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The mix design of M25 grade of concrete gives HPC concrete when replacement of copper slag is 50. 2. In this case we observed that Copper slag behaves like river sand. 3. It is observed that when increasing percentage replacement of fine aggregate by Copper slag the unit weight of concrete is gradually increases. REFERENCES 1.
This paper presents the results of an experimental investigation on the properties of concrete using copper slag as partial replacement of fine aggregate. For this research work, M20 grade concrete was used and tests were conducted. Various concrete mixtures were prepared with different proportions of copper slag as fine aggregates replacement.
1. To find the optimum proportion of Copper Slag that can be used as a replacement substitute material for fine aggregate in concrete 2.To evaluate mechanical properties by use of copper slag in concrete specimens. 3To determined Strength, Workability, Durability by using copper slag as fully replacement of fine aggregate
Copper slag is considered as waste material and can be used as replacement of fine aggregates. The possibility of substituting natural fine aggregate with industrial by-products such as copper slag offers technical, economic and environmental advantages which are of great importance
HPC mixes may be made with Silica fume for cement and binary and ternary mixes involving Industrial By-products of Bottom ash and steel slag aggregate for the replacement of Fine aggregate and ...
them to study the effect of using copper slag as a fine aggregate on the properties of cement mortars and concrete. Various mortar and concrete mixtures were prepared with different proportions of copper slag ranging from 0 for the control mixture to 100 as fine aggregates replacement. Cement mortar mixtures were evaluated for compressive
To study the effect of copper slag substitution as a replacement for fine aggregates on the strength of cement mortars, specimens were prepared with different percentages of copper slag by weight. The percentage of copper slag added were as follows 0 for the control mix , 20, 40, 50, 60, 80 and 100. Cubes 70.6
For M20 Grade Mix Concrete 40 of. copper slag replacement the 28 day s and 90 days Split. Tensile strengt h were 2.204 Nmm2 and 2.58 Nmm2. compared with
Copper Slag are given in Table3 and 4 respectively.Fig. 2 shows particle distribution curve of sand and copper slag. Fig. 1Copper slag TABLE 3 PROPERTIES OF FINE AGGREGATES AND COPPER SLAG Properties Fine Aggregates Copper Slag Specific gravity 2.53 3.57 Water absorption, 0.80 0.14 Moisture content, 0.50 0.10 Fineness modulus 2.55 2.68
aggregate and 50 of fine aggregate gives results similar to natural aggregate. 7 Khalifa S. Al-Jabri, Makoto Hisada, Salem K. Al-Oraimi, Abdullah H. Al-Saidy, 2009 They had studied the use copper slag as a replacement of sand on the properties of high performance concrete. Eight concrete mixtures were prepared with different proportions
waste copper slag as replacement material of fine aggregates in concrete. Mix proportion has to be done for M25 grade of concrete with water cement ratio 0.50. 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.
of copper slag as sand replacement yielded comparable strength with control mix. K.Mahendran, N.Arunachelam Geopolymer Concrete with copper slag an industrial by-products as a replacement of fine aggregates was studied. The properties of six different proportions with control mix concrete and others were 10 , 20 , 30 , 40 and 50
Considering the long-term performance and stability of structures, it is planned to replace some percentage of fine aggregate with copper slag and some percentage of cement with GGBS to develop High Performance Concrete HPC. The paper presents an experimental investigation to assess the durability parameters of HPC with the industrial wastes.
They had studied on the use of fine recycled aggregates to The results indicate that there is slight increase in the HPC partially or globally replace natural fine aggregates in the density of nearly 5 with increase of copper slag content. production of structural concrete.
5. It is recommended that 40 wt of copper slag can be used as replacement of sand in order to obtain HPC with good properties. 6. It should be noted that further research work is needed to explore the effect of copper slag as fine aggregates on the properties of concrete with different cement types, silica fume sources and the degree of fines.
The test results shows the concrete containing copper slag as fine aggregate has good strength and properties and the copper slag replacement level can be limited to 40-60 by weight. View Show ...
May 29, 2020 The utilization of copper slag in concrete provides additional environmental as well as technical benefits for all related industries. Replacement of copper slag in fine aggregates reduces the cost of making concrete. Replacement of copper slag increases the self weight of concrete specimens to the maximum of 15 to 25.
Abstract. This paper reports on an experimental program to investigate the effect of using copper slag as a replacement of sand on the properties of high performance concrete HPC. Eight concrete mixtures were prepared with different proportions of copper slag ranging from 0 for the control mix to 100.
percentage replacement of fine aggregate with copper slag. Slump values are increasing with increase in percentage of copper slag. The workability increased substantially with the increase of copper slag content in the concrete mixture as shown in fig.4 due to the low water absorption and glassy surface of copper slag compared with sand in ...
copper slag. Fig.7. Comparison of Flexural Strength of Beam IV. CONCLUSION The concrete was prepared for the M 25 grade concrete with partial replacement of fine aggregate by copper slag with various percentages of 0, 10, 15 and 20. The specimens were casted for 7days, 14 days and 28 days then tested. The results are presented above.
Mar 02, 2015 The workability increases up to 31.57 for 100 replacement of copper slag as a fine aggregate fine aggregate. The maximum compressive strength of concrete increases up to 8.63 for 20 percentage replacement of fine aggregate, but up to 40 percentage of copper slag can be replaced which is greater than the target strength.
In the article the possibility of using surface blast-cleaning waste copper slag based as a replacement of fine aggregate in high performance concrete manufacturing was presented.
Effects of Copper Slag as a Replacement for Fine Aggregate on the Behavior and Ultimate Strength of Reinforced Concrete Slender Columns used. Table 2 shows the mix design quantities. The mix constituents were weighed in separate buckets and mixed in a rotating drum in accordance with the American Society for Testing and Materials ASTM
determined by the percentage of partial replacement of copper slag for fine aggregate, the effect from variations of water cement ratios were monitored in the study Tables 1-12 Figures 1-12. Table 1 Predictive and Experimental Values of Compressive Strength at Different Curing Age. Curing Age Predictive Values of Compressive Strength
The results are presented above. The optimum value which provided the best performance was at 50 addition of copper slag for compressive strength. The concrete was prepared for the M20 grade concrete with partial replacement of fine aggregate by copper slag with various percentages of 0, 5, 10, 20, 30, 40 and 50.
Many researchers had already found, copper slag possible to use as a material in concrete. In this experimental study copper slag is used in concrete as replacement material of fine aggregate. For this study, M40 grade of concrete is used and the tests are conducted for various replacement of fine aggregate using copper slag as 0, 20, 40, 60,
Apr 24, 2018 It is observed that for all percentage replacement of fine aggregate by Copper slag the flexural strength of concrete is more than control mix. REFERENCES. Akihiko, Y. and Takashi, Y. Study of utilization of copper slag as fine aggregate for concrete, AshikayaKogyo DaigakuKenkyuShuroku, Vol. 23, pp. 79-85, 1996. Al-Jabri, K. and Makoto Hisada.
Hence, copper slag which is the industrial by-product is used as a partial replacement of fine aggregate by 0, 15, 30, 45, 60 and 75 with 20 of fly ash by the volume of cement with water cement ratio 0.36.
The effect of copper slag addition as replacement of fine aggregate on the density of normal and high strength concretes is shown in Fig. 1. It can be seen from Fig. 1 that there is general increase in the density of both normal and high strength concretes with the increase of copper slag replacement
Request PDF Analytical investigations on flexural behaviour of HPC beams with copper slag as partial replacement of fine aggregate using ABAQUS This paper reports a material model to simulate ...
aggregate is replaced by copper slag and cement is replaced by fly ash from 45to 60.Replacement of fine aggregate by copper slag, cement by fly ash up to 50 shows good result in strength characteristics of concrete , hence replacement of copper slag up to50is an optimum value for a normal concrete M. V. Patil, Y.D.Patil In this research ...
This paper reports the results of an experimental study on the high performance concrete made with copper slag as fine aggregate. The percentage of Copper SlagCS added by weight in a range viz. 0, 25, 50, 75 and 100 as a replacement of sand used in
concrete with copper slag as partial replacement of fine aggregate as 20 to 70 with 10 intervals of size 150mm x 150mm x 150mm after 7 days immersion in water for curing and 28 day cubes are in possess of curing. 6. RESULTS amp ANALYSIS SLUMP CONE TEST Table -8 Slump Cone test values Sr.No. Slump Percentage Replacement mm 20 43 02. 46 03.
Aug 01, 2009 The compressive strength of mortars and concrete specimens containing copper slag as fine aggregate was investigated by Hwang and Laiw . The study concluded that the mortars containing the larger amounts of copper slag sand had lower early strengths at wc of 0.48 and that the strengths of mixtures with 2080 substitution of copper slag were higher than that of the control specimens.
Feb 05, 2021 Copper slag as a substitute for fine aggregate for High Performance Concrete HPC showed that with the rise in copper slag content there was a 5 rise in the density of high-performance concrete, while the workability improved quickly with a rise in the age of copper slag .