Problem 3: Calculate the Dry Unit Weight for the five samples of soil below then graph them in the space provided and determine the maximum dry unit weight and its corresponding moisture content. BONUS: If a project requires at least 93% compaction in the soil under the footing, what range of water contents will be acceptable to achieve desired compaction/dry unit weight? Dry Unit Weight (lbs/ft³) 120 119 118 117 116 115 114 113 112 111 110 109 0 Weight (lbs) Compacted Samples of Soil Unit Dry Unit Weight Weight (lbs/ft³) (lbs/ft³) Volume (ft³) 3.94 0.033333 4.32 0.033333 4.44 0.033333 4.45 0.033333 4.41 0.033333 5 Water Content Compaction Results for Soil Samples 10 15 Moisture Content (%) 5% 10% 12.50% 15% 20% 20 25

Q: Following the sieve analysis and the specific gravity of "SAND 1", a hydrometer test was performed…

A: The hydrometer test is used to determine the distribution of soil particle sizes that are smaller…

Q: Determine D10, D30, D60, Cu and Cc of the following soils.

A: Soil A Soil B Soil C sieve No. sieve size in mm % finer % finer % finer 4 4.75 84.231 100…

Q: L II. Percentage of clay, silt, sand and Gravel in the soil sample Uniformity coefficient and…

A: Answer Let us first calculate the % finer and draw the grain size distribution curve Example for…

Q: Calculate the coefficient of gradation, Cc. ? Classify the soil by AASHTO and USCS system. (LL = 30,…

A:

Q: 16. The results for sieve analysis is shown in the following table: Sieve No. 4 10 20 40 60 100 200…

A:

Q: A Proctor test was performed on a soil. For the water content and total wet density data below: a.…

A: Tabulate the water content and wet density.Water content (%)Wet density…

Q: The soil is classified as using the USCS method

A:

Q: 2.2 U.S. sieve no. 4 10 20 40 60 80 100 200 Pan Mass of soil retained (g) 0 44 56 82 51 106 92 85 35…

A: Sieve analysis is given for a soil. The particle size distribution curve can be drawn for the soil…

Q: find the type of given soil data if LL = 20, PL=15 1- by AASHTO method 2- by Unified method sieve…

A: Certainly! Here's the answer rephrased in another way:---Step 1  Here is the revised answer with all…

Q: Problem 1: 0.48mm, D30 0.25mm, and D10 For a gravel with D60 coefficient and the coefficient of…

A: The uniformity coefficient is given as:The coefficient of gradation is given as:Considered together,…

Q: Classify the following soils by using the Unified soil classification system. Give the group symbols…

A: "Thank you for posting the question. As per our honor code we are supposed to solve the first three…

Q: For a soil specimen, given the following: % passing sieve #4 - 92%, sieve # 10 - 81%, sieve #40=78%,…

A: %passing sieve #4 = 92%%passing sieve #10 = 81%%passing sieve #40 = 78%LL = 48%PL = 16%GI = 18.2

Q: PLASTICITY INDEX (PI) What soil type corresponds to the information shown below if the PL is 15.…

A:

Q: 4. Classify the soil according to AASHTO. Describe the steps. Percent passing sieve No. 10, F₁0 =…

A: Percentage passing sieve No. 10, F10 = 80% Percentage passing sieve No. 40, F40 = 60% Percentage…

Q: Classify a soil with 30% clay, 15% silt, 32% sand, and 23% gravel. 100 90, 10 80 20 70 30 Clay 60 40…

A: Consider the given situation and graph The soil is 30% clay, 15% slit, 32% sand and 23% gravel

Pricing Excavation and Backfill

Backfill, in construction, is the activity of returning the soil and gravel that are removed during building construction or using them again to toughen and support the foundation of the building or any other structural component.