Building Materials

Order of the National Green Tribunal regarding sinking of Liberian ship off the Kochi coast, Kerala, 27/05/2025

Order of the National Green Tribunal in the matter of News Item titled "Containers from sunken ship likely to drift towards Alappuzha, Kollam Coasts in 48 hours: INCOIS" appearing in The Hindu dated 25.05.2025 dated 27/05/2025. The original application was registered suo-motu on the basis of the news item titled …

Rajasthan`s <i>kund</i>s get undesirable makeover

People in Rajasthan's Churu district have to make do with an annual rainfall of 350 mm. The area's high evaporation rate

Solid wastes generation in India and their recycling potential in building materials

Presently in India, about 960 million tonnes of solid waste is being generated annually as by-products during industrial, mining, municipal, agricultural and other processes. Of this ∼350 million tonnes are organic wastes from agricultural sources; ∼290 million tonnes are inorganic waste of industrial and mining sectors and ∼4.5 million tonnes …

Bricks, pavers from construction debris

Around 2,300 tonnes of construction waste is generated in Mumbai, everyday. Authorities in the country's financial capital have very little clue about how to deal with such staggering amounts of solid waste. In September 2005, the Municipal Corporation of Greater Mumbai (mcgm) did issue the Demolition and De-Silting Waste (Management …

World Bank to buy carbon credits to aid building material industry

as the trustee of the Community Development Carbon Fund, the World Bank has agreed to buy carbon credits from two Indian companies ostensibly to promote projects with better technologies in the building material industry. The construction sector in India is considered one of the most carbon intensive sectors representing about …

Good housekeeping

Houses are a metaphor for a way of life, reflecting the social and economic background of the occupants. Rural economies, in their diversity and complexity, mirror subsistence strategies ranging from agriculture to foraging and fishing. And are interdependent parts of a whole. The dynamic links between the two involve continuous …

Payback

municipal authorities and the district administration at Sawai Madhopur in Rajasthan seem to have woken up from a long slumber. The past two months saw hectic activity, with the authorities taking punitivemeasures against the illegal commercial activities going on right on the edge of the protected forest. Twenty-five structures were …

The pucca LCM of growth

the pucca lcm, or lowest common multiple, of growth is a burnt-red rectangular object. It is 10 inches long, 5 inches broad and 3 inches wide. Wrought in clay dug out of prime agricultural land, it is born in a mould and achieves a speedy maturity in a furnace. Thereafter …

Bricks from copper mine tailings waste for soil conservation and employment generation for landless persons

Due to continuous removal of topsoil, which is appropriate for agricultural purposes, is being used in production of conventional fired clay bricks, which results in depletion of natural resources for agriculture. Due to rapid industrialization, enormous quantities of wastes are generated by industries. In the present research work, efforts were …

Buildings can cause sickness

Various types of allergies, bronchial asthma, diabetes, obesity, chronic fatigue syndrome, cancer, aids and tuberculosis have become almost endemic to our civilisation. Most even today take it for granted that at a certain age, one of these maladies will strike them. Is it possible that building designs

Delhi is earthquake prone

The Bhuj earthquake was something of a watershed in Indian disaster preparedness. Several state governments, most so in the Northeast, and various central ministries were shocked into a comprehension of the dangers. However, national capital New Delhi, which is under perpetual latent seismic threat, is blissfully unattended. Neither the local …

Making houses energy efficient

Our houses gobble up energy and spew out carbon dioxide. Shocking, but true. Buildings, primarily residential and commercial facilities, are responsible for approximately 35 per cent of us greenhouse gas (ghg) emissions. Ventilation and insulation are not given adequate emphasis in urban layouts. Consequently, urban sprawls manage to use more …

Quaking, 1108 aftershocks later

two years ago, the earth in Gujarat shook and buildings crumbled. Since then, as many as 1108 tremors of 3 and above on the Richter scale have been recorded in the same region. Humans do not feel a tremor of 3 and below; only seismographs can record them. But the …

No bric a bracs

If you can't find landfill space to dump your sewage, then it is good news

Trends in high places

Nirmand, a village some 200 kilometres from Shimla, is on its way to

One Track Mind

DELHI'S ambitious metro rail system is losing track. The choice of gauge - broad or standard - has snowballed into a major controversy. The players: Delhi government and the Delhi Metro Rail Corporation (DMRC) on one side pushing for standard gauge and the Union ministry of railways, which wants status …

kangra safe corners

T he merit of kat-ki-kunni (timber-cornered building) of Himachal Pradesh can be traced back to 1905, if not earlier. A massive temblor levelled every village from Dharamsala to Kangra. Measuring 8.0 on the Richter scale, it lasted two minutes and was felt over 416,000 sq km. But, buildings with kat-ki-kunni …

Safe as houses

Earthquakes don't kill; badly built houses do. This time-tested observation becomes a clich

UTTARKASHI

At 2.53 am on October 25, 1991, a moderate earthquake measuring 6.6 on the Richter scale affected more than 425,000 people of about 2,100 villages in the districts of Uttarkashi, Tehri and Chamoli in what was then Uttar Pradesh and is now the hill state of Uttaranchal. Traditionally built timber …

North East

A massive earthquake had razed Shillong to the ground in 1897. This led to the creation of the

Recent developments toward earthquake risk reduction in India

A developing country like India, with a variety of building practices and social and economic structure, needs to evolve its own strategies for seismic hazard evaluation. Occurrence of few damaging earthquakes during the last decade has pointed to our shortcoming in risk reduction programmes.

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