Definitions of Elevator Terms
Annunciator. An electrical device that indicates, usually by lights, the floors at which an elevator landing signal has been registered. Buffer. […]
Sociological changes, new technology in industry and commerce, new building codes, other new laws and regulations, inflationary economies of nations, and advances in building technology place an ever-increasing burden on building designers
and constructors. They need more and more knowledge and skill to cope with the demands placed on them.
The public continually demands more complex buildings than in the past. They must serve more purposes, last longer, and require less maintenance and repair. As in the past, they must look attractive. Yet, both building construction and operating
costs must be kept within acceptable limits or new construction will cease.
To meet this challenge successfully, continual improvements in building design and construction must be made. Building designers and constructors should be alert to these advances and learn how to apply them skillfully.
One advance of note to building design is the adaptation of operations research, or systems design, developed around the middle of the twentieth century and originally
applied with noteworthy results to design of machines and electronic equipment.
In the past, design of a new building was mainly an imitation of the design of an existing building. Innovations were often developed fortuitously and by intuition and were rare occurrences. In contrast, systems design encourages innovation.
It is a precise procedure that guides creativity toward the best decisions. As a result, it can play a significant role in meeting the challenges posed by increasing building complexity and costs. The basic principles of systems design are presented
in this section.
Annunciator. An electrical device that indicates, usually by lights, the floors at which an elevator landing signal has been registered. Buffer. […]
The ACI 318 Building Code defines deep beams as flexural members with clear span-depth ratios less than 2.5 for continuous spans
In selection of a deck or the type of roof-covering material and system, it is important to develop a design that
Use of natural light has the advantages, compared with artificial illumination, of not consuming fuel and not having associated operating costs.
The ACI 318 Building Code contains requirements limiting flexural reinforcement spacing to regulate crack widths when the yield strength Æ’y of
Curing of concrete consists of the processes, natural and artificially created, that affect the extent and rate of hydration of the
Copper and nickel are alloyed in a variety of compositions of which the highcopper alloys are called the cupronickels. Typical commercial
Structural members, such as arches, crane hooks, chain links, and frames of some machines, that have considerable initial curvature in the
During development of a project the client normally looks to the architect for construction cost estimates. It is advisable to provide