Yes, jes ... my guess is file a legal separation, seek a temporary order giving exclusive use and possession of the residence to with wife. However, if there is a history of violence or threats of violence, I assume Texas has an order of protection procedure ("restraining order") that would give wife the possession of the marital residence -- at least for the short term. The latter process is by far the easiest, cheapest, and quickest. (... pretty much what Foxy said, huh?)
Can't just change the locks, rog. Bad idea.