Bearing Fixity [EX1-PIG]

Please follow the instructions provided below to set boundary conditions for each bearing location (insertion point) that you have defined while creating the bridge layout.

1	Navigate to Superstructure > Boundary Conditios > Bearing Fixity
2	Select the first cell in the "Insertion Point" column, and then click on the "Pick" button in the resulting window.
3	Choose the insertion points that will define the boundary conditions for the superstructure. For each location, specify the fixities or stiffness values based on the bearing types in the Tx, Ty, and Tz directions. Select the insertion points for each bearing.
4	Set Tx/Ty/Tz/Rx/Ry/Rz as in the figure. To determine the Tx and Ty stiffness values, compute them based on the stiffness of your bearing pad. In this example, a value of 10 is utilized. Setting the Rx value to 0 requires constructing the diaphragm with girders to maintain torsional stability. Conversely, to overcome stability issues when the girder is constructed without any transverse element, such as diaphragm or deck, a nonzero Rx value is necessary.
5	Set Transfer Force to Substructure as Yes for all bearing locations.
6	Quick Tip In this section, nodes are assigned degrees of freedom (DOFs). The coordinate system of each insertion point varies along the support line and alignment. Based on this updated coordinate system, new DOFs need to be allocated. Tx/Ty/Tz/Rx/Ry/Rz fixities are shown below. Bearing Rotation parameter rotates the support clockwise in the XY plane. FE behaviour of Transfer Force to Substructure.

Follow the below steps to copy and paste all inputs from our data set.

Navigate to Bearing Fixity under Boundary Conditions on the tree view.

Copy Articulation from model inputs and paste into OpenBrIM.

Completed Bearing Fixity is illustrated below.

Quick Tip: Copy inputs to OpenBrIM

Copy the desired data with the automatic copy button in the upper left corner.

Click on the first cell in and use the Ctrl+V shortcut to paste.

If icon won’t appear, collapse page tree menu by clicking on arrow or using shortcut “[”.

While pasting large data, it would be handy to turn of Auto-refresh .

Bearing Fixity

Articulation

BF1	IP1	12.838	12.838	Fixed	100	Free	Free	0	YES
BF2	IP2	12.838	12.838	Fixed	100	Free	Free	0	YES
BF3	IP3	12.838	12.838	Fixed	100	Free	Free	0	YES
BF4	IP4	12.838	12.838	Fixed	100	Free	Free	0	YES
BF5	IP5	12.838	12.838	Fixed	100	Free	Free	0	YES
BF6	IP6	12.838	12.838	Fixed	100	Free	Free	0	YES
BF7	IP7	12.838	12.838	Fixed	100	Free	Free	0	YES
BF8	IP8	12.838	12.838	Fixed	100	Free	Free	0	YES
BF9	IP9	12.838	12.838	Fixed	100	Free	Free	0	YES
BF10	IP10	12.838	12.838	Fixed	100	Free	Free	0	YES
BF11	IP11	12.838	12.838	Fixed	100	Free	Free	0	YES
BF12	IP12	12.838	12.838	Fixed	100	Free	Free	0	YES
BF13	IP13	12.838	12.838	Fixed	100	Free	Free	0	YES
BF14	IP14	12.838	12.838	Fixed	100	Free	Free	0	YES
BF15	IP15	12.838	12.838	Fixed	100	Free	Free	0	YES
BF16	IP16	12.838	12.838	Fixed	100	Free	Free	0	YES
BF17	IP17	12.838	12.838	Fixed	100	Free	Free	0	YES
BF18	IP18	12.838	12.838	Fixed	100	Free	Free	0	YES
BF19	IP19	12.838	12.838	Fixed	100	Free	Free	0	YES
BF20	IP20	12.838	12.838	Fixed	100	Free	Free	0	YES
BF21	IP21	12.838	12.838	Fixed	100	Free	Free	0	YES
BF22	IP22	12.838	12.838	Fixed	100	Free	Free	0	YES
BF23	IP23	12.838	12.838	Fixed	100	Free	Free	0	YES
BF24	IP24	12.838	12.838	Fixed	100	Free	Free	0	YES
BF25	IP25	12.838	12.838	Fixed	100	Free	Free	0	YES
BF26	IP26	12.838	12.838	Fixed	100	Free	Free	0	YES
BF27	IP27	12.838	12.838	Fixed	100	Free	Free	0	YES
BF28	IP28	12.838	12.838	Fixed	100	Free	Free	0	YES
BF29	IP29	12.838	12.838	Fixed	100	Free	Free	0	YES
BF30	IP30	12.838	12.838	Fixed	100	Free	Free	0	YES
BF31	IP31	12.838	12.838	Fixed	100	Free	Free	0	YES
BF32	IP32	12.838	12.838	Fixed	100	Free	Free	0	YES
BF33	IP33	12.838	12.838	Fixed	100	Free	Free	0	YES
BF34	IP34	12.838	12.838	Fixed	100	Free	Free	0	YES