Natural Weathering of Mineral Stabilized Asphalt Coatings on Organic FeltU.S. National Bureau of Standards, 1969 - 15 pages |
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Page 1
... ( blue black slate , clay , dolomite , fly ash , mica , and silica ) were evaluated at concentrations up to 60 percent in California , Mid Continent and Venezuela asphalts . The mineral - surfaced specimens are all performing ...
... ( blue black slate , clay , dolomite , fly ash , mica , and silica ) were evaluated at concentrations up to 60 percent in California , Mid Continent and Venezuela asphalts . The mineral - surfaced specimens are all performing ...
Page 2
... blue black slate , Florida clay , Niagara dolomite , low - carbon fly ash , Tennessee mica , and Lake Erie silica . The properties of these materials are listed in table 1 . b . Asphalts The descriptions and properties of the three ...
... blue black slate , Florida clay , Niagara dolomite , low - carbon fly ash , Tennessee mica , and Lake Erie silica . The properties of these materials are listed in table 1 . b . Asphalts The descriptions and properties of the three ...
Page 3
... Blue Black Slate Florida Clay 1 Niagara Dolomite Low Carbon Fly Ash Tennessee Mica Lake Erie Silica # 50 - Quarry Delta , Pa . Mine Edgar , Fla . Quarry Joliet , Ill . Philadelphia Electric Co. # 160 - Pit Mine Johnson City , Dredged ...
... Blue Black Slate Florida Clay 1 Niagara Dolomite Low Carbon Fly Ash Tennessee Mica Lake Erie Silica # 50 - Quarry Delta , Pa . Mine Edgar , Fla . Quarry Joliet , Ill . Philadelphia Electric Co. # 160 - Pit Mine Johnson City , Dredged ...
Page 8
... blue black slate have not deteriorated to the 25 per- cent spalled level after 17 years of exposure . For these systems , just as with the asphalts without 25 % Cracked Coating description 50 % Cracked Initial Spall 8.
... blue black slate have not deteriorated to the 25 per- cent spalled level after 17 years of exposure . For these systems , just as with the asphalts without 25 % Cracked Coating description 50 % Cracked Initial Spall 8.
Page 9
... blue black slate are deteriorating more slowly than those with lower concentrations . For materials with other than those with plate- like particle shapes , the response to mineral addi- tives cannot be discussed in general terms [ 3 ] ...
... blue black slate are deteriorating more slowly than those with lower concentrations . For materials with other than those with plate- like particle shapes , the response to mineral addi- tives cannot be discussed in general terms [ 3 ] ...
Common terms and phrases
60 percent aluminum aluminum-base specimens appearance Applied areas asphalt coatings ASTM base Black Slate 25 blistering Blue Black Slate Building Building Science Series Bureau of Standards California asphalt Cement Center cents Characteristics Clay Column COMMERCE concentrations consists containing corresponding cracking criteria deterioration differences direction divisions doctor bar Dolomite durability early effects exposed exposure failed failure felt-base specimens FIGURE Fly Ash Government granule-surfaced specimens granules grid half heated industry Institute Kraft paper listed longer Loss on ignition losses machine materials measurement method Mica Mid-Continent asphalt mils mineral additives Months Ratio Months National Bureau observed Office Organic panel passed performances period physical prepared procedure produced Properties provides Ratio Months Ratio reference reported Research rolls roofing saturated felt sheets shingle Silica smooth smooth-surface smooth-surface specimens spalling surface TABLE technical Technology temperature tests three asphalts Venezuela asphalt Washington weather weatherometer tests