Mechanism of achieving self compaction 5 reduction of water. Find powerpoint presentations and slides using the power of, find free. Other flow characteristics such as viscosity or filling capacity or time of flow through an orifice are needed to characterize flow in scc. Selfhealing of concrete a new technology for a more. Nan su, kungchung hsu, hiswen chai a simple mix design method for self compacting concrete, cement and concrete research 31 2001, pp. New report examines the latest trends global selfcompacting concrete market forecast to 2021 this report studies sales consumption of selfcompacting concrete in global market, especially in united states, china, europe and japan, focuses on top players in these regions countries, with sales, price, revenue and market share for each player in these regions, covering cemex s.
However, to date limited research exists exploring the use of coarse rca in scc. Most revolutionary development in concrete construction for several decades. The utilisation of recycled concrete aggregate rca in selfcompacting concrete scc has the potential to reduce both the environmental impact and financial cost associated with this increasingly popular concrete type. Selfcompacting concrete applications and advantages. The effect can be seen in many old structures, which have survived for such long periods of time with only limited maintenance. Self compacting concrete was first developed in 1988 to achieve durable concrete structures. Ppt self compacting concrete powerpoint presentation free to. Methods of testing self compacting concrete workability.
Materials, properties and applications presents the latest research on various aspects of selfcompacting concrete, including test methods, rheology, strength and durability properties, scc properties at elevated temperature, sc manufacturing with the use of scms, recycled aggregates and industrial byproducts. Download the latest pdf and ppt on slideshare for civil projects. Materials for selfcompacting concrete the constructor. Shear walls are constructed to counter the effects of lateral load acting on a structure. Selfcompacting concrete is one of the subjects of concrete technology and the various investigations have been carried out and hence the concrete has been used in practical structures. Concrete has to be heavily vibrated for flow into very intricate forms or forms that have a lot of reinforcing bars. And also the definition and motive for development of scc have been discussed. Written by an international group of contributors who are. This research work presents properties of selfcompacting concrete after replacement of fine aggregate with powder of waste marble at different percentages 0%, 10%, 20%, 30% 40% and 50%. High deformability of mortar and concrete self compacting concrete. For any concrete to be characterized as self compacting it should possess the above mentioned characteristics. One of the most remarkable projects built using selfcompacting concrete is the akashikaikyo suspension bridge. Selfsensing concrete is a branch of smart concrete, which was the earliest proposed and has been systematically and deeply investigated.
Scc stands for self compacting concrete or self consolidating concrete. In this exp eriment the following test methods as suggested by efnarc were used. Nan su, kungchung hsu, hiswen chai a simple mix design method for selfcompacting concrete, cement and concrete research 31 2001, pp. The slump test is widely used to evaluate the workability of concrete. Since the concrete is capable of selfconsolidating and reaching the difficult areas in moulds, manual variables in terms of placing and. Self compacting fiber reinforced concrete scfrc is the one where fibres are added to the self compacting concrete, which is able to flow under its own weight, and completely fill the formwork and encapsulate the reinforcement, while maintaining homogeneity and can consolidate without the need for vibration compaction. Highly fluid, topflow is the ultimate selfcompacting concrete. Ppt self compacting concrete powerpoint presentation. Self compacting fiber reinforced concrete powerpoint presentation. Selfconsolidating concrete or selfcompacting 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. Properties of selfcompacting concrete with recycled. Here, i attach a powerpoint presentation created by me for a competition held by ultratech. Cracks in old concrete structures such as roman aqueducts and gothic. 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.
Whatever the challenge, all must be completed on time and onbudget. This standard covers the test method for slump flow of selfcompacting concrete with a maximum coarse aggregate size of 40 mm or less. Explore self compacting concrete with free download of seminar report and ppt in pdf and doc format. Shear walls are vertical elements of the horizontal force resisting system. The work presented in this paper seeks to build on the existing knowledge in this area by. 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. Introduction types of fibers production of scfrc fresh concrete tests concrete mixing and casting of beams influence of concret. Selfcompacting concrete has been used in bridges and even on precast sections. S, scientist, and rajamane n p, deputy director and head, concrete composites lab structural engineering research centre, csir, chennai excessive evaporation of water internal or external from fresh concrete should be avoided.
When shear walls are designed and constructed properly, and they will have. 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. Since then, various investigations have been carried out and this type of concrete has been used in. Self compacting concrete seminar report, ppt, pdf for.
Based on above results conclusions are drawn and discussions the following self compacting concrete scc technology can save time, cost, enhance quality, durability and moreover it is a green concept. Self compacting concrete scc ppt video online download. Self compacting concrete ppt concrete cement scribd. Selfcompacting concrete procedure for mix design from. Concrete is a mixture of cement, sand, gravel and water which dries hard and strong and is used as a material for building. The concrete was cast along the entire lengths of the walls to avoid construction joints. Scc is modern innovation does not require vibration for placement and compaction. 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. The method for achieving selfcompacting ability involves limited aggregate content low waterpowder ratio employment of superplasticizer the method for achieving self compactability involves not only high deformability of paste or mortar, but also. Selfcompacting concrete not only increases the reliability of structures but also reduces the number of workers required at the construction site and streamlines the construction.
Topflow the ultimate freeflowing, selfcompacting concrete. All types of cement conforming to en 197 are suitable. Self compacting concrete scc, also known asself consolidating concrete, is. Further, compressive strength at the ages of 7, 28, and 90 days was also determined and results are included here. A concrete mix can only be classified as self compacting concrete if the requirements for all the following three workability properties are fulfilled.
Applications selfcompacting concrete has been used in bridges and even on precast sections. It is the ability of scc to flow into all spaces within the formwork under its own weight. Selfcompacting concrete an overview fundamental elements for environmental friendly concrete. Self compacting concrete is characterized by its flowing ability, passing ability, filling ability and segregation resistance.
Download latest collection of civil enigneering and construction seminar ppt,presentation for last semester diploma civil engineering students with free of cost. Selfcompacting concrete is a fluid mixt ure suitable for placing in structures. 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. Self compacting concrete basic principles of scc and properties of hardened concrete requirements and mode of action of scc mix design and mixing of. It is able to flow under its own weight, completely filling. Keywordsself compacting on rete, metakaolin, flyash, mixde sign, imple tool i. In residential construction, shear walls are straight external walls that typically form a box which provides all of the lateral support for the building.
In precast product plants as well, selfcompacting concrete is highly effective in reducing the noise as it requires no vibration. The test results for acceptance characteristics of selfcompacting concrete such as slump flow. The natural selfhealing ability of concrete, known as autogenous healing, has been understood for around 20 years. However it has serious drawbacks, especially for selfcompacting concrete scc. Self compacting concrete ppt free download as powerpoint presentation.
Self compacting fiber reinforced concrete powerpoint. Smart concrete is a very broad category of material that includes selfsensing concrete, selfadjusting concrete, selfhealing concrete, etc. 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. In this project, the scc was mixed onsite and pumped through a piping system to the specified point, located 200 meters away. Selection of the type of cement will depend on the overall requirements for the concrete, such as strength, durability etc. Pdf selfcompacting concrete procedure for mix design. The paper presents an experimental procedure for the design of selfcompacting concrete mixes. 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. Sep 26, 20 self compacting concrete seminar ppt authorstream presentation. It is highly flowable, nonsegregating concrete that can spread into place, fill formwork and encapsulate the reinforcement without any mechanical consolidation. Self compacting concrete an overview sciencedirect topics. Get details of self compacting concrete ppt download.
Development of scc self compacting concrete scc developed by professor hajime. Introduction selfcompacting concrete scc is an innovative concrete that does not require vibration for placing and compaction. Contents introduction problems with conventional concrete benefits of scc mix design principles constituent materials properties of fresh scc tests. Raijiwala, self compacting concrete a concrete of decade, journal of engineering research and studies, jersvol. Are you looking for self compacting concrete ppt download.
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