·M20 & M40 GRADE CONCRETES WITH FINE AGGREGATE PARTIALLY REPLACED WITH COPPER SLAG AND GGBS SURESH BABU 1 PG Student Visvodaya Engineering College We have chosen the replacement of fine aggregate with copper slag & GGBS by taking reference of several related research papers as 40% 50%
·Experiments using M25 grade concrete have investigated replacement percentages ranging from 10% to 20% [1 2 3] In depth investigations into strength R Effect of copper slag as a fine aggregate on the properties of cement mortars and concrete Constr Build Mater 2011 25 933 938
· Fine Aggregate Locally available sand is employed as natural fine aggregate NFA in the research work Copper slag as shown in Fig 1 obtained from Hindustan Copper Limited HCL Jamshedpur India is used as fine analysis of NFA and CS as represented in Fig 2 is carried out in the laboratory and in accordance with IS
·Copper slag used in this work was brought from Oman Mining Company which produces an annual average of 60 000 tons In preparation of cement mortars the sand and copper slag particles used were those passing 850 μm and retained on 600 μm according to OS26 1981 [14] The copper slag was ground in the laboratory into a fine powder to the
·Copper slag is a derivative product obtained from matte smelting and refining of copper [25] It is a non reactive and non hazardous material whose size is similar to the NFA and it can be used as a NFA material in concrete with proper processing Fig 3 The physical properties of CS such as surface texture particle shape and size fineness and specific gravity
·The grading of both coarse and fine aggregate is done as per IS 383 [44] with fineness modulus and respectively This may be attributed to the larger particle size of copper slag grain than that of fine aggregate which settles down and allows the free water on the surface of concrete mix as a result reduces the workability of the
·The fine aggregate is replaced with copper slag in proportions of 0% 20% 30% 40% 50% 60% 80% and 100% Tests were performed for properties of fresh concrete and hardened concrete Figure 1 Copper slag M25 grade of concrete was found out The Table 3 Physical properties of copper slag Sr No Physical Properties Copper Slag
·of copper slag as a fine aggregate on the properties of cement mortars nd concrete Construction and Building Materials Vol 25 pp 933 938 2011 [5] Al Jabri Taha Al Hashmi A and Al Harthy Effect of copper slag and cement by pass dust addition on mechanical properties of concrete Construction and building
·Mechanical Strength and Microstructure Properties of Concrete Incorporating Copper Slag as Fine Aggregate A State of the Art Review Tareg Copper slag CS is a residual material produced through the copper smelting process shows the cooling process appearance images and grading of CS Table 2 Production of CS in various regions
·M20 & M40 GRADE CONCRETES WITH FINE AGGREGATE PARTIALLY REPLACED WITH COPPER SLAG AND GGBS KUMAR Assistant Professor Research guide Visvodaya Engineering College Kavali India 1 We have chosen the replacement of fine aggregate with copper slag & GGBS by taking reference
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