Abstract
Time and cost are important factors affecting the successful completion of the construction building project. This study analyses and examines the cost and time comparison of precast and cast-in-situ slabs of a particular building. Taking into account that slab is one of the important structural members, this study will take the hollow core slab in particular which can define as precast prestressed concrete elements contain an empty void inside of it which mostly used for floor, roof slabs and wall panels. The results demonstrate that the precast slab construction time is extremely faster in comparison with the cast-in-situ slab as it took around 31 of working days and 43 days in total after considering the holidays while the precast slab took around 9 working days only and 13 days in total. The results also show that the cast-in-situ slab is inferior in both cost and time duration. As cast-in-situ cost is 3.76 times higher than the precast slab, and the time duration is 3.31 times longer.
Highlights
Nowadays, concrete is the most wildly used building materials over the world to the limit that it represents the cornerstone of our modern building civilization
Taking into account that slab is the most important structural element; this study will take the hollow core slab in particular which can define as precast prestressed concrete elements contain an empty void inside of it which mostly used for floor, roof slabs and wall panels
The study consists of quantity surveying for the solid slabs of the building in addition to cost estimation for its components by taking into consideration the local pricing in Cyprus, and the building's slabs will be designed using ETABS software
Summary
Concrete is the most wildly used building materials over the world to the limit that it represents the cornerstone of our modern building civilization. Concrete as a building material possess the required strength, durability, and a lot of additional features which is much superior to other materials, besides its cheap cost due to its basic component materials which include sand, gravel, and water that ranges between 15-30% of its initial mass. This study analyses and examines the cost and time comparison of precast and castin-situ slabs of a particular building. Taking into account that slab is the most important structural element; this study will take the hollow core slab in particular which can define as precast prestressed concrete elements contain an empty void inside of it which mostly used for floor, roof slabs and wall panels. The successful completion of the project within the minimum cost and estimated time duration is the main goal for all contractors to gain more revenue and reputation from the project
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