衬砌
- lining
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半无限空间中稳态P波在衬砌周围的散射
Scattering of steady P-wave around a circular lining in half space
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P波作用下衬砌混凝土的爆破安全振动速度研究
Study on the safety velocity for concrete lining under P wave loading
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地下衬砌洞室对Rayleigh波的放大作用
Amplification of Rayleigh waves due to underground lined cavities
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Solidworks在衬砌台车设计中的应用
The application of Solidworks in design of tunnel lining trolley
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界面含裂纹圆环形衬砌对SH波的散射及动应力集中
On the Scattering of SH-Wave by Interface Crack and Circular Cavity near the Interface
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隧道施工由CRD改为CD工法衬砌结构内力及变位分析
The analysis of lining stress and strain with working method from CRD to CD method
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提高TBM施工隧洞中的六边形管片衬砌质量
Discussion on Raising Quality of Lining with Hexagonal Segment Used in Tunnel Constructed by TBM
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研究SH波入射情况下圆形衬砌结构与直线形裂纹的相互作用问题。
The interaction between a linear crack and circular lining impacted by an incident SH-wave was investigated .
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地下圆形衬砌隧洞对柱面SH波的散射解析解
On Scattering & Diffraction of Underground , Circular , Lined Tunnels Subjected to Incident Cylindrical SH Waves
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文中论述的利用通用有限元软件ANSYS实现衬砌结构损伤分析的方法,对其它混凝土结构和构件的损伤分析也具有参考价值。
Furthermore , the method to analyze the damage of lining structure by current finite element software ANSYS is also valuable to other concrete structure and components .
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拱顶沉降在施工掌子面进展到9m之后其沉降值达到最大值,故控制6m的施工进深然后做拱部全断面的二次衬砌是十分必要的。
The vault sedimentation maximizes behind tunnel heading reaching 9m , So 6m construction throat is necessary .
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利用AP-DL语言编程对ANSYS进行二次开发,模拟了地下工程构建过程中,掘进爆破冲击波对喷射混凝土衬砌的损伤影响程度。
The secondary development of Ansys is done with Ansys Parametric Design Language . The shotcrete lining 's damage degree due to the vibration of the excavation blasting is simulated in underground engineering .
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研究界面上的圆形衬砌结构对平面SH波散射与动应力集中问题。
This paper provides a new method for analyzing scattering and dynamic stress concentration of plane SH-waves by interface circular cavity with lining by means of Green 's function .
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利用地下圆形衬砌隧道对入射平面P波和SV波散射级数解答,定量分析了入射波长、入射角度、隧道直径、衬砌刚度等因素对沿线地表位移放大作用的影响。
The series solution for the scattering of plane P and SV waves by an underground circular lined tunnel is used to quantitatively analyze the effects of incident wavelength , incident angle , diameter of tunnel , and liner stiffness on ground surface displacement amplification .
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采用遵循有限变形理想弹塑性本构关系和Drucker-Prager屈服准则的空间等参实体单元,模拟二次衬砌和围岩。
The secondary lining and surrounding rock are simulated with space iso-parametric solid element that follows constitutive equations of finitude deformation ideal elastic-plasticity and yield criterion of Drucker-Prager .
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设计方法有基于挪威法的Q系统支护设计、极限状态法及能量原理设计法等,但基本上都是基于支护结构本身的设计方法,对衬砌混凝土的耐久性涉及很少。
The design methods include Q-system support design method based on NMT , limiting status design method and energy principle design method , etc , but the above given methods are all based on the design methods for the support structure itself , referring to concrete durability rarely .
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随后用FLAC软件模拟了隧洞的开挖,经过计算表明,按照原设计文件的支护衬砌结构偏于保守,有较大的优化空间。
Then we used FLAC software to simulate the excavation of the tunnel , calculations show that , in accordance with the original design file support lining structure is conservative , we can largely optimize it .
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数值求解给出了脱离区大小和衬砌厚度对动应力强度因子(DSIF)和散射截面(SCS)的影响。结果显示由于脱胶,动应力强度因子和散射截面呈现明显的低频共振特性。
Dynamic stress intensity factors ( DSIF ) and the scattering cross section ( SCS ) are evaluated numerically , the resonances of DSIF and SCS at lower frequencies due to the debondings arise obviously .
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本文采用有限元法研究近场双圆形孔洞、圆环形衬砌对瞬态SH波的散射和动应力集中问题。
The scattering problems and the dynamic stress concentration problems of SH-wave by double circle cavities , and circle lining in near field are investigated in this thesis by the method of FEM . There are two problems in simulating SH-wave issue by finite element method .
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其次,用二维时域有限差分法(2D-FDTD)进行衬砌病害正演数值模拟。
And explaining method of GPR map was illustrated . Then , 2D finite difference time domain ( 2D-FDTD ) method was used to do forward simulation for tunnel lining .
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为评价隧道保温隔热层效果,利用三维瞬态有限元程序,分析了隧道保温隔热材料厚度为0.0、3.0cm情况下二次衬砌及周边围岩的温度变化过程;
Temperature changing course of secondary liner and peripheral rock is analyzed using 3-D FEM programs in order to evaluate the effect of heat preservation and insulation material for thickness 0 or 3 cm .
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研究结果表明:单线铁路隧道直墙式衬砌高水压第一分界值为0.05~0.10MPa,第二分界值为0.18MPa;
The results show that in single-track railway tunnel , the first boundary value of high hydraulic pressure upon upright wall lining is 0.05-0.10 MPa and the second boundary value is 0.18 MPa ;
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基于荷载-结构法并采用面向对象的设计方法,介绍了盾构隧道衬砌计算机辅助设计(GeoFBA)软件编制的理论依据、软件的适用范围及特点。
Based on the load-structure theory and using the object-oriented programming method , the theoretic basis of CAD software ( GeoFBA ) for shield tunnel lining is described and its usage and feature are also expounded .
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岩溶隧道富水区段衬砌渗漏水治理技术
Renovating Technology of Lining Leakage at Water-rich Sector of Karst Tunnel
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强地震作用下铁路隧道衬砌耐震性的研究
An Investigation on Aseismic Behaviours of Railway Tunnel Lining During Earthquake
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隧道混凝土衬砌施工中衬砌台车受力分析
Loading analysis of Lining Jumbo during construction of concrete tunnel lining
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水工隧洞钢筋混凝土衬砌非线性有限元分析
Nonlinear finite element analysis of reinforced concrete lining of hydraulic tunnels
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盾构隧洞双层衬砌接头相互作用模型
Joint interaction models for shield tunnel segment reinforced by secondary linings
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公路隧道衬砌断面轮廓检测技术及应用
Application and Technology of Lining Transverse Section Detection in Highway Tunnel
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寒冷地区渠道混凝土衬砌防冻害的几个问题
Several problems about anti-freeze of concrete lining brickworks in cold areas