ASCE 07-05 PDF

ASCE/SEI American Society of Civil Engineers. Minimum Design Loads for Buildings and. Other Structures. This document uses both the International. ASCE STANDARD ASCEISEI Including Supplement No. 1 American Society of Civil Engineers Minimum Design Loads for Buildings and Other Structures. ASCE 7 provides minimum load requirements for the design of buildings. Loads and appropriate load combinations (load factors), which were developed to be.

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Building 60 ft or lower and height does not exceed least horizontal dimension. ASCE uses three different basic wind speed maps for different categories of building occupancies. Generally, roof systems are designed using ASD. The wind speeds correspond to 3-second gust speeds at 33 ft above ground for exposure C category. Surface roughness B in upwind direction for ft or 10 times the height of the buildings.

In doing so, applying a load reduction factor of 0. For this edition, the ASD wind-load factor is 1.

Comparing the edition to the edition, there was a significant change to the load factors used with wind and basic wind speed maps. ASCE provides two methods for wind load calculation: Important fac tor, I for wind load.

Basic wind speed in U. Method of wind calculation: Analytical procedure Apply to all buildings and other structures. Consequently, the strength design wind-load factor was changed to 1.


The wind speeds represent year return period. Open terrain with scattered obstructions having heights generally less than 30 ft. Loads and appropriate load combinations load factorswhich were developed to be used together, are set forth 07-055 two design methods: ASCE uses four basic wind speed maps for different categories of building occupancies.

Explanation of ASCE 7-05, ASCE 7-10, and ASCE 7-16

A distinction was made surface roughness categories and exposure categories. Flat, unobstructed areas and water surfaces outside hurricane-prone regions including smooth mud flats, salt flats, and unbroken ice. Apply to all buildings and other structures. To determine wind-uplift resistance loads for a roof system, you would multiple the ultimate wind loads by the ASD wind-load factor 1.

Wind is to be evaluated in the worst case of the two degree sectors either side of the wind direction. Hurricane prone regions with. Interpolation between exposure categories is permitted by rational analysis. Surface roughness D in upwind direction for ft or 10 times the height of the buildings. An adjustment factor is provided for different exposure and height. Dead and live loads Wind load calculation Seismic load calculation Ice load calculation Snow load calculation.

ASCE Minimum Design Loads for buildings and other Structures | usp usp –

These changes affect how you determine wind-uplift resistance. Designers are given the option to use either ASD or strength design. For each building risk category, an importance factor and wind-load factor are then applied to determine ultimate wind loads.


One side of the building has door opening that larger than other 3 sides. Minimum design wind load: A building located at edge of city or sea shore may be designed for exposure category in one direction and other exposure in other direction.

These maps provide basic wind speeds that are directly applicable for determining pressures for asde design. For buildings with mean roof height 30 ft or less, the upwind distance is reduced to ft. The wind pressure is the wind pressure in the table multiplied by adjustment factor and important factor. ASCE 7 provides minimum load 07-005 for the design of buildings. Examples of partially enclosed buildings: ASCE uses a single basic wind speed map.

The analytical procedure is for all buildings and non-building structures. This also allow the building to be designed in different exposure in different direction. Nevertheless, the editor does not warrant, and assume no liability for accuracy and completeness of its content. The editor made reasonable effort of editing.