The work, entitled Shibboleth 2007, runs the full 167 metres of the cavernous hall on London's South Bank.
It begins as a crack then widens and deepens as it snakes across the room.
Colombian artist Salcedo said the work - on display to the public until April next year - symbolised racial hatred and division in society.
"I always try to relate my work to tragedy," she said.
BBC:
The real tragedy is that the Tate Modern class this as 'art' ...... and read about another piece of so-called 'art' here:
Shibboleth is any language usage indicative of one's social or regional origin, or more broadly, any practice that identifies members of a group.
So that means this work represents paddies - because they're the only ones I know who dig holes in the ground (c: ... and we'll have no cracks about builder's cracks!!
Salcedo claims the work took her over a year to make, and apparently spent the past five weeks installing it in the Tate.
But she refused to reveal how it was achieved.
"What is important is the meaning of the piece. The making of it is not important," she said, adding that the work was "bottomless... as deep as humanity". What a load of excrement!!
She should have employed McAlpines - they would have done it in half the time AND erected a block of apartments beside it.
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Here's another load of rubbish:
A woman who says she was so overcome with passion for a valuable painting on display in France, has been charged with criminal damage after kissing it.
The immaculate white canvas so attracted Sam Rindy she smudged it with her lipstick, saying later she had wanted to make it even more beautiful.
The 3x2m (9x6-foot) painting by US artist Cy Twombly is valued at more than $2m (£970,000).
$2m for a white canvas!! You can not be serious.
It gets better ....
Ms Rindy, herself an artist, is due to appear in court on 16 August.
Staff at the Collection Lambert museum in the southern French city of Avignon alerted police after the incident on Thursday afternoon and she was arrested as she was walking out.
"I left a kiss," she told La Provence newspaper on leaving the police station.
"A red stain remained on the canvas... This red stain is testimony to this moment, to the power of art." BBC: