hastily, quickly
specially
The event will take place in a specially erected marquee.

around
An electric fence was erected around the campus.

on
A large monument was erected on the battlefield.

newly erected, recently erected
the newly erected station buildings

Erect is used with these nouns as the object:
arch, barricade, barrier, building, fence, garage, marquee, memorial, monument, partition, scaffolding, shelter, shrine, sign, statue, tent, wall