Technical and economic study of striking and clearing operations in buildings under construction. Case study in Bogotá, Colombia

What is it about?

This paper evaluates the financial benefits of the shorter construction times that can be obtained by applying the New Simplified Procedure (NSP) in multi-storey buildings. The reference building was a multi-storey residential reinforced concrete framework structure with one-way slabs located in Bogotá, Colombia. The study was divided into different phases consisting of the characterization of the components, a study of the different methods of determining load transmissions between slabs and shores and a review of the cost of renting shoring and formwork materials and labor costs for the building under study. After applying the procedure, a financial assessment was carried out on the execution times obtained in each of the operations studied. The analysis of the construction process of the building structure using the NSP showed that considerable savings can be achieved in construction times without any risk to the integrity of the structure

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Why is it important?

At the present time, building operations in Colombia related to the shoring and striking processes used in concrete frame structures are mainly based on the developer’s individual experience and little attention is given to technical analyses. This situation is mainly due to the general lack of accurate information on this type of building operation and it often gives rise to building times that are longer and, consequently, more expensive than necessary. This paper describes a study of different alternatives for construction processes for a concrete frame system with one-way slabs; its purpose is to define a viable construction process as regards building times and costs.

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