In general, concrete mixes are designed in order to achieve a defined workability, strength and durability. Nptel syllabus concrete engineering and technology. High performance concrete seminar report, ppt, pdf for. Typically, wires or tendons are stretched and then blocked at the ends creating compressive stresses throughout the members entire crosssection. Download link is provided and students can download the anna university ce6002 concrete technology ct syllabus question bank lecture notes syllabus part a 2 marks with answers part b 16 marks question bank with answer, all the materials are listed below for the students to make use of it and score good maximum marks with our study materials. Bhattacharjee, department of civil engineering,iit delhi.
Cel 774 construction practises mix design of concrete. The deformation shows the characteristics of concrete with respect to tendency for segregation. Introduction the potential strength and durability of concrete of a given mix proportion is very dependent on the degree of its compaction. Mar 25, 2018 this video is the explainer video related to concrete technology subject in civil engineering. The course on concrete technology focuses on concrete making materials including supplementary cementitious materials. Ce6002 concrete technology ct syllabus unit i constituent materials. Additional information on workability and quality of concrete can be obtained by observing the manner in which concrete slumps. Good workability is required to produce concrete that is both economical and high in quality. In the future, it can be expected that computational tools allowing for the prediction of the effect of casting on hardened properties will be developed. Through a series of chemical reactions called hydration, the paste hardens and gains strength to form the rocklike mass known. Table 172 lists properties that can be selected for highperformance concrete. Batching, mixing, transporting, and handling concrete.
Bhattacharjee, department of civil engineering, iit delhi. This video is the explainer video related to concrete technology subject in civil engineering. Properties of concrete cohesiveness, hardness, workability. Going through the course one would develop firsthand knowledge on concrete production process and properties and uses of concrete as a modern material of. Nptel video lectures, iit video lectures online, nptel youtube lectures. Properties of fresh workability hardened concrete workability,permiablitiy,durablility thermal properties microcracking of concrete mix design rheology slideshare uses cookies to improve functionality and performance, and to provide you with relevant advertising. Inspect all materials used in the construction of concrete. Properties of fresh and hardened concrete sciencedirect. Cementdifferent typeschemical composition and properties tests on cementis specifications aggregatesclassificationmechanical. Concrete mix design is the process of selecting suitable ingredients of concrete and determine the relative proportions to produce concrete with certain performance and durability requirements. This is the most important property of fresh concrete. Pdf ce6002 concrete technology ct books, lecture notes. Batching, mixing, transporting, and handling concrete, chapter 10.
Lecture 24 prestressed concrete prestressed concrete refers to concrete that has applied stresses induced into the member. It is vital, therefore, that the consistency of the mix be such that the concrete can be transported, placed, and finished sufficiently early enough to attain the expected strength and durability. Quality of concrete can also be further assessed by giving a few tappings or blows by tamping rod to the base plate. Its utility and verstatility is achieved by combining the best features of concrete and steel. However, the limit state method, though semiempirical approach, has been found to be the best for the design of reinforced concrete structures see sec. Concrete technology lec01 hardened concrete, test on. Strength of concretestrength of concrete strengthstrength ofof concreteconcrete isis commonlycommonly consideredconsidered itsits mostmost valuablevaluable property,property, althoughalthough inin manymany practicalpractical cases,cases, otherother characteristics,characteristics, suchsuch asas. Building materials,construction planning department of civil.
Different concrete mix designs with different materials, even with the same proportions, can have significantly different properties of strength and. Watercement ratio is by far the most important factor. Properties of concrete concrete has many properties that make it a popular construction material. The paste, composed essentially of portland cement and water, coats the surface of the fine small and coarse larger aggregates. Workability that property of freshly mixed concrete that. Properties of concrete concrete is an artificial conglomerate stone made essentially of portland cement, water, and aggregates. Concrete basicsaims to provide a clear, concise explanation of all aspects of making quality concrete. Highperformance concrete specifications ideally should be performance oriented. Types production methods uses in construction properties and related tests of the following materials of construction. This is because, compared to most other properties, testing of strength is relatively easy. Here below list shows the mostly used concrete technology books by students of top universities, institutes and colleges. Concrete properties this video shows the concrete properties. It can be manufactured by any of the following methods. The top and best concrete technology books collection are listed in the below table as well as concrete technology books pdf download link.
Ready mix concrete seminar report, ppt, pdf for civil. During service, the quality of concrete provided by initial curing can be improved by subsequent wetting as in the cases of foundations or water retaining structures. Segregation resistance is a desirable property in concrete. 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. Properties of fresh and hardened concrete request pdf.
Concrete production process also forms a part of the discussion. Strength and durability evaluation of recycled aggregate. Therefore, mixes are designed on an empirical basis, often with the help of trial mixes. Concrete design this videos introduces the properties of concrete used in reinforced concrete design. More civil engineering related videos will be uploaded in future. Aggregate strength, gradation, absorption, specific gravity, shape and texture are some of the physical and mechanical characteristics that contribute to the strength and durability of concrete.
Rheology of concrete rheological parameters of fresh. Strength and its significance definition the strength of a material is defined as the ability to resist stresses without failure, which is sometimes identified with the appearance of cracks. Explore high performance concrete with free download of seminar report and ppt in pdf and doc format. Thus, the objective of this manual is to make the students aware of different tests required to be performed for these materials as per indian standards and the acceptable limiting values. The slump is 2550 mm for low workability, 50100 mm for medium workability and 100175 mm for high workability. Properties of fresh concrete strength of materials. Concrete mix design definition concrete mix design is defined as the appropriate selection and proportioning of constituents to produce a concrete with predefined characteristics in the fresh and hardened states.
Indian institute of technology kanpur department of civil. Significance in concrete design and quality control, strength is the property generally specified. Syllabus, question banks, books, lecture notes, important part a 2 marks questions and important part b 16 mark questions, previous years question papers collections. Concrete introduction concrete is a composite with properties that change with time.
Concrete with rubber aggregate has also been recommended for applications such as trench filling and pipe bedding, low strength flowable concrete, nailing concrete and stone backing. Rheology of concrete rheological parameters of fresh concrete. It is hoped that the material will also be useful to teachers and practitioners. Recycled aggregate an overview sciencedirect topics. Civil concrete technology lectures notes concrete definition in its simplest form, concrete is a mixture of paste and aggregates rocks. Concrete posses different properties, and in this lecture we highlighted some important. The top and best concrete technology books collection are listed in the below table as well as concrete technology books pdf download link please note. Fundamental of concrete constituents, proportioning, mixing, transportation, placing and curing. Laitance should be removed before more fresh concrete is poured across a construction joint. The behaviour and properties of concrete and concrete making materials can be better understood by conducting firsthand experiments in the laboratory. Explore ready mix concrete with free download of seminar report and ppt in pdf and doc format.
Concrete technology notes pdf ct notes pdf eduhub sw. Stability of fresh foamed concrete is controlled by type and volume of foam agent added. The fresh concrete is tamped into a standard cone which is lifted off after filling and the slump is measured. Unfortunately, many specifications are a combination of performance. Course content building stones metals clay products gypsum lime cements mineral aggregates. Pdf concrete technology books collection free download. The compressive strength is a primary function of the desirable density design. Concrete basicsaddresses the needs of unskilled and semiskilled persons undertaking general concreting projects including home and handyman projects. Effect of water cement ratio on concrete properties this video shows the. The fresh properties of concrete are not only important for the performance of a concrete mixture in its fresh state, but they also control the longterm behavior of concrete 10.
Building materials and construction nptel online videos. Not all properties can be achieved at the same time. Jan 20, 2014 properties of fresh workability hardened concrete workability,permiablitiy,durablility thermal properties microcracking of concrete mix design rheology slideshare uses cookies to improve functionality and performance, and to provide you with relevant advertising. The fresh concrete which may be expected to give the best results must possess the property of workability. Normal reinforced concrete requires fresh concrete of medium workability. Lecture series on building materials and construction by dr. Ready mixed concrete is proportioned and mixed off the project site and is delivered to the construction area in a freshly mixed and unhardened state. The most important properties of fresh concrete are discussed. Properties of fresh concrete for construction works workability of concrete concrete workability is the relative ease with which a fresh mix can be handled, placed, compacted, and finished without segregation or separation of the individual ingredients. In addition, the sequence in which they are added to the mix can be important too. Rheology is a term that is mainly used for fluids whose flow properties are complicated in nature, other than fluids like liquids or gases. Reinforced concrete is a strong durable building material that can be formed into many varied shapes and sizes ranging from a simple rectangular column, to a slender curved dome or shell. However, concrete can also deteriorate with time due to physical and chemical attacks.
The method of placing, section dimension and amount reinforcement etc, decides the. Different properties of fresh concrete for construction works. This paper discusses the suitability of producing concrete with 100 % recycled aggregate to meet durability and strength requirements for different applications. The correct proportion of ingredients, placement, and curing are needed in order for these properties to be optimal. Important to the workability of fresh concrete rough textured or at and elongated particles, due to their high surface area, require more water to produce workable concrete than do rounded or cubical aggregates.
Moreover, many other properties of concrete can be deduced from the strength of concrete. This concrete technology books collection list is not the final book list. In designated concrete rc2025 to rc4050, rca can automatically be used at 20% of coarse aggregate mpa, 2011. It was named portland cement because it looked like the. Also explore the seminar topics paper on high performance 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 2015 2016. Workability workability depends on water content, aggregate shape and size distribution, cementitious content and. A summary of properties of concrete containing rubber aggregate can be found in the literature siddique, 2008. The objective of the mix design is to assure that the product has speci. Pdf properties and applications of foamed concrete. Properties of concrete while cement in one form or another has been around for centuries, the type we use was invented in 1824 in britain. The study of rheology of concrete provides information on properties of fresh concrete such as deformation, behavior of mix, and placement of mixed concrete.
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