However, the successful use of scc requires a good understanding of the behavior of this material, which is vastly different from traditional concrete. Materials, properties and applications presents the latest research on various aspects of self compacting 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. Fresh and mechanical properties of selfcompacting rubber. Mechanical properties of selfcompacting rubberised. Evaluation of the fresh and hardened properties of steel. An extensive database which included the dosifications and the mechanical properties of 627 mixtures from 8 different references, was used. Over the last ten years, significant amount of work has been carried out on self compacting concrete all over the world. Self compacting lightweight concrete with a binder content of 500650 kg m. Jan 21, 2021 this study focuses on the development and assessment of greener and sustainable mix of self compacting rubberised concrete scrc utilising commonly available waste materials such as fly ash, worn tires, and polyethylene terephthalate pet drinking bottles as fibres. This study focuses on the development and assessment of greener and sustainable mix of self compacting rubberised concrete scrc utilising commonly available waste materials such as fly ash, worn tires, and polyethylene terephthalate pet drinking bottles as fibres. The resulting concrete is characterized in the fresh state by methods used for self compacted concrete, such as slump flow, v. Self compacting concrete can be defined as the concrete which requires no vibrations and can flow around obstructions, encloses the reinforcement and fills up the formwork completely under its self weight. The materials high fluidity allows the flow under its own weigh through the narrow sections, around the reinforcement, filling completely the formwork without segregation. Mechanical properties of selfcompacting rubberised concrete.
Abrasion resistance and mechanical properties of self. This investigation introduces an experimental program, consisting of 15 different scc mixtures, aiming at studying the mechanical properties of scc through compressive strength, splitting tensile strength, and the flexural strength. The comparison of the experimental results with those derived from several codes and recommendations allows evaluating if the. On the mechanical properties and fracture behavior of.
Pdf mechanical properties of selfcompacting concrete. Mechanical properties of self compacting concrete containing. Self compacting concrete scc is a type of concrete, which flows under the sole influence of gravity up to leveling, air out and consolidates itself without any external compaction energy. Mechanical properties of self compacting concrete reinforced with polypropylene fibres. Kasem b a department of civil engineering, faculty of engineering, menou. Please note that the following pdf file, offered by. Study on mechanical properties of self compacting concrete. Selfcompacting concrete scc is an innovative concrete that is able to flow under its own weight, completely filling formwork and achieving full compaction. Mechanical properties of selfcompacting concrete, stateoftheart report 228mps on mechanical properties of selfcompacting concrete january 2014 doi. Base of the result self compacting concrete specimens have higher value than normal concrete specimens in all test except modulus of.
In this paper, fresh state and mechanical properties of self compacting concrete scc with binary and ternary cementitious blends of metakaolin mk and fly ash. This concrete combines the favorable properties of a lightweight concrete with those of a self compacting concrete i. A wide range of mechanical properties are considered, including compressive. Self compacting concrete scc is concrete with enhanced fresh properties that allow pouring without external compaction 11,12. In this study, the effect of adding steel wires obtained from waste car tires to self compacting concrete on mechanical properties of the concrete and how the mechanical properties will change when exposed to salty water were examined. Self compacting concrete, silica fume, fly ash, mechanical properties, abrasion resistance concrete performance is commonly evaluated with respect to engineering or mechanical properties such as compressive strength and modulus of elasticity, and. Mechanical properties of selfcompacting concrete self compacting concrete scc, also known as self consolidating concrete, was developed in the late 1980s, although earlier lookalikes surely exist. Less noise from vibrators and reduced danger from hand arm vibration syndrome greater freedom in design. 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. The major impact of the introduction of self compacting concrete scc is connected to the production process. Self compacting concrete scc offers several economic and technical benefits. Experimental studies on rheological, mechanical, and.
Pdf mechanical properties of selfcompacting concrete reinforced. Mechanical properties of selfcompacting concrete reinforced with. Mechanical properties of self compacting concrete with glass. Mechanical properties of concrete with recycled concrete. Mechanical properties of selfcompacting concrete stateof. Mechanical properties of self compacting concrete containing silica fume and steatite powder padmanapam and n. Improvesquality, durability, and reliability of concrete structure due to better compaction and homogeneity of concrete. This property describes the ability of the concrete to flow under its own weight without the application of mechanical vibration. This paper mainly concentrates on studying mechanical properties high strength self compacting concrete subjected to elevated temperature of 200, 400 and 600oc with exposure duration of 4,8,12 hours of grade m80 mix. Efnarc, the european guidelines for self compacting concrete, international bureau for precast concrete bibm, brussels, belgium, 2005. The stateoftheart report of rilem technical committee 228mps on mechanical properties of selfcompacting concrete scc summarizes an extensive body of information related to mechanical properties and mechanical behaviour of scc.
Mechanical properties of self compacting concrete with. Mechanical properties of ultra high performance fiber. Effect of elevated temperature on mechanical properties of. Self compacting concrete scc, also known asself consolidating concrete, is.
Mechanical properties and fibre density of steel fibre reinforced selfcompacting concrete slabs by dia and xct approaches tomasz ponikiewski department of building materials and processes engineering, faculty of civil engineering, silesian university of technology, akademicka 5 street, 44100 gliwice, poland correspondence tomasz. Pdf self compacting concrete materials properties and. In this work, the mechanical properties of scc have been studied made of bagasse. In comparison with conventional concrete, referred to. A study on mechanical properties of selfcompacting concrete. It can flow under its own weight through congested reinforcement without any segregation and bleeding. Self compacting concrete scc is a relatively new material in building industry, which doesnt require mechanical compaction. Mechanical properties of selfcompacting highperformance. Self compacting concrete has been used in bridges and even on precast sections. Selfconsolidating concrete scc has superior advantages over normally vibrated concrete nvc due to its ability to flow under its own weight. The mechanical properties evaluated were development of compressive strength, splitting tensile strength and static modulus of elasticity. Combined effect of ground granulated blast furnace slag and.
The stateoftheart report of rilem technical committee 228mps on mechanical properties of selfcompacting concrete scc summarizes an extensive. Mechanical properties of selfcompacting concrete with binary and. It is used in the construction where it is hard to use vibrators for consolidation of concrete. Tech student 2assistant professor3 1,2,3department of civil engineering 1,2dms svh college of engineering, ap, india 3vikas engineering college, ap, india. Nowadays, its use is progressively changing the method of concrete placement on building sites. Pdf, physical and mechanical properties of selfcompacting.
It is able to flow under its own weight, completely filling formwork and achieving full compaction, even in the presence of congested reinforcement. Self compacting concrete as we all know is a concrete which exhibits good flow properties, good passing ability, and segregation resistance. Mechanical properties of selfcompacting concrete rilem. No vibration is required to compact the concrete since the scc has the capability of compacting under its own weight after being placed. The effect of fine and coarse recycled aggregates on fresh. Hsscc has been developed to show good fresh properties and exhibit high strength and excellent durability characteristics 24.
Comparison of self compacted concrete with normal concrete by. However, the addition of fibres to fresh concrete results in a. Fibrereinforced self compacting concrete frscc is a highperformance building material that combines positive aspects of fresh properties of self compacting concrete scc with improved characteristics of hardened concrete as a result of. Their fracture behavior is compared with a plain self compacting concrete and also with a steel fiberreinforced selfcompacting concrete. The stateoftheart report of rilem technical committee 228mps on mechanical properties of self compacting concrete scc summarizes and extensive body of information related to mechanical properties and mechanical behaviour of scc. Aggregate of size 12mm was used as the coarse aggregate. Self compacting concrete is cohesive enough to be handled without bleeding and segregation. Introduction nowadays, it is well known that preparing natural aggregates for concrete productiondue to carbon dioxide consumptionis a severe threat of environment and should be logically minimized. Fiber reinforced concrete is widely used due to its high ductility, energy absorbing capacity, and tensile strength. Due attention is given to the fact that the composition of scc varies significantly. Mechanical properties of selfconsolidating concrete incorporating. The stateoftheart report of rilem technical committee 228mps on mechanical properties of selfcompacting concrete scc summarizes an extensive body of information related to mechanical.
Introduction self compacting concrete can be described as a high performance material which flows under its own weight without requiring vibrators to achieve consolidation. Biswajit jena and asha patel, study on the mechanical properties and microstructure of chopped carbon fiber reinforced self compacting concrete, international journal of civil engineering and. Self compacting concrete scc, also known as self consolidating concrete. Mechanical properties and fibre density of steel fibre. Base of the result self compacting concrete specimens have higher value than normal concrete specimens in all test except modulus of elasticity. Mechanical properties of self compacting concrete 123. Self compacting concrete scc is a highly workable concrete. Mechanical and microstructural properties of self compacting concrete blended with metakaolin, ground granulated b lastfurnace slag and fly ash. Pdf the properties of hardened concrete can be significantly improved by fibres. One of the most remarkable projects built using self compacting concrete is the akashikaikyo suspension bridge. Hamoon fathi et al conducted experimental studies on four types of self compacting concrete mixes by casting 72 cylinders and reinforced beams for different compressive strengths of range 30 to 45mpa and subjecting the specimens up to a temperature of 800oc. Properties of self compacting concrete the key engineering attributes of scc in the fresh state which separate it from traditional vibrated concrete are listed as follows. Finally, the report discusses the properties of specialty scc.
Development of mechanical properties of self compacting. Mechanical properties of selfcompacting concrete stateofthe. Self compacting concrete application, materials, and. Self compacting concrete scc can be defined as fresh concrete that flows under its own weight and does not require external vibration to undergo compaction. Thus, the improvement in mechanical properties of a matrix having volume fraction hybridization of 1% stainless steel, and 1% of polypropylene fibres was found to be the best. Studies on mechanical properties of ternary blended self. Keywords self compacting concrete, fly ash, silica fume, foundry sand, glass fibre, hardened properties. The highly fluid nature of scc makes it suitable for placing in difficult conditions and in sections with congested reinforcement. The capacity to spread of scc is attained by increased powder content and limited coarse.
This thesis details the mechanical properties of selfcompactingconcrete using four percentages of glass fibers i. Iraq university college american concrete institute. Jul 18, 20 the workability and mechanical properties of selfcompacting lightweight concrete and normal self compacting concrete have been studied. In this study, the effects of fibers on fresh concrete properties and mechanical properties of self. Therefore, a research work was performed to compare the mechanical properties of scc and ncc with and without fibres with different aspect ratio. In this project, the scc was mixed onsite and pumped through a piping system to the specified point, located 200 meters. Mechanical properties of self compacting concrete incorporated with high volume fly ash. Self compacting concrete were studied, such as, workability, self compacting properties, compressive strength, split cylinder strength, and flexural strength.
Self compacting concrete scc is an innovative concrete that is able to flow under its own weight, completely filling formwork and achieving full compaction without vibration. Combined effect of ground granulated blast furnace slag. The sf scc to be developed will not be as fluid as the conventional scc, but it will 1 be workable enough for machine placement, 2 be self compacting with minimum segregation, 3 hold shape after extrusion from a paver, and 4 have performance properties strength and durability compatible to current pavement concrete. Mechanical behavior of selfcompacting reinforced concrete. Self compacting concrete, carbon fiber, mechanical properties, volume fraction, microstructures cite this article. Mechanical properties of self compacting concrete with artificial and natural fibers ijraset publication introductionconcrete made from portland cement, is relatively strong in compression but weak in tension and tends to be brittle. Pdf mechanical and durability properties of selfcompacting. By the early 1990s, japan has developed and used scc. Pdf the stateoftheart report of rilem technical committee 228mps on mechanical properties of selfcompacting concrete scc summarizes an. Development of scc self compacting concrete scc developed by professor hajime. Self compacting concrete mixture is required to obtain specific rheological properties, i. In addition, the adherence of waste wires to concrete was examined in microdimension by taking sem images. Mechanical properties and postcracking behavior of self. Mechanical characteristics of selfcompacting concrete with.
Evaluation of the mechanical properties of self compacting. The stateoftheart report of rilem technical committee 228mps on mechanical properties of self compacting concrete scc summarizes an extensive. Mar 31, 2014 in this paper the mechanical properties of a self compacting concrete with low, medium and highfiber contents of macro polyolefin fibers are studied. Comparison of workability and mechanical properties of self. Pdf the properties of hardened concrete can be significantly improved. It is concluded that rha provides a positive effect on the mechanical properties at age after 60 days. The development leading to a self compacting light weight concrete sclwc represents an important innovative step in the recent years. Self compacting concrete scc is a concrete which can be placed and compacted under its own weight with little vibration. A study on mechanical properties of self compacting concrete by partial replacing cement with pozzolanic materials fly ash, silica fume and lime sludge m. Pdf self compacting concrete scc is a sensitive mix, strongly dependent on the composition and the characteristics of its constituents. This work presents a statistical study on the variability of the mechanical properties of hardened self compacting concrete, including the compressive strength, splitting tensile strength and modulus of elasticity.
Most of the researches have been done on steel fiber reinforced concrete, but these kinds of fibers cause a sharp drop in fresh properties of concrete and reduce its performance. Gbt500812002, standard for test method of mechanical properties on ordinary concrete, ministry of construction of the prc, china architecture and building press, beijing, china, 2003. Speeded up construction 29 prolonged demolding time 30 improved the construction quality 31 increased risk and associated uncertainty 32 safer work conditions 33 lowered elevated temperature resistance 34 the increased service life of formworks due. It was a response to the lack of qualified skilled workers at the construction sites and a solution for the accomplishment of durable concrete structures. Mechanical properties of selfcompacting concrete state. Full length article mechanical properties of self compacted.
Pdf mix design methods of self compacting concrete. Studies on mechanical properties of ternary blended self compacting concrete using different percentages of recycled aggregate m. Ten mixes containing ground tire rubber and pet fibres were investigated under compression, split tension, and flexure. Pdf mechanical properties of selfcompacting concrete, stateof. Pdf modulus of elasticity of self compacting concrete. Easeof placement results in cost savings through reduced equipment and labor requirement. Selfcompacting concrete applications and advantages. Mechanical properties of selfcompacted fiber concrete. Self compacting concrete materials, properties and tests. The physical properties were investigated using slump test for normal concrete and slump flow test for self compacting concrete. The effects of using different steel fibers and silica fume doses on these properties are obtained within the research work. Mechanical characteristics of selfcompacting concrete. Pdf mechanical properties of self compacting concrete with. Pdf modulus of elasticity of self compacting concrete with.
Introduction the mineral additives are used to meet the special rheological requirements of self compacting concrete, self compacting concrete is a special type of concrete which flyash, silica fume, ggbs, ground blast furnace slag, ground provides greater workability, strength, durability and it glass filler, rice husk ash and stone powder, etc. Mechanical properties of selfcompacted fiber concrete mixes. Self compacting concrete scc is an innovative concrete that does not require vibration for placing and compaction. Mechanical properties of selfcompacting concrete with. Mechanical properties of self compacting concrete containing crushed sand and sisal fiber 73 replacement of river sand. Aug 08, 2011 self compacting concrete scc is a relatively new building material. Mechanical properties of selfcompacted fiber concrete mixes core. Considering these properties, the application ranges of both frscc and scc can be covered. Scc contains the same components as conventional concrete but with different proportions and fresh characteristics 14. The advantages and disadvantages of selfcompacting concrete scc. Dec 11, 2017 selfcompacting concrete is combined with glass fibers to create glass fiber reinforced selfcompacting concrete gfrscc. Self compacting concrete scc is a flowing concrete mixture that is able to consolidate under its own weight. Testing of fine and coarse aggregate was conducted as per is. Analysis of mechanical properties of self compacted concrete by.
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