Answered: Problem 1 [Required]: The following is…

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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The following is a floor plan for a 1200 sq ft reading room in a library (you can find the loading from the ASCE building load handout). The concrete columns are 25 ft in length and have an elastic modulus (E) of 3370 ksi. The concrete slab (γ = 150 pcf) is 7 inches thick. The beams which are directly supported by the columns are steel W18x86 sections. NOTE: Clearly the floor plan below is not drawn to scale.

(a) Does this system represent one way or two way slab loading?

(b) Calculate and draw the loading on beams A-C and B-C (include the self-weight of the beam)[answer in lbs/ft or kips/ft]

(c) Draw the shear and bending moment diagram of beams A-C and B-C (assuming simply supported end conditions). Label moment and shear at the ends and midspan of the beam.

(d) Calculate the loading demand on column C (neglect the self-weight of the columns) [answer in lbs or kips] NOTE: You can ignorethe reduced live load factor given in equation 1-1 ofthe textbook even though this column would satisfy KLLAT> 400 ft^2.

(e) Will column C buckle if the ends are pinned(k = 1.0)?

(f) If the deflection limits set forth by the ASCE building code are [in]less than L/360, does beam B-C pass? (note: Esteel= 29,000 ksi, Ix,beam= 1530 in^4)

Problem 1 [Required]: The following is a floor plan for a 1200 są ft reading room in a library
(you can find the loading from the ASCE building load handout). The concrete columns are 25
ft in length and have an elastic modulus (E) of 3370 ksi. The concrete slab (y = 150 pcf) is 7
inches thick. The beams which are directly supported by the columns are steel W18x86 sections.
NOTE: Clearly the floor plan below is not drawn to scale.
w18x86
W18x86
W18x86
30 ft
W18x86
W18x86
30 ft
W18x86
10 ft
10 ft
12"
8"
Column C

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