Prestress Concrete And Green Roof

In order to assure that the concrete shell structure will develop its full capability to resist the imposed destructive forces it is essential that the roof structure provide a competent structural diaphragm incorporating a cast in place reinforced concrete slab or well connected precast concrete planks in order to develop the full potential of a concrete shell.

Prestress concrete and green roof.

No other building system accommodates creativity and practicality like spancrete hollowcore floor and roof building systems. Concrete roof systems have three basic advantages over competitive materials esthetic appeal structural economy and functional utility. In addition projects that use this system are increasingly green friendly when panels are fabricated from recycled steel and locally extracted materials. Sydney zoo by misho associates.

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. Green roofs for healthy cities grhc is developing a course on waterproofing and drainage as it relates to green roof design and implementation. Spancrete hollowcore precast concrete planks slabs are fire resistant. Precast concrete products do relate directly to four leed credits and a total of eight points.

These precast roofs are usually constructed in a way that is energy efficient. 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 concrete panels showcase a number of green and sustainable properties. Double tees are the most widely used prestressed concrete product in the minimum span range.

Precast roofs have provided a sturdy solution for the construction of the homes. Concept drawing of green roof structure. Site credit 7. There are many benefits of using the precast roofs for construction of homes and offices.

The system allows for a substantial reduction in on site waste and optimized material usage. 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. Precast prestressed concrete trusses were introduced in 1978 in the aci journal article titled prestressed concrete trusses. The article discussed two prototypes.

The course will be launched at the fifth annual international greening rooftops for sustainable communities conference april 29 may 1 2007 in minneapolis. Steel beams or precast walls beams. It also saves time and cost. Double tees may be used for many types of buildings.

Site credit 6 stormwater management.