33 Questions 26 Answers 0 Followers
Questions related from Ebrahim Sangsefidi
I'm currently facing difficulty locating a reference for the transverse joint configuration for widening of a flexible pavement. From memory, I recall using a range of 300mm to 500mm for...
13 December 2023 1,382 4 View
I am currently working on a project that involves analysing and understanding the distribution of wheel wander within a lane. Specifically, I am interested in identifying the probable positions of...
04 October 2023 5,022 4 View
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10 July 2023 7,180 0 View
I have andesite source of road aggregates. I did XRD test on bulk powder and oriented samples ((1) air dried, (2) treated with ethylene glycol at 60oC, and (3) heat-treated at 550 oC for 45...
18 December 2018 9,413 2 View
I mean after doing the compaction practice in various water contents and determining the dry density corresponding to each water content, what would be the equation of the resultant compaction...
04 November 2018 9,008 10 View
Could you please find the attached image and let me know if the presented data can show any weathering in the glass. Based on my understanding, the glass in the structure of my materials remained...
24 October 2018 4,777 1 View
A solution in MATLAB Software is preferred.
12 October 2018 3,667 2 View
These are the questions I faced in my literature review I could not find an answer for them. Just for the record, I am going to do the CBR test on laboratory compacted base materials in the...
23 August 2018 5,899 8 View
For example is there any way to recognize minerals (augite, plagioclase) as more sodic or calcic?
04 December 2017 2,820 49 View
From fine geomaterials, I mean those materials pass sieve 200. I know in the last cycle of weathering Hematite and Goethite may govern the color ranges, is there any other minerals in the middle...
25 May 2017 9,668 7 View
I do not want to change the chemical properties of fine materials.
27 October 2016 699 9 View
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24 October 2016 7,978 15 View
I mean, how do different kind of minerals in a special rock remain next to each other?
24 October 2016 3,299 9 View
I mean soil aggregates are porous materials per se, thus have some cavities on the surface. Depends on the presence of water they may partly or fully saturate with water. I want to determine the...
28 July 2016 6,387 2 View
05 July 2016 1,518 6 View
Could you please introduce some reference which address this matter? Thanks in advance.
30 June 2016 4,823 3 View
Actually, I need some reference discussing this matter. Some parameters, such as the geological characteristics and the weathering quality of the rocks locating in the catchment area, the land use...
13 June 2016 6,532 7 View
I mean, is there any pore pressure while the soil is not saturated?
24 May 2016 8,375 4 View
When I say "significant chemical reaction", I mean those chemical reactions that alter the load bearing capacity of a compacted layer. Please assume that this layer is undergone 100 wetting and...
07 April 2016 8,897 4 View
I know the exchangeable cations affect on the diffuse double layer thickness and also help the soil particle to aggregate and flocculate altogether. Is there any other correlation between the...
06 April 2016 3,201 3 View
I have two different soil and I want to determine the kind of cations (Al3+, Ca2+, Mg2+, K+ , Na+ , ...) reside on the exchangeable site of the soil particles.
06 April 2016 9,700 8 View
Please consider a specimen that is compacted in Optimum Moisture Content (OMC). I want to increase the moisture in this specimen so that the moisture distribute throughout of the specimen...
31 March 2016 734 6 View
Consider a situation that we laid two different soils as a foundation of a road (as a base courses). Both of them pass the initial criteria (for example the same compaction) and based on the...
31 March 2016 4,712 7 View
I am mainly looking for the reaction that may affect the mechanical performance of the soil. Thanks
31 March 2016 9,365 4 View
I know that cations play an important role in Diffuse Double Layer thickness. Furthermore, I know that the concentration of anion increases as the distance from aggregate increases. So, what is...
23 March 2016 2,430 1 View
I know Cation Exchange Capacity is a methodology, but what about anions? Is there any other process that lead to leaching of cations and anions?
23 March 2016 3,352 2 View
I mean what is the consequence of changing the amount of these ions (for any reason) in the soil (increase or decrease). In addition, I am eager to know that in what form these ions appear in the...
22 March 2016 198 3 View
For example, AASHTO recommended six aggregate gradation range (A to F). How can a designer select a special range for a road base or subbase materials? How have these special ranges been...
12 February 2016 5,955 7 View
I know there is some test to assess asphalt aging in the pavement service life.
12 February 2016 4,853 5 View
If the answer is that finer fraction of material will show plasticity behaviour so why does not this test accomplish on materials finer than No.200 sieve, for example?
12 February 2016 2,297 6 View
I need to know how can I provide input parameter of ABAQUS for modeling viscoelastic behaviour of soils. Is there any laboratory test for this matter?
08 February 2016 588 1 View
Any standard, guideline, photo can help :)
01 January 1970 4,331 3 View
01 January 1970 8,678 5 View
