Important Points Are Remember As A Civil Engineer

IMPORTANT POINTS(Part 4)

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•  Water cement ratio for different grades of concrete shall not exceed 0.45 for M20 and above and 0.50 For M10 / M15.

• Cement shall be stored in a dry place on a raised platform about 200 mm above floor level 300 mm away from walls.

• A set of cube test shall be carried out for each 30 cubic meter of concrete or each level of casting or each batch of cement. 

                           

                                                        CUBE TEST

• Cement bags to be stacked not more than 10 bags high in such a manner that it is adequately protected from moisture and contamination.

• For concrete grades M20 and above approved admixture shall be used as per mix design requirements.

• Dimension tolerance for cubes + 2 mm.

• Compressive strength of brick is 3.5 N/mm2.

            
                                  COMPRESSIVE STRENGTH TESTING

• Curing days required for Super Sulphate Cement- 7 days.

• Curing days required for Ordinary Portland Cement- 10 days.

• Curing days required for minaral and admixture added cement- 14 days.

• Traffic signs are divided into 3 categories-

(i) Regulatory Signs 

(ii) Warning Signs

(iii) Informatory signs 

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I am a Civil Engineer and knowledgecivilengineer.blogspot.com is my blog about the basic knowledge of Civil Engineering.Here, you can learn the questions and answers of interview for a civil engineer.

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