Hollow zones and vibration develop below equipment.
Use the site evidence to agree a project-specific method with the responsible engineer, concrete producer, manufacturer or specialist applicator.
Hollow zones and vibration develop below equipment.
Sound the grout; inspect formwork, flow route, head pressure and bearing area.
Interrupted placement, trapped air or unsuitable flow can leave voids.
Engineer a repair or regrout using appropriate nonshrink grout for loads and gap geometry.
Prepare and precondition substrate; place continuously from one side with suitable head and venting.
Verify contact and bearing by approved sounding or inspection method.
Do not grout from opposite sides and trap air beneath the plate.
References inform the topic; they do not endorse a specific product for this project.