Page 45

2014FallShotcreteEMag

Pool & Recreational Shotcrete Corner Fig. 1: Typical formwork for pool construction easily be placed in 1 day. With proper attention When the cost of shotcrete versus CIP in a to surface preparation at the floor-wall inter- swimming pool are compared for larger proj- section, shotcrete walls can be built so there is ects, the author does not believe that shotcrete a monolithic joint between the pool floor and is substantially less expensive. However, walls. With the shotcrete process creating a because it can produce a pool with superior monolithic joint, waterstops at the pool floor- durability and strength in less time, shotcrete wall joints are not needed as they are with CIP. is the concrete placing process that clearly Anyone who has experienced installing a bulb- needs to be the method of choice when building style waterstop knows that this is very time- a swimming pool. consuming and the waterstop itself can be expensive. All aspects of shotcrete swimming pool construction help to create a stronger pool that Mason Guarino started in the is built faster. Faster forming practices, less pool industry when he was 14, surface touchup after forms are stripped, and learning how to install rein- fewer items installed to ensure the pool is as forcing bar. Since then, he has waterproof as possible contribute to shotcrete worked on all phases of swim- being the best way to build a pool structure. ming pool construction. Gua- Shotcrete also commonly gains strength much rino has been with South Shore faster than CIP concrete due to a higher cement Gunite Pools & Spas, Inc., factor and lower water-cementitious material full-time since graduating from the Wentworth ratio. It is not uncommon to see shotcrete hit Institute of Technology with his BS in construc- the specified 28-day compressive strength in tion management in 2009. Guarino currently 7 days. This allows forms to be stripped faster serves on ASA’s Board of Direction and is an and the pool can be backfilled more quickly. ACI Certified Nozzleman. Shotcrete • Fall 2014 43


2014FallShotcreteEMag
To see the actual publication please follow the link above