Development of design guidelines for proper selection of graded aggregate base in Maryland state highways : [research summary].

Aydilek, Ahmet; Maryland. State Highway Administration

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Development of design guidelines for proper selection of graded aggregate base in Maryland state highways : [research summary].

2015-01-01
By Aydilek, Ahmet

[PDF-74.28 KB]

English

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Details:

Creators:

Aydilek, Ahmet
Corporate Creators:

Maryland. State Highway Administration
Subject/TRT Terms:

[+]

Aggregate Gradation Base Course (Pavements) Deformation Drainage Field Tests Laboratory Tests Mechanistic-empirical Pavement Design Modulus Of Resilience Moisture Content Stiffness
Publication/ Report Number:

SP109B4G-1
Resource Type:

Brief
Geographical Coverage:

Maryland
Corporate Publisher:

Maryland. State Highway Administration
Abstract:

Millions of tons of graded aggregate base (GAB) materials are used in construction of

highway base layers in Maryland due to their satisfactory mechanical properties. The

fines content of a GAB material is highly variable and is often related to the crushing

process, stockpiling in the quarry, transportation and construction at the site. The

mechanical and drainage properties of GAB material are the level one input in

mechanistic pavement design. The crushing of the stone at the quarry generally does

not decrease the mechanical strength and stiffness of the material delivered to the site.

However, the Maryland State Highway Administration (SHA) is experiencing

difficulties in achieving proper drainage through the base layers due to occasionally

high fines content of the delivered GAB materials.
Format:

PDF
Collection(s):

US Transportation Collection
Main Document Checksum:

[+]

urn:sha256:2e5fb2d448ca23d2cc7ef85b12f9170fd840e96c34e4df7a853353b89d40c3ed
Download URL:

https://rosap.ntl.bts.gov/view/dot/28446/dot_28446_DS1.pdf
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Development of design guidelines for proper selection of graded aggregate base in Maryland state highways : [research summary].

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