User is given the option to override the code value. Even with the best floor designs and proper construction, it is unrealistic to expect crackfree and curlfree floors. Pdf download aci 302 1r 15 guide to concrete floor and. In order to read a secure pdf, you will need to install the fileopen plugin on your computer. Because some concrete parking structures have undergone significant deteriora.
The quality of a concrete floor or slab is highly dependent on achieving a hard and durable surface that is flat, relatively free of cracks, and at the proper grade and elevation. Joint spacing for concrete structures bureau of reclamation. Assessment of moisturetolerant coatings for decreasing. Vapor barriers in building construction wr meadows. Ductilcrete following the recommendations of aci 302. There are several different types of joints in concrete structures and their definitions depend on what organization is specifying them. This site is like a library, use search box in the widget to get ebook that you want. Guide for concrete slabs that receive moisturesensitive flooring materials contains materials, design, and construction recommendations for concrete slabsonground and suspended slabs that are to receive moisturesensitive flooring materials. Various aci documents should be consulted for additional guidance on planning and carrying out the complete investigation aci 207. It is the function of this commentary to fill this need.
Technical note 2 parabolic stressstrain curve with the maximum stress at fc and maximum strain at 0. Aci r 10 supersedes aci r and was adopted and published october aci r. The design of suspended floors should conform to requirements of aci 318 and aci 421. Precast terrazzo enterprises, inc product applications. Refer to aci 223 for procedures for the design and construction of shrinkagecompensating concrete slabsonground. The keypad for the lenze ac drive provides a visual for the operating. The american concrete institute aci has released aci r, guide for concrete slabs that receive moisturesensitive flooring materials. Thus, for proper values of flow rate and tunnel pressure at 0, the local pressure near point c will drop to the vapor. These flooring materials include sheet rubber, epoxy coatings, vinyl composition tile, sheet vinyl, carpet. Foreword the quality of a concrete floor or slab is highly dependent on achieving a hard and durable surface that is flat, relatively free of cracks, and at the proper grade and elevation. Consequently, every owner should be advised by both the designer and contractor that it is normal to expect some amount of cracking and curling on every. Guide for concrete floor and slab construction this guide describes how to produce highquality concrete slabson ground and suspended floors for various classes of service. Guide for concrete slabs that receive moisturesensitive flooring. Executive summary the concrete, geotechnical, and structural laboratory group is often asked to assist in locating joints in various concrete structures.
Irregardless of the term, it is the function of the material that needs to be evaluated to control the entry of water vapor into the building by vapor diffusion. Application of present technology permits only a reduction in. Bonded terrazzo national terrazzo and mosaic association. Slabs on grade, concrete craftsman series ccsi, 2nd edi. Blistering under a floor covering aci r from publication. Timing of jointing operations depends on the method used. Aci 11710 requires that if an unleveled straightedge placed on the slab surface is used to measure surface tolerances to evaluate the concrete contractors workmanship, such measurements must take place within 72 hours after slab placement.
The right setpoint source for every requirement via setpoint potentiometer to the control terminals. To prevent the concrete from cracking and therefore the terrazzo, aci 302. Seemingly ubiquitous but nearly invisible to most of those strolling across its surface, the concrete floor performs its function admirably in most instances while being subjected to every kind of abuse imaginable. No one else would take on the project committee of volunteers consensus document and its more complex that you might first imagine aci 330. Contractorperson, firm, or corporation with whom the owner enters into an agreement for construction of the work. Specification for unreinforced concrete parking lots.
Pdf load testing techniques for the strength evaluation. Reported by committee 302 american concrete institute. Aci code 31899 pdf the next new building code aci 1101 approximately three and one half years ago, i had the opportunity to address the institute from this page. Astm e 1643, standard practice for installation of water va por retarders used in contact with earth or granular fill under concrete slabs, astm, west conshohocken, pa. The american concrete institute aci is generally recognized as the authority on concrete in the united states, including materials, analyses, design, and repair of new and existing structures. Astm e1643, standard practice for installation of water vapor retarders used in contact with earth or granular fill under concrete slabs, astm, west conshohocken, pa.
However, as mentioned above, its effectiveness depends on the knowl. Monolithic terrazzo national terrazzo and mosaic association. The decision to repair, however, should be made with. Aug 10, 2015 ductilcrete following the recommendations of aci 302. The aci manual of concrete practice is a sevenpart compilation of current aci standards and committee reports. Concrete joints should occur a maximum of three times in feet the depth of the concrete in inches. Pdf download aci 302 1r 15 guide to concrete floor and slab. Click download or read online button to get aci 302 1r 15 guide to concrete floor and slab construction book now. Aci 30105 field reference manual specifications for. Download aci 302 1r 15 guide to concrete floor and slab construction or read aci 302 1r 15 guide to concrete floor and slab construction online books in pdf, epub and mobi format. Aci 117 specification for tolerances for concrete construction and materials aci 11710 and commentary aci 117r10 published by aci on june 1, 2010 this specification designates standard tolerances for concrete construction.
The maximum current limiting function ensures stable operation under static and dynamic loads. Drm is included at the request of the publisher, as it helps them protect their by restricting file sharing. Secure pdf files include digital rights management drm software. Guide to concrete floor and slab construction kindle edition by aci committee 302 author format. This site is like a library, use search box in the. This guide identifies the various classes of floors as to use. Overview of national and international standards, codes. Properties of the surface are determined by the mixture. The 3% value could be used to cap the crack repair allowance. Chapter 3 discusses the role of the subgrade and outlines.
The quality of a concrete floor or slab is highly dependent on. Application of present technology permits only a reduction in cracking and curling, not elimination. The american concrete institute addresses this issue in aci 302. American concrete institute aci functions as a technical and educational society for sharing innovative ideas and promoting superior concrete technology. Erosion of concrete in hydraulic structures 21or3 fig. See all 2 formats and editions hide other formats and editions. For contraction joints, the joint groove should have a minimum depth of 1 4 the thickness of the slab, but not less than 1 inch 25 mm. When designing and building suspended slabs, this guide should be used in conjunction with aci 318 and 302.
This manual is also a valuable aid to educators, contractors, materials and products manufacturers, building code. American concrete institute list your products or services on engineering360. The velocity near point c is much higher than the average velocity in the tunnel upstream, and the streamlines near point c are curved. Modulus of elasticity of concrete is automatically calculated and displayed by the program using fc, wc, and the following relationship 3 of the code. The institute publishes more than 400 technical standards, reports and manuals on testing, inspection, cracking and failure, building code requirements, and related topics. Preformed plastic or hard board joint strips are inserted into the concrete. Slabs on grade, concrete craftsman series ccs 1, 2nd edi. Construction joint locations in concrete tunnel linings. Most systems adhere to the concrete and require dividers to be placed precisey above any concrete joints. Heres whats important in the new aci guide to floor and slab construction.
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