The only reason tubes blow out is that they are not properly constrained by the tire/rim combination. The tubes are the air seal, the tire and rim provide the strength which the tube lacks. When a tube blows out after installation it was almost certainly not installed correctly; often a small section of the tube is caught between the rim and the tire bead. Here is a good article section (the whole article is well worth reading IMO) which details installation of tires:
https://www.sheldonbrown.com/flats.h...reinstallation