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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...

01 February 2019 3,759 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...

08 September 2018 3,350 4 View

Does seggregation explains poor concrete strenght?

07 August 2017 7,668 15 View

No title

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...

11 December 2016 8,864 8 View

Cause of slab crack?

10 November 2016 3,387 11 View

How to determine the severity of concrete bleeding?

10 November 2016 4,966 10 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...

02 March 2015 2,773 2 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 574 6 View

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

01 January 1970 8,588 3 View

How to compare two groups with only two measurements?

Hiiiii everyone! I have an enquiry on statistical analysis. I was looking for many forum and it's still cannot solve my problem. I want to compare means of two groups of data but only with two...

03 March 2021 8,796 3 View

Enhanced Yellow Fluorescent Protein (Aequorea victoria) DNA sequence?

I am on the lookout for the Enhanced Yellow Fluorescent Protein (Aequorea victoria) DNA sequence. Does anyone know where I can find it? Thank you in advance

03 March 2021 3,568 1 View

What kind of fluid could I use for a pitfall trap that also does not invalidate molecular testing?

Hi, I want to start testing pitfall trap to obtain ants samples, but I need to conduct molecular analysis on those insects. So, what kind of fluid can I use? Ethanol expires too early and I need...

03 March 2021 5,978 5 View

What's the best way to measure growth rates in House sparrow chicks from day 2 to day 10?

What's the best way to measure growth rates in House sparrow chicks from day 2 to day 10? Since, the growth curve from day 2 to 10 won't be like the "Logistic curve" it might not follow logistic...

03 March 2021 1,401 3 View

Do we need to write protocol for a second study of a systematic review that has been registered and published?

I have conducted and published a systematic review and meta-analysis research with the topic related to public health and health pomotion (protocol was registed in PROSPERO). Now we want to...

03 March 2021 8,920 3 View

How to increase a model accuracy ?

dear community, my model is based feature extraction from non stationary signals using discrete Wavelet Transform and then using statistical features then machine learning classifiers in order to...

03 March 2021 6,994 5 View

What techniques can I use to determine the miscibility of polymer blends?

The term miscibility refers to the single-phase state in thermodynamics. I do not mean the compatibility of different components. To determine the miscibility I know several techniques such as...

03 March 2021 4,107 4 View

Do I need to do linear regression before running mediation analysis using PROCESS MACRO by Hayes ?

I just wanted to check if I need to run a linear regression separately if I am using PROCESS MACRO to run mediation analysis. Thank you.

02 March 2021 4,359 3 View

Sample dilution for quantitative analysis using ELISA?

If the detection range is in ng/ml but the reference range is in ug/ml for a molecule or protein in serum or plasma .how to dilute and what is the initial volume to be taken for quantitative analysis

02 March 2021 7,670 3 View

Is There Any Feasible Method To Test Fluorescent Compounds Other Than Fluorescence Spectrometers ??

Is There Any Feasible Method To Test The Efficiency Of Fluorescent Compounds Other Than UV Spectrometers ? Suggestions Would Be Appreciated !

02 March 2021 5,785 3 View