March 12, 2021

ADAPT-PT/RC Version 20.0 is now available!

Updated Design Codes: ACI 318-19

ADAPT-PT/RC has been updated to include applicable provisions from ACI318-19: Building Code Requirements for Structural Concrete. The provisions in the latest design standard that have been included in ADAPT-PT/RC include but are not limited to:

Reinforcement strain limit has been revised for all criteria and system types (beam, one-way and two-way slabs for RC and PT mode) according to Section 7.3.3.1.
Minimum flexural reinforcement for non-prestressed, reinforced one and two-way slabs shall meet a minimum area of flexural reinforcement of 0.0018Ag according to Section 7.6.1.1.
One-way shear strength provisions for non-prestressed members in relation with Vc for non-prestressed members have been modified per Table 22.5.5.1.

The requirements for Av,min for non-prestressed and prestressed beams are given in Section 9.6.3.1 and 9.6.3.2. The provisions have changed from older version of the code. The program has been modified to include the provisions found below for non-prestressed beams.

For two-way shear of slabs, a new size effect factor, lambda is introduced in the allowable concrete shear stress, Vc,without shear reinforcement. Table 22.6.5.2 now incorporates the size effect factor, lambda in equations (a), (b), and (c).

Licensing

ADAPT-PT/RC now supports cloud based licensing similar to other RISA software products.

Lateral Load Defaults

The lateral load input window includes new notation stating that lateral joint moments are to be inserted as centerline moments, not those at face of support. Additionally, the lateral load reversal is now set to YES for enveloping inclusivity.

For more information about all the improvements included in ADAPT-PT/RC Version 20.0, click the button below to review the New Features Supplement.

Tags: ADAPT, Concrete, New, ADAPT-PT-RC

January 1, 2021 | ADAPT-Builder, ADAPT, Slab, New

Quickly Evaluate Graphical One-Way Shear Results in ADAPT-Builder

The ability to quickly evaluate results and make data-based design decisions is a key aspect of user-focused structural software. One-way shear is a critical in the design of RC and PT beams and in particular, sizing of beams and associated economy of a design. ADAPT-Builder 2020 delivers new and improved graphical analysis and design tools for one-way shear meant for quick delivery of results. For reinforced concrete and post-tensioned models including beams and one-way slabs requiring one-way shear reinforcement, new graphical options have been added to Result Display Settings. These graphical results include Shear Stress Check, Concrete Shear Strength (Vc), Vu/Vc ratio, Asv (required shear reinforcement), Asv (provided shear reinforcement), and shear stirrup reinforcement. Shear Stress Check This option shows a graphical code check for each design section along a beam or one-way slab design strip for the selected strength load combination or strength envelope. The available code check status indicators of NA, OK, REINFORCE, and EXCEED CODE are reported. Concrete Shear Strength Reports the concrete shear capacity, øVc (or equivalent for other non-ACI design codes) of each design section. The calculated concrete shear capacity is calculated per code requirements for reinforced concrete or post-tensioned sections. Demand vs Capacity Ratio…

May 26, 2020 | Time History, RISA-3D, New

Support Frame Structures for Rotating Machinery in RISA-3D

RISA-3D can be used to model the effects of rotating machinery on their support structures. In the model below, we have a structure which is to support a piece of rotating machinery. To begin, we will add the load at each node where the machinery will bear on the support beams. We have done this by using the Nodal Loads tool and changing the type to Load. In our example, 1000 lbs at four locations. Once the load is added, we need to simulate a rotation caused by the machinery at these four points. To accomplish this, a Time History function can be created that will simulate the operation frequency of our machinery. To do this, navigate to Advanced > Time History > Generate, where the frequency that will occur at each bearing point can be input. As shown below, we can modify the Time History function in order to simulate the start up and shut down of the machinery. For additional information on the Ramp Up and Coast Down sections of the time history function, check out the support article listed below: With the function created, the time history load is applied by opening the Time History Loads spreadsheet,…

May 26, 2023 | ADAPT-Builder, ADAPT, New Release, New

ADAPT-Builder Version 22.0.2 now Available!

ADAPT-Builder Version 22.0.2 is now available and includes the following enhancements: Added wall design per ACI 318-19 code. Improved the Wall Design Manager to only consider strength combinations. Added option to automatically update wall section reinforcement when designing walls. Implemented a new Feedback button that allows the user to request improvements to the software. Improved ADAPT Wall Design Manager In ADAPT-Builder v22.0.2 the integrated wall design capabilities of the ADAPT Wall Designer have been improved to include the implementation of the ACI-318-19 design code. The design of concrete shear walls can be done with or without special boundary elements for seismic lateral resisting systems. The user has the option to perform a Code Check or a Design of shear walls within an ADAPT-Builder model. A code check allows the user to define the reinforcement within the wall and the program will check whether the assigned reinforcement satisfies code provisions for minimum reinforcement, bending, and shear capacity. If a user chooses to Design the walls, the program will iteratively design the reinforcement for the walls within the user-defined design constraints to satisfy code provisions. Codes: The ADAPT Wall Designer has been implemented for ACI-318-19 and ACI-318-11 design codes. For more information…