Horizontal Cabling
The Commercial Building Telecommunications Cabling Standard, ANSI/TIA/EIA- 568-A, defines categories for 100- unshielded, twisted-pair cables. The Category 3 designation applies to cables […]
Historical review concrete constructions
Although some early post-tensioned slab structures were constructed in Europe, the first real development of this method took place in
Heavyweight and Lightweight Aggregates
Heavyweight aggregates include magnetite, with a specific gravity S of 4.3; barite, S = 4.2; limonite, S= 3.8;
Heat Treatment and Hardening of Steels
Heat-treated and hardened steels are sometimes required in building operations. The most familiar heat treatment is annealing, a reheating operation in
Heavy-Duty Floor Finishes
Floor surfaces highly resistant to abrasion and impact are required for many industrial and commercial uses. Such surfaces are usually built
Helpful Hints for Noise Control
A building encloses a myriad of activities and the equipment used in those activities. It is imperative that designers and
Heat and Humidity
People have always struggled with the problem of being comfortable in their environment. First attempts were to use fire directly
Heat Gains
These differ from heat losses only by the direction of the heat flow. Thus, the methods discussed in Art. 13.7 for
Heat Losses
Methods and principles for calculation of heat losses are presented in Art 13.3. These methods provide a rational procedure for