In which zone of earthquake map, the Gandhinagar district falls?
II
IV
III
V
In Gravity dam, the _______________ acts in a direction opposite to the acceleration imparted by earthquake forces and is equal to the product of the mass and the acceleration
Inertia force
Hydrodynamic force
Uplift force
Wave pressure
In case of earthquake resistant design of structures, the permissible dimension of hook of a stirrup, as shown in the figure, is
4d
6d
8d
10d
In case of earthquake resistant design
Damage & collapse both are allowed
Damage is not allowed
Collapse is allowed
Damage is allowed but collapse is not allowed
Under which zone, the design for seismic conditions is not mandatory for masonry construction?
The highest magnitude of earthquake recorded on the earth till 2019 is assigned to
2011 Tohoku Earthquake
1964 Great Alaska Earthquake
2004 Sumatra-Andaman Islands Earthquake
1960 Chilean earthquake
Rann of Kutch lies in the seismic zone number
Zone II
Zone III
Zone IV
Zone V
A two-storey building made up of ________________ will experience lesser earthquake forces
RCC buildings with brick walls
Brick Masonry building
Steel frame building with precast walls
Bamboo building
In the context of Earthquake Resistant Design of structures, the distance between the centre of mass and the centre of resistance of floor is termed as
Design eccentricity
Static eccentricity
Seismic eccentricity
Principal eccentricity
Structures built on _______________ will have to withstand greater risk during earthquakes.
In a design of earthquake resistant structure, as per IS 1893-2002 (Part-I) the important factor for hospital building is taken as
1
1.5
2
2.5
As per IS 1893-2002 Part-I, the approximate fundamental natural period of vibration for Moment-resisting frame building without brick infill panels for RC frame building is taken as (with h and d as height and base width of building in m)
Ta = 0.075â‹…h^(0.75)
Ta = 0.075â‹…h^(0.95)
Ta = 0.085â‹…h^(0.70)
None of the above
Seismic refraction method was used for soil exploration of an area and following data was obtained.
Distance from impact point to geophone (m) 15 30 60 90 120
Time to receive wave (s) 0.025 0.05 0.1 0.11 0.12
The seismic velocity in the upper and lower layer in m/s is
700, 4000
800, 3000
600, 3000
600, 2000
As per the Classification of Actions followed by IS:800-2007, Earthquake Loads are considered under
Permanent Actions
Variable Actions
Accidental Actions
Rare Actions
The amount of energy released during the earthquake of Richter Magnitude 5 is approximately ________________ times that of earthquake of Richter Magnitude 3.
