David Flores Vidriales

10 Questions 12 Answers 0 Followers

Questions related from David Flores Vidriales

¿How can i model concrete damage when loss of mass is important?

I am trying to model the foundation of a bridge that has damage to the junction of the column foundation with the piles and loss of cross section and, I would like to know how it could take into...

02 February 2019 3,838 3 View

Can ETABS design a non-prismatic concrete section?

Can ETABS design a non-prismatic concrete section? I have been trying to make non-prismatic beam design in ETABS, but every time I try to run the concrete design module, an error shows. I would...

09 September 2018 3,478 4 View

How can i calculate the stiffness matrix of a Non prismatic element??

I am trying to calculate the stiffness matrix of a Non-prismatic beam, but I am having trouble understanding the concept. I will appreciate any help

09 September 2018 7,624 4 View

Does seggregation explains poor concrete strenght?

I have some small doubt and I really hope you can help me to understand the phenomenon which I will try to describe as best a I can. An AASHTO beam type IV of specified compressive strength F´c =...

08 August 2017 7,744 15 View

How does the change in cement class affect concrete F´c?

During the construction of a 200 cubic meters structural element, the cement which is used to make concrete (CPC 40) was depleted, so the company whose building the bridge changed the cement to...

12 December 2016 8,946 8 View

How to determine the severity of concrete bleeding?

Yesterday in the field we had some trouble with the bleeding in our concrete, the bleeding was adjudicated to the admixture (we use sikament 450 at .08% per weight of cement), here is some data: ·...

11 November 2016 5,069 10 View

Cause of slab crack?

We found out some cracks and maybe even fractures in a concrete slab of a reinforced soil wall, i Think they aré caused by a poor construction joint and thermal stress. what do you think, can i...

11 November 2016 3,471 11 View

How can I calculate the lateral torsional buckling of cruciform-shape steel?

Greetings: Does anybody know how can I calculate the lateral torsional buckling of a cruciform steel shape, i want to do it according to the AISC 2010 but i can not find any mention of this kind...

03 March 2015 2,859 2 View

Is the a relationship between chloride permeability (RCPT) and concrete porosity?

I´m currently trying to emule the RCPT from this article...

01 January 1970 8,674 3 View

How can i determine the optimun carbon fiber reinforcement on concrete estructures under compresive forces?

I have done a number of test on concrete beeing confined with carbon fiber, the test shown a really good correlation with the teory, but i cant replicate previous studies done on my university, i...

01 January 1970 650 6 View