Sometimes the side of concrete bridges is observed to turn black in colour. What is the reason for this phenomenon
In some cases, it may be due to the accumulation of dust and dirt. However, for the majority of such […]
Some common problems
The following are typical of some common problems the resident engineer frequently referred to as the RE below may have
Some important points the resident engineer should watch
Some important provisions of the ICE conditions of contract that need to be borne in mind by the RE are as
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Some early tasks for the resident engineer
At the end of the first week the resident engineer will no doubt find that he already has a number
Some problems of billing
Excavation Apart from excavation by dredging or for cuttings; the CESMM distinguishes only between excavation for foundations and general excavation (listed
Some causes of unsatisfactory concrete test results
The two most common kinds of failure are: failure to get the required strength, the concrete being otherwise apparently good; structural
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Sound Production and Transmission
Sound is a vibration in an elastic medium. It is a simple form of mechanical energy, and can be described by
Sound Characteristics and Effects on Hearing
Sound travels via elastic media. Hard, rigid, dense materials make excellent transmission paths, because they can accept much energy readily. Sound
Sound and Vibration Control
This process consists of: 1. Acoustical analysis a. Determining the use of the structure the subjective needs b. Establishing the