Demonstration of Concrete Maturity Test Process on TH-694/TH-35E Interchange – Unweave the Weave

Rohne, Ryan J.; Izevbekhai, Bernard Igbafen; Minnesota. Dept. of Transportation. Office of Materials and Road Research

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Demonstration of Concrete Maturity Test Process on TH-694/TH-35E Interchange – Unweave the Weave

2009-08-01
By Rohne, Ryan J. ; Izevbekhai, Bernard Igbafen

[PDF-3.12 MB]

English

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Creators:

Rohne, Ryan J. ; Izevbekhai, Bernard Igbafen

Rohne, Ryan J. ; Izevbekhai, Bernard Igbafen Less -
Corporate Creators:

Minnesota. Dept. of Transportation. Office of Materials and Road Research
Corporate Contributors:

Minnesota. Dept. of Transportation
Subject/TRT Terms:

[+]

Concrete Hardening Concrete Maturity Construction Datum Temperature Highways I52: Construction Of Pavements And Surfacings Interchanges Pavements Reactions In Concrete Setting (Concrete)
Publication/ Report Number:

MN/RC 2009-26
Resource Type:

Tech Report
Geographical Coverage:

Minnesota ; United States

Minnesota ; United States Less -
TRIS Online Accession Number:

01141641
Edition:

Final Report
Corporate Publisher:

Minnesota. Dept. of Transportation
Abstract:

A maturity protocol will allow a more precise identification of the time when sufficient strength has been gained such that a pavement can be opened to traffic. This way traffic can be regulated to protect the integrity of the pavement while simultaneously streamlining construction operations by avoiding excessive initial cure periods. The overall goal of this research initiative is to develop maturity strength curves for the majority of the paving mixes used by the Minnesota Department of Transportation (Mn/DOT) and test maturity meter implementation on several projects to observe potential difficulties/successes with their use. As such, Mn/DOT SP 6280-304, the TH-694/TH-35E interchange known as “Unweave the Weave” is one of the first Mn/DOT projects to test the implementation of maturity meters in a field setting. Based on the data from the pilot project and preliminary tasks, maturity curves are sensitive to small changes of 10 lb/yd³ of cementitious material. It was also found that a maturity datum temperature of 0°C was too high. Strength continued to increase even when the concrete fell below this temperature. Further studies of 15 projects over the next three years will further increase Mn/DOT’s knowledge and experience with the maturity method. Included is an overview of the maturity function utilized by the data loggers.
Format:

PDF
Collection(s):

US Transportation Collection
Main Document Checksum:

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urn:sha256:96ccd76722b030db21e0eab9ec9ac8aeb53de79abcf513ab83b9db7589e31c84
Download URL:

https://rosap.ntl.bts.gov/view/dot/39676/dot_39676_DS1.pdf
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Demonstration of Concrete Maturity Test Process on TH-694/TH-35E Interchange – Unweave the Weave

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