Ref. Code IRC: 112-2020 Favourable bond conditions: For normal weight concrete, the bond conditions are considered to be favourable for: (a) All bars, with an inclination between 45° and 90° to the horizontal (b) All bars which are horizontal or have inclination up to 45° to the horizontal and are: a) either placed in members whose depth in the direction of concreting does not exceed 250 mm b) or embedded in members with a depth greater than 250 mm, and when concreting is completed, are: either in the lower half of the member at least in concrete portion located below 300 mm from its top surface Unfavourable-bond conditions : All other conditions are considered as unfavourable bond conditions.
Knowledge about Civil Engineer & Quality Control. ✓Testing of Soil, Cement, Aggregate, Admixture, Water, Concrete , Bitumen, Steel & other construction materials. ✓Mix Design of Concrete (M25, M30, M35, M40, M45, M50, M60), PQC, DLC, GSB, WMM, DBM, BC, Mastic, Cement Grouting and other. ✓Site Laboratory Setup ✓QAP (Quality assurance plan) ✓QAQC Checklist ✓IS , IRC, MROTH, RDSO, ASTM specifications