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Books > Professional & Technical > Civil engineering, surveying & building > Structural engineering > Soil & rock mechanics
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Structural Dynamics in Earthquake and Blast Resistant Design (Hardcover)
Loot Price: R3,455
Discovery Miles 34 550
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Structural Dynamics in Earthquake and Blast Resistant Design (Hardcover)
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Focusing on the fundamentals of structural dynamics required for
earthquake blast resistant design, Structural Dynamics in
Earthquake and Blast Resistant Design initiates a new approach of
blending a little theory with a little practical design in order to
bridge this unfriendly gap, thus making the book more structural
engineer-friendly. This is attempted by introducing the equations
of motion followed by free and forced vibrations of SDF and MDF
systems, D'Alembert's principle, Duhammel's integral, relevant
impulse, pulse and sinusoidal inputs, and, most importantly,
support motion and triangular pulse input required in earthquake
and blast resistant designs, respectively. Responses of multistorey
buildings subjected to earthquake ground motion by a well-known
mode superposition technique are explained. Examples of real-size
structures as they are being designed and constructed using the
popular ETABS and STAAD are shown. Problems encountered in such
designs while following the relevant codes of practice like IS 1893
2016 due to architectural constraints are highlighted. A very
difficult constraint is in avoiding torsional modes in fundamental
and first three modes, the inability to get enough mass
participation, and several others. In blast resistant design the
constraint is to model the blast effects on basement storeys (below
ground level). The problem is in obtaining the attenuation due to
the soil. Examples of inelastic hysteretic systems where top soft
storey plays an important role in expending the input energy,
provided it is not below a stiffer storey (as also required by IS
1893 2016), and inelastic torsional response of structures
asymmetric in plan are illustrated in great detail. In both cases
the concept of ductility is explained in detail. Results of
response spectrum analyses of tall buildings asymmetric in plan
constructed in Bengaluru using ETABS are mentioned. Application of
capacity spectrum is explained and illustrated using ETABS for a
tall building. Research output of retrofitting techniques is
mentioned. Response spectrum analysis using PYTHON is illustrated
with the hope that it could be a less expensive approach as it is
an open source code. A new approach of creating a fictitious
(imaginary) boundary to obtain blast loads on below-ground
structures devised by the author is presented with an example.
Aimed at senior undergraduates and graduates in civil engineering,
earthquake engineering and structural engineering, this book:
Explains in a simple manner the fundamentals of structural dynamics
pertaining to earthquake and blast resistant design Illustrates
seismic resistant designs such as ductile design philosophy and
limit state design with the use of capacity spectrum Discusses
frequency domain analysis and Laplace transform approach in detail
Explains solutions of building frames using software like ETABS and
STAAD Covers numerical simulation using a well-known open source
tool PYTHON
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