Relevant bibliographies by topics / Workability and strength

Contents

  1. Journal articles
  2. Dissertations / Theses
  3. Books
  4. Book chapters
  5. Conference papers
  6. Reports

Academic literature on the topic 'Workability and strength'

Author: Grafiati
Published: 3 June 2025
Last updated: 31 July 2025

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Journal articles on the topic "Workability and strength"

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Ma, Yong Qiang. "Experimental Study on Workability and Strength of Green High Performance Concrete with High Volume Fly Ash." Advanced Materials Research 859 (December 2013): 52–55. http://dx.doi.org/10.4028/www.scientific.net/amr.859.52.

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A great deal of experiments have been carried out in this study to reveal the effect of the water-binder ratio and fly ash content on the workability and strengths of GHPC (green high performance concrete). The workability of GHPC was evaluated by slump and slump flow. The strengths include compressive strength and splitting tensile strength. The results indicate that the increase of water-binder ratio can improve the workability of GHPC, however the strengths of GHPC were decreased with the increase of water-binder ratio. When the fly ash content is lower than 40%, the increase in fly ash con
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G, Mr Venkatesan, Poovadharani R, and Neerkamali L. "Experiment Investigation On Concrete With Partial Replacement Of Cement By Cow Dung Ash." Journal of University of Shanghai for Science and Technology 23, no. 10 (2021): 439–46. http://dx.doi.org/10.51201/jusst/21/09698.

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Experimental investigations were carried out to study the cow dung ash on the strength of concrete. Cement was partially replaced with four percentages (5%, 10%, 15%, 20%) of cow dung ash by weight in M20 grade concrete mix. Test performed on the concrete mix are compressive strength, splitting tensile strength and workability. The compressive strengths of the concrete specimens were determined at 7 and 28 days respectively. The tests were performed on the moulds of size (150mm x150mm x150mm).Workability test is done using compaction factor apparatus. Workability Test shows that workability of
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Jhatial, Ashfaque Ahmed, Samiullah Sohu, Muhammad Tahir Lakhiar, Jam Shahzaib, and Ahsan Ali Buriro. "Effectiveness of Locally Available Superplasticizers on the Workability and Strength of Concrete." Civil Engineering Journal 4, no. 12 (2018): 2919. http://dx.doi.org/10.28991/cej-03091208.

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Though superplasticizers (SP) are well-known chemical admixtures which are added into concrete to enhance the workability and achieve higher strength while reducing the water content. But the rapid increase in different SP in Pakistan has created confusion on the effectiveness of SP. This experimental study was carried out to study the effect of locally available SP on the workability and compressive strength of M15 grade concrete. Three different SP were utilized, with dosage ranging from 0.5% to 2.5% with an increment of 0.5%. The water-cement ratio remained constant at 0.5 for all samples.
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Kwan, A. KH. "Use of condensed silica fume for making high-strength, self-consolidating concrete." Canadian Journal of Civil Engineering 27, no. 4 (2000): 620–27. http://dx.doi.org/10.1139/l99-091.

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A high concrete strength can be achieved by lowering the water/binder ratio and a high workability by adding a higher dosage of superplasticizer. However, a high-performance concrete with both high strength and high workability cannot be produced by just these means because lowering the water/binder ratio leads to lower workability and there is a limit to the increase in workability that can be attained by adding superplasticizer. To produce a high-strength, high-workability concrete, the concrete strength needs to be increased without lowering the water/binder ratio. This can be done by addin
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John, Wasiu, Agbawhe Okeoghene Oghenekume, and Tuleun Lawrence Zahemen. "The Effect of Calcium Carbonate Filler on Self-Compacting Concrete Using Different Aggregate Sizes." European Journal of Engineering Research and Science 4, no. 9 (2019): 9–16. http://dx.doi.org/10.24018/ejers.2019.4.9.1485.

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In this research work, the effect of Calcium Carbonate Filler was studied on the compressive strength and the workability of self-compacting Concrete (SCC) at different grades (M60, M65 and M70) and different coarse aggregate sizes (6.3mm, 10mm and 20mm). Calcium Carbonate Filler (Limestone powder) and Rice Husk Ash (RHA) were added in percentages of 2.5% and 5% to check its effect on the workability and strength properties of SCC and Normally Vibrated Concrete. Experimental investigations were carried out on SCC and normally vibrated concrete (NVC) samples of grade M60, M65 and M70 using diff
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John, Wasiu, Agbawhe Okeoghene Oghenekume, and Tuleun Lawrence Zahemen. "Effect of Calcium Carbonate Filler on Self-Compacting Concrete Using Different Aggregate Sizes." European Journal of Engineering and Technology Research 4, no. 9 (2019): 9–16. http://dx.doi.org/10.24018/ejeng.2019.4.9.1485.

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In this research work, the effect of Calcium Carbonate Filler was studied on the compressive strength and the workability of self-compacting Concrete (SCC) at different grades (M60, M65 and M70) and different coarse aggregate sizes (6.3mm, 10mm and 20mm). Calcium Carbonate Filler (Limestone powder) and Rice Husk Ash (RHA) were added in percentages of 2.5% and 5% to check its effect on the workability and strength properties of SCC and Normally Vibrated Concrete. Experimental investigations were carried out on SCC and normally vibrated concrete (NVC) samples of grade M60, M65 and M70 using diff
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Ahmad, Mushtaq, Sana Ullah, Aneel Manan, Temple Chimuanya Odimegeu, and Salmia Beddu. "Compressive Strength by Incorporating Quarry Dust in Self-Compacting Concrete Grade M35." Civil Engineering Journal 4, no. 4 (2018): 776. http://dx.doi.org/10.28991/cej-0309132.

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The study has conducted to determine the workability and compressive strength of the self –compacting concrete. The sand has replaced with quarry dust with the proportion of 10, 20, 30 and 40% and super plasticizer was added 0.9%. The experiments were carried out at the Infrastructure University Kuala Lumpur (IUKL) concrete laboratory. Slump flow, J- Ring tests were carried out to determine the workability of self-compacting concrete and compressive strength test was conducted on 7 days and 28th days of curing period. A finding of the study shows that workability and compressive strength has i
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Aris, Rita Hardianti, Erniati Bachtiar, and Ritnawati Makbul. "Workability dan Sifat Mekanik Self Compacting Geopolimer Concrete (SCGC)." Civilla : Jurnal Teknik Sipil Universitas Islam Lamongan 6, no. 2 (2021): 267. http://dx.doi.org/10.30736/cvl.v6i2.718.

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The purpose of this study was to investigate the relationship between molarity and workability in Self-Compacting Geopolymer Concrete (SCGC), as well as mechanical properties. Compressive strength and split tensile strength tests are used to characterize the mechanical characteristics in this research. Additionally, the study investigates the optimal molarity for self-compacting geopolymer concrete. Fly ash was used in lieu of cement in this research. On new concrete self-compacting geopolymer, workability is determined using the EFNARC standard, which includes the Slump Flow, V-Funnel, and L-
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Tang, Chun Ping, and Liang Liang Zhang. "Experimental Research on Polymer-Modified Ceramic Tile Bonding Mortar." Advanced Materials Research 243-249 (May 2011): 1711–15. http://dx.doi.org/10.4028/www.scientific.net/amr.243-249.1711.

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In order to overcome the disadvantages of traditional binding mortar with its workability is poor, bond strength is low, and the bond effects far from satisfactory. In this paper,binding mortar, has been developed by adding polymer into mortar to improving the binding strength and workability. The effects of the polymer type and content on strength of mortar has been studied,The results show that polymer-modified bonding mortar worked better than the traditional mortar: the workability was improved, bonding strength was enhanced.
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Waheedh, Shaik, and Dr M. Madhuri. "EFFECT ON PROPERTIES OF CONCRETE BY PARTIAL REPLACEMENT OF CEMENT WITH METAKAOLIN AND SUPERPLASTICIZER." INTERANTIONAL JOURNAL OF SCIENTIFIC RESEARCH IN ENGINEERING AND MANAGEMENT 07, no. 12 (2023): 1–11. http://dx.doi.org/10.55041/ijsrem27598.

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Metakaolin, a pozzolanic material, has been recognized for its potential to enhance concrete properties, while superplasticizers are commonly used to improve workability and reduce water content in concrete mixtures. The experimental program involves the preparation of concrete mixtures with metakaolin replacements at different levels (by 0%, 5%, 10%, 15%, and 20% by weight of cement). A commercially available superplasticizer is added to the mixtures (by 0%, 0.5%, 1%, 1.5%, and 2% by weight of cement) to optimize workability. The properties of the resulting concrete, including slump cone test
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Dissertations / Theses on the topic "Workability and strength"

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Ahmed, El-Mahadi. "Rheological properties, loss of workability and strength development of high-strength concrete." Thesis, University College London (University of London), 2002. http://discovery.ucl.ac.uk/1317867/.

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The successful production of high-strength concrete which meets the desired strength and durability is dependent on optimising its rheological (or flow) properties and reducing its loss of workability during the transportation, placing and compaction stages. The research presented in this thesis aimed to: 1. Determine whether mix stability and compactability can be adequately described by the two Bingham parameters of yield value and plastic viscosity. 2. Reduce the uncertainties in material selection with regards to the performance of superplasticizers and cement replacement materials. 3. Exa
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Soutsos, Marios Nicou. "Mix design, workability heat evolution and strength development of high strength concrete." Thesis, University College London (University of London), 1992. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.308062.

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A literature survey of the properties and uses of high strength concrete, defined for this study as having a strength in excess of 60 N/tnm2, has shown that of prime need is a systematic, reproducible procedure for attaining high strength concrete. The "Maximum Density Theory", i.e. the requirement that the aggregate occupies as large a relative volume as possible, has been adopted as an approach to optimisation of the mix proportions. However, this does not consider the effect that the aggregate suIface area has on the requirement of excess paste for lubrication. To investigate the combined e
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Mahlaba, Jabulani Samuel. "The influence of brine chemistry on the workability, strength development and mineralogy of fly ash pastes." Thesis, University of Pretoria, 2011. http://hdl.handle.net/2263/31034.

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The ever-increasing demand for energy due to industrialization and population growth necessitates the combustion of more coal , which results in enormous fly ash production. The scarcity of pot able water as well as high water consumption during mineral and coal processing leads to inevitable saline brine production. Both saline brines and fly ashes pose an environmental threat, where utilization of fly ashes is negligible. The management of industrial brines is a concern for inland industries because oceanic disposal is uneconomical . It is therefore imperative to develop an innovative w
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Halabi, Amer, and Tor Grimlund. "Inverkan av flisig krossballast på betong." Thesis, KTH, Betongbyggnad, 2013. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-137182.

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Concrete is one of the world’s most common construction materials and is composed of 70-80 % stone material. Today crushed stone is used as aggregate in concrete in order to replace natural aggregates due to strong environmental reasons. Stone crushing yields flaky material and in this thesis studies are made on the flaky particle shape and how it influence properties of concrete such as workability, rheology and strength. The concrete recipes used in this thesis have fixed values, the only variable is the flakiness of the crushed stone. Flakiness is varied between 0 %, 17 %, 50 %, and 100 % i
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Pavlík, Tomáš. "Studium pojivového systému pro žárobetony na bázi kyseliny fosforečné a hlinitanového cementu." Master's thesis, Vysoké učení technické v Brně. Fakulta chemická, 2020. http://www.nusl.cz/ntk/nusl-414129.

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This thesis deals with refractory concrete binding system based on aluminous cement and phosphoric acid. The prepared refractory concretes were fired at 1 000 °C. Various effects on compressive strength of refractory concrete were studied. The influence of aluminous cement content and phosphoric acid content, the influence of various admixtures, the influence of plasticizers and the influence of time and method of sample storage were studied. Simultaneous thermogravimetry and differential thermal analysis of the basic unfired sample were performed. Finally, selected refractory concretes were f
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Rahman, Abdulsattar, and Hassan Ali. "Återvunnen betong som ballast i ny betong : experimentell studie om partikelgradering, arbetbarhet och tryckhållfasthet." Thesis, Högskolan i Borås, Akademin för textil, teknik och ekonomi, 2018. http://urn.kb.se/resolve?urn=urn:nbn:se:hb:diva-15446.

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Betong är idag och har länge varit det allra vanligaste byggnadsmaterial i Sverige. Det är ett robust och mångsidigt byggnadsmaterial med flera fördelar. Detta arbete är en experimentell studie av betongavfall från Hedareds sand & betong för betongprogrammet RE: Concrete och Högskolan i Borås. Betongavfallet krossas till ny ballast och därefter siktas och gjuts till ny betong enligt olika betongrecept. Försöken sker i betonglabbet i Högskolan i Borås för att krossa och tillverka betong. Grundreceptet har tillhandhållits av Hedareds sand & betong. Syftet med arbetet har varit att unders
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Padovan, Rafaela Gava. "Influência da pré-molhagem nas propriedades de concretos produzidos com agregado reciclado de concreto." Universidade do Vale do Rio dos Sinos, 2013. http://www.repositorio.jesuita.org.br/handle/UNISINOS/3270.

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Submitted by Maicon Juliano Schmidt (maicons) on 2015-04-09T19:46:05Z No. of bitstreams: 1 Rafaela Gava Padovan.pdf: 7081051 bytes, checksum: 9e1501c4f4ebed520c7882be21164038 (MD5)<br>Made available in DSpace on 2015-04-09T19:46:05Z (GMT). No. of bitstreams: 1 Rafaela Gava Padovan.pdf: 7081051 bytes, checksum: 9e1501c4f4ebed520c7882be21164038 (MD5) Previous issue date: 2013-09-05<br>CAPES - Coordenação de Aperfeiçoamento de Pessoal de Nível Superior<br>FINEP - Financiadora de Estudos e Projetos<br>Os agregados reciclados de concreto, de um modo geral, apresentam elevada absorção de água,
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Dvořák, Richard. "Studium efektu aplikace celulózových vláken v cementových kompozitech." Master's thesis, Vysoké učení technické v Brně. Fakulta stavební, 2016. http://www.nusl.cz/ntk/nusl-240420.

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This diploma thesis is focused on composition and processing of cellulose fibers and their usage in cementitious composites. It describes key attributes of cellulose fibers, which has to be acquired for effective use in cement composites. There are stated effects of cellulose fibers on concrete properties, such as workability, physical and mechanic attributes and freeze-thaw resistance. In experimental part is designed a mixture with portion of cellulose fibers. There has been performed various tests to define the effect of cellulose fibers. There was designed experiment to determine its alkal
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Moraes, Mayara Queiroz. "Contribuição aos estudos da influência da nanossílica nas propriedades mecânicas e na trabalhabilidade de concretos para produção em centrais e para fabricação de pré-moldados." Universidade Federal de Goiás, 2012. http://repositorio.bc.ufg.br/tede/handle/tede/3429.

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Submitted by Erika Demachki (erikademachki@gmail.com) on 2014-10-21T20:50:08Z No. of bitstreams: 2 Dissertação - Mayara Queiroz Moraes - 2012.pdf: 2306074 bytes, checksum: 39f99dfabbb79296b809313dd0730f16 (MD5) license_rdf: 23148 bytes, checksum: 9da0b6dfac957114c6a7714714b86306 (MD5)<br>Approved for entry into archive by Jaqueline Silva (jtas29@gmail.com) on 2014-10-22T19:07:28Z (GMT) No. of bitstreams: 2 Dissertação - Mayara Queiroz Moraes - 2012.pdf: 2306074 bytes, checksum: 39f99dfabbb79296b809313dd0730f16 (MD5) license_rdf: 23148 bytes, checksum: 9da0b6dfac957114c6a7714714b86306 (MD5)<br>
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He, Huan. "Analyse de l'effet d'un adjuvant biosourcé pour élaborer des matériaux cimentaires plus éco-respectueux." Thesis, Strasbourg, 2015. http://www.theses.fr/2015STRAD023.

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Cette thèse s’inscrit dans le cadre du projet SEPOLBE qui a pour ambition d’élaborer des adjuvants respectueux de l’environnement qui doivent se substituer à des produits soumis à autorisation REACH. Elle a pour but de mettre en évidence les propriétés de mortiers enrichis d’un adjuvant fabriqué à partir de produits extracellulaires issus de bactéries selon un protocole original. Ce travail consiste en l’étude des caractéristiques de mortiers bioadjuvantés dans le but de développer l’usage de bétons plus éco‐respectueux en améliorant leurs compositions chimiques et leur durabilité. L’action du
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Books on the topic "Workability and strength"

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Rhude, Kathryn. Optimal design of a backfill mixture with respect to strenght and workability. Laurentian University, School of Engineering, 1999.

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Bilgin, Nuh, Hanifi Copur, Cemal Balci, and Deniz Tumac. Strength, Cuttability, and Workability of Coal. Taylor & Francis Group, 2018.

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Bilgin, Nuh, Hanifi Copur, Cemal Balci, and Deniz Tumaç. Strength Cuttability and Workability of Coal. Taylor & Francis Group, 2020.

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Bilgin, Nuh, Hanifi Copur, Cemal Balci, and Deniz Tumac. Strength, Cuttability, and Workability of Coal. Taylor & Francis Group, 2018.

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Bilgin, Nuh, Hanifi Copur, Cemal Balci, and Deniz Tumac. Strength, Cuttability, and Workability of Coal. Taylor & Francis Group, 2019.

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Bilgin, Nuh, Hanifi Copur, Cemal Balci, and Deniz Tumac. Strength, Cuttability, and Workability of Coal. Taylor & Francis Group, 2018.

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Strength, Cuttability, and Workability of Coal. Taylor & Francis Group, 2018.

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Evans, Ivor, and C. D. Pomeroy. Strength, Fracture and Workability of Coal: A Monograph on Basic Work on Coal Winning Carried Out by the Mining Research Establishment, National Coal Board. Elsevier Science & Technology Books, 2013.

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Gault, Rosette. Paperclay. Bloomsbury Publishing Plc, 2013. http://dx.doi.org/10.5040/9781789942682.

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Discover the world of possibilities offered by paperclay with basic and more advanced techniques. Now firmly established in the ceramics world, paperclay is a vital part of the modern clay artist and potter's repertoire. The workability of this material allows expressive freedom and imagination at every stage in the creative process, from wet to dry. Paperclay, made with new or recycled paper, is remarkable for its flexibility, unfired strength, and the ease with which it can be repaired, and allows the creation of beautiful finished forms. In this book, pioneering artist, researcher and teach
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Book chapters on the topic "Workability and strength"

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Faridmehr, Iman, Ghasan Fahim Huseien, Mohammad Hajmohammadian Baghban, and Håvard Lund. "Effect of Discarded Rubber Tire Crumbs and Tile Ceramic Waste Powder on Workability and Strength Properties of Geopolymer Concrete." In Lecture Notes in Civil Engineering. Springer Nature Switzerland, 2025. https://doi.org/10.1007/978-3-031-69626-8_30.

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AbstractCurrently, geopolymers are introduced as sustainable construction materials with high durability performance and lower carbon dioxide emission. This experimental work prepared geopolymer concrete specimens with 30, 40, 50, 60, and 70% of tile ceramic waste powder (TCWPs) as ground blast furnace slag (GBFS) replacement. Then, the natural coarse and fine aggregates, including crushed stone and river sand, were replaced by 10, 20, and 30 vol% of discarded rubber tire crumbs (DRTCs). The effect of TCWPs and DRTCs inclusion on the geopolymer matrix workability, compressive strength, and spl
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Ma, Xiangwei, Xiuzhi Zhu, Junjie Zeng, Shangchuan Zhao, and Longlong Liu. "Experimental Study on the Effect of Mixing Time on the Performance of High Strength Concrete." In Lecture Notes in Civil Engineering. Springer Nature Singapore, 2024. http://dx.doi.org/10.1007/978-981-97-4355-1_76.

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AbstractTo solve the problem of concrete quality caused by non-standard mixing time of high-strength concrete and improve the durability life of concrete structures, based on the working performance and mechanical properties of concrete, effect of mixing time on the workability and strength was studied. In this paper, for high-strength concrete with water-binder ratios of 0.31 and 0.38, the mixing time was 120 s, 160 s, 180 s and 240 s. The effects of different mixing times on the fluidity, cohesion and water retention of high-strength concrete and the compressive strength of 28 days were stud
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Dvorkin, Leonid, Vadim Zhitkovsky, Oleh Bordiuzhenko, and Yuri Ribakov. "Designing High-strength Concrete Compositions with Specified Values of Strength and Workability." In High Performance Concrete Optimal Composition Design. CRC Press, 2023. http://dx.doi.org/10.1201/9781003357865-6.

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Liu, Zhenchao. "Effect of Machine-Made Sand Rate on the Compressive Strength, Workability, and Impermeability of Sleeper Concrete." In Lecture Notes in Civil Engineering. Springer Nature Singapore, 2024. http://dx.doi.org/10.1007/978-981-97-4090-1_13.

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AbstractThe exploitation and utilization of river sand along the SGR Phase II A Project in Kenya was rare. This work aims to explore the effect of the machine-made sand rate on the compressive strength, workability, and impermeability of sleeper concrete. The research demonstrated that the 28d compressive strength (46.30 MPa) of sleeper concrete (KD-45) were the optimal when the machine-made sand rate in the sleeper concrete was 45%. These results indicated that the compactness of the KD-45 was improved, leading to an increase in compressive strength. The slump (175 mm) and extensibility (455
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Beushausen, Hans, Zaid Manuel, Joanitta Ndawula, and Dyllon Randall. "Feasibility of Utilizing Treated Domestic Wastewater (TDW) for the Production of Concrete." In Lecture Notes in Civil Engineering. Springer Nature Switzerland, 2025. https://doi.org/10.1007/978-3-031-69626-8_20.

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AbstractFreshwater scarcity is expected to become one of the biggest concerns globally, with the construction industry accounting for as much as 30% of global freshwater use over the life cycle of civil infrastructure today. Water management and its potential to practically alleviate water scarcity and increase the sustainability of concrete therefore need more consideration in scientific research. Existing research suggests that non-potable water such as treated domestic wastewater (TDW) could be used to produce structurally sound concrete for the construction industry. Consequently, this res
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Kishore, Kamal. "Workability and Compressive Strength of Cement Concrete Prepared Using Al2O3 Nanoparticles." In Intelligent Manufacturing and Energy Sustainability. Springer Nature Singapore, 2023. http://dx.doi.org/10.1007/978-981-19-8497-6_56.

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Guo, Liangyu, Fushan Ma, and Binhui Zhao. "Study on the Durability of Manufactured Sand Concrete with the Change of Mix Proportion Parameters." In Lecture Notes in Civil Engineering. Springer Nature Singapore, 2024. https://doi.org/10.1007/978-981-97-6238-5_9.

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AbstractCement, aggregate, mineral admixture, concrete admixture, and mixing water were used as the main raw materials to prepare manufactured sand concrete. By adjusting the proportioning parameters of manufactured sand concrete, such as sand ratio and water-cement ratio, the influence of proportioning parameters on the durability of manufactured sand concrete was studied. Experimental results show that when the sand ratio is between 0.38 and 0.44, the mechanism of sand best workability and durability of the concrete strength, the best value for the mechanism of sand concrete, sand ratio rang
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Law, D. W., C. Gunasekara, and S. Setunge. "Use of Brown Coal Ash as a Replacement of Cement in Concrete Masonry Bricks." In Lecture Notes in Civil Engineering. Springer Nature Singapore, 2023. http://dx.doi.org/10.1007/978-981-99-3330-3_4.

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AbstractPortland cement production is not regarded as environmentally friendly, because of its associated high carbon emissions, which are responsible for 5% of global emissions. An alternative is to substitute fly ash for Portland cement. Australia has an abundance of brown coal fly ash, as it is the main source of primary energy in the State of Victoria. Currently, the majority of this material is stored in landfills and currently there is no commercial use for it in the cement industry because brown coal fly ash cannot be used as a direct replacement material for Portland cement due to the
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Olasehinde, O. S., A. D. Garkida, C. M. Gonah, and Y. D. Amartey. "Effect of Waste Glass and Waste Tyre on the Workability and Strength of Concrete." In The Minerals, Metals & Materials Series. Springer Nature Switzerland, 2023. http://dx.doi.org/10.1007/978-3-031-22524-6_65.

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Leela Sai Rangarao, M., Arup Kumar Mohapatra, and Bulu Pradhan. "A Study on Workability, Strength and Microstructure of Geopolymer Composites Made with Sustainable Materials." In Sustainable Environment. Springer Nature Singapore, 2023. http://dx.doi.org/10.1007/978-981-19-8464-8_12.

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Conference papers on the topic "Workability and strength"

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Ullah, Zeeshan, Muhammad Khurram Rashid, Saima Shafi Ur Rehman, and Maryam Sadia. "The Impact of Silica Fume on the Properties of High-Strength Concrete: Enhancing Strength, Workability, and Durability." In 14th International Civil Engineering Conference. Trans Tech Publications Ltd, 2025. https://doi.org/10.4028/p-c0xt2l.

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Concrete is a fundamental component of many structures and the backbone of the construction industry. While normal-strength concrete is typically used for smaller projects, high-strength, and even ultra-high-strength concrete are increasingly employed in large-scale construction. This type of concrete provides greater structural strength and reduces costs by minimizing the size of structural members compared to normal-strength concrete. High-strength concrete offers additional benefits such as enhanced durability, reduced permeability, and improved resistance to environmental conditions. High-
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Snow, Patrick A. "Corrosion Performance of Titanium Grade 38." In CORROSION 2007. NACE International, 2007. https://doi.org/10.5006/c2007-07183.

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Abstract Titanium Grade 38 (Ti-4Al-2.5V) has good cold-workability and exhibits relatively high ductility similar to Titanium Grade 9 (Ti-3Al-2.5V), but has strength properties approaching that of Titanium Grade 5 (Ti-6Al-4V). Grade 38, which was originally developed for industrial and armor applications, has higher strength than most other titanium grades and can be used in higher temperature applications up to 600 °F. Results of crevice corrosion, U-bend, and general corrosion tests in various different media are discussed in this paper. These tests were conducted in order to better understa
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Ali, Sameer, and Rana Muhammad Waqas. "Effect of Bentonite &amp; Polypropylene Fibres on Fresh and Hardened Properties of Geopolymer Concrete with Slag and Alkali Solution." In Technology Enabled Civil Infrastructure Engineering & Management Conference. Trans Tech Publications Ltd, 2025. https://doi.org/10.4028/p-sua4eq.

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The construction industry significantly contributes to global CO2 emissions and environmental impact, mainly due to concrete usage, which consumes vast resources and energy while emitting CO2. Researchers are exploring alternatives such as geopolymer concrete (GPC), formed without traditional cement but through alkaline activation of industrial by-products like fly ash, ground granulated blast furnace slag, bentonite, and metakaolin clay. This study evaluates the effects of incorporating bentonite and polypropylene (PP) fibers on the workability and strength properties of GPC based on slag. Be
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Kiyama, Taisei, Takashi Yamaguchi, Masaki Okamoto, Hiroto Okuhara, Makoto Ishikawa, and Kenji Yoshida. "Analytical study on increasing slip strength of high-strength threaded stud-welded frictional joint with inorganic zinc-rich painted surface for a thin steel plate." In IABSE Congress, San José 2024: Beyond Structural Engineering in a Changing World. International Association for Bridge and Structural Engineering (IABSE), 2024. https://doi.org/10.2749/sanjose.2024.0411.

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&lt;p&gt;The authors are studying a steel concrete composite slab joint structure improving workability by applying high strength stud bolts. The bottom steel plate is 6mm steel plate, which limits the axial force that can be introduced by the stud bolts to about half that of high-strength bolts. Consequently, compared to the high-strength bolt friction joint, the number of bolts increase, potentially affecting bolt placement and construction. We focused on the tendency of friction coefficient to increase with decreasing contact pressure when the joint surface treatment is inorganic zinc. In t
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Sato, Jun, Hironori Kamoshida, Shinya Imano, Toshihiro Omori, and Kiyohito Ishida. "Alloy Design of Ni-Base Superalloys Aiming for Over 750°C Class A-USC Steam Power Plant." In AM-EPRI 2010, edited by D. Gandy, J. Shingledecker, and R. Viswanathan. ASM International, 2010. http://dx.doi.org/10.31399/asm.cp.am-epri-2010p0386.

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Abstract A new Ni-base superalloy has been developed for Advanced Ultra Super Critical (A-USC) power plants operating above 750°C, targeting reduced CO2 emissions through improved efficiency. While existing research focuses on 700°C-class materials, this study presents a novel alloy design for higher-temperature applications. Using the CALPHAD method, a prototype alloy (Ni-23Co-18Cr-8W-4Al-0.1C) was developed by eliminating Ti, Nb, and Ta to improve hot-workability while maintaining strength. The resulting alloy demonstrates twice the creep strength of Nimonic 263, with an estimated 105 h stea
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Maile, K., F. Kauffmann, A. Klenk, E. Roos, S. Straub, and K. H. Mayer. "Microstructural Characterization of Modern Martensitic Steels." In AM-EPRI 2007, edited by R. Viswanathan, D. Gandy, and K. Coleman. ASM International, 2007. https://doi.org/10.31399/asm.cp.am-epri-2007p0675.

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Abstract TAF steel is a Japanese high-boron 10.5% Cr martensitic stainless steel known for its exceptional high-temperature creep strength. Its high boron content (300-400 ppm) limited practical applications due to reduced hot workability in large turbine components. Recent research suggests that increasing boron content while adjusting nitrogen levels could enhance creep properties by promoting fine vanadium carbonitride formation while preventing boron nitride formation. This study presents microstructural investigations, particularly using transmission electron microscopy, focusing on preci
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Sagara, Masayuki, Yohei Otome, Hisashi Amaya, Shigemitsu Kimura, Masaaki Igarashi, and Masakatsu Ueda. "Development of High-strength Ni Alloy OCTG Material for Sour Environment." In CORROSION 2011. NACE International, 2011. https://doi.org/10.5006/c2011-11109.

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Abstract A new high-strength nickel alloy OCTG with 140ksi (965MPa) grade has been developed for use at high temperature and high pressure corrosive well, using a four point bend-beam test and a slow strain rate tensile test method in the solution containing hydrogen sulfide gas and chloride ion. The new alloy has exhibited equivalent stress corrosion cracking resistance to UNS N08535 of 110ksi (758MPa) grade. In addition, the influence of alloying nitrogen in austenitic alloy as a soluble element on SCC susceptibility has carefully been investigated in this study. Since alloying nitrogen is c
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Imano, Shinya, Jun Sato, Koji Kajikawa, and Tatsuya Takahashi. "Mechanical Properties and Manufacturability of Ni-Fe Base Superalloy (FENIX-700) for A-USC Steam Turbine Rotor Large Forgings." In AM-EPRI 2007, edited by R. Viswanathan, D. Gandy, and K. Coleman. ASM International, 2007. https://doi.org/10.31399/asm.cp.am-epri-2007p0424.

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Abstract To develop 10-ton class forgings with adequate long-term strength and without segregation defects for A-USC steam turbine rotors, researchers modified the chemical composition of Alloy 706 to improve its microstructure stability and segregation properties. The modified Alloy, named FENIX-700, is a γ' phase strengthened alloy without a γ" phase, and its microstructure stability is superior to Alloy 706 at 700°C, as demonstrated by short-term aging tests and phase stability calculations using the CALPHAD method. A trial disk 1-ton class forging of FENIX-700 was manufactured from a doubl
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Park, Cheon Kil, Kamiura Maho, Sang Ki Chi, et al. "High Performance Anti-Abrasion Coating on Ice Breaking Vessel." In CORROSION 2006. NACE International, 2006. https://doi.org/10.5006/c2006-06018.

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Abstract Recently, more ice breaking vessels have been built due to improving world trade. Therefore, these vessels should be designed to withstand both extremely high mechanical impact and abrasion damages sustained while operating in pack ice, in addition to the very corrosive environment. In order to minimize the mechanical damage, the hulls are coated with anti abrasion and low ice friction coatings such as epoxy or solvent free epoxies. All these coatings require the use of special hot feed plural component pumps, high grade surface preparation and coating application procedures and appli
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""Power Ultrasound-Assisted Concrete Production—Workability, Strength Development, and Durability"." In "SP-330: Recent Advances in Concrete Technology and Sustainability Issues Proceedings Fourteenth International Conference Beijing, China". American Concrete Institute, 2018. http://dx.doi.org/10.14359/51711246.

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Reports on the topic "Workability and strength"

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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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Lakshminarasimhaiah, Nishanth, Nayana N. Patil, Nivedita Kumbar, Sravani Kaveti, and Debasish Kar. Influence of E. coli on workability and strength characteristics of self-consolidating geopolymer concrete based on GGBFS, fly ash and alccofine. Peeref, 2023. http://dx.doi.org/10.54985/peeref.2304p2588316.

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Nallar, Melisa, and Amelia Gelina. Enhancing building thermal comfort : a review of phase change materials in concrete. Engineer Research and Development Center (U.S.), 2023. http://dx.doi.org/10.21079/11681/47679.

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The DoD accounts for over 1% of the country’s total electricity consumption. However, DoD bases heavily rely on vulnerable commercial power grids, susceptible to disruptions from outdated infrastructure, weather-related incidents, and direct attacks. To enhance energy efficiency and resilience, it is imperative to address energy demand in buildings, especially heating and cooling. This study focuses on phase change materials (PCMs) incorporated into concrete to enhance thermal control and reduce energy consumption. Though PCMs have shown promise in heat transfer and energy storage applications
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Huang, Cihang, Yen-Fang Su, and Na Lu. Self-Healing Cementitious Composites (SHCC) with Ultrahigh Ductility for Pavement and Bridge Construction. Purdue University, 2021. http://dx.doi.org/10.5703/1288284317403.

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Cracks and their formations in concrete structures have been a common and long-lived problem, mainly due to the intrinsic brittleness of the concrete. Concrete structures, such as rigid pavement and bridge decks, are prone to deformations and deteriorations caused by shrinkage, temperature fluctuation, and traffic load, which can affect their service life. Rehabilitation of concrete structures is expensive and challenging—not only from maintenance viewpoints but also because they cannot be used for services during maintenance. It is critical to significantly improve the ductility of concrete t
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