Achieving Ando-esque Concrete wall

Guys  im currently designing a structure as an attempt on applying it on some accent walls, the "tadao Ando concrete"

any ideas po kung paano ma apply ito for finishing lang and i know this is a situ concrete. but mine doesnt require any structural needs or precast.

.ano po kaya ang finish nito like . my sealant po ba ito?
meron po bang admixture or kakaibang halo sa concrete?  paano po yung bolted na part ?

sana po matulungan niyo ko .salamat in advance:D