Air-entraining agent is very effective in reducing the bleeding. The air entrained concrete is more plastic and can be handled more easily than ordinary concrete. Add air entrainment to the mix. Air can be entrained in concre t e by either of two methods: the use of air entraining agents or of air en-t r aining cements. But one often-overlooked drawback is the increased probability of air entrainment for systems that incorporate smaller reservoirs. Air entrainment — how it happens, how to avoid it. Use chemical admixtures that permit reducing the water to-binder ratios or provide other means capable of reducing the bleeding of concrete. Entrainment of air into the mix to increase workability and decrease in water demand. Method #7. Bleeding can be reduced by the use of finer cement or cement with low alkali content. Like the other methods, this involves adding more particles to the mix to absorb water. 6) Increase the amount of fine aggregate if sand is coarser (fineness modulus of 2.5 to 2.8 best suited) in mix and reduce aggregate proportionally. The benefits of SCMs also include increased workability, greater strength over time, and lower cost to supplement cement. Method #5. The benefits of smaller machinery are obvious: economy of materials, less energy consumption, less square-footage required. Benefits of Air-Entrained Concrete. The main primary purpose of the air entrainment in the concrete is to increase the durability of the hardened concrete where the climates are subject to freeze and thaw. The former in-clude such products as natura l 5) Add more cement in the mix. Method #6. Air entraining admixtures can also reduce bleeding by increasing cohesion in the fresh concrete and slowing segregation. Due to air stickier is produce so it gives good less result of segregation and good attractive surface of the concrete. Better place-ability of air entrained concrete results in more homogeneous concrete with least segregation, bleeding and honeycombing. The main reason for using air-entrained concrete is for the increased resistance of concrete against the alternating freezing and thawing cycles of water, which can occur during those periods when the surrounding temperature drops below 0 ° C. amount of air entraining agent, type and gradation of aggre g a t e , hard-ness of water, length and means of mixing, brand of cement, and con-c r ete tempera t u re ) . Use air entraining admixtures Generally, water reducers will decrease bleeding but they may actually end up increasing this rate based on their chemical composition. 4. Use air-entrained concrete. The main secondary purpose is to increase the workability of concrete at its plastic stage. - Air-entranment is encouraged for use even when there are no freezing and thawing concerns - Increased workability with constant w/cm ratio - Reduced potential of segregation and excessive bleeding Use or increase the amount of supplementary cementing materials such as fly ash, slag cement, or silica fume. In this case, the particles are air bubbles. Air entrainment also increases the pump-ability of the concrete to a great extent. Rich mixes are less susceptible to bleeding than lean mixes. However, air entrainment is neither universally needed nor always useful. 4) Using air entraining admixtures is very effective in reducing the bleeding. 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