SIMPLE FOOTING DESIGN

PERFORMED OPERATION DESCRIPTION

Enter the following geometry parameters in the A and B field. A=9.0, B=9.0, Apply

Defines the foundation geometry.

LMC on the Pier tab and change the

Pier column type to Plain, Apply

Selects the pier type.

Analysis / Calculation options Opens the Calculation options dialog box.

LMC on the Concrete tab. LMC on the list of the typical concrete resistance. Select fc’=4.0ksi concrete

Defines concrete parameters.

LMC on the Longitudinal

reinforcement tab. LMC on the steel

list. Select Grade 40 steel

Defines the longitudinal reinforcement steel grade.

LMC on the None button (Bar list) to remove the default bar list.

LMC on the #6, #7, #8, #9 options to define acceptable bar list

Defines the longitudinal reinforcement acceptable bar list.

LMC on the Transversal

reinforcement tab. LMC on the steel

list. Select Grade 40 steel.

Defines the transversal reinforcement steel grade.

LMC on the #3 option to switch off this bar and LMC on the #6 option to add bar #6 to acceptable bar list.

Defines the transversal reinforcement acceptable bar list.

LMC on the Save As … button Opens the Enter the name dialog box. LMC on the edit control, highlight

Standard text and enter test_rnf as

a new name, OK

Saves user calculation options.

OK Closes the Calculation options dialog box.

Foundations / Foundations - load

Selects the Robot Millennium program layout allowing for the foundations load definition. The screen will be divided into four parts: a graphic viewer containing the foot model at the upper right side, the Foundations - load and

Foundations - site dialog boxes at upper central and upper

Selects the forces type.

Enter the following forces in the

N, Fx, Fy, Mx, My fields

(55.0, 10.0, -20.0, 15.0, -15.0),

Add

Defines a dead load with a standard name DL1

live load

Selects the type of a load case: live.

Enter the following forces in the

N, Fx, Fy, Mx, My fields

(30.0, 10.0, -20.0, 15.0, -15.0),

Add

Defines a live load with a standard name LL1

wind

Selects the type of a load case: wind.

Enter the following forces in the

N, Fx, Fy, Mx, My fields

(20.0, -25.0, 10.0, -10.0, -25.0),

Add

Defines a live load with a standard name WIND1

LMC on the box for selection of the

Robot Millennium layout

Foundations / Foundations - soil

Selects the Robot Millennium program layout allowing for the foundations soil definition. The screen will be divided into two parts: Foundations - site dialog boxes at upper left side and Foundations - soil dialog box at central with graphic viewer containing the foot model and soil layers, soil table and backfill parameters.

LMC in the Backfill heights N1 field

and enter the value: (2.0)

Defines a Backfill height.

LMC on the Pier level Na field and

enter 8in=

Defines a column Pier level using a Robot Millennium control unit conversion (in -> ft).

LMC on the Minimum reference level

Nf field and enter the value (-1.5)

Defines a Minimum reference level.

LMC on the Name field in the first record in soil table and unfold the list of available soils. Select the Very fine

sands.

Selects the typical soil (Very fine sands) from Robot

Millennium soil database.

Switch on the Stress Allowable option.

LMC on the edit field (Stress) and enter the value (0.0138).

LMC on the Apply button Applies the soil definition.

LMC on the box for selection of the

Robot Millennium layout

Foundations / Foundations - result

Selects the Robot Millennium program layout allowing for a presentation of foundations calculation result. The screen will be divided into two parts: a graphic viewer containing the foot model at the left side, Foundations - result dialog boxes at right side.

LMC on the Capacity button in the

Foundations - Results dialog box

LMC on the Punching / Shear button in the Foundations - Results dialog box

Selects the design combination for punching.

Analysis / Calculation Opens the Calculation Option Set dialog box.

LMC on the Calculations button Starts the Calculations and optimization for the defined foundation.

LMC on the box for selection of the

Robot Millennium layout

Foundations / Foundations - Reinforcement

Selects the Robot Millennium program layout allowing for a presentation of foundation reinforcement. The screen will be divided into five parts: three graphic viewers containing footing model projections, Foundation - Reinforcement

Table and Reinforcing bars dialog box.

LMC on the No. field in the fourth record on the Reinforcement Table -

General tab.

Selects the bottom reinforcement in Y direction.

Opens the Main Bar shape dialog box.

,

OK

Selects the new shape.

Apply Applies the new shape to reinforcement in Y direction. LMC on the No. field in the fifth

record on the Reinforcement Table -

General tab

Selects the bottom reinforcement in X direction.

Opens the Main Bar shape dialog box.

,

OK

Selects the new shape.

File / Save Project Component As Opens the Project Component dialog box.

Creates a new project component with a standard name Foundation2.

Enter the following text: “foot A” in the highlighted field,

OK

Renames a standard component.

Enter the following text: “Examples Foot ACI” in File Name field in the Widows® Save As… dialog box,

Save

Saves the Robot Millennium project as “Examples Foot ACI.rtd” file.

Results / Drawings Generates Final Drawings. The Robot Millennium program

layout is changed automatically.

File / Print Opens the Print dialog box.