Soilcrete, which material at best and how to place? - Eng-Tips
2011年2月1日 · Soilcrete is normaly a sand soil classify to SM or SW with addition of 3-4% of cement depending on the strength you are looking for. This is done in Soil Laboratory where the mix design is carried out and the mixture is compacted in a mould at specify AASHTO density and tested for UCS.
Help!--How can 100% MOD AASHTO DENSITY be achieved?
2016年3月20日 · One of my job in South Africa ask for 100% mod aashto desity for road subbase, however, the subcontractor said they can't achieve such 100% compaction ratio, no
Stress Distribution beneath a foundation - Eng-Tips
2015年6月27日 · From my understanding of stress distributions, the applied foundation stresse will decrease in the recompacted soils with depth. However, the applied foundation stress will be directly transferred through low strength concrete/soilcrete and the foundation stress will now act directly on the insitu soils beneath the concrete/soilcrete.
Soil-Foundation Friction Angle (Friction Angle for Foundation …
2016年2月29日 · I am trying to get some clarification regarding the Soil-Friction Angle (Friction Angle for Foundation Surface).
Concrete mix - Concrete Engineering general discussion - Eng
2009年10月21日 · Typical 3000 psi mix around here is air entrained: Cement: 517 lbs. Water: 285 lbs. Fine Agg: 1230 ±70 lbs. Coarse Agg: 1700 ±70 lbs. Air Entraining Admixture. For non Air Entrained mix, my notes say you need to add 92 lbs cement and 46 lbs water or a water reducing admixture. WHH47 (Specifier/Regulator)
Geotechnical engineering general discussion - Eng-Tips
2004年2月3日 · thread274-86105. we are proposing to jack a gravity storm drain line between two large diameter gravity sanitary sewer lines (2 - 90 inch above and 1 - 84 inch below). Clearance is limited and invert of storm drain would be about 20 feet below the surface. The material is silty / clayey / sand and deeper than about 25 feet turns to silty ...