Cement brick is a commonly used building material, which is mainly made of mixed materials such as cement, sand, and stone. Cement provides solidification and hardening, and sand and gravel provide structural strength as aggregates. Reactive mixtures such as fly ash and slag are sometimes added to improve strength and durability. The production process of cement bricks includes raw material mixing, pressing and forming and curing and hardening processes.
The strength grade of cement bricks is divided according to the compressive strength, such as the common 325mpa、42.5mpa、52.5MPa, etc. The size of cement bricks varies according to their use and manufacturing process. In practical application, the economic benefits, production technology maturity, and environmental protection characteristics of cement bricks are also important factors for users and architects to consider.
1.Standard bricks: This is the most common cement brick specification, the size is 240mm x 115mm x 53mm. Bricks of this size are the basic unit in the construction industry and are suitable for all types of wall construction, including load-bearing and non-load-bearing walls.
2.Eight-hole brick: This brick measures 240mm x 115mm x 90mm and is characterized by eight holes to improve the air permeability of the wall and is often used for non-load-bearing walls, such as partition walls.
3.Hollow bricks: The size of hollow bricks is usually 390mm x 190mm x 190mm, because the interior is hollow, it is lighter in weight and is mostly used for filling or partitioning of buildings, which helps to improve construction efficiency and reduce costs.
4.Special-shaped bricks: This type of bricks includes a variety of irregular shapes and sizes, such as L-shaped, U-shaped, Z-shaped, etc., and is used for specific building structures, such as corner walls or special decorative effects.
In addition to the above four types, there are also other specifications such as single-row hole blocks, seven-hole bricks, etc. Among them, the commonly used specifications of single-row hole blocks are 390mm x 120mm x 190mm, and the specifications of seven-hole bricks are 180mm x 115mm x 90mm or 250mm x 150mm x 60mm, etc. These specifications of bricks play their respective roles in different building uses.
Cement bricks: usually made of cement, sand, gravel and other mixed materials through pressing, forming, curing and hardening. Cement bricks can be solid or hollow, but hollow bricks usually have a low porosity. It can be solid or hollow, but hollow bricks have a lower porosity and are more dense in structure. Due to its high strength, it is often used in the load-bearing parts of building structures, such as walls, columns, etc.
Hollow bricks: made of clay, shale, fly ash, etc. as the main raw materials, after raw material treatment, molding, and sintering. There are significant cavities inside the hollow bricks, which help to reduce the overall weight of the bricks while improving thermal and acoustic performance. It has a high porosity and a hollow structure inside, which makes the bricks lightweight and has better sound insulation and thermal insulation. Due to its light weight, it is mostly used for non-load-bearing wall construction, such as partition walls, infill walls, etc.
When choosing whether to use cement bricks or hollow bricks, you need to decide according to the specific building use and design requirements. For example, in structures that require load-bearing, solid or porous cement bricks are often used; In walls that do not require load-bearing, hollow bricks can be used to reduce the weight of the building, improve construction efficiency, and reduce costs.
The application prospect of cement bricks is still broad, especially in infrastructure construction, real estate development and rural construction. However, in the face of environmental pressure, the cement brick industry also needs to transform and upgrade, and develop products with lower energy consumption and more environmental protection to adapt to the trend of green building and sustainable development.
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