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Вы можете ознакомиться и скачать презентацию на тему Based upon occopany. Доклад-сообщение содержит 32 слайдов. Презентации для любого класса можно скачать бесплатно. Если материал и наш сайт презентаций Mypresentation Вам понравились – поделитесь им с друзьями с помощью социальных кнопок и добавьте в закладки в своем браузере.

Слайды и текст этой презентации

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Chemical department Topic.construction Guided by J.M.J SIR D.M.P SIR

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GROUP-2 Zavin gajera(group leader) ch-07 Jaydeep rangani ch-10 Ninma chandu ch-09 Nadan shah ch-12 Subham ch-11

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Topic:construction Introduction Types of building Design load/building load Common building components Introduction building bye-laws

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Types of building Two types of building Based upon occupancy Based on structure

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Based upon occopany Building include based upon occupany. Residential building Educational building Institutional building Assembly building Business building Mercantile building Industrial building Storage building

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Based on structure 1.Load bearing structure It has lod bearing walls which receive the loads and transmit the same to the ground though their foundation. 20,30,40,cm thick walls are load bearing walls. R.c.c slab is provided directly on load bearing walls.

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Based on structure(contd…)

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Based on structure(contd…) 2.Framed structure In the buildings with frammed structure,load is transferred through a frame of R.C.C slab,beam,colomn. In this type of structures,there are partition walls of 10 cm thick,which divide and enclosethe space. Construction time is less.

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Based on structure(contd…)

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Designloads/buildingload

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Live load: Live load consists of moving or variable load due to people or occupants, their furniture, temporary stores, machinery etc.

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The above stated loads are uniformly distributed statin loads in kg/m2 on the plane area and provide for normal effects of impact and acceleration. For multi-storeyed buildings, live loads are considered in designing columns, walls, and foundations depend upon number of floors.

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Dead lode Dead lode comprises of the weight of all walls, partitions, floors and roof including all other permanent construction in the building.

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Wind load It is considered as basic wind pressure which is an equivalents static pressure in the direction of wind. Wind pressure p 〖km/m〗^2= kv^2 Where, k=co-efficient, 0.006 (as per building code) V= wind velocity km/hr. wind pressure acts horizontally on the exposed vertical surfaces of walls, columns etc. and inclined roof of the structure. When the height of building is less than 3 times width of the building wind load may be neglected. Wind load is effective for tall buildings.

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Snow load Actual load due to snow will depend up to the shape of the roofs are its capacity to retain the snow ,the load due to snow may be assumed to be 2.5 km/m per centimetre depth of snow. Rain load Load due to accumulation of rain water on roofs are considered separately and depend upon positioning, shape and drainage system for roofs. In addition to above stated loads following special load s should be taken into consideration.

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Earthquake forces An earthquake produces waves in every possible direction below ground. As per intensity or scale of earthquake, jerks and shocks are acting on earth. The shaking of earth cause effect on the structures supported on earth. To void shaking of earth certain consideration should be made in design of structures to contract earthquake moment in earthquake prone areas. F_E=w a/g Where, F_E =earthquake force W = weight g = gravitational acceleration a = acceleration (due to earth quake) = 0.005 to 0.1 of g

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Hydrostatic forces: The pressure generated by water is called as hydrostatic pressure. They act on the structure which remain in the water and which are erected in flowing water body. Hence for strength and stability hydrostatic pressure should be taken into consideration for special structure like overhead water tank, supports of bridge, dams etc.