Common Mistakes to Avoid When Assembling a Formwork

Poutrelles H20 en bois installées sur un chantier pour le coffrage d'une dalle en béton.

Mounting a coffrage is a decisive step in construction. A rushed or neglected execution can compromise not only the quality of the concrete, but also the safety of the construction site. This article reviews the most common errors to avoid to ensure proper and secure formwork installation.

1. Prioritize security above all

Safety is an imperative on every construction site. It is crucial to ensure that all workers wear their personal protective equipment (PPE), such as gloves, a helmet and safety shoes. Failing to comply with these standards can lead to serious accidents. Before starting the assembly, also check that the site is secure. Make sure the ground is stable and that the formwork elements are well fixed. This creates a safe working environment and minimizes risks.

2. Properly prepare the terrain

Proper ground preparation is essential. If the surface is uneven or cluttered, it can affect formwork alignment and stability. Therefore, start by cleaning the work area and make sure that the floor is well leveled. This step is fundamental to ensure the stability of the structure once the concrete has been poured. Don’t forget that imperfections in the field can affect the quality of the final work.

3. Choose suitable materials

The choice of materials used for formwork is crucial. Indeed, poor quality materials can lead to deformations or ruptures during the pouring of concrete, which would compromise the strength of the structure. To avoid this, select panels and elements that are resistant and suitable for your project requirements. It is preferable to prioritize solid materials, thus ensuring the durability of the entire formwork system.

4. Strictly follow the project plans

Another common trap is not following project plans to the letter. Every detail, whether it is the dimensions, angles or orientation of the formwork elements, must be respected to ensure the precision of the work. By neglecting these instructions, you risk creating imbalances or structural errors. So take the time to check the plans before starting and adjust the elements if necessary. This will allow you to avoid costly errors and ensure that the formwork is installed to exact specifications.

5. Wait before removing the formwork

It is essential to allow the concrete to fully cure before removing the formwork. Removing it too early can damage the still fragile structure. Make sure to respect the recommended drying time for each type of concrete, which varies according to climatic conditions and project specifications. By doing so, you ensure that the concrete is strong enough to withstand formwork removal without compromising the strength of the structure.

Conclusion

Assembling a formwork requires high precision and constant attention to detail. By avoiding these common mistakes, you will not only ensure safety on the construction site, but also the solidity and durability of your construction projects. At Alchary, we provide you with quality formwork solutions, designed to meet the most stringent requirements.

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