Beam

Prestressed flexural member design.

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Bcan

Indeterminate member analysis.

Loads may be general in nature and can include joint loads and moments, and uniform, partially distributed, trapezoidal and concentrated loads on any part of the member. One or more load cases may be specified in a single report.

• Last Update: June 2019
• Version: V3.4.0

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Lateral3

Lateral analysis.

The program will determine the wind or seismic forces prescribed by one of the supported codes. The selection includes 2012 IBC (Wind and Seismic by ASCE 7-10), 2009 or 2006 IBC (Wind and Seismic by ASCE 7-05), 2003 IBC (Wind and Seismic by ASCE 7-02), 2000 IBC (Wind by ASCE 7-98). User-assigned lateral forces may also be used instead of a code.

The direct stiffness method of analysis is used throughout and shear deformations are considered. Shears, moments and displacements are calculated at any desired level for all walls due to wind and seismic loads (with or without an accidental eccentricity). Additionally, the cross section of selected shear walls can be changed or stopped at specified floors.

At the user's option, the program will calculate an approximate fundamental period of vibration using the code-specified equation or Rayleigh's equation. A userassigned period may be substituted for the calculation.

• Last Update: January 2016
• Version: V3.0.5

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Compmem

Compression member design.

Behavior under service loads and/or design (ultimate) strength are checked for compliance with ACI-318 (2005, 2002 or 1999). Using user-entered values for Cm, β1 and M1/M2, the proper moment magnification factor for columns is calculated based on the non-sway frame equations of Sec. 10.12. The slenderness ratio (kL/r) must be less than or equal to 100.

Both design and service interaction curve values will be generated upon request.

• Last Update:
• Version: s/b 3.2.0
• Changes: Eliminate the machnm1.exe message on startup.

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Shearwal

Shear Wall Design.

The wall cross section may be rectangular or rectangular with pilasters (bulbs) at either or both ends.

Ultimate flexural and shear strengths are calculated for a horizontal joint. Three methods of calculating shear at the joint are available: ( 1) sliding friction, (2) simplified shear friction, or (3) maximum allowable shear stress. Design (ultimate) moment is calculated using strain compatibility, with the additional option of printing the concrete and bar strains. The internal shear reinfocement requirements for the wall panel are calculated per ACI 318.

All standard load cases can be checked by selecting one of IBC 2012 through IBC 2000 codes or user-defined load cases may be used for all vertical loads and both wind and seismic lateral loads.

• Last Update: June 2019
• Version: V3.2.4

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Studs

Embed design.

The program calculates tension and shear capacity of plates with headed anchor studs or hooked bolts. When a shear load and/or either a moment or perpendicular load are specified along with an effective depth and width of a bracket, the program calculates the interaction of shear and moment and provides a satisfactory/not-satisfactory assessment of the combined pullout and shear capacity. In place of the interaction calculation there is an option for all shear load to be borne by tail bars attached to the plate. The program will report the required area of steel for the tail bars.

Users may select from PCI Design Handbook, 7th Edition, PCI Design Handbook, 6th Edition, or Appendix D methods for ACI 318-11, ACI 318-08 or ACI 318-05.

• Last Update: June 2019
• Version: V4.4.0

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