Electrical resistivity is a property associated with both the physical and chemical characteristics of concrete. Compression test on concrete building research institute. O valor in situ da resistencia a compressao do betao foi determinado. Effects of antigraffiti protection on concrete durability. Three, 5 and 3 specimens respectively were tested at each age.
Also, soil on which structures are founded can be considered as a structural material as it gets loaded. The compressive strength test was performed according to np en 123903. Freshstate properties of selfcompacting mortar and concrete. The flexural strength of sfrscc was obtained by 3point load tests on beams with a cross section of 100 x 100mm, simply supported with a span of 450mm, according to the recommendations of rilem tc 162tdf 15. Making and curing specimens for strength tests the european standard en 123902. Dec 23, 2014 issuu is a digital publishing platform that makes it simple to publish magazines, catalogs, newspapers, books, and more online.
Upgrade to access downloads guide to create your vip account home codes british standards bs en 123903 2009 testing hardened concrete part 3, compressive strength. Download our bs en 12390 3 2002 pdf ebooks for free and learn more about bs en 12390 3 2002 pdf. Steel, concrete and brick masonry are the major types of structural material used in civil engineering construction. Durability properties of structural concrete incorporating. The concrete was crushed on the 35th day, using a small jaw crusher, which produced aggregates with a maximum nominal size of 38. Seven, 28 and 56day compressive strength was evaluated in 150 mm cubes, in accordance with np en 123903. Issuu is a digital publishing platform that makes it simple to publish magazines, catalogs, newspapers, books, and more online. These books contain exercises and tutorials to improve your practical skills, at all levels. While much research has been presented on concrete performance with. Evaluation of the performance of shotcrete in structural. Compressive strength of test specimens publication year 2009. Bs en 123903 2009 testing hardened concrete part 3.
Are you sure you want to remove this from your watching list. The flexural strength of sfrscc was obtained by 3 point load tests on beams with a cross section of 100 x 100mm, simply supported with a span of 450mm, according to the recommendations of rilem tc 162tdf 15. Six cylindrical concrete specimens with 150 mm of diameter and 300 mm of height of each concrete batch were used to evaluate the modulus of elasticity and compressive strength through the lnec e3971993. All bsi british standards available online in electronic and print formats. Juma, juma mussagy meque, ericson mantrujar supete, supete ali vawa. Description download bs en 123502 2009 testing fresh concrete. This is usually established using timedependent mathematical models, developed through performancebased methodologies in guidelines and european and. No copying without nsai permission except as permitted by law.
Easily share your publications and get them in front of issuus. Seven, 28 and 56day compressive strength was evaluated in 150 mm cubes, in accordance with np en 12390 3. It allows the evaluation of the greater or lesser difficulty with which aggressive substances penetrate the concrete. Discover everything scribd has to offer, including books and audiobooks from major publishers. A read is counted each time someone views a publication summary such as the title, abstract, and list of authors, clicks on a figure, or views or downloads the fulltext. The urgent need to change the less positive impacts of the construction industry on the environment, and more specifically the production and use of concrete, is the main motivation for the research for more efficient and environmentally sustainable solutions. Also, soil on which structures are founded can be considered as a structural material as it gets loaded too. Compressive strength tests were carried out on three samples o110 h220 mm for each concrete at 28, 60, 180 and 270 days, following the standard nf en 123903 20. Bs en 125041 specifies a method for taking cores from hardened concrete, their examination, preparation for testing and determination of compressive strength. A concrete mix with ceramic sand and granite aggregates were also prepared as. Pdf effects of antigraffiti protection on concrete. The influence of selfcompacting steel fibre reinforced. The test was carried out on 150mm cubic edge specimens, as well as 150mmdiameter and 300mmhigh cylindrical specimens.
To determine the compressive strength of shotcrete two types of study were performed in parallel. Registase a carga maxima suportada pelo provete e calculase a resistencia a. Durability properties of structural concrete incorporating fine aggregates from the waste marble industry 6 figure 1 slump test by abrams cone figure 1 shows that the established range of 125 15 mm was achieved and all the mixes were within the np en 2061 s3 consistence class. Durability of concrete containing a natural pozzolan as. Tose naina mp3 song download mickey virus tose naina song by arijit singh on.
Compressive strength of lightweight polymer mortar containing waste cork was higher than that of normal mortar as reported by novoa et al. Concrete using agrowaste as fine aggregate for sustainable. Technologia recyklingu na zimno z zastosowaniem mieszanek mineralnocementowoemulsyjnych polega na frezowaniu zniszczonych drogowych warstw asfaltowych i wymieszaniu uzyskanego rozdrobnionego materialu, zwanego destruktem, z kruszywem lamanym, cementem i emulsja asfaltowa w urzadzeniach stacjonarnych lub na wykonaniu wszystkich czynnosci. This is usually established using timedependent mathematical models, developed through performance. For each reference and age, three specimens were molded and tested at 7, 28, and 91 days. The percentage increment and reduction with relative to control beam at 5%, 10%, 15%, and 20% were 5. Aug 11, 2011 reinforced concrete rc structures subjected to aggressive environmental exposure conditions are traditionally designed to satisfy safety, serviceability, durability and aesthetics requirements throughout their operational design service life. The elastic moduli were determined according to rilem recommendations cpc8 21. A presente norma resultou da revisao da np en 2061.
Reinforced concrete rc structures subjected to aggressive environmental exposure conditions are traditionally designed to satisfy safety, serviceability, durability and aesthetics requirements throughout their operational design service life. Compressive strength of test specimens british standard this european standard specifies a method for the determination of the compressive strength of test specimens of hardened concrete. Several concrete mixes possessing a target mean compressive strength of 30 mpa were prepared with 20% cement replacement by ceramic powder wb 0. Mechanical behaviour of concrete made with fine recycled. Fresh concrete was tested for workability and specific density according to np en 123502 and np en 123506, respectively. Electrical resistivity and capillarity of selfcompacting. The specimens were cured under water at a temperature equal to 18 1 c until 1. Evaluation of characteristics of concrete mixed with. The results obtained satisfied the limit of between 3 4mpa based on bs en 123905 2009 for grade 25 concrete except for percentage replacement at 20% bla content.
This paper presented the results of an experimental campaign whose ultimate goal was to produce highperformance selfcompacting. Four concrete mixturesolutions from sfrscc mix design with the proportions shown in table 1 were used in this. To view the content of other pages click on the transfer page icon. Sample specification download sample specifications and see whats possible with nbs chorus case studies find out how our customers use our software and services authors meet some of our specialists and contributors training interactive training courses and educational material, to help you get the most. Research and practical experience have shown that partial replacement of cement by metakaolin improves concrete durability as a result of the refinement of the pore structure. Our policy towards the use of cookies techstreet, a clarivate analytics brand, uses cookies to improve your online experience. The basic characteristics of concrete included compressive strength and elastic moduli. Sample specification download sample specifications and see whats possible with nbs chorus case studies find out how our customers use our software and services authors meet some of our. Compressive strength and durability properties of ceramic. Properties of various kinds of above mentioned materials along with its constituents can be assessed by means of. The aggregates were then separated according to their dimension, by mechanical sieving, and only the fractions between 0. This paper presents an experimental study on the properties and on the durability of concrete containing ceramic wastes. If the link fails, the document cannot be downloaded, please click on the broken link to let us know. Bs en 125041 does not give guidance on the decision to drill cores or.
Apr 21, 2010 this paper presents an experimental study on the properties and on the durability of concrete containing ceramic wastes. Figure 1 relationships between en 2061 and standards for design and execution, standards for constituent materials and test standards 7 figure k. They were placed on your computer when you launched this website. The effect of superplasticisers on the workability and. Freshstate properties of selfcompacting mortar and. Polymers free fulltext flexural strengthening of rc.
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