الفهرس 
Literature ReviewOnly 14 pages are availabe for public view
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Abstract
Electric earthing is a crucial issue for the protection of humans and
equipment against electric discharge. Facilities such as hospitals, power stations,
oil plants, etc. require a reliable and operational earthing systems for this
operation. Traditional earthing systems are exposed to damage due to natural
processes and human behavior (i.e. cutting or theft).
The objective of this work is to investigate Electrically Conductive Concrete
(ECC) by used available local materials and study the affect on different
properties and durability to apply it in electrical and structural co-applications.
The scope of this study included available local materials such as steel
shavings, carbon powder and graphite powder, as replacement from the amount of
aggregate, also included different percentages of additives to determine the
optimum percent to use in for electrical and structural co-applications.
Experimental program is designed from three groups according to additive
material (steel shavings - carbon powder - graphite powder) in addition to the
control mix for comparison, and then four different mixes were prepared for
every additive material according to the used percentage.
The performance of fresh concrete evaluated by measuring slump and air
content, and compressive, tensile and bond strengths, and corrosion and abrasion
resistance for hardened concrete to 90 day, the electrical properties of (ECC)
evaluated by measuring DC & AC conductivity at (50 HZ) in x, y and z
directions.
from the discussion of the test results obtained in the research, the steel
shaving, carbon powder and graphite powder can be used for improve the
electrical conductivity for concrete mixes, where (ECC) is structurally fit for use
in construction. Also the study recommended a table was organized to evaluate
the all measured properties to determine the fit mix according to the requirement
properties in application.