Quang Van Nguyen

7 Questions 8 Answers 0 Followers

Questions related from Quang Van Nguyen

Measure strain of concrete structure which use EROSION criteria (MAT_000)?

Hi everyone, I am working on soil-box tunnel structure interaction under earthquake loading. The solid element is used to model soil and concrete structure both. The concrete structure is...

09 September 2018 6,278 0 View

What kind of the strain limits in FEMA(2009)?

Hi everyone, I have seen a table of strain limits in the design earthquake for the structure in the FEMA (2009). My question is what kind of the strain limits which shown there. Is it axial train...

07 July 2018 791 0 View

How to calibrate PDMY nonlinear soil model parameters?

Hello everyone, I want to use PDMY model to run soil-structure interaction in OpenSees but I dont know how to calibrate parametes else if I had shear wave velocity and density. Is there anyone...

11 November 2017 2,806 0 View

How to define Soil-structure contact in LS-DYNA?

Hi everyone, I am modeling 2D tunnel - soil interaction under seismic loading but I have problem in soil-tunnel contact. Soil is shell element and tunnel lining is beam element. I want to...

10 October 2017 7,369 4 View

Relationship of tensile strength, compressive strength and elastic modulus of normal weight concrete?

Dear all, There are many equations about the relationship of tensile strength, compressive strength and elastic modulus of normal weight concrete. May anyone help me some recommendations such as...

12 December 2016 4,912 13 View

What is no-slip or full-slip conditon?

Hello anyone! I am reading some papers relative circular tunnel, but i don't know about no-slip and full-slip condition. Could anyone explain detail to me? Thank in advance! Some papers of ...

04 April 2016 5,505 5 View

Have anyone ever used Flac software to perform tunnel?

03 March 2016 5,122 3 View