Prestress Concrete And Green Roof

Precast concrete panels showcase a number of green and sustainable properties.

Prestress concrete and green roof.

These precast roofs are usually constructed in a way that is energy efficient. Precast roofs have provided a sturdy solution for the construction of the homes. There are many benefits of using the precast roofs for construction of homes and offices. The article discussed two prototypes.

The system allows for a substantial reduction in on site waste and optimized material usage. Prefabricated concrete panels will be used to create tunnels which will be landscaped on top. Sydney zoo by misho associates. Precast prestressed concrete trusses were introduced in 1978 in the aci journal article titled prestressed concrete trusses.

Spancrete hollowcore precast concrete planks slabs are fire resistant. No other building system accommodates creativity and practicality like spancrete hollowcore floor and roof building systems. In addition projects that use this system are increasingly green friendly when panels are fabricated from recycled steel and locally extracted materials. Steel beams or precast walls beams.

Site credit 6 stormwater management. 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. Double tees may be used for many types of buildings. This research studies the thermal performance of precast lightweight foamed concrete as a roof structure integrated with a green roof system through experimental modeling.

Concept drawing of green roof structure. Double tees are the most widely used prestressed concrete product in the minimum span range. Site credit 7. 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.

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. Precast concrete products do relate directly to four leed credits and a total of eight points. There are numerous designs of precast roofs. Concrete roof systems have three basic advantages over competitive materials esthetic appeal structural economy and functional utility.

It also saves time and cost.