Nettet11. jul. 2024 · Here’s the definition of lean concrete: Lean concrete refers to a mix where the cement used is less than water. Concrete with a high ratio of aggregate to cement is called lean concrete. Technically, the mix is called lean concrete mix if its cement content falls below 10 percent. Concrete bends more if the aggregate/cement ratio is higher. Nettet1. apr. 2002 · WARNING: (1) polythene should never be used under foundations that depend on friction with the ground, e.g. base of retaining wall designed to resist sliding. (2) blinding concrete should always be sprayed with water before the structural concrete is poured to prevent absorption of water from the lower layers of the structural concrete.

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Nettet27. jul. 2024 · The concrete shall be in accordance to approved mixed design from approved concrete supplier with the required compressive strength of C12/15 or 15 … Nettet25. jan. 2014 · Blinding concrete shall be poured to the level indicated in the approved drawing and finished with the float. Blinding shall be finished in a smooth finish and free of any projection. Reply. Fareed Talat … reddit is flexjobs worth it

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NettetLlad concrete services also offers Excavation and Earth Boring. No job is to small or big for Llad concrete cutting. Contact us to get your free estimate. EXCAVATION. EARTH … Nettet4. apr. 2009 · This material in the overexcavated area is often called blinding concrete. Another use for blinding concrete is under a continuous slab or mat foundation which … Nettet5. mar. 2024 · Blinding concrete should only be used: to protect the bottom of the trench/excavation where there is a delay in pouring structural concrete. where the foundation has been slightly overdug. to provide sufficient support to ensure cover to reinforcement is maintained, or. where localised soft spots have been removed. knrs off air