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What is interlocking bricks?
In general, the construction process and masonry are difficult, time-consuming and expensive. Different types of construction methods are considered and developed to overcome the difficulties and problems encountered during construction. At the same time, the materials and equipment used for construction are also fabricated to improve the quality of construction and reduce time and cost. One such breakthrough in the construction industry is interlocking blocks.
Interlocking bricks are an improved form of traditional clay bricks. Each brick is designed to seal itself to other surrounding bricks without the use of mortar. Automatic locking is achieved using the Shear key and the lock mechanism. Depending on the design, the shape of the shear key will vary and provide a complimentary lock on the opposite side of the brick. Load transfer is achieved by shear transfer and gravity.
Interlocking blocks are compacted and stabilized earth bricks, which contribute to the strength of the structure. They are not usually packed. Interlock bricks come in different sizes and locking systems depending on the supplier.
How are Interlocking Bricks made?
High-quality interlocking bricks are made of cement, sand and Stone dust mixed together in appropriate proportions. The required materials are batched and mixed proportionately. Once the required mix is prepared, it is then compressed to form bricks with desirable interlocking patterns. The compression is achieved by using a hydraulic compression system. The bricks are then subjected to curing for about 7 days.
High-quality interlocking bricks are mixed together in appropriate proportions by cement, sand and stone dust. The required ingredients are compiled and mixed in proportion. Once the required composition is prepared, it is compressed to form bricks with desirable interlocking shapes. Compression can be achieved by using a hydraulic compression system. Then the bricks are cured for about 7 days.
Advantages of Interlocking Bricks
There are many reasons why you may want to use Interlock brick. Let us first go over the benefits of interlock bricks:
Economical: Interlock bricks are made of cement with the addition of cement and sand, so they are made of cement at a lower cost than conventional bricks. In fact, interlocking bricks cost 35% less than conventional bricks. Interlock bricks may contain 10% cement, with the remaining mixture containing soil and sand.
Earthquake resistant: The reason is simple. Ordinary brick relies on mortar for its support system. If the mortar fails, the entire wall or building will fail. But interlocking bricks have their own support system that does not depend on the mortar. They effectively support each other.
Governments recommend: In earthquake-prone areas, some governments recommend interlocking bricks. Interlocking bricks may be a better choice if you are building in an earthquake-prone area.
Better insulation in hot areas: Interlocking bricks are also suitable for hot areas. Because it is compressed, it has more mass and the brick keeps the interior of the building cooler.
Environmentally friendly: The use of interlocking bricks can help protect the environment. Not only will they use less concrete and mortar, but building occupants will not need to use as much air conditioning as the interior temperature is lower.
Labor shortage: Not only does it cost less to make interlocking bricks, but it also requires less effort and fewer workers. For example, there is no need to check the water level compared to ordinary brick.
Curing faster: If you want to quickly build a building, interlocking bricks can help. No need for long curing of bricks (only need to cure for 7 days compared to 2 days).
A container yard pavement comprises one or usually more layers of pavement construction materials arranged so as to support and facilitate the handling and storage of containers by a port's container handling equipment over the natural or improved subgrade on which the port is built. In this regard, container terminal pavements are similar in character to highway pavements or aircraft pavements.
However, container terminal pavements are required to deal with the following unique matters:
Wheel loads of container handling equipment can be an order of magnitude greater than those commonly encountered on highways: highway pavement design methods should not be used for container terminal pavements.
It is common for container handling equipment to travel in channellised paths: pavement surfacing materials which have performed well on highways may fail in these areas.
Tyres are often inflated to over 1,000 kPa (145 psi), whereas highway vehicle tyres are inflated to 700-800 kPa (100-115 psi). This can lead to rapid deterioration of surfacing materials.
Braking, cornering, accelerating and running over uneven surfaces increase wheel patch loads applied to a container pavement significantly. Container terminal pavements sometimes fail at the locations where these factors predominate.
Containers rest on four corner castings which can easily lead to deformation of soft surfacing materials.
The sizes and shapes of container terminal pavements introduce onerous drainage requirements which can lead to pavement materials becoming wet and damaged.
Slow moving handling equipment can lead to deformation of flexible surfacing materials.
Container yard pavement comprises a major element in the capital cost of a container terminal so their design needs to minimise both the construction cost and maintenance cost, usually over a fixed period which is related to the commercial arrangements in place.
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