Ravi kanth Sriwastav

7 Questions 11 Answers 0 Followers

Questions related from Ravi kanth Sriwastav

Is it possible to capture parametric instability due to vertical component of ground motion response spectra analysis ?

The combined effect of gravity and vertical excitations on the mass of a structure can introduce parametric excitation terms in the equation of motion. Parametric excitation occurs when the...

01 July 2023 4,751 0 View

Is there any database of P-wave velocity profile for sites in Europe/Taiwan/New Zealand?

Different database provides Shear wave velocity profile (Vs) (and sometimes P-wave velocity ) for most countries, for eg. ESM (Engineering Strong-Motion) provides Vs and Vp for Europe. However,...

19 February 2022 6,694 1 View

Is there any credible source (Database) of recorded Rotational (Torsional & Rocking) earthquake time history data?

I am looking for recorded earthquake rotational time history (ground motion) data; both torsional and rocking. Is there any database to procure these data ?

16 February 2022 6,867 5 View

How is a site class defined in terms of P-wave velocity ?

Shear wave velocity (Vs) of a site is defined as by weighted average of Vs of top 30m soil profile defined as Vs30. Vs30 is generally used as a proxy to define a site class. What is the equivalent...

04 February 2022 2,835 0 View

Why is there dip in the Horizontal spectral ordinate at short period (<0.1s) for synthetic ground motions obtained for medium/stiff soil site?

I have observed that there are usually a dip in the spectral ordinate (Sa/g) at short period (

25 September 2020 2,023 4 View

Moment curvature plot in SAP2000: What should i refer to understand the background calculation which SAP2000 does to generate the M-phi ?

The moment-curvature plot in SAP2000 is based on the material stress-strain plot of caltran (along with its material FoS). I would like to understand the detailed calculation to obtain the plot...

14 August 2020 6,027 3 View

Time history Data of past Indian Earthquakes from PESMOS Database ?

I am trying to obtain time history data of Indian earthquake from PESMOS database (pesmos.in) maintained previously by IIT Roorkee. Probably the website is not being maintained at present (...

20 May 2019 5,321 8 View