Therefore, large volumes of fly ash, partially in substitution of cement and partially as filler, can be employed in producing self compacting concrete. Shear walls are constructed to counter the effects of lateral load acting on a structure. Apr 18, 2015 shear walls are vertical elements of the horizontal force resisting system. Performance of glass fibre reinforced self compacting. For concrete to be self compacting it should have filling ability, passing ability and. Form pressure generated by selfcompacting concrete influence of thixotropy and structural behaviour at rest peter billberg school of architecture and the built environment division of concrete structures royal institute of technology se100 44 stockholm, sweden tritabkn. Self consolidating concrete scc also known as self compacting concrete flows and consolidates on its own. Self compacting concrete scc is an innovative concrete that does not requires vibration for placing and compaction. Concrete is a mixture of cement, sand, gravel and water which dries hard and strong and is used as a material for building. Selfcompacting concrete civil engineering community. Since then, various investigations have been carried out and the concrete has been used in. Self compacting concrete scc is a flowing concrete mixture that is able to consolidate under its own weight. It is highly flowable, nonsegregating concrete that can spread into place, fill formwork and encapsulate the reinforcement without any mechanical consolidation. Self consolidating concrete or self compacting concrete commonly abbreviated to scc is a concrete mix which has a low yield stress, high deformability, good segregation resistance prevents separation of particles in the mix, and moderate viscosity necessary to ensure uniform suspension of solid particles during transportation, placement without external compaction, and thereafter until.
Final report prepared for missouri department of transportation. Selfconsolidating concrete scc structural investigation. Strength and durability same as conventional concrete. Methods of testing self compacting concrete workability. However working on the parameters which affect the basic properties of self compacting concrete such as plastic viscosity, deformability, flowability and resistance to segregation, self compacting concrete may be proportioned. Jan 31, 2012 project report on self compacting concrete 1. Pdf the optimization of the selfcompacting concrete. Seminar on self compacting concrete civil engineering.
This paper addresses experiments and theories on self compacting concrete. Self compacting concrete is a flowing concrete mixture that is able to consolidate under it own weight the highly fluid nature of scc makes it suitable for placing in difficult conditions and in section with congested reinforcement 3. Magnel laboratory for concrete research department of structural engineering selfcompacting concrete. The concrete was cast along the entire lengths of the walls to avoid construction joints. Form pressure generated by celfcompacting concrete pe. This paper addresses experiments and theories on selfcompacting concrete. Article information, pdf download for bond behavior of reinforcement in conventional and. Due to its properties and composition, the selfcompacting concrete is described here as being one of the future. Self compacting concrete scc it uses superplasticisers and stabilisers to significantly increase the ease and rate of flow.
Selfcompacting concrete scc 1, also known as selfconsolidating concrete. The present project investigates the making of self compacting concrete more affordable for the construction market by replacing high volumes of portland cement by fly ash. Pdf selfcompacting concrete procedure for mix design. Student, structural engineering part time 202016, bharathidasan institute of technology anna university, tiruchirappalli, tamilnadu, india. It is able to flow and consolidate under its own weight, completely filling the formwork even in the presence of dense reinforcement. The benefits of scc in reduced labor needs, increased rate of production and safety, and lower noise levels have generated great interest from the precast concrete industry. Self consolidating concrete scc, also known as self compacting concrete, is a highly flowable, nonsegre gating concrete that can spread into place, fill the. Self compacting concrete seminar report, ppt, pdf for civil. Selfcompacting concrete scc v introduction to selfcompacting concrete. O scc was first developed in japan around the year 1980. Here, the grading and packing of all solids in the concrete mix serves as a basis for the development of new concrete mixes. Self compacting concrete concrete that is able to flow under its own weight and completely fill the form work even in the presence of congestion. A numerical model for selfcompacting concrete flow. Self compacting concrete seminar report, ppt, pdf for.
This recommendation specifies the performance required of selfcompacting concrete, primarily the self compactability, and provide verification and inspection methods. Dec 22, 2017 seminar on self compacting concrete scc special concrete 1. Self compacting concrete scc is a special type of concrete which can be placed and consolidated under its own weight without any vibration effort due to its excellent deformability, and which at the same time is cohesive enough to be handled without segregation or bleeding. Selection of the type of cement will depend on the overall requirements for the concrete, such as strength, durability etc. Hence to overcome these defects the self compacting concrete is used. Okamura from the university of tokyo japan is mainly responsible for initiating the development of scc. When shear walls are designed and constructed properly, and they will have. This report has been prepared by rilem technical committee tc 228mps mechanical properties. Selfcompacting concrete by s and corneliu bobliana iure abstract.
This research work presents properties of self compacting concrete after replacement of fine aggregate with powder of waste marble at different percentages 0%, 10%, 20%, 30% 40% and 50%. There fore each self compacting concrete has to be designed for the particular structure to be constructed. The trials were started at 50 percent volume of total concrete as content of coarse aggregates and 40 percent by volume of mortar in concrete as contents of fine aggregates and variation in wp ratio and super plasticizer was carried out to achieve scc mixes. Performance of steel fiber reinforced self compacting. Self compacting concrete scc for prestressed bridge girders 7. Also explore the seminar topics paper on self compacting 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. It uses superplasticisers and stabilisers to significantly increase the ease and rate of flow. In the plastic state, it flows under its own weight and homogeneity while completely filling any formwork and passing around congested reinforcement. Bond behavior of reinforcement in conventional and self. A concrete mix can only be classified as self compacting concrete if the requirements for all the following three workability properties are fulfilled. Selfcompacting concrete procedure for mix design paratibha aggarwal, rafat siddique, yogesh aggarwal, surinder m gupta figure 2. Stephen lane senior research scientist introduction in response to the reduction in the skilled labor force in japans construction industry and.
Construction of durable concrete structures requires skilled labor for placing and compacting concrete. Get self compacting concrete seminar report and ppt in pdf and doc. Pdf properties of selfcompacting concrete with different. Self compacting concrete scc should present compatible quality and cost with conventional concrete cc. A numerical model for selfcompacting concrete flow through.
Design and application of self compacting concrete free download as powerpoint presentation. Design and application of self compacting concrete concrete. View selfcompacting concrete research papers on academia. Inadequate homogeneity of the cast concrete due to poor compaction or segregation may. Selfcompacting concrete scc can be placed under its own weight. Self compacted concrete seminar 1 concrete building. Project report study on self compacting concrete using. Materials for selfcompacting concrete the constructor. Selfcompacting concrete scc concrete cement free 30. View self compacting concrete research papers on academia.
Lbox test experimental procedure the procedure adopted in the study is as follows 1 using japanese method of mix design, initial mix design was carried out at coarse. Selfcompacting concrete procedure for mix design from. Viscoprobe 1, installed at the factory of elementfabrik as, give, denmark, demonstrates optimal results in the manufacture of self compacting concrete on fully automatic concrete production lines. Introduction self compacting concrete scc is a new category of high performance concrete characterized by its ability to spread into a heavily reinforced area under its own weight without the need of vibration and. The seminar report on self compacting concrete which explains the mix design, advantages and disadvantages, applications, properties,process of making self consolidating concrete, theoretical and experimental studies with test results. Placing and curing selfcompacting concrete in hot climates carlos f. Scc stands for self compacting concrete or self consolidating concrete. Final report evaluation of selfconsolidating concrete celik. In this study strength parameters of self compacting concrete, self curing concrete, self compacted self curing. Use of scc can also help minimize hearingrelated damages on the worksite that are induced by. There fore each selfcompacting concrete has to be designed for the particular structure to be constructed.
Self compacting concrete seminar report, ppt for civil. Also self compacting concrete has a brittle characteristic even with other kinds of cementitious materials. Explore self compacting concrete with free download of seminar report and ppt in pdf and doc format. Self compacting concrete incorporating highvolumes of. Introduction self compacting concrete scc represents one of the most significant advances in concrete technology for decades. Self compacting concrete scc is a highly fluid concrete that does not require any vibration during the placement process 1, 2. Selfcompacting concrete is characterized by the adoption of a concreting method that does not require vibration during placing. Mechanical properties of selfcompacting concrete rilem. We used similar compositions of scc and cc to study the fresh cement workability. Shear walls are vertical elements of the horizontal force resisting system. It is the ability of scc to flow into all spaces within the formwork under its own weight. This standard covers the test method for slump flow of self compacting concrete with a maximum coarse aggregate size of 40 mm or less. Selfconsolidating concrete scc for infrastructure elements.
Selfcompacting concrete procedure for mix design article pdf available in leonardo electronic journal of practices and technologies 712 june 2008 with 35,326 reads how we measure reads. Mixes, consisting of slag blended cement, gravel 416mm, three types of sand 01, 02 and 0. Phase i involves collecting actual field scc mixes that. Self compacting concrete scc self compacting concrete scc is a flowing concrete that does not require vibration and, indeed, should not be vibrated. Magnel laboratory for concrete research 3 self compacting concrete. Self compacting concrete scc, also known asself consolidating concrete, is. Okamura in japan to offset a growing shortage of labour ouchi m 1999119. Selfcompacting concrete scc is a special type of concrete which can be placed and consolidated under its own weight without any vibration effort due to its excellent deformability, and which at the same time is cohesive enough to. College, gujarat technological university gujarat, india. It achieves compaction into every part of the mould or formwork simply by means of its own weight without any segregation of the coarse aggregate. A compilation of research on selfconsolidating concrete for. 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. Since then, various investigations have been carried out, and the concrete has been used in practical structures in japan, mainly by large construction companies. Bulletin 85, 2006 issn 11034270 isrn kthbknb85se isbn 9171784640.
Seminar on self compacting concrete scc special concrete 1. The seminar report on selfcompacting concrete which explains the mix design, advantages and disadvantages, applications, properties,process of making selfconsolidating concrete, theoretical and experimental studies with test results. Also get the seminar topic paper on self compacting 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 2016 2017. Performance and acceptance of selfconsolidating concrete.
Self compacting concrete, confinements, strength, ductility. Seminar on self compacting concrete scc special concrete. In most previous studies on self compacting concrete, t400 is used to estimate the flow velocity of self compacting concrete. Testing and mix design method of self compacting concrete. However working on the parameters which affect the basic properties of selfcompacting concrete such as plastic viscosity, deformability, flowability and resistance to segregation, selfcompacting concrete may be proportioned. Magnel laboratory for concrete research durability 59. The invention of self compacting concrete scc is considered one of the most important developments in the construction industry. Self compacting concrete an overview sciencedirect topics. However, no specification for t1 is given in efnarc or other codes.
A concrete of next decade 1n r gaywala 2 d b raijiwala address for correspondence 1 student of m. Self compacting concrete achieves this by its unique fresh state properties. Further development of latest generation concretes in the recent past needs to update knowledge on the behaviour of such concrete with the addition of fibres to make them more efficient and effective. Table 7 presents the results of workability tests, conducted to achieve self compacting concrete. Though the concept originally was thought to be a tool to. All types of cement conforming to en 197 are suitable. Download the latest pdf and ppt on slideshare for civil projects. Please note that the following pdf file, offered by. The highly fluid nature of scc makes it suitable for placing in difficult conditions and in section with congested reinforcement. Glass fibre reinforced self compacting concrete gfrscc is composed of cement, different sizes of coarse and fine aggregates, which integrate with distinct, uneven glass fibre. This report summarizes the twophase research on selfconsolidating concrete scc in new jersey. It achieves compaction into every part of the mould or formwork simply by means of its own weight.
Self compacting concrete was first developed 1988 in order to achieve durable concrete structures. Selfcompacting concrete scc for prestressed bridge girders. It is able to flow under its own weight due to its highly fluid nature and achieving a full compaction even in a formwork with complicated shapes and dense reinforcement. There are, however, some differences between the hvfa self compacting concrete and the hvfa concrete designed by canmet. Performance of glass fibre reinforced self compacting concrete. First, the features of japanese and chinese methods are discussed, in which the packing of sand and gravel plays a major role. Although scc is advantageous its processability in hot climate regions is not well understood and is the main topic of this investigation. Final report evaluation of selfconsolidating concrete celik ozyildirim, ph. The paper presents the characteristics of the selfcompacting concretes, their advantages and disadvantages when they are used in buildings. Tech research, department of applied mechanics, s v national institute of technology, surat 395007. Cip 37 self consolidating concrete scc self consolidating concrete scc, also known as self compacting concrete, is a highly flowable, nonsegregating concrete that can spread into place, fill the formwork and encapsulate the reinforcement without any. Concrete that is capable of compaction under its own weight and can occupy all the spaces in the forms, which self levels, does not segregate and does not entrap air is termed self compacting concrete scc. Cip 37 self consolidating concrete scc self consolidating concrete scc, also known as self compacting concrete, is a highly flowable, nonsegregating concrete that can spread into place, fill the formwork and encapsulate the reinforcement without any mechanical consolidation.
The range of benefits offered go beyond fundamental aspects of concrete quality and productivity. This is a sample project report on self compacting concrete. It is able to flow under its own weight, completely filling formwork and achieving full compaction, even in the presence of congested reinforcement. Investigations for establishing a rational mix design method and self compactability testing methods have been carried out from the. A proper design of a self compacting concrete requires considerably more fines content as compared to the traditional concrete. One such latest generation concrete is self compacting concrete scc. Final report evaluation of self consolidating concrete celik ozyildirim, ph. In residential construction, shear walls are straight external walls that typically form a box which provides all of the lateral support for the building. 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. Development of scc self compacting concrete scc developed by professor hajime. Concrete has to be heavily vibrated for flow into very intricate forms or forms that have a lot of reinforcing bars. Behaviour of deformed bars in high strength concrete, report 94. Using selfconsolidating concrete scc can minimize the problem since it was designed to consolidate under its own mass. The european guidelines for self compacting concrete 1 introduction selfcompacting concrete scc is an innovative concrete that does not require vibration for placing and compaction.
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