
Monitor 90 Micron Sieve in Cement
We are monitoring the cement fineness by 45 micron only but not by 90 micron. How important to monitor 90 micron residue in cement. Explain. Also in our clinker the MgO is around 4.3 %. We would like to produce OPC 43 grade cement , but it is failing in auto clave test. Is there any alternative available to produce OPC 43 grade with this much MgO in clinker.

Different Use of PC 42.5 and PC 52.5 Grade Cement
Is there any specific use of PC 42.5 and PC 52.5 cement? For example / may be / PC 52.5 is mostly used for fundamentals of a construction and PC is durable for upper levels of the construction? Any specifications?

Concrete Caculation for Tower Foundation
Explain concrete calculation for mobile tower foundation for M20 and M25

Footing Design
A footing has to be designed for sloppy land where lateral load acting. Which method will you select and why?
(a) Meyerhof
(b) Terzaghi
(c) Hansen

Cost Evaluation Process
What is the process of cost evaluation in a project?

Volume of Limestone Pile
How can we calculate the volume of limestone pile? (in cement industry)

Volume of Limestone Pile
How can we calculate the volume of Limestone Pile by formula?
Can we calculate this by using the formula,
V = (L x W x H)/2 + (π r2)/3
where
L = Length of Pile
W = Width of Pile
H = Height of Pile
r = Radius of Cone
I have confusion using this formula. The L, W , H and r are not cleared to me.
Can anybody help... 
Pavement Management Systems
How to determine the amount of PCI for asphalt surfaced roads and parking? Why the sample unit for flexible pavement is allowed to be chosen for a unit with a range of 90 squares meters?
the question is not about the amount of range, but about why it is allowed? 
Best PPC cement for 6" thick RCC belt above rubble foundation for house construction
Please suggest the best PPC cement for 6" thick RCC belt above rubble foundation for house construction in Kerala..?
The available brands here are ACC, Bharti, Dalmia, Ultratech.
Dalmia Vagram says its 1 : 1.75 : 3.5 ratio is equal to 1 : 1.5 : 3 of other cements so less cement for same strength of other cements. Is it true? 
Solution for RCC Slab and Beam with wrong Concrete Ratio
Site dimension is 30ft*40ft and we have total 14 columns and we have lift planned in the plan too. Also our finished roof height is 11" as per the plan. We are planning to construct Ground + 2 floors of 1000sqft each on first and second floor. Ground floor we have have 1 BHK + 2 car parking. Everything was going fine but for our ground floor roof slab, contractor used wrong concrete mixture of 2:5:7(Cement:...

Construction Joint and Expansion Joint
What is mean by Construction Joint and Expansion Joint, How much measurement both joint

Does anyone know about the construction ecology, with plastic bottles and concrete?
I ve seen in some countries this practice, where they build their houses with these materials.

Calculate plastic section modulus(z)
How to calculate plastic section modulus(z) and second moment in beam delta?if impossible of example number calculate



Why do you change to environmental engineering from civil engineering ?
Why do you choose environmental engineering and why do you want to change

DMC piling method
Full statement of dmc piling method with compleat description about boring to casting if possible picture also.

Quantity Survey Billing Engineer  Butt Filling Question
Butt Filling in pop works is in contractors scope...yes or no give reason

RCC member weight
How to calculate RCC member unit weight by using IS Code 875 part I.
while standard weight RCC 25KN/m3 
Civil Engineering Interview Questions
Ans