This system makes my work easier. That makes my life easier and solve my problem without losing any extra time. The support team has a great understanding of the product, which is reflected on providing help at any point through the day. During the last year, we have all faced the trouble of working from home and the need to collaborate with our colleagues effortlessly and efficiently. We have made it possible for you to plan and keep track of every precast element through all stages of the process, from anywhere and working with real-time data.
In this webinar the following topics will be presented: -. In this webinar, M. In this webinar, B. Get started now. What are you interested in? Trial license. Educational license. Other inquiries. Get Started Now Do you want to realise a BIM workflow and improve your precast design; production and project planning?
Design Detail and model your precast concrete elements to automatically generate shop drawings, assembly drawings and reports. For direct phone support, see below. For more information read our Privacy Policy here.
Then, it solves the equilibrium equations to obtain deflections and rotations at each node. Finally, the program calculates the internal forces and internal moments in each element.
In this case, the program takes into account the effect of in-plane forces on the out-of-plane deflection with any number of openings and stiffeners. In spWall , the required flexural reinforcement is computed based on the selected design standard ACI is used in this example , and the user can specify one or two layers of wall reinforcement.
In stiffeners and boundary elements, spWall calculates the required shear and torsion steel reinforcement. Wall concrete strength in-plane and out-of-plane is calculated for the applied loads and compared with the code permissible shear capacity.
For illustration and comparison purposes, the following figures provide a sample of the input modules and results obtained from an spWall model created for the reinforced concrete wall in this example. In this model the following modeling assumptions have been made to closely represent the example in the reference:.
Idealized continuous wall boundaries using a symmetry support along the vertical edges. Pinned the base of the wall assuming support resistance is provided in the X, Y, and Z directions.
Roller support was used to simulate the diaphragm support provided by the double tee roof beams. The load is applied as a single point load under the double tee rib. This can also be applied as a line load or multiple point loads if the complete wall is modeled.
Figure 8 — Out-of-plane Shear Diagram spWall. M u kip-ft. N u kips. A s,vertical in. The results of all the hand calculations and the reference used illustrated above are in precise agreement with the automated exact results obtained from the spWall program. In column and wall analysis, section properties shall be determined by taking into account the influence of axial loads, the presence of cracked regions along the length of the member, and the effect of load duration creep effects.
ACI permits the use of moment of inertia values of 0. Cracking coefficients for out-of-plane bending and torsion and in-plane axial and shear stiffness can be entered for plate elements. Because the values of the cracking coefficients can have a large effect on the analysis and design results, the user must take care in selecting values that best represent the state of cracking at the particular loading stage.
Cracking coefficients are greater than 0 and less than 1. At ultimate loads, a wall is normally in a highly cracked state. At service loads, a wall may or may not be in a highly cracked state.
Based on the previous discussion, the ratio between I cr and I g can be used as the cracking coefficient for the out-of-plane case for the ultimate load combinations. In this example, I cr and I g were found to be equal to Thus, the out-of-plane cracking coefficient for ultimate load combinations can be found as follows:.
For the service load combinations, it was found that load combination 2 governs. M a for this load combination was found to be equal to That means the section is uncracked and the cracking coefficient can be taken equal to 1. Figure 13 — Defining Cracking Coefficient spWall.
All Rights Reserved. Eriksson Beam. Eriksson Connect. Eriksson Culvert. Use our state-of-the-art framework and analysis engine to design all of your precast components. Free Day Trial. Buy Now.
Key Features. Additional features include:. Single User License.
0コメント