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Simplified Method. Under the Simplified Method, you figure the tax-free part of each annuity payment by dividing your cost by the total number of anticipated monthly payments. For an annuity that is payable for the lives of the annuitants, this number is based on the annuitants' ages on the annuity starting date and is determined from a table.
Method for calculating rotational stiffness of multi-limb composite steel support node around weak axis
PendingCN122147886AClear calculation formulaImprove computing efficiencyFoundation testingExcavationsScale modelElement analysis
The application discloses a kind of multi-limb combined steel support node rotation stiffness calculation methods around weak axis, it is related to the technical field of deep foundation pit engineering and fabricated steel structure;The application decomposes the complex node structure into end plate, connecting plate, bolt group and other mechanical behavior clear core components, and calculates the stiffness of each component by using the component method, and then combines in series and parallel according to the classical mechanics principle, to achieve the technical effect of accurate physical modeling of the semi-rigid characteristics of the node and significantly improving the calculation efficiency.The method avoids complex nonlinear contact analysis, and the calculation formula is clear and easy to program.The calculation results of the method are compared with the full-scale model test results and the fine three-dimensional entity finite element analysis results, which achieves the technical effect of verifying that the calculation error of the method is within the acceptable range of engineering, and proves its reliability, solving the problem of insufficient accuracy of traditional empirical simplified method.
Owner:ANHUI UNIVERSITY OF TECHNOLOGY