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LEAP PC-HELP V8i

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An Essential Design Aid for Structural Engineers

Advantages

Improves Upon PCI Design Handbook

LEAP PC-HELP takes many of the elements from the PCI Design Handbook (Chapter 6) and improves upon them.

For example, enhanced weld groups. The PCI Design Handbook provides guidelines for the design of weld groups only for in-plane bending. In practice, out-of-plane bending is often encountered in connection design. LEAP PC-HELP complements the PCI Design Handbook by utilizing a unique generalized solution, taking in consideration both the forces and their eccentricity to account for out-of-plane bending.

Accurately Designs Bearing Pads

You can accurately design chloroprene or reinforced elastomeric bearing pads based on supported member and contact conditions. LEAP PC-HELP can check if the dimensions of a bearing pad satisfy all design requirements using the shear resistance curves specified by the PCI Design Handbook.

In addition, LEAP PC-HELP lets you specify your own shear resistance curves. Once the parameters are specified, you can rapidly switch between PCI or user-defined shear resistance curve values to check the bearing pad design requirements.

Accurately Designs Corbel

LEAP PC-HELP can rapidly check the design adequacy of normal weight, sand-lightweight and all-lightweight concrete corbel. Based on the geometric characteristics of the corbel and the factored horizontal and shear forces, LEAP PC-HELP accurately determines the required main area of reinforcement and stirrup reinforcing.

Analyzes Dapped End

LEAP PC-HELP analyzes recessed or dapped end connections for four potential failure modes:

Flexure and axial tension in the extended end (As)
Direct Shear (As, Ah)
Diagonal tension at re-entrant corner (Ash)
Diagonal tension in the extended end (Av).

LEAP PC-HELP analyzes each of these potential failure modes and provides the required area of main reinforcement (As), shear reinforcement parallel to flexural tension (Ah), horizontal or diagonal cracks (Ash) and diagonal tension (Av).

Analyzes Beam Ledge Designs

LEAP PC-HELP rapidly analyzes:

The shear strength of the ledge
The transverse (cantilever) bending of the ledge and computes the required steel reinforcement
The longitudinal bending of the ledge and computes the required steel reinforcement
The attachment of the ledge to the web.

Includes Steel Converter

Did you know that 5 - #8 Grade 60 rebars could be replaced by 3 - #11 Grade 60 and may save $0.63/ft, or 4 - #9 Grade 60 and may save $0.72/ft?

The LEAP PC-HELP steel converter is a unique application that provides the rapid conversion of specified diameters of rebars or strands into equivalent rebar or strands of different sizes. Using this capability, users can easily identify the dollar cost of replacing a specified rebar or strand with rebars or strands of different sizes that may result in production cost savings.

Both the strand and rebar converter can be applied to all standard beam cross-sections or to user-specified cross-sections.

The strand converter includes the ability to consider user-specific strand patterns and prestress reduction factors due to losses when computing the equivalent patterns and strand sizes. The program includes libraries of rebar and strands, where user labor and materials costs can be stored and used in the calculation of replacement costs.