Don't assume vertical forces only. Temperature changes in pipes can exert high lateral forces to the anchor points. Other pipe supports can have slide-type supports to minimize lateral forces, but they sometime freeze up (ice or rust) and can transmit lateral forces, unintendedly.
I would like to purchase a used copy of "Candela, the Shell Builder", by Colin Faber. I'm working on low cost housing designs for the third world. Felix Candela was an master of thin shell design and construction in Mexico, mainly. I would appreciate help in design ideas or other...