What should be the maximum allowable time for placing ready mix concrete? The specification requires concrete placement within 90 minutes of batching at the plant. What is the significance of this 90 minutes & should this be used as a rejection criterion? What effects does the concrete has after that time period?

0 Answers   IOCL,

---

what is the measure of slump

9 Answers  

---

How can we improve the capacity of a existing foundation?

2 Answers   Student,

---

What is the difference between Design and nominal mix?

2 Answers   HHH,

---

If the proportions of concrete is a:b:c i.e if "a" parts of cement,"b" parts of fine aggregate & "c" parts of coarse aggregate are mixed by volume. Then the resulting volume will have a volume of ------? How?

0 Answers  

---

For a three storey residential house,tmt steel of what grade is good fe415d or fe500d

2 Answers  

---

how to calculate freeboard in under ground water tank and technical details

0 Answers  

---

How to find CN by using arcgis 9.3?

0 Answers  

---

what happened if the diameter of capillary tube is double then the capillary rise will be

7 Answers   Bhel,

---

how much steel required for 1 sq.m area?

12 Answers   L&T,

---

Please let me know the simplest way of Calculating mix designs for any grade.

1 Answers   Bureau Veritas,

---

What is the difference between NP2 and NP3 Class RCC Hume Pipes

5 Answers   Honest Derivatives Pvt. Ltd, Indian Hume Pipe Co, M2K,

---