Centrifuge Modelling for Civil Engineers
Centrifuge Modelling for Civil Engineers
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土木工程师的离心机建模
DOI：
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发表时间：
2014
期刊：
影响因子：
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通讯作者：
G. Madabhushi
中科院分区：
文献类型：
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作者：
G. Madabhushi
土木工程中的现代岩土工程设计简介岩土工程师的复杂作用离心建模的作用需要数值和物理建模简介在基础设计中使用数值建模需要物理建模离心建模的好处数值建模的好处离心建模和数值建模的互补性概述匀速圆周运动简介匀速圆周运动基本定义：向心力和离心力在匀速圆周运动中使用极坐标科里奥利力和欧拉力离心机建模原理概要离心机建模原理离心机建模简介场结构、原型和离心机模型的概念离心机建模中的比例律模型建模概要示例土工离心机：土工离心机简介梁式离心机转鼓离心机概述离心机建模中的误差和局限性简介重力场的变化径向重力场颗粒尺寸效应应变率效应科里奥利加速度概述离心机设备模型容器模型制备技术飞行致动器飞行土壤表征技术概述土工试验仪器简介仪器类型变形测量概述土工试验数据采集系统简介模数转换数字数据记录的基本原理时域和频域信号转换噪声比混叠和奈奎斯特频率滤波概述浅基础简介浅基础承载力浅基础的建模浅基础的实验室模拟模型模型概述挡土墙简介实验室规模的挡土墙模型在离心机中模拟挡土墙悬臂挡土墙的悬臂试验锚固挡土墙的L-桩基础简介桩基础的实验室测试桩基础的桩基础的桩基础横向受荷桩的安装模型试验抗拔桩的试验模型试验桩的负摩阻力大型-摘要模拟施工顺序先进的离心模型施工顺序模拟挡土墙前的分阶段开挖模拟挡土墙和建筑物之间的相互作用模拟地下连续墙对桩基的影响模拟支撑式挡土墙隧道现有桩基下方现有管道下方隧道砌体结构下方隧道摘要动态离心模型动态事件建模动态标度律一般标度律与动态标度律之间的差异离心机地震模拟离心机模型饱和度土-结构动力相互作用问题的模拟液化问题的模拟摘要参考文献
Modern geotechnical engineering design in civil engineering Introduction Complex role of geotechnical engineers Role of centrifuge modelling Need for numerical and physical modelling Introduction Use of numerical modelling in foundation design Need for physical modelling Benefits of centrifuge modelling Benefits of numerical modelling Complementarity of centrifuge modelling and numerical modelling Summary Uniform circular motion Introduction Uniform circular motion Basic definitions: centripetal and centrifugal forces Use of polar coordinates in uniform circular motion Coriolis force and Euler force Summary Principles of centrifuge modelling Introduction to centrifuge modelling Principles of centrifuge modelling Concepts of a field structure, prototype and the centrifuge model Scaling laws in centrifuge modelling Modelling of models Summary Examples Geotechnical centrifuges: Some design considerations Introduction to geotechnical centrifuges Beam centrifuges Drum centrifuges Summary Errors and limitations in centrifuge modelling Introduction Variation in gravity field Radial gravity field Particle size effects Strain rate effects Coriolis accelerations Summary Centrifuge equipment Model containers Model preparation techniques In-flight actuators In-flight soil characterization techniques Summary Centrifuge instrumentation Introduction Types of instruments Deformation measurement Summary Centrifuge data acquisition systems Introduction Analog to digital conversion Fundamentals of digital data logging Time and frequency domains Signal-to-noise ratio Aliasing and Nyquist frequency Filtering Summary Shallow foundations Introduction Bearing capacity of shallow foundations Modelling of a shallow foundation in a laboratory Centrifuge modelling of shallow foundations Modelling of models Summary Retaining walls Introduction Retaining wall models at laboratory scale Simulating retaining walls in a centrifuge Centrifuge testing of cantilever retaining walls Anchored retaining walls Centrifuge testing of L-shaped walls Centrifuge modelling of propped walls Summary Pile foundations Introduction Laboratory testing of pile foundations Centrifuge modelling of pile foundations Centrifuge modelling of pile installation Centrifuge modelling of laterally loaded piles Centrifuge modelling of tension piles Negative skin friction in piles Large-diameter monopiles Summary Modelling the construction sequences Advanced centrifuge modelling Construction sequence modelling Modelling of staged excavations in front of a retaining wall Modelling the interaction between a retaining wall and a building Influence of diaphragm walls on a pile foundation Modelling of propped retaining wall Tunneling below an existing pile foundation Tunneling below existing pipelines Tunneling below a masonry structure Summary Dynamic centrifuge modelling Modelling of dynamic events Dynamic scaling laws Discrepancies between general and dynamic scaling laws Earthquake simulation in centrifuges Saturation of centrifuge models Centrifuge modelling of the dynamic soil-structure interaction problems Centrifuge modelling of liquefaction problems Summary References