A study on selfcompacting concrete using portland slag. Nan su et al proposed a simple mix design method for selfcompacting concrete the amount of aggregates required is determined, and the paste of binders is then filled into the voids of aggregates to ensure that the concrete thus obtained has flow. 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 standardized mix design method of scc proposed by the jrmca 6 is an easy version of okamuras method. Testing and mix design method of self compacting concrete. An experimental study on steel fiber reinforced self. Selfcompacting high performance concrete, concrete international, vol. It is considered to be the very simple and easy method and therefore is utilized for designing scc mix of m30 grade in this. Influence of chemical admixture dosage on fresh properties of.
Self compacting concrete journal of advanced concrete technology, vol. A simple mix design method for self compacting concrete cement and concrete research. Comparative study on effects of fly ash, nano silica and. Chai, design and testing of selfcompacting concrete, phd thesis. Mix proportioning the mix proportion was done based on the modified nan su method. The european guidelines for self compacting concrete 3 nan su, kungchung hsu, hiswen chai. Approaches to mix design and measurement of workability for self compacting concrete josef petrus jooste a dissertation submitted to the faculty of engineering and the built environment, university of the witwatersrand, in fulfillment of the requirements of the degree of master of science in engineering. N2 this paper proposes a new mix design method for selfcompacting concrete scc.
The mix designs were carried out for concrete grades 60. Learn how to design a self compacting concrete scc in less than 5 minutes using quality mix, the mix design calculator module by concrete quality. The self compacting concrete, which contains more fines content, is proved to nan su and et al. Selfcompacting high performance international, vol. Scheme of compacted aggregate and concrete mixtures. The volume of excess paste was determined by experiments.
First, the amount of aggregates required is determined, and the paste of binders is then filled into the voids of aggregates to ensure that the concrete thus obtained has flowability, selfcompacting ability and other desired scc properties. Effect of size of aggregate on high strength self compacting. In the mix design of scc, the relative proportions of key components are generally considered by volume rather than by mass. First, the amount of aggregates required is determined, and the paste of binders is then filled into the voids of aggregates to ensure that the concrete thus obtained has flowability, self. A simple mix design method for self compacting concrete cement and concrete research 31 2001 17991807. Volume6 issue8 international journal of innovative. Optimum mix proportioning of high strengthself compacting. Normal concrete was designed by using is method and selfcompacting concrete was designed by a simple mix design proposed by nan su. The present work deals with the studies on workability and strength properties of glass fiber reinforced self compacting concrete of grade m30 with partial replacement of cement with mineral admixtures like fly ash, nano silica and silica fume. Mix design of selfcompacting concrete a new approach. 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. Nan su proposed a simple mix design method for scc, the amount of aggregate required is determined and the paste of binders is then filled into the voids of aggregates to ensure that the concrete thus obtained has flow ability, selfcompaction ability and other desired scc properties 5. Self compacting concrete is to use fine materials like fly ash, ggbfs etc. The mix proportion was done based on the method proposed by nan su et al.
T5 min assessment of test this is a simple, rapid test procedure, though two people are. It is considered to be the very simple and easy method and therefore is utilized for designing scc mix of m35 grade in this experimental work. Nan su proposed a simple mix design method for scc, the amount of agg regate req uired is deter mined and the paste of binders is then filled into the. Strength and workability of selfcompacting concrete made. A simple mix design for scc proposed by nan su et al. Abstract the success of an optimum design lies in the effective load transfer. The mix design was carried out for m30 normal grade of self compacting concrete with metakaolin and ckd as. The present study aims to develop the steel fiber reinforced self compacting concrete sfrscc of m30 grade and analyze the fresh and hardened properties of it. Cement is replaced with various percentage of silica fume 0%, 10%, 15%, and 20%. A study on effect of steel fiber in fly ash based self. Self compacting concrete with recycled coarse aggregates.
Ranganath 2004, mixture proportioning procedures for self compacting concrete, the indian concrete journal, pp 21. First, the amount of aggregate required was determined, and the paste of binder was then filled into the void of. The composition of selfcompacting concrete scc has a significant impact on his properties so mix design criterions are mostly focused on the type and mixture proportions of the constituents. This method was preferred as it has the advantage of considering the strengths of the scc mix. Raijiwala, self compacting concrete a concrete of decade, journal of engineering research and studies, jersvol. In this work, a designe method for scc proposed by nan su eat al. Experimental studies on m 25 grade of self compacting. Pdf a simple mix design method for selfcompacting concrete. Primarily, required quantities of aggregates are evaluated and binder paste is then poured in to space of aggregates to make sure that concrete attained flowability, its own compactability and other properties of scc.
In thispaper the authors designed a new mix design method for selfcompacting concrete scc. Influence of chemical admixture dosage on fresh properties. Concrete plays a vital role as a construction material in the world. Development of self compacting concrete using silica fume. You can watch the video here, or watch it in the quality mix tutorials. A practical mix design method for selfcompacting concrete. Comparison and optimization of dosage of different super. In the present scenario, waste materials from various industries are added to the mix. International journal on recent and innovation trends in. Experimental studies on m 25 grade of self compacting concrete. Nan su, kungchung hsu, hiswen chai a simple mix design method for selfcompacting concrete, cement and concrete research 31 2001, pp. A simple mix design method for selfcompacting concrete, cement and concrete research 2001. T1 a simple mix design method for selfcompacting concrete.
Nan su et al11 proposes a simple design mix method for selfcompacting concrete in 2001. Selfcompacting concrete scc can eliminate the problem, since it was designed to consolidate under its own mass. A simple mix design method for selfcompacting concrete by nan su, kung chung hsu, hiswen chai cement and concrete research dec2001. On the basis of these proportions, a simple tool has been designed for. Selfcompacting concrete with 15% silica fume showed better results when compared to other replacements. Self compacting concrete thesis proposal i help to study. In the present investigation a simple mix design procedure proposed by nan su was used by changing the nan. First, the amount of aggregates required is determined, and the paste of. Experimental studies on m35 grade self compacting concrete. First, the amount of aggregates required is determined, and the paste of binders is then filled into the voids of aggregates to ensure that the concrete thus obtained has flowability, self compacting ability and other desired scc properties. A quantitative evaluation method for the effect of super plasticizer in self compacting concrete, transac tions of jci, pp. This method can be employed to produce scc with a large amount of powder materials, and a waterbinder ratio of nan su and et al.
The final mixes were arrived after making some changes to meet the strength and selfcompacting. Approaches to mix design and measurement of workability for selfcompacting concrete josef petrus jooste a dissertation submitted to the faculty of engineering and the built environment, university of the witwatersrand, in fulfillment of the requirements of the degree of master of science in engineering. Testing selfcompacting concrete testing selfcompacting concrete assessing the workability of scc mix can be divided into three categories. 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. Apr 01, 2008 8 nan su,kungchung hsu, hiswen chai 2001, a simple mix design method for selfcompacting concrete, cement and concrete research, vol. Nan su mix design method has followed to develop the scc of m30 grade. Mix design procedure for m40grade using nan su method. Normal concrete was designed by using is method and selfcompacting concrete was designed by a simple mix design proposed by nan su 2. Experimental study on self compacting concrete with. Effect of sulphate attack on self compacting concrete. The original contribution in the field of scc is attributed to the pioneering work of nan su etal. A simple mix design method for selfcompacting concrete national. Location greater pittsburgh area industry glass, ceramics concretea simple mix design way of selfcompacting concrete.
Nan su proposed a simple mix design method for scc, the amount of aggregate required is determined and the paste of binders is then filled into the voids of aggregates to ensure that the concrete thus obtained has flow ability, self. A simple tool has been designed for self compacting concrete scc mix design with 29% of coarse aggregate, replacement of cement with metakaolin and class f flyash, combinations of both and controlled scc mix with 0. Selfcompacting concrete procedure for mix design paratibha aggarwal, rafat siddique, yogesh aggarwal, surinder m gupta figure 2. A study on the mechanical properties and flexural behaviour. A simple mix design method for selfcompacting concrete. This paper proposes a new mix design method for self compacting concrete scc. Nan su, kung chung hsu and his wen chai a simple mix design method for selfcompacting concrete cement and concrete technology, cement and research, 2001, vol. The step by stop procedure is represented as below in flow chat.
Youd also require a personalized email so self compacting concrete phd thesis readers can contact you. In 2011, b mahalingam et al carried out an experimental work on scc using fly ash as partial. A simple tool for self compacting concrete mix design. We posted a new tutorial video in our youtube channel. This paper proposes a new mix design method for selfcompacting concrete scc. Nan su and buquan miao 10 were proposed a simple procedure for mix design of selfcompacting concrete. This mix design method was invented in taiwan by nan su. Ppt self compacting concrete powerpoint presentation free. Selfcompacting concrete was first developed 1988 in order to achieve. Comparison of methods of dosage and effect of the composition. Apr, 2016 a simple mix design method for self compacting concrete cement and concrete research 31 2001 17991807.