Conveyers and Pneumatic Tubes
When there is a continuous flow of materials, such as mail or other documents to be distributed throughout a multistory building, […]
Conversion of Unit Weight and Density of soil
A soil sample has a total unit weight of 125 lb/ft3. It is desired to find its total unit weight
Corrosion testing of prestressing steel Historical development
The technological development of prestressing steels was accompanied by research to establish parameters and test methods for susceptibility to H-SCC.
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Contractors site personnel
The key personnel employed by a civil engineering contractor on a construction site are usually: the agent, who is in
Controlling excavation
The base of an excavation has usually to be trimmed level and cleared of disturbed or loose material so that it
Continuous-Beam Bridges
Articles 12.1 and 12.3 recommended use of continuity for multispan bridges. Advantages over simply supported spans include less weight, greater stiffness,
Control of Computerized HVAC Systems
Control of HVAC systems ranges from simple thermostat on-off control to control by sophisticated electronic and computerized systems. Many variations of
Control Systems for Air Conditioning
One commonly used system has a thermostat wired in series with the compressor holding-coil circuit (Fig. 13.40). Thus the compressor
Contractors Business Consultants
Construction contractors often have to engage experts from various disciplines to advise and assist them in conducting their business. In addition