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how to calculate twisting moment?
How do I remove a load bearing wall and extend (extension only on one side) the ground floor on a g+1 structure, and what will be the costing of this procedure?
A floor plan should be provided with sections showing column and beam layout. But it will be better if you hire a contractor.
A floor plan should be provided with sections showing column and beam layout. But it will be better if you hire a contractor.
See lessWhat is Castellated Beam? Why we provide it?
The castellated beam is a modified steel beam. In which the beam is cut in the central web portion were no great force is present. Cut near to neutral axis of the beam where we required less amount of material mass to resist various force. The opening shape may be hexagonal, rectangular, circular, eRead more
The castellated beam is a modified steel beam. In which the beam is cut in the central web portion were no great force is present.
Cut near to neutral axis of the beam where we required less amount of material mass to resist various force.
The opening shape may be hexagonal, rectangular, circular, etc.
Due to opening in web we get some benifit
What is the compressive strength of Fe500 rebars?
Hi. I am an architect and I’d like to hear your advise. Can this type of brick bond be used for a load bearing wall? I think that this zigzag form makes the wall stronger, but will it be enough? I ...
In masonary work, we used usually 1:4 cement-sand mortar of compressive strength 3.8N/mm2. The compressive strength of one brick of standard size is 11.12N/mm2. The compressive strength of brick masonry is 2.5 N/mm2. Thanks.
In masonary work, we used usually 1:4 cement-sand mortar of compressive strength 3.8N/mm2.
The compressive strength of one brick of standard size is 11.12N/mm2.
The compressive strength of brick masonry is 2.5 N/mm2.
Thanks.
See lessWhat are the benefits of T-beam in building compare to the ordinary beam?
T-beam is simply rectangular beam cast monolithically with the slab. Advantage os T-beam over ordinary beam:- T-beam casting with slab as we know so Its flange takes compressive stress and that mean It will resist more sagging moment of beam. Depth of beam is reduced as compare to ordinary beam so bRead more
T-beam is simply rectangular beam cast monolithically with the slab.
Advantage os T-beam over ordinary beam:-
See less
How to calculate length of overlap for reinforcement steel?
Lapping of reinforcement is usually done where minimum bending stress is required. In general, lap length is 50d which means 50 times the bar diameter is provided if both bars are of same diameter. Lap length in tension: The lap length including anchorage value of hooks shall be For flexural tensionRead more
Lapping of reinforcement is usually done where minimum bending stress is required. In general, lap length is 50d which means 50 times the bar diameter is provided if both bars are of same diameter.
Lap length in tension:
The lap length including anchorage value of hooks shall be
For flexural tension – Ld or 30d whichever is greater is considered.
For direct tension – 2Ld or 30d whichever is greater is considered.
The straight length of lapping of bars shall not be less than 15d or 20cm.
Lap Length in Compression:
The lap length is equal to the development length calculated in compression but not less than 24d.
For Different Diameter Bars:
When the bars of different diameters are to be spliced, the lap length is calculated considering the smaller diameter bar.
What is the substitute frame method in structural design?
Hi, Substitute frame method is used for the analysis of complex structure I.e multi-storeyed building because analysis of multi-story building is very complicated and long calculations needed. Substitute frame method used for sudden analysis and gives approximate values. The moment distribution methRead more
Hi,
Substitute frame method is used for the analysis of complex structure I.e multi-storeyed building because analysis of multi-story building is very complicated and long calculations needed. Substitute frame method used for sudden analysis and gives approximate values.
The moment distribution method is used for the analysis of applied loads on the structure in the substitute frame method. This method is generally used to determine the vertical loads and horizontal loads. Vertical load is a combination of live load and dead loads
This method is applied only or vertical loads.
Dead loads include self-weight of slab column and beams which is analysed in substitute frame method.
In this method, the beams which are at floor level as well as the columns above the floor and below which are situated at the fixed far end will be e analysed. In some cases the bending moment is not distributed over the far end, thus the moment is computed independently at each floor and retained on that floor for further analysis.
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nikeetasharma
Torsion is the twisting of a beam under the action of a torque (twisting moment). It is systematically applied to screws, nuts, axles, drive shafts etc, and is also generated more randomly under service conditions in car bodies, boat hulls, aircraft fuselages, bridges, springs and many other structuRead more
Torsion is the twisting of a beam under the action of a torque (twisting moment). It is systematically applied to screws, nuts, axles, drive shafts etc, and is also generated more randomly under service conditions in car bodies, boat hulls, aircraft fuselages, bridges, springs and many other structures and components. A torque, T , has the same units (N m) as a bending moment, M . Both are the product of a force and a distance. In the case of a torque, the force is tangential and the distance is the radial distance between this tangent and the axis of rotation.
All torsion problems can be solved using the following formula:
T/J = shear stress/ r = (G * angle)/ L
where:
T = torque or twisting moment, [N×m, lb×in]
See lessJ = polar moment of inertia or polar second moment of area about shaft axis, [m4, in4]
τ = shear stress at outer fibre, [Pa, psi]
r = radius of the shaft, [m, in]
G = modulus of rigidity (PanGlobal and Reed’s) or shear modulus (everybody else), [Pa, psi]
θ = angle of twist, [rad]
L = length of the shaft, [m, in]