Damping factors suggested in the same reference are listed in table 1. Designers select concrete for one, two, and threestory stores, restaurants, schools, hospitals, commercial warehouses, terminals, and industrial buildings because of its. Design of heavy duty concrete floor slabs on grade. All concrete to be discharged into the pouring area shall follow good concrete placing method. Sum fatigue and erosion damage factors over all of the.
Ground floors there are two main types of ground floors. Vibrating concrete during concrete discharge, wet concrete shall be vibrated with a poker vibrator. Vibrating concrete during concrete discharge, wet concrete shall be vibrated with a poker vibrator especially at edges or beam area. 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. 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. Ground water sources and when the floor slab is in contact with saturated ground, or if. How to ground an esd floor learning center staticworx. Concrete slab floors come in many forms and can be used to provide great thermal comfort and lifestyle advantages.
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. Design is defined as the decisionmaking process of planning, sizing, detailing, and developing specifications preceding construction of slabsonground. Method of statement construction of flat concrete floor. Suspended timber ground floor construction studies q1. Pdf design of monolithic concrete ground floors814. 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. Pdf behaviour and design of concrete industrial ground floor. The specified compressive strength of concrete shall be as set forth in section r402. Scribd is the worlds largest social reading and publishing site. Concrete ground floors consist of the following components, in order. The occurrence is primarily due to differences in moisture andor temperature between the top and bottom surfaces of a concrete slab. 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. 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.
Floors shall be a minimum 3 1 2 inches 89 mm thick for expansive soils. Ground floors a ground floor is the floor of the lowest level of a. 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. Design of concrete floors with particular reference to post. 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. Oclcs webjunction has pulled together information and resources to assist library staff as they consider how to handle coronavirus. Concrete slab on ground floors shall be designed and constructed in accordance with the provisions of this section or aci 332.
Concrete slabonground floors shall be designed and constructed in accordance with the provisions of this section or aci 332. Floors shall be a minimum 3 1 2 inches 89 mm thick for expansive soils, see section r403. 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. The concrete centre hospital floor vibration study comparison of possible hospital floor structures with respect to nhs vibration criteria j. How much maintenance your floor will need largely depends on the amount of traffic it receives. Bcl industrial concrete floors installer of concrete. Refer to the latest edition of aci 224r for a detailed discussion of cracking in reinforced and nonreinforced concrete slabs. Concrete floors are relatively easy to care for when compared with other types of.
Cfca trade contractors offer complete concrete floor solutions to meet. This barcode number lets you verify that youre getting exactly the right version or edition of a book. 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. The design procedure includes determining slab thickness based on moving live loads and then checking adequacy of slab thickness for stationary live load. Numerous and frequentlyupdated resource results are available from this search. Slabs can be onground, suspended, or a mix of both.
Concrete floors on ground 2001 edition open library. The design of slabsonground should conform to the recommendations of aci 360r. Both the construction joints and the sawn joints allow for concrete shrinkage. Design and construction of concrete floors, second edition. 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. This guide describes how to produce highquality concrete slabs on ground and suspended floors for various classes of service. Apr 09, 2020 no type of flooring material is truly maintenance free, and the same holds true for decorative concrete.
In the uk, jointed floors are usually reinforced with steel mesh fabric. Surface treatments such as acid stains, concrete stains and paint made for concrete floors turn plain. Concrete floors on ground portland cement association. Design and construction of concrete floors sciencedirect.
Concrete floors are relatively easy to care for when compared with other types of flooring, especially carpet, but they do require regular attention. This is a ribbed cast in situ floor with permanent formwork in the form of hollow clay or concrete pots. Table 1 recommended damping factors for varioius occupancies occupancy damping factor. Fold copper at a 90degree angle at the point where the wall meets the floor. Concrete sweating phenomenon, causes and prevention. The minimum thickness for a concrete slabongrade is 312 inches except where expansive soil is present. Integration of actions over design strips based on these load paths is shown to be a fundamental step in the interpretation. Pca concrete floors on grade free download as pdf file. Sub structures and super structures 2 super structure.
Reliable information about the coronavirus covid19 is available from the world health organization current situation, international travel. The construction and design of concrete slabs on grade. 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. 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. How to clean concrete floors best cleaners for cement.
Pdf behaviour and design of concrete industrial ground. The design procedure separately includes determining thickness of slab under wall load. Ribbed floors have greater span and load potential per unit weight than flat slab construction. Concrete slab moisture can cause problems with the adhesion of floorcovering material, such as tile, sheet. Hardcore blinding dp membrane site concrete insulation a floor finish 3. The construction sequence includes placement of either alternate lanes or adjacent lanes see figure 8. Various factors affecting slab thickness and other design elements such as joints and subgrade considerations need attention. For floor slabs on grade, concrete is typically placed in wide lanes 50 to 150 feet wide. 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. 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. It addresses the planning, design, and detailing of slabs. Surface treatments such as acid stains, concrete stains and paint made for concrete floors turn plain concrete into beautiful, oneofakind finishes. Ribbed floors have greater span and load potential per unit weight than flat slab. Information on other aspects, su ch as materials, construction methods, placement of concrete, and finishing techniques, is.
Also, concrete can be stamped with rubber stencils to give it texture. Curling is the distortion of a slab into a curved shape by upward or downward bending of the edges. Slightly more than half of all lowrise buildings in the united states are constructed from concrete. Background information on design theories is followed by discussion. 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. Concrete floors are completely customizable and provide a great alternative to traditional flooring such as linoleum, carpet, wood, tile, stone or marble. Lay remainder of copper strap flat on the subfloor. Suspended floors are normally made up of 2 materials, either timber joists or a concrete beam system. Dyes added as the wet concrete is being mixed produces concrete in a huge range of earthy colors.
Refer to aci 223 for procedures for the design and construction of shrinkage compensating concrete slabsonground. No type of flooring material is truly maintenance free, and the same holds true for decorative concrete. Ground supported jointless floors are more costly than jointed floors of the same thickness. 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 slabsonground american concrete institute. A concrete slabongrade can be used as the base of a firstfloor level or of a basement level. Cip 19 curling of concrete slabs nrmca expanding the. Learn to design, specify, and build quality concrete floors. Design aids are instrumental in constructing concrete buildings.
A sweating concrete floor can be a real nuisance that can create a slippery surface and make the floor damp. Floors types of floors methods of construction of floor. Heavy loads in buildings such as warehouses include moving loads, stationary. Troughed floors are ribbed in only one direction, whereas coffered or waffle floors are ribbed in two directions. Concrete floor slabs on grade are subjected to a variety of loads and loading conditions. Design is defined as the decisionmaking process of planning, sizing, detailing, and developing specifications preceding construction of slabs on ground. Our teams are equipped with the specialist knowledge and plant necessary to achieve the highest standards across expansive areas. Ground water sources and when the floor slab is in contact with saturated ground, or if drainage is poor. In this article, we study the phenomenon of concrete sweating.
Any ed material included in this ufc is identified at its. Pdf concrete floors on ground second edition cristhian. Avoid using curing compounds on floors where coverings or coatings will be installed. 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. Portland cement institute, 1993 floors, concrete 155 pages. Farny, 2001, portland cement association edition, in english 3rd ed. The vibrator shall be inserted vertically into the concrete.
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