Field instrumentation and measured response of the I-295 cable-stayed bridge : interim report on construction measurements in deck segments.

Baber, Thomas Thaxton,; Barton, Furman W; McKeel, Wallace T; Virginia Transportation Research Council (VTRC); Virginia. Dept. of Transportation

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Field instrumentation and measured response of the I-295 cable-stayed bridge : interim report on construction measurements in deck segments.

1991-01-01
By Baber, Thomas Thaxton, ; Barton, Furman W ; McKeel, Wallace T

[PDF-1.91 MB]

English

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Creators:

Baber, Thomas Thaxton, ; Barton, Furman W ; McKeel, Wallace T

Baber, Thomas Thaxton, ; Barton, Furman W ; McKeel, Wallace T Less -
Corporate Creators:

Virginia Transportation Research Council (VTRC) ; Virginia. Dept. of Transportation

Virginia Transportation Research Council (VTRC) ; Virginia. Dept. of Transportation Less -
Subject/TRT Terms:

[+]

Box Girders Bridges--Testing--Virginia Cable-stayed Bridges--Design And Construction--Virginia Cable-stayed Bridges--Testing--Virginia Cable Stayed Bridges Segmental Construction Strain Gages
Publication/ Report Number:

VTRC 91-IR2
Resource Type:

Tech Report
Geographical Coverage:

Virginia
Edition:

Interim report.
Corporate Publisher:

Virginia Transportation Research Council (VTRC)
Abstract:

During the construction of the I-295 cable-stayed bridge, an extensive array of mechanical strain gage points were installed in sections of the box girders, pylons, and piers. At each instrumented box girder section, five longitudinal gages were placed on the deck surface and three longitudinal gages were placed on the bottom flanges of the box girder. Instrumentation was concentrated on the cantilevered north span and the two adjacent side spans. Strain measurements were taken throughout the erection of the cantilever span. Measured strains are reported on in this study. The measurements revealed a complex strain pattern across the deck, reflecting the existence of shea lag in the box girder, but also the influence of multiple post-tensioning tendons across the deck..
Format:

PDF
Collection(s):

US Transportation Collection
Main Document Checksum:

[+]

urn:sha256:048d24dc86b1f24d429b0e5a98dd682b3c08451b1227bb842b455be02f1eff6a
Download URL:

https://rosap.ntl.bts.gov/view/dot/20116/dot_20116_DS1.pdf
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Field instrumentation and measured response of the I-295 cable-stayed bridge : interim report on construction measurements in deck segments.

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