D13.D.2 Design Parameters
Values of parameters do not depend on the UNIT command.
Commands for calculation of reinforcement are located in the input data file after the command of analysis and as a rule, after output commands to print results of calculation.
Parameter Name | Default Value | Description |
---|---|---|
CODE | - | Must be assigned as RUSSIAN
準拠する設計コード。「TR.48.1 パラメータの設定」を参照してください。 |
BCL | 15 | Compression class of concrete |
CL | 0.05 | (Slabs/Walls) Distance from top/bottom face of slab/wall element to the center of the longitudinal reinforcing bars located in the first local (x) direction (i.e., main thickness of top/bottom concrete cover for slab/wall elements) |
CL1 | 0.05 |
(Beams) Distance from the top or bottom edge of the beam cross section to the center of longitudinal reinforcement (Columns) Distance from the edge of the column cross section to the center of the longitudinal reinforcing bars |
CL2 | 0.05 | (Beams) Distance from left/right side of the beam cross section to the center of longitudinal reinforcement |
CRA | 0.05 | (Slabs/Walls) Distance from top/bottom face of slab/wall element to the center of the transverse reinforcing bars located in the second local (y) direction (i.e., secondary thickness of top/bottom concrete cover for slab/wall elements) |
DD1 | 16 |
(Beams) Diameter of the longitudinal reinforcement bars in the beam tension zone (Columns) Minimum diameter of longitudinal reinforcement bars for the column |
DD2 | 16 |
(Beams) Diameter of the shear reinforcement bars for the beam (Columns) Maximum diameter of longitudinal reinforcement bars for the column |
DEPTH | YD | (Beams) Design depth of beam the section. Used for design only, with the default value taken as the YD dimension in the member properties. |
EFA | 0 | (Beams) Face of support location at the end of the beam |
ELY | 1 | (Columns) Length coefficient to evaluate slenderness effects in the local Y axis |
ELZ | 1 | (Columns) Length coefficient to evaluate slenderness effects in the local Z axis |
FWB | ZB | (Beams) Design width of the beam's bottom flange. Used for design only, with the default value taken as the ZB dimension in the member properties. |
FWT | ZD | (Beams) Design width of the beam's top flange. Used for design only, with the default value taken as the ZD dimension in the member properties. |
MMA | 0 |
(Slabs/Walls) Design parameter of slab/wall reinforcement:
|
MMB | 1 |
(Slabs/Walls) Design parameter of slab/wall reinforcement:
|
NLT | 1 | Load case ID number of the long-term load case |
NSE | 13 | (Beams) Number of equally spaced sections used for beam design. The upper limit is 20. |
RCL | 3 |
Class of longitudinal reinforcement:
|
RSH |
(Beams) Class of shear reinforcement:
|
|
SDX | 16 | (Slabs/Walls) Diameter of reinforcing bars located in the first local (X) direction |
SDY | 16 | (Slabs/Walls) Diameter of reinforcing bars located in the second local (Y) direction |
SELX | 0 | (Slabs/Walls) Design length of wall member to evaluate slenderness effects in local X axis |
SELY | 0 | (Slabs/Walls) Design length of wall member to evaluate slenderness effects in local Y axis |
SFA | 0 | (Beams) Face of support location at the start of the beam |
SSE |
(Beam) Limit state parameter for beam design:
|
|
STA | 0 |
(Slabs/Walls) Parameter of limit state for slab/wall design:
|
TEM | 0 |
Parameter of concrete hardening conditions:
|
UB2 | 0.9 | (Slabs/Walls) Specific service conditions coefficient for concrete, γb |
UBM | 1 | Product of service conditions coefficients for concrete, except for γb in the case of slabs or walls (see UB2) |
USM | 1 | (Beams and Columns) Total product of service conditions coefficients for longitudinal reinforcement, γs |
WLT | 0.3 | (Beams and Slabs/Walls) Ultimate width of long-term crack |
WST | 0.4 | (Beams and Slabs/Walls) Ultimate width of short-term crack. |
Example
STAAD … UNIT MM MEMBER PROPERTIES * Columns of rectangular cross-section 1 TO 16 PRI YD 350. ZD 350. * Columns of circular cross-section 17 TO 22 PRI YD 350. * Beams of T cross-section 23 TO 40 PRI YD 450. ZD 550. YB 230. ZB 200. UNIT METER ELEMENT PROPERTY 41 TO 100 THICKNESS 0.14 101 TO 252 THICKNESS 0.16 * Flange of T beams is located at the bottom zone of cross-section BETA 180. MEMB 23 TO 40 … * Command of analysis PERFORM ANALYSIS … * Output command to print results of calculation (according to user’s judgment) … * Command of loading and their combinations considered in design LOAD LIST 1 5 TO 9 * Command to start reinforcement calculation procedure START CONCRETE DESIGN CODE RUSSIAN * List of parameters being used in reinforcement calculation … … BCL 20. MEMB 17 TO 22 CL1 0.04 MEMB 1 TO 40 DD2 10. MEMB 23 TO 40 CRA 0.036 MEMB 41 TO 252 … * Command of beam reinforcement calculation DESIGN BEAM 23 TO 40 * Command of column reinforcement calculation DESIGN COLUMN 1 TO 22 * Command of calculation 2D elements (slabs, walls, shells) DESIGN ELEMENT 41 TO 252 * Command of interruption of the reinforcement calculation