Analysis and Field Verification of the Effects of Thermal Gradient on Concrete Pavement Response PDF Download
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Author: Bouzid Choubane
Publisher:
ISBN:
Category :
Languages : en
Pages : 508
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Author: Bouzid Choubane
Publisher:
ISBN:
Category :
Languages : en
Pages : 508
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Author: Shad M. Sargand
Publisher:
ISBN:
Category : Nondestructive testing
Languages : en
Pages : 112
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Book Description
A jointed concrete pavement on I-490 near Rochester, NY, was reconstructed using three different dowel bar spacings in eastbound test sections. Two sections in the westbound direction were instrumented to monitor environmental strain, deflections, and pavement temperatures. Monitoring of the westbound sections was conducted at the time of construction, after 28 days of curing, and at various intervals over the next two years. The instrumentation included deep and shallow linear variable differential transducers (LVDTs) to measure displacements in the center and the corners of the slabs, thermocouples at four depths near the center and at one corner of the slab, and vibrating wire strain gages with built-in thermistors in the center and the left wheel path. Air temperature data were also gathered during monitoring periods. Data were taken from the instruments at the time of construction, and at 37 days (after curing), 12 months, 16 months, and 28 months after construction. In addition to instrumentation readings taken over an approximately 24-hour period, each visit included slab shape measurements made with a Dipstick®, and deflections measured with a falling weight deflectometer (FWD) on the westbound sections. The final data collection visit, in October 2004, also included FWD testing and profilometer measurements on the eastbound sections. In measuring the pavement response, the FWD and LVDT data both indicated some loss of support that varied in response to changing temperature conditions. Of the three dowel bar arrangements, the E2 arrangement that used bars with the smallest cross-section and the narrowest spacing had the best load transfer efficiency.
Author:
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ISBN:
Category : Dissertations, Academic
Languages : en
Pages : 994
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Author: National Research Council (U.S.). Transportation Research Board
Publisher: Transportation Research Board
ISBN: 9780309046244
Category : Nondestructive testing
Languages : en
Pages : 116
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Book Description
Author: H. Thomas Yu
Publisher:
ISBN:
Category : Pavements
Languages : en
Pages : 124
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Book Description
This study was conducted to evaluate the effects of widened slabs and tied concrete shoulders on the performance of portland cement concrete (PCC) pavements. As a part of this study, the Colorado Department of Transportation (CO DOT) constructed three test sections in the westbound driving lanes of I-70 during the summer of 1994. All three test sections are 11.25-in. jointed plain concrete pavements (JPCP) with 15-ft joint spacing constructed on a 7-in. asphalt concrete (AC) base which is the old pavement surface. The experimental factors included in these sections are as follows: Section 1: Widened slabs (14-ft) with tied PCC shoulder; Section 2: Widened slabs (14-ft) with nontied PCC shoulder; Section 3: Standard width slabs (12-ft) with tied PCC shoulder. The structural responses of the test pavements were measured by instrumenting the test sections and by conducting falling weight deflectometer (FWD) testing. The analytical evaluation included the evaluation of data collected from the instrumented slabs, the analysis of FWD data, and fatigue analysis to determine the expected performance of the three JCP designs. The test sections will be monitored over their service life to validate the results of the analytical evaluation.
Author:
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ISBN:
Category : Power resources
Languages : en
Pages : 1344
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Author: National Research Council (U.S.). Transportation Research Board
Publisher:
ISBN:
Category : Accelerated life testing
Languages : en
Pages : 228
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"TRB℗s Transportation Research Record: Journal of the Transportation Research Board 1896 examines a mechanistic-empirical model to predict transverse joint faulting, a multilayer boundary-element method for evaluating top-down cracking in hot-mix asphalt pavements, and one-way and two-way directional heavy-vehicle simulator loading in this four-part volume on education tools, rigid pavements, flexible pavements, and accelerated pavement testing. The K. B. Woods Award-winning paper on design and construction of transportation facilities, ©Computer-Based Multimedia Pavement Training Tool for Self-Directed Learning,♯ by Stephen Muench and Joe Mahoney of the University of Washington, also appears in this TRR: Journal volume."--TRB website.
Author: Erol Tutumluer
Publisher: CRC Press
ISBN: 0203865286
Category : Technology & Engineering
Languages : en
Pages : 1560
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Book Description
Bearing Capacity of Roads, Railways and Airfields focuses on issues pertaining to the bearing capacity of highway and airfield pavements and railroad track structures and provided a forum to promote efficient design, construction and maintenance of the transportation infrastructure. The collection of papers from the Eighth International Conference
Author: Paul D. Tennis
Publisher:
ISBN: 9780893122423
Category : Pavements, Concrete
Languages : en
Pages : 28
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Author: Athar Saeed
Publisher: Transportation Research Board
ISBN: 030908783X
Category : Pavements
Languages : en
Pages : 57
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