| 摘要(英) |
The current runway construction of airports in various countries are following the AC150/5370-10H standard construction specification published by the Federal Aviation Administration (FAA) in 2018. Expect of loading and tire pressure, the proof loading verification vehicle is very clear described in this specification. The objective of this study is to find the best configuration tire pressure and loading of the proof loading verification vehicle for the soil in Taoyuan area using computer program simulation. The soil property of Taoyuan included soil moisture content, unconfined compression test, and direct shear test were conducted and those results would be adopted to computer program simulation. The Hamburg wheel track tester was used in the laboratory to simulate the field rolling verification. At last, the ABAQUS, finite element program, was used to build up the situ rolling verification model, and the input parameters were using the lab. test results. The situ rolling verification model was established by soil Young’s modulus, cohesion, friction angle, and expansion angle . According to ABAQUS simulation rolling verification, it is easy to find that compared with parameters such as Young’s modulus and tire pressure, the loading of loading of the proof loading verification vehicle would be the major factor on rolling soil settlement. Based on the results of this study, the recommend loading is 32 ton and tire pressure is 125 psi of the proof loading verification vehicle for Taoyuan area soil and the subgrade quality would be well controlled under this.
Keywords: Proof rolling, ABAQUS and subgrade |
| 參考文獻 |
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