If you are unable to download any of the topics mentioned below, you can mail to the admin to get the soft copy of the topic of your interest. The effect of silica fume on the principal properties of concrete. The effect of silica fume on the properties of concrete. Never batch the silica fume alone or first into the mixer. Silica fume is a byproduct in the carbothermic reduction of highpurity quartz with carbonaceous materials like coal, coke, woodchips, in electric arc furnaces in the production of silicon and ferrosilicon alloys. Are you looking for seminar report on advanced construction material micro silica in concrete ppt advanced construction material microsilica in concrete seminar. Reactive power concrete seminar report projects and seminars. Compared to the other ingredients in concrete, the amount of silica used is small.
Also explore the seminar topics paper on decorative concrete with abstract or synopsis, documentation on advantages and disadvantages, base paper presentation slides for ieee final year civil engineering ce or ieee civil construction btech, be, mtech students for the year 2017 2018. Polymer modified steel fibre reinforced concrete abstract polymer cement concretes muscular tensile strength, excellent ductile behaviour and high impact resistance capability due to the formation of a threedimensional polymer network through the hardened cementitious matrices. Silica fume concrete concrete cement free 30day trial. Additional of silica fume as an artificial pozzolanic admixture requires more water for concrete micro silica makes the concrete sticky in nature and hard to handle, flow of rpc and mrpc as measured workability. Four silica fume concrete mixes with silica fume contents of 5%, 10%, 15%, and 20% of the total cementitious material content were prepared along with one plain portland cement concrete mix and.
Explore ready mix concrete with free download of seminar report and ppt in pdf and doc format. Also explore the seminar topics paper on silica fume with abstract or synopsis, documentation on advantages and disadvantages, base paper presentation slides for ieee final year civil engineering ce or ieee civil construction btech, be, mtech students for the year 2017 2018. Effec t of micro silica on the properties of ha rdened concrete. Explore decorative concrete with free download of seminar report and ppt in pdf and doc format. These properties indicated silica fume concrete would have a number of advantages when used for the repair of concrete structures. Study on properties of modified reactive powder concrete. Seminar presentation is a key element for each engineering student to have more communication skills and develop leadership qualities. Pdf characteristics of silicafume concrete researchgate. Effect of micro silica on the properties of hardened concrete. Final report evaluation of latexmodified and silica fume concrete overlays placed on six bridges in virginia michael sprinkel, p. Silica fume concrete silica fume is an artificial pozzolona having high pozzolonic activity. A project report on behaviour of concrete by partial replacement of coarse aggregate with recycled plastic granules. We civil engineers have lots of stuff to do throughout the degree.
Ready mix concrete seminar report, ppt, pdf for civil. Tests were performed on some 40 mixes made using silica fume as a replacement for cement in quantities of 15, 20, and 30 percent. Workability water demand increases in proportion to the amt of silica fume added. Silica fume is available from suppliers of concrete admixtures and, when specified, is simply added during concrete production. This report describes the physical and chemical properties of silica fume. Fict, dip m, chartered mcim, dms consultant, united kingdom keywords. Making silica fume concrete in the laboratory silica fume must always be added with the coarse aggregate and some of the water. The longterm compressive strength of silicafume concrete has been recently questioned by some researchers. The report provides detailed information and references for further reading, on the effect of these. Numerous studies have been carried out on use of silica fume as an. Study of concrete containing silica fume and activated. Silica fume is a byproduct from electric arc furnaces used in the manufacture of silicon metal of silicon alloys. Much research has been carried out to this point regarding the effects of silica fume on concrete, and it has been made clear that silica fume additions are effective in improving strength characteristics, resistance to. Download full seminar topics for civil engineering pdf in doc, pdf or ppt format.
Also explore the seminar topics paper on effect of cement replacement by silica fume and fly ash with abstract or synopsis, documentation on advantages and disadvantages, base paper presentation slides for ieee final year civil engineering ce or ieee civil. The increase in water demand of concrete containing silica fume is about 1% for every 1% cement substituted workability is the ease with which a concrete mix can be handled. Burnett csr days drying time microstrain 0 10203040 50607080 90 0 200 400 600 800 90 mpa 80 mpa 60 mpa figure 7 teamwork for silica fume high strength. The utilization of silica fume in concrete as partial replacement of cement is gaining immense importance these days, mainly on account of the improvements in the long term durability of concrete.
When used to produce highperformance concrete, silica fume is. Silica fume gives very good improvement of the rheological as well as the mechanical and chemical properties. The first publiclybid project using silicafume concrete was done by the corps of engineers in late 1983 holland et al. It is an excellent for use as a portland cement supplement. Akshara desai said thats really nice to know that how some people come out with so many different approaches on a topic like this. The latter evidence is used to support the theory that silica fume strengthens concrete by strengthening the bond between cement paste and aggregate. For rpc concrete, the silica fume and cement were mixed in dry state for about 3 minutes to disperse the silica fume particles throughout the cement particles, then the sand was added and the mixture was mixed for 5 minutes. For instance, it has higher compressive and flexural strength. The civil topic of the seminar you selected will determine your favourite civil engineering subject. Guide for silica fume in concrete aci 234r96 reapproved 2000.
Introduction the use of pozzolanic materials is an old as that of the art of concrete construction. Effect of cement on silica fume and flyash seminar reports. These compounds have a more tensile strength to compress, more toughness and more absorption of energy. Reports have been presented over the last years dealing with the decrease of strength of. Jan 26, 2017 silica fume concrete silica fume is an artificial pozzolona having high pozzolonic activity.
Rid of this confusion by giving you many civil eng seminar topics with report. Provided silica fume high strength concrete is cured for 24hrs shrinkage is likely to be similar or less than normal concrete. Add the portland cement and any other cementitious material such as fly ash or. Seminar report on effect of fly ash and silica fume on concrete. Founded in 1904 and headquartered in farmington hills, michigan, usa, the american concrete institute is a leading authority and resource worldwide for the development, dissemination, and adoption of its consensusbased standards, technical resources, educational programs, and proven expertise for individuals and organizations involved in concrete design. Effect of cement on silica fume and flyash seminar.
Silica fume on the properties of concrete as defined in concrete society report 74, cementitious materials des king hon. Concrete containing silica fume can have very high strength and can be very durable. The combustion process creates silicon dioxide molecules, which condense to form particles. Also explore the seminar topics paper on ready mix concrete with abstract or synopsis, documentation on advantages and disadvantages, base paper presentation slides for ieee final year civil engineering ce or ieee civil construction btech, be, mtech students for the year 2017 2018. The use of silica fume concrete for fulldepth bridge deck. Research in the late 1960s showed that the use of silica fume microsilica as a partial replacement for cement in concrete mixes produced a dense concrete. Placing, finishing, and curing silica fume concrete require special attention on the part of the concrete contractor. Seminar presentation is a key element of civil engineering. Figure 6 shrinkage of silica fume high strength concrete. Silica fume seminar report, ppt, pdf for civil engineering.
Placing, finishing, and curing silicafume concrete require special attention on the part of the concrete contractor. The resulting concrete mix becomes strong, durable and economical and also ecofriendly as it utilizes an ecological hazardous material. Researchers have reported that silica fume smaller in size and round shape fills the voids between the coarser cement particles which may be otherwise occupied with water. The steel fiber reinforced concretes are the building materials which are more significance very fast because of the enhancing demand for high building properties in the building materials. Study on compressive strength and permeability of pervious.
Pdf since advent of civilization various types of cementitous materials have been used for constructiuon. Download full civil engineering seminars in doc, pdf or ppt format. Dec 15, 2015 concrete containing silica fume can have very high strength and can be very durable. Explore effect of cement replacement by silica fume and fly ash with free download of seminar report and ppt in pdf and doc format. Decorative concrete seminar report, ppt, pdf for civil. Silica fume, cstr74, properties of concrete, effects, cementitious materials, high performance. Seminar topics for civil engineering with ppt and report 2020. Thanks for sharing such a nice information you can also visit our website for more details on silica fumes manufactures in india. International jour nal of engineering research and development, vol. The optimum percentage of silica fume comes out to be 10%. Mixing of concrete all rpc mixes were performed in a rotary mixer of 0. Mar 14, 2015 polymer modified steel fibre reinforced concrete seminar and ppt with pdf report.
Selfcompacting concrete scc is an innovative concrete that does not. Research manager the opinions, findings, and conclusions expressed in this report are those of the author and not necessarily those of the sponsoring agencies. Seminar report on concrete blocks hemine mining machinery. Dec 30, 20 seminar topics on effect of fly ash and silica fume on concrete. Pdf effect of silica fume in concrete researchgate. Because of its extreme fineness and high silica content, silica fume is a very effective pozzolanic material. Research manager introduction latexmodified lmc and silica fume sf concrete overlays were placed on six bridges on i95 south of emporia, virginia, in the fall of 1994. After optimizing the percentage of silica fume, the silica fume is then blended with fly ash, keeping the percentage of cement fixed. Powerpoint presentations and detailed seminar reports. It has been amply demonstrated that the best pozzolans in optimum proportions moxed with portland cement improves many qualities of concrete.
The naturally occurring amorphous silica was activated by first treating it with alkali, after which it was neutralized by acid treatment. Properties of the fumed silica and silica fume have been shown in table 1. Name % of ggbfs % of silica fume m1 05 05 m2 graph 1. Fumed silica is being used in various fields such as pharmaceuticals, paints, adhesives and sealants, plastics, rubber and ink except for concrete. A properly proportional fly ash and silica fume in concrete mix improves properties of the concrete that may not be achievable through the use of portland cement alone. The exact addition rate depends on the specific performance characteristic to be improved. The durability of this type of concrete is superior to conventional concrete. The physical properties of concrete with additions of silica fume and activated natural amorphous silica were investigated. The material, which contains more than 80% silica in the form of extremely fine particles 0. Guide to quality control and testing of high strength concrete aci 363. Silica fume, cstr74, properties of concrete, effects, cementitious materials, high performance concrete. Home civil engineering seminar topics reactive power concrete seminar report. Ggbs is a fine granular mostly latent hydraulic binding material, which can also be added to scc to improve the rheological properties. Civil engineering seminar topic, latest topics for seminar.
Reactive power concrete seminar report projects and. Europe first applied silica fume to concrete, and it has been used for 30 years in the commercial application of silica fume in the united states. There are so many seminars, project reports, vivas and exams in our complete engineering degree. Steel fibre reinforced concrete seminar ppt with pdf report. Silica fume concrete is composed of cement, silica fume, fine aggregate, coarse aggregate, and water. Tests were performed on some 40 mixes made using silica fume as a replacement for. But higher replacement of cement by silica fume gives lower strength. With the proper use of silica fume not only the mechanical properties can be improved, but also the durability of concrete.
This study is designed to explain the contradictory evidence and establish the role played by. In this study compressive and flexural strengths of reactive powder concrete rpc with modified reactive powder concrete mrpc are compared by taking different proportions of. The reactive powder concrete has compressive strength which ranges from two hundred mpa to eight hundred mpa. Silica fume concrete seminar report silica fume for sale. Seminar report on effect of fly ash and silica fume on.
Collection of seminar topics for civil engineering pdf. Silica fume concrete sky bus smart material actuators smart material and smart structures. In the present study, the effect of addition of a mix of silica fume and activated natural silica on the properties of concrete was investigated. Silica fume high strength concrete scancem materials. Polymer modified steel fibre reinforced concrete seminar. Final report evaluation of latexmodified and silica fume concrete overlays placed on six bridges in virginia michael m. Reactive powder concrete rpc is an emerging modern composite matter with the aim of allowing the concrete manufacturing and production to optimize material utilization. Silica fume concrete introduction silica fume is also referred to as micro silica or condensed silica fume but the term silica fume has been generally accepted the addition of ultra fine particles in concrete improves strength of concrete the optimum proportion of silica fume is found in between 20% and 25% by weight of concrete. Stateoftheart report on highstrength concrete aci 363r92 reapproved 1997. It was recognized long time age, that the suitable pozzolona used in appropriate amount, modify certain properties of fresh and hardened mortars and.
Seminar topics for civil engineering with ppt and report 2020, get seminar ppt and report in pdf format for free download. Polymer modified steel fibre reinforced concrete seminar and ppt with pdf report. The flow initially increases in silica fume content and then decreases after certain level because of water. Efficient utilization of industrial waste in highway.
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