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Author : George C. Hoff
Publisher :
ISBN 13 :
Total Pages : 162 pages
Book Rating : 4.3/5 (91 download)
Download or read book Shock-absorbing Materials written by George C. Hoff and published by . This book was released on 1967 with total page 162 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Aussenhandel: Deutschland BRD. written by and published by . This book was released on 1960 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : George C. Hoff
Publisher :
ISBN 13 :
Total Pages : 274 pages
Book Rating : 4.3/5 (91 download)
Download or read book Shock-absorbing Materials written by George C. Hoff and published by . This book was released on 1968 with total page 274 pages. Available in PDF, EPUB and Kindle. Book excerpt: Seven materials that are currently being considered for use as backpacking around deeply buried protective structures and silos were investigated for the effects of particular phenomena which may be present or occur in the environments in which the materials may be used. Certain physical characteristics necessary for a better understanding of a material's behavior when used as a backpacking were also determined. The materials studied included three low-density concretes, two foamed plastics, foamed glass, and foamed sulfur. Each material was investigated for its strength-deformation characteristics and limitations, the effects of attack by groundwaters of different compositions, the effects of freezing and thawing, constrained consolidation, permeability, cyclic loading, constrained modulus of elasticity, brittleness, compatibility, and resistance to attack by fungi and bacteria. (Author).
Author : George C. Hoff
Publisher :
ISBN 13 :
Total Pages : 166 pages
Book Rating : 4.3/5 (91 download)
Download or read book Shock-absorbing Materials written by George C. Hoff and published by . This book was released on 1968 with total page 166 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Jack Doolan
Publisher :
ISBN 13 :
Total Pages : 0 pages
Book Rating : 4.:/5 (137 download)
Download or read book Developing Talin-based Shock Absorbing Materials written by Jack Doolan and published by . This book was released on 2023 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : George C. Hoff
Publisher :
ISBN 13 :
Total Pages : 0 pages
Book Rating : 4.:/5 (435 download)
Download or read book Shock-absorbing Materials written by George C. Hoff and published by . This book was released on 1968 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Tony Alan Cutshall
Publisher :
ISBN 13 :
Total Pages : 132 pages
Book Rating : 4.:/5 (174 download)
Download or read book Effect of Shock Absorbing Materials on Heel-strike Forces written by Tony Alan Cutshall and published by . This book was released on 1986 with total page 132 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Robert Hilton Denson
Publisher :
ISBN 13 :
Total Pages : 188 pages
Book Rating : 4.:/5 (821 download)
Download or read book Investigation and Establishment of Certain Response-properties of Selected Shock-absorbing Materials and Systems written by Robert Hilton Denson and published by . This book was released on 1981 with total page 188 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : George C. Hoff
Publisher :
ISBN 13 :
Total Pages : 184 pages
Book Rating : 4.:/5 (618 download)
Download or read book Shock-absorbing Materials written by George C. Hoff and published by . This book was released on 1971 with total page 184 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :
Publisher :
ISBN 13 :
Total Pages : 0 pages
Book Rating : 4.:/5 (227 download)
Download or read book Shock-Absorbing Materials. Report 1. Backpacking Materials for Deeply Buried Protective Structures written by and published by . This book was released on 1967 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: The objective of this study was to review the existing theory and concepts pertaining to the use of backpacking materials around deeply buried protective structures and to provide a unlimited evaluation of a number of commercially available products in order to determine their suitability for use as backpacking. The basic theory, concepts, and applications pertaining to the use of backpacking around buried structures were compiled and are reviewed. Based on the premise that a one-shot, one-material backpacking system will be adequate for the requirements of a deeply buried structure, a number of backpacking design considerations were established. A cursory examination and review were given to 42 materials from 9 groups of materials to determine their practicality for use as backpacking. The groupings of materials by types include: granular materials, honeycombs, low-density concretes, flexible and rigid foamed plastics, and foamed rubber, glass, metal, and sulfur. None of the materials investigated and reviewed appear to satisfy all of the design considerations established for a backpacking material; however, this does not discount their being used as backpacking. The ultimate selection of a backpacking material should depend on the actual service conditions the material will be subjected to and these conditions may include some of the design considerations that the material in question cannot satisfy.
Author : J. Draulans
Publisher :
ISBN 13 :
Total Pages : 0 pages
Book Rating : 4.:/5 (141 download)
Download or read book SURVEY OF EXISTING LITERATURE IN THE FIELD OF SHOCK-ABSORBING MATERIALS WITH A VIEW TO SUBSEQUENT ADAPTION OF PLASTIC DEFORMATION CODES. PHASE 1 written by J. Draulans and published by . This book was released on 1985 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : George C. Hoff
Publisher :
ISBN 13 :
Total Pages : 186 pages
Book Rating : 4.:/5 (227 download)
Download or read book Shock-absorbing Materials written by George C. Hoff and published by . This book was released on 1971 with total page 186 pages. Available in PDF, EPUB and Kindle. Book excerpt: The use of low-density cellular concrete, having an oven-try unit weight of 50 pcf or less, as a backpacking material for deeply buried protective structures was studied. Cellular concrete was found to be suitable for this type of application. A number of physical properties of cellular concrete were determined to provide input to design codes. Constrained compressive crushing stress levels from 20 to 1,000 psi for slow rates of loading were observed. Rapid-loading tests and equation of state measurements were also made to determine the rate sensitivity of the concrete. Compressional wave velocities from 2,000 to 6,000 ft/sec were also measured. Modulus of elasticity values from 20,000 to 220,000 psi were measured for concretes in the as-cast condition with respect to moisture. Flexural strength to compressive strength ratios from 0.16 to 0.33 were observed. Early age stiffening characteristics of cellular concrete were also studied. Some design procedures based on the data analysis are suggested. Some possible areas of difficulty during prototype use of cellular concrete as a backpacking, such as lift heights, cold joints, temperature problems, and water-saturation problems, are also explored. (Author).
Author : Mary Russo
Publisher :
ISBN 13 :
Total Pages : 84 pages
Book Rating : 4.:/5 (174 download)
Download or read book The Effect of Shock Absorbing Materials on Heel-strike Forces in Arthritic Subjects written by Mary Russo and published by . This book was released on 1987 with total page 84 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Survey of Existing Literature in the Field of Shock-absorbing Materials with a View to Subsequent Adaptation of Plastic Deformation Codes written by and published by . This book was released on 1985 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Survey of Existing Literature in the Field of Shock-absorbing Materials with a View to Subsequent Adaptation of Plastic Deformation Codes written by and published by . This book was released on 1985 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :
Publisher :
ISBN 13 :
Total Pages : 147 pages
Book Rating : 4.:/5 (227 download)
Download or read book Shock-Absorbing Materials: Report 3. Selection of a Suitable Low-Density Concrete for Backpacking for a Proposed Field Test written by and published by . This book was released on 1968 with total page 147 pages. Available in PDF, EPUB and Kindle. Book excerpt: The objective of this study was to investigate three insulating concretes being considered for use as a backpacking material to determine their handling, mixing, and placing characteristics, as well as the density variation, plastic shrinkage, aggregate segregation, and rate of hardening occurring in large sections made with each concrete, and to determine the problems that may be associated with time use of these concretes in a prototype situation. Metal, half-scale model sections of a typical rock opening and tunnel liner were used in the study. The annular space of each section was pumped full or partially full of cellular, vermiculite, or polystyrene concrete. Each concrete was evaluated on the basis of ease of handling, batching, and placing and on time density variations occurring in both the unhardened and hardened condition of the concrete. In situ density variations were studied by time use of three techniques: ultrasonic pulse velocity, heat development, and hardened concrete samples. Fresh concrete unit weights were used for the unhardened concrete quality control. Rate-of-hardening tests were conducted to aid in time estimation of form-removal times. Methods of reducing plastic shrinkage and bleeding are discussed, along with other features such as handling and storage requirements of mixture components and suggested prototype batching and placing equipment and techniques. An appendix describes a field placement trial of a cellular concrete arch section to determine time ease of placing and forming, required strength for arch to stand unsupported, and settlement of arch crown.
Author : Stephen Walter John Dominy
Publisher : Pointe-Claire, Québec : Forest Engineering Research Institute of Canada, Eastern Division = Institut canadien de recherches en génie forestier, Division de l'est
ISBN 13 :
Total Pages : 1 pages
Book Rating : 4.:/5 (359 download)
Download or read book A Study of Shock-absorbing Materials in Tree-planting Dibbles written by Stephen Walter John Dominy and published by Pointe-Claire, Québec : Forest Engineering Research Institute of Canada, Eastern Division = Institut canadien de recherches en génie forestier, Division de l'est. This book was released on 1995 with total page 1 pages. Available in PDF, EPUB and Kindle. Book excerpt:
