Raed Ahmad

13 Questions 81 Answers 0 Followers

Questions related from Raed Ahmad

Please explain the following power answers?

How we can understand the following answer: 1.01^365=37.78343 0.99^365=0.025518 The difference is just 2% between two numbers. How much error and uncertainity is produced because of numerical...

11 November 2017 4,731 5 View

What we need to publish our work in international journal?

Free of charge publication in a good journal may take long time and hard reveiwing process to be passed. What we need to publish our articles in good journal in faster way. Will our private...

10 October 2017 5,006 11 View

Could you explain the meaning of mode shape in structural dynamics?

The definition of " mode shape" for multistory building subjected to earthquake load. This mode may take first of 2 ..3 etc mode, Does any one explain the meaning of this term physically and...

10 October 2017 595 4 View

What are the controlling periods that required by Design Engineer?

The design engineer may desire low base shear by period shifting with soil interaction, connection assumptions , using low E etc... In order to avoid unusual base shear the upper limit is defined....

10 October 2017 800 0 View

What does decimal digits mean?

if we multiply 2x24 = 48and if we take the decimal digits for example 2.08 x 24 = 49.92 Now which answer is correct or both answers are correct? Now if the unit is km so the error is too big 1.92...

09 September 2017 8,253 12 View

How to compute error, residual and uncertainty analysis for any dataset?

In statistical and probabilty anslyses we are asked to compute error and uncertainty curves and values. Do you think there are absolute fixed error or uncertainty? Do we reach the time to say...

09 September 2017 370 4 View

Can we use Esri City Engine program as an altrenative to AUTOCAD and 3DMax engineering softwares?

It well known that AutoCad and 3DMax are the most important softwares for engineers. So recently Esri company has presented a program called CityEngine, does this program can be used alone to...

09 September 2017 1,128 2 View

What is the relationship between hardness and the concrete strength?

The Rockwell K and F scales were found to be suitable for the hardness determinations. Over a wide range of hardness and strength values, the average compressive strength (fc) varied linearly with...

07 July 2017 5,780 9 View

From earthquake point of view, what are the most dangerous building construction?

One way to to make a simple structure more resistant to lateral forces is to tie the walls, floor, roof, and foundations into a rigid box that holds together when shaken by a quake.

07 July 2017 3,614 3 View

Environmental hazard using fuzzy algorithm? Could you please suggest some articles.

How can we use fuzzy algorithm in Environmental hazard and regional environmental planning? Please suggest some articles.

06 June 2017 8,318 1 View

Can anybody explain to me how pressure increase the seismic noise and why?

I read that there is a direct relation between variation of pressure and seismic noise: high pressure correspond to an increase of noise, low pressure correspond to a decrease of noise.

06 June 2017 3,414 6 View

Can anybody tell me how to get surfseis?

Do you have this geotechnical program?

06 June 2017 8,042 3 View

What are the procedure for preparation of liquefaction susceptibility map?

Previous evaluations of regional liquefaction hazards identify several geologic and hydrologic factors that influence the susceptibility of a deposit to liquefaction, including (1) the age and...

06 June 2017 5,707 3 View