The weight of the bricks has nothing to do with the earthquake resistance of the house

There is a certain relationship. In different structures, the situation is not the same. The beams of the frame structure are all load-bearing ratios, and the lighter the mass and the higher the strength, the better the wall.

This also puts less pressure on the entire structure. The brick-concrete structure is not as good as the frame structure in terms of seismic resistance, but as far as it is concerned, the relationship between light and heavy is not very large, and the only thing to pay attention to is the strength of the brick, whether it can withstand the bending and swaying of the wall in the first place, and not destroy. The seismic aspect of brick-concrete structures depends mainly on the structural design.

Never mind. It depends on the structure of the house!

Usually brick-concrete structure, brick-timber structure, these two structures of the house have no seismic performance.

Nowadays, the general buildings in large cities use frame structures, which have good seismic performance.

There are also shear wall structures, steel structures, etc., steel structures have the best seismic performance, but the cost is too high!

I think it's still related.

Everyone knows that Kobe** in Japan, although it is only graded, but it has caused huge losses, which is much worse than Sichuan.

After the earthquake, the investigation team believed that the house itself was too heavy, especially the brick structure of the roof.

The people of Kobe originally built their houses in this way to resist typhoons, but they have become a burden in **.

It has something to do with it.

However, the main thing should be to look at the structure of the house.

Seismic fortification standards are built.

2. Houses, bridges, tunnels and other civil engineering buildings should be designed to resist the structure of these forces under the influence of natural forces (including wind, ** force, natural erosion force, etc.) that may be generated by the weight of building materials, the load that may be generated to meet the use function of the building. Generally speaking, for buildings in non-** areas, steel bars and building materials will be weaker in the process of construction. **The building structure in the district should be stronger (more reinforcement and higher grade concrete).

3. Buildings in Wenchuan and Sichuan need to be designed and built in accordance with seismic fortification. If it is the largest level in the history of Wenchuan, then the design needs to be improved by one level, which is in accordance with the 9-level seismic fortification.

4. This time, I think many people will continue to stay in the place where their ancestors lived. And people all over the country and overseas are concerned about helping the people affected by the disaster. We continue to work hard, and I believe that many people will stay, and if the disaster area is built well, I believe that those who have been temporarily relocated will also return.

Home is an unchangeable status in the hearts of every Chinese.

Thank you for caring about Sichuan and Wenchuan!

1 Look at the environment in which the house is located. Whether the surrounding environment and topography of the house are protruding mouths, towering mountain packs, and non-rocky steep slopes. Whether it is in an unstable gully and a section where slippage, subsidence, collapse, and dangerous rock roll-off may occur.

Is there a seismic fault at the site? Whether there is a paleoriver channel or not. Whether there are liquefiable layers of saturated sand and sub-clay within 15 metres below the surface.

Generally located in the above locations are more susceptible to the influence of **.

2 Look at the basics. Generally speaking, a deep foundation is better than a shallow foundation; Raft foundations are better than strip foundations; A strip foundation is better than a separate foundation; Caissons and monolithic basements are best.

3 Look at the flat and the façade. See whether the shape of the plan and façade of the house is simple and square, self-weight and symmetrical, or the shape is complex, with many changes in stiffness, local protrusion or tortuous external contours. In fact, in terms of earthquake resistance, the simpler the design and the more square the house, the stronger the earthquake resistance.

Owners should not pursue the personality of the community style too much when choosing a house. And for facades, top-heavy buildings (e.g., smaller columns on the ground floor) tend to be less earthquake-resistant.

4 Look at the room type. In terms of building layout, according to the house plan, it depends on whether the longitudinal wall load-bearing layout with poor seismic performance is adopted, or the load-bearing layout of the transverse wall or the longitudinal and transverse wall with good seismic performance.

5 Look at the material. The seismic effect of reinforced concrete structures is much better than that of brick-concrete structures. In terms of material selection, those materials that are ductile are more resistant to earthquakes than brittle materials.

6 Look indoors. Identify how solid the wall is, whether there are large cracks, whether there is obvious external flash, drum loosening and whether the wall has serious alkali corrosion. For other seismic requirements, our engineers have to deal with many problems such as the tie of the wall and the structure, the anchorage of the cantilever structure, the seismic resistance of the parapet wall, and the setting of the ring beam in accordance with the relevant national seismic regulations in the construction.

However, because the above-mentioned problems of the rough house handed over to the owner have been hidden, the owner cannot observe it with the naked eye.

Thatched houses have the highest level of earthquake resistance. It's not a joke, the house with the imitation thatched house structure has a relatively high earthquake level. At present, the overall earthquake-proof performance of houses built with integral components is much better than that of ordinary buildings.

Wooden structure with traditional mortise and tenon joints!

According to the national standard, the specific gravity of traditional solid clay bricks is 24 cm, 12 cm, 6 cm, and the volume is 1728 cubic centimeters.

So the weight of a solid clay brick is grams) 3 kg.

China has banned the use of solid clay bricks in large and medium-sized cities, and by 2010 will completely ban the use of solid clay bricks in all cities.

I just consulted with a professional. Wet (freshly baked, or wet by rain) is about 6 pounds - equivalent to 3 kg. The dry is about 5 pounds - equivalent to.

There is no such thing as a level of earthquake resistance in Chinese buildings, and earthquake resistance refers to seismic intensity in the construction industry. In general, the basic intensity is taken, but it must also be determined according to the size of the city where the building is located, the type and height of the building, and the local seismic fortification community planning.

1. Class A and Class B buildings: when the seismic fortification intensity of the region is 6 8 degrees, it should meet the requirements of increasing the seismic fortification intensity of the region by one degree; When the fortification intensity of the area is 9 degrees, it should meet higher requirements than the 9 degree seismic fortification. When the construction site is classified, it should be allowed to take seismic structural measures according to the requirements of the seismic fortification intensity of the area.

2. Class C buildings: should meet the requirements of seismic fortification intensity in the region. When the construction site is Class I, except for 6 degrees, seismic structural measures shall be allowed to be taken according to the requirement of reducing the seismic fortification intensity of the area by one degree.

It is used to determine the seismic intensity after adjustment according to the building type and site, and the seismic intensity after adjustment.

After Wenchuan**, the building was required to resist a magnitude 8 earthquake.

China does not have a specific anti-level **.

He divided the fortification intensity according to previous experience.

for 6, 9 degrees.

6 degrees is only equivalent to 4 degrees**.

8 degrees is equivalent to 6 degrees**.

The normal fortification standard is that the important structure will not be damaged under the fortification intensity, and when it can be used slightly lower than the fortification intensity, the structure will not be damaged and there is no need to repair.

When it is stronger than the fortification intensity, it can not collapse. The 6,7,8,9 degree zone is basically ,,, level ** does not collapse.

At the same time, there are some empirical structures for earthquake resistance, which is simply the seismic grade according to the structural form and building height.

One, two, three, four and not earthquake-resistant.

At the same time, according to the importance of the building, it is divided into fortification grades: A, B, C, D.

Buildings A, B, C, D shall appropriately adopt seismic calculations and seismic measures in accordance with the regulations.

Basically, it's all below level 4 and level 5.

First of all, the importance of the selection of the structure in the seismic design is the first priority. The plane and vertical direction of the structure should be simple, uniform, reduce the sudden change in stiffness, etc.;

Secondly, it is the ductile design of structural components. Both the structure as a whole and the components should have a certain deformation capacity to prevent brittle failure of the structural components.

The second is the energy-dissipating design of structural components. Such as the energy dissipation role of connecting beams in **.

Steel structure seismic resistance.

The steel structure is designed by elastic theory, and its components can be recovered after a small deformation, while the reinforced concrete structure is designed by rigid theory, and cannot be deformed and cannot absorb the energy. The larger the span, the more affordable, environmental protection in line with the concept of green building Due to the good plasticity and toughness of steel, it can have large deformation and can withstand dynamic loads well.

Secondly, the homogeneity and isotropy of steel are good, and it is an ideal elastomer, which is most in line with the basic assumptions of general engineering mechanics, so the seismic performance of steel structure is better than that of reinforced concrete structure.

The steel structure has good seismic performance. The main material of the steel structure house is steel, compared with concrete, steel is more prominent characteristics is good toughness and toughness, so that it has a good ability to resist impact brittleness, strong adaptability to dynamic loads, and its good ductility and the ability to consume impact energy make the steel structure have superior seismic performance.

Steel structure houses and light steel structure houses are relatively common in North America, Japan, and Europe, and they are also a housing construction model that people are very recognized. The steel structure is characterized by light weight, strong load-bearing capacity, and good toughness, which can well alleviate the impact of the first and other disasters, so that the user's life and property safety can be protected to a certain extent from disasters.

Generally speaking, the seismic performance of the steel structure is better, because the load has a great relationship with the weight of the building, and the weight of the steel structure is lighter, so the load is also smaller. Japan is a country with a lot of occurrences, so they are very strong in terms of steel structure. When many Japanese go to China to build factories, they are required to make steel structures, which are much higher than the cost of concrete.

The steel structure has good seismic resistance, in addition to the problem of self-weight upstairs, the steel structure has the incomparable flexibility of the concrete structure because of the mechanical properties of the steel, so that the steel structure will not break and collapse under the action of the first force. The reinforced concrete structure is relatively rigid, and when the external force exceeds the limit it can bear, it will be partially damaged or completely destroyed.

A 4-story building is not called a bungalow, but a building. The full weight of the four floors of the masonry structure is distributed among the brick walls on the ground floor, which is then passed from foundation to foundation.

It depends on the overall structural type of the house.