1............pilesare preferred in collapsible layer overlaying dense sand.b. Friction b. Bearing c. Wood d. Floatinge. Either a or c2. Offshore platforms are structures which need foundations must be able toresist..........loading.b. uplift b. vertical c. axial d. compressionc. neither a ande. Either a or c3. Steel piles in..............may not be subjected to corrosion.a. swamps b. peat soil c. organic soil d. dry sand soil4. Prestressed concrete piles are usually have..............cross section.a. circularpentagonsb. rectangular5. Open end pile causes........a. highb. noc. square and octagonald. H shape......... displacement.c. either a or bd. very large...................mode.e. Low6. The soil under pile foundations fails mostly ina. general b. local c. punching d. neither b and ce. none of them7. For full mobilization of the point resistance, the pile tip must go through adisplacement of..............the pile diameter.a. (5-10)%b. ((20-30) % c. 3%d. (10-25) %c. 5%8. The usual load in wood piles is ................... Tons.a. (10-20)b. (20-50)c. (30-300)d. (30-120)e. (30-50)9. At similar depths, the unit skin friction of high displacement piles in loosesand is..................low displacement piles.a. lower than b. higher than c. equal to d. neither a and b e. none of them10. The depth in which effective vertical stress of sandy soil becomes constant isa. 10Db. 15Dc. 25Dd. (20-35)De. 5D

1.............piles are preferred in collapsible layer overlaying dense sand. b. Friction b. Bearing c. Wood d. Floating e. Either a or c 2. Offshore platforms are structures which need foundations must be able to resist.............leading. b. uplift b b. vertical c. axial d. compression 3. Steel piles in............may not be subjected to corrosion. e. neither a and d. dry sand soil e. Either a or c a. swamps b. peat soil c. organic soil 4. Prestressed concrete piles are usually have..............cross section. a. circular pentagons b. rectangular c. square and octagonal d. H shape

1.............piles are preferred in collapsible layer overlaying dense sand. b. Friction b. Bearing c. Wood d. Floating e. Either a or c 2. Offshore platforms are structures which need foundations must be able to resist.............leading. b. uplift b b. vertical c. axial d. compression 3. Steel piles in............may not be subjected to corrosion. e. neither a and d. dry sand soil e. Either a or c a. swamps b. peat soil c. organic soil 4. Prestressed concrete piles are usually have..............cross section. a. circular pentagons b. rectangular c. square and octagonal d. H shape

Structural Analysis

6th Edition

ISBN:9781337630931

Author:KASSIMALI, Aslam.

Publisher:KASSIMALI, Aslam.

Chapter2: Loads On Structures

Section: Chapter Questions

Problem 1P

See similar textbooks

Similar questions

1. Minimum design dead load for a 6mm floor fill (sand). a 0.015 kPa b. 0.023 kPaC. 0.0017 kPa D. 00.90 kPa2.The performance characteristics commonly of interest in the design of structures are the following except:a. Stresses B. Deflectionsc. Support Reactions d. Loading Condition 3. These structures are composed of straight members connected at their ends by hinged connections to form a stable configurationa.Rigid Frames b. Beams c. TrussesD. Slabs4. It is the portion of the slab area whose load is carried by a particular member.a. One-way systemb. Two-way system C.Tributary width d. Tributary area5. These are the actions of other bodies on the structure under consideration.a. Internal Forces b. External Forces C.Support Reactions d. Couple Moment
A 4-m simply supported timber beam is to be designed to carry a total uniform load of 10 kN/m including its own weight. The timber is 80% stress grade Apitong. The nominal size of the beam is 200 mm x 260 mm. Before installation, the width and depth are to be reduced by 10 mm. 7a Find the maximumshearing stress. a. 0.50 MPa C. 0.86 MPa 7b. Find the maximum bending stress. a. 12.50 MPa c. 11.20 MPa 7c. Find the maximum deflection. a. 18.43 mm C. 14.50 mm b. 0.63 MPa d. 1.20 MPa b. 8.50 MPa d. 10.11 MPa b. 25.63 mm d. 12.60 mm
For the beam and loading shown, design the cross section of the beam, knowing that the grade of timber used has an allowable normal stress of 13 MPa. (Round the final answer to one decimal place.) 3 kN/m 2.4 m B The required value of b is C 150 mm mm.
Problem-4 b, The A simply supported prestressed concrete beam is of 20 m span. initial stress is 100 MPa The slip in the jack during tensioning has been 4 mm. If Es = 200 GPa, find the loss of prestress due to anchorage slip.
A 6 m simply supported beam having a width of 360 mm and an effective depth of 550mm carries a uniformly distributed service dead load of 21 kN/m and a service live loadof 9.5 kN/m. It has a factored concentrated load of P = 25 kN placed at the middle thirdsof the beam. It is a lightweight concrete with fc’ =21 Mpa, fy = 415 Mpa, and fyt = 275Mpa. Determine the spacing of 10mm diameter bar stirrups between left support and theconcentrated load.
The prestress T-beam section has a simple span of 6 m. The tendons is subjected to an initial stress of 900 MPa with an area of 800 mm?. Assuming a loss of stress of 18%, no tension will be acting at the bottom and a maximum stress of 9.5 MPa at the top should not exceeded. -450 00 800 100 150- Determine the safe uniform live load that the beam could carry if the unit weight of concrete = 24 kN/m?. (kN/m)
The figure below shows a concrete structure (concrete pit) of a canal. Calculate (a) the factor of safety against uplift at the base of the concrete pit (b) the effective stress at the base of the concrete pit. Do the above required calculations for the following two cases: - If the water table is at level (1). - If the water table is at level (2). Hint: [State weather the design is good or not for the above two cases] concrete 24 kN/m² (1) ground level 3.50 5.0 m very long concrete pit Base of concrete pit- (2) T 2.85 1.0 2.0 1.0 3.0 3.0m
The figure below shows a concrete structure (concrete pit) of a canal. Calculate (a) the factor of safety against uplift at the base of the concrete pit (b) the effective stress at the base of the concrete pit. Do the above required calculations for the following two cases: - If the water table is at level (1). -If the water table is at level (2). Hint: [State weather the design is good or not for the above two cases] concrete-24 kN/m² (1) (2) ground level 0.75 3.50 5.0 m very long concrete pit Base of concrete pit- (2) (1) 2.85 1.0 2.0 1.0 3,0 3.0 m
i %TA I. Q O HW#6_Ch... → Prob. 4-140 4.9 4-143. Replace this loading by an equivalent resultant force and specify its location, measured from point O. 6 kN/m 4 kN/m 2 m 1.5 m Prob. 4-143 *4-144. The distribution of soil loading on the bottom of a building slab is shown. Replace this loading by an equivalent resultant force and specify its location, measured from point O. II
60 mm 150 mm 60 mm 300 mm 600 III 60 mm 150 m
A post consists of concrete with 15-20 mm diameter of steel rods. The post is 30 cm in diameter. The limiting stress of the steel is 140 MPa and that of concrete is 15 MPa. What maximum axial load that can be safely carried by the post if Es=200 Gpa and Ec-12 Gpa?
a 4 m А B W2 For the beam and loading shown, if W = 40 kN/m, W2 = 20 kN/m, a = 5 m, and b=8 m. you are required to: %3D a) Determine the value and location (distance from point A) of the equivalent concentrated load for the given distributed load, WI b) Determine the value and location (distance from point A) of the equivalent concentrated load for the given distributed load, W2