Shafi Ullah

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Questions related from Shafi Ullah

Rational design of prestressed concrete containment of NPP?

What is the most simple and rational method of design of prestressing tendons for a Nuclear Power Plant containment building?

02 April 2023 3,474 0 View

Initial or preliminary design of pre-stressed concrete containment for NPP?

What are the details of initial proportioning or preliminary design of a pre-stressed concrete containment for Nuclear Power Plants?

31 March 2023 7,572 0 View

EU, BS and US Codes and Standards for Design of Water Supply System?

What the best codes and standards for the design of a water supply system (plumbing design) in US, UK and EU?

15 April 2019 8,382 5 View

Main instrumentation for measurement of different parameters during Structural Integrity Test (SIT) of Containment?

What are the main instruments used for measurement of different parameters, such as displacements, strains, etc, during the Structural Integrity Test (SIT) and Integrated Leak Rate Test (IRLT) of...

23 May 2018 6,005 2 View

What are the main parameters of the tunnels in Vestfolds, Norway: cross-sectional dimensions, length, rock type and so on?

Some tunnels are to be rehabilitated in Vestfolds, Norway. What are the main parameters of these tunnels: cross-sectional dimensions, lengths, rock types and so on.

16 January 2017 3,247 2 View

What is frequency of CBR testing for road design?

I have to design a rigid pavement road and conduct geotechnical investigation along the road alignment. In this regard, I need to conduct a few California Bearing Ratio (CBR) tests along the road...

26 October 2016 8,745 16 View

How to compare the Single-Shell method of tunnel construction (NMT) with the Double-Shell one (NATM) ?

There are two principal methods of tunnel construction: the single-shell known as the Norwegian Method of Tunneling (NMT) and the double-shell referred to as the New Austrian Tunneling Method...

30 September 2016 655 5 View

What is the best and cutting edge software, nowadays, for tunnel design the World over?

Hey Researchers, I want to purchase a tunnel design software for a design firm. Could anyone suggest me a state-of-the-art software for this purpose?

23 September 2016 8,683 18 View

How to calculate the PGA value for seismic structural design life of 300 years?

I need to design an RCC structure for a useful life of 300 years. The available Peak Ground Acceleration (PGA) value is 0.20 for Zone 2B of Pakistan. But this value is for structures with a useful...

25 August 2016 7,152 13 View

Which one of the Euro Codes is applicable to the concrete technology.? Does it contain all the requirements / specifications for concrete ingredients?

Which one of the Euro Codes is applicable to the concrete technology.? Does it contain all the requirements / specifications for concrete ingredients such as water, cement, fine aggregate, coarse...

24 May 2016 238 3 View

Structural design of a nuclear containment building

Hand calculation for preliminary structural design of a pre-stressed Nuclear containment for an arbitrary internal presser and external load.

01 January 1970 1,936 2 View