How do they calculate Deflection amplification factor in ASCE 7 standard?

09 September 2015 0 594 Report

How do they calculate Deflection amplification factor, Cd, in ASCE 7 standard?

Badges
Science topic

More Linh Nguyen's questions See All

Does CSI SAFE program take into account the in-plane force from earth pressure in the analysis?

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...

09 October 2017 7,621 3 View

Moment capacity of shear wall which have spandrel?

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...

02 March 2016 7,136 10 View

How can I specify acceptance strains of concrete and steel materials for immediate occupancy, life safety and collapse prevention levels?

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?

09 October 2015 5,620 4 View

Why ASCE 7 requires that the design base shear determined using MRS is not less than 85 percent of the base shear determined using ELF?

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?

08 September 2015 9,897 0 View

How do we know residual strength of concrete and steel rebars?

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.

08 September 2015 3,533 3 View

How do we define Response Spectrum Functions in different damping ratios in ETABS?

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...

06 July 2015 5,674 9 View

Why is there a difference between natural period of ETABS model and the one of PERFORM 3D model?

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...

05 June 2015 7,409 12 View

How can I determine the parameters of concrete material in PERFORM 3D software?

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;...

04 May 2015 8,758 4 View

How do engineers calculate Reduction factor in the seismic code? Is there any method to determine Reduction factor without Pushover or NLRHA?

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...

01 February 2015 7,267 3 View

Can anybody help me explain how to caculate the site coefficient values in Building codes?

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).

11 December 2014 3,719 6 View

How can I prepare virus for a TEM or SEM imaging?

I have virus (viral hemorrhagic septicemia virus) in suspension and the experiment will not involve cells. What level of TCID50 is preferred?

11 August 2024 3,115 1 View

How to learn more about SPSS and its Application?

I would like to learn more about SPSS and Its application especially in regards to data analysis. Please suggest me how I can learn more about it. Thank you so much.

11 August 2024 9,101 4 View

Can I base on reverse DNA sequences to perform alignment, convert to amino acids and GenBank submission?

I have reverse sequences (AB1 format), can I base on reverse DNA sequences to perform nucleotide alignment, convert nucleotides to amino acids and deposit the sequence in GenBank database?

11 August 2024 5,138 1 View

Baseline drift in HPLC? What causes this?

Hello, Why do i see this baseline drift when i compare my blank (black) to the sample (blue)? Any suggestions as to why this happened? Thank you!

11 August 2024 3,770 4 View

Text-Communication from the M1 Hand Area using BCI—and then there is Elon Musk?

Willett, Shenoy et al. (2021) have developed a brain computer interface (BCI) that used neural signal collected from the hand area of the motor cortex (area M1) of a paralyzed patient. The...

10 August 2024 7,180 0 View

Has anyone applied Python in the field of textile engineering for data analysis, automation, or smart textiles?

I'm currently exploring the application of Python in textile engineering, specifically in areas like data analysis, process automation, and the development of smart textiles. I'm interested in...

10 August 2024 7,429 2 View

Geotechnical Engineering (Proceedings of the ICE) time review?

Hello everyone, I recently submitted an article to Geotechnical Engineering (Proceedings of the ICE), and the current status has been listed as "EiC Pre-assessment: Ready" for the past 20 days. I...

10 August 2024 6,493 1 View

How can I use the cif data obtained from rietveld refinement extracted via gsas2, for microstructural analysis using ETEX software?

09 August 2024 7,718 0 View

How are iso-frequency contours plotted?

Let's say we have a standard, regular hexagonal honeycomb with a 3-arm primitive unit cell (something like the figure attached; the figure is only representative and not drawn to scale). The...

07 August 2024 1,937 1 View

How to prepare the nanoparticle treated fungal sample for Environmental SEM analysis?

A fungal strain was treated with nanoparticles. We want to do an environmental SEM analysis. So could anyone share your views on preparing the sample? Thank you.

07 August 2024 5,307 1 View