Mangaluru prone to earthquakes, says survey

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 12,2020

Bengaluru, Jan 12: Karnataka’s ranking in Niti Aayog’s sustainable development goals (SDG) index rose by one place to No. 6 in 2019, compared to the year before.

Of the 17 SDGs that are used to compute the overall index, Karnataka topped in two – ‘climate action’ and ‘life on water’. The former is a measure of how well a state integrates climate action into policies and strategies and promote mechanisms for raising capacity for effective climate change planning and management. The latter focuses on preventing marine pollution, ending illegal and destructive fishing practices, and sustainably managing and protecting marine and coastal ecosystems.

It also did well in ‘decent work and economic growth’ and ‘peace, justice and strong institutions’. But it fared poorly, slipping 16 places – from No. 5 in 2018 to No. 21 in 2019 – in ‘industry, innovation and infrastructure’. Rankings in ‘quality education’ and ‘zero hunger’ have also fallen. While in education it is now ranked 7, a drop of three places, in ‘zero hunger’, it has dropped to No. 17 from 13. SDG is a United Nations initiative. Niti Aayog has customised it for India, and 36 states and union territories are ranked. The organisation admits there is an issue of data availability in India, indicating the numbers may not exactly reflect the ground situation.

In ‘industry, innovation and infrastructure, Karnataka scored just 40 out of a target of 100. The country average was 65. It failed to achieve targets in all the four parameters for the category, except in the number of mobile connections, where it has 100 connections per 100 population. The biggest dip was in manufacturing industry jobs and in providing allweather roads under Pradhan Mantri Gram Sadak Yojana to targeted habitats. Niti Ayog has given a score of 0 for the latter. Speaking on the dismal performance in the ‘industry and infrastructure’ category, state planning commission vice-chairman BJ Puttaswamy said he was yet to look into this parameter. “I have asked the departments concerned to meet me by Monday,” he said.

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News Network
February 24,2020

Shivamogga, Feb 24: Karnataka Chief Minister B S Yediyurappa on Monday said that he has been invited at the banquet hosted for US President Donald Trump at Rashtrapathi Bhavan on Tuesday, but, he is yet to decide on his presence.

“I have been invited, but I have various engagements and work, let’s see. I have not yet decided on what to do. It is true that I got the invitation,” he told reporters here.

"President of a powerful and rich country like United States of America visiting India is not a normal thing. He (Trump) has said that he personally shares good relationship with Prime Minister Modi and has confidence in him…let’s wait and see", Mr Yediyurappa said in reply to a question.

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News Network
June 18,2020

Bengaluru, Jun 18: Real estate continues to be a preferred asset class for investors amid the uncertainty emerging out of the pandemic, according to a report by National Real Estate Development Council (NAREDCO) and Housing.com.

Titled 'Concerned yet positive - The Indian Real Estate Consumer (April-May 2020)', the report showed that the real estate consumer remains positive with regard to the economic scenario and income stability for the coming six months.

"Real estate (35 per cent) is still perceived as the preferred mode of investment, followed by gold (28 per cent), fixed deposits (22 per cent), stocks (16 per cent) and homebuyers are likely to slowly return to the market in the coming six months," it said.

Price-points of residential realty have remained muted for the past few years, but are still a key deterrent, with the perception of being still unaffordable, according to nearly half of the potential homebuyers surveyed, who are currently staying in rented accommodation.

A majority of respondents surveyed (73%) comprise 'first time homebuyers', who are looking to buy a 'ready-to-move-in-house' for end-use and are from the age group of 25-45 years. While 60% of respondents opined that for the next six months, they would prefer a ready-to-move-in property, 21% said they were okay with a property with a delivery timeline of maximum one year.

The survey was conducted in April and May 2020, through a random sampling technique for a fair representation across regions. The insights presented in the survey represent the view of more than 3,000 potential homebuyers.

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