Explain the aashto classification system, Civil Engineering

Assignment Help:

Explain the AASHTO Classification System  

1.  Identify the percent passing the No.10, No. 40, and No. 200 sieves. Identify the LL and PI of the fraction passing the No. 40 sieve.  

2.  Use AASHTO Classification Table. Move from left to right using process of elimination until the first group consistent with the laboratory data is identified. 

557_AASHTO Classification System.png

3.  Special Notes: 

a) For groups A-4, A-5, A-6 and A-7: Calculate the group index (GI) using the equation shown below the classification table.  If GI is negative, it is reported as zero.   

b) For group A-7, the Plastic Limit (PL = PI - LL) is the differentiating factor between A-7-5 and A-7-6.  This is expressed in terms of Plasticity Index (PI = LL - LL), which you already use for classification.


Related Discussions:- Explain the aashto classification system

Explain the geophysical methods, Why are undisturbed samples needed? Descri...

Why are undisturbed samples needed? Describe any one procedure of obtaining undisturbed samples for a multi-storeyed building project. For what purpose are geophysical methods u

Explain the stopping sight distance, Explain the Stopping Sight Distance ...

Explain the Stopping Sight Distance Stopping Sight Distance Is the Sum of Two Distances (1) The distance traversed by the vehicle from the instant the driver sights an objec

Mechanics of solids assignment, What will be the cost of Mechanics of solid...

What will be the cost of Mechanics of solids assignment consisting of 150 questions of 6 marks

Survey, 3-d figure of line ranger

3-d figure of line ranger

Stress-strain curves represents a soft and weak material, Which of the foll...

Which of the following stress-strain curves represents a soft and weak material?   Solution: As depicted, stress is on the y-axis while the x-axis represents strain.Whe

Stone, Explain the crushing strength test

Explain the crushing strength test

Insulating washer between steel bolts and aluminium plates, Q. Insulating w...

Q. Insulating washer between steel bolts and aluminium plates? Corrosion of aluminium can be activated by putting it in contact with another metal in the presence of water. Thi

Estimate the probable final settlement, A bed of sand 12 m thick is underla...

A bed of sand 12 m thick is underlain by a compressible stratum of normally loaded clay, 6 m thick. The water table is at a depth of 5 m below the ground level. The bulk densities

Jacking face for pipe-jacking, Ground settlement occurs ahead or behind the...

Ground settlement occurs ahead or behind the jacking face for pipe-jacking? It's reported by Lake (1992) that settlements are expected at ground surface at a distance of 1-2 ti

Write Your Message!

Captcha
Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd