Both products are being utilized worldwide to resolve issues encountered with expansion and contraction in reinforced concrete as well as post tensioned concrete structures.
The Burke Lockable Dowel helps to eliminate pour strips in typical large cast in place pours and post tension construction. With a smooth dowel in a rectangular slot, the Burke Lockable Dowel allows contraction movement in two directions while also carrying the gravity loads once the concrete has reached its designed compressive strength. With traditional pour strips, there are safety concerns as well as material movement issues. By using the Burke Lockable Dowel, the general contractor no longer faces the safety concern of having a gap in the slab to work around. This helps to move the schedule for all trades more efficiently by allowing them to get in sooner and move more freely on the jobsite, especially when using mobile equipment such as forklifts. The Burke Lockable Dowel is the advanced solution to costly forms, added floor space, time consumption and maintenance issues.
The Burke Double Shear Dowel is a concrete accessory that is revolutionizing permanent movement joints. It is a simple solution to a complex problem that has plagued mankind since the development of concrete.
When concrete expands and contracts based on external conditions, the concrete cracks. The Burke Double Shear Dowel is used to control the cracking by segmenting a construction joint which allows the concrete to move while controlling the direction of the movement. Manufactured from stainless steel to ensure a high degree of corrosion resistance, the Burke Double Shear Dowel requires no additional protection. It has been proven to provide durable construction and is a simple solution to many complex design issues making it a revolutionary product of its time.