Abstract
On the beach in midsummer, one of the favorite recreational activities for adults and children is to build the castle of the sea sand. However, the castles carefully built by the artists are often ruined by the inflow of waves or rising tides. We built the best 3D model of the sandcastle foundation. Moreover, we found the optimal essential moisture content. Due to the frequent precipitation in summer, our model also provides some reinforcement schemes. we compared the bearing capacity coefficients of several common foundation shapes and obtained the optimal shape on a plane. Then we compared the various indexes of the round table with different stacking angles in the vertical direction. We constructed the evaluation function using hierarchical analysis and then found the optimal stacking angle at the point where the first derivative of the function was zero. When calculating the thickness of the foundation based on a sandcastle with specific gravity, we chose the ordinary column foundation bearing capacity formula as the bearing capacity formula of the circular table foundation. Furthermore, we use this formula to find the corresponding thickness of the foundation in combination with the optimal stacking angle previously obtained.
Published Version
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