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 …

Rooted to earth

Organic farmer in Vidarbha turns mud into durable houses He trained to be an engineer. He believes in Sarvodaya, the

Influence of thermal insulation on conductive heat transfer through roof ceiling construction

This study determines influence of thermal insulation on conductive heat transfer through roof-ceiling construction when thermal insulation material was integrated to roofing system. Among two pairs of two identical rooms, respective roofs were equipped with insulation to be tested as follows: i) polystyrene and its identical pair with no insulation; …

How construction is vital to reducing emissions

UN-HABITAT has an important role in supporting institutions, professionals and the private sector in the housing and construction sector to mitigate climate change, writes Mohamed El Sioufi, Head of UN-HABITAT

Green building A review paper

This paper mainly emphasizes on the more or less modern concept of green building, mainly emphasizes on the more or less modern concept of green building, mainly emphasizing on their environmental impact, the various materials required and their rating system in India. Few examples of green buildings in India have …

Steel may emerge as alternative to concrete

Steel use could save construction period and give more usable space Concrete could face competition from steel as a better alternative building material, said the JSW Steel vice-chairman and managing director, Mr Sajjan Jindal. On Monday, JSW Steel and UK-based Severfield Rowen Plc formed a 50:50 joint venture company JSW …

Farming sand

Farmers around Bangalore excavate soil for builders An ecological imbalance is brewing in Bangalore district because farmers, who have hit upon desperate times, are seeking desperate measures. Driven by drought, farmers here have taken to digging, washing and sieving the topsoil of their farms for sand. They sell it to …

Draft notification on fly ash

Whereas by notification of the Government of India in the Ministry of Environment and Forests number S.O. 763(E), dated the 14th September, 1999 (hereinafter referred to as the said notification) issued under sub-section (1) and clause (v) of sub-section (2) of section 3 and section 5 of the Environment (Protection) …

Making green buildings work

Green buildings eat, drink and spend less. Societies that worry about their resources encourage their architects and construction companies to be conservationist. The Indian Green Buildings Congress (IGBC) has been trying to encourage a change in priorities. It faces the challenge of sensitising builders even as the backlog in infrastructure …

Recycling plant for construction waste soon

Mumbai, September 4 The Brihanmumbai Municipal Corporation (BMC) has decided to set up a Construction and Demolition (C&D;) waste recycling facility on the premises of Deonar dumping ground soon. According to the sources, the plant will be operational in the next two years. Interestingly, the construction waste will be recycled …

New Default for Asphalt?

The vast majority of the nearly 2 million miles of paved roads in the United States are surfaced with asphalt pavement, which is made by combining a thick hydrocarbon mixture known as liquid asphalt binder with sand, gravel, or crushed stone ("aggregate"). Each year about 60 million tons of hot-mix …

Artisanal and small scale mining in India: selected studies and an overview of the issues

In India, mining is one of the main economic activities since time immemorial, giving rise to a long historical tradition of artisanal mining. As modern mining rose during the colonial occupation, artisanal mining activities began to be overlooked and this great tradition became obscure. This invisibility, added with confusion with …

Earthquake-safe Koti Banal architecture of Uttarakhand, India

Despite being located in the seismically highly vulnerable region, Uttarakhand shows an elaborate tradition of constructing multistoried houses. Both the local dialects of the region (Kumaoni and Garhwali) have unique words for identifying four different floors of a building. This suggests common occurrence of multistoried structures in the region. Rajgarhi …

A brand new address for DMRC

Smriti Kak Ramachandran The energy-efficient "Metro Bhawan' has been designed by Raj Rewal Modern Marvel: The Atrium of the new Metro Bhawan in New Delhi. NEW DELHI: When he envisioned a suitable new office space for the Delhi Metro Rail Corporation (DMRC), noted architect and urban design consultant Raj Rewal …

Life of Apartment Buildings

Adverse conditions such as ground contamination, high temperature, humidity, fluctuating temperature and relative humidity can reduce the life span of the structure, says A.R.Santhakumar Determinant: A major factor influencing the service life of concrete structures is the nature of exposure conditions. Generally Reinforced concrete apartment buildings in India lasts only …

Watch Tower: Green roofs for salubrious cities

The term "Green roof" refers to a roof that is partially or wholly covered with vegetation and soil on top of a waterproofing membrane -Proloy Bagchi The State's Environmental Planning and Coordination (EPCO) have taken an admirable initiative for promoting "green construction". Quite obviously, the government is gradually becoming concerned …

The other side of getting urbanised

Ashok B Lall, Architect Large geographic regions in emerging economies will undergo a rapid shift toward further urbanisation in the coming decade. There is both euphoria and trepidation concerning the implications of accelerated urban development. The euphoria results from an enhanced knowledge base as well as an increased productivity spawned …

Fly ash fetches Rs 15 cr for state

It may be just a byproduct, but the state government has earned Rs 15 crore out of it. The fly ash from the thermal power plants in the state, once a major air pollutant, has now become a gold mine as construction companies and cement manufacturers compete to take a …

Lavish green homes

T-Zed Homes, a housing complex on six acres of Varathur Road in Bangalore has new age apartments built by Biodiversity Conservation India Ltd (BCIL), Asia's largest green building company. "The purpose of BCIL is essentially to mainstream sustainability-whcih means taking what are called 'alternate technologies and establishing these into cutting-edge …

Environmental effects of river sand mining: a case from the river catchments of Vembanad lake, Southwest coast of India

Rivers in the southwest coast of India are under immense pressure due to various kinds of human activities among which indiscriminate extraction of construction grade sand is the most disastrous one. The situation is rather alarming in the rivers draining the Vembanad lake catchments as the area hosts one of …

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