While preparing Bill of Quantities (BOQ), word format is generally preferred. It is a nuisance in excel for more than 500 items. Thus,…
Index and Match For Complex Search in Excel
For a complicated database search in excel, use of index and match is superior to any of other lookup technique. Following is the…
Nikkor Lens Compatibility Chart
As I own a nikon camera, it is always difficult to know which lens are compatible with the DSLR I have. This link…
Ticket to Mars
https://go.nasa.gov/30YvWc
Fundamentals of Bridge Rating
Bridge rating is a continuous activity of the agency to ensure the safety of public. It provides information to repair, rehabilitate, post, close…
Navier Stoke’s problem “Water Flow in a Pipe”
In nature, we know water flows from higher elevation to lower elevation. We have seen this from the river flowing from the up…
Bridge Loads
Permanent and Transient loads Permanent loads remains in the bridge for an extended period of time, usually for the entire service life. Loads…
Elastic limit and Proportionality limit
We all have been taught in our high school that for a material like metals (steel or iron) they follow a proportional path…
EPANET Example
A 50 ft diameter tank is located in a city to supply drinking water for a small community. The tank is 20 ft.…
EPANET essentials
EPANET is a powerful software yet the information to understand for a self starter is complicated. For a foreign student like me who…