a. Live Load Reduction b. Determination of wind loads on MWFRS using envelope procedure for low rise structures c. Determination of equivalent static lateral force for earthquake forces on regular buildings using static force procedure

a. Live Load Reduction b. Determination of wind loads on MWFRS using envelope procedure for low rise structures c. Determination of equivalent static lateral force for earthquake forces on regular buildings using static force procedure

Structural Analysis

6th Edition

ISBN:9781337630931

Author:KASSIMALI, Aslam.

Publisher:KASSIMALI, Aslam.

Chapter2: Loads On Structures

Section: Chapter Questions

Problem 1P

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A 30m building has an average height of 3.0m each floor, has a weight of 3,000 KN for each floors and 2,500 KN for the Rooftop. The building use to carry hazardous facilities with the following design parameters. Z = 0.4 Ca= 0.44Na I= 1.25 Cy = 0.96Nv Na= 1.0 R= 8.5 Nv = 1.2 Ct= 0.0731 determine the design shear. determine the shear at the 5th floor. determine the moment at the base.
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A column in the upper story of a residential building is subjected to a compressive load from the following sources: dead load = 35 kN, occupancy live load = 4.8 kN, roof live load = 21 kN, and rain load = 22 kN. 1. If load and resistance factor design is used, compute the factored load to be used in the design of the column. Which NSCP load combination controls? a. ?.?(?+?) b. ?.?(? + ? + ?) + ?.?(? + ?) + ?.?(?? ?? ?) c. ?.?? + ?.?(?? ?? ?) + (??? ?? ?.??) d. ?.?? + ?.?? + ??? + ?.?(?? ?? ?) e. ?.?? + ?.?? + ??? f. ?.?? + ?.?? + ?.?? g. ?.?? + ?.?? + ?.?? 2. What is the value of the required design strength of the column in Item 1? 3. What is the required nominal strength of the column in Item 1 for a resistance factor of 0.90? 4. If allowable strength design is used, compute the required load capacity to be used in the design of the column. Which NSCP load combination controls? a. ? + ? b. ? + ? + ? + ? + ? c. ? + ? + ? + (?? ??…
In the gabled roof structure shown below, determine the sloped roof snow load Ps. The building is heated and is located in a windy area in Boston. Its roof consists of asphalt shingles. The building is used for a manufacturing facility, placing it in a type II occupancy category. Determine the roof slope factor, Cs using the ASCE graph shown below. If roof trusses are spaced at 16 ft on center, what is the uniform snow load along a truss?
Problem 4: An advertising billboard is designed to withstand the bending moment during a peak wind speed of 35 m/s. A 1/18 scale model billboard is to be tested in a water channel. Determine (a) the dimensionless parameters, (b) the channel's water velocity to meet dynamic similarity, and (c) if the bending moment of the billboard is measured as 320 N-m in the water channel, what is the expected bending moment for the prototype during peak winds. Assume the fluid properties are as follows: P air = 1.2 kg/m³, p H20 = 1000 kg/m³, µ air = 1.80-10-5 kg/(m-s), and µ í20 = 1.14 · 10-3 kg/(m:s).
To simplify the load determination, we will assume the Casper Hospital is a 210 ftx162 ft rectangle. The building, as seen in the Typical Braced Frames Showing Story Height document, is 122' 6" tall. Treat internal pressure (qi) as 0. What is the total (windward + leeward) design wind force acting on the hospital in the short direction (i.e the unit vector that is used to describe the short side of the rectangle) when the long side is the windward face? Use the ASCE 7-16 documenta to determine V, Ke, K2, Kzt, Ka, G, C, and I when doing your calculations. Table 27.2-1 in ASCE 7-16 will help guide you through the process. You may use a spread sheet to aid in your calculations as you will have many K, factors for different heights of the building. PLAN VIEW ELEVATION VIEW LEEWARD WINDWARD LEEWARD Short direction 162' 122' 6" Long direction WINDWARD 210 162'
Question 2: For the reinforced concrete structural plan shown in figure, it is required to: > Calculate the design working and ultimate loads for the marked beams B1, B2 and B3. > Design the beam B1. Assume that: Live loads; LL = 2 kN/m², Thickness of the slab=0.12 m, flooring cover = 2 kN/m?. f'. = 21 MPa, f, = 420 MPa. B2 2 2.00 2.50 00 В1 B3 3.50 00'
For the Casper hospital, the weight of each floor is 2500 kips while the roof weighs 2700 kips. The braced frames shown in the Typical Braced Frames Showing Story Height document constitute the dual steel concentrically braced frame for the hospital and allow the Response Modification Coefficient (R) to be 7. The hospital site is classified as Site ClassD for seismic design. T† can be found in ASCE 7-16 Figure 22-14. Calculate the Seismic Base Shear (V) and the lateral equivalent static seismic force (Fr) applied at each story and the roof. Use the ASCE 7-16 document to determine Sps, Ta, Ct, x and I, when doing your calculations. Note that the values in ASCE 7-16 Figure 22-1 need to be divided by 100 to convert from percent to decimal. Alternatively, you can use the Applied Technology Council's Hazards by Location website (https://hazards.atcouncil.org/) but you must still show the calculations by hand. You may use a spread sheet to calculate the force on each floor as the…
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2) You were engaged as a consulting engineer to carry out a structural assessment on an existing reinforced concrete building and encountered a beam with the cross-section shown in Figure 2 below. Non-destructive tests carried out revealed that the material strengths are f = 3000 psi and fy = 60,000 psi. Determine the design moment capacity of this beam section. C.S.Z) (27 in.) (21.5 in.) LE 2 #9 4 # 112 (14 in.) Figure 2
Use the ASCE 7 equations for building vibration period and base shear and calculate the design base shear for the following building. Building information: Building height:Location:Function:Total building weight:Structural system: 160-ft tallSanta Monica, CA (Seismic Design Category E)Hospital (Importance factor, I =1.5)7,400 kipsSteel eccentrically braced frame (R= 8)