"concrete support" is a correct phrase in written English and it can be used in a variety of contexts.
For example, "The government provided us with concrete support for our project."
We've given concrete support and assistance".
She leaned against a vertical concrete support beam.
He added, "What we need is concrete support, not just sympathy".
Rival camps both claim that the United States is offering concrete support to their opponents.
But now I do not need your symbolic votes; I need your concrete support.
"We expect concrete support from them," said Mr. Khelil, the OPEC president.
Numenta champions data but so far gives little concrete support of its own claims.
I applaud your concrete support for libraries and librarians (editorial, Feb. 25).
"We need more concrete support and solidarity, not just words," she told the First Lady.
That the buzz around KLL has not yet translated into concrete support.
The law prohibits giving not only weapons and money, but also less concrete support, like advice and "service".
