/1369433001502184.

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Reinforced concrete buildings with shearwalls are very efficient to resist earthquake disturbances. In general, reinforced concrete frames are governed by flexure and low-rise shearwalls are governed by shear. If a structure includes both frames and shearwalls, it is generally governed by shearwalls. However, the ductility of ordinary reinforced concrete framed shearwalls is very limited. The experiments on framed shearwalls made of corrugated steel was recently reported. It was found that the ductility of framed shearwalls can be greatly improved if the thickness of the corrugated steel wall
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2

Wang, Qiu Wei, Qing Xuan Shi, and Peng Wang. "Theoretical Analysis Research on Story Drift Limit for Steel Rinforced Concrete Composite Structures." Applied Mechanics and Materials 275-277 (January 2013): 1123–26. http://dx.doi.org/10.4028/www.scientific.net/amm.275-277.1123.

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Steel reinforced concrete structures are organic combination of steel and concrete and the calculation formula of inter-story drift should be between them.The calculation formula of storey yield drift for reinforced concrete frames is obtained by adding the deformantion of beams, columns and joints, and the comparison shows that theoretical results agree with test data. Inter-story yield drift ratio for steel reinforced concrete (SRC) framees are proposed by using the same assumption and procedure, and story drift limit for SRC frames with certain assurance probability are proposed according t
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3

Choi, Chang Sik, and Hye Yeon Lee. "Rehabilitation of Reinforce Concrete Frames with Reinforced Concrete Infills." Key Engineering Materials 324-325 (November 2006): 635–38. http://dx.doi.org/10.4028/www.scientific.net/kem.324-325.635.

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The purpose of this study is to understand the fundamental resistance mechanism and the shear strength of the frame with the reinforced concrete infill wall by comparing analytical with experimental results. For this, one-story and one-bay four specimens were manufactured with variables; Lightly Reinforced Concrete Frame (LRCF), monolith placing Shear Wall (SW), CIP Infill Wall (CIW-1) and CIP Infill Wall reinforced with diagonal rebar (CIW-2). The addition of the RC infill wall was significantly improved the strength and the stiffness. Compared with specimen LRCF, ultimate strength and initia
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4

Mykytenko, Sergii, and . "Optimization Approach to Flat Slab Reinforced Concrete Building Frame Design." International Journal of Engineering & Technology 7, no. 4.8 (2018): 157–61. http://dx.doi.org/10.14419/ijet.v7i4.8.27232.

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In the article it is proposed to use optimization methods for the flat slab reinforced concrete frames design in order to reduce the reinforced steel and concrete costs during the construction. The use of flat slab reinforced concrete frames is a promising direction for providing citizens with affordable housing. It is proposed to implement rational design of flat slab reinforced concrete building frames using the methods of structural-parametric optimization and discrete-continuous mathematical programming. To solve the problem, conditional optimization methods are applied. The algorithm for
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5

Bao, Yanhong, Bowen Chen, and Lei Xu. "Analysis of Concrete-Filled Steel Tube Reinforced Concrete Column-Steel Reinforced Concrete Beam Plane Frame Structure Subjected to Fire." Advances in Civil Engineering 2021 (April 7, 2021): 1–12. http://dx.doi.org/10.1155/2021/6620030.

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The ABAQUS finite-element analysis platform was used to understand the mechanical behavior of concrete-filled steel tube reinforced concrete (CFSTRC) columns and steel reinforced concrete (SRC) beam plane frames under fire conditions. Thermal parameters and mechanical constitutive model of steel and concrete materials were reasonably selected, the correct boundary conditions were chosen, and a numerical model for the thermal mechanical coupling of CFSTRC columns and SRC beam plane frame structure was established. The finite-element model was verified from related experimental test results. The
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6

Bagnoli, Matteo, Ernesto Grande, and Gabriele Milani. "Reinforced Concrete Infilled Frames." Encyclopedia 2, no. 1 (2022): 473–85. http://dx.doi.org/10.3390/encyclopedia2010030.

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Masonry-Infilled Reinforced Concrete Frames are a very widespread structural typology all over the world for civil, strategic or productive uses. The damages due to these masonry panels can be life threatening to humans and can severely impact economic losses, as shown during past earthquakes. In fact, during a seismic event, most victims are caused by the collapse of buildings or due to nonstructural elements. The damage caused by an earthquake on nonstructural elements, i.e., those not belonging to the actual structural body of the building, is important for the purposes of a more general de
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7

Annamaneni, Krishna Kiran, Bhumika Vallabhbhai Dobariya, and Krasnikovs Andrejs. "CONCRETE, REINFORCED BY CARBON FIBRE COMPOSITE STRUCTURE, LOAD BEARING CAPACITY DURING CRACKING." ENVIRONMENT. TECHNOLOGIES. RESOURCES. Proceedings of the International Scientific and Practical Conference 2 (June 17, 2021): 232–37. http://dx.doi.org/10.17770/etr2021vol2.6655.

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Different authors conducted studies on fiber reinforced concretes (FRC) with carbon fibres of different lengths and some results showed that concrete mix with homogeneously distributed short fibres in their volume have good strength and ultra-strain compared to normal plain concrete mix. However, this study is focused more on 3-dimensional (3D) carbon fibre reinforced plastic (epoxy) CFRP composite thin rods frame used as a reinforcement in concrete which shows good increase in loadbearing and ductility. Were investigated concrete mixes with superplasticizer, nano-silica, quartz sand, fine nat
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8

Wang, Guang Yong, Xing Qiang Wang, Guang Wei Liu, Xiao Yang Liu, and Da Fang Ma. "Fire Performance of CFST, SRC and RC Frames." Applied Mechanics and Materials 99-100 (September 2011): 300–303. http://dx.doi.org/10.4028/www.scientific.net/amm.99-100.300.

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Failure mechanism and fire resistance comparison of concrete-filled steel tube (CFST) frames, reinforced concrete (RC) frames and steel reinforced concrete (SRC) fames are proposed in this paper when their bearing capacity and rigidity at room temperature are similar. The result shows that the failure mode and failure mechanism of the 3 frame structures are much different, and the SRC frames have the maximum fire resistance.
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9

Basim, Shahnaz, Farzad Hejazi, and Raizal Saifulnaz Bin Muhammad Rashid. "Embedded carbon fiber-reinforced polymer rod in reinforced concrete frame and ultra-high-performance concrete frame joints." International Journal of Advanced Structural Engineering 11, S1 (2019): 35–51. http://dx.doi.org/10.1007/s40091-019-00253-7.

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AbstractBeam–column joints play an important role in providing lateral stiffness and integrity of frames during dynamic loading such as earthquake. In the high humidity areas, during functioning of the building cracks occur, which leads to the corrosion of the reinforcement due to the environmental exposures. Therefore, one of the main failures mechanism of building during an earthquake is caused by easily yielding of corroded steel reinforcement, which leads to reduce functionality of the frame joints in transferring the loads. This study proposed a new design to reinforce the beam-column joi
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10

Sivanantham, Pradeep, Subramanian Senthil Selvan, Satyanarayanan Kachabeswara Srinivasan, Beulah Gnana Ananthi Gurupatham, and Krishanu Roy. "Influence of Infill on Reinforced Concrete Frame Resting on Slopes under Lateral Loading." Buildings 13, no. 2 (2023): 289. http://dx.doi.org/10.3390/buildings13020289.

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When compared to traditional reinforced concrete constructions on level surfaces, buildings situated on hills with slopes require additional consideration, particularly when seismic loading is an important factor. In hilly slopes, the ground-level columns of structures have different heights due to the nature of the slope, which leads to a short column effect. This paper represents an experimental and analytical investigation of the behaviour of reinforced concrete frames and their response in sloped regions of hills, in which global retrofitting techniques were adopted by providing solid infi
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11

Li, Jun-Tao, Zong-Ping Chen, Jin-Jun Xu, Cheng-Gui Jing, and Jian-Yang Xue. "Cyclic behavior of concrete-filled steel tubular column–reinforced concrete beam frames incorporating 100% recycled concrete aggregates." Advances in Structural Engineering 21, no. 12 (2018): 1802–14. http://dx.doi.org/10.1177/1369433218755521.

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Concrete-filled steel tubular structural members can be recognized as an effective mean to improve the mechanical behavior in terms of strength, stiffness, ductility, and energy dissipation for the initial recycle aggregate concrete deficiencies compared with natural aggregate concrete. A small-scale model of square concrete-filled steel tubular column–reinforced concrete beam frame realized employing 100% recycled coarse aggregates was tested under combined axial loads and cyclic reversed lateral flexure. The failure modes, plastic hinges sequence, hysteresis loop, skeleton curve, stiffness d
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12

Syed Kaleem Afrough Zaidi, Shobharam and Imran. "Parametric Seismic Study of Steel-Concrete Composite Frames." International Journal for Modern Trends in Science and Technology 06, no. 09 (2020): 24–30. http://dx.doi.org/10.46501/ijmtst060905.

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In India mostly multi story buildings are constructed with reinforced concrete,steel and recently the trend of construction is going toward composite structure which has beenstarted is in growing stage.Therefore the main aim of this research is to the parametric study on reinforced concrete, steel and steel- concrete composite frames.A 3D (G+9) stories building is situated in seismic zone IV and designed for same gravity loads. The reinforced beam and column were design according to the IS: 456-2000 and the composite fill sections were design according American standard AISC: 360-10.Further th
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13

Yuan, Li Li, Jian Min Wang, Neng Jun Wang, and Wen Ting Jiang. "Seismic Fragility Analysis of Reinforced Concrete Frames with Service Life." Advanced Materials Research 446-449 (January 2012): 2313–16. http://dx.doi.org/10.4028/www.scientific.net/amr.446-449.2313.

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An analytical method to obtain the seismic fragility curve of reinforced concrete frames with service life was proposed in this paper. Considering the variation of nonlinear mechanical characteristics of un-carbonated concrete with service life, the seismic fragility curve of frames was developed based on the interstorey drift corner in the weak storey of frame structures. According to the damage state definition of frames, each seismic fragility curve reflects the probability tendency of the defined damage state happening in frames with service life. It is helpful for the seismic performance
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14

Fomin, V., and I. Fomina. "CALCULATION OF REINFORCED -CONCRETE FRAME FOR STABILITY UNDER THE ACTION OF AGGRESSIVE ENVIRONMENT." Mechanics And Mathematical Methods 5, no. 1 (2023): 61–71. http://dx.doi.org/10.31650/2618-0650-2023-5-1-61-71.

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The stability of a double-span reinforced concrete frame depends on many factors, including the geometry of the frame, the characteristics of the materials, the loads it must withstand, and the operating conditions. One of the main factors that affect the stability of the frame is its shape. The optimal shape of the frame should be such that it can effectively distribute the loads it must withstand and minimize stresses in the materials. Another factor is the quality of the materials used to build the frame. Reinforced concrete is a durable material, but its strength can vary greatly depending
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15

Balling, Richard J., and Xiaoping Yao. "Optimization of Reinforced Concrete Frames." Journal of Structural Engineering 123, no. 2 (1997): 193–202. http://dx.doi.org/10.1061/(asce)0733-9445(1997)123:2(193).

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16

Wu, Qin, Huagang Zhang, Hongniao Chen, et al. "Seismic Behaviour of Cast-In-Situ Phosphogypsum-Reinforced Concrete Grid Frame Composite Walls." Advances in Civil Engineering 2019 (November 4, 2019): 1–17. http://dx.doi.org/10.1155/2019/1529137.

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This paper mainly studies the effect of cast-in-situ phosphogypsum on seismic behaviour of reinforced concrete grid frame. The mechanical behaviour of three reinforced concrete grid frames and four cast-in-situ phosphogypsum-reinforced concrete grid frame composite walls under low cycle alternating load was designed and tested. The test results show that the reinforced concrete grid frame has less bearing capacity and poor energy consumption. The addition of cast-in-situ phosphogypsum can effectively improve the seismic behaviour of the reinforced concrete grid frame. Compared with the reinfor
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17

Malyshkin, Aleksandr P., Andrei V. Esipov, and Mixail A. Esipov. "INCREASING THE RELIABILITY OF REINFORCED CONCRETE FRAMES OF MULTISTOREY BUILDINGS." Architecture, Construction, Transport, no. 2(108) (2024): 42–55. http://dx.doi.org/10.31660/2782-232x-2024-2-42-55.

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The aim of the numerical research was to develop a method to improve the reliability of multistorey buildings with monolithic reinforced concrete frames. The method was based on the analysis of the total area of possible slab destruction due to emergencies and failure of individual building elements located in different places in the plan and in height. To analyze the reliability of spatial reinforced concrete frames according to the principle of single failure of a separate load-bearing structure, we introduced the concept of failure area coefficient. It allowed us to estimate the failure eff
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18

Ali, Wajid, Syed Azmat Ali Shah, Khan Shahzada, Syed Muhammad Ali, and Sajjad Wali Khan. "Retrofitting of Infilled Frame in Reinforced Concrete Structure." Mehran University Research Journal of Engineering and Technology 39, no. 3 (2020): 475–88. http://dx.doi.org/10.22581/muet1982.2003.03.

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This research work aims to compare the seismic performance (in terms of lateral load strength, stiffness, ductility, response modification factor and performance levels) of full scale infilled frames before and after retrofitting. To evaluate the seismic performance, two infilled frames with door opening at different locations were constructed in the laboratory based on the current construction practices in Pakistan. In one infilled frame, door opening was at the center (Frame-1) while in other, door opening was at a side (Frame-2). After construction, both the specimens were tested with quasi
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19

Dan, Sorin, Corneliu Bob, Catalin Badea, et al. "Carbon Fiber Reinforced Polymers Used for Strengthening of Existing Reinforced Concrete Structures." Materiale Plastice 55, no. 4 (2018): 536–40. http://dx.doi.org/10.37358/mp.18.4.5069.

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The paper deals with some aspects regarding the behavior of modern and efficient solutions - for rehabilitation of reinforced concrete framed structures. The paper is devoted to experimental studies on carbon fiber reinforced polymer (CFRP) systems used as strengthening solution for reinforced concrete (RC) frames assumed as existing structures, which were tested as un-strengthened and as (CFRP) strengthened structures. Single span and single story frames (scale 1:2) were designed and detailed according to the Romanian design codes from 1970s under which seismic design was inadequate. The RC d
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20

Meshaly, Mohamed E., Maged A. Youssef, and Ahmed A. Elansary. "Seismic performance of ductile corrosion-free reinforced concrete frames." AIMS Materials Science 9, no. 5 (2022): 750–69. http://dx.doi.org/10.3934/matersci.2022046.

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<abstract> <p>Corrosion of steel bars is the main cause of the deterioration of reinforced concrete (RC) structures. To avoid this problem, steel rebars can be replaced with glass-fiber-reinforced-polymer (GFRP). However, the brittle behaviour of GFRP RC elements has limited their use in many applications. The use of shape memory alloy (SMA) and/or stainless steel (SS) rebars can solve this problem, because of their ductile behaviour and corrosion resistance. However, their high price is a major obstacle. To address issues of ductility, corrosion, and cost, this paper examines the
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21

Balik, Fatih Suleyman, Hasan Husnu Korkmaz, Mehmet Kamanli, Fatih Bahadir, Serra Zerrin Korkmaz, and Alptug Unal. "An Experimental Study on Reinforced Concrete Infilled Frames with Openings." Advanced Materials Research 747 (August 2013): 429–32. http://dx.doi.org/10.4028/www.scientific.net/amr.747.429.

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In the last decade, seven major earthquakes caused significant casualties and extensive structural failures. Thousands of RC buildings were severely damaged or collapsed in Turkey due to various deficiencies. This has initiated experimental studies on strengthening methods and intensive researches regarding the rehabilitation of reinforced concrete structures by introducing reinforced concrete infill walls were carried out. Strengthening of reinforced concrete frames by cast-in-place reinforced concrete infills is commonly used in practice. Many structures were also repaired using this techniq
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22

Tamrazyan, Ashot, Oleg Kabantsev, Tatiana Matseevich, and Vladimir Chernik. "Estimation of the Reduction Coefficient When Calculating the Seismic Resistance of a Reinforced Concrete Frame Building after a Fire." Buildings 14, no. 8 (2024): 2421. http://dx.doi.org/10.3390/buildings14082421.

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The consequences of destructive earthquakes show that the problem of analyzing the response of reinforced concrete frames under seismic loads after a fire is relevant. The calculation models used for individual elements and buildings as a whole must take into account the nonlinear properties of concrete and reinforcement. In the spectral calculation method, the nonlinear properties of materials are taken into account by introducing a reduction coefficient to the elastic spectrum. When determining the reduction coefficient, a common deformation criterion is based on the use of the plasticity co
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23

Liu, Yong Jun, Yang Yang Liu, Ran Bi, and Jing Hai Zhou. "Multi-Type Finite Elements Hybrid Model for Simulating Global Behavior of Reinforced Concrete Frames in Fires." Applied Mechanics and Materials 353-356 (August 2013): 2357–61. http://dx.doi.org/10.4028/www.scientific.net/amm.353-356.2357.

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In general, reinforced concrete frames have excellent fire resistance properties, but more and more concrete buildings collapsed in fires. The majority of past research work on the response of concrete building to fire has looked at the effects of fire upon individual structural members, and most commonly when subjected to heating from standard fire tests. At present, the fire behaviors of whole reinforced concrete frame are not adequately understood. There is a great need for development of models which consider the effects of fire on the whole structure under more realistic heating regimes.
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Lakusic, Stjepan. "Structural behavior of single bay two-story basalt fiber reinforced concrete frame." Journal of the Croatian Association of Civil Engineers 74, no. 12 (2023): 1085–92. http://dx.doi.org/10.14256/jce.3550.2022.

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This study focuses on structural design, which is a primary aspect of civil engineering. Investigating the behavior of reinforced concrete (RC) frame systems subjected to lateral loading and estimating the damage state of a structure still remain challenging tasks in civil engineering. Reinforced concrete is currently used in a majority of constructions and Conventional buildings remain vulnerable to seismic earthquakes. The aim of this research is to identify how well RC frames with basalt and steel fibers perform under cyclic loading. Steel and basalt fibers are chopped to a size of 2.5 cm.
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25

Arslan, Mehmet Emin, Ahmet Durmuş, and Metin Hüsem. "Cyclic behavior of GFRP strengthened infilled RC frames with low and normal strength concrete." Science and Engineering of Composite Materials 26, no. 1 (2019): 30–42. http://dx.doi.org/10.1515/secm-2017-0060.

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AbstractThis paper presents the experimental behavior of plane, non-strengthened and glass fiber reinforced polymer (GFRP) strengthened infilled reinforced concrete (RC) frames with low strength concrete (LSC) and normal strength concrete (NSC) under lateral reversed cyclic loading. For this purpose, eight full-scale, one-bay, one-storey plane and infilled (brick and aerated concrete blocks which are commonly used in RC construction) RC frames with LSC and NSC were produced and in-plane lateral loading tests were carried out. Test results indicate that infill walls considerably change the beha
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26

Elmalyh, Sanaa, Azzeddine Bouyahyaoui, and Taoufik Cherradi. "Seismic behaviour of reinforced concrete frame with infill panels." MATEC Web of Conferences 149 (2018): 02064. http://dx.doi.org/10.1051/matecconf/201814902064.

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Infill panels are usually used in structures; therefore, it is very important to study their behaviour and their influence on bare frames. Several models had been proposed to understand the effect of the infill panels on structure. The aim of this work is to identify the effect of the presence of infill panels on bare frames. The diagonal stiffness and shear compression failure of the structure, the nonlinear behaviour of the infilled frame under axial loading and the relation between the strength, ductility and stress-strain of different previous experiments will be presented. Experimental re
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27

BASAGA, H. B., M. E. KARTAL, and A. BAYRAKTAR. "RELIABILITY ANALYSIS OF STEEL BRACED REINFORCED CONCRETE FRAMES WITH SEMI-RIGID CONNECTIONS." International Journal of Structural Stability and Dynamics 12, no. 05 (2012): 1250037. http://dx.doi.org/10.1142/s021945541250037x.

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This paper presents the reliability analysis of the frame structures with semi-rigid connections. For this purpose, the SEMIFEM finite element program that is capable of dealing with the semi-rigid connections is coded in FORTRAN. Then, this program is connected to the reliability algorithm. The direct coupling method, which is a combination of the reliability method and finite element method, is utilized to determine the reliability indexes and probabilities of failure for the structure. The first order reliability method (FORM) is the one favored in the present reliability analysis. Two sets
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28

Filiatrault, André, Éric Lachapelle, and Patrick Lamontagne. "Seismic performance of ductile and nominally ductile reinforced concrete moment resisting frames. I. Experimental study." Canadian Journal of Civil Engineering 25, no. 2 (1998): 331–41. http://dx.doi.org/10.1139/l97-097.

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This paper is the first of two companion papers on the evaluation of the level of protection offered by ductile and nominally ductile reinforced concrete structures in Canada. In this paper, the seismic behaviour of two half-scale reinforced concrete moment resisting frames is investigated by shake table tests. In the second paper, the experimental results obtained from the shake table tests are compared with the results generated from inelastic time-history dynamic analyses. Each frame had two bays and two storeys with overall dimensions of 5 m in width and 3 m in height. The first structure
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29

Cheng, Kaihua, Li Cheng, Weixuan Jiao, Bowen Zhang, and Heng Zhao. "Influence of Low Yield Point Reinforcement and High Toughness Concrete on Seismic Performance of the Frame." Applied Sciences 12, no. 21 (2022): 10982. http://dx.doi.org/10.3390/app122110982.

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Currently, ordinary concrete and steel bars are mostly used in frames, but there is no systematic research on the impact of high toughness concrete and low yield point steel bars on the seismic performance of frames. The low-cycle repeated load test of three 1/3 ratio two-story and two-span cast-in-situ concrete frame specimens is carried out. The resilience model hysteresis characteristics, displacement ductility, and energy dissipation capacity are studied and analyzed by experiment. In addition, a comparative analysis is made between the ordinary frame and the frame with low yield point rei
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Wang, Neng Jun, Jian Min Wang, and Wen Ting Jiang. "Seismic Fragility Analysis of Reinforced Concrete Frames within Service Life." Applied Mechanics and Materials 166-169 (May 2012): 2391–94. http://dx.doi.org/10.4028/www.scientific.net/amm.166-169.2391.

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An analytical method was proposed to obtain the seismic fragility curve of reinforced concrete frames within the service life. Considering the variation law of nonlinear mechanical characteristics of un-carbonated concrete within service life, the seismic fragility curve of frames was developed based on the inter-storey drift corner in the weak storey of frame structures. According to the defined frame damage states, each seismic fragility curve reflects the probability change tendency of the defined damage state in frames within service life. A numerical example was modeled to illustrate the
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31

., M. Muthulakshmi, and M. Vinod Kumar . "Experimental Studies on Fibre Integrated Lightweight Concrete Frames Under Lateral Forces: A Review." Asian Journal of Engineering and Applied Technology 7, no. 1 (2018): 88–91. http://dx.doi.org/10.51983/ajeat-2018.7.1.874.

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Reinforced Concrete (RC) framed structure with masonry infill is the most common type of building in which, RC frames participate in resisting lateral forces. The poor performance of RC frame buildings under lateral forces is due to its heavy mass and rigid construction. Use of Lightweight concrete (LWC) is preferred since the dead load of concrete is enormous. A low density of the LWC, decreases the weight of the building thus reducing the effect of lateral forces. However, LWC having a lower modulus of elasticity, has a faster rate of crack development in RC members. So, fibres are employed
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32

Fang, Cong Qi, and Mei Ying Yi. "Seismic Performance of a Reinforced Lightweight Aggregate Concrete Frame." Key Engineering Materials 340-341 (June 2007): 1139–44. http://dx.doi.org/10.4028/www.scientific.net/kem.340-341.1139.

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It has been assumed that the use of lightweight aggregate concrete structures can largely reduce dead loads and thus reduces the earthquake effects without increasing the total cost. However, one of the primary concerns for these structures has been the plastic deformation capacity, ductility, and energy dissipation capacity. Tests were conducted for seismic performance of reinforced lightweight aggregate concrete (RLAC) frames that consisted of beams and columns of different cross-sections. Quasi-static reversed cyclic loads were performed on 1:2 scale RLAC model frames that had special cross
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33

Kolchunov, Vitaly I., and Violetta S. Moskovtseva. "Survivability of reinforced concrete frames of multi-storey buildings with complex stress elements." Structural Mechanics of Engineering Constructions and Buildings 18, no. 3 (2022): 195–203. http://dx.doi.org/10.22363/1815-5235-2022-18-3-195-203.

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Experimental determination of the parameters of the force resistance of reinforced concrete structures aimed at protecting them from emergency beyond design impacts is an important direction in improving the safety of buildings and structures. In this connection, the purpose of the study was an experimental assessment of the deformation parameters in the complexly stressed elements of reinforced concrete frames under special impact in the form of a sudden column removal. Experimental studies were carried out for two frames, one of which was tested when removing the middle column, the second -
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34

G. Aboelhassan, Mohamed. "Nonlinear Simulation of Reinforced Concrete Moment Resisting Frames under Earthquakes." International Journal of Science and Research (IJSR) 10, no. 3 (2021): 736–43. http://dx.doi.org/10.21275/sr21311214003.

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35

Khalilzadeh Vahidi, Ebrahim, and Reza Moradi. "Numerical Study of the Force Transfer Mechanism and Seismic Behavior of Masonry Infilled RC Frames with Windows Opening." Civil Engineering Journal 5, no. 1 (2019): 61. http://dx.doi.org/10.28991/cej-2019-03091225.

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Masonry infilled walls are widely used in reinforced concrete (RC) frams worldwide. However, infilled RC frame building failure is a common mode in destructive earthquakes. Further researcher is needed to bring insightful understandings into the behaviors of these structures. Therefore, this study investigates seismic parameters, ultimate tensile damage, and force transfer mechanisms in a reinforced concrete structure under in-plan load. For this purpose, the definitions and the relevant literature were reviewed. Then, an analytical software supporting an infill model was selected and describe
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36

Ro, Kyong Min, Min Sook Kim, and Young Hak Lee. "Experimental Study on Seismic Retrofitting of Reinforced Concrete Frames Using Welded Concrete-Filled Steel Tubes." Applied Sciences 10, no. 20 (2020): 7061. http://dx.doi.org/10.3390/app10207061.

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Buildings constructed with non-seismic details are at risk of damage and collapse when an earthquake occurs due to a lack of strength, stiffness, and ductility. For reinforced concrete (RC) moment-resisting frames, seismic retrofitting methods that can enhance strength or ductility should be applied. However, such strategies have many disadvantages related to constructability, serviceability, securing integrity, and cost. In this paper, a welded concrete-filled steel tube (WCFST) system was examined in order to resolve the problems of the existing seismic retrofitting methods for RC moment-res
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37

Štoller, Jiří, and Petr Dvořák. "Reinforced Concrete Frames under Distant Blast." Key Engineering Materials 755 (September 2017): 229–35. http://dx.doi.org/10.4028/www.scientific.net/kem.755.229.

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The article deals with the field tests of UHPFRC frames loaded by distant detonation of 50 kg of TNT and also by direct explosion of 120mm mortar shell. The paper analyses the results obtained from ultrasound diagnostics that was made before and after the explosion.
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Aga, Abobakr A. A., and Fathelrahman M. Adam. "Design Optimization of Reinforced Concrete Frames." Open Journal of Civil Engineering 05, no. 01 (2015): 74–83. http://dx.doi.org/10.4236/ojce.2015.51008.

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39

Ranganathan, R., and A. G. Deshpande. "Reliability Analysis of Reinforced Concrete Frames." Journal of Structural Engineering 113, no. 6 (1987): 1315–28. http://dx.doi.org/10.1061/(asce)0733-9445(1987)113:6(1315).

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Jain, Sudhir K., and Rahul Navin. "Seismic Overstrength in Reinforced Concrete Frames." Journal of Structural Engineering 121, no. 3 (1995): 580–85. http://dx.doi.org/10.1061/(asce)0733-9445(1995)121:3(580).

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41

Moretti, Marina L., Theocharis Papatheocharis, and Philip C. Perdikaris. "Design of Reinforced Concrete Infilled Frames." Journal of Structural Engineering 140, no. 9 (2014): 04014062. http://dx.doi.org/10.1061/(asce)st.1943-541x.0001042.

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42

Mo, Yi‐Lung. "Moment redistribution in reinforced concrete frames." Journal of the Chinese Institute of Engineers 9, no. 2 (1986): 105–16. http://dx.doi.org/10.1080/02533839.1986.9676869.

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Kusonkhum, Wuttipong, Phongphan Tankasem, and Anuchat Leeanansaksiri. "Earthquake Resistance of Masonry-Infilled RC Frames Strengthened with Expanded Metal." Civil Engineering Journal 10, no. 12 (2024): 4069–82. https://doi.org/10.28991/cej-2024-010-12-017.

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This research aimed to investigate the compressive strength of lightweight concrete walls before and after reinforcement using the expanded metal reinforced with ferrocement jacketing method and to evaluate the performance level of lightweight concrete walls in reinforced concrete rigid frames. Masonry infill walls were tested using seven samples of lightweight concrete with an average size of 600×600 mm under axial force. The study results were found that in the part of control, non-plastered lightweight concrete wall (CWL) bore an average compressive strength of 2.52 MPa, and plastered light
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Javed, Ali, Chaitanya Krishna, Khawaja Ali, Muhammad Faheem Ud Din Afzal, Armin Mehrabi, and Kimiro Meguro. "Micro-Scale Experimental Approach for the Seismic Performance Evaluation of RC Frames with Improper Lap Splices." Infrastructures 8, no. 3 (2023): 56. http://dx.doi.org/10.3390/infrastructures8030056.

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Reinforced concrete (RC) frames are an integral part of modern construction as they resist both gravity and lateral loads in beams and columns. However, the construction methodologies of RC frames are vulnerable to non-engineering defects, particularly in developing countries. The most common non-engineering defect occurs due to improper lap splice, which can compromise the structural integrity. This research demonstrates an easy, low-cost, and verifiable experimental technique incorporating micro-concrete to evaluate the seismic performance of a completely engineered RC frame with the defect
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Akbar, Junaid, Naveed Ahmad, and Bashir Alam. "SHAKING TABLE TESTS ON HAUNCH RETROFITTED REINFORCED CONCRETE FRAMES." NED University Journal of Research 3, Special Issue on First SACEE'19 (2019): 233–40. http://dx.doi.org/10.35453/nedjr-stmech-2019-0034.

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Shaking table tests were performed on five one-third reduced scale two storey reinforced concrete (RC) moment resisting frames having construction defects (using low strength concrete without confining ties in beam-column joints, larger tie spacing, and reduced longitudinal and transverse reinforcements). The deficient frames were observed to have severe joint damageability, resulting in joint panel cover spalling and core concrete crushing. Haunch retrofitting technique was adopted to upgrade the seismic behaviour of deficient RC frames. Additional four deficient RC frames were built and retr
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Nguyễn, Hiệp Đồng. "Tính toán chuyển vị ngang của khung phẳng bê tông cốt thép có kể đến phi tuyến vật liệu bằng phần mềm Lira-Sapr 2017". Vietnam Institute for Building Science and Technology 2022, vi.vol4 (2022): 3–10. http://dx.doi.org/10.59382/j-ibst.2022.vi.vol4-1.

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The horizontal load greatly affects the horizontal displacement of the top of the reinforced concrete frame, especially for the frame with small stiffness. In high-rise buildings, it is necessary to check whether the horizontal displacement of the top of the building and the story drift is satisfied or not. This paper introduces the investigation of the influence of lateral loads on the horizontal displacement of the top of the reinforced concrete flat frame with regard to material nonlinearities using Lira-Sapr software. Therefrom, comment on the difference between the analysis of reinforced
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Kovacevic, Dusan. "FEM model for reinforced concrete frames loaded by seismic forces." Theoretical and Applied Mechanics 32, no. 4 (2005): 283–317. http://dx.doi.org/10.2298/tam0504283k.

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Objective of the presented research is the formulation of one enough sophisticated and, for engineering practice, convenient finite element method (FEM) based numerical model for reinforced concrete frames loaded by seismic actions. For modeling of concrete and steel nonlinear behavior uniaxial constitutive rules are applied. The proposal for inclusion the frame joint deterioration, as well as, interaction of shear and flexural forces (inclined cracks effects), in this model, is given additionally. The results of few numerical tests (linear/nonlinear analysis of reinforced concrete frame loade
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Wu, Li Ming, Xiao Liang Luo, and Zi Jian Wang. "The Structure of the Performance that Resist the Static Wind on the Reinforced of Steel Structure." Applied Mechanics and Materials 193-194 (August 2012): 1109–12. http://dx.doi.org/10.4028/www.scientific.net/amm.193-194.1109.

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Taking a 5-story reinforced concrete frame structure on the transformed 3-layer steel frames for an example, use finite element software ANSYS to reformation as a whole building model under static wind load changes for comparative analysis of internal force and displacement of the corresponding node. Analysis results show that in the transformation of steel on reinforced concrete frame structure, should fully take into account the structural stiffness change on construction of the overall effect of wind resistance, so that the transformation of the steel concrete frame structure more reasonabl
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Li, Yeou-Fong, Yan-Jie Lin, Cheng-Wei Chen, and Chih-Tsung Lin. "Theoretical and experimental studies on repaired and rehabilitated reinforced concrete frames." Canadian Journal of Civil Engineering 34, no. 8 (2007): 923–33. http://dx.doi.org/10.1139/l07-012.

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In this paper, an effective repair and rehabilitation working method is proposed for moderately damaged reinforced concrete (RC) building structures after major earthquakes. Three RC frames with nil, half-height, and full-height brick walls are designed and tested at the National Center for Research on Earthquake Engineering (NCREE), Taiwan. After the columns of these nonductile RC frames are damaged, steel wire cables with nonshrinkage mortar are used to repair the damaged columns, and carbon fiber reinforced polymers (CFRP) are used to rehabilitate the damaged columns. A stress–strain relati
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Mo, Xuan, Zhijun Yuan, Yigang Jia, Liangjian Lu, Naiwen Ke, and Xianglan Wei. "Experimental Study on Seismic Performance of Composite Shear Wall with Horizontal Connection and Frame." Sustainability 16, no. 13 (2024): 5552. http://dx.doi.org/10.3390/su16135552.

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Prefabricated concrete shear-wall structures are a primary form of prefabricated concrete construction. In this paper, the seismic performance of precast shear walls with frames is studied by experimental methods. The failure characteristics, hysteretic performance, energy dissipation capacity, stiffness degradation, and ductility of the shear wall are mainly analyzed. The results indicate that incorporating various frames into concrete shear walls can significantly enhance the traditional single seismic defense line. The maximum differences between the positive and negative initial stiffnesse
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