Experimental investigation on replacement of sand by graded quarry dust in concrete. Project report on concrete mix design of grade m35 1. In this context, the objective of this work was to analyze self compacting concrete scc using lightweight and recycled aggregates. Development of scc self compacting concrete scc developed by professor hajime. Final report evaluation of selfconsolidating concrete celik. This research report is prepared to show the activities and progress of the lightweight concrete research project.
A concrete mix can only be classified as self compacting concrete if the requirements for all the following three workability properties are fulfilled. Civil project on self compacting concrete free final. Here, the grading and packing of all solids in the concrete mix serves as a basis for the development of new concrete mixes. Efca the european federation of concrete admixture associations. There is growing evidence that incorporating high volumes of mineral admixtures and micro fillers as partial replacement for portland cement in scc can make it. Project report study on self compacting concrete using. The production of concrete blocks consists of four basic processes. The self compacting concrete european project group was founded in january 2004 with representatives from. Experimental investigation of fibre reinforced concrete. Download the latest pdf and ppt on slideshare for civil projects. Chapter 7 transporting and placing concrete pages 2022 chapter 8 compacting concrete pages 2325 chapter 9 finishing concrete pages 2627 chapter 10 curing concrete pages 2830 chapter 11 joints in concrete pages 33 chapter 12 hot and cold weather concreting pages 3435 chapter surface finishes on concrete pages 3639. Some manufacturing plants produce only concrete blocks, while others may produce a wide variety of precast concrete products including blocks, flat paver stones, and decorative landscaping pieces such as lawn edging. First, the features of japanese and chinese methods are discussed, in which the packing of sand and gravel plays a major role. Figure 5 shows the slump flow loss with elapsed time for self compacting concrete as affected by the superplasticiser dosage.
Concrete project conproj dg conproj r dg conproj n conproj r n 30x60 12x24 conproj 36dg 11 r10 a conproj 36dg lp 11 r9 60x60 24x24 conproj 60dg 11 r10 a conproj 60dg lp 11 r9 60x120 24x48 conproj 12dg 11 r10 a conproj 12dg lp 11 r9 120x120 48x48 conproj 120dg 11 r10 a. Major constructions using scc delhi metro project 29. Vacuum treatment of concrete has been refined to specially address concreting of large exposed surfaces in hot weather conditions. Performance of glass fibre reinforced self compacting concrete 1manjunatha j. Selfcompacting concrete scc for prestressed bridge girders. Guide for specifying, proportioning, mixing, placing, and. Self compacting concrete is a recent development that shows potential for future applications. Majestic project works with organizations to design, fabrications.
View self compacting concrete research papers on academia. Using selfconsolidating concrete scc can minimize the problem since it was designed to consolidate under its own mass. This investigation is aimed to utilize the benefits of both selfcuring as well as self compacting. As per is4562000 6, cement is replaced by weight of material. Self compacting concrete scc is already common in the fabrication of precast concrete products. Performance of glass fibre reinforced self compacting concrete. Fresh and hardened properties of selfcompacting concrete. Use of industrial waste red mud in the production of self compacting concrete cex043. The flexural strength of concrete has been increased with the addition of steel fiber in self compacting concrete. Hence to overcome these defects the self compacting concrete is used. It is found that, 25% of ggbs can be replaced and strength obtained is comparable to the conventional concrete. Properties of self compacting concrete an overview paratibha aggarwal, national institute of technology, kurukshetra, india yogesh aggarwal, national institute of technology, kurukshetra, india s m gupta national institute of technology, kurukshetra, india r siddique, thapar institute of engineering and technology, patiala, india 30th conference on our world in concrete.
In partial fulfillment for the award of the degree. Self compacting concrete is a flowing concrete mixture that is able to consolidate under its own weight. The seminar report on self compacting concrete which explains the mix design, advantages and disadvantages, applications, properties,process of making selfconsolidating concrete, theoretical and experimental studies with test results. 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 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. The self compacting concrete flows easily at suitable speed into formwork without blocking through the reinforcement without being heavily vibrated. Self compacting concrete incorporating highvolumes of class f. This project report entitled experimental investigation on properties of self compacting. This new mixture was created to improve the quality and durability of concrete structures, achieving.
This will be merged into a new en 206 during revision of en 2061 the european project group. Please note that the following pdf file, offered by. Selfcompacting concrete scc is an innovative concrete that does not. This paper addresses experiments and theories on self compacting concrete. This paper addresses experiments and theories on selfcompacting concrete. In this project, the scc was mixed onsite and pumped through a piping system to the specified point, located 200 meters away. Selfcompacting concrete scc concrete cement free 30. Allow the concrete to flow through the obstacle into room b, and leave to stand until the concrete stops. Self compacting 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. 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. Partial replacement of cement with ggbs in self compacting.
By the early 1990s, japan has developed and used scc. Selfcompacting, or selfconsolidating concrete scc was first developed in japan in the early nineties. Importance of using self compacting concrete construction essay. Final report evaluation of selfconsolidating concrete celik ozyildirim, ph. Self compacting concrete offers a rapid rate of concrete placement, with faster construction times and ease of flow around congested reinforcement. The present investigation involves the use of selfcuring agent viz.
Apr 18, 2015 this process is a means to efficiently remove excess water from newly placed, compacted and leveled concrete surfaces. Substantial research was carried out with regard to the properties of scc. Selfcompacting concrete procedure for mix design from. 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. Self compacting concrete stateoftheart report of rilem technical. 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. The present project investigates the making of selfcompacting concrete. Self compacting concrete concrete building technology. The european guidelines for self compacting concrete scc. The purpose of this project was to develop and evaluate the properties of scc made with locally available materials, including flow, segregation, strength. Self compacting concrete scc, also known asself consolidating concrete, is.
Okamura from the university of tokyo japan is mainly responsible for initiating the development of scc. Civil engineering projectsprojects with reports and. The selfcompacting concrete european project group was. There fore each self compacting concrete has to be designed for the particular structure to be constructed. Self compacting concrete seminar report, ppt, pdf for. Sivasundaram, thermal crack control of mass concrete, msl division report. The composition of scc is similar to th self compacting concrete scc represents one of the most significant advances in concrete technology for decades. The concrete was cast along the entire lengths of the walls to avoid construction joints. Ever since concrete has been accepted as a material for construction, researchers have been trying to improve its quality and enhance its performance. All types of cement conforming to en 197 are suitable. Hajime okamura and masahiro ouchi 2003, self compacting concrete, journal of advanced concrete technology vol. A simple tool has been designed for self compacting concrete scc. Selfcompacting concrete scc v introduction to selfcompacting concrete. Self compacting concrete procedure for mix design article pdf available in leonardo electronic journal of practices and technologies 712.
The self compacting concrete scc was first produced and developed in japan in 1988 to achieve durable concrete structures. Mechanical properties of selfcompacting concrete rilem. Raijiwala, self compacting concrete a concrete of decade, journal of engineering research and studies, jersvol. Self compacting concrete has been used in bridges and even on precast sections.
Self compacting concrete scc v introduction to self compacting concrete. P,india is used as additives according to astm c 618 5. Accordingly, concrete to which weak vibration is applied to assist the compaction, as in the case of precast product plants, is beyond the scope of this. Workability of self compacting concrete on the basis of the above study two superplasticer dosages 0. Self compacting concrete scc for prestressed bridge girders 7. Methods of testing self compacting concrete workability. Mix design of self compacting concrete based on ultra high. Selfcompacting geopolymer concrete from the lab to site. In recent years, selfcompacting concrete scc has gained wide use for. Ppt self compacting concrete powerpoint presentation.
Selfcompacting concrete applications and advantages. 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. In this research, the design of mix mortar flow with ultrahigh compressive strength was made by the type i cement, i. The european guidelines for selfcompacting concrete. Experimental study on fiber reinforced self compacting. It is the ability of scc to flow into all spaces within the formwork under its own weight. This new mixture was created to improve the quality and durability of concrete structures, achieving full compaction under its own weight without. Department of civil engineering university of minnesota. This is a good civil project on concrete technology titled self compacting concrete and this concrete is compacted due to its own weight and it is also called self consolidated concrete or flowing concrete. The known publications often report about approximately hydrostatic pressure distribution on formwork assumption of the concrete as liquid 2. 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.
Table 7 presents the results of workability tests, conducted to achieve self compacting concrete. Jan 31, 2012 project report on self compacting concrete 1. Materials for selfcompacting concrete the constructor. This process is a means to efficiently remove excess water from newly placed, compacted and leveled concrete surfaces.
Selfcompacting concrete scc is a type of concrete, which flows under the sole. This success is based on the high quality of these products as well as the. This concrete was first developed in 1988 to achieve durable concrete structure. Vacuum dewatering greatly improves the abrasion and impact resistance of the concrete surface. Tech research, department of applied mechanics, s v national institute of technology, surat 395007.
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. Pdf selfcompacting concrete procedure for mix design. Nan su, kungchung hsu, hiswen chai a simple mix design method for self compacting concrete, cement and concrete research 31 2001, pp. It meets the demands placed by the requirements of speed and quality in concrete construction. Self compacting concrete scc was presented by japanese prof. A highly homogeneous, well spread and dense concrete can be ensured using such a type of concrete. Comparison of scc over nc ingredients normal concrete selfcompacting concrete fines 12% 18% sand 24% 34% coarse aggregates 46% 28% water 18% 20% admixture 0.
Mpa cement fact sheet 5 self compacting concrete scc. This project report entitled experimental investigation on properties of self compacting concrete using mineral admixtures by shaikh mohd. 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. O scc was first developed in japan around the year 1980. One of the most remarkable projects built using self compacting concrete is the akashikaikyo suspension bridge.
A concrete of next decade 1n r gaywala 2 d b raijiwala address for correspondence 1 student of m. Tech, associate professor, civil engineering department is submitted in the fulfillment of the requirements for the main project. Densely reinforced concrete problems can be solved by using concrete that can be easily placed and spread in between the congested reinforced concrete elements. 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. The performance of aerated lightweight concrete such as compressive strength tests, water absorption and density and supplementary tests and comparisons made with other types of lightweight concrete were carried out. Self compacting concrete scc is a key innovation in concrete technology and it is truly remarkable that, even after almost 30 years since its first implementation, it still attracts the interest. Because of the wellcontrolled conditions, the introduction of scc in the precast concrete industry was successful. Since it was produced in japan, self compacting concrete has been used in japan, europe and the united state of america because it has many benefits. This project will firstly be aimed to gain understanding more about scc.
Okamura in 1986 and is characterized worldwide as one of the most significant development steps in concrete materials technology. Selection of the type of cement will depend on the overall requirements for the concrete, such as strength, durability etc. The production of self compacting concrete scc with low density has become a major challenge for civil engineering, especially regarding the dosage and maintenance of mechanical strength. Selfcompacting concrete procedure for mix design paratibha aggarwal, rafat siddique, yogesh aggarwal, surinder m gupta figure 2. Based on current research and available knowledge about scc presented in this paper, the following trends are emerging. Stephen lane senior research scientist virginia transportation research council a cooperative organization sponsored jointly by the virginia department of transportation and the university of virginia. Key words concrete workability, high performance concrete, slump, compacting factor, vebe time, viscosity, mobility, fluidity 18. Self compacting concrete seminar report, ppt, pdf for civil. Some of the advantages of self compacting concrete are as follows. Self compacting concrete an overview sciencedirect topics. Self compacting concrete free download as powerpoint presentation. Self compacted concrete is highly engineered concrete with much higher fluidity without segregation and is capable of filling every corner of formwork under its self weight. Explore self compacting concrete with free download of seminar report and ppt in pdf and doc format.
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