Answer Posted / avijit roy chowdhury

Coefficient of thermal expansion of concrete is 2 x 10⁶
where as coefficient of thermal expansion of steel is 2.1 x
10⁶ which is more-less same. For this reason in concreting
steel is used not gold.

What is the difference between Fe 500, Fe 500 D and Fe 515.

4073

---

hii.plz send me hpcl placement papers for officers trainees for graduate engg plz my email id is ajm_knit@yahoo.com

2286

---

What is the standard specification of MOR and Water Absorption of Homogenous Ceramic Floor Tiles?

2233

---

what do you know that m20,m25

1905

---

Define Who designed the city of Washington DC?

1104

---

what might be the problem faced in the near future if the M-sand is used in the place of river sand during wall plastering? (As per IS)

2003

---

five benefits of using standard terminology in the measurement process

3441

---

plz.show development and anchorage length in simple diagram.

2577

---

Slab quantity 

2041

---

for 200 kg of cement how is the mix proportion in kg for m25 grade of concrete

1937

---

What is the difference between absorption & adsorption and sorption?

1210

---

Please let me know about answer for my Question as "What is the maximum wastage allowable of HYSD Steel in any Bridge project as per Code and Code reference also ?

1874

---

What is Heavy Concrete & Normal Concrete

2810

---

Does degree of bend of rebars has any effect on strength of the member? For example- if a beam is designed with 45 degree bent up bar with respect to architechtural needs and is not 45 in practical so will there be any reduction in the strength of member?

2119

---

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?

2865

---