It provides the solution for a simply supported slab with two overhangs one on either side of the support for different loading conditions viz. Details name hollow block slab design pages 120 format pdf size 1. Fast process with elislab, no time is wasted for going back and forth between different programs and documents. Whether modeling anchors or modular supports, maintaining firestop systems, or managing assets, our modeling and bimtofield software enables faster time to value for your structural, energy and industry, and firestop projects. As a manufacturer of prefab floors flooroffice offers you the ability to speedily work through the entire. Pdf assessment of cost variation in solid and hollow. Design hollow block slab using sap2000 civil engineering.
This manual presents in detail design of hollow core slabs for gravity and lateral loads. The unit weight of reinforced concrete is assumed to be 24 knm3. Hollow block slab are a type of composite flooring. Two way slab design spreadsheet this spreadsheet performs an analysis and design of twoway spanning reinforced concrete slab. Course content this spreadsheet program provides for the design and analysis of posttensioned concrete oneway beam and slab systems and twoway flat plate slab systems. The third edition of the manual has added hollow core wall panels and. Rational design of hollow core planks for fire resistance. Ribbed slab hollow block slab hourdi block different sizes 4. All calculations are performed according to eurocode 2, in conjuction with national annexes. The third edition of the manual has added hollow core wall panels and is updated to aci 31811, pci 7th edition design. Hollow block slab design civil engineering community civilax. Design examples 84 the following style is used when referring to a section of aci 318 for which a change or insertion is proposed by the provisions. In the design of reinforcedconcrete buildings, solid and lightweight hollow block slabs.
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. Download your reinforcement strand calculation demo from the link below. Hollow block slab design civil engineering community. Saccoman, chairperson james beerbower ernest markle kevin boyle james markle jeffrey butler milo j. Concrete hollow blocks software free download concrete. Asdip concrete is a structural engineering software utilized by engineers for reinforced concrete design of members, such as biaxial columns, continuous beams, and outofplane bearing walls this structural concrete design software is based on the latest aci 318 and tms 402 provisions. This manual p rescribes the criteria for the design of concrete floor slabs on grade in buildings for heavy loads and is applicable to all elements responsible for military construction. Hollowcore slabs with castinplace concrete toppings. A complete revision of the diaphragm chapter includes the latest design information. Posttensioned concrete design spreadsheet program a pdh.
Furthermore, precast concrete hollow block slabs exhibit excellent structural integrity, improved sound and heat insulation, and allows for. As an example, in regard to mechanical resistance en 369 cl 4. Preconslab is a software tool to design and analyze prestressed or reinforced concrete flooring systems. The specified design strength of the concrete, is 25 mpa and the specified yield strength of the reinforcement, fy, is 400 mpa. Flat slab analysis and design designs beamless concrete slab floors flat slab or waffle slab in accordance with aci 318. Prepared for the pci hollow core slab producers committee john e. Planbar is the cad solution specifically for the precast concrete industry. This spreadsheet consists of many segments regarding rcc aspects as described below. Hollow concrete blocks have one or more hollow cores. Details are available in both adobe acrobat reader pdf and cad dxf format. Investigating the effect of solid and lightweight hollow block slabs on. Dxf files can be imported directly into many common cad programs. Mnl126 manual for the design of hollow core slabs free pdf. Each type of floor consists of number of reinforced concrete ribs.
Best concrete design excel spreadsheet download free. Hollowcore slab dwg detail for autocad designs cad. Learn more about solutions for your engineering and construction projects. Many structural designs reinforced concrete type slab. Enter your company name and other details in the title block on the slab design sheet only. Program for analysis and design of reinforced concrete and steel structures made up. Powered by the equivalent frame method of analysis and design per latest american aci 31814 and canadian csa a23.
Investigating the effect of solid and lightweight hollow block slabs. Flooroffice world leading software for the precast industry. Sketch on hollow pot slab plan slab dimensions hollow pot slab width, b 3. Planbar combines the advantages of threedimensional models and excellent drawing preparation. 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. The analysis and design follow the equivalent frame analysis method of the aci code, which considers a onebay wide strip of the floor system as a continuous frame.
They are basically floor formed over tbeams filled with filling material. Common depths of prestressed hollow core slabs range from 6 to 10 in. Edilus concrete allows you to design any type of infillblock floor slab. Pdf in the design of reinforcedconcrete buildings, solid and lightweight hollow block. The electrical slab boxes, which are the same size as the concrete slab blocks, allow for down lighters anywhere in the slab and the electrical conduits to be positioned correctly. In general, it is believed that the cost of lightweight hollow block slabs is higher than. In addition, the scope of this study is to design oneway ribbed slab and twoway. Twoway joist concrete slab floor waffle slab system. Design of one way hb slabs choosing of thickness 7. The abovegrade masonry walls of the singlestory ohio case study home were built with 8inch thick hollow core block.
Voids do not update when the width of the hollow core slab is modified. For design such this slab i mean detailed reinforcement can be in robot. Asdip concrete substantially simplifies timeconsuming calculations for. Twoway joist concrete slab floor waffle slab system analysis and design design the concrete floor slab system shown below for an intermediate floor with partition weight of 50 psf, and unfactored live load of 100 psf. Chapter eight design of oneway slabs 11 there are two main types of ribbed floors a hollow block floors and b moulded floors as shown in figure 8. Pci manual for the design of hollow core slabs second edition by donald r. This encon hollow core building system design manual has been designed to illustrate the many ways in which hollow core precast concrete can function as a multipurpose building system or as an integral component of a building system. Design and analyze prestressed or reinforced concrete. Design of slabtwo way excel sheet online civilforum.
The lateral loads are independently resisted by shear walls. This way, you can work depending on project and status, as required by your personal workflow. It suits for use at precast plants and design offices alike. Hollow core flooring software floorcad hollow core. Heavy loads in building s such as warehouses include moving load s, stationary live loads, and wall loads.
If you want to grow your business without complex overpriced software packages, contact us today. This intelligent software reduces the slab cost per unit area with seamless integration to every part of the production process. For general design philosophy and analysis of posttensioned concrete, the reader should refer to pdhonline course s127. Concrete structure design software edilus concrete acca. Additionally hollowcore slabs are checked against en1168, while tbeam systems are checked against en15037. Prestressed rib and block precast suspended slabs have a proven track record of over 40 years.
Cypecad analyses and designs stair slab reinforcements as isolated. This highly successful, innovative design offers versatility for apertures, irregular shapes and down lighters. How are the hollow block held in hollow block slab. In addition the thickness of the block material above its void should be not less than 20 mm nor less than onetenth of the dimension. Waleed abo elwafa mohamed, seismic capacity of rc hollow block slab bu loglqj 2. Two way slab design spreadsheet the engineering community. Hello everyone, im trying to model a concrete building, and it has hollow block slabs. Adobe acrobat reader is free and can be downloaded here. Flat slab analysis and design free version download for pc. Many structural designs reinforced concrete type slab system hollow block. Hollow core slabs are economical, have good fire resistance and sound insulation properties, and are capable of spanning long distances with relatively shallow depths. Analysis and design of reinforced concrete and steel. Owners, contractors, architects, and engineers will discover that hollow core building systems.
Concrete hollow blocks, free concrete hollow blocks software downloads, page 3. Files download best concrete design excel spreadsheet free. For use in cracked and noncracked concrete eta option 1, hollow core slabs, flooring blocks and ceramics threepieces expanding sleeve of maximum expansion provides optimal load and safety of. Hollow block and ribbed slabs are formed by placing. These cores reduce the total crosssectional area of the block by at least 25 percent. The hollow blocks are placed between these tbeams and act as the flooring. A wide variety of concrete hollow blocks molds with design. Safe is the ultimate tool for structural engineers designing concrete floor slabs, and foundation systems. 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. The details will be automatically copied to the other sheets. Hollow blocks have a minimum crushing strength of 3.
Effective depth d span ldbasic x modification factor for obtaining modification factor, the percentage of steel for slab can be assumed from 0. The abovegrade masonry walls of the twostory minnesota home used 6inch thick hollow core blocks with the addition of vertical steel reinforcement bars. Flooroffice, the complete and fully integrated software solution for hollowcore flooring and precast industries, supports all types of prefab floors. Create a hollow core type family revit products 2018.
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