burst open
1. To open abruptly, typically with or as a result of force. Floodwaters caused the dam to burst open.
2. To cause something to open, often due to the use of force. In this usage, a noun or pronoun can be used between "burst" and "open." The police used a battering ram to burst the door open.
ˌburst ˈopen
, ˌburst (something) ˈopen
open suddenly or violently; make something open in this way: The door burst open.Firefighters burst the door open and rescued them.