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In recent years, the tendency to build towers and tall buildings has increased for various reasons. These reasons are :
1.Reduction of the reserves in the ground
2.Construction easy to facilitate , due to the easier use of steel in the construction of metal structures
3.Service concentration in the center of the city
4.Reducing the cost of constructing high-rise buildings due to the price of land, the cost of construction, and the fact that it has a very high profitability
5.Cost reduction for the consumer
In high - rise construction laws , construction design rules are somewhat different from conventional and low - lying buildings . These rules include the following :
1.It should be considered the legal distance of the building from the street or on the sidewalk . because these structures prevent sunlight from reaching public and private spaces and on the streets.
2.Tall buildings , to prevent mishaps , such as the destruction of a building and its impact on the side building , should have good distances.
3.The construction of these tall buildings should not be built from a view of beauty and city in front of sight of natural landscapes.
4.No environmental problems and air pollution (These types of structures, due to their large size, can act as a barrier to air movement and greatly increase air pollution. Therefore, tall buildings are more narrow and So-called pencils are made) .
5.The distance between tall buildings and bus stops should be at least 500 meters and from the metro station at least 1000 meters. In addition, their entrances should not be directly connected to freeways and highways.
one of the first important points in the stability of long - term buildings will be suitable location and assessment of tectonic . In terms of location, in addition to issues such as the strength of the soil under construction, the level of alignment of the land, the importance of leveling, ie soil excavation and excavation, soil type and خاک issues such as environmental problems and climatic conditions of the area for construction of tall buildings Should also be considered. For example, if a tall building or tower is struck on a foundation that has loose soil, there is a possibility that the building will not be able to withstand the load of the foundation and fall suddenly.
One of the key issues in the National Building Code is the protection of buildings against fire or flames. Fires are one of the most serious risks for the buildings and especially high - rise buildings Because in case of fire, in addition to the risk of fire, the behavior of the structure will be different from when it is in normal conditions. Fires can greatly reduce the strength of structural components and cause them to collapse suddenly.
In fact , protecting the buildings from fire in high - rise buildings is much more important . That is why there is a special section devoted to the issue of fire protection in all developed countries in all developed countries . As a rule, the more floors a building has, the higher the risk of fire. In addition , the buildings are more densely populated . As a result , the time required for fire suppression and rescue operations will be greater . For instance , fire and fire suppression operations are very difficult , for example , if it takes place for a building of 40 floors on the ground floor or lower floors .
Parallel load-bearing walls
Cores and load-bearing walls
Self-reliant funds
The sign is designed
Flat slab
Spacing system
Suspended system
Alternating trusses
Rigid frame
Central frame and core
Truss frame
Frame with belt trusses and central core
Tube to tube
Bundled pipes
Ahan Pouya with more than a decade of best-selling experience, adheres to professional and ethical principles in the field of selling and buying at inside and outside the borders of Iran, helping you in the steel industry.
