Prestress Concrete And Green Roof

Concept drawing of green roof structure.

Prestress concrete and green roof.

The system allows for a substantial reduction in on site waste and optimized material usage. There are numerous designs of precast roofs. The course will be launched at the fifth annual international greening rooftops for sustainable communities conference april 29 may 1 2007 in minneapolis. Precast prestressed concrete trusses were introduced in 1978 in the aci journal article titled prestressed concrete trusses.

The article discussed two prototypes. Precast roofs have provided a sturdy solution for the construction of the homes. In addition projects that use this system are increasingly green friendly when panels are fabricated from recycled steel and locally extracted materials. Prefabricated concrete panels will be used to create tunnels which will be landscaped on top.

Spancrete hollowcore precast concrete planks slabs are fire resistant. Site credit 7. 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. No other building system accommodates creativity and practicality like spancrete hollowcore floor and roof building systems.

Site credit 6 stormwater management. Precast concrete panels showcase a number of green and sustainable properties. Sydney zoo by misho associates. Double tees are the most widely used prestressed concrete product in the minimum span range.

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. However only a few buildings have implemented a green roof system in the tropics especially in indonesia and the literature found on this subject is also inadequate. Double tees may be used for many types of buildings. It also saves time and cost.

This research studies the thermal performance of precast lightweight foamed concrete as a roof structure integrated with a green roof system through experimental modeling. Steel beams or precast walls beams. These precast roofs are usually constructed in a way that is energy efficient. Green roofs for healthy cities grhc is developing a course on waterproofing and drainage as it relates to green roof design and implementation.

Precast concrete products do relate directly to four leed credits and a total of eight points.