The phrase "add a pillar" is correct and usable in written English.
It can be used in contexts where you are discussing the addition of a structural element or metaphorically referring to adding a fundamental component to a system or idea.
Example: "To strengthen our project, we need to add a pillar that supports our main objectives."
Alternatives: "include a foundation" or "introduce a support".
The general wanted to add a fifth pillar, governance, but was overruled by President Hamid Karzai.America's new counter-insurgency doctrine espouses similar ideas about the need for "unity of effort" in military and civilian activity.
The fear is that now China has put heavy resources into peacekeeping and development, it will quite quickly add a third pillar of human rights to its UN portfolio.
The 2012 maze will add a new Pillar of Souls area.
If Europeans want to act on their own in, say, Africa, America is more likely to help than hinder them.Many now want to add an economic pillar.
In 2010, Veja added a "cultural pillar" to its sourcing programme.
While continuing to license content from existing media and entertainment companies (like clips of NBC shows or the streaming of new shows before they make their debuts on network television) and beefing up its user-generated content platform, MSN is adding a third pillar to its content strategy.
As Young explained, "With Skyhigh, we are adding a new pillar in cloud security.
EUROBIS, similar to the Epode-like program in the Netherlands (JOGG) (http://www.epode-international-network.com/programmes/jogg), has added a fifth pillar to the ones of EPODE methodology, "linking prevention and healthcare," and proposes a structured combination of preventive and curative actions.
Add a small cylinder-like pillar under the triangle attached to its base.
Put titans of finance in a room the size of an airplane hanger, add a few sight-blocking pillars and make sure it's a Monday.
