2. A piece of wood was cut into 3 pieces as shown below and will form into a l-beam section. Planks 1 will be the top and bottom flange members while the Plank 2 will be the web member. A sample l-beam is shown below. In addition to that, a steel plate will be installed (at the center) at the bottom of the l-beam to ensure its strength. Calculate the I subscript x with bar on top end subscript (Moment of Inertia with respect to centroidal x-axis) of the built section. b top flange h bot flange 3b 3b 8 8 Wp Given o b = 2.1 cm h = 36 cm tp = 0.55 cm wp = 21 cm web 2. 1/14

2. A piece of wood was cut into 3 pieces as shown below and will form into a l-beam section. Planks 1 will be the top and bottom flange members while the Plank 2 will be the web member. A sample l-beam is shown below. In addition to that, a steel plate will be installed (at the center) at the bottom of the l-beam to ensure its strength. Calculate the I subscript x with bar on top end subscript (Moment of Inertia with respect to centroidal x-axis) of the built section. b top flange h bot flange 3b 3b 8 8 Wp Given o b = 2.1 cm h = 36 cm tp = 0.55 cm wp = 21 cm web 2. 1/14

Structural Analysis

6th Edition

ISBN:9781337630931

Author:KASSIMALI, Aslam.

Publisher:KASSIMALI, Aslam.

Chapter2: Loads On Structures

Section: Chapter Questions

Problem 1P

See similar textbooks

Similar questions

The T section shown below is the cross section of a beam form by joining two rectangular pieces of wood together. Determine the shearing stress at the neutral axis. Weight of the beam is negligible.
A wooden beam is fabricated by nailing together three pieces of dimension lumber, as shown. The cross-sectional dimensions of the beam are also shown. The beam must support an internal shear force of V = 750 lb. Assume b1=2.00 in., b2=3.75 in., d1=8.00 in., d2=1.50 in.(a) Determine the maximum horizontal shear stress in the cross section for V = 750 lb. [Answer: 34 psi]
What is the midspan value of EI δ for the beam loaded as shown? Draw fbd.
The rectangular piece of wood, 76 mm by 174 mm, is used as a compression block. The grain of the wood makes a 30.3º angle with the horizontal, as shown in the figure. Determine the shearing stress (in MPa) on the plane of the grain if the allowable compression stress on the plane of the grain is 20.2 MPa. Round off the final answer to four decimal places.
A beam has a T section, and the loads are shown below. Instruments to measure strain are set in points C and D. Determine the value of load P if the strain in point C is +527x10-6 [mm/mm] (elongation), and at point D, it is -73x10-6 [mm/mm] (contraction). The inertia of the section is 2,000 [cm4] and the elastic modulus is 21x103 [kgf/mm2].
The cross section of a continuous one way slab in a building is shown in the figure. The slabs are supported by means of beams that span 3.6 m between simple supports. The dead load on the slab is 3 kPa (besides its own weight) and a live load of 7 kPa. =21 MPa, =276 MPa. Use 20 mm clear cover. Unit weight of concrete = 24 kN/m3.a) Determine the thickness of slabb) Determine the spacing of 16 mm bars at section CDc) Determine the spacing of 16 mm bars at section E.
A cantilever beam with a ‘T’ shaped cross-section is loaded with a distributed load as shown below. The intensity of the distributed load is 100N/mm. b = 6.25mm and c=6.25mm. Parameter Description Value UnitsL Beam length 250 mm a Width of the flange 80 mm d Height of the web 75 mm σ Yield stress 250 MPa You are tasked with ensuring the beam can withstand the applied loading. To do this you must: Create a two-dimensional contour plot of the bending and transverse shear stresses over the length and height of the beam (xy plane). You can use your results above to validate your approach. Note: perform these calculations in a program such as Matlab or Python. Provide the script.
From the beam shown, fc' = 28 MPa, fy = 414 MPa, βh = 1.20, Cc = 40 mm. Take D = 25 mm diameter size. a) Determine the value of maximum spacing
It is obtained by fixing 4 wooden planks to each other with nails.given as a cross section. 2 verticals forming the sectionplank 20 mm X 80 mm, the other two planks 20 mm X 120 mmin size. between the nails fastening the planksthe distance is s = 50 mm. allowed on each nailThe safe cutting force is 300 N. a) What is the highest vertical shear force that the beam can safely carry? b) What is the highest shear stress occurring in the section corresponding to this shear force?
Determine the maximum tensile stress and maximum compressive stress due to the load P acting on the simple beam AB (see figure). Data are as follows: P= 5.4 kN L=3.0 m d=1.2 m b=75 mm t_=25 mm h=100 mm h1=75 mm c1=62.5 mm c2=37.5 mm, and l= 3.3203x10⁶ mm⁴
If possible, answer in 3 decimal places, thank you. For the wood beam shown in Figure A, assume L=1.5 m and P=8 kN. The beam cross section shown in Figure B has dimensions of b=47 mm and d=232 mm. (a) Determine the maximum horizontal shear stress in the beam. (b) If the allowable shear stress for the wood is 800 kPa, what is the minimum width b that is acceptable for this beam? Calculate the reaction forces By and Dy acting on the beam. Positive values for the reactions are indicated by the directions of the red arrows shown for the forces By and Dy on the free-body diagram below. (Note: Since Dx=0, it has been omitted from the free-body diagram.) By= kN Dy= kN Determine the shear forces VA⁢B, VB⁢C, and VC⁢D acting in segments AB, BC, and CD, respectively. Note that the shear force is constant in each of these segments. When entering your answers, use the shear force sign convention. VA⁢B= kN VB⁢C= kN VC⁢D= kN…
For the wooden beam sketched in the figure, ask for the mid-span section. a) Determine the normal stresses at points 1, 2, 3 and 4. (Represent the distribution of normal stresses in the section) b) Check the structural safety in relation to normal stresses. (Adopting γt = 3.2 and γc = 2.5) ADDITIONAL DATA / INFORMATION Characteristic strengths of wood: TENSION: σr,t = 52 MPa COMPRESSION: σr,c = 40 MPa