1)What is the difference of contraction joint & expansion joint in pqc road? 2) why need curing after concreteing? 3) what do u mean by M20 gread of concrete. 3,) what is scaffolding & why need? 4) difference b/w bleeding and segregation of concrete? 5) some questions come also sive analysis, moisture correction and cube test , & about BBS etc.

AnswerBot
1y

Answers to questions related to civil engineering interview.

  • Contraction joints are used to prevent cracking due to shrinkage, while expansion joints allow for the expansion and contraction of concrete...read more

Suraj Kumar
22d
नमी की हानि को रोकने, उचित जलयोजन बनाए रखने, तथा कंक्रीट की मजबूती और स्थायित्व को बढ़ाने के लिए कंक...read more
Anonymous
author
2y
3) M for mix which indicates mix desine & 20 is the strength on 28 days 20 N/MM² so m20 is designation of gread of concrete.
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