Titlebook: Building Maintenance Technology; Lee How Son,George C. S. Yuen Textbook 1993Latest edition Lee How Son and George C. S. Yuen 1993 concrete

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玉米

Cristiana J. Silva,Delfim F. M. Torreseneously in a hardened matrix. Variations in its production and subsequent attack by the environment mean that concrete is not totally immune to defects although it is generally a durable and maintenance-free material.

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Zineb El Rhoubari,Khalid Hattaf,Noura Yousficted by a variety of causes, including those of design and construction faults, use of inferior materials and exposure to aggressive environments. The need for a repair is primarily dictated by the severity of the deterioration as determined from the diagnosis. Good workmanship is essential if anyth

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Corina Drapaca,Siv Sivaloganathantable, problems do occur because of poor design and construction. All roof coverings are expected to be durable under a wide range of conditions. But this durability is often short-lived because the roof is invariably exposed to the extremes of temperature, solar radiation, snow loadings and wind ac

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follicular-unit

鴿子

P. Kowsalya,R. Kaviya,P. Muthukumar boundary walls, railings, fencings and turfed areas. The main causes of failure related to external works include poor design, bad workmanship, soil settlement, chemical attack on materials, weathering elements, mechanical damage and vandalism.

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Collecting and Interpreting Data, of failure, provided that the rock is sound and solid. But because most buildings have to be built on other soils, which include materials of various origins, some movement and settlement must be expected.

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