Permeability Of Coral Concrete
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Author | : William R. Lorman |
Publisher | : |
Total Pages | : 60 |
Release | : 1964 |
Genre | : Aggregates (Building materials). |
ISBN | : |
The water permeability of hardened coral concrete was investigated to learn the effects of mix design factors. The independent variables were aggregate type and source, watercement ratio, cement content, and pozzolanic admixture. The test data demonstrated that the least permeable coral concrete contained Eniwetok aggregate and after 3 months exposure had a coefficient of permeability approximating 0.000001 inches per hour for the liquid phase and approximating 0.000005 pounds per square inch per hour for the vapor phase. These values were equivalent, for all practical purposes, to the corresponding coefficients of the least permeable reference concrete. The least permeable coral concrete had a gross water-cement ratio not exceeding 5.4 gallons of water per bag of cement and a cement factor of 9.0 bags per cubic yard of concrete. The use of calcined opaline shale, as a partial replacement of portland cement, served to make the coral concrete test specimens stronger, more watertight, and more damp-proof than was otherwise possible, all other factors being equal. (Author).
Author | : Douglas Wilson |
Publisher | : |
Total Pages | : 176 |
Release | : 1974 |
Genre | : Concrete construction |
ISBN | : |
This report is the result of an investigation of the suitability of reinforced concrete as a structural and hull material for use in large floating platforms. History, materials, methods, and quality control requirements are reviewed. The findings support the conclusion that high quality concrete is acceptable and economical for application to large floating platforms, and that both design and quality control requirements can be met within the present state of the concrete art.
Author | : Naval Civil Engineering Laboratory (Port Hueneme, Calif.) |
Publisher | : |
Total Pages | : 374 |
Release | : 1974 |
Genre | : Bibliographical services |
ISBN | : |
Author | : |
Publisher | : |
Total Pages | : 1076 |
Release | : 1964 |
Genre | : Science |
ISBN | : |
Author | : Domenico Lombardo |
Publisher | : CRC Press |
Total Pages | : 980 |
Release | : 2021-12-15 |
Genre | : Technology & Engineering |
ISBN | : 1000506401 |
This volume contains the selected papers resulting from the 7th Annual International Workshop on Materials Science and Engineering, and is focusing on the following six aspects: 1. Various Materials Properties, Processing, and Manufactures; 2. Multifunctional Materials Properties, Processing, and Manufactures; 3. Nanomaterials and Biomaterials; 4. Civil Materials and Sustainable Environment; 5. Electrochemical Valuation, Fracture Resistance, and Assessment; 6. Designs Related to Materials Science and Engineering. This proceeding presents and discusses key concepts and analyzes the state-of-the-art of the field. IWMSE 2021 is an academic conference in a series held once per year. The conference not only provides insights on materials science and engineering, but also affords conduit for future research in these fields. It provides opportunities for the delegates to exchange new ideas and application experiences, to establish business or research relations and to find global partners for future collaboration.
Author | : United States. Office of Naval Research |
Publisher | : |
Total Pages | : 368 |
Release | : |
Genre | : |
ISBN | : |
Author | : |
Publisher | : |
Total Pages | : 68 |
Release | : 1960 |
Genre | : Civil engineering |
ISBN | : |
Author | : United States. Office of Naval Research |
Publisher | : |
Total Pages | : 378 |
Release | : 1962 |
Genre | : Naval research |
ISBN | : |
Author | : |
Publisher | : |
Total Pages | : 1400 |
Release | : 1973 |
Genre | : Government Publications |
ISBN | : |
Author | : United States. Naval Facilities Engineering Command |
Publisher | : |
Total Pages | : 124 |
Release | : 1980 |
Genre | : Shore protection |
ISBN | : |