The maximum and minimum dry specific weights of a given type of sand in the laboratory they are 17.8 and 14.6 kN/mª, respectively. How compact is the field if the relative compactness is 72
Q: Q- Calculate the Poisson's ratio of the bar material if a tensile force of 350 kN is applied to it…
A:
Q: Create a design mix using the ACI DESIGN MIX PROCEDURE with the following parameters: Non-air…
A: Answer Based on the given data we can use below table from ACI 211.1 to obtain the amount of…
Q: A wide-flange section having the dimensions shown in Fig... supports a distributed load of w, lb/ft…
A: First we summarise the given data : To find : Determine the ratio of the max. flexural stress to…
Q: Water flows into a conical vessel at a constant rate of Q cm³/s. The vessel has a height of 18 cm…
A:
Q: The maximum super elevation to be provided on a road curve is 1 in 15. If the rate of change of…
A: Given- Super elevation e=1/15, Rate of change of super elevation N=120, Road width W=10 m. Minimum…
Q: Homework: Determine the displacement and slope of point (C) of the beam shown below. Take E 200 GPa,…
A:
Q: Curve wall ABC is a quarter circle 9 ft. into the paper. Compute the horizontal hydrostatic force on…
A: Given Depth of the wall in to the paper, L=9 ft. Radius of the quarter circle wall, r=5 ft. Volume…
Q: Compute the immediate settlement 4H; using the Schmertmann formula using an average 4q value (qv1 =…
A: Given : qv1 = 233.3 kPa , qv2 = 163.3 kPa , qv3 = 77.0 kPa , qv4 = 44.0 kPa and qv5 = 28.0 Es at…
Q: 3): For the figure shown below. Determine the normal and shear stresses on the plane AB. On what…
A:
Q: Use the 2:1 method to find the average stress increase (49) due to the applied load Q, in the 5-foot…
A: First we summarise the given data : Es = 400 ksf and ν = 0.3 To Find : What is the expected…
Q: List the factors that may affect screening / sieving. (Consider both dry and wet and provide proper…
A: This question is related to the Geotechnical engineering from Civil Engineering. In this question…
Q: 1- Why are there standard specifications for bricks? 2- And what happens if the bricks fail to meet…
A: Reference : ASTM American Society Testing Materials To determine : 1. Standard specifications 2.…
Q: Pipes in Series h₁ 2₁ ● ● = र N EL H.G.L 3 B
A:
Q: The purpose of slaking for lime is to (). A eliminate the destruction caused by over- burnt lime B…
A:
Q: A beam has a width of 200mm and a height of 250mm and is loaded as shown. Write the moment equation…
A: Given data in question Load 28 kN UDL 6 kN/m Span 10 m To find out Moment equation and moment at 3…
Q: 3m 200 m 6kN/m B t
A:
Q: Using method of joints, determine the force in each member of the roof truss shown. State wether…
A:
Q: The radius of a simple curve is half the length of the long chord, what is the angle of…
A: Given, Radius, R = Half of length of long chord, L2 To find : Intersection angle (∆)
Q: Q3: Check the dam in figure below, for stability against overturning and sliding if the coefficient…
A:
Q: 50. What should be the height (m) of a lighthouse, so that it can be visible from a distance of 3…
A:
Q: Sta 23+00 22+00 21+00 20+50 L FX₁ 21.6 0 25.0 F 2.5 20.0 F 5.1 25.2 C 0 C 4.9 0 0 R C 5.8 X₂ C 9.0…
A: The given data is shown below: Base for cut=50 ftBase for fill=30 fts=2:1
Q: Fig. shows a bar LMNP fixed at L and P is subjected to axial force. Find the force in each portion…
A: Given : E = 200 GN/m2 This is a problem of Solid mechanics where we are asked to determine the…
Q: Consider water flow through a pipe 6 m long and internal diameter 300 mm. The head loss due to…
A: Given, L = 6 m D = 300 mm or 0.30 m HL = 6m e = 3 mm
Q: The beam is subjected to a load P at its end. Determine the displacement at C. EI is constant. 64 A…
A:
Q: a helical spring slope of helix ma be assumed small, is required to transmit a maximum pull of 1 kN…
A: To find the number of Coils (n) -
Q: Determine the reactions and draw the shear and bending moment diagrams for the structure shown using…
A:
Q: etermine the minimum sight dista two-lane divided Highway in hilly na 4% descending grade. data as…
A:
Q: For the beam cross-section shown below and for an internal shear force V=150 kips and internal…
A: Given Data V = 150 Kips M = 1400 Kips-in a. Moment of Inertia of the beam about X-axis. b.…
Q: Im 468 kN Im Im 312 kN/m 3m 2m 156 kN/m
A: To find the Support Reactions in the given beam using Moment distribution method Calculating the…
Q: Pipes in Parallel h₁ = Q₁ = ● ● L₁ f₁, D1 f2, D2 L2
A:
Q: An inclined manometer can measure the pressure difference of 200 Pa. The inclined manometer has a…
A: Given: An inclined manometer can measure the pressure difference of 200 Pa. The inclined manometer…
Q: H.W6: 1- discuss the stability and determinacy of the following structure 2- Draw N, V and M…
A: Given: To find: 1. The stability and determinacy of the given frame.
Q: The rigid bar EFG is supported by the truss system shown. Determine the cross-sectional area of…
A:
Q: A rectangular gate of width 5 m and depth 1.5 m is installed to control the discharge as shown in…
A:
Q: A beam has a width of 200mm and a height of 250mm and is loaded as shown. 3m 28KN be de d 8m 6kN/m B…
A:
Q: Fink trusses spaced at 20 feet on centers support W6 x 12 purlins, as shown in Figure The purlins…
A: First we summarise the given data : W 6 X 12 To Find : Design the sag rod and tie rod using LRFD.
Q: The material of a rubber balloon has a Poisson's ratio of 0.5. If uniform pressure is applied to…
A: Given: The material of a rubber balloon has a Poisson's ratio of 0.5. Uniform pressure is applied to…
Q: Please check Elevation for Last point B.
A: Given- It is needed to check the elevation for Last point B.
Q: Using NSCP 2015 and Fy = 50ksi, determine the fcPn and Pn /Qc for the column shown.
A: Answer Let us first obtain the W 8 x 24 and C 10 x 15.3 section properties of given section from…
Q: A solid object with hemispherical bottom floats in a liquid (s = 1.25) with 100 cm projecting above…
A: To determine the draft in a liquid with s = 1.5 m (D2)
Q: A square box beam is made of two x 3.5-in. planks and two × 5-in. planks nailed together as shown.…
A: Given data : Square box beam size - 3/4 X 3.5 inches Plank size = 3/4 X 5 inches S = 2 Shearing…
Q: Looking for expert tutor who can help me with this. SOLVE THE VALUES OF THE REACTION OF THE SUPPORTS…
A:
Q: a. Determine the centroid of the area shown with respect to the indicated X and Y axes. b. Determine…
A: For the given figure, the centroids, moments of inertia about centroidal axes, polar moments of…
Q: A 1.8 kN/m THD Ti C 4kN. -1.6 m-1 m-1.4 m B
A: Reference : Structural Analysis, Computation of reactions, BMD and SFD of beam. Given : A beam with…
Q: Problem 4. Determine the reactions at the supports for the structures shown. a.) b.) 2k/fl MT a.)…
A:
Q: At a point in a stressed material the stress components are: Ox= -30, dyy = 75, T₁ = 72, T - = 40. 0…
A: A ) Given data : To find : Calculate the normal , shear and resultant stresses. A problem of solid…
Q: triangular plate of height h=1.20 m and a base b=2.0 m is submerged vertically in water with its…
A: Given Data a. Evaluate the total force acting on one side of the plate, in kN. b. Obtain the…
Q: A layer of sand 6 m thick lies beneath a clay stratum 5 m thick and above abed thick shale Inorder…
A: A ) Given data : Thickness of sand layer = 6 m Thickness of clay stratum = 5 m Discharge = 0.01…
Q: A water tank is being constructed on a 15 m thick homogeneous sand layer overlying bedrock at a…
A: Answer a) Plot for distribution of pressure with depth under the centre of the tank after the tank…
Q: PROBLEM 1 Determine the reaction forces in the fixed support at A, the pin supports at B and D and…
A: The given problem can be solved by simply using equilibrium equations. As per simple mathematical…
8. The maximum and minimum dry specific weights of a given type of sand
in the laboratory they are 17.8 and 14.6 kN/mª, respectively. How compact is the field if the relative compactness is 72%?
Step by step
Solved in 2 steps with 2 images
- A wet sand sample has a volume of 4.64 x 10-4 m3 and weighs 8N. After oven-drying, the weight reduces to 7.5N. Don't assume the value of Gs.Calculate the following: a. Void ratio b. Degree of saturation.8. The max and min dry unit weights of the sand were determined in the laboratory to be 16.5 kN/m3 and 14.6 kN/m3 respectively. The relative density of compaction in the field of the same sand is 70%. What is the relative compaction? (Ans: 96%) What is the dry unit weight? (Ans: 15.84 kN/m3 ) What is the moist unit weight at a moisture content of 10%. (Ans: 17.42 kN/m3 )6. The maximum dry unit weight determined in the laboratory for a quart sand is 102 lb/ft3. In the field, the relative compaction is 90%. Specific Gravity of Sand is 2.70. Determine the void ratio at the maximum dry unit weight condition. Determine the void ratio of the sand in the field condition. Determine the hydraulic conductivity of the sand in the field condition if the hydraulic conductivity of the sand at the maximum dry unit weight condition is 0.30 cm/sec. Using Kozeny-Carman equation.
- The max and min dry unit weights of sand were determined in the laboratory to be 18.31KN/M3 and 15.25KN/M3 respectively.Determine the dry unit weight in the field if the relative density is 0.64.A certain saturated sand (S = 100%) has a moisture content of 27.9% and a specific gravity of solids of 2.61. It also has a maximum index void ratio of 0.90 and a minimum index void ratio of 0.33. Compute its relative density and classify its consistency. (Table on the right) Solution: Given the values of mmoisture content, specific gravity and degree of saturation, the void ratio can be estiamted as: e = Thus the relative density is found to be Dr = • According to the table, the soil is classified as %; soil. TABLE 3.3 CONSISTENCY OF COARSE-GRAINED SOILS AT VARIOUS RELATIVE DENSITIES (data from Lambe and Whitman, 1969) Relative Density, D,(%) 0-15 15-35 35-65 65-85 85-100 Classification Very loose Loose Medium denseª Dense Very dense "Lambe and Whitman used the term "medium," but "medium dense" is better because "medium" usually refers to the particle size distribution.PROBLEM No. 6 A loose, uncompacted sand fill 6 ft in depth has a relative density of 40%. Laboratory tests indicated that the minimum and maximum void ratios of the sand are 0.46 and 0.90, respectively. The specific gravity of solids of the sand is 2.65. a. What is the void ratio of the sand in natural state? b. What is the dry unit weight of the sand in Ib/ft? If the sand is compacted to a relative density of 75%, what is the decrease in thickness of the 6-ft fill? С. d. What is the final height in ft after compaction?
- 2. A specimen (50 mm diameter and 100 mm height) of moist sand weights 3.31 N. Its dry weight is 3.0 N and the specific gravity of the solids is 2.65. Given the maximum and the minimum void ratio of the sand emax = 1.05 and emin = 0.65, respectively. (a) Determine the relative density of the sand. (b) Calculate the saturated unit weight and the effective (or buoyant) unit weight of the sand. (c) Use your own words to describe the meaning of effective (or buoyant) unit weight of the soil.The maximum and minimum dry unit weights of a sand were determined in the laboratory to be 16.9 kN/m³ and 14.2 kN/m³, respectively. If the field relative density is 82%? Determine The degree of compaction in the field. Field dry unit weight. Field bulk unit weight if the field moisture content is 15%.A certain saturated sand (S = 100,) has a moisture content of 25.1 percent and a specificgravity of solids of 2.68. It also has a maximum index void ratio of 0.84 and a minimum indexvoid ratio of 0.33. Compute its relative density and classify its consistency.
- PROBLEM No. 4 A sample of dry sand having a unit weight of 17.50 kN/m³ and a specific gravity of 2.69 is placed in the rain. During the rain, the volume of the sample remains constant but the degree of saturation increases to 45%. Determine the following: The void ratio of the sample in percent. b. The unit weight of the sample after being in the rain. The water content of the sample after being in the rain. a. С.4- The values of the minimum (emin) and maximum void ratio (emax) for a sample of pure silica sand were found to be 0.42 and 0.67, respectively. The specific gravity of solids (Gs) for the sand is 2.69. a. What is the corresponding range in dry unit weights? b. What is the corresponding range in the saturated unit weights? c. If a relative density (Dr) of 78% is desired, what will be the moisture content associated with full saturation?A wet sand sample has a volume of 4.64 x 10-4 m3 and weighs 8 N. After oven-drying, the weight reduces to 7.5 N. Calculate the water content, void ratio, and degree of saturation.
