1. Is it important that the joists are installed plumb? (Vertically aligned) What's theproblem with installing them slightly rotated (not plumb)?2. What laterally braces the compression chord of the joist? (Stopping Lateral-torsionalbuckling)3. Which way does the subfloor span? Is it simple span?HARBOURINFLORINGLY 1113 FOR THE CURRE

A joist represents the horizontal beam made up of either wood or metal which is used to support a…

Answered: 1. Is it important that the joists are…

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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2. A 20m Fink Truss are spaced at ‘S’ meters o.c. the purlins are made up of C10X20 sections and are spaced 1.1967m on centers. The truss has a height of 4m. Roof LL is ‘RLL’ N/m2 of roof surface and roof covering is assumed to be ‘RDL’ N/m2 of roof surface. Determine whether the purlins are adequate to carry such loadings. Fy = 248 MPa. C10X20 properties: w=29.76kg/m, A=3787.09mm2, Ix=32.84x106mm4, Iy=1.17x106mm4, Zx=317.91x103mm3, Sx=258.92x103mm3, Zy=44.25x103mm3, Sy=21.47x103mm3 S (m) RLL (N/m^2) RDL (N/m^2) 6.00 900 900 e. Considering sag rods and tie rods at third points, what is the maximum moment about minor axis in N-m? (2 decimal places)
1. A 20m Fink Truss are spaced at ‘S’ meters o.c. the purlins are made up of C10X20 sections and are spaced 1.1967m on centers. The truss has a height of 4m. Roof LL is ‘RLL’ N/m2 of roof surface and roof covering is assumed to be ‘RDL’ N/m2 of roof surface. Determine whether the purlins are adequate to carry such loadings. Fy = 248 MPa. C10X20 properties: w=29.76kg/m, A=3787.09mm2, Ix=32.84x106mm4, Iy=1.17x106mm4, Zx=317.91x103mm3, Sx=258.92x103mm3, Zy=44.25x103mm3, Sy=21.47x103mm3 S (m) RLL (N/m^2) RDL (N/m^2) 6.00 900 900 a. Considering sag rods and tie rods at midspan, what is the maximum moment about major axis in N-m? (2 decimal places) b. Considering sag rods and tie rods at midspan, what is the maximum moment about minor axis in N-m? (2 decimal places) c. Considering sag rods and tie rods at midspan, what is the interaction value for combined moment? (2 decimal places)
1. A 20m Fink Truss are spaced at ‘S’ meters o.c. the purlins are made up of C10X20 sections and are spaced 1.1967m on centers. The truss has a height of 4m. Roof LL is ‘RLL’ N/m2 of roof surface and roof covering is assumed to be ‘RDL’ N/m2 of roof surface. Determine whether the purlins are adequate to carry such loadings. Fy = 248 MPa. C10X20 properties: w=29.76kg/m, A=3787.09mm2, Ix=32.84x106mm4, Iy=1.17x106mm4, Zx=317.91x103mm3, Sx=258.92x103mm3, Zy=44.25x103mm3, Sy=21.47x103mm3 S (m) RLL (N/m^2) RDL (N/m^2) 6.00 900 900 a. Considering sag rods and tie rods at midspan, what is the maximum moment about major axis in N-m? (2 decimal places)
3. A 20m Fink Truss are spaced at ‘S’ meters o.c. the purlins are made up of C10X20 sections and are spaced 1.1967m on centers. The truss has a height of 4m. Roof LL is ‘RLL’ N/m2 of roof surface and roof covering is assumed to be ‘RDL’ N/m2 of roof surface. Determine whether the purlins are adequate to carry such loadings. Fy = 248 MPa. C10X20 properties: w=29.76kg/m, A=3787.09mm2, Ix=32.84x106mm4, Iy=1.17x106mm4, Zx=317.91x103mm3, Sx=258.92x103mm3, Zy=44.25x103mm3, Sy=21.47x103mm3 S (m) RLL (N/m^2) RDL (N/m^2) 6.00 900 900 f. Considering sag rods and tie rods at third points, what is the interaction value for combined moment? (2 decimal places)
3. A 20m Fink Truss are spaced at ‘S’ meters o.c. the purlins are made up of C10X20 sections and are spaced 1.1967m on centers. The truss has a height of 4m. Roof LL is ‘RLL’ N/m2 of roof surface and roof covering is assumed to be ‘RDL’ N/m2 of roof surface. Determine whether the purlins are adequate to carry such loadings. Fy = 248 MPa. C10X20 properties: w=29.76kg/m, A=3787.09mm2, Ix=32.84x106mm4, Iy=1.17x106mm4, Zx=317.91x103mm3, Sx=258.92x103mm3, Zy=44.25x103mm3, Sy=21.47x103mm3 S (m) RLL (N/m^2) RDL (N/m^2) 6.00 900 900 g. Considering sag rods and tie rods at third points, what is the required diameter of sag rods? (rounded value)
Water tank Sth Floor Ath Floor 3rd Floor 2nd Floor 1st Floor Column C1 Ground Floor Figure la. (3D View) Secondary beam Column C1 Activate 1 Go to Settin Figure 1b. (Plan) 6.2 Span L" in metre Height (H1) in metre Live Load on the slab (kN/m2) WKN) E (Concrete) MPa E (Truss) GPa 3.135 7.68 28.00 276 186 Slab thickness in 'mm' 162 4814 Truss Area (mm2) Q2. Moment Distribution Method (Continuous Beam) For continuous beam CDEF. a) Find the degree of Indeterminacy. b) Using Moment Distribution Method, Draw B.M.D and S.F.D and find reactions at all supports.
Hi can you please help with the Truss exercise?
All question pertain to the following floor plan. The floor load is 60 lb/ft2. Ignore the self weight of the members. The building is three stories tall. I- GZ 20 10! C2 I- B1 30' 22
CEE 117 - Third Examination (pac C Meet - CEE 117 (2192) - Thir o x i umindanao.mrooms.net/mod/quiz/attempt.php?attempt=1644233&cmid=755480 New tab Ctrl-T Determine the force in each member of the truss, and state if the members are in tension or New window Ctrl+N compression. New Incognito window Ctrl+Shift+N History Downloads Ctrl+J 600 N Bookmarks Zoom 80% Print. Ctrl+P Cast. Find. Ctrl+F 2 m More tools Edit Cut Copy Paste E Settings 900 N Help Exit b Managed by umindanao.edu.ph 2 m A В 2 m Time left 1:40:06 8:19 AM O 27°C Light rain O 9 ENG 24/09/2021
1. (a) Calculate the tributary area, AT, for column 2A in the 4th floor (i.e. the column supporting the roof) to be used in calculation of total roof live load on column 1A (note that "roof live load" is different than "floor live load"). (b) Calculate the tributary area, AT, for column 1A in the 2nd floor to be used for calculation of floor live load acting on the column. c) Calculate the tributary area, AT, for column 1B in the 1st floor to be used for calculation of floor live load acting on the column. (d) Calculate the influence area, AI, for column 1B in the 1st floor for floor live load. e) For a specified live load of p. = 40 psf, calculate the design floor live load, pz [psf], for column IB in the Ist floor using floor live load reduction from code (if allowed). () Using your answers from (c) through (e), calculate the axial force, P. [kip], acting at the top of column 1B in the Ist floor due to floor live load. (g) If columns are 16 in. x 16 in. in x-sect, typical floor beams…
The prestressed I beam shown in cross section is pre tensioned using seven ordinary strands grade 250 (fpu 1728 MPa) carrying an effective %3D prestress fpe =988 MPa.fpy 1480 MPa %3D -300 0.8Sfc 150 300 440 600 (d-a/2) 300 T=Aps Sps Aps 650 mm2 Total depth of beam = 600 mm Distance from center to tendons to the top of the beam = 440 mm Aps = 650 mm? Average flange thickness 150 mm Width of flange 300 mm !3! Thickness of web 100 mm fc' = 27.6 MPa Determine the depth of compression block. (mm)
F 3. Which of the following heavy timber frames must be buttressed or tied at the base to resist horizontal thrusts? a. Continuous girder b. Arch c. Truss d. Rigid frame or portal frame e. Dome

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1. Is it important that the joists are installed plumb? (Vertically aligned) What's the problem with installing them slightly rotated (not plumb)?