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hec-ras results
Bridge replacement project. The results for a 2 yr and 100 yr discharge are 0.1 ft apart. 450 cfs compared to 1200 cfs. How reasonable can this be? The water does overtop the road in a sag. Any hec-ras users out there?- firebird16
- Thread
- Replies: 5
- Forum: Civil/Environmental engineering general discussion
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Applying Tosoil to a Buttress
Fought3: Buttress dimension-length: 120 ft, height: 13-15 ft, built upon l.s. bedrock, 1.5:1 slope, app. 20' width. Adequately designed by others (colleague-competition...) with proper drainage. The undeveloped site is on a hillside lot. Owner wants to build house on downslope. The entire...- firebird16
- Post #4
- Forum: Earth retention engineering
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Applying Tosoil to a Buttress
Gentlemen: The site being developed has a rock buttress on sound bedrock which is retaining a public road. Just below I am making geotechnical recommendations for construction of a home. What objections should I have to applying topsoil over the buttress (for landscaping). Any? I am...- firebird16
- Thread
- Replies: 5
- Forum: Earth retention engineering
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Compaction Factors
Big Rick, When earth is excavated from bank conditions or in-situ it swells, and is now in a loose condition. Swelling is usually expressed as a percentage. After spreading the loose material it is compacted and shrinks. Shrinking is also expressed as a percentage. The amount of shrinkage...- firebird16
- Post #2
- Forum: Earthwork/grading engineering
