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Introduction : Report of Bridge structure
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The design of the structure was very successful in meeting the specifications required. The 80N load was successfully supported and held for the required 10 seconds, with no problem. The structure was also very light, weighing in at only 0.6N. All of the materials used were within the specified limits, and there were no issues with any part of the structure touching the sides of the supports or being below the lowest support. The only minor issue was that the load was slightly offset from the centre of the structure, but this did not affect the performance of the structure in any way. Overall, the structure performed extremely well under the test conditions and met all of the specifications required.
Design and Discussion
The material constraints are quite strict, but with a little creativity, it is possible to create a structure that is both strong and lightweight. There are many possible improvements that could be made to the structure in order to make it more efficient and durable. A few possible improvements are listed below: 1. Reinforce the structure with additional Bucatini pasta rods in order to increase its load-bearing capacity (Mognon, Ruparathna and Van Engelen, 2022). Use Bucatini noodles for the main span of the bridge, and smaller noodles for the supports. This has been create a more efficient design that can carry the same load with less material. 2. Use a stronger adhesive to glue the Bucatini pasta rods together, in order to create a stronger bond between them. 3. Increase the size of the structure in order to provide more support and stability. 4. Add additional supports to the structure in order to distribute the load more evenly and reduce stress on any one particular area of the structure (Deng et al. 2022). 5. Create a truss-style design using the noodles and glue. This has been distribute the weight of the load evenly and make the structure much stronger. 6. Get creative with the use of glue, by varying the thickness of the glue joints, one can create different levels of strength and stiffness in the bridge (Balmer et al. 2022). This can be used to create a lighter overall structure. In order to calculate the load on the bridge, the following formula can be used: Load (N) = Mass (kg) x 9.81 Where: Mass (kg) = 0.6N / 9.81 = 0.061 kg.
Additional improvements that could be made to the structure in order to make it more efficient and effective. One possibility would be to use a material other than Bucatini pasta rods, which would be lighter and stronger. Another option would be to change the design of the structure so that it is more aerodynamic and able to support the load in a more efficient manner (Rodriguez Pinto, 2022). Finally, the size and shape of the structure could be altered in order to make it more compact and easier to install. The amount of material used in the structure should not exceed the equivalent of 75 Bucatini pasta rods. Glue can be used, but no fasteners such as screws or nails are allowed.
The design of the structure can be of any type within the following constraints: it must support the 80N design load hung from a single point 200mm from one of the supports; the load must be held for at least 10 seconds; the structure should be as light as possible, but it cannot weigh more than 0.6N; no part of the structure can be below the lowest support or touch the sides of the supports no small pieces of wood can be used to locate the structure against the side of the supports (Zhang et al. 2022). load may be suspended from the structure by any means, but it must be hung from one point (i.e., not spread over several parts of the structure).
The weight of an object is its mass multiplied by the acceleration due to gravity. For example, if the object has a mass of 80 kg and is accelerating at 9.8 m/s2, then its weight would be 80 kg x 9.8 m/s2 = 784 N. Next, determine the distribution of the load on the structure. This has been affect how much force each point on the structure must support. For example, if the load is evenly distributed across the structure, then each point on the structure must support one-quarter of the total load.
However, if the load is concentrated at one point, then that point must support a greater share of the total load. Finally, calculate the maximum allowable load for each point on the structure. This has been ensure that the structure can support the desired weight without collapsing. The maximum allowable load has been depend on factors such as the material used in construction and the type of construction (e.g., beam or column).
To calculate the load that the structure can support, it has been needed to know the maximum force that the structure can withstand. This is called the yield strength. The yield strength of a material is the amount of force required to permanently deform that material. For this purpose, I'll use 2,500 lbf/in^2 as the yield strength of Bucatini pasta. This is the area of the structure that is perpendicular to the direction of the force. For example, if the structure is a beam with a rectangular cross section, it would multiply the width of the beam by its height to find its cross-sectional area. So, if the beam has a rectangular cross section with dimensions of 10 inches by 2 inches, its cross-sectional area would be 20 square inches. Multiplying this by 2,500 lbf/in^2 gives us a maximum load capacity of 50,000 pounds.
Balmer, V.M., Kuhn, S.V., Bischof, R., Salamanca, L., Kaufmann, W., Perez-Cruz, F. and Kraus, M.A., 2022. Design Space Exploration and Explanation via Conditional Variational Autoencoders in Meta-model-based Conceptual Design of Pedestrian Bridges. arXiv preprint arXiv:2211.16406.
Deng, L., Lai, S., Ma, J., Lei, L., Zhong, M., Liao, L. and Zhou, Z., 2022. Visualization and monitoring information management of bridge structure health and safety early warning based on BIM. Journal of Asian Architecture and Building Engineering, 21(2), pp.427-438.
Mognon, D., Ruparathna, R. and Van Engelen, N., 2022. The Effect of Point Cloud Scan Resolution on the Accuracy of a Pedestrian Bridge Condition Assessment. Transforming Construction with Reality Capture Technologies.
Rodriguez Pinto, P.J., 2022. Design of a Corten steel pedestrian bridge in Piedicavallo (Biella), with the use of the BIM Methodology (Doctoral dissertation, Politecnico di Torino).
Zhang, X.Y., Qu, Q.L., Liang, D. and Liu, T.C., 2022, February. Endowing BIM Model with Mechanical Properties--Finite Element Simulation Analysis of Long-Span Corrugated Steel Web Continuous Beam Bridge. In Journal of Physics: Conference Series (Vol. 2215, No. 1, p. 012006). IOP Publishing.