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The bridge pattern is a design pattern used in software engineering that is meant to "decouple an abstraction from its implementation so that the two can vary independently", introduced by the Gang of Four. [1] The bridge uses encapsulation, aggregation, and can use inheritance to separate responsibilities into different classes.
The book is aimed at beginners, with each chapter outlining a single convention, including takeout doubles, negative doubles, and cuebid raises. [1] All chapters are followed by a quiz. Since its publication, the book has sold over 300,000 copies, [2] and won the American Bridge Teachers' Association Book of the Year (Student) award. [3]
However, as a corollary, negative free bids affect the scope of negative double; if the hand is suitable for "standard" forcing free bid (10-11+ points), a negative double has to be made first and the suit bid only in the next round. Thus, the negative double can be made with the following types of hand: A weakish hand with unbid suits (unbid ...
When the truck hit the top girder, or girders, this caused the pressure/squeeze system to fail, which made the bridge fold up. The design was outdated; more modern types of truss can better withstand such forces. Pedestrian bridge over Moanalua Freeway Honolulu, Hawaii: United States: 6 October 2012: Concrete Pedestrian Bridge
The bridge was opened as the Southbank Pedestrian Bridge during Moomba 1990. [4] In November 1998, conservation architect Peter Lovell described it as "one of the largely unrecognised architectural gems of Melbourne", calling it "a beautifully designed and engineered structure which is a pleasure to use and view. [5]
when the contract is successful, the declaring side receives a positive score which is the sum of the following elements, if applicable: (i) contract points, (ii) overtrick points, (iii) a part-game or game bonus, (iv) a bonus for making any doubled or redoubled contract, i.e. for 'insult', and (v) a slam or grand slam bonus; the defending side ...
The Waddell "A" Truss Bridge is standardized truss bridge design that was first patented in 1893 by prolific civil engineer John Alexander Low Waddell. The design provided a simple low-cost, high-strength solution for use by railroads across the United States and Empire of Japan for short spans of around 100 ft (30.5 m).
The Pressure Equipment Directive (PED) 2014/68/EU (formerly 97/23/EC) [1] of the EU sets out the standards for the design and fabrication of pressure equipment ("pressure equipment" means steam boilers, pressure vessels, piping, safety valves and other components and assemblies subject to pressure loading) generally over one liter in volume and having a maximum pressure more than 0.5 bar gauge.