1.3 million people still live in makeshift homes, often built from cyclone debris.
UN members rejected a proposal Thursday to forgo junta permission and force aid in.
The isolated junta sought outside aid as death toll projections topped 10,000.
Top exporters are trading less of the staple food, hurting countries that rely on imports.
The money will help build schools and storms shelters, three months after Cyclone Sidr killed more than 3,000 and left millions homeless.