The behaviour of self compacting concrete with waste plastic fibers when subjected to acid attack. The main characteristics of scc are the properties in. Selfcompacting concrete is characterized by the adoption of a concreting method that does not require vibration during placing. Explore self compacting concrete with free download of seminar report and ppt in pdf and doc format. 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. Applications selfcompacting concrete has been used in bridges and even on precast sections.
Selfcompacting concrete is considered some sort of concrete that could be put and also. Mastermatrix is based on basf proprietary, intelligent smart high molecular weight ionic polymers which interact among themselves and mainly with water molecules, generating a. A concrete wherein the csh gel of cement is replaced by. The self compacting concrete differs from conventional concrete in the following three characteristic features, namely, i appropriate flowability, ii nonsegregation, and iii no blocking tendency. Selfconsolidating concrete scc is highly flowable, nonsegregating concrete that can spread into place, fill the formwork, and encapsulate the reinforcement without any mechanical consolidation. Introduction selfconsolidating concreteorselfcompacting concrete scc is characterized by a low yield stress, high deformability, and moderateviscositynecessary to ensure uniform suspension of solid particles during transportation, placement without external compaction, and thereafter until theconcretesets. The increase in the fine aggregate content increased the cohesiveness of the self compacting concrete. Ppt self compacting concrete powerpoint presentation. This new technology has been of interest to researchers, practising engineers and. Stephen lane senior research scientist introduction in response to the reduction in the skilled labor force in japans construction industry and the consequential reduction in the quality of construction, researchers at the university of tokyo. 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. 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. Standard test methods for selfcompacting concrete i.
Self compacting concrete free download as powerpoint presentation. The paper presents the characteristics of the selfcompacting concretes, their advantages and disadvantages when they are used in buildings. Based on current research and available knowledge about scc presented in this paper, the following trends are emerging. By the early 1990s, japan has developed and used scc. Selfcompacting concrete scc for prestressed bridge girders final report prepared by. Self compacting concrete is a recent development that shows potential for future applications.
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. In our experience c2530 was the lowest result maintaining scc properties. There fore each selfcompacting concrete has to be designed for the particular structure to be constructed. Selfcompacting concrete procedure for mix design from. Scope this standard covers the test method for passability through spaces of selfcompacting concrete. College, gujarat technological university gujarat, india. 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. Development of scc self compacting concrete scc developed by professor hajime okamura of. Selfcompacting concrete scc is an pioneering concrete that does not involve shuddering for insertion and compaction. When compared to conventional concrete, scc produces much higher fluidity with no segregation, due to its lower yield value and higher viscosity. 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.
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. Self consolidating concrete scc, also referred to as self compacting concrete, is able to flow and consolidate on its own. Other flow characteristics such as viscosity or filling capacity or time of flow through an orifice are needed to characterize flow in scc. The concrete community of various european countries intensely researches its application and implements experiences. Methods of testing self compacting concrete workability. Placing and curing selfcompacting concrete in hot climates carlos f. There fore each self compacting concrete has to be designed for the particular structure to be constructed. Nanotechnology in concrete materials figure 1 the topdown and bottomup approaches in nanotechnology 1 sanchez and sobolev, 2010.
Therefore, it is essential to have a proper mix design. Self compacting concrete seminar report, ppt, pdf for. Selfcompacting concrete by s and corneliu bobliana iure abstract. The behaviour of self compacting concrete with waste. We hereby declare that the 8th semester project report for the project entitled study on selfcompacting concrete using industrial waste materials submitted in. Definition self compacting concrete scc, also known as self consolidating concrete, is. It is able to flow under its own weight, completely filling formwork and achieving full compaction, even in the presence of congested reinforcement. View self compacting concrete research papers on academia. Study of mix design of self compacting concrete vipul kumar1 1 m. 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.
This experimental study is based on selfdynamic concrete sdc with low fines that has greater flowability, passing ability and segregation resistance compared to self compacting concrete scc. The slump test is widely used to evaluate the workability of concrete. Selfcompacting concrete scc for prestressed bridge girders. It meets the demands placed by the requirements of speed and quality in concrete construction. Self compacting concrete ppt free download as powerpoint presentation. We hereby declare that the 8th semester project report for the project entitled study on self compacting concrete using industrial waste materials submitted in.
Development of scc self compacting concrete scc developed by professor hajime okamuraof kochi university of technology, japan, in1986 during his research, okamura found that the main cause of the poor durability performances of japanese concrete in structures was the inadequate compacting of the. Self compacting concrete concrete building engineering. Best practices guidelines for self consolidating concrete 3 what is self consolidating concrete. A concrete mix can only be classified as self compacting concrete if the requirements for all the following three workability properties are fulfilled. Tech student, civil engineering, roorkee institute of technology, uttrakhand,indiaabstract self compacting concrete scc is a high performance concrete that can flow under its own weight to completely fill the form work and self.
Also explore the seminar topics paper on reinforced concrete corroded columns 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. Self consolidating concrete scc is highly flowable, nonsegregating concrete that can spread into place, fill the formwork, and encapsulate the reinforcement without any mechanical consolidation. One of the most remarkable projects built using self compacting concrete is the akashi kaikyo suspension bridge, japan in this project the scc was mixed onsite and pumped through a piping system to the specified point, located 200 meters away. Feb 14, 2016 get self compacting concrete seminar report and ppt in pdf and doc. Applications self compacting concrete has been used in bridges and even on precast sections. This recommendation specifies the performance required of selfcompacting concrete, primarily the selfcompactability, and provide verification and inspection methods. A distinct advantage of designated concrete is that the specifier just has to identify the application and the required consistence class using the information presented in table 2, and the readymixed concrete supplier will do the rest. Evaluation of selfconsolidating concrete celik ozyildirim, ph. Project report study on self compacting concrete using. Here, the grading and packing of all solids in the concrete mix serves as a basis for the development of new concrete mixes.
Get self compacting concrete seminar report and ppt in pdf and doc. Since then, various investigations have been carried out, and the concrete has been used in practical structures in japan, mainly by large construction companies. Bulent erkmen carol shield catherine french department of civil engineering university of minnesota october 2008 published by. Pdf selfcompacting concrete procedure for mix design. Due to its properties and composition, the selfcompacting concrete is described here as being one of the future. Scope this standard covers the test method for passability through spaces of self compacting concrete. Because of the wellcontrolled conditions, the introduction of scc in the precast concrete industry was successful. Selfcompacting, or selfconsolidating concrete scc was first developed in japan in the early nineties. It is the ability of scc to flow into all spaces within the formwork under its own weight. Selfcompacting concrete procedure for mix design paratibha aggarwal, rafat siddique, yogesh aggarwal, surinder m gupta concrete that can flow under its own weight through restricted sections without segregation and bleeding. Test method for passability through spaces using ushaped or boxshaped apparatus test method for selfcompactability 1. One such latest generation concrete is self compacting concrete scc.
Scc is a type of concrete where no vibration is required for compaction. Testing and mix design method of self compacting concrete. Mar 16, 2016 o self compacting concrete is an innovative concrete that does not require vibration for placing and compaction. The first section will delineate a brief research history of.
The selfcompacting concrete differs from conventional concrete in the following three characteristic features, namely, i appropriate flowability, ii nonsegregation, and iii no blocking tendency. Test method for passability through spaces using ushaped or boxshaped apparatus test method for self compactability 1. Design and application of self compacting concrete. However it has serious drawbacks, especially for selfcompacting concrete scc. Selfcompacting concrete is the highly flowable, nonsegregating concrete that can spread into place, fill formwork, and encapsulate even the most congested reinforcement by means of its own weight, with little or no vibration. 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. The document describes the properties of scc in its fresh and hardened state, and gives advice to the purchaser of readymixed and site mixed concrete on how. Selfcompacting concrete was first developed 1988 in order to achieve durable concrete structures. First, the features of japanese and chinese methods are discussed, in which the packing of sand and gravel plays a major role. Self compacting concrete materials, properties and tests.
Such concrete should have a relatively low yield value to ensure high flow. Standard test methods for self compacting concrete i. It can be used in precast applications or for concrete placed on site. Cve 437 advance concrete presentation on scc team introduction scc is self compacting concrete research started in the late 1980s by japanese. Self compacting concrete an overview sciencedirect topics. A free powerpoint ppt presentation displayed as a flash slide show on id. In general, scc is concrete made with conventional concrete materials and, in some cases, with a viscositymodifying admixture vma. An increase in the flowability of concrete is known to increase the risk of segregation. Substantial research was carried out with regard to the properties of scc. Minnesota department of transportation research services section 395 john ireland boulevard, mail stop 330 st.
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. This paper addresses experiments and theories on selfcompacting concrete. Standard test method for slump flow of selfconsolidating. Paratibha aggarwal 1, rafat siddique 2, yogesh aggarwal 1, surinder m gupta 1. At the same time it is cohesive enough to fill spaces of almost any size and shape without segregation or bleeding. View selfcompacting concrete research papers on academia. Explore reinforced concrete corroded columns with free download of seminar report and ppt in pdf and doc format. Presented by jatin maggo prince kumar shubham singla introduction by the early 1990s, japan has developed and used scc. Therefore, it is essential to have proper mix design. This experimental study is based on self dynamic concrete sdc with low fines that has greater flowability, passing ability and segregation resistance compared to self compacting concrete scc. Selfcompacting concrete procedure for mix design article pdf available in leonardo electronic journal of practices and technologies 712 june 2008 with 34,769 reads how we measure reads. Tech student, civil engineering, roorkee institute of technology, uttrakhand,indiaabstract self compacting concrete scc is a high performance concrete that can flow under its.
The selfcompacting concrete differs from conventional concrete in the following three characteristic features, namely, appropriate flowability, nonsegregation, and no blocking. One of the most remarkable projects built using selfcompacting concrete is the akashi kaikyo suspension bridge, japan in this project the scc was mixed onsite and pumped through a piping system to the specified point, located 200 meters away. Pdf selfcompacting concrete was first developed in 1988 to achieve durable concrete structures. Self compacting concrete seminar report, ppt for civil.
It is able to gush under its own load, completely filling form work and achieve the full compaction, even in the occurrence of congested support. Recent advances in concrete technologies ga engineer. Self compacting concrete ppt concrete cement scribd. The use of scc is spreading world wide for its very attractive properties. This recommendation specifies the performance required of self compacting concrete, primarily the self compactability, and provide verification and inspection methods. 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. Thus the basic concept behind nanomodification of materials is that of bottomup. Selfcompacting concrete scc, which flows under its own weight and does not. Selfcompacting concrete is a recent development that shows potential for future applications. Recent advances and trends in concrete technologies. Sri krishnarajendra silver jubilee technological institute, bangalore560 001. The utilisation of selfcompacting concrete scc is growing rapidly.
Best practices guidelines for selfconsolidating concrete. Selfcompacting 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. A measure of the ease by which fresh concrete can be placed and compacted. Selfcompacting concrete scc is an innovative concrete that does not requires vibration for placing and compaction. Self compacting concrete seminar report, ppt, pdf for civil. Cement was replaced with class f fly ash with 20, 40, and 60% by weight with fixed water binder ratio. The development of innovative chemical admixtures since the 1980s, namely high. Self compacting concrete scc can be defined as fresh concrete that flows under its own weight and does not require external vibration to undergo it is used in the construction where it is hard to use vibrators for consolidation of concrete. Self compacting concrete has left his early stage of laboratory studies and has. Reinforced concrete corroded columns seminar report, ppt. The concrete was cast along the entire lengths of the walls to avoid construction joints. Material properties and cost analysis of self dynamic concrete.
662 178 569 739 1538 57 521 856 145 298 660 480 340 928 1470 760 1011 567 1212 172 1442 244 57 1093 1291 672 771 689 199 1427 855 881 214 1262 1328 250 440 849