How to design a braced wall design?
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The design of a braced wall involves several considerations. One method is to use an elastic modal analysis with a response spectrum, which requires an appropriate modified elastic stiffness of diagonal bracings . Another approach is the robust geotechnical design (RGD) method, which aims to derive an optimal design that is insensitive to uncertain factors such as soil parameters and construction variation . The stability of a braced excavation is influenced by soil behavior, retaining and supporting structures, and nearby structures and type of foundation . For walls framed from cold-formed steel, a robust design method has been proposed that considers the impact of sheathing materials and key properties such as shear rigidity and stud spacing . Numerical models can also be developed to estimate design parameters and guide the design process . These methods and approaches provide practical guidelines for designing braced walls and excavations.
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45 Citations | The paper provides design guidelines for a braced excavation, including recommendations for wall thickness, strut stiffness, and strut arrangement to optimize design factors such as strut force, wall moment, and displacement. |
| The paper provides a design method for walls framed from cold-formed steel studs that use traditional sheathing materials as the primary means of bracing against compressive load. The design method considers factors such as sheathing shear rigidity and stud spacing. | |
17 Mar 2015 1 Citations | The paper discusses the application of robust geotechnical design (RGD) method for the design of braced excavations. It mentions that the design parameters for a diaphragm-wall-supported excavation, such as the length and thickness of the wall, vertical spacing of the struts, and stiffness of the strut, need to be adjusted to minimize the variation in the system response caused by uncertain soil parameters, model errors, and construction variation. The paper also mentions that the RGD methodology involves a multi-objective optimization considering cost, safety, and robustness. However, it does not provide a detailed step-by-step procedure for designing a braced wall. |
| The paper provides a general method for the design of concentric braced steel frames (CBF) with active tension diagonal bracings, applicable to single- and multi-storey structures. It does not specifically discuss the design of braced wall design. | |
| The paper provides a numerical model for designing a braced excavation under a 20 storied building with a double basement. It investigates the influence of nearby structures and type of foundation on braced excavation by varying the length and thickness of the diaphragm wall and strut stiffness. The study aims to provide practical guidelines for designing excavations by analyzing and comparing calculated data. However, it does not provide a detailed step-by-step procedure for designing a braced wall. |
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