Problem 4. Ignoring LR, reduced span, calculate the tributary areas for the following members shown in the partial plan to the right: (a) B1 - typical floor beam, (b) G1 - exterior girder, (c) G2 - interior girder, (d) C3 - corner column, and (e) B2 - interior column. II. Calculate the live load reduction factor (as a percentage) for the following members shown in the partial plan to the right: (f) B2 - interior column (supporting just this floor), (g) B1 - typical floor beam, and (h) G2 - interior girder. A I GI B I I B1 30'- I G2 B2 I- -25'- 3 I I 2 @ 10' 20' = 2 @ 10' = 20" P4

Problem 4. Ignoring LR, reduced span, calculate the tributary areas for the following members shown in the partial plan to the right: (a) B1 - typical floor beam, (b) G1 - exterior girder, (c) G2 - interior girder, (d) C3 - corner column, and (e) B2 - interior column. II. Calculate the live load reduction factor (as a percentage) for the following members shown in the partial plan to the right: (f) B2 - interior column (supporting just this floor), (g) B1 - typical floor beam, and (h) G2 - interior girder. A I GI B I I B1 30'- I G2 B2 I- -25'- 3 I I 2 @ 10' 20' = 2 @ 10' = 20" P4

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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Concept explainers

Design criteria for structural loading

The different loads such as loads due to self-weight (dead load) and external loads such as live load, wind loads, seismic load, snow load, and other loads and load combinations that influence the design of a building are called structural loading. The nature of the applied load differs from changes in the location, design, and type of materials used. The design criteria require that structures must be designed and constructed to be able to withstand all load types that are expected to act upon the structure and render its usage for the designated purpose. The structural members such as beams, slabs, columns, and foundations help the structure to withstand the applied load. There are different institutes such as ASCE and ACI that provide building design codes to assure minimum safety requirements and quality of the structures.

Question

Problem 4.
I. Ignoring LR, reduced span, calculate the tributary
areas for the following members shown in the
partial plan to the right: (a) B1 - typical floor
beam, (b) G1 - exterior girder, (c) G2 - interior
girder, (d) C3 - corner column, and (e) B2 -
interior column.
II.
Calculate the live load reduction factor (as a
percentage) for the following members shown in
the partial plan to the right: (f) B2 - interior
column (supporting just this floor), (g) B1 -
typical floor beam, and (h) G2 - interior girder.
A
I-
GI
B I
C-I-
k
B1
30'
I
G2
I
H
B2
+ -25'
H
-I
4
I
2 @ 10' = 20'
I+
2 @ 10' = 20'
P4

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Step 1: Mention the given data.

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Step 2: (I) Determine the tributary area.

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Step 3: (II) Determine the live load reduction factor.

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Step 4: Determine the live load reduction factor for girder G2.

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Problem 2 Figures on page 3 show the partial framing plan and elevations of a three story steel structure. The floor dead load is 60 psf and the floor live load is 80 psf. The roof dead load is 20 psf and the roof live load is 10 psf. Assume that the stair load is the same as the floor load. Using the LRFD load combinations, find the: (a) (b) (c) (d) (e) Ultimate loading for the beams B-1 through B-9, located on the second level. Ultimate loading for the beams RB-1 through RB-9, located on the roof. Ultimate loading for the girders G-3 through G-5, located on the second level. Ultimate loading for the girders RG-3 through RG-5, located on the roof. Ultimate loading for the columns G-1 through G-3, H-1, and H-2 between the first and second levels. Compare the loading in columns G-3, H-1, and H-2 by adding up the loads transfered to them from the beams and the girders they support, and the tributary areas. Maximum shear and moments for the beams B-2, B-4, G-3, and G-4, on the second…
1. A rectangular beam section is 10 in. wide and has a structural depth of 13.5 in. Reinforcement consists of two No. 8 bars. Given that the strength normal weight concrete is 4000 psi and there is NO shear reinforcement in the section, determine the nominal shear capacity allowed by the ACI Code. (5 pt) (Hint: No web reinforcement, so Vc = 8λ¸^(pw)¹/³√fcbwd shall be used).
Subject is reinforced concrete design please show all steps and solve all parts thank you
1. A rectangular beam section is 10 in. wide and has a structural depth of 13.5 in. Reinforcement consists of two No. 8 bars. Given that the strength normalweight concrete is 4000 psi and there is NO shear reinforcement in the section, determine the nominal shear capacity allowed by the ACI Code. (5 pt) (Hint: No web reinforcement, so Vc = 8λ¸λ(pw)¹/³¸ √ Fcbw d cbwd shall be used).