Durability of Pre-Stressed Concrete Seawater exposure Chloride Resistance and Steel Corrosion Resistance to alkali-silica reaction (asr) Abrasion Resistance Lietrature Review Concrete crack Concrete surfaces spall High Humidity and Wind-Drive Continue Reading...
" (U.S. Department of Transportation, 2000 P. 3). In the United States, the average bridge deck in a snow-belt state generally shows the spalling shortly after 7 to 10 years of construction, and requires rehabilitation after 20 years of construction. Continue Reading...
These standards require the post-tensioned concrete structure to have a bare anchorage and must be made up of galvanized steel ducts which bear duct taped joints. The prepressing strands must be bare and the grout must be cementitious and be adequat Continue Reading...
Identifying Opportunities to Reduce Income Disparities in South Africa Today and In the FutureDespite the end of apartheid in the early 1990s, South Africa remains racially and economically segregated. The country is beset by persistent social inequa Continue Reading...
