Foundation and Retaining Wall Design3 Decimal Places 2. A reinforced concrete square footing supports a 450mm square column at its center. Given the following data:Column service dead load = 910kNColumn service live load = 650kNDepth of footing = 1.2mThickness of the footing = 550mEffective depth = 450mmAllowable soil bearing pressure = 281kPaConcrete strength, fc' = 21MPaSteel yield strength, fy = 275MPaUnit weight of concrete, yc = 23.5kN/cu.mUnit weight of soil, ys = 18.5kN/cu.ma. What is the required size of footing?b. What is the factored shear at critical section for wide beam shear?c. What is the factored shear at critical section for punching shear?d. What is the factored moment at critical section moment?e. What is the ultimate punching shear strength?

a. Required size of footing:We need to ensure that the applied loads (both dead and live loads) are…

Answered: Foundation and Retaining Wall Design 3…

Engineering

Civil Engineering

Foundation and Retaining Wall Design 3 Decimal Places

Principles of Geotechnical Engineering (MindTap Course List)

9th Edition

ISBN:9781305970939

Author:Braja M. Das, Khaled Sobhan

Publisher:Braja M. Das, Khaled Sobhan

Chapter16: Soil Bearing Capacity For Shallow Foundations

Section: Chapter Questions

Problem 16.5P: Redo Problem 16.1 using the modified general ultimate bearing capacity Eq. (16.31). 16.1 A...

See similar textbooks

Related questions

Q: A double bolted lap joint in used to connect two plates of 10 mm thickness using M20 bolt of grade…

A: Joint:Type: Double bolted lap jointPlate thickness: 10 mmBolt:Grade: M20Material: 4.6 (assumed to be…

Q: The assembly shown in the figure is developed to measure the temperature change. Assume that the…

Q: A plane truss is shown in figure. All the members of the planar truss have the same properties in…

A: For a plane truss,area of cross-section (A)and modulus of elasticity (E)The maximum axial force that…

Q: DS D1 Consider a 7-story buildings with a total plan area BxL. In which B=125ft and L=60ft. The…

Q: 4.76 A beam of the cross section shown is made of a steel that is assumed to be elastoplastic with E…

Q: What is a Notice to Proceed?

A: The objective of the question is to understand the concept of a 'Notice to Proceed' in the context…

Q: 8. The upper portion of an inverted U-tube is filled with oil having a pecific gravity of 0.98. The…

A: Determine the pressure difference (PB - PA).

Q: Name 3 major stages in Design phase of a construction project

A: The objective of this question is to identify and describe the three major stages in the design…

Q: D 7.0m. 2.0m Yt = 16.5 kN/m³ $' = 30° Loose sand fill: Yt = 19.5 kN/m3 $' = 30° Dense sand: Yt = 21…

A: The surcharge is equal to 10 KPa.Unit weight of water = 10 KN/m³for loose sand = 0.3 and for dense…

Q: Draw the Shear Force and Bending Moment diagrams for the two beams showing the values and the…

A: The free body diagram of the beam is shown below.( note: As the question has two numbers, first has…

Q: The peak of flood hydrograph due to a 3-hr duration of isolated storm in a catchment is 270 m³/s.…

A: 1. Peak of flood hydrograph: 2. Duration of isolated storm: 3 hours3. Total depth of rainfall: 6…

Q: A thin rectangular plate having the dimensions of a -20 mm and b-12 mm is acted upon by a stress…

A: A rectangular plate given asThe resulting strain Need to findChange in length in diagonal AC and QB

Q: In a deposit of normally consolidated dry sand, a cone pen- etration test was conducted. Following…

A: Given Data:The dry unit weight of sand is, To Determine:The average peak friction angle for the…

Q: 6. A boat having a mass of 80 Mg rests on the bottom of the lake and displaces 10.25 m3 of water.…

Q: At full draw, an anchor applies a pull of 130 N to the bowstring of the bow as shown in the figure.…

A: Ans1)Pull=130KnThe diagram is given below-

Q: A 30 cm diameter pile is driven 10 m deep into a homogeneous consolidated clay deposit. The safe…

Q: A r 2m + d 300N B B 3m 307 M-1500Nm For the above diagram, given that F₁ = 800 N, w = 400 N/m and d…

A: Determine the magnitude of the reaction force.

Q: 1.1 A simply supported beam with span of 6 m carry a dead load of 15kN/m and live load of 10kN/m.…

A: Consider the given data:Width b = Total depth h = Tension steel area As = mm diaConcrete cover =…

Q: A wooden bar beam arrangement is shown in the figure. The beam is formed by nailing wooden bar and…

A: For a wooden bar beam arrangementThe beam is formed by nailing wooden bar and each nailshearing…

Q: In building contract documents, what are main differences between General Conditions and…

A: The objective of the question is to understand the differences between General Conditions and…

Q: Determine the Cb for beam: Solve for Reaction forces, Mmax (moment and shear diagram), and then Cb.…

A: As beam is symmetrical about center. so the equal load will be transferred to support reactions.…

Q: 13-7 A long strip footing 1.25 m wide is used to sup- port the perimeter masonry bearing walls for a…

A: The given data is shown below:

Q: How can architectural acoustics be incorporated into the design process to provide rooms that are…

A: Question related to the building construction Let's discuss the How can architectural acoustics be…

Q: Q/In the given figure, a horizontal rigid is supported by a pin connection at point A and an axial…

Q: USE LRFD with 3 decimal places

A: The objective of the question is to calculate the spacing (pitch S) so that only two holes for 16mm…

Q: Base on the Images provided of the 2023 Turkey Earthquake: 7.8 Magnitude and other data on the…

A: The Turkey earthquake magnitude on the reactor scale of 7.8Need to findA. what causes the buildings…

Q: Calculate maximum deflection of the concrete beams Check the suitability of the section assuming…

A: The objective of the question is to calculate the maximum deflection of a concrete beam under a…

Q: In Fig. A, what is the height z if fluid A is water, fluid B is mercury, the gage pressure at m is…

A: Solution as follows.Explanation:

Q: 5 kN 2 m 16 KN 2 m 8 kN + 2 m 2 m B

Q: Infiltration from Precipitation: With an average annual precipitation of 300 mm, 30% of which…

A: Total water infiltrated per year (litres) == Area * annual average precipitation * 30% * 1000= 36…

Q: An overhang beam is given in the figure. Which of the following bending moment is correct for the…

A: For a given overhang beam, as shown below,To check which is correct bending moment out of 4 options

Q: 2. Select the most economical (lightest) W sections of A572 Gr. 50 steel. The beam is braced at ends…

A: A572 Gr. 50 steelLb = 15'WDL = 3 klfWLL = 1 klf

Q: A cut is to be made in pure clay having cohesion of 40 kN/m². The unit weight of soil is 20 kN/m³.…

A: 1. Cohesion of pure clay: 40 kN/m²2. Unit weight of the soil: 20 kN/m³3. Side slope of the cut: 1.5H…

Q: (a) Calculate the forecasted number of trips for each combination of the number of persons per…

Q: 4. Two W14x43 wide flange shapes are spliced by flange plates as shown below. The bolts are 7/8" in…

A: The objective of the question is to determine the design strength of the splice between two W14x43…

Q: Prepare a excel worksheet to calculate the generation model by regression analysis.

Q: 4 e 10 kip lateral force is centered in the building or plan. What is the lateral force in Wall B?…

Q: Q Put a Circle around the CORRECT Answer. 1- If the secondary open drain collects water flow from 31…

A: Multiple choice questions are given. We need to make correct choice

Q: From the data given in the following table, find the volume of water required for a 100 ha area in…

A: As per question,To find the volume of water required for a 100 haarea in terms of Mm3

Q: A system of rapid sand filters are designed to cater to a population of average demand of 200lpcd.…

Q: The Atterberg limits of a soil sample are: Liquid limit, w = 50% Plastic limit, w = 30% P Shrinkage…

Q: for you, will you hit the lead vehicle? If so at what speed will you be going?

A: V = 70 mph L = 20 ft t = 1.5 secf=0.28one car length spacing for each 10 mphNeed to find

Q: a) Determine the ultimate moment capacity of the section if lateral support provided at the ends…

A: beam section fy = 345 Mpaloading = factored loadingother data present in the figureNeed to find1-…

Q: A weight, with an unknown mass, falls through a distance of 10 millimeters (mm) onto a collar…

A: A weight falls through 10 mm on a collar attached to the lower end of a vertical bar.The bar is 3…

Q: A cut is to be made in clay for which the cohesion is 40 kN/m² and = 0. The maximum safe depth of…

Q: using the same data can the axial and shear forces be calculated at B.

Q: A uniform elastic rod of length 4L and constant cross-section, is fixed at its left end as shown in…

A: For an uniform elastic rod of constant cross section,Length : 4LAn axial force P is acting at the…

Q: A composite drive shaft is made up of two sections: a solid steel core and a brass tube encasing the…

A: A composite shaft made of brass and steel.The diameter of the steel part is 80 mm.The diameter of…

Q: Assuming that the quantities of solid wastes generated daily at a commercial facility are…

Q: A vertical curve is to be placed through sta 81+50 at an elevation of 638.42 ft. The grade into the…

A: STAP = Stationing of point P = 81+50ELEP = Elevation of point P = 638.42 ftg1 = -3.6% , g2 =…

Question

Foundation and Retaining Wall Design

3 Decimal Places

2. A reinforced concrete square footing supports a 450mm square column at its center. Given the following data:
Column service dead load = 910kN
Column service live load = 650kN
Depth of footing = 1.2m
Thickness of the footing = 550m
Effective depth = 450mm
Allowable soil bearing pressure = 281kPa
Concrete strength, fc' = 21MPa
Steel yield strength, fy = 275MPa
Unit weight of concrete, yc = 23.5kN/cu.m
Unit weight of soil, ys = 18.5kN/cu.m
a. What is the required size of footing?
b. What is the factored shear at critical section for wide beam shear?
c. What is the factored shear at critical section for punching shear?
d. What is the factored moment at critical section moment?
e. What is the ultimate punching shear strength?

Expert Solution

This question has been solved!

Explore an expertly crafted, step-by-step solution for a thorough understanding of key concepts.

SEE SOLUTION Check out a sample Q&A here

Step 1: a. Required size of footing:

VIEW

Step 2: b. Factored shear at critical section for wide beam shear:

VIEW

Step 3: c. Factored shear at critical section for punching shear:

VIEW

Step 4: e. Ultimate punching shear strength:

VIEW

Solution

VIEW

Step by step

Solved in 5 steps with 31 images

SEE SOLUTION Check out a sample Q&A here

Knowledge Booster

Learn more about

Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, civil-engineering and related others by exploring similar questions and additional content below.

Similar questions

A 2.0 m 2.0 m square pad footing will be placed in a normally consolidated clay soil to carry a column load Q. The depth of the footing is 1.0 m. The soil parameters are: c = 0, = 26, = 19 kN/m3, and cu = 60 kN/m2. Determine the maximum possible value for Q, considering short-term and long-term stability of the footing.
Redo Problem 16.2 using the modified general ultimate bearing capacity Eq. (16.31). 16.1 A continuous footing is shown in Figure 16.17. Using Terzaghis bearing capacity factors, determine the gross allowable load per unit area (qall) that the footing can carry. Assume general shear failure. Given: = 19 kN/m3, c = 31kN/m2, =28, Df = 1.5 m, B = 2 m, and factor of safety = 3.5. Figure 16.17 6.2 Refer to Problem 16.1. If a square footing with dimension 2 m 2 m is used instead of the wall footing, what would be the allowable bearing capacity?
Redo Problem 16.1 using the modified general ultimate bearing capacity Eq. (16.31). 16.1 A continuous footing is shown in Figure 16.17. Using Terzaghis bearing capacity factors, determine the gross allowable load per unit area (qall) that the footing can carry. Assume general shear failure. Given: = 19 kN/m3, c = 31kN/m2, =28, Df = 1.5 m, B = 2 m, and factor of safety = 3.5. Figure 16.17
A flexible circular footing of radius R carries a uniform pressure q. Find the depth (in terms of R) at which the vertical stress below the center is 20% of q.
2 m 3m 75 EV 1 m A The footing plan is shown loaded uniformly in a rectangular area. What is the value of the increase of stress of the second or loaded area (Aσ₂) to be subtracted?
An eccentric footing shown has the following loads which acts on the center of the column: Pdl=400 kN Pll=650 kN Thickness of footing is 400mm f'c= 29 MPa; fy =420 MPa db=20mm Calculate the following: 1. The minimum and maximum soil pressure due to service loads 2. The minimum and maximum soil pressure due to factored loads
A spread footing supported on a sandy soil has been designed using ASD to support a certaincolumn load with a factor of safety of 2.5 against a bearing capacity failure. However, there issome uncertainty in both the column load, P, and the friction angle, f. Which would have thegreatest impact on the actual factor of safety: an actual P that is twice the design value, or actualf that is half the design value? Use bearing capacity computations with reasonable assumedvalues to demonstrate the reason for your response.
a square footing with a size of 10 ft by 10 ft is located 8ft below the ground surface. the subsoil consists of a thick deposit of stiff cohesive soil with an unconfined compressive strength equal to 3600lb/ft2. The soils units weight is 128lb/ft3. calculate the ultimate bearing capacity.
A column load of 72 kips is applied to the 6 ft by 8 ft rectangular concrete footing shown below. The groundwater table is 2 ft deep. The soil profile and properties are shown below. The required minimum factor of safety against bearing capacity failure is 2.5. Is the current foundation design acceptable? Use Vesic’s bearing capacity formula 1a. Intermediate calculation: compute the ultimate bearing capacity, qult, in units of psf. 1b. Intermediate calculation: compute the applied bearing pressure, q, in units of psf. 1c. Final calculation: compute the factor of safety (FS) against bearing capacity failure.
A 60 kip column is supported on a square footing with a length and base of 4 ft. Using the 2:1 Method, what is the increase in vertical stress (Ao₂) at a depth of 5 ft below the footing? O 3750 psf O 740 psf 625 psf O 400 psf
Problem 2. A rectangular footing supports a square column concentrically. Given: Footing Dimensions: 3.0m wide x 4.5m long and 0.75m depth Column Dimensions: 0.40m x 0.40m Concrete, fc’ = 21MPa Steel, fy = 275MPa Concrete cover to the centroid of steel reinforcements = 110mm Unit weight of concrete = 23.5kN/m3 Unit weight of soil = 16kN/m3 Determine the concentrated load that the footing can carry based on beam action. Calculate the concentrated load that the footing can carry based on two-way action. If the allowable soil pressure at service loads is 200kPa, what column axial load (unfactored) in kN can the footing carry if depth of earth fill is 2.0m above the footing?
15 - The undrained strength of a saturated clay sample is 27 KPa If a square footing of size 4 m x 4 m is resting on the surface of a deposit of the above clay, the ultimate bearing capacity of the footing (as per Terzaghi's equation) is a) O 108 kPa b) 315 kPa 200 kPa d) 54 kPa Boş bırak