ACI 562M-13: Code Requirements for Evaluation, Repair, and by ACI

By ACI

This code offers principles for a initial overview that determines the "design foundation code" that's, if the construction may be repaired according to the ACI 318 model utilized in the unique layout, or if the fix must conform to the present ACI 318. The code offers ideas for picking power of in-situ fabric, appearing structural research, designing maintenance for energy and sturdiness, standards for balance and shoring of building, and inspection and trying out of upkeep. statement presents program information in addition to references for more information.

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Extra info for ACI 562M-13: Code Requirements for Evaluation, Repair, and Rehabilitation of Concrete Buildings and Commentary (Metric)

Example text

2 Repair design and construction procedures shall consider the loading, internal forces, and deformations in both the existing and repaired structure during the repair process. 2C During the repair process, it may not be possible or practical to relieve existing stresses or deformations. Consideration should be given to the in-place internal forces and deformation present in the existing structure during the repair and the subsequent internal forces from the design loads that the repaired section will be required to resist.

Repair materials should be selected to achieve the necessary service, strength, and durability requirements. The selection of reinforcement material should consider the durability, performance at elevated temperatures, and ductility. Electrical and chemical reactivity between the reinforcement, the repair material, and the existing reinforcement should also be considered. 2R for externally bonded FRP reinforcement, and ICRI No. 1 and ACI SP-66 (ACI Committee 315 2004) for steel reinforcement. Required properties of the repair reinforcement should be specified in the contract documents.

Development length shall be permitted to be calculated based upon development in both the existing concrete and new materials. 3C Reinforcement development may be inadequate due to corrosion, mechanical damage, insufficient or loss of concrete cover, delaminated concrete, concrete strength, or other conditions. The design of the repair should evaluate the required development length to develop the design force of existing reinforcement. Detailing of the repair should include the proper development of new reinforcement to achieve the design force.

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