Soil or cement?

Many building components from foundation to final finish can be built by using soil-based ideas.

24bgp-greensensG9A1V8J9R3jpgjpgThe last week has been a week of messages in WhatsApp and elsewhere, claiming the highest recorded temperature for any inhabited parts of Earth has touched 60 degree C in Kuwait. We may not get any officially verified version of this possible rumour; it could be a fact or a figment of imagination and could even be a prank message just to amuse us.

Official records claim highest recorded temperatures to be above 56 degrees, as such this figure further moving up is not an impossibility considering the damage and distress we are causing to nature. However, imagining such high temperatures is a frightening proposition. So, what are we doing about it?

Many nations and institutions are addressing climate crisis; yet at the global scale they are yet to make a noticeable dent. If so, should we wait for something to happen through these major players or do our bit individually?

One area to work upon is simply to minimise the use of steel and cement.

Though considered as a boon to the construction industry, these two materials contribute much to resource consumption, energy demands, waste generation and heat production. The indoor and outdoor temperatures around their production plants are virtually uninhabitable.

Why cement?

Most owners and builders cannot imagine building without cement today. RCC is inevitable today, so as a part of it cement too. Yet, should the whole building – foundation, column, walls, lintels, chajjas, beams, stairs, roofs, plastering, waterproofing – be with cement and concrete? At least where possible, can they be with non-cement based material?

Many soil-based options can replace cement fully or in parts during building construction. Soil lends itself to adobe block, rammed earth, stabilised mud block, table moulded or wire cut bricks, jaali units, hollow clay block, clay filler and hourdi roof blocks, Mangalore tiles, water proofing tiles, flooring tile and many such other products.

Unbelievable but true, majority of building components from foundation to final finish can be built by using these soil-based ideas. Brick foundations are possible; jaali blocks make reinforced columns; hollow clay blocks are apt for walls and lintels; mud walls are a proven idea; tiles make attractive chajjas; RCC would have minimal steel and cement in filler roofs; hourdis can create both flat and curved roofs; arch panel and jack arches need only precast beams and clay flooring is among the best for the foot.

This listing may appear like pitching the opposites for a competition. Our media is full of discussions on herbal vs chemical shampoos; traditional vs modern dresses; local vs continental cuisine; made in India vs imported goods and many such others. Likewise, soil vs cement may sound like being part of these debates. However, the intention is not to place them as opposites, but be able to observe the appropriate and make a studied choice.

Today we need to choose not only with a concern for today, but equally with a concern for tomorrow.

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Posted on June 24, 2017, in concepts and tagged , . Bookmark the permalink. Leave a comment.

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