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 equations for a triangular (v-notch weir), Explain Equations for a ...

Explain Equations for a triangular (V-notch weir) Used for small flow rates. C 2 is a coefficient which varies from 0.58 to 0.61 depending upon the notch angle.  Q = C

Stress, Determine elongation because of self weight of bar:

Determine elongation because of self weight of bar:

What is thermodynamics?, Thermodynamics is concerned with the conversion of...

Thermodynamics is concerned with the conversion ofheat into mechanical energy or vice versa.  Heat usually generated through combustion of fossil fuelor nuclear reaction. Exa

Show the direction of gunning in shotcreting, Q. Show the Direction of gunn...

Q. Show the Direction of gunning in shotcreting? At the time of the construction of shotcrete, it is intended at gunning the full thickness in one single operation and this hel

., WHAT IS PILE CORROSION

WHAT IS PILE CORROSION

Beneficial points of sliding bearings over roller bearings, What are key be...

What are key beneficial points of sliding bearings over roller bearings ? In roller bearing for a given movement a roller bearing exhibit modify in pressure centre from its un

Calculate the uniform pressure on the soil, The plan of a proposed spoil he...

The plan of a proposed spoil heap is shown in Fig. The heap will stand on a thick deposit of soft clay with E-value 15 MN/m 2 . The uniform pressure on the soil may be suppose as 1

Explain flocculation, Explain Flocculation Most important factor ef...

Explain Flocculation Most important factor effecting particle removal efficiency objective - to bring particles into contact so that they will collide, stick together

Determine about the pre-stressed concrete beam, Determine about the pre-str...

Determine about the pre-stressed concrete beam A pre-stressed concrete beam has a width of 200 mm and an overall depth of 400 mm. The permissible stresses in tension and compre

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