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Mangaluru prone to earthquakes, says survey

[email protected] (DHNS)
May 6, 2015

Mangaluru, May 6: According to an experts survey, it has been found that buildings in Bejai-Balmatta, Attavar -Hampankatta, have not adhered to IS 1893 : 2002, Part 1, which is the criteria for earthquake resistant design of structures, NITK?Civil Engineering Department Professor D Venkat Reddy said.

He was delivering a talk on ‘Earth, oceans and coastal zone management’, organised by Institution of Engineers (India) local centre an Institution of Valuers Mangalore Branch in Mangaluru.

mangalurucity

The city falls in seismic zone-3 which means that the quakes of intensity six could occur. The buildings could withstand the earthquakes up to five in the Richter scale. As per Indian Standards on Earthquake Engineering, IS1893:1984 criteria for Earthquake Resistant Design of Structures, the country has been categorised into five seismic zones, based on the seismic intensity. IS is about earthquake resistant design of structures and is applicable to buildings, and other structures such as bridges, dams etc. Earthquakes of magnitude of eight take place in zone five. Nethravathi and Gurupur river basins are tectonically active.

As observed in Nepal, the structural failure of buildings have caused more amount of damage. In contrast, the Pashupathinath Temple is intact, though the building in its surrounding have been badly effected, which is due to the difference in structural pattern.

He further said that seismic waves alone are not responsible . Seismic activities take place round the clock. The earthquakes take place due to the sudden failure of strata. As per an estimation, around one thousand take place across the world everyday and three of them could be serious.

A lineament which is a fault in the underlying geological structure and the constructions on these lineaments such as railway tracks, bridges etc could cause more danger. IIS?has established a network system which records the seismic activities and which can even record 0.1 mm change in the crest of the earth. As per the movement of earth plates, a region will be displaced in a span of hundred years.

Comments

Arjun Neil Menezes
 - 
Tuesday, 20 Feb 2018

I'm building a 1story house with slab on load bearing walls instead of the concrete frame structure. Will this be resistant agaianst earthquakes?

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News Network
January 11,2020

Bengaluru, Jan 11: The Chief Justice of India Justice Sharad Arvind Bobde on Saturday inaugurated the phase-1 of the new building of the Karnataka Judicial Academy on Crescent Road in Bengaluru.

The new building has three floors, besides, the ground floor and two basement floors.

While Chief Minister B S Yediyurappa inaugurated the 319-seater multi-purpose auditorium, at which Chief Justice of the High Court of Karnataka Justice Abhay Shreeniwas Oka felicitated Justice Bobde.

Justice Ravi Malimath, President of the Karnataka Judicial Academy and Judge of the High Court of Karnataka, in his welcome address said that the academy has so far trained as many as 4000 judicial officers and striving for excellence in the field of judiciary.

The building, built in the first phase, has parking in the lower and the upper basement, which can accommodate 44 cars and 124 two-wheelers, the ground floor consists of a 319-seater multi-purpose air-conditioned auditorium, a lecture hall with 84 seats, two lecture halls with 40 seats each and a VIP lounge. The First Floor has a lecture hall with 84 seats, two lecture halls with 40 seats each, a VIP lounge, two discussion rooms and an administrative office for the staff of the academy.

The second phase, to be built has a parking facility for 36 four-wheelers and 22 two-wheelers in the lower basement and 32 four-wheelers and 30 two-wheelers in the upper basement.

The total cost of the project, including Phase-1 and Phase-2, to be executed by the Public Works Department in the sprawling 2.2 acres plot of the Karnataka Judicial Academy is around Rs 96.02 Crore.

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News Network
June 24,2020

Bengaluru, Jun 24:  Karnataka on Wednesday reported 397 new coronavirus positive cases, taking the total number of positive cases to 10,118.

According to the State Health Department, with 14 more deaths today, the state's toll has reached 164. While, 6,151 people have been discharged so far.

Hundred per cent of Community Health Centres, 50 per cent of Primary Health Centres and Urban Primary Health Centres will be converted as exclusive 'fever clinics' to screen fever cases for influenza-like illness (ILI)/severe acute respiratory infections (SARI), Karnataka Health Department said.

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News Network
April 4,2020

Bengaluru, Apr 4: Chief Minister BS Yediyurappa on Friday asked Primary and Secondary Education Minister S Suresh Kumar to be the government's spokesperson on the Novel Coronavirus crisis management effort, a move that is being seen as keeping too many cooks from spoiling the broth.

At a high-level meeting to review measures on COVID-19 containment, Mr Yediyurappa is said to have taken exception to his Cabinet colleagues making multiple, and often contradictory statements, leading to confusion.

''The CM has directed Mr Kumar to be the only one to brief the media on COVID-19,'' a source from the Chief Minister's Office (CMO) confirmed.

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