How To Treat Persistent Back Pain Inspite Of Taking Oxycodone?

I am a 30 Year old male. I have done concrete work my whole life. I started fulltime when I was 15 and been doing it since. Its a my dad did it and his dad kind of thing and I like my job im good at it and its really the only thing I ever did. But now I have constant pain in my back and knees. I have tried over the counter everything nothing works I even use to go to the chiropractor and for massages regularly. I am a single father of a four year old daughter that care about its affecting every part of my life I cant sleep. I just want to be able to go to work and come home and play with my daughter and get a goodnight sleep. The only medication I was ever on that worked was Oxycodone is that a solution to my problem. Thanks You.