Academic literature on the topic 'Concrete Compressive Strength (CCS)'

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Journal articles on the topic "Concrete Compressive Strength (CCS)"

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Jalal, Asif, Luqmanul Hakim, and Nasir Shafiq. "Mechanical and Post-Cracking Characteristics of Fiber Reinforced Concrete Containing Copper-Coated Steel and PVA Fibers in 100% Cement and Fly Ash Concrete." Applied Sciences 11, no. 3 (2021): 1048. http://dx.doi.org/10.3390/app11031048.

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This experimental study investigated the effects of polyvinyl alcohol (PVA) and copper-coated steel (CCS) on the mechanical properties and the post cracking behavior of fiber reinforced concrete (FRC). In designing high-performance concrete mixes, cement replacement materials are the essential ingredients. Therefore, the research objective was to investigate PVA and CCS fiber’s post-cracking performance in 100% cement concrete and concrete with 80% cement and 20% fly ash. The fiber content was fixed as a 0.3% volumetric fraction. CSS fibers required 15% more superplasticizer to achieve the des
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Do Quang, Thien, Hai La Duong, Dinh Cao Huu Tan, and Huyen Nguyen Thi Le. "COMPRESSIVE STRENGTH VARIATIONS BY ADDING MARINE SAND AS CONCRETE FINE AGGREGATE IN QUANG NAM, VIETNAM." Suranaree Journal of Science and Technology 30, no. 2 (2023): 010216(1–11). http://dx.doi.org/10.55766/sujst-2023-02-e01880.

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Recently, considerations in partly replacing traditional concrete fine aggregate contained high river sand is concerned by marine sand to become a concern in Vietnam and the whole world. In the study area of Quang Nam (Vietnam), marine sand is selected to add to concrete fine aggregate because it meets engineering requirements for concrete fine aggregate material about fineness modulus (Ms) and salt content. The main research object is variations of concrete compressive strength (CCS) when adding marine sand to fine aggregate mixes. A proposal of concrete ratio mixes for CCS lab determinations
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Akbarzadeh, Mohammad Reza, Hossein Ghafourian, Arsalan Anvari, Ramin Pourhanasa, and Moncef L. Nehdi. "Estimating Compressive Strength of Concrete Using Neural Electromagnetic Field Optimization." Materials 16, no. 11 (2023): 4200. http://dx.doi.org/10.3390/ma16114200.

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Concrete compressive strength (CCS) is among the most important mechanical characteristics of this widely used material. This study develops a novel integrative method for efficient prediction of CCS. The suggested method is an artificial neural network (ANN) favorably tuned by electromagnetic field optimization (EFO). The EFO simulates a physics-based strategy, which in this work is employed to find the best contribution of the concrete parameters (i.e., cement (C), blast furnace slag (SBF), fly ash (FA1), water (W), superplasticizer (SP), coarse aggregate (AC), fine aggregate (FA2), and the
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Pham, My, Ngoc-Hieu Dinh, Cong-Thuat Dang, and Hoai-Chinh Truong. "Numerical Study of Bearing Strength of Infilled Concrete in Large Diameter CFST Column Reinforced by Shear Stoppers." Designs 8, no. 1 (2024): 9. http://dx.doi.org/10.3390/designs8010009.

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Ensuring an adequate bond between the steel tube and infilled concrete interface plays an essential role in achieving composite action for concrete-filled steel tubular (CFST) columns. Thus, this study proposes a new type of large diameter CFST column where the steel tube is reinforced by shear stoppers. The bearing strength of the infilled concrete is the decisive factor in evaluating the overall working efficiency between infilled concrete and steel tube. In this paper, we use nonlinear finite element analysis (NFEA) to investigate the bearing strength of the infilled concrete concerning the
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Prof.Yousef, Saleh Abuzir |. أ.د. يوسف صالح يوسف ابو زر, та Yousef Abuzir |. د. صالح يوسف أبو زر Dr.Saleh. "Data Mining Techniques for Prediction of Concrete Compressive Strength (CCS) | تقنيات التنقيب في البيانات للتنبؤ بالقوة الانضغاطية الخرسانية". Palestinian Journal of Technology & Applied Sciences | المجلة الفلسطينية للتكنولوجيا والعلوم التطبيقية, № 3 (17 лютого 2020): 57–72. https://doi.org/10.5281/zenodo.3672763.

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  Abstract The main aim of this research is to use data mining techniques to explore the main factors affecting the strength of concrete mix. In this research, we are interested in finding some of the factors that influence the high performance of concrete to increase the Concrete Compressive Strength (CCS) mix. We used Waikato’s Knowledge Analysis Environment (WEKA) tool and algorithms such as K-Means, Kohonen’s Self Organizing Map (KSOM) and EM to identify the most influential factors that increase the strength of the concrete mix. The results of this research showed that EM
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Abubakar, Jibrin, Mohammed Abdullahi, James Isiwu Aguwa, Bala Alhaji Abbas, and Daniel Ndakuta Kolo. "Empirical Relationship between Compressive, Flexural and Splitting Tensile Strengths of Concrete Containing Kuta Gravel as Coarse Aggregate." Journal of Engineering Research and Reports 27, no. 1 (2025): 209–18. https://doi.org/10.9734/jerr/2025/v27i11380.

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Flexural and tensile strengths of concrete are of great importance in structural engineering. Understanding the flexural strength of concrete helps designers prevent and control development of cracks in concrete elements, ensuring durability. In addition to serviceability, shear, bond failure and flexural capacity in concrete members are directly linked to the tensile strength of the concrete. When compared to flexural and tensile strengths, determination of the compressive strength of concrete is easier to carry out in the field. It is therefore, customary to determine the compressive strengt
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Mohammed, Zameer Ahamed J. "Cement of the Past and Present: Concrete Innovations for the Future." Advanced Research and Reviews in Cement and Concrete 1, no. 1 (2025): 68–84. https://doi.org/10.5281/zenodo.15208645.

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<em>Concrete, the most extensively used material in construction, continues to evolve significantly. Today's concrete is no longer just a basic blend of cement, water, and aggregates&mdash;it increasingly incorporates mineral additives, chemical admixtures, fibers, and other advanced components. While conventional infrastructure applications will remain the dominant market for concrete, specialized or "&agrave; la carte" smart concretes are also gaining traction in niche sectors.</em> <em>The emergence of these smart concretes is driven by advancements in concrete science, innovations in admix
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Bach, Quoc Si. "Quantitative Study of Hydration of C3S and C2S in the Reactive Powder Concrete together with its Strength Development." Applied Mechanics and Materials 889 (March 2019): 294–303. http://dx.doi.org/10.4028/www.scientific.net/amm.889.294.

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The compressive strength development always go along with the microstructure development in concrete through the process of cement hydration. In the hydrated products of cement, calcium silicate hydrate (C-S-H) forms a network of nanoparticles so C-S-H gel is the main compound giving compressive strength of concrete. As we know that C-S-H gel produced by the reactions with water of two main minerals in cement such as Tricalcium Silicate () and Dicalcium Silicate (). In addition, the increase of C-S-H content in concrete due to the pozzolanic reaction of the pozzolan with calcium hydroxide (CH)
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Singh, Komalpreet, Jaspal Singh, and Sarvesh Kumar. "A Sustainable Environmental Study on Corn Cob Ash Subjected To Elevated Temperature." Current World Environment 13, no. 1 (2018): 144–50. http://dx.doi.org/10.12944/cwe.13.1.13.

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Rapid increase in greenhouse gas induces mischievous impact on environment. In this study, carbon dioxide emission can be reduced to some extent by replacing some amount of cement with corn cob ash. The performance of concrete at high temperature was also studied. This paper investigates the effect of elevated temperature on strength property of ordinary concretes of grade M25, containing Corn Cob Ash (CCA) at various replacement levels of cement. The cube samples were subjected to high temperature of 1500C, 3000C, 4500C and 6000C for 2 hour duration in a muffle furnace. The samples were teste
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Amalia, Taris Rizka, and Nurul Rochmah. "Pengaruh Abu Bonggol Jagung Sebagai Substitusi Semen Terhadap Kuat Tekan Beton Alir." Jurnal Teknik Sipil dan Teknologi Konstruksi 10, no. 1 (2024): 45. http://dx.doi.org/10.35308/jts-utu.v10i1.9474.

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Abstract The use of flow concrete is the main choice in construction because of its high workability that facilitates compaction. In this study, utilizing corn cob ash as a partial substitution material for cement because the content of corn cob ash makes the waste potentially used as a concrete mixing material. One of the most important silica content in concrete is silica (SiO2). Corn cob ash has a fairly high silica content of 59%. Silica plays an important role in concrete because it can increase the compressive strength of concrete. This study aims to determine the effect of corn cob ash
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Dissertations / Theses on the topic "Concrete Compressive Strength (CCS)"

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Mulligan, Ann Marie. "Attainable Compressive Strength of Pervious Concrete Paving Systems." Master's thesis, University of Central Florida, 2005. http://digital.library.ucf.edu/cdm/ref/collection/ETD/id/2630.

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The pervious concrete system and its corresponding strength are as important as its permeability characteristics. The strength of the system not only relies on the compressive strength of the pervious concrete but also on the strength of the soil beneath it for support. Previous studies indicate that pervious concrete has lower compressive strength capabilities than conventional concrete and will only support light traffic loadings. This thesis investigated prior studies on the compressive strength on pervious concrete as it relates to water-cement ratio, aggregate-cement ratio, aggregate size
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Vincent, Edward Creed. "Compressive Creep of a Lightweight, High Strength Concrete Mixture." Thesis, Virginia Tech, 2003. http://hdl.handle.net/10919/30962.

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Concrete undergoes volumetric changes throughout its service life. These changes are a result of applied loads and shrinkage. Applied loads result in an instantaneous recoverable elastic deformation and a slow, time dependent, inelastic deformation called creep. Creep without moisture loss is referred to as basic creep and with moisture loss is referred to as drying creep. Shrinkage is the combination of autogeneous, drying, and carbonation shrinkage. The combination of creep, shrinkage, and elastic deformation is referred to as total strain. The prestressed concrete beams in the Chickah
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Taylor, Susan Elizabeth. "Compressive membrane action in high strength concrete bridge deck slabs." Thesis, Queen's University Belfast, 2000. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.314163.

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Gogol, Volker R. "The compressive strength of fly ash concrete and its mineralogy." Master's thesis, University of Cape Town, 1994. http://hdl.handle.net/11427/8457.

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Includes bibliographical references.<br>The use of fly ash as a cement extender in portland cement concrete is well established. Strict requirements are set for the fly ash on its physical properties and chemical composition to ensme its successful application as a partial replacement material for cement. An investigation was undertaken into the effectiveness and properties of a high carbon clinker ash when used as a cement extender at a 30 direct mass to mass substitution for portland cement. The clinker ash came from the Van Eck power station in Windhoek, Namibia and was milled to pass a 63m
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Hedayatnasab, Arastoo. "The use of recycled aggregate concrete of equal compressive strength in reinfornced concrete beams." Thesis, Kingston University, 2013. http://eprints.kingston.ac.uk/26058/.

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One area for sustainable engineering is the efficient use of recycled aggregates obtained from construction and demolition and also as by-products derived from industrial waste that optimises economic and environmental benefits. For the past five decades, studies on the effect of coarse recycled aggregates (RCA) on properties of concrete have been going on, and in fact, none of them reported that good quality coarse RCA, from the mechanical point of view, is unsustainable for structural use. However, according to the limits stated in BS EN 8500 part 2 (2006), at least 87% of the coarse RCA sha
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Eyre, John Richard. "Strength enhancement in reinforced concrete slabs due to compressive membrane action." Thesis, University College London (University of London), 1985. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.318494.

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Liu, Kefan. "EFFECTS OF RECYCLED PET PARTICLE INCLUSION ON COMPRESSIVE STRENGTH OF CONCRETE." University of Akron / OhioLINK, 2021. http://rave.ohiolink.edu/etdc/view?acc_num=akron1618948861158629.

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Nijem, Abdelaziz. "ARTIFICIAL INTELLIGENCE NEURAL NETWORK: COMPRESSIVE STRENGTH PREDICTION OF RECYCLED AGGREGATE CONCRETE SAMPLES." Cleveland State University / OhioLINK, 2020. http://rave.ohiolink.edu/etdc/view?acc_num=csu161022170304632.

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Owusu, Twumasi Jones. "PREDICTION OF 28-DAY COMPRESSIVE STRENGTH OF CONCRETE USING RELEVANCE VECTOR MACHINES (RVM)." OpenSIUC, 2013. https://opensiuc.lib.siu.edu/theses/1141.

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Early and accurate prediction of the compressive strength of concrete is important in the construction industry. Modeling the compressive strength of concrete to obtain a balance and equality between prediction accuracy, time and uncertainty of the prediction is a very difficult task due to the highly nonlinear nature of concrete. For structural engineering purposes, the 28- day compressive strength is the most relevant parameter. In this study, an attempt has been made to predict the 28-day compressive strength of concrete using Relevance Vector Machine (RVM). An RVM belongs to the class of s
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Zhang, Lihe. "Impact resistance of high strength fiber reinforced concrete." Thesis, University of British Columbia, 2008. http://hdl.handle.net/2429/705.

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Concrete structures may be subjected to dynamic loading during their service life. Understanding the dynamic properties of concrete structures is becoming critical because of the increased concern about the dynamic loading of both civilian and military structures, and especially, the recent increase in terrorist attacks on structures. Fiber reinforced concrete (FRC) is known to exhibit superior performance in its post-peak energy absorption capacity, (i.e., toughness) under flexural and tensile loading. However, the behavior of fiber reinforced concrete under compressive impact has not previo
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Books on the topic "Concrete Compressive Strength (CCS)"

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Standards Association of Australia. Committee BD/42, Methods of Testing Concrete. Methods of testing concrete: Determination of the compressive strength of concrete specimens. 3rd ed. Standards Australia, 1999.

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Laungrungrong, Busaba. Development of rational pay factors based on concrete compressive strength data. Arizona Dept. of Transportation, 2008.

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Laungrungrong, Busaba. Development of rational pay factors based on concrete compressive strength data. Arizona Dept. of Transportation, 2008.

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Canadian Society of Civil Engineers., ed. The compressive strength of concrete: As determined by tests made at McGill University. s.n., 1986.

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Alexander, A. Michel. Accuracy of estimating compressive strength of deteriorated concrete seawall by nondestructive evaluation (NDE). U.S. Army Engineer Waterways Experiment Station, 1998.

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Materials Engineering and Research Laboratory (U.S.), ed. Effects of various fly ashes on compressive strength, resistance to freezing and thawing, resistance to sulfate attack, and adiabatic temperature rise of concrete. Materials Engineering and Research Laboratory Group, Civil Engineering Services, Technical Service Center, U.S. Dept. of the Interior, Bureau of Reclamation, 1995.

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English, Joe. Predicting the compressive strength of high-performance silica fume concrete by Bayesian methods: Joint C-SHRP/Newfoundland Bayesian application. Canadian Strategic Highway Research Program, Transportation Association of Canada, 1995.

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Kryvenko, Pavlo, ed. Compressive Strength of Concrete. IntechOpen, 2020. http://dx.doi.org/10.5772/intechopen.80174.

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A. C. I. American Concrete Institute. ACI: Concrete Strength Testing Technician - Testing for Compressive Strength of Concrete Specimens. Elsevier Science & Technology Books, 2009.

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Snyder, Jerrod Lane. Compressive strength and behavior of ungrouted concrete masonry prisms. 1994.

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Book chapters on the topic "Concrete Compressive Strength (CCS)"

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Kaur, Deshvinder, Samatar Hassan, Rowena Richard, et al. "Compressive Strength of Bio-Fibrous Concrete." In Advances in Civil Engineering Materials. Springer Nature Singapore, 2023. http://dx.doi.org/10.1007/978-981-19-8024-4_36.

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Karavelić, Emir, Emina Hajdo, Emina Hadzalic, Ismar Imamovic, and Naida Ademović. "Enhanced Maturity-Strength Model for Predicting Concrete Compressive Strength." In Lecture Notes in Networks and Systems. Springer Nature Switzerland, 2024. http://dx.doi.org/10.1007/978-3-031-71694-2_4.

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Kuhn, Max, and Kjell Johnson. "Case Study: Compressive Strength of Concrete Mixtures." In Applied Predictive Modeling. Springer New York, 2013. http://dx.doi.org/10.1007/978-1-4614-6849-3_10.

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Pranav, Shreyas, Mukund Lahoti, and Muthukumar Gopalarathnam. "Concrete Compressive Strength Prediction Using Boosting Algorithms." In Fiber Reinforced Polymeric Materials and Sustainable Structures. Springer Nature Singapore, 2023. http://dx.doi.org/10.1007/978-981-19-8979-7_26.

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Ladygina, Polina, Alexander Samochadin, Nikita Voinov, Pavel Drobintsev, and Ilya Fedorov. "Predicting Concrete Compressive Strength Using Machine Learning." In Lecture Notes in Electrical Engineering. Springer Singapore, 2022. http://dx.doi.org/10.1007/978-981-19-0572-8_57.

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Singh, Balraj, and Tanvi Singh. "Soft Computing-Based Prediction of Compressive Strength of High Strength Concrete." In Applications of Computational Intelligence in Concrete Technology. CRC Press, 2022. http://dx.doi.org/10.1201/9781003184331-12.

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Li, Meng, Guangxiu Fang, Haonan Wu, Chunming Wang, Huaiyu Li, and Zhoutong Li. "Experimental Study on Strength of Luminous Concrete with Double Admixture of Fly Ash and Slag Powder." In Lecture Notes in Civil Engineering. Springer Nature Singapore, 2024. http://dx.doi.org/10.1007/978-981-97-4090-1_31.

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AbstractLuminescent concrete is based on ordinary concrete, in which zinc sulfide luminescent material is added to make ordinary concrete with luminescent function of concrete, and its mechanical properties are greatly affected by the dosage of luminescent powder and mineral admixture. In order to study the mechanical properties and optical properties of luminescent concrete, luminescent concrete composite adding different dosages of fly ash and slag powder compressive test and flexural test, obtained different fly ash and slag powder dosage of luminescent concrete compressive strength and fle
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Xia, Junwu, Chao Luo, and Enlai Xu. "The Mix Proportion Optimization Design of Coal Gangue Pervious Concrete." In Lecture Notes in Civil Engineering. Springer Nature Singapore, 2024. http://dx.doi.org/10.1007/978-981-97-4090-1_34.

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AbstractIn order to improve the strength and permeability of coal gangue pervious concrete, an optimized mix design was conducted. An orthogonal experiment was employed to study the variations of compressive strength and permeability coefficient of coal gangue pervious concrete under the influence of aggregate particle size, water-cement ratio, designed porosity, and dosage of permeable admixture. After obtaining a relatively optimal mix proportion, further discussions were carried out by restricting the values of compressive strength and permeability coefficient to determine the appropriate r
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Soutsos, Marios N., Denys Breysse, Vincent Garnier, Arlindo Goncalves, and Andre Valente Monteiro. "Estimation of on-site compressive strength of concrete." In Non-Destructive Assessment of Concrete Structures: Reliability and Limits of Single and Combined Techniques. Springer Netherlands, 2011. http://dx.doi.org/10.1007/978-94-007-2736-6_3.

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Amruthamol, N. A., and Kanish Kapoor. "Machine Learning Model to Forecast Concrete Compressive Strength." In Advances in Data and Information Sciences. Springer Nature Singapore, 2022. http://dx.doi.org/10.1007/978-981-19-5292-0_12.

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Conference papers on the topic "Concrete Compressive Strength (CCS)"

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Zhao, Yuanke, and Yong Ge. "Prediction of concrete compressive strength based on machine learning." In 10th International Conference on Mechanical Engineering, Materials, and Automation Technology (MMEAT 2024), edited by Yunhui Liu and Zili Li. SPIE, 2024. http://dx.doi.org/10.1117/12.3046761.

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Shi, Chuan, Bing Xi, Li Shen, and Can Liu. "Concrete compressive strength prediction model based on RS-Catboost algorithm." In 2024 4th International Symposium on Computer Technology and Information Science (ISCTIS). IEEE, 2024. http://dx.doi.org/10.1109/isctis63324.2024.10698947.

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Pande, Prashant, Samruddhi Mahakalkar, Sneha Kendre, et al. "Predictive Modelling of Concrete Compressive Strength Based on Drilling Parameters." In 2024 2nd International Conference on Emerging Trends in Engineering and Medical Sciences (ICETEMS). IEEE, 2024. https://doi.org/10.1109/icetems64039.2024.10964959.

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Benidir, Adel. "Assessment of Concrete Compressive Strength by Destructive Testing: Influence of Strength Correction Factors and Size Effect." In 2024 10th International Conference on Architecture, Materials and Construction & 2024 5th International Conference on Building Science, Technology and Sustainability. Trans Tech Publications Ltd, 2025. https://doi.org/10.4028/p-96lxin.

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This paper highlights the importance of strength correction factors for a correct assessment of concrete compressive strength as a destructive test is performed. Full-scale reinforced concrete columns were prepared and the experiment consists of the extraction of cores (core diameter of 64 mm, 79 mm, and 103 mm) to carry out destructive test. The results show that the assessment of the compressive strength of concrete depends strongly on the aspect ratio and the diameter. Furthermore, the comparison between the core compressive strengths of samples with an aspect ratio of one and two could be
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Musleh, Fuad, Ranyah Taha, and Abdel Rahman Musleh. "Comparative Analysis of Machine Learning Techniques for Concrete Compressive Strength Prediction." In 2023 4th International Conference on Data Analytics for Business and Industry (ICDABI). IEEE, 2023. http://dx.doi.org/10.1109/icdabi60145.2023.10629479.

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Ahmed, Amira Hamdy Ali, Wu Jin, Wang Yiyuan, and Mosaad Ali Hussein Ali. "Enhancing Compressive Strength Prediction in Recycled Aggregate Concrete Using XGBoost Optimization." In 2024 IEEE 7th International Conference on Big Data and Artificial Intelligence (BDAI). IEEE, 2024. http://dx.doi.org/10.1109/bdai62182.2024.10692809.

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Ivanchev, Ivan, Georgi Ivanov, Lachezar Hrischev, Ivan Rostovsky, and Maria Gueorguieva. "Assessment of Concrete Compressive Strength at Early Age Using SonReb Method." In 2024 XXXIV International Scientific Symposium Metrology and Metrology Assurance (MMA). IEEE, 2024. https://doi.org/10.1109/mma62616.2024.10817684.

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Mohammed, N. "Characterization of sustainable concrete made from wastewater bottle caps using a machine learning and RSM-CCD: towards performance and optimization." In AToMech1-2023 Supplement. Materials Research Forum LLC, 2023. http://dx.doi.org/10.21741/9781644902790-4.

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Abstract. The properties of concrete, a widely used building material across the globe, have changed due to technological breakthroughs. Cement, sand, coarse aggregate, and water are the four components used to build concrete. Technological improvements increase human comfort, yet the environment is also harmed. Therefore, recycling and reuse are vital to environmental engineers because they help reduce the amount of plastic bottle garbage disposed of as solid waste. In this study, water-cement ratios of 0.5, 0.55, and 0.6 are used in lieu of concrete in various percentages, including 0, 6, an
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Zhu, Li. "Experimental Study of Curved SFRC and ECC Composite Beams." In IABSE Congress, Nanjing 2022: Bridges and Structures: Connection, Integration and Harmonisation. International Association for Bridge and Structural Engineering (IABSE), 2022. http://dx.doi.org/10.2749/nanjing.2022.0666.

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&lt;p&gt;In order to investigate the cracking behavior of curved steel-concrete composite mechanical behavior under a hogging moment, two composite box girders with a central angle of 9º were designed and tested under static loads. In the reported test program, the CCB-1 was designed with steel fiber reinforced concrete (SFRC) slab and shear studs. In contrast, the CCB-2 was designed with Engineered Cementitious Composites (ECC) and Uplift-Restricted and Slip-Permitted (URSP) connectors for enhanced crack resistance. The load-displacement curve, strength and displacement ductility, failure mod
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Hansen, Søren Gustenhof, Henrik Brøne Jørgensen, and Linh Ca Hoang. "Anisotropic Concrete Compressive Strength." In IABSE Symposium, Vancouver 2017: Engineering the Future. International Association for Bridge and Structural Engineering (IABSE), 2017. http://dx.doi.org/10.2749/vancouver.2017.3068.

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Reports on the topic "Concrete Compressive Strength (CCS)"

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Lagergren, Eric S. Effects of testing variables on the measured compressive strength of high-strength (90 MPa) concrete. National Institute of Standards and Technology, 1994. http://dx.doi.org/10.6028/nist.ir.5405.

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Vankirk, George, Andreas Frank, Michael Roth, Brett Williams, and William Heard. Residual strength of a high-strength concrete subjected to triaxial prestress. Engineer Research and Development Center (U.S.), 2024. http://dx.doi.org/10.21079/11681/48055.

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This study investigates simplified mechanical loading paths that represent more complex loading paths observed during penetration using a triaxial chamber and a high-strength concrete. The objective was to determine the effects that stress-strain (load) paths have on the material’s unconfined compressive (UC) residual strength. The loading paths included hydrostatic compression (HC), uniaxial strain in compression (UX), and uniaxial strain load biaxial strain unload (UXBX). The experiments indicated that the load paths associated with nonvisible microstructural damage were HC and UX—which prod
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Alexander, Michel. Accuracy of Estimating Compressive Strength of Deteriorated Concrete Seawall by Nondestructive Evaluation (NDE). Defense Technical Information Center, 1998. http://dx.doi.org/10.21236/ada352602.

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Roberson, Madeleine, Kathleen Inman, Ashley Carey, Isaac Howard, and Jameson Shannon. Probabilistic neural networks that predict compressive strength of high strength concrete in mass placements using thermal history. Engineer Research and Development Center (U.S.), 2022. http://dx.doi.org/10.21079/11681/44483.

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This study explored the use of artificial neural networks to predict UHPC compressive strengths given thermal history and key mix components. The model developed herein employs Bayesian variational inference using Monte Carlo dropout to convey prediction uncertainty using 735 datapoints on seven UHPC mixtures collected using a variety of techniques. Datapoints contained a measured compressive strength along with three curing inputs (specimen maturity, maximum temperature experienced during curing, time of maximum temperature) and five mixture inputs to distinguish each UHPC mixture (cement typ
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Adams, Caitlin J., Baishakhi Bose, Ethan Mann, et al. Superabsorbent Polymers for Internally Cured Concrete. Purdue University, 2022. http://dx.doi.org/10.5703/1288284317366.

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Two commercial superabsorbent polymer (SAP) formulations were used to internally cure cement pastes, mortars, and concretes with a range of water-to-cement ratios (w/c 0.35–0.52). The following properties were determined as a function of cement chemistry and type, use of chemical admixtures, use of slag, and batching parameters: SAP absorption capacity, fresh mixture workability and consistency, degree of hydration, volumetric stability, cracking tendency, compressive and flexural strength, and pumpability. SAP internal curing agents resulted in cementitious mixtures with improved hydration, a
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Snyder, Kenneth A., James R. Clifton, and Nicholas J. Carino. Nondestructive evaluation of the in-place compressive strength of concrete based upon limited destructive testing. National Institute of Standards and Technology, 1992. http://dx.doi.org/10.6028/nist.ir.4874.

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Solanki, Pranshoo, and Haiyan Xie. Field-Curing Methods for Evaluating the Strength of Concrete Test Specimens. Illinois Center for Transportation, 2023. http://dx.doi.org/10.36501/0197-9191/23-023.

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The American Association of State Highway and Transportation Officials R 100 standard provides instructions for making and curing concrete test specimens in the field. However, further research is needed to compare the strength of the field-cured specimen with the strength of the actual in-place concrete item. The purpose of this combined laboratory and field study was to evaluate field-curing methods of concrete specimens for estimating the early opening strength of an in-place concrete item. The researchers used one Illinois Department of Transportation class PV mix to cast cylinders, beams,
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Asvapathanagul, Pitiporn, Simone Galano, Andrea Calabrese, et al. Experimental Investigation of the Self-Healing Potential of Bacteria for Sustainable Concrete Structures. Mineta Transportation Institute, 2023. http://dx.doi.org/10.31979/mti.2023.2239.

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Although concrete is the most widely used building material in the world, its limited tensile strength makes cracking a common phenomenon in concrete elements. This study investigates the potential of autonomous self-healing as an eco-friendly and lowcost method to increase the durability of concrete. The crack-healing potential of different types of high-alkaline-tolerant bacteria or calcite-precipitation microorganisms is investigated. High-alkaline-tolerant bacteria and calcite-precipitation microorganisms were used to retrofit lab-fractured concrete samples. The samples healed with each of
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Calabrese, Andrea, Pitiporn Asvapathanagul, Nisarg N. Patel, et al. Experimental Investigation of the Self-Healing Potential of Bacteria for Sustainable Concrete Structures Phase 2. Mineta Transportation Institute, 2024. http://dx.doi.org/10.31979/mti.2024.2331.

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Concrete is a critical component of so much of the modern construction industry. This material, well known for its versatility, robustness, longevity, and strength, is well-suited for a wide range of structural applications. Nonetheless, the widespread occurrence of cracks in concrete structures, primarily attributed to its limited tensile strength, shrinkage, and overstain, imposes a considerable economic and environmental challenge when it comes to retrofitting these fissures. This study tackles this problem by harnessing bacteria tolerant to high alkaline conditions to enable Microbially In
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Ley, M., Zane Lloyd, Shinhyu Kang, and Dan Cook. Concrete Pavement Mixtures with High Supplementary Cementitious Materials Content: Volume 3. Illinois Center for Transportation, 2021. http://dx.doi.org/10.36501/0197-9191/21-032.

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Fly ash is a by-product of coal combustion, made up of particles that are collected through various methods. This by-product has been used successfully as a partial Portland cement replacement in concrete, but the performance predictions of fly ash in concrete have been difficult to predict, especially at high fly ash replacement rates. This study focuses on comparing the performance of concrete with a variety of fly ash mixtures as well as the particle distribution and chemical makeup of fly ash. The slump, unit weight, compressive strength, and isothermal calorimetry tests were used to measu
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