Development of quiet and durable porous Portland cement concrete paving materials

Olek, Jan; Weiss, W. Jason; Neithalath, Narayanan; Marolf, Adam; Sell, Eric; Thornton, William

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Development of quiet and durable porous Portland cement concrete paving materials

2003-09-01
By Olek, Jan ; Weiss, W. Jason ; Neithalath, Narayanan ; ...

[PDF-2.35 MB]

English

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Creators:

Olek, Jan ; Weiss, W. Jason ; Neithalath, Narayanan ; Marolf, Adam ; Sell, Eric ; ... More +

Olek, Jan ; Weiss, W. Jason ; Neithalath, Narayanan ; Marolf, Adam ; Sell, Eric ; Thornton, William Less -
Corporate Contributors:

Purdue University. Institute for Safe, Quiet, and Durable Highways ; Northwestern University (Evanston, Ill.). Center for Advanced Cement-Based Materials

Purdue University. Institute for Safe, Quiet, and Durable Highways ; Northwestern University (Evanston, Ill.). Center for Advanced Cement-Based Materials Less -
Subject/TRT Terms:

[+]

Concrete Pavements Flexural Strength Porosity Porous Concrete Portland Cement Concrete Rolling Contact Sound Sound Absorption Traffic Noise
Publication/ Report Number:

SQDH 2003-5 ; HL 2003-18

SQDH 2003-5 ; HL 2003-18 Less -
Resource Type:

Tech Report
TRIS Online Accession Number:

974241
OCLC Number:

55129510
Corporate Publisher:

Purdue University
NTL Classification:

NTL-HIGHWAY/ROAD TRANSPORTATION-Design;NTL-HIGHWAY/ROAD TRANSPORTATION-Materials;
Abstract:

This report outlines the systematic research effort conducted in order to develop and characterize Enhanced Porosity Concrete (EPC) to mitigate the problem of tire-road interaction noise. The basic tenet of this research is that carefully introduced porosity of about 15% - 25% in the material structure of concrete will allow sound waves to pass through and dissipate its energy. EPC mixtures were proportioned with three different aggregate sizes, and the binary blends of these sizes. The physical and mechanical properties of these mixtures were studied in detail. Methods to determine the porosity of EPC were developed. Flexural strengths of EPC specimens were studied in detail, and the influence of sand content, and silica fume were ascertained. The acoustic absorption coefficients of EPC were determined using an impedance tube. It was found that the pore volume and pore sizes have a significant influence on acoustic absorption. The tortuosity of the pore network, which forces the waves to travel longer, and the frictional losses in the pore walls are the main mechanisms that are responsible for energy loss. The influence of specimen thickness on the acoustic absorption coefficient is also brought out.
Format:

PDF
Alternate URL:

http://ntl.bts.gov/lib/24000/24600/24636/index.html
Collection(s):

University Transportation Centers US Transportation Collection
Main Document Checksum:

[+]

urn:sha256:17946858419a3c9c2d7bd669148433c59b6e96994587f0d8ed058daac20b6c76
Download URL:

https://rosap.ntl.bts.gov/view/dot/16086/dot_16086_DS1.pdf
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Development of quiet and durable porous Portland cement concrete paving materials

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