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  Do you know Precast/prestressed hollowcore slabs can offers high durability, low cost and it can also increase speed of construction! Read more below.  
    What is precast/prestress constructions?  
  The concept of precast (also known as “prefabricated”) construction includes those buildings where the majority of structural components (i.e. Slabs, columns, beams, wall etc....) are standardized and produced in plants in a location away from the building, and then transported to the site for assembly. These components are manufactured by industrial methods based on mass production in order to build a large number of buildings in a short time at low cost.  
 What is prestress hollowcore slabs?  
A hollow core slab is a precast slab of prestressed concrete typically used in the construction of floors in multi-story apartment buildings. Prestressed hollow-cored concrete slabs made of high strength concrete are prefabricated concrete members with large hollow proportions. In practice they are interconnected after assembly by joint grouting compound. In comparison with conventional concrete members this type of concrete plates has a lot of economical advantages, especially in saving material, energy and in reducing weight of transportation. Outstanding features are quality control, schedule time & cost. Hollowcore slabs, like all precast prestressed concrete products, consist of two key components: Durable, high-performance concrete and high-tensile strength steel strands. The concrete is mixed under controlled factory conditions, typically to a strength of 5,000 pounds per square inch. The other component in Hollowcore plank is high-tensile strength steel strand, which achieves a rating of 270 ksi. This strand is cast into the concrete components and works with the concrete to create a highly durable material with superior load and spanning capabilities. Unlike other precast concrete products, Hollowcore plank includes large hollow cores that produce interior voids, running the length of the cast component. These hollow cores ensure the interior voids are consistent and precisely placed within allowed tolerances.  
 Benefits of Hollowcore Slabs:  
• First, they reduce the overall weight of the finished concrete pieces, making them easier to maneuver.
• Second, they reduce slab weight allowing higher live load capacity or longer spans.
• Third, they reduce the material cost, allowing the pieces to be produced with less concrete than solid-slab pieces.
• Finally, these air spaces provide both acoustical and thermal-energy breaks, providing greater user comfort.
 Design Application of Hollowcore Slabs:  
Hollowcore’s advantages play key roles in many design applications. Fire resistance, acoustic control, design flexibility, all-weather erection and economics are major concerns for developers and occupants of any type of housing or working environment i.e.
• Hotels
• Multifamily housing
• Nursing homes
• Student housing
• Low rise housing (Bungalows)
• School buildings
• Office and commercial buildings
 Precast India Inc.:  
Precast India is a sole representative of Ultra Span Technologies, Canada. Precast India is headed by young and dynamic professionals having gamut of experience of technical, Industrial, financial and management areas. A primary objective of Precast India is to promote the precast and hollow core technology developed by Ultra Span Technology and also creates awareness on usability and benefits of hollow core technologies in India.
 Ultra-Span Technologies Inc.:  
Ultra-Span Technologies Inc. is a world-wide leader in the manufacture of concrete extrusion machinery and ancillary equipment for the precast/prestressed concrete industry. The process and original patents of extruding concrete was invented by Ultra-Span employees over 30 years ago and since that time has continued to incorporate numerous design changes and patents. These continuous innovations provide increased profits and technological advantages for the concrete producer in servicing and supplying the construction industry with a superior product. Extensive experience in the precast/ prestressed concrete industry allows Ultra-Span to utilize its wealth of knowledge in assisting government and private sectors with technology transfer. The designing and building of a new production facility, expanding an existing facility or the design for the purpose fast tracking a construction project, Ultra-Span can provide this service while focusing on utilizing the local labour force. Ultra-Span Technologies Inc. is a privately owned company with corporate headquarters and manufacturing facilities located in Winnipeg, Manitoba, Canada. Highly export orientated, 85 % of total sales is supplied to the global marketplace.  
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