Flat slab analysis and design designs beamless concrete slab floors flat slab or waffle slab in accordance with aci 318. Sp slab for analysis, design, and investigation of elevated reinforced. Guide for design and construction of concrete parking lots. What is your favorite software for principal component. It analyses the stability of the wall based on the loads and resistances, and results in. Per pca slab thickness design for industrial concrete floors on grade figure 3, page 5 job name.
A new method for designing floor slabs on grade due to the difficulty of applying simplified design methods, amongst them being the portland cement association pca and wire reinforcement institute wri methods. This guide is not a standard nor a specification, and it is not intended to be included by reference in construction contract documents. Sum fatigue and erosion damage factors over all of the. Read 76 answers by scientists with 58 recommendations from their colleagues to the question asked by a. Due to the high concentrated aircraft gear loadings, the navy recently revised its hangar design criteria in ufc 421101 aircraft maintenance facilities to encourage the design methods reflected in ufc 326002 pavement design for airfields and pavement computer aided structural engineering pcase. Heavy loads in buildings such as warehouses include moving loads, stationary live loads, and wall loads. Ptislab can be used to design or analyze both posttensioned and conventionally reinforced slabsonground for single and multifamily residential and commercial foundations on expansive and. Subgrade soil types and approximate subgrade modulus k values. Flat slab analysis and design free version download for pc. Pca software sp slab for analysis, design, and investigation of elevated reinforced concrete beams, joist, oneway, twoway and slab band systems. A wall load, a column or point load and a uniform pressure. Can someone suggest a good free software for principal. Pcastructurepoint concrete design software programs for analysis, design. Principal component analysis pca statistical software.
Appendix 1design examples using portland cement association method. Posttensioning is very popular for slabongrade construction in some areas of the country. The subbase, while not mandatory, can provide added benefits to the construction and performance of the slab. Soilstructure slab on grade software simplifies the calculation of a uniform concrete slab subjected to three loads.
Pca principal component analysis software for microsoft. Principal component analysis pca is a powerful and popular multivariate analysis method that lets you investigate multidimensional datasets with quantitative variables. Download pca software, link download pca software full beam, slabs, mats, frame, column, walls, include key, manuals and examples included. The construction and design of concrete slabs on grade. Also, design charts from the portland cement association pca are included to provide an additional method for determiningchecking required slab thickness for flexure. In addition to an updated thickness design procedure, the text includes a discussion of concrete drying, shrinkage, joint stability, floor flatness and levelness, moisture testing and floor coverings, concrete durability, floor maintenance and repair, special floor types including white concrete floors, and a glossary of slabonground terms. Sp beam for analysis, design, and investigation of reinforced concrete beams, joist and oneway slab systems. Concrete slab on grade analysis the engineering community. Slightly more than half of all lowrise buildings in the united states are constructed from concrete. Pca the portland cement association americas cement. Concrete slab design software free download concrete. It is widely used in biostatistics, marketing, sociology, and many other fields.
Slab thickness design for industrial concrete floors on grade is195. The subgrade is the ground on which the floor is built. Sp slab for analysis, design, and investigation of elevated reinforced concrete beams, joist, oneway, twoway and slab band systems. Calculating the capacity of a slab on grade is dependent on arrangement of stationary, continuous wall linetype load and live loads distribution uniformly. The studied parameters were the load position in relation to slab edges, slab proportions, the reinforcement content, the method of reinforcement arrangement, and modulus of subgrade reaction. A new method for designing floor slabs on grade due to the. Theoretical concepts, practical applications, basis of design, and design procedures for heavy.
Concrete strength, f c 4000 psi instructions for use of figure 3. Standard requirements for design and analysis of shallow posttensioned concrete foundations on expansive soils. Featuring integration with spcolumn via export to cti functionality in v8. What is a good resource for design a slab on grade subjected to a column. Download geotechnical engineering software spmats 8. The structurally reinforced slabongrade, engineeringdatareportno.
Principal component analysis pca and factor analysis fa to reduce dimensionality. The ability to analyze the capacity of a slab on grade subjected to continuous wall linetype load as well as stationary, uniformly distributed live loads is also provided. Good resource for slabongrade design structural engineering. Concrete floors on ground portland cement association. Weldedwirefadric reinforcingbars introduction the phrase slabongrade, as commonly used in practice, covers a number of practical slab. Also, design charts from the portland cement association pca are included to.
Parking lots have most loads imposed on interior slabs sur. 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. The pca method determines slab thickness based on the modulus of rupture of the concrete without counting on any flexural strength improvement from temperature and shrinkage reinforcement. This report covers the design of slabs on grade for loads caused by material stored directly on the slab or on storage racks, as well as static and dynamic loads associated with handling equipment and vehicles.
A parametric study was conducted to investigate the theoretical behaviour of industrial slab on grade. The subbase is an optional layer located on top of the subgrade and beneath the slab bottom see figure 1. Design of slabsongrade, refers to this as a type b slab. Soilstructure slab on grade software has the following unique capabilities. Develop and report on criteria for design of slabs on grade, except highway and airport pavements 1. Florida international university, miami fl fall 2002. Streses and stains in rigid pavements lecture notes 3 by charles nunoo, ph. Pca software beam, slabs, mats, frame, column, walls. Grdslab spreadsheet program helps in grade analysis of. Stepbystep procedures, sample solutions, and commentary ringo, boyd c. Consequently, aci 360 was formed with this mission. What are some good resourcesguides for designing a slabongrade. Design aids are instrumental in constructing concrete buildings. For slab subjected to concentrated post loading for k 100 pci per pca slab thickness design for industrial concrete floors on grade figure 7b, page 10.
Hangar pavement design wbdg whole building design guide. Also, design charts from the portland cement association pca are included to provide an additional method for determiningchecking required. Aec 3d culvertsslab by aec logic private limited, monte carlo pca for parallel analysis by marley watkins, spslab by structurepoint llc etc. A supplementary method for examining and defining the necessary slab thickness for flexure is used along with the designed chart provided by portland cement association pca. You can perform reinforcement designs, long term deflections, beam designs, reactions, automatic two way action, effective moment of inertia, and punching shear. Design of slabs on grade aci committee was specifically charged to cover design. Pca slab thickness design for industrial concrete floors on grade. Rationally, hangar pavement should be treated in the same manner as apron pavement. Concrete slab on grade analysis calculator for post or wheel. Concrete slab on grade analysis calculator for post or. Concrete slab on grade thickness analysis for slab.
If you like gui based soft, then the unscrambler, simcap or solo offer full featured pca and many other projection methods for data exploring and analysis. Portland cement association method farny, 2001, that can be used for a variety of applications but not all. The pca and wri slab on grade design methods for industrial floors led to a design for concrete fatigue, even though 2. Other loads, such as loads on the roof transferred through dual purpose rack systems are also covered. The wall may retain soil or other granular material. Appendix 2slab thickness design by wire reinforcement institute method. Slabs is a program that can be used by structural engineers to perform a static analysis and design of reinforced concrete slab systems of any shape, including suspended slabs and slabsonground. Stepbystep procedures, sample solutions, and commentary. Slab on grade design guidance structural engineering general.
Slab thickness, t area of steel provided, as pca note. Analysis of concrete slabs on grade civil engineering. Posttensioned slabongrade foundation 3d fem design software adaptsog product overview adaptsog is a complete threedimensional 3d finite element fem analysis and design t. Grdslab concrete slab on grade analysis spreadsheet cesdb. Powered by a sophisticated fem solver increasing capacity and substantially speeding up solution for large and complex models, spmats v8. The references given above provide design methods pca, wri, coe etc, dealing with different types of sog e. Designers select concrete for one, two, and threestory stores, restaurants, schools, hospitals, commercial warehouses, terminals, and industrial buildings because of its. Technical notes and literature for structural concrete.
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