Live Load Reduction Roof

News Illustrated Sun Sentinel Blogs Green Roof Living Roofs Roof

News Illustrated Sun Sentinel Blogs Green Roof Living Roofs Roof

Did You Know A Roof Garden Can Garden Design Terrace Garden Rooftop Deck

Did You Know A Roof Garden Can Garden Design Terrace Garden Rooftop Deck

Green Roof Plants Cam Photosynthesis Minimizes Drought Effects Dachbegrunung Tips And Tricks Tricks

Green Roof Plants Cam Photosynthesis Minimizes Drought Effects Dachbegrunung Tips And Tricks Tricks

Roof Trusses How To Repair Roof Trusses Types Of Roof Trusses Roof Truss Design Roof Repair Roof Styles

Roof Trusses How To Repair Roof Trusses Types Of Roof Trusses Roof Truss Design Roof Repair Roof Styles

There Is More To A Living Roof Than Just Shoveling Dirt On Your Roof Sedum Roof Green Roof Green Roof System

There Is More To A Living Roof Than Just Shoveling Dirt On Your Roof Sedum Roof Green Roof Green Roof System

Cant Strip Flat Roof Parapet Stripping

Cant Strip Flat Roof Parapet Stripping

Cant Strip Flat Roof Parapet Stripping

For uses other than storage where approved additional live load reductions shall be permitted where shown by the registered design professional that a rational approach has been used and that such reductions are warranted.

Live load reduction roof.

In some building codes the live load reduction is a function of the number of stories carried by a member or is dependent on whether the load is coming from a single level or from more than one level. Live load reduction is a reduction in live load that contributes to the actions on a member. Where d is floor dead load. L r l o r 1 r 2.

R 1 1 for a t less than or equal to 200 psf r 1 1 2 0 001 a t for between 200 psf and 600 psf. If the roof design load is 20psf and you are considering the compression in a web member that is located near the mid span than i would not use live load reduction for the compression in that member. Where l r shall not be less than 12 psf and not more than 20 psf. The live loads for members supporting two or more floors are permitted to be reduced by a maximum of 20 percent but the live load shall not be less than l as calculated in section 1607 10 1.

The live load on a roof is the weight of any temporary objects on the roof. Where snow isn t a problem the live load can come from people working on the roof and any equipment they take on to the. One for the tributary area supported by the structural element r 1 and the other for the slope of the roof surface r 2. Roof live load reduction.

The commentary in asce 7 05 c4 about roof live load reductions explains the anticipated difference in use of roof areas vs. The reduction formula has two reduction terms.

Green Roofs And Great Savings Green Roof Garden Green Roof Green Roof Design

Green Roofs And Great Savings Green Roof Garden Green Roof Green Roof Design

Green Roof Benefits Green Roof Green Roof House Earth Sheltered Homes

Green Roof Benefits Green Roof Green Roof House Earth Sheltered Homes

Intensive Green Roof Systems Green Roof System Green Roof Roofing Systems

Intensive Green Roof Systems Green Roof System Green Roof Roofing Systems

Green Roof Google Search Greenbuilding Green Roof Design Green Roof Roof Detail

Green Roof Google Search Greenbuilding Green Roof Design Green Roof Roof Detail

Source : pinterest.com