The shallow-buried bifurcated tunnel was less studied. The surrounding rock contains soil and rock medium, which affects the dynamic response of tunnel structure. However, the current research mainly focuses on the dynamic response of a single type of tunnel. The seismic response of the tunnel has been studied and abundant results have been obtained. In addition, scholars have used shaking table model test, numerical simulation and theoretical research to study the seismic response of underground structures. Therefore, the importance of dynamic response and seismic performance of underground structures has been gradually attached importance. For example, the 1999 Chi-chi earthquake in Taiwan, the 1999 Kocaeli earthquake in Turkey, and the 2008 Wenchuan earthquake in China. In recent years, some tunnels have been seriously damaged in several major earthquakes. Scholars have realized that underground structures are also vulnerable to damage in earthquake. The Hanshin Earthquake caused significant damage to several tunnels in Sanyo Shinkansen system. In 1995, many tunnels and subway stations were severely damaged by the great earthquake in Japan. Previously, there are few studies on seismic response of underground structures. The seismic performance of underground structures is stronger than that of ground buildings. The section structure size has a significant effect on the dynamic response of the tunnel. The seismic response laws of the tunnel are significantly affected by the middle rock column. The displacement of the measuring point at the middle rock column is intense, which is in accordance with the law of the acceleration response. (4) Along the axis of the tunnel, the displacement of the tunnel firstly increases and then decreases. The seismic response of the measuring point at the middle rock column is intense. The seismic response laws of the small distance tunnel are significant difference from other type tunnels.
(3) The seismic response of the small distance tunnel (Section 6) is intense.
(2) For different tunnel cross-section, the response of acceleration and displacement are significant difference. The results of the numerical simulation are credible. The results show that: (1) the numerical simulation and shaking table test coincide with each other in terms of variation law and peak value. The results of the numerical simulation were verified by a shaking table model test.
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The GTS NX software takes full advantage of the latest 64-bit GUI. The software’s user interface makes it easy to get to know the process and quickly analyze your geotechnical systems. The speed of fast analysis, superb graphics and user output capabilities brings a whole new level of geotechnical design to the forefront.Īlso according to the creators of this product you will be able to use this software to easily model and simulate the most complex models due to its capabilities. The software in front of you is also an optimal combination of tetrahedral and hexahedron elements. With the hexahedron element the results of this software will be more accurate. On the other hand, the existence of a tetrahedral element will also help to model sharper curves Download midas GTS NX 2019 v1.In order to obtain the seismic dynamic laws of the acceleration and displacement of a shallow-buried bifurcated tunnel, the analysis of the numerical simulation was carried out by MIDAS-GTS/NX software. GTS NX is the name of engineering software specialized in the analysis of geotechnical systems by the midas engineering group. With this software you can analyze various data such as drilling, complex tunnel systems, penetration analysis, consolidation analysis, soil design, dynamic analysis and slope analysis. The software in front of you also has an advanced user-friendly modeling platform that brings you an unparalleled level of accuracy and performance. The creators of this product believe that this software is a new generation of geotechnical systems analysis software. Midas GTS NX-Tính toán nền móng trụ cầu 3D
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