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TYPES OF BITUMEN - 14070_430
APPENDIX  I REFERENCES USED TO DEVELOP THE TRAMAN - 14070_433

Engineering Aid 1 - Advanced Structural engineering guide book
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Q1. Q2. Table  18-6.—Bituminous  Requirements Open-graded aggregate Rapid-  and  medium-curing  liquid  asphalts  RC-250,  RC-800,  and  MC-3000 Medium-setting asphalt emulsion MS-2 and CMS-2 Well-graded aggregate with little or no material passing the No. 200 sieve Rapid-  and  medium-curing  liquid  asphalts  RC-250,  RC-800,  MC-250,  and MC-800 Slow-curing  liquid  asphalts  SC-250  and  SC-800 Medium-setting and slow-setting asphalt emulsions MS-2, CMS-2, SS-1, and CSS-1 Aggregate with a considerable percentage of fine aggregate and material passing the No. 200 sieve Medium-curing  liquid  asphalts  MC-250  and  MC-800 Slow-curing  liquid  asphalts  SC-250  and  SC-800 Slow-setting asphalt emulsions SS-1, SS-1h, CSS-1, and CSS-1h Medium-setting asphalt emulsions MS-2 and CMS-2 The simplest type of bituminous stabilization is the application of liquid asphalt to the surface of an unbound aggregate road. For this type of operation, the slow- and medium-curing liquid asphalts SC-70, SC-250, MC-70, and MC-250 are used. QUESTIONS Q3. What type or types of additive(s) is/are best to use for  stabilizing  a  soil  that  has  a  PI  of  30  and contains  40-percent  gravel  45-percent  sand,  and 15-percent fines? Q4. For a soil-cement mixture, what type of soil is likely to require the highest cement content? Assume that you are tasked with determining the cement  content  needed  for  a  soil-cement  mixture that will be used for a project located at a Marine Corps camp in South Korea. At a minimum, what laboratory tests will you need to perform? You   are   preparing   to   do   an   unconfined compression  test  on  a  soil-cement  mixture  using a soil that is 40-percent gravel. What compaction mold  should  you  use? 18-9







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