A rectangular channel 5.8 m wide by 1.4 m deep was laid to have a hydraulic slope of 0.001. Using n = 0.013. 1. What is its yield in cubic meter per second? 2. What savings in earth excavation could be realized by using most economical proportion? 3. What savings in lining per meter length could be realized by using most economical proportion?

Q: A hole was made in a stiff saturated soil having a Gs = 2.71 and moisture content of 0.30. The sand…

A: Given Gs = 2.71 w = 0.3 Water level in the hole is 6.3 m

Q: For the section shown in figure. estimate the uniform pressure (4) that the soil can sustain…

A: In half triangle From the Trigonometry  sinθ2=PH=3.696+1.56 θ2=60°θ = 120° So Total Length of Arc…

Q: For rectangular grit removal chamber in a W.W.T.P if hourly flow equals 5000 m^3, DT=1 min. and…

A: GivenQ=5000m3 per hourDT=1min=160hrFind volume:V=Q×DT=5000m3hr×160hr=83.333m3

Q: A saturated silty clay encountered in a deep excavation is found to have a water content of 27.4%.…

A:

Q: Determine the quantity of seepage under the dam in m³/s. The coefficient of permeability of the…

A: Given:Flow net diagramRequired:Quantity of seepage

Q: The lower sand layer in the soil profile shown below is in an artesian condition. Calculate: 2 a)…

A: Given data : It is a multipart problem from Soil Engineering/Mechanics or Geotechnical Engineering.…

Q: (c) A clay layer of 10 m thick with an average bulk unit weight y = 18.5 kN/m³ overlies a sand…

A:

Q: Exploratory drill hole 12m 8m 4.5 m An exploratory drill hole was made in a stiff saturated clay…

A: Given data: w=22%Gs=2.16 water table is 8m above the sand layer.

Q: 1. For the soil system presented below, calculate and draw diagrams of distributions of the total…

A: Answer  We know that effective stress(σ') is given by the difference between the Total stress(σ) and…

Q: Q2) Triaxial un drained tests were performed on clay samples taken from stratum shown below, the…

A: Given:- The triaxial undrained tests were performed on clay samples The results of the tests are:-…

Q: A saturated silty clay encountered in a deep excavation is found to have a water content of 21.7%.…

A:

Q: The lower sand layer sand layer in the soil profile of Figure 3a is in an artesian condition.…

A:

Q: An exploratory drill hole was made in a stiff saturated clay having a moisture content of 38.9% and…

A: Given, w=38.9%Gs=2.34H=20fth=13.8 m

Q: Saturated silty clay encountered in a deep excavation is found to have a water content of 28%.…

A: Using basic relationships

Q: A test well is to be constructed for dewatering purpose in a planned excavation for foundation. The…

A: To draw the spring and decide the boundaries, we first need to comprehend the idea of drawdown,…

Q: 3. In order to determine the equivalent permeability of a site approximately, a colored paint is…

A: Time required to reach from A to B = 100 hours Difference between GWT level A and B, h = 4.6 m

Q: For soil profile shown in figure below, estimate the consolidation settlement due to pla 3m fill…

A:

Q: A rectangular channel 5.2 m wide by 1.4 m deep was laid to have a hydraulic slope of 0.001. Using n…

A:

Q: an open excavation is to be made in the clay, how deep can the excavation Water in the drill hole…

A: ASKED: To determine the depth of excavation before heaving occurs.   Given, Thickness of the clay…

Q: exploratory drill hole was made in a stiff saturated clay (Gs = 2.72, and w = 35%). The sand layer…

A:

Q: Determine the rate of seepage (in cubic feet/min) under the dam by drawing flow net to scale, and…

A: Assuming that : No. of flow channels=4 No. of equipotential lines=8 ΔH=94-68=26 ft

Q: An exploratory drill hole was made in a stiff saturated clay (see Figure 9.9). The sand layer…

A: Solution given next step

Q: A soil sample (sand) obtained from trench has water content of 38%. The specific graavity of solid…

A:

Q: g. how do you remove the sediment from the borehole?

A: This question has been taken from geo technical engineering

Q: 2. For the sample below of a 5 ft radius: a) calculate hydraulic gradients for all three soil…

A: Data given k1 = 0.006 in/sec k2 = 0.003 in/sec k3 = 0.016  in/sec γsat-1 = 115 lb/ft3 γsat-2 = 125…

Q: ATTENTION!!!! PROVIDE A DIFFERENT SOLUTION!!! DO NOT SEND THE SAME SOLUTION EACH TIME!!! YOUR…

A: Yes i will help you understand part B.

Q: In order to determine the equivalent permeability of a site approximately, a colored paint is poured…

A:

Q: An exploratory drill hole was made in a stiff saturated clay having a moisture content of 29% and G=…

A:

Q: Question 05 A horizontal well with measured depth of 16,000 ft. may be approximated as being…

A:

Q: For the conditions show below, calculate the safety factor of the clay against bottom blow-up after…

A:

Q: 9.4 An exploratory drill hole was made in a stiff saturated clay (see Figure 9.9). The sand layer…

A: Objective: To determine the depth of excavation before heaving occurs.   Given, Artesian pressure…

Q: 2. For the sample below of a 5 ft radius: a) calculate hydraulic gradients for all three soil…

A:

Q: Q. 1: A canal of trapezoidal section as shown in figure below is to be excavated through hard clay…

A: Given:- The side slope of the trapezoidal section = 1:2 The discharge of the canal = 10 m3/sec The…

Q: Q1: An embarkment is constructed for an earth dam of 25 m high at a slope of 3:1. The properties of…

A: (1). To determine the factor of safety by the Bishop and Morgenstern method, you would need to…

Q: For a falling-head permeability test, the following are given: length of specimen = 15.1 in., area…

A: A falling head permeability data such as length of specimen, diameter, head falling time, initial…

Q: Q1) B) using the Bingham plastic model determine the pressure losses in the annulus for the…

A: Givenflow rate   Q=300 gpmDrill pipe  ID     d=4.276 inplastic velocity   Pv=25 cpyield point…

Q: Why does the hydraulic radius and shape factor have been developed?

A: Hydraulic Radius: The Hydraulic radius is the ratio of the pore volume to the pore surface area of…

Q: 9.4 An exploratory drill hole was made in a stiff saturated clay (see Figure 9.9). The sand layer…

A:

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.