The construction and design of concrete slabs on grade. Design of the composite flooring slab with profiled sheets t153 ruukki for a residential building, 35 pages, 1 appendix. Design of slabs onground aci 360r06 by american concrete institute slab thickness design for industrial concrete floors on grade is195. Packard portland cement association, 1976 concrete floor slabs on grade subjected to heavy loads army technical manual tm 5809. A2slab thickness design by wri method a3design examples using coe charts. The design procedure includes determining slab thickness based on moving live loads and then checking adequacy of slab thickness for. Minimum thickness of concrete slab, beam, column, foundation. Refer to aci 223 for procedures for the design and construction of shrinkagecompensating concrete slabsonground. Pdf slab thickness design for industrial concrete floors. Industrial floor concrete has been designed to conform to guidelines in model specification for industrial floors contained in sabs. If the contractor knows what he or she is doing and knows what the customer wants, then the lack of specifications is probably a good thing. We have a initial thickness design of the concrete slab following the methods outlined in pca publication slab thickness design for industrial concrete floors on grade as well as wri charts as used in ringoandersons book designing floor slabs on grade. Construction tn54 published in 1985 industrial floors and pavements. Introduction concrete slabs on grade are a very common type of concrete construction.
Concrete slabsongrade subject to concentrated loads. The scope of this article is limited to the design of industrial concrete floor. The report addresses the planning, design, and detailing of the slabs. Reinforced concrete slab design and detailing guide is456. Concrete slab on grade thickness analysis for slab subjected.
Choosing design methods for industrial floor slabs concrete. Design of industrial floors lund university publications. Posttensioning is an active rather than passive form of reinforcing. Concrete floor slabs on grade subjected to heavy loads army technical manual tm 580912, air force manual afm 883, chapter 15 1987 2. Steel reinforced slabs, typically between 100 and 500 mm thick, are most often used to construct floors and ceilings, while thinner mud slabs may be used for exterior paving see below. Packard portland cement association, 1976 concrete slabs 15 pages.
The basics of industrial concrete flooring design specification and construction. The design procedure includes determini ng slab thickness based on moving live loads and then checking adequacy of slab thickness for stationary live load. Thickness design of a groundsupported floor slab 92 bl introduction 92 b2 design data 92. The scope of this publication is to provide guidance on the design and construction aspects of using precast floors in steel framed buildings which are not covered by other design guides and where there is more recent guidance.
Pdf this article presents a methodology for designing slabs on grade for industrial floors. Technical report 34, 3rd edition, the concrete society, camberley, 2003. 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. Floors and flooring sans10400building regulations south africa. Design of slabsonground aci 360r06 by american concrete institute slab thickness design for industrial concrete floors on grade is195. Slab thickness design for industrial concrete floors on grade. Minimum thickness of concrete slab, beam, column, foundation and other structural members is selected to meet the design requirements as per standard codes. Both slab on grade and structural slabs can be created using this formwork. Also, to jump to a section from a regular page, roll your cursor over the right side margin, to access the tabs as shown.
Design of slabsonground reported by aci committee 360 aci 360r06 this document presents information on the design of slabsonground, primarily industrial floors. Background information on design theories is followed. The thickness of the slab should be at least 75 mm. Floor classifications table 1 describes the nine classes of concrete floors according to aci 302, guide to concrete floor and slab construction. Fabricreinforced concrete ground slabs and alasdair n beal, thomasons table 1 required slab thickness mm for various loadings. Choosing design methods for industrial floor slabs by boyd c. The design of suspended floors should conform to requirements of aci 318 and aci 421. Industrial floor designresidential concrete slabs often have few design requirements to get between the contractor and completion of the job.
Reinforced concrete design 1 design of slab examples. Forklifts 19 7 typical shrinkage crack due to large size panel 23. Common mistakes in concrete floor slab construction can be avoided with proper base preparation, mix design, placement, finishing, and curing. Design of slab examples and tutorials by sharifah maszura syed mohsin example 2. This report covers the design of slabs on grade for loads caused by material stored directly on the slab or on. Guide to design of slabsonground reported by aci committee 360 aci 360r10 this guide presents information on the design of slabsonground, primarily industrial floors. Industrial floor concrete is lafarges specialised concrete specifically designed to provide maximum performance for the demanding requirement of modern, costeffective industrial applications. Fibre reinforced concrete frc flooring for heavyduty floors. The results of the study show that the slab can be successfully used for residential buildings as it meets all the requirements and demands fewer materials. Since slab design thickness is not highly sensitive computedto the modulus of subgrade reaction. Concrete slab thickness recommended thickness of concrete slabs. The minimal thickness of the concrete layer above the profiled sheet should be. Concrete slab on grade analysis the engineering community.
Elements of engineering a damn good industrial floor part 2 posted september 30, 2015 by amy manghelli. Grdslab concrete slab on grade analysis spreadsheet. Pdf a new method for designing floor slabs on grade due to. The design procedure separately incl udes determining thickness of slab under wall load. Concrete floor slabs concrete construction magazine. Minimum thickness of concrete structural elements based on aci 31814, irc 2009, is 456 2000, and ubc 1997 is presented. This guide presents information on the design of slabsonground, primarily industrial floors.
Re i n f o rcement in type b slabs must be stiff enough to be properly placed. Founded in 1904 and headquartered in farmington hills, michigan, usa, the american concrete institute is a leading authority and resource worldwide for the development, dissemination, and adoption of its consensusbased standards, technical resources, educational programs, and proven expertise for individuals and organizations involved in concrete design. Besides these advantages, there are significant cost savings to the builder and owner by using the cupolex flooring formwork in the design of aerated concrete slabs for residential, industrial, commercial. Lafarge south africa 35 westfield road longmeadow business estate ext 11, edenvale, 1609. Minimum slab thickness of rc slab to prevent undesirable. The final slab design has d 5, a punching shear perimeter of 1475mm and a shear capacity of. It addresses the planning, design, and detailing of slabs. Slab thickness design for industrial concrete floors on.
Steelreinforced slabs, typically between 100 and 500 mm thick, are most often used to construct floors and ceilings, while thinner mud slabs may be used for exterior paving see below. Tools and basic information for engineering and design of technical applications. This work is based on structural design experience of the authors in steel fibre reinforced concrete floor slab for industrial projects and in particular the project recently completed for a food and beverage industry. Per pca slab thickness design for industrial concrete floors on grade figure 3, page 5 job name. Concrete floor slabs on grade are subjected to a varie ty of loads and loading conditions. Packard portland cement association, 1976 concrete floor slabs on grade subjected to heavy loads army technical manual tm 580912, air force manual afm 883, chapter 15 1987. Concrete industrial ground floors a guide to design and construction report of a concrete society. Slab thickness design for industrial concrete floors on grade portland cement association, robert g. Commercial concrete floors design specifications the. The report addresses the planning, design, and detailing of slabs.
Concrete slab on grade thickness analysis for slab. Industrial floors must have strength and endurance to resist tensile, compressive and bending forces, including impact and abrasion. Industrial provided funding for p342 and p344 and corus construction centre for p287. It is important to note that this approach assumes an unreinforced slab for structural purposes steel. Aci 360r92 by american concrete institute from aci manual of concrete practice, 1999 4. The construction and design of concrete slabs on grade d. Concrete strength, f c 4000 psi instructions for use of figure 3. Quality floor construction includes good subgrade compaction, even thickness slabs, lowslump concrete, straight bulkhead lines, and control cuts spaced 24 to 30 times the slab thickness. Tm 580912 concrete floor slabs on grade subjected to. Specifiers guide to interior concrete floors concrete floor contractors association of canada b 2014 contents x note. Pdf a new method for designing floor slabs on grade due. Slab thickness design for industrial concrete floors on grade concrete information. Mar, 2019 slab thickness design for industrial concrete floors on grade is195. It has been prepared to assist engineers, specifiers and building contractors by providing an outline of the process of design and construction and the major factors in meeting design performance.
Background information on design theories is followed by discussion. Large concrete floors for commercial and industrial buildings must be designed and constructed. Industrial flooring experts know the importance of understanding typical design requirements laid out in the contract documents of a job. Institutes publication concrete industrial floors on the ground. Consider a 6inch thick unreinforced slab made of 4000 psi concrete. Guide to industrial floors and pavements this guide covers the design, construction and specification of concrete industrial floors and pavements. These specifications say that a concrete slab must have a compressive strength of not less than 10 mpa at 28 days, or be mixed in the proportions by volume of one part cement, four parts sand and five parts coarse aggregate which is usually crushed stone. Open storage areas 18 6 design curves for concrete slabs. Continuous one way slab figure 1 shows a clear area of 12 m x 8. Asce, secb course content slab on grades construction. Floors and flooring sans10400building regulations south. Floor slabs can range from a simple residential basement slab to a heavyduty industrial floor. Concrete society report tr34 concrete industrial ground floors third edition 2003 important errata notification would you please amend your copy of tr34 to correct the following. Such slabs on grade are commonly designed using slab thickness design methods such as the portland cement association pca method, the wire reinforcement institute.
The slab is supported on beams of size 225 x 500 mm spaced at 4. Reinforced concrete slab design and detailing guidelines for depth of slab, loads on slab, reinforcement guide for oneway and twoway slabs as per is 456. A concrete slab is a common structural element of modern buildings, consisting of a flat, horizontal surface made of cast concrete. Precast concrete floors in steel framed buildings a g j way meng, ceng. Slab thickness design for industrial concrete floors on grade is195. Design of heavy duty concrete floor slabs on grade. Pdf a new method for designing floor slabs on grade due to the. The maximum size aggregate should be a nominal 37,5mm concrete. Pdf slab thickness design for industrial concrete floors on. Slab thickness design for industrial concrete floors on grade free download as pdf file. Following are the rcc slab design and detailing guidelines. A2 slab thickness design by wri method a3 design examples using coe charts a4 slab design using posttensioning a5shrinkagecompensatingconcreteexamples chapter lintroduction l.
The advantages of posttensioning for industrial floors are. High wear resistance good compressive and flexural strength. Design of slabs onground reported by aci committee 360 aci 360r06 this document presents information on the design of slabs onground, primarily industrial floors. Fibre reinforced concrete frc flooring for heavyduty floors floors are given to provide a surface for the production and peoples activities. Concrete slab on grade thickness analysis for slab subjected to single wheel loading from vehicles with pneumatic tires per pca slab thickness design for industrial concrete floors on grade figure 3, page 5 job name. Slab thickness design for industrial concrete floors on grade concrete information packard, robert g on. Concrete industrial floor and pavement design t34 published in 1985 industrial floors and pavements. 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. Mohammad rakibul islam khan1, zafrul hakim khan2,mohammad fahim raiyan3and khan mahmud amanat4.
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