From the given figure determine the safe value of W in KN/m for LRFD and ASD design, base on the given design connection. Neglect the self-weight of the truss and other component. The connection at grid A is pinned and roller for grid B. Assume that all the joints were pinned connection. Disregard the fillet edges of the 50 x 50 x 6mm angle bar. (Note: The bolts coincide along the centroid of the given two angle connection) Both the gusset plates and angles are A36 Steel. Fnv=165Mpa Deformation at the bolt hole at service load is a design consideration. A B 875 775 800 800 525 800 B00 AC0 775 1ämm THK. GUSSET PLATE 3-18m A7 HEX BOLT w WASHER 24 - 50 1 50 x Grm THK. ANGLE BAR TRUSS MEMBER W PRMER PAINT FINISH

Structural Analysis
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ISBN:9781337630931
Author:KASSIMALI, Aslam.
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Chapter2: Loads On Structures
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USE NATIONAL STRUCTURAL CODE OF THE PHILIPPINES 2015

From the given figure determine the safe value of W in KN/m for LRFD and ASD design, base on the
given design connection. Neglect the self-weight of the truss and other component. The connection at grid
A is pinned and roller for grid B. Assume that all the joints were pinned connection. Disregard the fillet
edges of the 50 x 50 x 6mm angle bar. (Note: The bolts coincide along the centroid of the given two angle
connection)
Both the gusset plates and angles are A36 Steel.
Fnv=165Mpa
Deformation at the bolt hole at service load is a design consideration.
A
B
875
775
800
800
525
800
B00
AC0
775
1ämm THK. GUSSET PLATE
3-18m A7 HEX BOLT
w WASHER
24 - 50 1 50 x Grm THK. ANGLE BAR
TRUSS MEMBER W PRMER PAINT FINISH
Transcribed Image Text:From the given figure determine the safe value of W in KN/m for LRFD and ASD design, base on the given design connection. Neglect the self-weight of the truss and other component. The connection at grid A is pinned and roller for grid B. Assume that all the joints were pinned connection. Disregard the fillet edges of the 50 x 50 x 6mm angle bar. (Note: The bolts coincide along the centroid of the given two angle connection) Both the gusset plates and angles are A36 Steel. Fnv=165Mpa Deformation at the bolt hole at service load is a design consideration. A B 875 775 800 800 525 800 B00 AC0 775 1ämm THK. GUSSET PLATE 3-18m A7 HEX BOLT w WASHER 24 - 50 1 50 x Grm THK. ANGLE BAR TRUSS MEMBER W PRMER PAINT FINISH
Expert Solution
Step 1

Given that -    To determine the  net area for the plate shown in figure .

Civil Engineering homework question answer, step 1, image 1

 

(a)   Ag = 2400×14                 = 3360 mm2            11 section    Anet = 240-423.5+2504×50×14              = 2394 mm2     1 -2 section     Anet = 240-3×23.5+5024×50×14             =  2543 mm2    1 -3 section    Anet = 240-4×23.5+2×5024×5014           =   2394 mm2Therefore ,          The smallest of the section is Anet = 2394 mm2

 

 

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