Determination of In-Situ Compressive Strength of Precast Concrete Girders

Al-Manaseer, Akthem; Cutay, Carmen Nathalie A; Sagastume, Richard; Valadez-Carranza, Yvette; Zayed, Rami

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Determination of In-Situ Compressive Strength of Precast Concrete Girders

2017-12-15
By Al-Manaseer, Akthem ; Cutay, Carmen Nathalie A ; Sagastume, Richard

File Language:

English

Details

Creators:

Al-Manaseer, Akthem ; Cutay, Carmen Nathalie A ; Sagastume, Richard ; Valadez-Carranza, Yvette ; Zayed, Rami
Corporate Creators:

San Jose State University. Department of Civil and Environmental Engineering
Corporate Contributors:

California Department of Transportation
Subject/TRT Terms:
Publication/ Report Number:

CA17-2748
Resource Type:

Tech Report
Geographical Coverage:

United States ; California
Edition:

Final Report 03/01/16 - 12/15/17
Corporate Publisher:

California. Department of Transportation
Abstract:

Verification of field compressive strength of precast concrete girders from 52 bridges in seven counties in California are presented. Nondestructive Testing (NDT) methods used are Proceq’s Silver Schmidt Rebound Hammer and Ultrasonic Pulse Velocity (UPV) and James Instruments’ Windsor Pin and Windsor Probe Systems. NDT tests were performed on concrete walls, slabs, and cylinders constructed under ambient and laboratory curing conditions at San Jose State University. Data from the laboratory testing in combination with data supplied by the manufacturer of the NDT equipment were utilized to develop strength prediction charts for the different bridge girders. Concrete cores from five selected bridges were taken, and compressive strength and NDT tests were performed and analyzed. Results obtained from the cores with the bridge prediction data were compared to verify accuracy of the predictions. The America Concrete Institute (ACI) 209 equation was utilized, and modified equations are proposed for more accurate bridge strength predictions.
Format:

PDF
Download URL:

https://rosap.ntl.bts.gov/view/dot/65703/dot_65703_DS1.pdf
File Type:

[PDF - 3.15 MB]
Collection(s):

US Transportation Collection
Main Document Checksum:

urn:sha256:477944fdd469e04336545d50db61dee218c3d50acbe3b6be82bd586a2910f507

File Language:

English

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