Concrete problems and repair techniques professor khaled a. Prior to filling any structure with water, cracks 0. Evaluation and selection guide of method of repair for routine. Concrete repair application procedures certificate program. Cracks are sealed and epoxy injected to restore strength. Aci 56216 was developed to be integrated with the current us general building codes for existing structures, such as the 2015 inter.
Concrete basicsaddresses the needs of unskilled and semiskilled persons undertaking general concreting projects including home and handyman projects. Chapter 3 pavement patching and repair general the roadway is the paved or otherwise improved portion of a public highway ordinarily used for vehicular travel. If the hand feels vibration in the concrete, or if the sand particles are seen to bounce however slightly due to the hammer blows, the concrete is delaminated. Download technical drawings in either pdf or dxf formats. This guide to concrete repair results from recognition of that need. Placing concrete place concrete into the repair area from readymix truck or other mobile batch vehicles. If this repair is being considered and the pavement is faulted, planing the pavement is also recommended. The concrete repair manual is referenced in several 2014 standard specification items. Uniform standard details for public works construction. Cad details a library of standard cad details are available, bespoke cad details. The program includes the purpose of the repair, applications for which each method is appropriate, surface preparation, safety considerations, and the repair procedure. It takes a special skill set, pride in the work and patience to repair concrete structures to new condition. Honeycombing reduces concrete strength and durability. Sika concrete repair mortars are suitable for restoration work, repair of spalling and damaged concrete in all types of structures including buildings, bridges, infrastructure and superstructures.
A critical action is to ensure the repair crew has been adequately trained on the materials and processes. This may include surveying, sounding or the use of a. At a former firm i remember a reference manual that had some isometric drawings showing how to remove the concrete around the corroded bar and how to clean the bar up and patch it. Our involvement in thousands of concrete repair projects every. Fosroc solutions for concrete repairs in accordance with. Cookie information is stored in your browser and performs functions such as recognising you when you return to our website and helping our team to understand which sections of the website you find most interesting and useful. Repairing concrete solutions to reestablish structural integrity repairing concrete 8 solutions to reestablish structural integrity 9 en 1504 european standard en 1504 consists of 10 parts, each covered by a separate document. This specification describes items common to all installations of concrete patching compounds. Is fastsetting allows for return to service in about one hour. They help to repair concrete defects, improve appearance, restore structural integrity, increase durability and extend the structures longevity. Manual for design and detailing of reinforced concrete to. This guide first discusses reclamations methodology for concrete. Fosroc was among the pioneers of genuine concrete repair materials, we have been repairing concrete structures for over 30 years.
Click on the mag logo from any page to go to the table of contents. This sec tion includes a list of each of those references, along with the corresponding section to reference within this manual. This repair may be considered when the concrete is structurally sound and the main deficiency of the pavement is load transfer. Concrete repair concrete crack repair department of transportation expansion joints joint sealants. Concrete repair manual 14 txdot 012019 chapter 1 introduction section 2 using the concrete repair manual section 2 using the concrete repair manual when developing repair or rehabi litation plans, the engineer shoul d specifically include which sec. It is particularly important that key personnel be fully instructed concerning procedural details of repairing concrete. 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, construction, and materials, who share a commitment to pursuing the best use of concrete. Galvanic anodes shall be supplied and installed in accordance with the details as shown on the shop.
There is no such thing as a standard concrete repair. Concrete masonry units q csa a82 series, brick masonry units q. Spalled concrete repair details structural engineering. Contact the concrete office for further details and current specifications. Use care to attain good concrete consolidation around dowel bars and along the patch perimeter. Concrete repair guide for concrete bridge components 2. Repair details concrete beam fiber reinforced polymer frp repair details r e v i s e d 0 32 0 1 7i s s u e d s t a n d a r d s h e e t s 1 0 5 5, 1 5 7 s 1 a n d 1 0 5 7 s 2. Aci documents are available in print, by download, on cdrom, through electronic subscription, or reprint and may be obtained by contacting aci. Concrete repair process evaluate the damage diagnose the problem establish course of action. Concrete repair and maintenance illustrated structural. This document is available to the public through ntis. Concrete repair national precast concrete association. Key words concrete pavement, transition area, joint, design, autocad 18.
Repairing concrete solutions to reestablish structural integrity repairing concrete 66 solutions to reestablish structural integrity 7 overview repair and protection of concrete concrete repair strategies proper maintenance of a concrete structure is essential in order to guarantee the designed lifetime, since there can be many causes of. This provides a resource which helps specifying engineers and contractors as well as material manufacturing companies. Disclaimer this manual is intended to encourage stateoftheart masonry design by offering details. When concrete is too deteriorated for epoxy injection, then all unsound concrete is removed and new concrete is placed. Manual for design and detailing of reinforced concrete to the september 20 code of practice for structural use of concrete 20 2. Epoxy injection has also been successfully used to repair surface delamination of slabs. Workmen should also be apprized of the more critical aspects. This makes each concrete repair a little bit different from the last. This website uses cookies so that we can provide you with the best user experience possible. Development of a con crete repair code was a key goal of the vision 2020 2 program which identified strategies to improve the concrete repair practice. Vision 2020a vision for the concrete repair, protection, and strengthening industry. Concrete repair site handbook 9 dos and donts dos use only clean potable water make sure tools are clean and well maintained remove only concrete as.
A concrete repair craftsman is often as much an artist as a technician. A conventional concrete mix to be used as a replacement concrete repair material shall be readymix concrete that. Selection of concrete repair material only one brand of proprietary concrete repair material shall be used in any single repair operation unless compatibility between brands can be proven with actual test or performance data. Incorporated typical repair detail and photos showing steps for. Concrete repairs structural damage the concrete network. The construction and installation of fulldepth repairs involve the following steps. Concrete repair guidelines concrete repairs can be broken down into four basic types, plus special repairs and planing. Sika supply a range of products to repair and protect concrete to prolong the life of structures, in accordance with en 1504 regulation. This chapter introduces the detail plans of current concrete pavement repair methods using state dots.
Concrete basicsaims to provide a clear, concise explanation of all aspects of making quality concrete. Soudki, peng department of civil engineering university of waterloo waterloo, ontario, canada, n2l 3g1 tel. Environmentally sustainable, durock exg concrete repair patch. Standard specification references to the concrete repair manual 4. Past manual notices are available in a pdf archive.
The 2volume concrete repair manual is a must have for those involved in the repair of concrete. Concrete protection technical drawing installation in high resistivity mortars technical drawing minimum anode cover and edge distance technical drawing minimum coverage prepack mortar technical drawing typical installation details. The concrete repair mortar shall be handled, stored, mixed and applied in. The transition detail sheets will be evaluated by txdot for implementation. It is designed to serve as a companion document to the standard specifications for repair of concrete included in appendix a of this guide. Proper design and implementation of concrete repairs graham bettis, p. The roadway surface is normally classified as rigid consisting of portland cement concrete or flexible consisting of asphaltic materials. The user of details that work should be familiar with local building practices, and the requirements of the local building code and the csa masonry standards. Understanding concrete repair is hard to learn, as it is more often related to experience and little is taught in colleges and universities. The causes, prevention and repair of cracks are discussed in more detail in a technical report entitled nonstructural cracks in concrete, issued by the. Proper design and implementation of concrete repairs. Fosroc solutions for concrete repairs in accordance with en1504.
Distribute the concrete evenly to avoid the need of excessive shoveling. The sketches of the transition details are checked for consistency with the guidelines. Im looking for a source for generic spalled concrete repair details. Section 3 standard specification references to the concrete repair manual. Concrete repair manual 14 txdot 012019 chapter 1 introduction section 2 using the concrete repair manual section 2 using the concrete repair manual when developing repair or rehabi litation plans, the engineer shoul d specifically include which sections of this manual will be enforced. Most aci standards and committee reports are gathered together in the annually revised aci manual of concrete practice mcp. The repair application procedures certificate program covers procedures for basic concrete repair techniques. Learn how to repair concrete from demolition to caulking cracks. Durock exg concrete repair patch is a polymermodified cementitious concrete repair patch that may be broom finished or smooth finished with a trowel. Sika is considered to be the industry leader on a worldwide basis in concrete repair, protection and refurbishment.
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