Answer Posted / himanshu sekhar pradhan

Actuall all grade of concrete design upon its target
strength. Then for M20 we have to design the mix on
26.6N/mm2 and all grade of concrete should achive its 60 -
75% strength in 7days. Then the actual strength of M20
grade of concrete at 7days should be 17 -20 N/mm2.
Otherwise there is chance of fail.

Why Should Curing Not Be Done By Ponding And Polythene Sheets?

1238

---

If a slab concrete is placed with M-20 grade concrete, actually it has to be placed with M-30. what are the rectifications / measures to be taken after concreting is done.

2335

---

1. For 10sq.m area(47 kg bitumen contain) of 45 mm thick bitumen mix layer..how much bitumen is required for 1600 sq.m and how much aggregate need for that ?? 2. And much tonnage of bitumen mix required for 10 sq.m area of 45 mm thick. Please give answer...

2016

---

what is the minimum cement content for M20 & M25 as per is code -456(2000).

3126

---

what is E VALUE FOR WOOD

1999

---

Define What does civil status mean?

1341

---

std penetration resistance in very stiff clays lies bet 2 & 4 4 & 8 8 & 15 15 & 30

1967

---

strength of bitumen concrete with 80-100 & 60-70 grade bitumen

2064

---

how to determine the correctness of proportion used in cement mortor and various IS codes to determine the same?

2105

---

i am laying a base of dimensions 6.5feet by 7feet by 1.25 feet depth how many bags of 25kg cement and how many bags of 25kg sand will i need

2452

---

What is the difference between pvc,cpvc and upvc and where it is used as per their properties?????

2942

---

I want to join bhel because

2139

---

what is the use in canals of longitudinal drains and cross drains in lining areas?

1860

---

how to compute slab reinforcements on step by step procedures??

5662

---

what is the water cement ratio for plastering

1591

---