Compressive Strength of Concrete by Using Coconut Shell Parag S. Kambli1, Sandhya R. Mathapati2 1 PG Student, ... 10mm Aggregate 2300br 250 200 175 150 20mm Aggregate 2300br 305 305 305 305 Admixture 35Kg 113 113 113 113 Total Rs. 3293- 3243- 3218- 3193- Material Rate Rs. ...
Get PriceMar 07, 2015 Compressive strength of concrete using natural aggregates gravel and crushed rock aggregates-a comparative case study
Get PriceUsing smaller size aggregate 10mm can enhance the compressive strength of pervious concrete than bigger size aggregate 20mm. As the aggregate size goes up, the voids ratio of the concrete also improves due to which the compressive strength of the concrete decreases.
Get PriceConcrete compressive strength of 100MPa is achievable when utilized maximum aggregate size ranges from 10 to 20 mm. A maximum aggregate size of 10 to 14mm is used to produce concrete compressive strength greater than 125 MPa.
Get PriceThe compressive strength test over Conventional concrete and fibre reinforced concrete are conducted and following results ... 20 mm Coarse Aggregate 2.84 2.04 10 mm Coarse Aggregate 2.82 1.83 Natural Sand fine aggregate 2.73 2.25 Crushed Sand Fine 2.68 3.09
Get Priceaggregate replacement on the workability of concrete at the structures laboratory of Department of Civil Engineering, ATBU, Bauchi. The test was conducted in accordance with BS EN 12350 Part 2 1999 specifications. 2.5 Compressive strength test Concrete cubes of size 100 mm x 100 mm x 100 mm were produced for determination of compressive ...
Get PriceThe compressive strength of concrete cubes aggregate size 20mm and 10mm on the 7th days are 25.5Mpa and 16.9Mpa. Comparison percentage is 47.6. Density concrete aggregate size 20mm and 10mm are 2368 kgm and 2137 kgm . Percentage difference of density is 10. The density of concrete aggregate size 20mm are close to normal but
Get PriceUnderstanding Concrete Grades . Based on strength, concrete is classified into different grades like M5, M7.5, M10, M15, M20 etc. In concrete grades, the letter M stands for Mix and the following number stands for characteristic compressive strength of concrete in 28 days in the Direct Compression test.
Get PriceAfter 28 days of curing, concrete should have more than 31.6 Nmm 2 of compressive strength when tested in the Direct Compressive Testing Machine CTM. IV. SELECTION OF WATER-CEMENT RATIO ... Maximum water content for 20mm aggregate to get up to 50mm slump is given in Table 2 of IS10262. Table 2 Maximum Water Content per cubic meter IS10262.
Get PriceQuantities of Material for one cubic meter of concrete-Water 162 KgCement 352 KgSand 679 KgCoarse aggregate 1207 KgFraction-1 20mm 603.50 KgFraction-2 10mm 579 KgQuantity of Admixture 1.0 3.10 KgThe above concrete mix design holds good for the samples provided that the parameters taken for the mix design remain the same as ...
Get PriceM15 concrete mix has a mix proportion of 124 of cement, fine aggregate, and coarse aggregate respectively. M15 M represents Mix and 15 Nmm2 is the characteristic compressive strength of concrete cube at 28 days.
Get PriceFrom this table for ordinary port-land cement and uncrushed 20 mm aggregate the 28 days strength is 42 MPa. b From Fig. 20.12 find the point of inter section of 42 MPa at 0.5 watercement ratio. Through this point draw a dotted line curve parallel to the neighboring curve.
Get PriceCompressive Strength of Trial Cubes for M30 Grade of Concrete Mix Design. As we described before, we cast 12 numbers of a cube for compressive strength. 3 cubes for 3 days. ... After weighing materials, put coarse aggregates 20 mm and 12.5 mm first in the trial mix drum.
Get PriceCompressive strength for crushed aggregates 49Nmm. 2. Figure 4 Relationship between compressive strength and watercement ratio. Concrete mixed design method, CE ... If for 500g of 20mm coarse aggregate water absorbed 8.17g then for 2750g of 20mm coarse aggregate water absorbed 44.9354g. Table 3
Get PriceThe compressive aggregate strength is an important factor in the selection of aggregate. When determining the strength of normal concrete, most concrete aggregates are several times stronger than the other components in concrete and therefore not a factor in the strength of normal strength concrete. Lightweight aggregate concrete may be more ...
Get PriceMay 02, 2017 The compressive aggregate strength is an important factor in the selection of aggregate. When determining the strength of normal concrete, most concrete aggregates are several times stronger than the other components in concrete and therefore not a factor in the strength of normal strength concrete.
Get PriceAfter 28 days of curing, concrete should have more than 38.25 Nmm 2 of compressive strength when tested in the Direct Compressive Testing Machine CTM. IV. SELECTION OF WATER-CEMENT RATIO ... Maximum water content for 20mm aggregate to get 50mm slump is given in Table 2 of IS10262. Table 2 Maximum Water Content per cubic meter IS10262.
Get PriceProducts ranging from 20 to 50 MPa compressive strength at 28 days with a design slump that has a point of acceptance from 20 to 120 mm are available in both 10 mm, 14 mm and 20 mm aggregate sizes. 20 MPa and 25 MPa. Commonly used for house slabs, driveways, footings and footpaths. Residential slabs and footings
Get PriceCharacteristic compressive strength of concrete at 28days 15Nmm 2 Nominal maximum size of aggregate 20mm Specific Gravity of cement 3.15 Specific gravity of fine aggregate 2.6 Specific gravity of Coarse aggregate 2.65 Step 1 Calculation of Target Strength. Target mean strength of concrete is derived from the below formula. f t ...
Get PriceDesign a concrete mix for targeted 28 days cube strength of 45 MPa from the following data 1. Max. size of uncrushed aggregate to be used 20 mm . 2. Low workability, slump 10-30 mm . 3. Specific gravity of aggregate 2.65 . 4. The aggregate percentage passing 600 micron 50 . 5. Exposure to concrete is moderate . 6.
Get PriceHigh compressive strength 50MPa High early strength to reopen the road or minimize the vibration effect to achieve 12MPa within 4 hours 20. Concrete Mix Design Concrete mix design is the process to select suitable constituent materials and determine ... Max. aggregate size 20mm
Get PriceTest results indicate that except for the M30 mix, there is no significant effect on compressive strength of concrete up to 20 percent replacement of normal 20 mm coarse aggregates with coconut shells. But beyond that, strength started decreasing gradually with an increase in the proportion of CS aggregates
Get PriceAvailable with 20mm or 10mm aggregate size. Concrete with a guaranteed finishing time especially for cold weather. RESI-SLAB amp FOOT AS1379 Normal-class concrete specified by compressive strength. Available as 20, 25, 32, 40 amp 50MPa 20mm or 10mm aggregate and at 100mm slump. RMS
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