Facilitator: Claude Goguen, P.E., LEED AP, NPCA
Thursday, June 14
Noon – 1:00 p.m. Eastern
Surface imperfections, such as bug holes, honeycombing, cracking, discoloration and scaling, may not impact the performance and durability of the structure, but may impact a precast concrete manufacturer’s reputation. One person’s harmless blemish may be another’s assessment of poor quality. Regardless of their impact on the structure’s performance, surface imperfections should always be minimized. Structures serve as billboards for producers and should look beautiful whether its job is to adorn a building façade or hold sewage. This course will address the most common surface imperfections that can appear on precast concrete structures and the likely causes. Methods, tips and tricks for minimizing these imperfections will be shared and are valuable tools for any precast concrete quality control supervisor or technician.
At the conclusion of this webinar, you will be able to:
- Identify main causes for most common surface imperfections on precast structures
- Describe three ways to minimize the occurrence of bug holes
- Recognize what manufacturing processes can lead to most surface blemishes