Self compacting concrete materials, properties and tests. The state of theart 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. It can spread into mould under its own weight and without any vibration, and it can realize self. The paper aims to investigate the influence of waste tire rubber and silica fume on the fresh and hardened properties of self compacting concrete scc and to design multivariate regression models for the prediction of the mechanical properties of self compacting rubberized concrete scrc. Fresh and mechanical properties of self compacting concrete containing copper slag as fine aggregates an investigation is carried out on the development of self compacting concrete scc using copper slag cs as fine aggregates with partial and full replacement of sand. The advancement of self compacting concrete scc is an. Shrinkage and mechanical properties of selfcompacting sfrc.
This paper presents the details self compacting concrete scc developed by using fly ash and manufactured sand. Prediction models for the mechanical properties of self. Mechanical properties of selfcompacting coconut shell. Self compacting concrete, steel fiber, mechanical properties 1. Mechanical properties of ultra high performance fiber. Jun 17, 2019 selfconsolidating concrete is a highly flowable type of concrete that spreads into the form without the need for mechanical vibration. In the present study, the effects of recycled concrete aggregates as a partial replacement for fine by 50% and coarse aggregates by 100% were examined in the self compacting concrete mixtures which contain airentraining agents and silica fumes.
Dhakal university of canterbury, chri stchurch, canterbury, new zealand. Mechanical properties of highstrength selfcompacting concrete. Silica fume, ggbs and fly ash ganatra dhaval vikram1, dr. Workability, mechanical, and durability properties of self. Six different scc mixes 60% opc and 40% fly ash with 0% as control mix. Mechanical and durability properties of self compacting concrete. Compressive, tensile, and flexural strengths of specimens were found to decrease by 73. 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. The importance of selfcompacting concrete is that maintains all concretes durability and characteristics. Like compressive strength, the mixture of selfcompacting concrete after acc treatment and air exposure for 14 days had higher splitting tensile strength 4 mpa, modulus of elasticity 34 gpa, water penetration depth 55 mm, and chloride permeability 1099 c than that for the normal concrete mixtures. Selfcompacting concrete applications and advantages.
The self compacting concrete scc was to be the future in the construction industry. Self compacting concrete were studied, such as, workability, self compacting properties, compressive strength, split cylinder strength, and flexural strength. Fiber reinforced concrete is widely used due to its high ductility, energy absorbing capacity, and tensile strength. Mechanical, durability and microstructural characteristics. 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. Janaki raman and aiswarya s, mechanical and durability properties of self compacting concrete using rice husk ash and marble powder, international journal of civil engineering and technology, 9 7, 2018. Mechanical properties of selfcompacting concrete reinforced with. An experimental and numerical study on mechanical properties, such as strength, elastic modulus, creep and shrinkage, of self compacting concrete scc and the corresponding properties of normal compacting concrete nc is outlined in this article. Mechanical properties and postcracking behavior of self. Mechanical properties of dehydroxylated kaolinitic clay in.
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. This paper deals with the prediction of mechanical properties i. Due attention is given to the fact that the composition of scc. Jun 05, 2014 the state of theart report of rilem technical committee 228mps on mechanical properties of self compacting concrete scc summarizes an extensive body of information related to mechanical properties and mechanical behaviour of scc. Selfcompacting concrete produces resistance to segregation by using mineral fillers or fines and using special admixtures.
Mechanical characteristics of selfcompacting concrete with and. This site is like a library, use search box in the widget to get ebook that you want. Selfcompacting concrete scc is relatively a recent development in the construction world. Mechanical properties of highstrength selfcompacting concrete m. Freshstate and mechanical properties of highperformance. Click download or read online button to get mechanical properties of self compacting concrete book now. Fresh and mechanical properties of self compacting concrete containing copper slag as fine aggregates. Abrasion resistance and mechanical properties of self. Because of this, the selfcompacting concrete mixture had relatively better physico mechanical properties and durability characteristics under the same curing conditions. Effect of fiber on mechanical properties and toughness of. The stateoftheart report of rilem technical committee 228mps on mechanical properties of selfcompacting concrete scc summarizes and extensive body of information related to mechanical properties and mechanical behaviour of scc. Mechanical properties of selfcompacting concrete ebook. Self compacting lightweight concrete with a binder content of 500650 kg m. Mechanical properties of selfcompacted fiber concrete.
Based on this fact scc offers improved fresh concrete but also hardened material properties and therefore many advantages regarding the productivity and the design potential. Mechanical properties of selfconsolidating concrete. One of the most remarkable projects built using self compacting concrete is the akashikaikyo suspension bridge. Discarded fresh coconut shells were crushed mechanically and used as coarse aggregate with fly ash fa as partial replacement of portland cement at 15% and 20% replacement levels by weight. The properties include compressive and splitting tensile strengths, modulus of elasticity, modulus of rupture, and compressive stressstrain curve. Mechanical properties of the cooled specimens such as compressive strength, tensile strength, flexural strength, and modulus of elasticity were found. Now a days the production of cement is highly coastly and significantly affects the environment. 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. The results of workability filling ability including slump flow, t 50, and v funnel were 600800 mm, 25 s, and 612 s, respectively, and satisfied the european guidelines for scc. 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. Mechanical properties of self compacting concrete download.
The purpose of using this concrete is to decrease the human risk. Mechanical properties of selfcompacting concrete state. Due attention is given to the fact that the composition of scc varies significantly. Mechanical and corrosion properties of a reinforcing steel.
Dr b r ambedkar national institute of technology, department of civil engineering, jalandhar, punjab, india, 144011. The main ingredients used in design of self compacting concrete are. Selfconsolidating concrete is required to flow and fill special forms under its own weight, it shall be flowable enough to pass through highly reinforced areas, and must be able to avoid aggregate segregation. The results of the freshstate and mechanical properties tests performed on six concrete mixes using ra from the precast industry were presented. The focus of this study is on the development of self compacting lightweight concrete using local waste materials and investigation of its mechanical properties. Kasem b a department of civil engineering, faculty of engineering, menou. Abstractrapid industrialization and growing infrastructural demands have created an alarmingly high. This paper presented the results of an experimental campaign whose ultimate goal was to produce highperformance selfcompacting concrete scc using recycled aggregates ra from the precast industry. The state of theart report of rilem technical committee 228mps on mechanical properties of self compacting concrete scc summarizes an extensive body of information related to mechanical properties and mechanical behaviour of scc. In this study, steel fiber reinforced self compacting concrete sfrscc specimens were examined by considering the effects of different parameters. It flows under its own weight while remaining homogeneous in. Mechanical and durability properties of self compacting.
Influence of mineral admixtures on mechanical properties. For this purpose, 21 concrete mixtures were designed. Self compacting concrete an overview sciencedirect topics. Mechanical properties of selfcompacting concrete springerlink. The physical properties were investigated using slump test for normal concrete and slump flow test for self compacting concrete. In this study, the effects of fibers on fresh concrete properties and mechanical properties of self. Pdf mechanical properties of selfcompacting concrete.
The work presented in this paper seeks to build on the existing knowledge in this area by. Mechanical behavior of selfcompacting reinforced concrete. Mechanical properties of highstrength self compacting concrete m. Pdf mechanical properties of selfcompacting concrete, stateof. Characterization studies of all the ingredients of scc have been carried out. Study on mechanical properties of self compacting concrete. 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. Evaluation of mechanical properties of high performance self compacting concrete using. Although artificial neural network ann is famous in predicting compressive strength of selfcompacting concrete scc 1417, in this study. Thus, not only the mechanical properties might affect the selection of scc mix proportions but also the shrinkage behavior. Introduction the purpose of high strength self compacting concrete is one of the most important development in the building industry. Properties of selfcompacting concrete with recycled coarse.
The effect of fine and coarse recycled aggregates on fresh. To reduce the amount of cement in the concrete mix, fly ash was replaced in the scc mix. Pdf the properties of hardened concrete can be significantly improved by fibres. Introduction self compacting concrete scc is a fluid mixture, which is appropriate for placing in difficult surroundings and also in congested reinforcement, without vibration. This site is like a library, use search box in the widget to get ebook. 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 less frequently, tensile strength, shrinkage and creep. The studies investigate the impact of these cementitious materials on the behaviour of the self compacting concrete in terms of strength and durability and reported results to show an improvement in the mechanical and durability properties of the scc. Mechanical properties of selfcompacted fiber concrete mixes core. A comparison between mechanical properties of self. Efnarc, the european guidelines for self compacting concrete, international bureau for precast concrete bibm, brussels, belgium, 2005. Mechanical properties of steel fiber reinforced self. Download mechanical properties of self compacting concrete or read online books in pdf, epub, tuebl, and mobi format. Self compacting concrete has been used in bridges and even on precast sections.
Pdf mechanical properties of self compacting concrete. The objectives of this study is to investigate producing uhsc with self compacting characteristics using locally available materials and investigate effect of varying mixture parameters on the compressive strength and the effect of incorporating steel fibers on the mechanical properties and durability characteristics of the concrete. Mechanical properties of selfcompacting concrete stateof. Therefore, the need for a sustainable and costeffective substitute for cement is necessary. Selfcompacting concrete is a nonsegregating concrete that is placed by means of its own weight. Pdf analysis of mechanical properties of self compacted. Influence of bamboo fiber and limestone powder on the. Development of scc self compacting concrete scc developed by professor hajime. 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. Fresh and mechanical properties of selfcompacting rubber. The shrinkage of concrete involves a combination of several shrinkage components, that is, plastic shrinkage, autogenous shrinkage, drying shrinkage, thermal shrinkage, and carbonation shrinkage.
Mechanical and durability properties of self compacting concrete sakthi ganesh g department of construction engineering and management, erode, tamilnadu, india abstract. Fresh and mechanical properties of self compacting concrete. The experimental work included workability, mechanical, and durability properties of different concrete mix designs using the treated wastewater. 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.
However, the addition of fibres to fresh concrete results in a loss of workability. Fresh and hardened properties of selfcompacting concrete. Mechanical properties of selfcompacted fiber concrete mixes. In this project, the scc was mixed onsite and pumped through a piping system to the specified point, located 200 meters away. Mechanical e replacement materials of selfcompacting concrete. Mohamed ashik published on 20190316 download full article with reference data and citations. The purpose of this article is to improve the mechanical properties of the self compacting. Compared to the unheated nonfiber specimens scc2, increasing temperature up to 600oc decreased compressive strength at steel, polypropylene and pet fiber containing specimens 30, 37. D civil engineering department hjd institute kerakachchh,gujarat,india. Filling and passing ability, segregation resistance are the properties of self compacting. Pdf mechanical properties of steel fiber reinforced self. The behaviors of the fresh and mechanical properties of selfcompacting concrete scc are di erent from those of normal concrete mix.
Ordinary portland cement either 43 or 53 grade cement can be used. Mechanical properties of selfcompacting concrete selfcompacting concrete scc, also known as selfconsolidating concrete, was developed in the late 1980s, although earlier lookalikes surely exist. Analysis of mechanical properties of self compacted concrete by. The workability and mechanical properties of selfcompacting lightweight concrete and normal self compacting concrete have been studied.
Pdf mechanical properties of selfcompacting concrete reinforced. 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. The utilisation of recycled concrete aggregate rca in self compacting concrete scc has the potential to reduce both the environmental impact and financial cost associated with this increasingly popular concrete type. Mechanical properties of self compacting concrete reinforced with polypropylene fibres article pdf available in material research innovations 153. Self compacting concrete scc, also known asself consolidating concrete, is. Pdf the stateoftheart report of rilem technical committee 228mps on mechanical properties of selfcompacting concrete scc summarizes an.
It is used in the construction where it is hard to use vibrators for consolidation of concrete. To overcome the casting difficulty of concrete in structural members and joints with complex shapes and dense reinforcements, and to reduce the environmental pollution of vibration noise, a highperformance self compacting steel fiber reinforced concrete sfrc becomes more and more applicable in engineering structures 1,2,3,4. Two series of self compacting concrete mixes have been prepared. Fresh and mechanical properties of self compacting. Mechanical properties of selfcompacting concrete rilem. An experimental investigation on the mechanical properties, including compressive strength, flexural strength and impact strength of fiber reinforced self compacting concrete was performed. However, to date limited research exists exploring the use of coarse rca in scc. Study on mechanical properties of self compacting concrete with mineral admixture and glass fibre written by v. Rheological and mechanical characterization of fiber. An investigation is carried out on the development of self compacting concrete scc using copper slag cs as fine aggregates with partial and full replacement of sand.
The high increase in the cost of cement has led to a reduction in concrete production in most developing and underdeveloped countries. Self compacting concrete scc is relatively a recent development in the construction world. Evaluation of mechanical properties of high performance. 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. Full length article mechanical properties of self compacted. Pdf a study on mechanical properties of self compacting. However, the addition of fibres to fresh concrete results in a loss. Fifty percent of cement by weight was replaced with fly ash. This research focused on the application of dehydroxylated kaolinitic clay in the production of self compacting concrete for.
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