Applications Of Slip Form Construction

Slip form construction technique is the most appropriate substitute for the conventional formwork system that helps in horizontal and vertical construction. The slip form facilitates the process of constant pouring of the concrete to the moving framework. The process ceases when the estimated length of the casting is finished. Slip form construction is the primary technology involved to develop tall towering structures.

How Is It Formed?

The slip form framework is framed continuously in the vertical direction. It is essential to construct the core walls of high-rise structures like- towers, lift shafts, and stair shafts. It requires little crane-time during its construction since it is a self-contained formwork system. Any regular shape can be erected with this formwork system. The rate of growth of the formwork is 300mm per hour with its support and doesn't require any reinforcement for establishing the structure. There are three possible platforms in the formwork. The upper platform will offer storage and distribution area. The middle the platform will provide the leading working platform while the lower platform will offer access to concrete finishing.

Advantages Of Slip Form Construction

Slip form construction can yield higher production rates, unlike any other construction technique. It has minimal crane usage as it doesn't require the crane to move upwards. The required formwork is an essential component of the concrete structure construction so that it retains the concrete and takes the requisite desirable shape and acquires the necessary strength to hold the tower. The significant advantage of slip form construction is that it can be erected just once and it will remain intact until the whole structure is finished. The cost and time taken for the development of the formwork are reduced a lot as there is a need for re-erection. The workforce requirement is continuously distributed, and the labor costs are drastically distributed.

Components Of Vertical Slip Form

When the wall foundation has been accurately laid, and a starter for the walls has been laid in correct alignment along with all the steel for the walls inaccurate positions then a slip form assembly can be formed. Now the starter is aligned with the slip form shuttering with the aid of yokes on either side of the shuttering. It will help to keep the panels in the correct position. The horizontal crossbeams will connect the yokes. The horizontal crossbeams are fixated to hydraulic jacks to facilitate simultaneous movement and hence, the entire slip form shuttering moves upward. The height of slip form shuttering is found to be typically between 1.1 m to 1.5 m. The horizontal crossbeams and yokes form the supporting structure for the working platform that carries men and material.

Applications Of Slip Form 

High Rise Structures- The slip form construction technique can be used to develop the vertical structure through the reinforced concrete section to construct tall rise building structures. The building and structures that possess regular shape can be quickly built through this formwork. 

Chimney -The tapered slip forms like cooling towers, chimneys and piers can be easily constructed using the slip form construction technique. This technique aids in creating vertical structures of any shape, wall thickness, or diameter.

Steel Tanks- The massive volume cisterns in factories and industries can be laid out with a slip form construction technique.

Water Towers- The uniform walls of the water tank can be constructed with the help of slip form construction technique. It can help to develop tanks of a capacity of thousands of gallons.