Troughed floors are ribbed in only one direction, whereas coffered or waffle floors are ribbed in two directions. Reliable information about the coronavirus covid19 is available from the world health organization current situation, international travel. Design of heavy duty concrete floor slabs on grade. Design is defined as the decisionmaking process of planning, sizing, detailing, and developing specifications preceding construction of slabs on ground. In the uk, jointed floors are usually reinforced with steel mesh fabric. Learn to design, specify, and build quality concrete floors. Also, concrete can be stamped with rubber stencils to give it texture. This guide describes how to produce highquality concrete slabs on ground and suspended floors for various classes of service. Design and construction of concrete floors outlines the key principles needed for the production of a good floor which can be relied on to not only support and restrain other parts of the building, but also to meet the needs of the user. Guide to design of slabs on ground reported by aci committee 360 aci 360r10 this guide presents information on the design of slabs on ground, primarily industrial floors. Apr 09, 2020 no type of flooring material is truly maintenance free, and the same holds true for decorative concrete. The design procedure includes determining slab thickness based on moving live loads and then checking adequacy of slab thickness for stationary live load.
Concrete floors are relatively easy to care for when compared with other types of. It addresses the planning, design, and detailing of slabs. Vibrating concrete during concrete discharge, wet concrete shall be vibrated with a poker vibrator especially at edges or beam area. Cocnrete floors on ground subgrade and subbases moisture control and vapor retarders concrete for floors floor thickness desing joints, reinforcement, and crack control concrete placement and. Concrete floor slabs on grade are subjected to a variety of loads and loading conditions. Sub structures and super structures 2 super structure. A solid ground floor consists of a layer of concrete, which in the case of a domestic building will be the surface layer brought up to ground floor level with hardcore filling under it. The minimum thickness for a concrete slabongrade is 312 inches except where expansive soil is present. Concrete slabonground floors shall be designed and constructed in accordance with the provisions of this section or aci 332. The construction sequence includes placement of either alternate lanes or adjacent lanes see figure 8. Refer to the latest edition of aci 224r for a detailed discussion of cracking in reinforced and nonreinforced concrete slabs. Design and construction of concrete floors, second edition.
Pdf on jun 1, 1998, s a austin and others published behaviour and design of concrete industrial ground floor slabs find, read and cite all the research. Concrete floors are relatively easy to care for when compared with other types of flooring, especially carpet, but they do require regular attention. 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. Pdf concrete floors on ground second edition cristhian. Concrete slabsonground american concrete institute.
The specified compressive strength of concrete shall be as set forth in section r402. Pdf behaviour and design of concrete industrial ground. Ground water sources and when the floor slab is in contact with saturated ground, or if. The vibrator shall be inserted vertically into the concrete. Information on other aspects, su ch as materials, construction methods, placement of concrete, and finishing techniques, is. Concrete slabonground has a natural advantage in heat storage capacity, resulting from a combination of the nature of the material and the volume of concrete required. A sweating concrete floor can be a real nuisance that can create a slippery surface and make the floor damp. A concrete slabongrade can be used as the base of a firstfloor level or of a basement level. Ground floors there are two main types of ground floors. 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 slab on ground terms. Concrete slab on ground floors shall be designed and constructed in accordance with the provisions of this section or aci 332. Suspended timber ground floor construction studies q1.
Background information on design theories is followed by discussion. Concrete floors on ground 2001 edition open library. Scribd is the worlds largest social reading and publishing site. No type of flooring material is truly maintenance free, and the same holds true for decorative concrete. Hardcore blinding dp membrane site concrete insulation a floor finish 3. Ribbed floors have greater span and load potential per unit weight than flat slab construction. Portland cement institute, 1993 floors, concrete 155 pages. Ribbed floors have greater span and load potential per unit weight than flat slab. Damping factors suggested in the same reference are listed in table 1.
Concrete industrial ground floors a guide to their design and construction 8, which is the main guidance document available to engineers for the design of industrial ground floor slabs in. Cfca trade contractors offer complete concrete floor solutions to meet. Method of statement construction of flat concrete floor. Curling is the distortion of a slab into a curved shape by upward or downward bending of the edges. How to clean concrete floors best cleaners for cement. Advantages and disadvantages of each of these slab designs are provided, including the ability of some slab designs to minimize cracking and curling more than others.
Design and construction of concrete floors outlines the key principles needed for the production of a good floor which can be relied on to not only support and restrain other parts of the building, but also. Any ed material included in this ufc is identified at its. Cocnrete floors on ground subgrade and subbases moisture control and vapor retarders concrete for floors floor thickness desing joints, reinforcement, and crack control concrete placement and finishing toppings and finishes floor coverings and drying of concrete problems, maintenance, and repair special floors. Floors types of floors methods of construction of floor. Concrete industrial floors on the ground published by portland cement institute, midrand, 1993 and reprinted by the cement and concrete institute, 1998,2000, 2006, 2009 please take. Dyes added as the wet concrete is being mixed produces concrete in a huge range of earthy colors. Heavy loads in buildings such as warehouses include moving loads, stationary live loads, and wall loads. Bcl industrial concrete floors installer of concrete. The occurrence is primarily due to differences in moisture andor temperature between the top and bottom surfaces of a concrete slab. Surface treatments such as acid stains, concrete stains and paint made for concrete floors turn plain concrete into beautiful, oneofakind finishes. Lay remainder of copper strap flat on the subfloor. How to ground an esd floor learning center staticworx.
Fold copper at a 90degree angle at the point where the wall meets the floor. Refer to aci 223 for procedures for the design and construction of shrinkage compensating concrete slabsonground. For floor slabs on grade, concrete is typically placed in wide lanes 50 to 150 feet wide. The construction and design of concrete slabs on grade.
Pca concrete floors on grade free download as pdf file. Floors shall be a minimum 3 1 2 inches 89 mm thick for expansive soils. Both the construction joints and the sawn joints allow for concrete shrinkage. The design procedure separately includes determining thickness of slab under wall load. Numerous and frequentlyupdated resource results are available from this search. Ground water sources and when the floor slab is in contact with saturated ground, or if drainage is poor.
Design and construction of concrete floors sciencedirect. Integration of actions over design strips based on these load paths is shown to be a fundamental step in the interpretation. Concrete floors on ground portland cement association. Farny, 2001, portland cement association edition, in english 3rd ed. Home books concrete industrial floors on the ground published by portland cement institute, midrand, 1993 and reprinted by the cement and concrete institute, 1998,2000, 2006, 2009 please take note that we have implemented a cashless policy to create a safer environment for our customers. Design aids are instrumental in constructing concrete buildings. Pdf behaviour and design of concrete industrial ground floor. Concrete floors are completely customizable and provide a great alternative to traditional flooring such as linoleum, carpet, wood, tile, stone or marble. Guide to design of slabsonground reported by aci committee 360 aci 360r10 this guide presents information on the design of slabsonground, primarily industrial floors.
The concrete centre hospital floor vibration study comparison of possible hospital floor structures with respect to nhs vibration criteria j. Cip 19 curling of concrete slabs nrmca expanding the. Concrete slab on ground has a natural advantage in heat storage capacity, resulting from a combination of the nature of the material and the volume of concrete required. Our teams are equipped with the specialist knowledge and plant necessary to achieve the highest standards across expansive areas. 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. Concrete ground floors consist of the following components, in order. The design of slabsonground should conform to the recommendations of aci 360r. Oclcs webjunction has pulled together information and resources to assist library staff as they consider how to handle coronavirus. Concrete sweating phenomenon, causes and prevention. Concrete sweating is the phenomena of accumulation of water droplets on the surface of concrete due to the difference in temperature of the outer environment and concrete. Designers select concrete for one, two, and threestory stores, restaurants, schools, hospitals, commercial warehouses, terminals, and industrial buildings because of its.
If alternate lanes are chosen, side forms are set on both sides of the lane. Theoretical concepts, practical applications, basis of design, and design procedures for heavy. Table 1 recommended damping factors for varioius occupancies occupancy damping factor. Surface treatments such as acid stains, concrete stains and paint made for concrete floors turn plain. How much maintenance your floor will need largely depends on the amount of traffic it receives.
All concrete to be discharged into the pouring area shall follow good concrete placing method. Various factors affecting slab thickness and other design elements such as joints and subgrade considerations need attention. Slightly more than half of all lowrise buildings in the united states are constructed from concrete. This barcode number lets you verify that youre getting exactly the right version or edition of a book. Sum fatigue and erosion damage factors over all of the. Heavy loads in buildings such as warehouses include moving loads, stationary. Vibrating concrete during concrete discharge, wet concrete shall be vibrated with a poker vibrator.
Bcl floors was founded in january 2014 and our industrial flooring division was developed to specialise in low tolerance high spec industrial concrete flooring. Avoid using curing compounds on floors where coverings or coatings will be installed. When used in passive solar design, the thermal mass makes a significant the ground floor of roughly ninety per cent of australian homes is of concrete slab on ground construction. Ground supported jointless floors are more costly than jointed floors of the same thickness. Design is defined as the decisionmaking process of planning, sizing, detailing, and developing specifications preceding construction of slabsonground. Suspended floors are normally made up of 2 materials, either timber joists or a concrete beam system. Floors shall be a minimum 3 1 2 inches 89 mm thick for expansive soils, see section r403.
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