@NgModule({
    imports: [RouterModule.forRoot(appRoutes, {onSameUrlNavigation: 'reload'})],
    exports: [RouterModule]
})
export class AppRoutingModule {

}

this.router.onSameUrlNavigation = 'reload';

this.router.events
  .pipe(filter(event => event instanceof NavigationEnd))
  .subscribe(event => {...});