* Nonlinear bond-slip analysis of the composite pylon (bottom part).
			The covering steel plate and mass concrete are modeled by XSolid element. The XCONTACT element is put into the interface region which Druker Prager Plasiticty is used.

		* Nonlinear bond slip analysis of the composite pylon (bottom to middle part).
			The covering steel plate and mass concrete were modeled by XSOLID element. The XContact element was put into the interface region. Druker Prager model is used for interface behavior

		* Nonlinear bond slip analysis of the composite pylon (bottom to middle part).
			The covering steel plate and mass concrete were modeled by XSolid element. The XContact element was put into the interface region. Druker Prager model is used for interface behavior.

		* Nonlinear bond-slip analysis of basement anchorage of the pylon in cable stayed bridge.
			The steel bar was modeled using XTruss element with bilinear elasto plastic material model while the mass concrete used is XSolid element. The XLink element with nonlinear bond-slip model is used to model the bond slip behavior between steel bar and concrete.

		* Nonlinear bond slip analysis of pylon basement anchorage.
			The steel bar was modeled using XTruss element with bilinear elasto plastic material model while the mass concrete used is XSolid element. The XLink element with nonlinear bond slip model is used to model the bond slip behavior between steel bar and concrete.

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