Finite element simulation of structural performance on flexible pavements with stabilized base/treated sub-base materials under accelerated loading : research project capsule.

Wu, Zhong; Louisiana Transportation Research Center

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ROSA P serves as an archival repository of USDOT-published products including scientific findings, journal articles, guidelines, recommendations, or other information authored or co-authored by USDOT or funded partners. As a repository, ROSA P retains documents in their original published format to ensure public access to scientific information.

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Finite element simulation of structural performance on flexible pavements with stabilized base/treated sub-base materials under accelerated loading : research project capsule.

2008-12-01
By Wu, Zhong

[PDF-196.18 KB]

English

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Details:

Creators:

Wu, Zhong
Corporate Creators:

Louisiana Transportation Research Center
Corporate Contributors:

Louisiana State University (Baton Rouge, La.) ; Louisiana. Dept. of Transportation and Development

Louisiana State University (Baton Rouge, La.) ; Louisiana. Dept. of Transportation and Development Less -
Subject/TRT Terms:

[+]

Accelerated Life Testing Accelerated Tests Base Course (Pavements) Computer Simulation Finite Element Method Flexible Pavements Loads Mathematical Models Pavements, Flexible--Testing Roads--Base Courses--Testing Simulation Structural Analysis Structural Models Structural Tests Subbase (Pavements) Surfaces, Deformation Of Testing Tests
Publication/ Report Number:

07¿1P
Resource Type:

Tech Report
Geographical Coverage:

Louisiana
Edition:

Research project capsule.
Corporate Publisher:

Louisiana Transportation Research Center
Abstract:

PROBLEM: The full-scale accelerated pavement testing (APT) provides a unique tool for pavement

engineers to directly collect pavement performance and failure data under heavy

wheel loading. However, running a full-scale APT experiment is very expensive. Only a

few selected pavement structures/materials can be tested using APT. Therefore,

computer simulation of APT becomes a logical direction to expand the benefit from an

APT study.

Currently, no computer programs in the literature are able (or suitable) to predict the

pavement rutting performance developed in a pavement structure containing

chemically stabilized base or sub-base layers, such as cement treated or stabilized

soils, slag or fly-ash treated BCS materials, and lime-treated soils as investigated

currently at the Louisiana Transportation Research Center (LTRC).

OBJECTIVE: The objective of this research is to develop a finite element (FE) model to simulate

performance of pavement structures, specifically for rutting performance of the

chemically stabilized base/sub-base materials, under accelerated loading. Initial

validation of the model will be performed using results from a current LTRC study:

Accelerated Loading Evaluation of a Sub-base Layer on Pavement Performance (ALF

Experiment 4).
Format:

PDF
Collection(s):

US Transportation Collection
Main Document Checksum:

[+]

urn:sha256:8e9860e71d24d70708a5a2e0708397347718da39f30f9f8509c0881097d18ef2
Download URL:

https://rosap.ntl.bts.gov/view/dot/17097/dot_17097_DS1.pdf
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Finite element simulation of structural performance on flexible pavements with stabilized base/treated sub-base materials under accelerated loading : research project capsule.

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