The voids in each slab usually have a diameter that is equal to approximately 23 to 34 of the slab section, while the thickness of each plank is dependent on the ultimate length requirement. The three luxury townhouses were built by gaia construction, and designed, supplied and erected by hollow core concrete. Shear capacity of hollow core slabs on flexible supports. If the area in which you are planning to construct a building is in a lowseismic zones and you want to have a precast concrete construction to ensure fast handingover. This encon hollowcore building system design manual. We also do precast columns, beams, and wall panels.
The use of precast concrete hollowcore flooring is a highly cost effective solution that fits easily into any structural system such as steel or concrete frame or indeed masonry construction. The stresses in a hollowcore slab floor depend on the way the floor is constructed. Keywords hollow core slab, prestress, shear, test, resistance, concrete, precast, structure, design, eurocode abstract eurocode 2 presents a design method for the shear resistance, which according to harmonized standard en 1168 is to be used for the web shear failure of prestressed hollow core slabs. Finish options include birch, red oak, and tropical hardwood. It has been successfully applied to hollowcore slab floors. Hollow core concrete slab is a versatile precast element. Setting hollowcore slabs on bearing walls forms the necessary fire separation and the perfect noise barrier.
The heart of this home is the stunning modren kitchen with more than enou gh cupboard space and a built in gas stove and oven. Prestressed hollow core slabs pr es tr essed hollow cor e slab s. Precast slab in south africa gumtree classifieds in. It offers 3 very spacious bedrooms,the main bedroom has so much room with its own unique features and all the rooms have ample bic. Our prestressed hollowcore slabs, also called hollow core planks, concrete planks or voided slabs, are available in a variety of lengths and thicknesses. It helps providing strong and consistency to your construction project. Download your reinforcement strand calculation demo from the link below.
In the beginning of construction the slab joints are not filled and the slabs are mainly loaded by selfweight. Hollowcore provides superior moisture control and protection from mold development and water. Hollow core floors are used due to their lower cost and quick erection time. All books are in clear copy here, and all files are secure so dont worry about it. Hollowcore slab benefits of using hollowcore floor slabs.
Mnl126 manual for the design of hollow core slabs free pdf. Quality of hollowcore slabs are much higher than conventional methods just. Read online pci manual for the design of hollow core slabs book pdf free download link book now. The flexural behavior of this type of slabs have not been investigated in detail in the past. Hollow core slab stock photos download 414 royalty free. As an example, in regard to mechanical resistance en 369 cl 4. A complete revision of the diaphragm chapter includes the latest design information.
Hollow core slabs provide considerable benefits to builders and house owners. Pci 1985, manual for quality control for plants and production of precast and prestressed. Tel 37 400 100 2 gripping the slab in all width fig. Pdf design analysis of prestressed hollow core slabs on. A complete revision of the diaphragm chapter includes the latest design. Download pci manual for the design of hollow core slabs book pdf free download link or read online here in pdf. Download 414 hollow core slab stock photos for free or amazingly low rates. Hollow core slabs are sometimes also termed as voided slabs or concrete planks. One end of the delta beam was free to move in beams direction. However, there are situations which are unique to hollow core slabs either. Hollow core concrete slabs have many advantages over the conventional solid concrete slabs.
Hollowcore is manufactured using long line extruders which form continuous cores running through the slabs. Column free interior space provides design freedom and lets you maximize the use of your space. Adobe acrobat reader is free and can be downloaded here. The prestressing force is already present and one or more trimmers carry. Slabs can be used for compound walls by sliding in the panels horizontally in msconcrete columns. Pdf analysis of hollowcore slab floors researchgate. Hollowcore slabs are available in a range of seven depths. Doclive free unlimited document files search and download. Several precast concrete manufacturers have chosen to conduct shear tests on hollowcore units with depths greater than twelve inches, and this paper presents. Item detail mnl126 manual for the design of hollow. Fire resistance, concrete, hollow core slabs, shear, anchorage. Resistance of prestressed hollow core slabs against web. They are the ideal choice for constructing floors in individual homes, both at ground level and upper level.
It also demonstrates the long spans achievable with hollow core slabs, perfect for an open plan office area. Setting hollowcore slabs on bearing walls forms the necessary fire. Pci manual for the design of hollow core slabs second edition by donald r. Bearing on structural steel beams, two levels of slabs were installed simultaneously. Fast process with elislab, no time is wasted for going back and forth between different programs and documents. Saccoman, chairperson james beerbower ernest markle kevin boyle james markle jeffrey butler milo j. Hollowcore slabs are prestressed floor elements with voids. In order to view pdf documents, you must have adobe acrobat reader installed. Teemage hollowcore slabs are precast in the controlled environment of the factory away from the building site. Pci manual for the design of hollow core slabs pdf. Precast concrete products hollow core slabs pdf download file size 1. The units themselves are manufactured at a width of 1200mm and depths of 150, 200, 250, and 300mm.
Sold as slab only does not include frame or hinges. Hollowcore slabs are precast prestressed concrete elements extensively used for floor, roof slabs and wall panels. The primary purpose of these cores is to decrease by 40% to 50% the weight of the slabs, which leads to significant savings in the rest of the members of the building construction. However i am not finding any good detailed design guides to do thisnot much about hollow core slabs in the ec. Hollow core concretes precast walls, solid slabs and hollow core planks were used on the project, the use of polished concrete exterior panels gave a low maintenance finish. Pdf simple method for modelling hollowcore concrete slabs under. This office building is a prime example of how using hollow core slabs can accelerate the building process. Precast concrete floor support and diaphragm action core. Hollowcore slabs conform to the current edition of csa and cpci related standards. Hollow core slabs are prestressed concrete elements that have a constant cross section. The slab has been especially popular in countries where the emphasis of home construction has been on precast concrete, including northern europe and former socialist countries of. They are manufactured using high tensile strength prestressed strands or. All, my company is in the process of switching from a 2d autocad 20 mech. The designers have greater flexibility because of the varying thickness 150 400 mm available and larger spans up to 18 meters can be obtained at costs which are lower than conventional flooring systems.
During unloading and hoisting, it shall be necessary to use safety chains that are at the grippers to. Recently, a halfpc slab or composite slab was developed to replace existing construction methods, and to improve the performance of a pc slab system a halfpc slab system hpcss is defined as a slab system that is. Background level the ambient sound pressure level existing in a space. This corner home has so much to offer, it is in such a quiet area of vredenburg. Pdf shear strength of hollowcore slabs semantic scholar. It suits for use at precast plants and design offices alike. To hoist short slabs up to 3 m length, only one gripper shall be sufficient. Pci manual for the design of hollow core slabs and walls. We are a precast firm that makes hollow core in 8, 10. Jeldwen flush unfinished flush hollow core veneer slab. Pci manual for the design of hollow core slabs and walls, 3rd edition free pdf download mnl12615 this manual presents in detail design of hollow core slabs for. A hollow core slab, also known as a voided slab, hollow core plank or simply a concrete plank is a precast slab of prestressed concrete typically used in the construction of floors in multistory apartment buildings.
Unfinished wood veneer ready to be finished in a color of your choice. The slab serves as a ceiling for the lower level and creates a columnfree area that can be used for storage or as functional living space. Pcimanual for the design of hollow core slabs second edition bydonald r. I am designing hollow core slabs with and without toppings according to the eurocodes. Hollow core slabs are typically used in construction of floors or roof in a multistory building. Under covered braai area will be extended with approved. The hollow core planks shall be lifted and supported during manufacturing, stockpiling, transporting, and erection operations only at the lifting or supporting point, or both, as shown on the shop drawings and with approved lifting.
This manual presents in detail design of hollow core slabs for gravity and lateral loads. Pci manual for the design of hollow core slabs and walls, 3rd edition free pdf download mnl12615 this manual presents in detail design of hollow core slabs for gravity and lateral loads. Hollow core offers an affordable option for areas where sound control is less important. Cpac hollow core slab is applicable for ordinary buildings, large buildings, and factories. In practice, a perfect stress free simple support will never be constructed. The product is made from no slump concrete with modern technology. Saccoman, chairpersonjames beerbower ernest marklekevin boyle james marklejeffrey butler milo j. Shear and anchorage behaviour of fire exposed hollow core slabs. Pdf precast prestressed hollow core concrete slabs have been widely used in recent years.