Light and heavy building
A) Light building:
The construction industry is one of the most important industry sectors in the world with specific regional characteristics. This industry has been affected by cost competition over the past years. Due to variables such as demographic changes, climatic conditions and competition in the international arena of the construction industry, the need for numerous innovations such as the implementation of prefabricated structures and their adaptation to human needs is felt more and more.
At present, all types of domestic and foreign prefabricated structures in the field of dry construction in Iran and the world have been met with increasing acceptance by builders. One of the most important reasons for using it is the removal of mortar, screw connections, speed and high quality along with a reasonable price. In addition to the false ceiling, these products have provided the possibility of different types of separating walls, covering, decoration and special mesh ceilings.
B) Heavy building:
1) Heavy metal building including:
Research has shown that delays, cost overruns and quality problems in construction projects are in many cases related to the role of design in the success of construction projects and poor design management methods.
Poor understanding of the client's and stakeholders' needs, inappropriate research about the site's condition and incorrect use of design parameters are some of the factors that cause changes in several revisions and revisions of maps.
2) Heavy concrete building including:
Large or special concrete structures with prefab and in-situ industrial execution method - large concrete skeletons - high-rise concrete apartment buildings - multi-story or underground parking and subway station - shelters and hangars and concrete bridges or special execution method - silos and resources and large concrete tanks - carrying out construction works of large water and sewage treatment plants - concrete foundations for all kinds of factories and industrial facilities - similar works

