ASTM D698 vs D1557 - Soil testing engineering - Eng-Tips
2024年9月23日 · The D1557 density is about 97.5 percent of the D698 value + 10.75 pounds. In other words, if a soil has a D698 dry density of 100 pounds, the D1557 value would be about …
Proctor Testing Methods - Soil testing engineering | Eng-Tips
2010年10月8日 · ASTM is generally specified for all else. It has nothing to do with material size or source...either would apply for those variables. As for your example, AASHTO T99 has a …
ASTM D-698 or D-1556 Proctor Method 2 - Eng-Tips
2004年1月14日 · BigH has given a good practical approach to deciding applicability that is consistent with many Departments of Transportation requirements...embankment at 95% of …
When to use ASTM D4253 & D4254 - Eng-Tips
2011年1月15日 · For construction QA/QC, use ASTM D698 or ASTM D1557, depending on the type of soil. D698 is often used for fine grained soils (clayey sands, silts, etc.) whereas D1557 …
ASTM D1557-58t ? - Soil testing engineering | Eng-Tips
2013年7月18日 · ASTM D1557-58t ? Thread starter ERC123; Start date Jul 18, 2013; ... ASTM D698 is 3 layers. Replies ...
Oversize Correction for Modified Proctor (D1557) - Eng-Tips
2014年6月5日 · That'd give you a maximum dry density of 137 pcf. That just isn't much water inside a plus 3/4. So, your optimum moisture content would go to 8 or 9 percent. I'd have to …
How is compaction done for fills under slabs in buildings 3 - Eng …
2000年12月23日 · Sandy fill soils are usually compacted to at least 95% of ASTM D1557 (Modified Proctor) density. It is usually desireable to utilize relatively clean, inorganic, non …
100% of ASTM 1557D Proctor???? - Foundation engineering - Eng …
2017年11月6日 · Compact top 24 inches below finished pavement or top 12 inches of subgrades, whichever is greater, to 100 percent of ASTM D1557; compact fill and backfill material to 100 …
Modified Proctor compaction test - Soil mechanics engineering
2016年3月13日 · BigH is correct. Get a copy of ASTM D698 (Standard Proctor) and ASTM D1557 (Modified Proctor) and read them. The Proctor method, commonly used, was developed by …
Field Testing vs Labratory Testing - Soil testing engineering - Eng …
2010年6月15日 · Additionally, there is one other thing to consider when it comes to ASTM D1557 (this is more of a statement/question). When the laboratory is classifying which method to use …