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Long Term Monitoring of Moisture Under Pavements

2010 Frost
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Release : 2010
Genre : Frost
Kind : eBook
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Book Synopsis Long Term Monitoring of Moisture Under Pavements by : William Edward Wolfe

Download or read book Long Term Monitoring of Moisture Under Pavements written by William Edward Wolfe. This book was released on 2010. Available in PDF, EPUB and Kindle. Book excerpt: Monitoring of the environmental instrumentation installed under select pavement sections constructed by the Ohio Department of Transportation (ODOT) in 1995 on US 23 in Delaware County, Ohio was continued. The measurements made consisted of soil moisture, temperature and frost depth profiles.

Soil Moisture Monitoring Under Pavement Structures Using Time Domain Reflectometry

1986 Frozen ground
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Release : 1986
Genre : Frozen ground
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Book Synopsis Soil Moisture Monitoring Under Pavement Structures Using Time Domain Reflectometry by : Douglas L. Kane

Download or read book Soil Moisture Monitoring Under Pavement Structures Using Time Domain Reflectometry written by Douglas L. Kane. This book was released on 1986. Available in PDF, EPUB and Kindle. Book excerpt:

Focus

1993 Highway research
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Release : 1993
Genre : Highway research
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Book Synopsis Focus by :

Download or read book Focus written by . This book was released on 1993. Available in PDF, EPUB and Kindle. Book excerpt:

Sensing Issues in Civil Structural Health Monitoring

2005-07-14 Technology & Engineering
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Release : 2005-07-14
Genre : Technology & Engineering
Kind : eBook
Book Rating : 606/5 ( reviews)

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Book Synopsis Sensing Issues in Civil Structural Health Monitoring by : Farhad Ansari

Download or read book Sensing Issues in Civil Structural Health Monitoring written by Farhad Ansari. This book was released on 2005-07-14. Available in PDF, EPUB and Kindle. Book excerpt: Civil infrastructure systems are generally the most expensive assets in any country, and these systems are deteriorating at an alarming rate. In addition, these systems have a long service life in comparison to most other commercial products. As well, the introduction of intelligent materials and innovative design approaches in these systems is painfully slow due to heavy relianceon traditional construction and maintenance practices, and the conservative nature of design codes. Feedback on the "state of the health" of constructed systems is practically nonexistent. In the quest for lighter, stronger and corrosion-resistant structures, the replacement of ferrous materials by high-strength fibrous ones is being actively pursued in several countries around the world, both with respect to the design of new structures as well as for the rehabilitation and strengthening of existing ones. In North America, active research in the design of new highway bridges is focused on a number of specialty areas, including the replacement of steel reinforcing bars in concrete deck slabs by randomly distributed low-modulus fibers, and the replacement of steel prestressing cables for concrete components by tendons comprising super-strong fibers. Research is also being conducted on using FRPs to repair and strengthen existing structures.

Long Term Monitoring and Evaluation of Drainable Bases at I-90 Test Road

2009 Pavements, Asphalt
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Release : 2009
Genre : Pavements, Asphalt
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Book Synopsis Long Term Monitoring and Evaluation of Drainable Bases at I-90 Test Road by : Madhar Mohammad Taamneh

Download or read book Long Term Monitoring and Evaluation of Drainable Bases at I-90 Test Road written by Madhar Mohammad Taamneh. This book was released on 2009. Available in PDF, EPUB and Kindle. Book excerpt: "It is a well recognized fact that pavements with poor subsurface drainage properties prematurely exhibit distress and have higher life-cycle cost. Thus, providing adequate subsurface drainage in a pavement system to remove the infiltrated moisture in a timely manner is an important design consideration. Currently, Ohio Department of Transportation (ODOT) accepts several types of materials specifications for use as drainable base materials. They are ODOT 307 (NJ, IA, and CE), ODOT 308 (asphalt treated), and ODOT 306 (cement treated). However, the effectiveness of these base materials in actual service has not been conclusively established in previous ODOT studies. Consequently, a research project, so-called ATB-90, was initiated in 2002 to provide additional data to asses the merits of the drainable bases in the asphalt pavement. At the present time, most of the current drainage criteria have been developed on the basis of describing water flow in saturated conditions. Yet this could happen in a very limited circumstance and time duration. In this study, a transient analysis using SEEP/W program was conducted to simulate water flow in a flexible pavement system. A new predictive equation along with design charts for estimating the time required to drain 50 percent saturation were developed by utilizing the results of SEEP/W analysis. The predictive equation could be used to design a flexible pavement system for effective subsurface drainage."--Abstract.

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