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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
April 19,2020

Bengaluru, Apr 19:  Karnataka's Technical Education department following Union Home Ministry’s guidelines, on Sunday directed all its colleges not to use the Zoom application to conduct online classes during the ongoing lockdown period.

Considering Union Home Ministry's advisory that Zoom app is not safe, the department has taken the decision and issued a circular asking all government, aided and unaided engineering, polytechnic (Diploma) colleges to stop using the app immediately.

The department recommended the use of a free app developed by TCS: "TCS iON Digital class room" or any other App recommended by All India Council for Technical Education (AICTE) to conduct the online classes.

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News Network
July 27,2020

Bengaluru, Jul 27: Former Karnataka Chief Minister HD Kumaraswamy said that when COVID-19 has made life and livelihoods difficult, it is unfortunate that charges have been levelled of irregularities in the procurement of COVID-19 equipment.

"The Congress which has levelled charges against the ruling BJP has not so far filed a complaint with any investigating agency. Instead, the Congress has limited itself to getting publicity. On the other hand, the ruling BJP instead of coming clean by ordering a probe into the main charges is indirectly admitting the scam," Kumaraswamy said on Sunday.

"By washing dirty linen in public, both the Congress and the BJP are playing a cruel joke on people instead of protecting their lives," he said.

Hitting out at the BJP, he asked, "Why is it that the BJP is not ordering an investigation into the Rs 2,000 crore Covid 19 corruption charges levelled against the government by the Congress? Why is the government keeping quiet on the corruption charges?"

He said, "Is this the leadership provided by Chief Minister BS Yediyurappa? There could be political pressure on seeking resignation of his Ministers. But why has no action been initiated against any officers? Is there any effort to destroy the evidence by retaining officers in their existing postings?"

"Hunger for publicity is evident when we look at the press conference by five Ministers at a time," he said.

The government has countered the charges of the Congress but backtracked on ordering an investigation, he said.

"Would this not give rise to suspicion that the government is involved in the scam?" he asked.

He also asked why Congress leaders have not filed a complaint before any investigating agency despite "possessing documents to prove the charges".

"Are the Congress leaders trying to get publicity or are they concerned about the welfare of the people? The Congress Legislative Party leader is seeking an account (Lekka Kodi) while the BJP president is seeking answers (Uttara Kodi). Is it enough to give such questions and answers?"

Is there a concrete legal plan to deal with the irregularities? he asked.

"Looking at the way the Congress leaders have addressed media conferences and taken to social media campaigns, it appears that they are trying to get publicity," he said.

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News Network
April 16,2020

Hubballi, Apr 16: Police have seized a vehicle carrying nine members of a family from Dharwad for misusing the travel pass issued by the district administration in Narendra Village and sent them for Quarantine.

Deputy SP Ravi Nayak and his team stopped the vehicle at Narendra village, in the outskirts of the city and found out that they were from Uppina Betagiri village returning from a wedding function using government pass issued for medical reasons.

The police seized the vehicle and sent them to KIMS hospital for a medical check-up. Their swab samples have been collected and sent for testing. The police have asked them to go for a compulsory home quarantine for 14 days.

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