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

By ACI

This code presents ideas for a initial review that determines the "design foundation code" that's, if the construction should be repaired in response to the ACI 318 model utilized in the unique layout, or if the fix must agree to the present ACI 318. The code offers ideas for opting for power of in-situ fabric, acting structural research, designing upkeep for power and sturdiness, standards for balance and shoring of building, and inspection and checking out of upkeep. statement offers program assistance in addition to references for additional info.

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

Sample text

4. 2 Design shall consider the location and detailing of the existing reinforcement in accordance with the evaluation of Chapter 6. 2C The location and detailing includes the horizontal and vertical positions, orientation, geometry of the reinforcement, development of reinforcement, and the presence of hooks and crossties. Field examination to locate existing reinforcement may be required. 3 Both existing and new reinforcement shall be adequately developed. Development length shall be permitted to be calculated based upon development in both the existing concrete and new materials.

3 The method of analysis shall consider the structural configuration and material properties after repair. 3C Procedures for seismic rehabilitation of concrete buildings, including analysis, are provided in ASCE/SEI 41 and supplemented in ACI 369R. These references provide details for forces, rehabilitation methods, analysis and modeling procedures, and seismic rehabilitation design. 1C The licensed design professional may lack information required to determine the strength of deteriorated or repaired structural members.

1 The design of repairs shall consider the effects of cracks on the expected durability, performance, and design service life of the repair. 1C Protection of repaired concrete may be as vital as the repair itself. Consideration should be given to post-repair cracking and the need for protection of the existing concrete and repair material from the ingress of deleterious materials. 1R provides guidance for the prevention and control of cracks. Cracks in concrete structures may impact the long-term performance of the structure.

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