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06-05-2017, 12:00 AM

hi i am ali i want to know about seminar on impact of lightening on building and its remedial measure

06-05-2017, 12:05 AM

i am very satisfied thank you very much

jaseela123d · 06-05-2017, 04:09 PM

Lightning can cause significant structural damage to a building. It can damage machinery and equipment, both inside and outside the building and can result in injury to people. Protection against lightning and grounding of electrical and mechanical equipment for the protection of human beings, building structure and equipment protection, safe work of the worker in the industry according to my latest knowledge in the site environment in extreme climatic conditions of Low Gulf Region areas in challenging projects. All driver calculation, all system information regarding the level of protection required for the site are mentioned in this document. Electrical and Mechanical Equipment Surge protection is the most complicated protection in the world as it is unpredictable. As both can cause significant causality and damage the building and equipment on the way to the surroundings. According to the world state there are more number of causalities as occurred due to lighting and short circuit errors. Grounding of electrical and mechanical equipment may have a low potential difference, therefore, it will not cause much damage as the overvoltage current has an easy path to the ground. Complete information regarding the lightning rod and lightning system is illustrated by my results while working as the electrical design engineer.

IMPACT OF THE LIGHT IN THE BUILDING AND ITS REMEDIAL MEASURES

Lightning is one of the most spectacular and impressive meteorological phenomena. Lightning comes in various types and shapes. Generally, the complexity of lightning is not visible to the human eye, because it happens so fast; But exposure photos to time capture and reveal the beauty of the lightning very well. Lightning is dangerous, but without lightning, there may be no life on this planet. The National Board of Fire USA reports that lightning is the number one cause of farm fires. Lightning is also responsible for more than 80% of all livestock losses due to accidents and millions of dollars in damage to buildings and agricultural equipment annually.

A system that protects family, livestock and farm property against lightning prevents or significantly reduces these hazards. Lightning protection systems should only be installed by qualified persons with the necessary credentials and equipment. However, a working knowledge of lightning protection principles will help to communicate with these experts and oversee proper maintenance of the system once installed.

EFFECTS OF LIGHTNING

The effects of lightning are commonly divided into direct and indirect effects. A) Direct effects (strikes on structures): A direct strike on a building or structure will seek a path to land, either through the lightning protection system of the structure or through any other metallic path through a series of Flashovers that can be quite unpredictable. In addition to direct strikes on buildings and structures, lightning strikes can directly attack power lines, antennas, antenna feeders and overhead telephone lines, as well as mechanical services such as water and gas pipelines. Direct rays can be connected. The objective must then be to intercept these impulses when entering the building and passing them to the earth.

PROTECTION OF FIRE STRUCTURE

Lightning protection systems, essentially windshields (protection of structures) and surge protectors (protection against overvoltages), provide effective protection if they are carefully defined and installed. A) External protection a) Protection system (lightning rod) The purpose of these is to protect structures against direct rays. By capturing the lightning bolt and running the discharge current to ground, they prevent damage related to lightning and the circulation of the associated current. Lightning conductors fall into four categories: A beam radius (franklin bars) These consist of one or more tips, depending on the size of the structure and the down conductors. They are connected directly to the installation ground electrode (foundation) or, depending on the type of protection and national working practices, to a special grounding electrode (grounding electrode of the lightning conductor) which is connected to The land of the installation.

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