An Investigation of the Effects of Time at Test Temperature in Water and in Air on Marshall Test Results for Bituminous Concrete |
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Page 29
... gradations were coded as " C " for the coarse gradation , and " D " for the dense gradation . The first step in the preparation of test specimens was the combining of the separate aggregate sizes . All weights were determined to the ...
... gradations were coded as " C " for the coarse gradation , and " D " for the dense gradation . The first step in the preparation of test specimens was the combining of the separate aggregate sizes . All weights were determined to the ...
Page 36
... Gradation Notation I 65 Penetration D = Dense Gradation II 93 Penetration Time : 10 min . at 140 ° F . 2 = 20 min . at 140 ° F . 3 = 40 min . at 140 ° F . W = Water A = Air 4 Marshall Flow Results From the curves drawn by the X 36 .
... Gradation Notation I 65 Penetration D = Dense Gradation II 93 Penetration Time : 10 min . at 140 ° F . 2 = 20 min . at 140 ° F . 3 = 40 min . at 140 ° F . W = Water A = Air 4 Marshall Flow Results From the curves drawn by the X 36 .
Page 47
... dense gradation , whereas a slight general decrease was noted for the coarse gradation . These differences were small and it will be noted in Table 8 that these differences were not statistically significant . Figure 12 shows that all ...
... dense gradation , whereas a slight general decrease was noted for the coarse gradation . These differences were small and it will be noted in Table 8 that these differences were not statistically significant . Figure 12 shows that all ...
Contents
BACKGROUND | 5 |
METHOD OF THE INVESTIGATION | 15 |
EXPERIMENTAL RESULTS | 32 |
4 other sections not shown
Common terms and phrases
20 minutes accuracy and reproducibility analysis of variance angle of internal Arcweld asphalt cement Asphalt Institute Asphalt Mix pcf Asphalt Paving Technologists asphaltic concrete Association of Asphalt automatic recording bituminous concrete Bruce Marshall CHARACTERISTICS OF TEST coarse gradation Cornell University Corps of Engineers CORRELATION RATIO decrease deformation Dense Gradation density Filled With Total heated in air heated in water heating media Height Volume indicates investigation Kofalt laboratory Marshall Apparatus MARSHALL FLOW VALUES Marshall specimens MARSHALL STABILITY Marshall Test Results method MIX ID MIX Mx G Pennsylvania State Highway Percent Voids Unit potentiometer Replication slumping Specific Gravity Specimen Bulk specimens heated stability and flow Stability Asphalt Mix stability values Sub Sub TEST SPECIMENS MIXTURE test temperature testing collars testing procedure Total Weight Stability Tx G Tx G x U. S. Corps UNCORRECTED MARSHALL STABILITY Unit Uncorrected Filled variables variation Voids Unit Uncorrected Volume 21 Weight Stability Asphalt X-Y recorder