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Journal articles on the topic 'Cracking moment'

Author: Grafiati

Published: 5 June 2025

Last updated: 1 August 2025

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1

Phan, Duy Nguyen. "A Method for Calculating Cracking Moment of FRP Reinforced Concrete Beam." Key Engineering Materials 896 (August 10, 2021): 141–47. http://dx.doi.org/10.4028/www.scientific.net/kem.896.141.

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This paper presents an analytical method for calculating the cracking moment of concrete beams reinforced with fiber reinforced polymer (FRP) bars, which considers the non-linear behavior of concrete in the tension zone and the contribution of FRP reinforcement. Theoretical cracking moments obtained by the proposed method were verified with the experimental results and the theoretical results calculated according to ACI 440.1R-15. The comparison results show good agreement between theoretical and experimental data. A parametric study on the effect of longitudinal FRP reinforcement ratio and el

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2

Wu, Zhifeng, Zhiyong Li, Jian Fan, Hongyou Cao, Bo Huang, and Hui Liu. "Up-Floating Destruction and Reinforcement Measures of Damaged Basement Based on the Bending Moment and Deformation Analysis." Buildings 13, no. 8 (2023): 1918. http://dx.doi.org/10.3390/buildings13081918.

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Based on the up-floating incident of the basement in a high-rise residential building, the finite element (FE) model of the up-floating destruction region is established to investigate the damage mechanism. The stress states and the deformations of the basement structure are obtained under complex loads including water buoyancy forces, vehicle loads and construction loads. To assess the extent of damage, a novel damage indicator is defined based on two levels: the cracking bending moments and the yield bending moment. The first-level cracking bending moment, second-level cracking bending momen

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3

Wen, Jiahao, Feng Liu, Fei Yang, et al. "Flexural Behaviour of Non-Autoclaved Pre-Stressed High-Strength Concrete Pipe Piles with Different Rubber Contents." Buildings 15, no. 1 (2024): 12. https://doi.org/10.3390/buildings15010012.

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Non-autoclaved pre-stressed high-strength rubber-modified concrete (NA-PHRC) pipe piles were developed to address the high energy consumption and brittleness of existing pre-stressed high-strength concrete (PHC) pipe piles. The comparative flexural test results showed that the deformation capacity of NA-PHRC pipe piles improved, which was correlated with the rubber content. However, both the cracking moment and the ultimate moment decreased. When the rubber content is 5% and 10%, the cracking moment decreases by 3.85% and 7.69%, respectively, while the ultimate moment decreases by 3.75% and 7.

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4

Chaudhary, Sandeep, Umesh Pendharkar, and Ashok Kumar Nagpal. "Bending Moment Prediction for Continuous Composite Beams by Neural Networks." Advances in Structural Engineering 10, no. 4 (2007): 439–54. http://dx.doi.org/10.1260/136943307783239390.

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A methodology has been developed for the continuous composite beams to predict the inelastic bending moments (considering the cracking of concrete) from the elastic moments (neglecting the cracking) by using the neural networks. The proposed neural network models predict the inelastic moment ratios (ratio of inelastic moment to elastic moment) at the supports of a span. Nine significant structural parameters have been identified governing the inelastic moment ratios. Six neural networks have been presented to cover the entire practical range of the beams. The proposed neural networks have been

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5

Al-Salim, Nabeel H., Muna H. Jaber, Rafea F. Hassan, Nisreen S. Mohammed, and Husam H. Hussein. "Experimental Investigation of Compound Effect of Flexural and Torsion on Fiber-Reinforced Concrete Beams." Buildings 13, no. 5 (2023): 1347. http://dx.doi.org/10.3390/buildings13051347.

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Fiber-reinforced concrete is widely acknowledged for its ability to resist cracking effectively and limit its propagation. By preventing cracks from spreading, the addition of fiber composites to concrete can enhance its extensibility and tensile strength, not only at the initial point of cracking but also at its maximum capacity. Additionally, the fibers in fiber-reinforced concrete are capable of binding the matrix, even when exposed to significant cracking. However, there is limited information available about the behavior of fiber-reinforced concrete under a bending moment combined with to

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6

Valivonis, Juozas, and Tomas Skuturna. "Cracking and strength of reinforced concrete structures in flexure strengthened with carbon fibre laminates." JOURNAL OF CIVIL ENGINEERING AND MANAGEMENT 13, no. 4 (2007): 317–23. http://dx.doi.org/10.3846/jcem.2007.7695.

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The article presents the analysis of the cracking moment and the strength of beams reinforced with external carbon fibre. Experimental research of beams strengthened in this way has been carried out. Three different methods of anchoring external reinforcement were applied to strengthen the beams. The influence of anchorage on the cracking moment and the strength of the beams has been defined. Design methods for defining the cracking moment and the strength have been presented. The design procedure for defining the cracking moment evaluates the curvilinear stress diagrams of concrete under tens

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7

Valivonis, Juozas, and Tomas Skuturna. "CRACKING AND STRENGTH OF REINFORCED CONCRETE STRUCTURES IN FLEXURE STRENGTHENED WITH CARBON FIBRE LAMINATES." JOURNAL OF CIVIL ENGINEERING AND MANAGEMENT 13, no. 4 (2007): 317–23. http://dx.doi.org/10.3846/13923730.2007.9636452.

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The article presents the analysis of the cracking moment and the strength of beams reinforced with external carbon fibre. Experimental research of beams strengthened in this way has been carried out. Three different methods of anchoring external reinforcement were applied to strengthen the beams. The influence of anchorage on the cracking moment and the strength of the beams has been defined. Design methods for defining the cracking moment and the strength have been presented. The design procedure for defining the cracking moment evaluates the curvilinear stress diagrams of concrete under tens

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8

Masmoudi, R., B. Benmokrane, and O. Chaallal. "Cracking behaviour of concrete beams reinforced with fiber reinforced plastic rebars." Canadian Journal of Civil Engineering 23, no. 6 (1996): 1172–79. http://dx.doi.org/10.1139/l96-926.

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This paper presents the results of an experimental investigation on the cracking behaviour of concrete beams reinforced with fiber reinforced plastic rebars. The effects of reinforcement ratio on the cracking pattern, crack spacing, cracking moment, and crack width are investigated. The test results indicate that the reinforcement ratio has no meaningful effect on the cracking moment, which can be calculated as recommended by the ACI code. Also, the use of the equations adopted by ACI and the European codes for the prediction of crack width of conventionally reinforced concrete members is inve

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9

Morgunov, Mikhail V., and Anzhelika A. Lyudkevich. "Investigation of Cracking in Reinforced Concrete Structures by Means of Standardized Deformation Models." Reinforced concrete structures 3, no. 3 (2023): 20–31. http://dx.doi.org/10.22227/2949-1622.2023.3.20-31.

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In this study, a detailed analysis of the use of standardized deformation models is carried out to calculate the design characteristics of reinforced concrete elements, such as crack resistance. For theoretical verification of the values of the moment of cracking, calculation methods based on the use of a nonlinear deformation model are used.A theoretical study of cracking moment using a non-linear deformation model shows that the application of a two-line diagram of concrete deformation allows to obtain the most accurate values of cracking moment.

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10

Ozturk, Mehdi, and Guray Arslan. "Flexural Behavior of GBFS-Based Geopolymer-Reinforced Concrete Beams." Buildings 13, no. 1 (2023): 141. http://dx.doi.org/10.3390/buildings13010141.

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Geopolymer concrete (GC) is an emerging alternative construction material due to it being eco-friendly in production with considerably low carbon emissions. Despite being an alternative material, the structural behavior of GC is a rarely studied subject in the literature. The studies concerning the mechanical behavior of structural members made from GC have established the foundations of its practical usability. The current structural codes are exclusively for ordinary Portland cement concrete (OPCC), and the utilization of these for GC constitutes an open question. In this study, 12 GC beams

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11

Kim, Yoo Jae, Tom Harmon, and Byoung Hee You. "High Performance Precast Wall Panels with Shear Transfer Provided by Carbon Fiber Grid." Applied Mechanics and Materials 84-85 (August 2011): 613–17. http://dx.doi.org/10.4028/www.scientific.net/amm.84-85.613.

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Composite insulated wall panels using carbon fiber grid in combination with expanded polystyrene (EPS) insulation have been produced for over 5 years. The carbon fiber grid and the EPS act together to provide shear transfer between the wythes of the composite panel. A design procedure has been developed, based on testing at Washington University and North Carolina State University. The approach discussed here is to ensure that the flexural strength, the cracking moment, and the deflection are all within acceptable limits. This paper first discusses the testing that has been performed to develo

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12

Lou, Tiejiong, Zhangxiang Li, and Miao Pang. "Moment Redistribution in Continuous Externally CFRP Prestressed Beams with Steel and FRP Rebars." Polymers 13, no. 8 (2021): 1181. http://dx.doi.org/10.3390/polym13081181.

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This paper assesses the impact of adopting carbon- or glass-fiber-reinforced polymer (CFRP or GFRP) instead of steel rebars on the redistribution of moments in prestressed concrete beams (PCBs) with external CFRP tendons. A numerical program is introduced, and numerical simulations are performed on two-span continuous beams with steel, CFRP or GFRP rebars of various areas, i.e., Ar2 = 360–3560 mm2, and Ar1/Ar2 = 1.5, where Ar1 and Ar2 are areas of tensile rebars over the positive and negative moment zones, respectively. The results show the moment redistribution is contributed by concrete crac

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13

Cohn, M. Z., and Paolo Riva. "Yield Safety, Cracking Control, and Moment Redistribution." Journal of Structural Engineering 118, no. 2 (1992): 447–68. http://dx.doi.org/10.1061/(asce)0733-9445(1992)118:2(447).

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14

Kartal, Saruhan, Ilker Kalkan, Ahmet Beycioglu, and Magdalena Dobiszewska. "Load-Deflection Behavior of Over- and Under-Reinforced Concrete Beams with Hybrid FRP-Steel Reinforcements." Materials 14, no. 18 (2021): 5341. http://dx.doi.org/10.3390/ma14185341.

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The present study pertains to the load-deflection behavior and cracking moments of concrete beams with hybrid FRP-steel reinforcement. Under and over-reinforced hybrid beams were tested for failure along with reference beams with only steel or FRP reinforcement. The first-cracking moments of the beams were estimated analytically by using different uncracked moments of the inertia and modulus of rupture definitions. The uncracked moment of inertia definitions include the gross and uncracked transformed moments. The adopted modulus definitions are comprised of the experimental values from tests

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15

Alhoubi, Yazan, Zin Mahaini, and Farid Abed. "The Flexural Performance of BFRP-Reinforced UHPC Beams Compared to Steel and GFRP-Reinforced Beams." Sustainability 14, no. 22 (2022): 15139. http://dx.doi.org/10.3390/su142215139.

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The performance of ultra-high-performance concrete (UHPC) reinforced with BFRP bars was investigated in this research study. To achieve the objectives of this study, a total of six UHPC beams were cast and tested for flexure, under displacement-controlled loading conditions. The performance of BFRP-reinforced beams was compared against GFRP and steel reinforced beams. All beams had a cross-section of 185 mm × 250 mm, and a total length of 2200 mm. The experimental results were presented and discussed in terms of cracking moments, cracking patterns, failure modes, flexural capacity, midspan def

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16

Vysochan, N. K., and Y. A. Yakymenko. "PRACTICAL ANALYSIS METHOD OF REINFORCED CONCRETE FRAME STRUCTURES WITH CONSIDERATION OF CREEP AND CRACKING IN CONCRETE." Modern construction and architecture, no. 11 (March 26, 2025): 33–42. https://doi.org/10.31650/2786-6696-2025-11-33-42.

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The article is devoted to enhancing the practical method of reinforced concrete frame structure analysis with consideration of the creep and cracking processes in concrete. The proposed method is based on the usage of a linearized diagram of a bending moment and curvature relationship for reinforced concrete bending elements. The formulas for evaluation of the bending stiffness of reinforced concrete elements with consideration of creep and cracking of concrete are given. The proposed formulas are based on the linear creep theory that assumes a linear relationship between stresses and elastic

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17

Cao, Wenlong, Jianqing Bu, Cunbao Zhao, Xueyan Wang, Liping Zhang, and Jiren Zhang. "Stiffness Calculation for Negative Moment Region of Steel-Concrete Composite Beams considering the Influence of Cracking and Interface Slip." Advances in Materials Science and Engineering 2022 (August 28, 2022): 1–12. http://dx.doi.org/10.1155/2022/5171416.

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Concrete cracking and interface slip decrease the bending stiffness of steel-concrete composite beams (SCCBs) in the negative moment region. To evaluate this decrease in the stiffness of SCCBs, a static differential equation is used to derive analytical expressions of interface slip and deflection. Based on the static load test results for SCCBs, the influence of concrete cracking and interface slip on the stiffness is analyzed. A linear stiffness reduction method is proposed for calculating the stiffness of SCCBs in the negative moment region after the concrete undergoes cracking. The propose

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18

Chen, Yicong, Jialiang Zhou, Baochun Chen, Jiazhan Su, and Camillo Nuti. "Flexural Behavior of the Composite Girder of a Prestressed Segmental UHPC Channel and a Reinforced Conventional Concrete Deck." Buildings 13, no. 12 (2023): 3132. http://dx.doi.org/10.3390/buildings13123132.

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The present study was conducted to clarify the flexural behaviors of the Composite Girders of a Prestressed Segmental Ultra-High-Performance Concrete (UHPC) Channel and a Reinforced Conventional Concrete Deck (PSUC-RCCD). The girders can be used as bridge superstructures with the advantages of structural efficiency, cost-effectiveness, and easy construction. A total of five specimens were tested. Three of them were PSUC-RCCD specimens, including two semi-segmental girders (the channel beams were composed of five segments with dry-joints) and one integral girder (the channel beams were integral

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19

Zhu, Qian, and Jie Liu. "Calculation Method for the Cracking Resistance and Bearing Performance of SFRAC Beams." Materials 16, no. 13 (2023): 4769. http://dx.doi.org/10.3390/ma16134769.

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The utilization of recycled aggregate (RCA) in preparing recycled concrete (RAC) is an effective measure to solve the increase in construction waste. Furthermore, applying RAC to flexural members is a viable practice. The addition of steel fiber to RAC to prepare steel fiber recycled concrete (SFRAC) solves the performance deterioration caused by the recycled aggregate, so it is necessary to study the effects of the recycled aggregate replacement rate and fiber–volume ratio on the crack resistance and bending performance of SFRAC beams. In this study, 13 beams were designed and manufactured, w

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20

Yang, Zhijun, Qing Fang, Bu Lv, Can Mei, and Xudong Fu. "An Investigation into the Effect of Cracking on the Response of Drilled and Postgrouted Concrete Pipe Pile under Lateral Loading." Advances in Materials Science and Engineering 2020 (January 23, 2020): 1–12. http://dx.doi.org/10.1155/2020/5373958.

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The cracks are likely to initiate on a lateral loaded pile and would cause greater deflection at the pile head. However, there is a lack of thorough investigation into the effect of cracking on the response of the lateral loaded pile. In this article, a full-scale field test was carried out to investigate the behavior of Drilled and Postgrouted Concrete Pipe Pile under lateral loads. A novel analysis method for the lateral loaded pile, which can take the cracking effects into consideration, was proposed, and the validity was verified by the test results. With the proposed method, the cracking

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21

Irawan, C., and H. D. Armono. "Numerical Study of the of Proposed Hexaloc Concrete Armor Units under Static Loading." IOP Conference Series: Earth and Environmental Science 1250, no. 1 (2023): 012005. http://dx.doi.org/10.1088/1755-1315/1250/1/012005.

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Abstract Concrete armor units are commonly used to protect shorelines and rubble mound coastal structures. This paper presents the numerical modeling test results for the proposed Hexaloc armor unit under static load. The model shows some value of tensile stress exceeds the critical stress. It was found that the cracking occurred at the top surface of the leg. In the design, the moment due to hydrodynamic and impact loads is not permitted to exceed the cracking moment.

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22

Huang, Yan-San, Fu-Lan Hsu, Chin-Mei Lee, and Jia-Yang Juang. "Failure mechanism of hollow tree trunks due to cross-sectional flattening." Royal Society Open Science 4, no. 4 (2017): 160972. http://dx.doi.org/10.1098/rsos.160972.

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Failure of hollow trees in urban areas is a worldwide concern, and it can be caused by different mechanisms, i.e. bending stresses or flattening-related failures. Here we derive a new analytical expression for predicting the bending moment for tangential cracking, and compare the breaking moment of various failure modes, including Brazier buckling, tangential cracking, shear failure and conventional bending failure, as a function of t / R ratio, where t and R are the trunk wall thickness and trunk radius, respectively, of a hollow tree. We use Taiwan red cypress as an example and show that its

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23

Jalonen, Kimmo, Joonas Tulonen, and Anssi Laaksonen. "Influence of Cracking on Effects of Restrained Deformations in a Post-tensioned Concrete Bridge." Nordic Concrete Research 59, no. 1 (2018): 95–110. http://dx.doi.org/10.2478/ncr-2018-0017.

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Abstract Imposed and restrained deformations cause stresses in continuous concrete bridges, and in analyses of the superstructure these stresses are usually reduced to some degree due to creep and cracking of concrete. This study examines cracking and redistribution of stresses in a bridge superstructure under the loads and load combinations used in the original bridge design. The subject of this study is a three-span post-tensioned continuous concrete cantilever beam bridge. The bridge was analysed with non-linear calculation utilising the general force method and moment-curvature relationshi

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24

Wang, Wenping, Yanqi Liu, and Kangming Chen. "Bending Performance of a Prestressed Concrete Composite Girder Bridge with Steel Truss Webs." Applied Sciences 14, no. 11 (2024): 4822. http://dx.doi.org/10.3390/app14114822.

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An experiment was conducted on a prestressed concrete (PC) composite girder bridge with steel truss webs to investigate its flexural performance. The mechanical characteristics and failure modes of a PC composite girder bridge with steel truss webs was clarified. Finite element (FE) analysis was carried out, and the influence of the girder height-to-span ratio and eccentric loading effect on the flexural performance of a composite beam bridge with a steel truss web was discussed. The method for calculating the cracking bending moment, the bending moment at the rebar yield stage, and the ultima

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25

Jiang, Yuchen, Libo Liu, Xiaolei Wang, Run Liu, and Haibo Yang. "Study on Bending Performance of High-Ductility Composite Slab Floor with Composite Ribs." Materials 18, no. 3 (2025): 658. https://doi.org/10.3390/ma18030658.

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In order to solve the problems of high production cost and complex control of the inverted arch of an unsupported prestressed concrete composite slab, a flange truss high-ductility concrete composite slab floor is proposed to change the structure and pouring material to meet the requirements of no support during construction. The crack distribution and bending performance of the flange truss high-ductile concrete composite slab floor (CRHDCS) under different structures are clarified through the test and numerical analysis of four different rib plate structure floors. According to the analysis

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26

Zhao, Shu Li, and Chao Sun. "Experimental Study of the Recycled Aggregate Concrete Beam Flexural Performance." Applied Mechanics and Materials 368-370 (August 2013): 1074–79. http://dx.doi.org/10.4028/www.scientific.net/amm.368-370.1074.

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Using the same water to binder ratio and the same ratio of reinforcement, the three recycled aggregate concrete are made in different replacement ratio of recycled coarse aggregate which is 0%, 30%, 75% and 100%. Through experimental the beams flexural performance is researched, the right sections bearing deformation performance and damage distinction. The result shows that the damage model and the damage process are basically the same; the right sections mean strain is uniform to plane section assumption. With the increase in the replacement ratio of recycled coarse aggregate, the value of re

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27

Song, Can, Feng Li, and Hua Jing Zhao. "Moment-Curvature Relationship Analysis of High-Strength Concrete Shear Wall." Applied Mechanics and Materials 368-370 (August 2013): 1539–46. http://dx.doi.org/10.4028/www.scientific.net/amm.368-370.1539.

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In order to improve the lateral deformation capacity of the high strength concrete shear wall, partially confined end-zones are usually set in the both ends of the shear wall cross-section. According to the experimental results of 15 high strength concrete shear walls with flexural (flexural-shear) failure, the moment - curvature skeleton curve of this shear wall cross-section is simplified as four linear through cracking point, yield point, peak point and ultimate point. Based on the plane-section assumption, the bending moment and curvature expressions at cracking, yield, peak and ultimate s

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28

Lin, Pengzhen, Weiyi Yan, Hongwei Zhao, and Junjun Ma. "Theoretical and Experimental Investigation on the Flexural Behaviour of Prestressed NC-UHPC Composite Beams." Materials 16, no. 2 (2023): 879. http://dx.doi.org/10.3390/ma16020879.

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To investigate the normal section strength and cracking bending moment of normal concrete–ultra-high-performance concrete (NC-UHPC) composite beams, calculation formulas were established considering the tensile strength of UHPC based on the current railway bridge design code. Using the railway T-beam as a template, prestressed NC-UHPC composite beams with different NC layer heights were built. A static bending test was performed, the pressure of the steel strand and the deflection and strain of the beam were measured, and the evolution of cracks in each beam was observed. The calculation formu

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29

Tamrakar, Shivank. "Comparative Evaluation of Crack Width for Reinforced Concrete Bridge Deck." International Journal for Research in Applied Science and Engineering Technology 9, no. 10 (2021): 59–67. http://dx.doi.org/10.22214/ijraset.2021.38389.

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Abstract: Cracking in reinforced concrete bridge decks is a massively concern in the India. Many concrete bridge decks, inobservant to the age of construction, have shown different levels and patterns of cracking. Not only does cracking of bridge decks weaken the bridge infrastructure, but also allows the inflow of corrosive agents into the reinforcement. In this study, the crack width evaluation of RC bridge deck of span of 5 m. and 9 m. is based on equations given by IRS Concrete Bridge Code 1997 for different cases like- the effect of depth variation, reinforcement diameter, clear cover, va

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30

Tamrakar, Shivank. "Comparative Evaluation of Crack Width for Reinforced Concrete Bridge Deck." International Journal for Research in Applied Science and Engineering Technology 9, no. 10 (2021): 59–67. http://dx.doi.org/10.22214/ijraset.2021.38389.

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Abstract: Cracking in reinforced concrete bridge decks is a massively concern in the India. Many concrete bridge decks, inobservant to the age of construction, have shown different levels and patterns of cracking. Not only does cracking of bridge decks weaken the bridge infrastructure, but also allows the inflow of corrosive agents into the reinforcement. In this study, the crack width evaluation of RC bridge deck of span of 5 m. and 9 m. is based on equations given by IRS Concrete Bridge Code 1997 for different cases like- the effect of depth variation, reinforcement diameter, clear cover, va

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31

Salauyou, Dzmitry, and Piotr Knyziak. "Evaluation of the influence of linear stress concentrators in reinforced concrete elements using the postulates of fracture mechanics." Acta Scientiarum Polonorum. Architectura 22 (July 24, 2023): 30–37. http://dx.doi.org/10.22630/aspa.2023.22.4.

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The article is devoted to the study of linear stress concentrators in reinforced concrete, which, unlike randomly located stress concentrators from a large and medium-sized concrete aggregate (granite or gravel crushed stone), can have a strategic impact on the formation of cracks in a reinforced concrete element in the presence of a sufficient level of tensile stresses. The study is one of the theoretical parts of a significant research program on the cracking of reinforced concrete elements in tension and bending. The description of the process of cracking with the help of fracture mechanics

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Liu, Xinhua, Jianren Zhang, Zihan Cheng, and Meng Ye. "Experimental and Numerical Studies on the Negative Flexural Behavior of Steel-UHPC Composite Beams." Advances in Civil Engineering 2021 (January 31, 2021): 1–15. http://dx.doi.org/10.1155/2021/8828175.

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The cracking of concrete in the negative moment region for a composite beam subjected to a negative bending moment reduces the beam’s strength and stiffness. To improve the cracking performance of composite beams, this paper presents an experimental investigation on applying ultrahigh-performance concrete (UHPC) instead of conventional concrete. Three steel-UHPC composite beams with different forms of joints were designed and tested through a unique rotation angle loading method using a spring displacement control testing setup. The crack distribution, rotation versus crack width, load versus

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33

Słowik, Marta. "The analysis of load carrying capacity and cracking of slightly reinforced concrete members in bending." Budownictwo i Architektura 2, no. 1 (2008): 065–78. http://dx.doi.org/10.35784/bud-arch.2312.

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Slightly reinforced concrete members are the members made by concrete with reinforcement less than minimum given in codes for reinforced concrete ones. Plain concrete and slightly reinforced concrete members in bending are treated in the same way during the dimensioning and the influence of longitudinal reinforcement on the load carrying capacity is not taken into account. The mechanism of work and crack formation in slightly reinforced concrete members is not completely recognized. The author’s own research program was made. The experiment was aimed at the determination of cracking moment and

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34

Yu, Fang, Min Wang, Dali Yao, and Weichuang Yang. "Study on Flexural Behavior of Self-Compacting Concrete Beams with Recycled Aggregates." Buildings 12, no. 7 (2022): 881. http://dx.doi.org/10.3390/buildings12070881.

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Currently, numerous studies have focused on the differences in the properties of self-compacting concrete with recycled aggregate (RASCC) and normal concrete (NC), while less attention has been paid to the application of RASCC in reinforced concrete structures. In this paper, four-point bending loading tests were performed on seven RASCC beams and four NC beams, considering the parameter of reinforcement ratio, and the flexural properties were analyzed and compared. The results showed that the failure form, moment–deflection curves, and flexural capacity of the RASCC beams were similar to thos

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35

Gong, Yafeng, Jianxing Yang, Xin He, Xiang Lyu, and Hanbing Liu. "Structural Design Calculation of Basalt Fiber Polymer-Modified RPC Beams Subjected to Four-Point Bending." Polymers 13, no. 19 (2021): 3261. http://dx.doi.org/10.3390/polym13193261.

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In this paper, a basalt fiber surface was treated with coupling agent KH-550 and hydrochloric acid, and the basalt fiber polymer-modified active powder concrete (RPC) material was prepared. There are significant differences in material composition and properties between basalt fiber polymer-modified RPC and ordinary concrete, and the structural design calculation (cracking moment and normal section bending bearing capacity) of an ordinary reinforced concrete beam is no longer applicable. Thus, mechanical parameters such as displacement and strain of reinforcement basalt fiber polymer-modified

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36

Yang, Jian Yu, Zhen Lin Mo, Wei Jun Yang, and Wei Tan. "The Research of Anti-Cracking Performance of Ceramists Concrete Beams." Applied Mechanics and Materials 405-408 (September 2013): 2655–59. http://dx.doi.org/10.4028/www.scientific.net/amm.405-408.2655.

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This paper displays the crack load failure pattern and influences on crack load of reinforced ceramists concrete beams in different reinforcement ratio, concrete cover thickness and diameter of rebar through the experimental study of bending anti-cracking property of 8 reinforced ceramists concrete beams, and proposes the method of calculation cracking moment of normal section for ceramists concrete beam.

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Nasrudin, Muhammad, and Siswoyo Siswoyo. "PERENCANAAN ULANG DINDING PENAHAN TANAH UNDERPASS MAYJEND SUNGKONO SURABAYA." axial : jurnal rekayasa dan manajemen konstruksi 7, no. 3 (2019): 227. http://dx.doi.org/10.30742/axial.v7i3.779.

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Abstak. Pemerintah Kota Surabaya akan merencanakan persimpangan tidak sebidang yang berada dibawahjalan lain seperti underpass. Pembangunan underpass akan dibangun sepanjang 437 meter, terdiri dari empatlajur dua arah, dengan kedalaman underpass sampai sedalam -6 meter di bawah muka tanah. Pada tengahbentang underpass terdapat konstruksi overpass yang cukup besar, sehingga timbul masalah dalam halpenentuan sistem dinding penahan tanah apa yang cocok untuk menahan keseluruhan konstruksi tersebut.Perencanaan ini akan membahas bagaimana perencanaan dinding penahan tanah, Perencanaan dindingpenaha

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Pei, Huiteng, Shang Zha, Tingying Wu, Baidian Li, Gangyi Zhan, and Wenqin Deng. "Experimental Study on Flexural Behaviour of Prefabricated Steel–Concrete Composite I-Beams Under Negative Bending Moment: Comparative Study." Materials 18, no. 2 (2025): 450. https://doi.org/10.3390/ma18020450.

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The issues of numerous steel beam components and the tendency for deck cracking under negative bending moment zones have long been challenges faced by traditional composite I-beams with flat steel webs. This study introduces an optimized approach by modifying the structural design and material selection, specifically substituting flat steel webs with corrugated steel webs and using ultra-high-performance concrete for the deck in the negative bending moment zone. Three sets of model tests were conducted to compare and investigate the influence of deck material and web forms on the bending and c

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Long, Guanxu, Ruigen Zhou, Haiying Ma, Gongfeng Xin, Seyyedbehrad Emadi, and Xuefei Shi. "Experimental and Numerical Study on UHPC–RC Decks within Hogging Moment Region." Applied Sciences 12, no. 22 (2022): 11446. http://dx.doi.org/10.3390/app122211446.

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Steel–concrete composite continuous bridges can take full advantage of concrete and steel, but in regions with hogging moments, cracking of the concrete deck is a big issue affecting the durability of bridges. In order to solve cracking problems within the hogging moment region, this study proposes a composite deck method using ultra-high-performance concrete (UHPC) and regular concrete (RC). In this way, the layers of UHPC and RC are composited to take advantage of the high tensile strength of UHPC materials to improve the anti-crack performance of the concrete deck within the hogging moment

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Park, Young Mi, Sang Whan Han, and Ja Ock Cho. "Stiffness Reduction for Flat Plate Systems due to Cracking." Key Engineering Materials 348-349 (September 2007): 781–84. http://dx.doi.org/10.4028/www.scientific.net/kem.348-349.781.

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The purpose of this study is to propose a stiffness reduction factor for flat plate systems under lateral loads. According to current design provisions, slab stiffness under lateral loads should account for stiffness reduction due to the effects of cracks. Several researchers have conducted for evaluating the stiffness reduction in flat plate slab systems under lateral loads. However, no research is found for establishing strength reduction factor with respect to the level of applied moment. This study attempted to propose equations for calculating stiffness reduction factor with respect to th

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Zhang, Kexin, Xiaoqing Zhu, Houji Zhang, Yibo Wang, Guanhua Zhang, and Dongsheng Guo. "Finite element simulation of the UHPC reinforced negative moment zone of continuous concrete box girder after simple support (CCBGSS)." Stavební obzor - Civil Engineering Journal 33, no. 4 (2024): 530–47. https://doi.org/10.14311/cej.2024.04.0036.

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In order to explore the improvement effect of UHPC on the mechanical property and crack resistance in the negative moment zone of the continuous concrete box girder after simple support (CCBGSS), based on the experimental research, the finite element software was used to simulate and analyze the parameters of the reinforced beam. The variation trend of the load-deflection curve obtained from numerical simulation and experimental measurements was basically consistent. The minimum error value of the cracking load was 2.0%, and the maximum was 8.4%. The minimum error value of the ultimate load wa

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Bulzak, Tomasz, Zbigniew Pater, Janusz Tomczak, and Łukasz Wójcik. "A rotary compression test for determining the critical value of the Cockcroft–Latham criterion for R260 steel." International Journal of Damage Mechanics 29, no. 6 (2019): 874–86. http://dx.doi.org/10.1177/1056789519887527.

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A method for determining the critical value of the Cockcroft–Latham damage criterion is presented using the example of R260 railway steel. The determinations were performed using a rotary compression test specially developed for that purpose. The main object of the proposed test was to provide the best possible representation of the state of stress generated by cross-wedge rolling. The rotary compression test was performed in two stages: in the first stage, experimental tests were conducted to establish the moment of cracking of the specimen, and in the second stage, numerical modeling was use

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Chen, Sheng Ping, and Gang Tian. "Experimental Research on the Mechanical Property of Hybrid Fiber Reinforced Ferrocement." Advanced Materials Research 639-640 (January 2013): 329–33. http://dx.doi.org/10.4028/www.scientific.net/amr.639-640.329.

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The tensile and bending behaviour of steel-polypropylene hybrid fiber reinforced ferrocement were investigated in this paper through direct tensile test and four-point bending test. Different volume fractions of steel fiber, polypropylene fiber and steel wire mesh were considered. A total of 42 tensile and bending specimens were tested. Experimental results showed that, compared to plain ferrocement, the cracking tensile strength and the ultimate tensile strength of steel-polypropylene hybrid fiber reinforced ferrocement with 0.5% volume fractions of steel fiber and 1.0% volume fractions of po

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Jin, Hui, and Qing Chun. "Calculation method for the service life of Chinese historical reinforced concrete buildings." MATEC Web of Conferences 319 (2020): 06006. http://dx.doi.org/10.1051/matecconf/202031906006.

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Almost all of the existed studies on the corrosion of rebars were based on round-section rebars. However, the square-section steel rebars were widely used in China from 1912 to 1949, and there was no specific calculation model or durability assessment method for this type of historical buildings. In this study, based on the original configuration design of this kind of structures, the experiments of the corrosion-induced cover cracking of a certain number of reinforced concrete members with square-section rebars were carried out with the electrochemical acceleration method. The average rust de

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Jiang, Hui, Shengcheng Wang, Yaqun Ren, Yan Li, Shaolei Song, and Yanting Qin. "Safety Analysis of Rebar Corrosion Depth at the Moment of Corrosion-Induced Cover Cracking." Sustainability 15, no. 3 (2023): 2491. http://dx.doi.org/10.3390/su15032491.

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Concrete cover cracking induced by reinforcement corrosion is an important indication of the durability limit state for reinforced concrete (RC) structures and can be used to determine the structural service life. The process of rebar corrosion from the beginning of rusting to the occurrence of cover cracking due to corrosion expansion can be divided into two phases: the phase of the free expansion of the corrosion product and the phase of cover cracking. Based on the assumption of the uniform corrosion of the reinforcement, one model for predicting the reinforcement corrosion depth from corro

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Bai, Wen Hui, and Bin Xiang Sun. "Experimental Study on Flexural Behavior of Recycled Coarse Aggregate Concrete Beam." Applied Mechanics and Materials 29-32 (August 2010): 543–48. http://dx.doi.org/10.4028/www.scientific.net/amm.29-32.543.

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In order to investigate flexural behavior of simply-supported beam using recycled coarse aggregate concrete, the difference of the component normal section stress distortion performance and failure characteristic between the recycled concrete beam and the normal concrete beam is researched. The approaches of testing the flexural behavior of 6 recycled course aggregate beams with the same section size, different replacement ratio of recycled coarse aggregate (0%, 50%, 70% and 100%) and different percentage reinforcement (0.68%, 0.89% and 1.13%). Based on the experimental the following conclusio

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Li, Chun Xia, and Shi Lin Yan. "Minimum Reinforcement Ratio of Concrete Beams Reinforced with FRP Bars." Advanced Materials Research 282-283 (July 2011): 553–56. http://dx.doi.org/10.4028/www.scientific.net/amr.282-283.553.

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Based on the non-linearity stress strain relation of concrete, the cracking moment of plain flexural concrete member is established, and the flexural capacity of concrete beams reinforced with FRP bars is also obtained under FRP rupture-controlled failure. To prevent FRP rupture failure upon concrete cracking, the minimum reinforcement ration should be derived from simplified calculation, which may provide some theoretic guidance on design and construction for concrete structure reinforced with FRP bars.

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Li, Qingfu, Wei Guo, Chenhui Liu, Yihang Kuang, and Huitao Geng. "Experimental and Theoretical Studies on Flexural Performance of Stainless Steel Reinforced Concrete Beams." Advances in Civil Engineering 2020 (June 27, 2020): 1–13. http://dx.doi.org/10.1155/2020/4048750.

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In this paper, the flexural characteristics of stainless steel (SS) reinforced concrete beams are studied and analyzed. We mainly focus on their crack mode, failure mode, load-deflection curve, and bearing capacity. Six beams with test parameters, including the diameter of reinforcement, the type of the reinforcement, and the stirrup spacing, were tested in 4-point bending. The test results indicate that the failure mode of SS reinforced concrete beam can be divided into three stages: elastic stage, cracking stage, and failure stage. The midspan section deformation of SS reinforced concrete be

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Ghali, Amin, and Mamdouh M. Elbadry. "Cracking of composite prestressed concrete sections." Canadian Journal of Civil Engineering 14, no. 3 (1987): 314–19. http://dx.doi.org/10.1139/l87-050.

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Partially prestressed composite concrete sections are analyzed for the stress and strain changes due to a normal force N or a bending moment M or a combination of the two. One general approach is presented, which can be used for any of the three loading cases on composite or noncomposite sections. The applied forces N and M are assumed of such magnitude to produce cracking. The distribution of stress existing before the application of N and M must be determined a priori. Key words: analysis, composite section, cracking, loads (forces), precast concrete, prestressed concrete, stress, strain, te

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Dimmerling, Amy, Richard A. Miller, Reid Castrodale, Amir Mirmiran, Makarand Hastak, and T. Michael Baseheart. "Connections between Simply Supported Concrete Beams Made Continuous." Transportation Research Record: Journal of the Transportation Research Board 1928, no. 1 (2005): 126–33. http://dx.doi.org/10.1177/0361198105192800114.

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Precast bridge girders can be made continuous for live loads with the provision of a moment connection over the supports. NCHRP Project 12–53 examined methods for making this type of moment connection. This is usually done by placing negative moment reinforcement in a cast-in-place deck over the support and by placing a diaphragm between the girder ends. To counteract positive moments caused by creep and shrinkage, positive moment connections are often provided at the girder ends. An experimental study of the strength of six different positive moment details, involving either extended strand o

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