Prestress Concrete And Green Roof

There are many benefits of using the precast roofs for construction of homes and offices.

Prestress concrete and green roof. Prefabricated concrete panels will be used to create tunnels which will be landscaped on top. Steel beams or precast walls beams. Site credit 7. This research studies the thermal performance of precast lightweight foamed concrete as a roof structure integrated with a green roof system through experimental modeling.

Precast pervious paving systems would likely need to be combined with additional measures like green roof assemblies or rain water harvesting to fully comply with this leed credit. Precast roofs have provided a sturdy solution for the construction of the homes. The course will be launched at the fifth annual international greening rooftops for sustainable communities conference april 29 may 1 2007 in minneapolis. Sydney zoo by misho associates.

The system allows for a substantial reduction in on site waste and optimized material usage. There are numerous designs of precast roofs. Green roofs for healthy cities grhc is developing a course on waterproofing and drainage as it relates to green roof design and implementation. In addition projects that use this system are increasingly green friendly when panels are fabricated from recycled steel and locally extracted materials.

The article discussed two prototypes. Double tees may be used for many types of buildings. Concept drawing of green roof structure. Precast prestressed concrete trusses were introduced in 1978 in the aci journal article titled prestressed concrete trusses.

Precast concrete products do relate directly to four leed credits and a total of eight points. No other building system accommodates creativity and practicality like spancrete hollowcore floor and roof building systems. Double tees are the most widely used prestressed concrete product in the minimum span range. Precast concrete panels showcase a number of green and sustainable properties.

It also saves time and cost. These precast roofs are usually constructed in a way that is energy efficient. Concrete roof systems have three basic advantages over competitive materials esthetic appeal structural economy and functional utility. Prototype i that had a clear span of 6 1 m 20 3 ft and a depth of 0 6 m 2 ft for a span to depth ratio of 10 and prototype ii that had a clear span of 18 4 m 60 8 ft and a depth of 2 6 m 8 5 ft for a span to depth.

Spancrete hollowcore precast concrete planks slabs are fire resistant.