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Questions related from Linh Nguyen
There is a building with 5 basement levels. Top-down sequence is going to be applied. This deep excavation is modeled using Plaxis software. The basement RC slab are used as horizontal strut to...
10 October 2017 7,582 3 View
Now, I need to calculate the section capacity of this shear wall. For shear, the shear capacity is sum of 2 parts of piers. However, for moment, it is not like that. If I consider it is as a gross...
03 March 2016 7,109 10 View
How can I specify Acceptance strains of concrete and steel materials for Immediate Occupancy (IO),Life Safety (LS) and Collapse Prevention (CP) levels in Nonlinear Analysis?
10 October 2015 5,584 4 View
How do we know Residual strength of Concrete and Steel rebars? For example: Steel Grade 60, and Concrete f'c=28 MPa in American standard.
09 September 2015 3,495 3 View
How do they calculate Deflection amplification factor, Cd, in ASCE 7 standard?
09 September 2015 538 0 View
Why ASCE 7 requires that the design base shear determined using Modal Response Spectrum is not less than 85 percent of the base shear determined using Equivalent Lateral Force?
09 September 2015 9,865 0 View
In ETABS, I defined Response Spectrum Functions in UBC97, ASCE 7-10 and Eurocode 8-2004 types, howerver these Response Spectrum Functions use only 5% damping ratio. When I change the damping ratio...
07 July 2015 5,456 9 View
I modelled a building (Dual shear wall/frame building) by using ETABS and PERFORM 3D with the same meshing. However, I got the difference between natural time period of ETABS model and the one of...
06 June 2015 7,214 12 View
In the attached picture, there are Trilinear Relationship and related parameters of concrete material in PERFORM 3D software. How to determine these parameters (compression stress FY, FU;...
05 May 2015 8,730 4 View
According to current codes for the seismic design of structures, the design base shear is calculated by dividing the base shear obtained through modal synthesis in conjunction with an elastic...
02 February 2015 7,245 3 View
Please help me explain how to get the value of site coefficient or provide me any document to read. For example: the site coefficient value in ASCE 07-10 (the table in attached file).
12 December 2014 3,681 6 View
To understand the response of a deep basin subjected long-period ground motion, we can construct 2D or 3D model. From that we can study the basin effect on response spectrum. What are the methods...
11 November 2014 9,201 5 View
