The 6. 2 magnitude earthquake at gansu rock hill caused an earthquake in sian. The first reaction in the middle of the night was to run, but i couldn't wait to see myself on the 28th floor, thinking, "a little shock doesn't have to run, a big shock can't run," and then i thought the house was too tight to hold on to this little shake. A series of psychological activities were completed in seconds, with a filtration of the forehead, which quickly ended, and when the news came to light with an earthquake in gansu, he fell asleep。
The frequency of earthquakes is not very high, but when they occur, they are basically a king's bombing, with heavy casualties and distress, which can be described as a devastating natural disaster. The earthquake-resistant houses at this time are umbrellas for personal safety, which in turn increase harm. So let's look today at the earthquake resistance of the structural types of common buildings。
01 civil structure
The construction materials for civil structures are mainly bamboo, wood, ground, straw, hay, earth bricks and tiles. In lieu of steel bars, clay (some mixed with straw) is used instead of concrete-made walls of houses, beamed with wood, and in the form of buildings built with tiles or hay. It was the form of structure that prevailed in rural houses in the country, and there is still a large presence in economically disadvantaged areas。
Civil structures are generally less performing and less resilient to earthquakes. Most of the earthquakes will collapse。
Brick structure 02
Brick structures are structures that are constructed using bricks or blocks, such as walls, poles, etc., and wooden structures, such as floors, roofs and so forth. Due to the limitations of mechanics and engineering, the brick structure is typically a layer (1-3 floor). Brick-structured houses are common in our small and medium-sized cities. It is more easily space-separated, self-impaired and has a simple construction process and a relatively single material。
Compared to civil structures, brick walls are able to resist some levels of seismic force and are superior to civil structures, but are still not ideal。
Brick structure 03
Brick structure means a combination of blocks made of bricks, stones, bricks and earth slabs, which are referred to as slurry (slurry, clay slurry, etc.) and which are made up of structures or brick structures. The brick structure is an ancient and traditional structure that has been widely applied since time immemorial, such as the great wall in our country, the anzi bridge in hebei zhao county, the goose tower in xi'an and the lightless temple in nanjing。
The bricks have the advantages of low price, fire tolerance, durability and ease of operation. They are structurally stable, able to withstand greater seismic power and relatively better resistant than the first two。
04 brick structure
Brick structures are the construction of bricks or blocks in the walls of the building to the bearing structure, the construction of columns and the use of reinforced concrete structures such as beams, floors, floors, etc. With the bearing of horizontal weight. This means that the brick structure is a small part of steel concrete and a large part of the brick wall。
Brick structures are more common in residential buildings and are now largely self-built in rural areas. Compared to the brick structure, reinforced concrete components increase the integrity of the building, thereby enhancing its carrying capacity and resilience to earthquakes。
05 steel structure
The steel structure consists mainly of steel beams, steel columns, steel racks, etc., made of steel steel and steel plates, and uses rustproofing techniques such as silicanation, pure manganese phosphorusification, water drying and zinc plating. Welds, bolts or nails are usually used to connect components or components. It is widely used in areas such as large plants, galleries, superhighs, bridges, etc。
The high strength and resilience of the steel enables the efficient absorption of seismic energy and stabilizes buildings in earthquakes. In addition, the light weight of steel structures reduces the impact of seismic loads on buildings。
06 steel and concrete framework structure
Steel and concrete structures are those made of concrete reinforced by steel. The main components of the load were constructed with steel and concrete. These include thin shell structures, large templates, and buildings with concrete structures constructed using slides, lifts, etc。
Strengths of steel and concrete under pressure. In an earthquake, the steel concrete framework is capable of absorbing the seismic force through a link between the pillars and beams and spreading it throughout the structure。
07 concrete and shear wall structure
Steel-condensed concrete shear walls are steel-condensed concrete walls set up in the structure of a house for the main purpose of bearing a horizontal load (and bearing a vertical load within the corresponding range)。
Using reinforced concrete walls, the structure cuts inside the plane and is able to effectively resist earthquakes. As a result, the structure has high resilience and rigidity in earthquakes。
The seven main types of structures are now common, and their seismic resistance requires a combination of structural rigidity, strength and seismic resistance, and the shear wall structure is currently the best. If one considers the possibility of flight, the extent of the damage to the body and the difficulty of rescue after structural damage, the lower layer must be superior to the upper level and the lower shear wall is the best。
Minor residential buildings, two to three floors of low-level housing, are structured using short-legged shear walls, with absolute advantages for stability and safety in earthquakes and maximum security for households。
