منابع مشابه
Wire Rope Sheave Friction Effects
When a takeup weight is offset to the side of a conveyor, a wire rope is commonly routed from the take-up weight through a series of sheaves to the take-up carriage. The friction developed from a series of wire rope sheaves can effect the actual belt tension at the take-up carriage. Through real-time testing the actual tension on a takeup carriage was recorded with data acquisition using an int...
متن کاملFuzzy Fault Tree Analysis of Crane Wire Rope
Wire rope is a very useful and long lasting structural element when properly used and maintained. For a failure such as that of crane wire rope, it is often very difficult to estimate precise failure rates or failure probabilities of individual components or failure events. Conventional fault tree analysis (FTA) is based on the probability assumption. When the failure probability of a system is...
متن کاملAdvancements in the Field of Wire Rope Design and Manufacturing
The current specifications governing the construction of wire rope and the fabrication of the assemblies used in movable bridges are no longer the best or most reasonable choice for wire rope selection. The current AASHTO and AREMA specifications for wire rope list “6x19 class improved plow steel wire rope of 6x25 filler wire construction with hard fiber core” as the construction for both opera...
متن کاملStudy on Wire Rope Brace Design Method of Prestressed Braced Steel Moment Frame
To study the design method of sectional area and initial tension of wire rope brace of the prestressed braced steel moment frame structure system, theoretical analysis of this structure system is conducted in this paper. The lateral stiffness formula is derived. It reveals the lateral stiffness is related to the lateral stiffness of bare steel moment frame, story height, the distance between co...
متن کاملDevelopment and Practical Use of a Wire Rope Guardrail System for Two-lane Roads in Japan
Fatal high-speed head-on collisions often occur in limited spaces on two-lane roads without median strips. While the installation of such strips is permitted under the Road Construction Ordinance, their provision to date has been limited due to the high associated costs. Wire rope guardrail systems, which can be seen as an alternative to median strips, involve the use of thin posts, have a buff...
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ژورنال
عنوان ژورنال: The Lancet
سال: 1864
ISSN: 0140-6736
DOI: 10.1016/s0140-6736(02)68927-5