Hello World! Welcome Friends! There is no doubt that construction is the epitome of human civilization. In that light, modern technology has played a pivotal role in the construction industry. However, the use of formwork in construction stands out from other technologies.
Formwork provides proper working platforms for workers, upholding their safety. It also plays a significant role in producing safe and sustainable structures. Besides, high-quality Formwork Contractors help a project to remain within its budget constraints, without compromising quality. These are some of the things you should consider in regards to formwork usage in construction.
1. The Type of Formwork
There are many types of formwork you can choose from. They include Aluminum Formwork, timber formwork, plywood framework, among others. If you decide to work with timber formwork, ensure that it is light in weight, well-seasoned, easily workable with nails, and has no loose knots. Ensure that all surfaces coming into contact with concrete are smooth and even.
In plywood formwork, plywood sheets are attached to timber frames, to make panels of any desired size. Plywood formwork might be cheaper than timber formwork in some cases. For instance, large panels save labor costs associated with fixing and dismantling formwork. They are also more reusable compared to timber formwork.
2. Quality of the Formwork
For excellent results during construction, ensure that the formwork meets some requirements. For instance, the formwork should be light but strong enough to withstand any load, dead or alive. It should also be rigid, both vertically and horizontally, to ensure that it stays in shape.
Besides, the formwork should have tight joints, to prevent cement from leaking. Despite being tight, it should be flexible to allow the removal of parts without damaging the concrete. It should also withstand elements without warping or getting distorted.
3. The Cost of the Formwork
The construction of formwork is not quite cheap. In some cases, it might cost up to 25% of the cost of the structure. Therefore, it is vital to observe efficiency to get value for the money. Ensure that the building’s plan has minimum variations in terms of the size of the rooms and the floor area. Uniformity makes it easy to reuse the formwork repeatedly.
Also, minimize sawing and cutting of wooden pieces in case of timber formwork. That makes it easy to reuse materials severally saving on cost.
4. Removal of the Formwork
Removal of formwork is referred to as stripping. It should be done gradually to prevent damaging the structure. Formwork forming the vertical faces, beams, and column sides should be stripped first since they only retain the wait without bearing any weight. They should be followed by formwork forming soffit ceiling of slabs.
Shuttering bearing the most weight should be removed last. This includes formwork forming soffit of beams, girders, and any other heavily loaded shuttering. However, you should never remove the formwork before the concrete is strong enough. The gradual removal of the formwork prevents the drastic transfer of weight to the concrete.
Making the Right Decision
There are various types of formwork you can choose from. Before choosing, consider factors such as the structure’s geometry and the available resources in terms of money and labor. Choose a formwork that is easy to maintain and store. Also, choose a formwork that can withstand the climatic conditions of the construction site.
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