What is asphalt Mastic Theory /Filler Theory/adsorption theory?

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How to make ppb level concentration ?

Hi, I've N2 gas cylinder and 100 ppm NH3 gas cylinder. With these two cylinders, I'd like to make a ppb level (1- 100) concentration. Any idea how to do that?

01 February 2021 3,264 2 View

Whether L version and D version peptidesshould have identical NMR, especially in the state of self-assembly?

Whether L version and D version peptides should have identical NMR, especially in the state of self-assembly have to have identical NMR? How to use HRMS to confirm L version or D version...

01 February 2021 6,756 4 View

What will be the possible reasons to cause no bands on gel electrophoresis?

Hi, I am doing RNA extraction for my final year project. After extraction of RNA by using conventional method, I did quantification and qualification of RNA by using Nanodrop spec and gel...

11 January 2021 8,775 10 View

How to increase the attachment of the HEK293t cells to the glass coverslips or cell dishes?

Hey guys, I always have problems with the attachment of HEK293t cells to glass coverslips while doing IFA. They are so easy to detach from the coverslips while washing. The coverslips are already...

30 December 2020 8,381 3 View

Can anyone advise me on how to amplify V4 region of fecal DNA of dss-induced colitic mice for microbiota profiling?

Animals were fed DSS via drinking water and fecal samples were collected and DNA was isolated using Qiagen stool DNA isolation kit. The V4 region of extracted DNA was amplified with specific...

20 December 2020 1,739 3 View

Protocol for in vitro cytokine stimulation of immunized CD8+ T cells?

Hi, everyone: I want to determine whether IL-2 and IL-15 have different effects on immunized CD8+ T cell effector function. In this study, I immunize WT mice with peptide on day 0 and 7, and...

02 December 2020 9,413 3 View

Do I need to run a factor analysis on all the items used in the SEM to solve the multicollinearity issues?

Respected researchers, I conducted a SEM including 5 variables (two independent variables , two mediators, and a dependent variables), the correlations between these variables range vary from...

01 December 2020 1,338 5 View

Looking for a glass slide with very low Autofluorescence (GFP)?

Does anyone know any glass slides (thickness 0.1 to 1mm) that have very low autofluoresence (GFP). I am doing a very sensitive experiment that require my glass substrate to be as low fluoresence...

28 November 2020 1,917 6 View

Function of SDS in Northern Blot washing step?

In Northern blot, we normally use either 2*SSC+0.1% SDS or 0.1*SSC+0.1% SDS in washing step. Does anyone know what's the function of the SDS in the washing buffer? Thank you in advance

26 November 2020 2,432 1 View

How to calculate the analytical solution for the HYDRUS-3D model simulation of water and salt movement in soil?

Suppose an agricultural field with uniform soil texture and salinization. The groundwater depth is 20 meters, assuming that the depth of the groundwater and the concentration of salts remain...

25 November 2020 2,382 4 View

How can the resistance of paving asphalt be increased to acid rain?

Modification of the rheological properties of asphalt

25 December 2020 7,390 2 View

Why isn't the response surface method frequently used in asphalt tests like 4PBT/SCB?

I want to use Box-Behnken design (BBd) For reducing my tests.(4PBT/SCB/ITS/ITSM)

21 October 2020 9,071 1 View

How can I define the contact between aggregate and asphalt matrix in a asphalt mixture using ABAQUS?

I am trying to simulate the moisture damage phenomena in asphalt mixture using abaqus. I am looking for some suggestions and guidelines to define the contact contact between aggregate and asphalt...

24 August 2020 5,234 3 View

Does the size of polymer which added to the asphalt affect the value of the rheological properties?

Modified rheological properties of asphalt using different waste polymers at different partical sizes

06 April 2020 2,895 3 View

Has the recycled asphalt concrete a good behavior in fatigue? Have you any reference to me propose in this topic?

Has the recycled asphalt concrete (recycled RAP) a good behavior in fatigue? Have you any reference to me propose in this topic? Thank you

31 December 2019 5,049 3 View

How to give failure stress while defining the material as viscoelastic properties?

I am modelling a 3 point bending test of Asphalt Mixture beam . The beam is modeled as visco-elastic material . After peak load also the material gains strength as it ismodeled as visco elastic...

23 December 2019 4,216 1 View

Any Source of Hourly Temperature Data for Grassed Area, Pavement and Large Lake or River?

Dear All, I am looking for hourly temperature data from any urban area for the following land covers. 1. grass cover. 2. lake/water bodies and 3. any pavement (concrete or asphalt). Any...

12 October 2019 9,334 1 View

What is the 'correct' method to fabricate asphalt mix specimens with modified asphalt binders under variable modifier dosages?

Esteemed Researchers, I have come across three approaches used by researchers for fabrication of asphalt mix specimens when they study modified asphalt binders with different modifier dosages...

09 October 2019 4,251 3 View

Can anyone guide me about how to introduce translational springs with specific stiffness to join concrete pavement slabs in ANSYS workbench?

I was working on a pavement model in ANSYS containing asphalt bottom layer with concrete slab panels on top of it. The slabs are tied to an asphalt shoulder at one side as well. The pavement is...

09 October 2019 443 2 View

Anyone familiar with CREEP-RECOVERY test on asphalt concrete?

How to define the loading and recovery time for the Creep-Recovery Test on an asphalt mixture ? Creep-Recovery Test at varying stress levels and test temperature are perform to determine the...

08 September 2019 6,812 2 View

Miguel Brito

Miguel Brito, ing. civil; el artículo lo necesito para un trabajo de investigación de tesis.

K L A V Harnadh

Hi, based on the type of filler the interactions will be variated.You may get the relevant journals in Researchgate itself.

Miomir Miljković

This topic is extremely broad but also critical for the macroscopic behaviour of asphalt. Professors Yiqiu Tan and Meng Guo have a high-quality set of articles on the bitumen–filler interaction including the theoretical background. You might also find the following one useful (especially see the discussion section): Article Contribution of mineral filler to the fatigue damage behavio...