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Long-span bridges are often used in environmentally sensitive terrains, water crossings, and in locations with traffic and geometric restrictions. The TRB National Cooperative Highway Research Program's NCHRP Research Report 994: Use of 0.7-in. Diameter Strands in Precast Pretensioned Girders presents the design methodology for precast pretensioned girders using 0.7-in. diameter strands based on comprehensive analytical and testing programs. The use of 0.7-in. diameter strands would help bridge designers extend the spans of the existing girder shapes. Supplemental to the report is NCHRP Web-Only Document 315: Details of the Study on the Use of 0.7-in Diameter Strands in PrecastPretensioned Girders.
"This publication was first printed in the Precast/Prestressed Concrete Institute bridge design manual, MNL-133, as chapter 20... It is reprinted in this form as a convenience for designers and others with an interest in precast, prestressed concrete piles.
Tackling One Health from a multi-disciplinary perspective, this book offers in-depth insight into how our health and the health of every living creature and our ecosystem are all inextricably connected. Presents critical population health topics, written by an international group of experts Addresses the technical aspects of the subject Offers potential policy solutions to help mitigate current threats and prevent additional threats from occurring
Modern transportation allows people, animals, and plants-and the pathogens they carry-to travel more easily than ever before. The ease and speed of travel, tourism, and international trade connect once-remote areas with one another, eliminating many of the geographic and cultural barriers that once limited the spread of disease. Because of our global interconnectedness through transportation, tourism and trade, infectious diseases emerge more frequently; spread greater distances; pass more easily between humans and animals; and evolve into new and more virulent strains. The IOM's Forum on Microbial Threats hosted the workshop "Globalization, Movement of Pathogens (and Their Hosts) and the Re...
Should you intervene in the life of the 48-year-old woman whose dwelling is stuffed with accumulated rubbish and who will not let anyone help get rid of it – or the 78-year-old surrounded by putrescent food and filth – or the 'animal accumulator'? Cases of severe domestic squalor (sometimes called Diogenes Syndrome) are among the most complex and difficult faced by community agencies. Local councils, housing officers, health professionals, social services, animal welfare agencies, public guardians and of course relatives and neighbours often feel powerless and lack confidence about what to do when faced with such situations. The guidelines, recommendations and case examples in Severe Domestic Squalor will help concerned people to understand what can be done and how, by providing an understanding of the causative factors and who should take the lead in dealing with them.