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

#Friction, #Determine the smallest value of P and corresponding angle to th...

#Determine the smallest value of P and corresponding angle to the inclined plane which is inclined by 30 degree to horizontal to just start the block moving up the inclined plane.

Water transportation, Water Transportation: Water transport, in its va...

Water Transportation: Water transport, in its various forms, is one of the most efficient forms of transport, because of low fuel consumption, low environmental pollution and

Drawbacks of curing by ponding and polythene sheets, Question What are the ...

Question What are the main drawbacks of curing by ponding and polythene sheets ? Answer Purpose of curing is to decrease the speed of heat loss of freshly placed concrete to atm

.., Ask questiPermanent Way:on #Minimum 100 words accepted#

Ask questiPermanent Way:on #Minimum 100 words accepted#

Timber, seasoning of timber

seasoning of timber

State the increase in earth pressure at rest, A wall with a smooth vertical...

A wall with a smooth vertical back and 9 metres high retains a moist cohesionless soil with a horizontal surface. The soil weighs 15 kN/m3 and has an angle of internal friction of

Explain the driver expectancy, Explain the Driver Expectancy A fundamen...

Explain the Driver Expectancy A fundamental component of driver information processing and perception. Drivers operate with a set of expectancies, e.g.: 1) Freeway exits wil

Review of available records - underwater inspection, Review of available Re...

Review of available Records - Preparation for Underwater Inspection? Before taking up the underwater inspection, a detailed review of drawings and past report should be carried

Plant location and facility layout, Plant Location and Facility Layout: ...

Plant Location and Facility Layout: This unit explain the general definition of Plant location and facility layout. Several factors affecting the location decision of a firm o

Planning stage of the audit, Materiality is used only at the planning stage...

Materiality is used only at the planning stage of the audit. Ans: I disagree with the statement because: When planning the audit, the auditor considers what would make the fi

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