U.S. Navy Civil Engineer Corps Bulletin PDF Download
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Author:
Publisher:
ISBN:
Category : Civil engineering
Languages : en
Pages : 778
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Book Description
Author:
Publisher:
ISBN:
Category : Civil engineering
Languages : en
Pages : 778
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Book Description
Author:
Publisher:
ISBN:
Category : Civil engineering
Languages : en
Pages : 608
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Book Description
Author:
Publisher:
ISBN:
Category : Civil engineering
Languages : en
Pages : 440
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Book Description
Author:
Publisher:
ISBN:
Category : United States
Languages : en
Pages : 1554
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Book Description
Author: United States. Congress
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ISBN:
Category : Law
Languages : en
Pages : 1390
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Book Description
Author:
Publisher:
ISBN:
Category : United States
Languages : en
Pages : 506
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Book Description
Author: Naval Civil Engineering Research and Evaluation Laboratory (Port Hueneme, Calif)
Publisher:
ISBN:
Category : Exponential functions
Languages : en
Pages : 132
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Author:
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ISBN:
Category : United States
Languages : en
Pages : 628
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Book Description
Author: H. T. Miyamoto
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ISBN:
Category :
Languages : en
Pages : 104
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Book Description
Four types of post-tensioned prestressed concrete beams with straight unbonded bars were tested under static and blast loading to study their behavior. The tests showed that the response of prestressed beams can be predicted by a onedegree of freedom system provided the correct damping and resistance functions are known. The logarithmic decrement of the beams was about 0.05 to 0.28, which permitted negative deflections to develop under short-duration loading. A recommended dynamic design procedure is given. (Author).
Author: S. K. Takahashi
Publisher:
ISBN:
Category : Blast effect
Languages : en
Pages : 104
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Book Description
A study was made to determine how flexural members should be designed, how to gain the greatest resistance to blast loading, where they should be used, and the best way to destroy structures composed of such members. Nine simply supported pretensioned beams were tested in the blast simulator either statically or dynamically. In the dynamic tests the beams were subjected to long- and short-duration loading. As expected, the load capacity of the beams subjected to short duration loads was greater than that of those subjected to long-duration loads. The deflection time traces showed that no tensile stresses occurred in the top fiber for any of the loads applied and that a permanent deformation can be considered negligible for loads less than 85% of the ultimate load. A method of predicting the static ultimate deflection is presented and applied to one of the beams. The experimental data is compared with the theory. All of the statically tested beams failed in bond near the supports. In the dynamic tests, two beams failed by concrete compression at mid-span, and the rest failed in bond. A solution for dynamic response, which includes damping, is shown and applied to one of the tests. (Author).
