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巖土材料熱-水-力耦合特性及工程應用(英文版) 版權信息
- ISBN：9787548746676
- 條形碼：9787548746676 ; 978-7-5487-4667-6
- 裝幀：一般膠版紙
- 冊數：暫無
- 重量：暫無
- 所屬分類：>
巖土材料熱-水-力耦合特性及工程應用(英文版) 內容簡介
開展熱-水-力耦合條件下的巖土材料力學特性研究，對于高放廢棄物地質處置、地熱資源開采、川藏鐵路等重大工程建設都具有重要的理論意義和應用價值。本書聚焦工程建設中遇到的熱-水-力耦合條件下的巖土工程問題，開展實驗、理論和數值研究，詳細闡述了巖土工程材料在熱-力、水-力和熱-水-力耦合條件下的力學特性及本構關系。具體研究內容如下：（1）研發了熱-水-力耦合試驗平臺，開展了熱-水-力耦合條件下的巖土材料力學特性測試研究。分析了耦合條件下巖土材料強度、變形、破壞模式的演化規律；（2）開展了巖土材料熱-粘彈塑性本構模型研究。提出了一種稱為等效應力的概念，基于等效應力的概念，在壓縮和溶脹過程中，可以簡單地通過e-lnp關系來評估溫度變化與熱力學塑性應變之間的關系。通過將時間效應添加到新提出的熱彈塑性模型的子加載表面所采用的演化方程中，建立了一個新的隨時間變化的總空隙率差異的演化方程。（3）基于Cam-clay模型，建立了非飽和條件下的土體熱-彈塑性模型。該模型不僅可以描述一維固結試驗，還可以通過一組參數更好地反映三維壓縮剪切試驗中溫度對非飽和土變形和強度的影響。（4）提出了基于細觀力學的飽和硬巖彈塑性損傷模型。在該模型中，通過熱力學框架對飽和介質進行熱-力耦合。提出了新的塑性和破壞準則來描述內部變量的演變。飽和硬巖力學響應的所有主要特征都可以通過該模擬得到很好的再現，例如破壞強度，體積應變的壓實-膨脹轉變和峰后區域的軟化現象。與唯象學模型相比，本文提出的細觀力學模型具有參數少，物理意義明確的優點。（5）詳細推導了熱-水-力-氣耦合有限元方法的理論。在場方程中，過大的孔隙水壓力，過大的孔隙空氣壓力，固相位移和溫度被用作未知變量。在THMA FE-FD方案中，有限元用于均衡和能量守恒方程的空間離散化。該方案中的能量守恒并沒有完全結合力學性能，因為本構模型描述的塑性變形引起的能量耗散雖然未必包括在上述守恒方程中，但它可能很小。與核廢料產生的熱能相比，在工程意義上可以忽略不計。（6）開展了實際工程的在熱-水-力耦合的穩定性及安全性研究，探討了在熱-水-力耦合條件下工程的影響因素。
巖土材料熱-水-力耦合特性及工程應用(英文版) 目錄
Chapter 1 General Introduction
1.1 Research background
1.2 Review of previous work
1.3 Features of this book
Chapter 2 Experimental Investigation on T-H-M Properties of Geotechnical Materials
2.1 Introduction
2.2 Experimental investigation on T-M properties of geotechnical materials
2.3 Experimental investigation on H-M properties of geotechnical materials
2.4 Summary
Chapter 3 Thermo-Elasto-Viscoplastic Model for Geotechnical Materials
3.1 Introduction
3.2 Concept of equivalent stress
3.3 Concept of extended subloading yield surface and a new therrno-elastoplastic model for soft sedimentary rock
3.4 A new simple thermo-elasto-viscoplastic model for soft sedimentary rock
3.5 Thermodynamic properties of thermo-elasto-viscoplastic model
3.6 Performance of newly proposed models
3.7 Summary
Chapter 4 Thermo-Eiastoplastic Constitutive Model for Saturated/Unsaturated Geotechnical Materials
4.1 Introduction
4.2 Derivation of thermo-elastoplastic constitutive model for saturated/unsaturated soil
4.3 Moisture characteristic curve considering the hydraulic hysteresis, the influence of void ratio and temperature
4.4 Performance of the MCC model
4.5 Performance of the constitutive model
4.6 Summary
Chapter 5 Hydraulic;Mechanical Damage Model for Geotechnical Materials
5.1 Introduction
5.2 Homogenization theory of composite materials
5.3 Poromechanical framework
5.4 Formulation of a micromechanical based elastoplastic damage model
5.5 Estimation of damage induced permeability
5.6 Performance of proposed models
5.7 Summary
Chapter 6 Thermo-Hydraulic-MechanicaI-Air Coupled Model for Geotechnical Materials
6.1 Introduction
6.2 Thermo-Hydraulic-Mechanical-Air coupling finite deformation algorithm of field equations
6.3 Summary
Chapter 7 Numerical Applications of T-H-M Coupling Problems
7.1 Introduction
7.2 Numerical simulations of frictional deep geological disposal for high-level radioactive waste
7.3 Numerical simulation of model test on slop failure in unsaturated shirasu ground
7.4 Numerical simulation of heating experiment
7.5 Numerical simulation of underground water-sealed cavern
7.6 Summary
References
1.1 Research background
1.2 Review of previous work
1.3 Features of this book
Chapter 2 Experimental Investigation on T-H-M Properties of Geotechnical Materials
2.1 Introduction
2.2 Experimental investigation on T-M properties of geotechnical materials
2.3 Experimental investigation on H-M properties of geotechnical materials
2.4 Summary
Chapter 3 Thermo-Elasto-Viscoplastic Model for Geotechnical Materials
3.1 Introduction
3.2 Concept of equivalent stress
3.3 Concept of extended subloading yield surface and a new therrno-elastoplastic model for soft sedimentary rock
3.4 A new simple thermo-elasto-viscoplastic model for soft sedimentary rock
3.5 Thermodynamic properties of thermo-elasto-viscoplastic model
3.6 Performance of newly proposed models
3.7 Summary
Chapter 4 Thermo-Eiastoplastic Constitutive Model for Saturated/Unsaturated Geotechnical Materials
4.1 Introduction
4.2 Derivation of thermo-elastoplastic constitutive model for saturated/unsaturated soil
4.3 Moisture characteristic curve considering the hydraulic hysteresis, the influence of void ratio and temperature
4.4 Performance of the MCC model
4.5 Performance of the constitutive model
4.6 Summary
Chapter 5 Hydraulic;Mechanical Damage Model for Geotechnical Materials
5.1 Introduction
5.2 Homogenization theory of composite materials
5.3 Poromechanical framework
5.4 Formulation of a micromechanical based elastoplastic damage model
5.5 Estimation of damage induced permeability
5.6 Performance of proposed models
5.7 Summary
Chapter 6 Thermo-Hydraulic-MechanicaI-Air Coupled Model for Geotechnical Materials
6.1 Introduction
6.2 Thermo-Hydraulic-Mechanical-Air coupling finite deformation algorithm of field equations
6.3 Summary
Chapter 7 Numerical Applications of T-H-M Coupling Problems
7.1 Introduction
7.2 Numerical simulations of frictional deep geological disposal for high-level radioactive waste
7.3 Numerical simulation of model test on slop failure in unsaturated shirasu ground
7.4 Numerical simulation of heating experiment
7.5 Numerical simulation of underground water-sealed cavern
7.6 Summary
References
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