I. Brick-concrete structure

Brick is the main building material. "Brick" refers to a building material with uniform size, and there are also irregular clay bricks with other sizes, such as hollow bricks. "Mixing" refers to reinforced concrete ingredients made of steel bars, cement, sand and gravel and water in a certain proportion, including floors, lintels, stairs, balconies, eaves, etc. These fittings are combined with the brick load-bearing wall, which can be called brick-concrete structure residence. The seismic grade of brick-concrete structure is relatively low, so the brick-concrete residence generally does not exceed 6 floors. Brick-concrete structures are supported by brick walls. As shown below, the weight on the floor is transferred to the brick wall supported below through the floor, and finally to the foundation ground.

Its structure is as follows:

Characteristics of brick-concrete structure buildings;

Load-bearing characteristics: the load-bearing structure of brick-concrete structure is floor and wall.

Characteristics of storey height: When building design is done for brick-concrete structure, the floor is generally less than 6 floors.

The sound insulation effect depends on the choice of partition materials. Although the red bricks commonly used in brick-concrete structure are built one by one, the sound waves are blocked at every joint, which makes the sound waves attenuate again and again. However, after all, it is very old building materials, which is much worse than some new building materials.

Second, the frame structure

The load-bearing structures of houses are beams, slabs, columns and shear walls. Frame structure refers to load-bearing beams and columns made of reinforced concrete, and the weight of buildings is mainly borne by beams and columns. The walls made of other light materials only play the role of heat preservation and sound insulation, and do not play the role of supporting the building, so there is a lot of room for indoor pattern change.

Features of frame structure:

Load-bearing characteristics: the load-bearing structure of frame structure residence is beam, plate and column;

Sturdy features: Due to the load-bearing structure, the frame structure is generally a high-rise building.

Features of the transformation: Most of the walls are filled walls, which are not load-bearing, so the transformation is relatively simple, just knock off the walls.

Three. Comparison of cost and use

Generally speaking, the cost of frame is about 20% higher than that of brick-concrete structure. Frame structure is suitable for earthquake areas or houses that need to change walls frequently. Brick-concrete structure is suitable for houses with good geological conditions and little change. As for this kind of hollow house, I suggest you don't use it! !

4. Comparison between brick-concrete structure and frame structure in reconstruction:

Because most of the walls of frame structure are not load-bearing, it is relatively simple to transform them. Just knock them off, while many walls of brick-concrete structure are load-bearing structures, so it is not allowed to be demolished.

frame construction

Frame structure is a structure composed of many beams and columns, which bears all the loads of the house. In high-rise civil buildings and multi-storey industrial workshops, brick walls can no longer meet the requirements of heavy load, and frames are often used as load-bearing structures. Housing load includes the weight of people, furniture, articles, machinery and equipment, as well as the weight of floors, walls and themselves.

The wall built in the frame only plays the role of enclosure and separation, and does not bear other loads except its own weight. In order to reduce the load of the frame, lightweight walls, such as foamed concrete blocks (wallboard) or hollow bricks, should be used as much as possible. Generally speaking, most frames are cast-in-place. In order to speed up the construction progress and save formwork and top bracing, partial prefabrication (such as column) and partial cast-in-place (beam) or precast joint of column beam can also be adopted.

Concrete and brick structure

Brick-concrete structure means that the wall of vertical load-bearing structure in a building is built with bricks or blocks, and the constructional column, transverse load-bearing beam, floor slab and roof slab are built with reinforced concrete structure. In other words, brick-concrete structure is a load-bearing structure with a small part of reinforced concrete and most of brick walls. Brick-concrete structure is a kind of mixed structure, which is a mixed structural system composed of brick walls and reinforced concrete beams and columns. Suitable for small bay depth, small room area, multi-storey or low-rise buildings. Load-bearing walls cannot be changed, but the frame structure of most walls can be changed.

References:

Baidu Encyclopedia Frame Structure Baidu Encyclopedia Brick Structure