EXPERIMENTAL INVESTIGATION Mix design has been conducted for M 30 concrete making use of IS 10262:2009 code with normal constituents of concrete like locally available UltraTech OPC 53 grade cement. river sand and mechanically crushed 20 mm conventional granite.
for use in concrete mixtures which are to be used for the construction of Air Force rigid airfield pavement surface courses. A concrete mixture proportioning procedure is described which treats the combined graded aggregate as a single component of the mixture, rather than individual coarse, blend, and fine aggregate portions.
Properties of Concrete with GGBS. Mix 1 (0% GGBS) Mix 2 (25% GGBS) Mix 3 (50% GGBS) Mix 4 ( GGBS) of hydration at the age of 28 days . A lower degree of hydration usually results on a more porous concrete, with lower co mpressive and tensile strengths.
ALCCOFINE (GGBS) can be used as cement and concrete but the particle size of ALCCOFINE plays a ... available manufactured sand havingbulk density of 1860 kg/m3 and specific gravity was used. Crushed aggregate confirming to IS: was used. Aggregates of size 20 mm and 10 mm ofspecific ... CONCRETE MIX DESIGN(AS PER ACI 363METHOD)
Apr 08, 2014· This method of concrete mix proportioning is applicable only for ordinary and standard concrete grades. The air content in concrete is considered as nil. The proportioning is carried out to achieve specified characteristic compressive strength at specified age, workability of fresh concrete and durability requirements. Concrete Mix Design
Concrete Mix Design – M 20 Grade Of Concrete. b) COARSE AGGREGATE i) 20mm Graded Type Crushed stone aggregate Specific gravity = Water absorption = Free (surface) moisture = 0 c) FINE AGGREGATE (Coarse sand) i) Type Natural (Ghaggar) Specific gravity = Water absorption = Free (surface) moisture = 3.
project on replacement of sand by robo sand in concrete . partial replacement of sand in concrete by using robo sand. partial replacement of sand in concrete by using robo sand Peer Reviewed JournalInternational Journal of Engineering Research and Applications (IJERA) is an open access online peer reviewed international journal . Learn More >>
Embodied carbon. The use of GGBS or fly ash in concrete, either as an addition or through a factorymade cement can significantly reduce the overall greenhouse gas emissions associated with the production of concrete. The reduction in overall greenhouse gas emissions can be as high as 40 per cent, depending on the concrete mix design and...
this study. The mix design adopted for casting the specimens is M30. To study the mechanical behavior of concrete with GGBS, tests on workability, setting time, water absorption, compressive strength, split tensile strength and flexural strength were conducted on cube, cylinder and prism specimens. The specimens were cast
Concrete in Marine Environments. One, proper mix proportions using the optimum cement content will yield a dense, impervious and relatively unabsorbent concrete. Two, the optimum concrete is 6 and one half to 7 and one half sacks per cubic yard and the water/cement ratio should not exceed 6 gallons per sack of cement to produce a mix...
What Are the Mix Ratios for Cement and Sand? The basic mix ratio for concrete is one part water, two parts cement and three parts sand. An alternative ratio is one part cement, two parts sand and three parts gravel with enough water added until the mixtures reaches the consistency of thick mud.
Furnace Slag (GGBS) and Rice Husk etc.. In this content Metakaolin was a pozzolanic material used in wide ... Natural Sand with Metakaolin and ROBO Sand II. EXPERIMENTAL PROGRAMME 1) CEMENT ... CONCRETE MIX DESIGN Concrete Mix Design of Grade M 40 have been done as per of the recommended guidelines of IS: . The weight ratio of mix ...
Fly Ash Types. Currently, more than 50 percent of the concrete placed in the contains fly ash. Dosage rates vary depending on the type of fly ash and its reactivity level. Typically, Class F fly ash is used at dosages of 15 to 25 percent by mass of cementitious material, and Class C .
Concrete Mix Design with Portland Pozzolana Cements The Indian standard IS: recommends the use of Portland pozzolana cement (blended cement) as well as mineral admixtures for concrete mixes provided that there are satisfactory data on their suitability, such as performance test on concrete containing them.