Surprisingly, Interlocking Concrete Blocks have the potential to help marine life. Of course, this is subject to the area and specific location the blocks are placed. For example, Interlocking Concrete Blocks can be used to create artificial reefs, which provide a number of benefits for marine life. Here are some ways that Interlocking Concrete Blocks can help marine life.   

Habitat Creation

The interlocking design creates a complex structure with a large surface area, providing ample space for marine organisms to attach themselves, such as algae. In addition, the gaps and crevices between the blocks offer shelter and protection for various species, including fish, crustaceans, and molluscs.   

Biodiversity

The diverse range of habitats created by the blocks attracts a variety of marine species, increasing biodiversity. Algae and other organisms can colonise the blocks, providing a food source for herbivores and small fish.

Protection and Conservation:

Interlocking Concrete Blocks can be used to make a small artificial pond in your garden, or even placed in certain areas of open water. The blocks can help protect shorelines from erosion and storm damage. This is because they can dissipate wave energy, protecting the coastline and creating calmer areas for marine life to thrive.

Additionally, the complex structure can provide sheltered areas for fish to spawn and lay eggs. The blocks can also serve as nursery grounds for young fish and other marine organisms.

Overall, interlocking concrete blocks can be a valuable tool for creating artificial reefs and enhancing marine ecosystems. By providing habitat, food, and protection, these structures can help restore and sustain marine biodiversity.   

Are interlocking blocks better in water? Or Mortar?

Both interlocking concrete blocks and blocks with mortar have their own advantages and disadvantages when used in underwater structures.

Interlocking Concrete Blocks

Advantages:

• Easy to install, requiring less labour and time.   
• No need for mortar, reducing material costs.   
• Can be more flexible in design and adaptable to different shapes.   
• Can be more resistant to erosion as there are no joints to wear down.

Disadvantages:

• May not be as strong as structures built with mortar, especially in high-stress environments.
• May be more susceptible to movement or displacement, particularly in areas with strong currents or wave action.

Blocks with Mortar

Advantages:

• Offers greater structural strength and stability, especially in large or complex structures.
• Can be more watertight, reducing the risk of water infiltration and corrosion.
• More versatile in terms of design options and customisation.

Disadvantages:

• More time-consuming and labor-intensive to install.
• Requires additional materials (mortar) and skilled labour.
• Joints between blocks can be susceptible to erosion and water infiltration over time.

In general, for smaller, less complex structures in calm water environments, interlocking blocks may be a suitable option. For larger, more structurally demanding projects or in harsh marine environments, blocks with mortar may be a better choice.

What structures can concrete make underwater?

Concrete’s uses are not exclusive to above water, they also have the potential to be used in structures in and around water. Here are 8 examples of what it can help to create. 

1. Artificial Reefs

Artificial reefs are man-made habitats for marine life. In some cases, things such as submerged shipwrecks can eventually become an artificial reef naturally. In addition, artificial reefs help to  protect coastlines from erosion whilst enhancing biodiversity.   

2. Bridge Piers and Foundations

These structures help to support bridges over water bodies, increasing the ability to travel. If created correctly, they can also help to provide stability and durability in harsh marine environments.   

3. Offshore Platforms

These are structures that are only accessible via sea or air, they are far away from land and serve many purposes. Some extract oil and gas from underwater reservoirs, whilst others support wind turbines for renewable energy.   

4. Breakwaters and Seawalls

These structures help to protect coastlines from erosion and storm damage, whilst creating calm water areas for harbours and marinas. This is vital for areas that require access via boat.

5. Tunnels and Culverts

These transport water, sewage, or other utilities beneath waterways.   

6. Underwater Pipelines:

Underwater pipelines are used to transport oil, gas, or water across long distances under the sea. These are vital for whole countries to operate and trade.    

7. Dams and Reservoirs:

Dams and reservoirs help to control water flow and store water for various purposes.   

8. Underwater Concrete Domes:

These are used for various purposes, including underwater storage and research facilities.

It’s important to note that special techniques and materials are required for underwater concrete construction to ensure the concrete’s quality and durability in the harsh marine environment.

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