DEFLECTIONS

作品数：27被引量：21H指数：2
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A deep transfer learning model for the deformation of braced excavations with limited monitoring data
《Journal of Rock Mechanics and Geotechnical Engineering》2025年第3期1555-1568,共14页Yuanqin Tao Shaoxiang Zeng Tiantian Ying Honglei Sun Sunjuexu Pan Yuanqiang Cai 
supported by the National Key Research and Development Program of China(Grant No.2023YFC3009400);the National Natural Science Foundation of China(Grant Nos.42307218 and U2239251).
The current deep learning models for braced excavation cannot predict deformation from the beginning of excavation due to the need for a substantial corpus of sufficient historical data for training purposes.To addres...
关键词：Braced excavation Wall deflections Transfer learning Deep learning Finite element simulation 
Off-equatorial deflections and gravitational lensing in Kerr spacetime and the effect of spin
《Chinese Physics C》2025年第3期277-298,共22页Tingyuan Jiang Xiaoge Xu Junji Jia 
Partially Supported by the Wuhan University Students Innovation and Entrepreneurship Program。
This paper investigates off-equatorial plane deflections and gravitational lensing of both null signals and massive particles in Kerr spacetime in the weak deflection limit,considering the finite distance effect of th...
关键词：deflection angle gravitational lensing Kerr spacetime equatorial plane massive particle perturbative method 
Prediction of lateral wall deflections of excavations in water-rich sands by a modified multivariate-adaptiveregression- splines method
《Frontiers of Structural and Civil Engineering》2024年第12期1971-1984,共14页Dongdong FAN Delujia GONG Yong TAN Yongjing TANG 
Financial support from the National Natural Science Foundation of China(Grant No.42177179)is gratefully acknowledged.
Machine learning methods have advantages in predicting excavation-induced lateral wall displacements.Due to lack of sufficient field data,training data for prediction models were often derived from the results of nume...
关键词：lateral wall deflection machine learning multivariate adaptive regression splines method excavation database water-rich sand 
A spatiotemporal deep learning method for excavation-induced wall deflections被引量：1
《Journal of Rock Mechanics and Geotechnical Engineering》2024年第8期3327-3338,共12页Yuanqin Tao Shaoxiang Zeng Honglei Sun Yuanqiang Cai Jinzhang Zhang Xiaodong Pan 
supported by the National Natural Science Foundation of China(Grant No.42307218);the Foundation of Key Laboratory of Soft Soils and Geoenvironmental Engineering(Zhejiang University),Ministry of Education(Grant No.2022P08);the Natural Science Foundation of Zhejiang Province(Grant No.LTZ21E080001).
Data-driven approaches such as neural networks are increasingly used for deep excavations due to the growing amount of available monitoring data in practical projects.However,most neural network models only use the da...
关键词：Braced excavation Wall deflections Deep learning Convolutional layer Long short-term memory(LSTM) Sequence to sequence(seq2seq) 
Height connection across sea by using satellite altimetry data sets,ellipsoidal heights,astrogeodetic deflections of the vertical,and an Earth Gravity Model
《Geodesy and Geodynamics》2023年第4期347-354,共8页Jianbo Wang Xinmin Qi Kai Luo Zhengyuan Li Ruikang Zhou Jinyun Guo 
financially supported by the foundation of the Key Laboratory of Marine Environmental Survey Technology and Application,Ministry of Natural Resources,China (No. MESTA-2020-B006);the National Natural Science Foundation of China (No.41774001)
Islands and the mainland are separated by seas,and the distances between them might be so long that the height on the mainland cannot be exactly translated to the islands,resulting in different height systems on the m...
关键词：Height datum connection across sea areas Geopotential difference Normal heights Astrogeodetic vertical deflections ISLANDS 
Experimental-mechanistic analysis of pavement base deflections measured with light weight deflectometer
《Journal of Traffic and Transportation Engineering(English Edition)》2023年第2期320-330,共11页Yao Yao Shuo Li Guangyuan Zhao Yi Jiang 
supported in part by the Joint Transportation Research Program administered by the Indiana Department of Transportation and Purdue University。
An extensive experimental-mechanistic study was conducted to reveal the relationship between the light weight deflectometer(LWD)measured deflections and the degree of compaction of pavement base materials.Both laborat...
关键词：PAVEMENT Light weight deflectometer COMPACTION DEFLECTION Moisture content MODULUS 
Different Methods on Predicting Deflections on Beams Reinforced with CFRP Bars
《Journal of Civil Engineering and Architecture》2021年第4期193-197,共5页Drilona Disha Hektor Cullufi 
The use of fiber reinforced polymer(FRP)bars to substitute the steel bars in internal reinforcement is now an alternative in some structures subjected by corrosion.The strength,stiffness and bond characteristics of FR...
关键词：Fibre reinforced with polymers CFRP bars DEFLECTION modulus of elasticity 
Estimation of diaphragm wall deflections for deep braced excavation in anisotropic clays using ensemble learning被引量：14
《Geoscience Frontiers》2021年第1期365-373,共9页Runhong Zhang Chongzhi Wu Anthony T.C.Goh Thomas Bohlke Wengang Zhang 
supported by the High-end Foreign Expert Introduction program(No.G20190022002);Chongqing Construction Science and Technology Plan Project(2019-0045);the Science and Technology Research Program of Chongqing Municipal Education Commission(Grant No.KJZD-K201900102);The financial support is gratefully acknowledged。
This paper adopts the NGI-ADP soil model to carry out finite element analysis,based on which the effects of soft clay anisotropy on the diaphragm wall deflections in the braced excavation were evaluated.More than one ...
关键词：Anisotropic clay NGI-ADP Wall deflection Ensemble learning eXtreme gradient boosting Random forest regression 
Sensitivity of Influential Factors on Needle Insertion Experiments:A Quantitative Analysis on Phantom Deformations and Needle Deflections
《Chinese Journal of Mechanical Engineering》2020年第6期38-48,共11页Murong Li Yong Lei Tian Xu 
Supported by Zhejiang Provincial Natural Science Foundation of China(Grant No.LSD19H180004);National Major Scientific Research Instrument Development Project of China(Grant No.81827804);and Science Fund for Creative Group of NSFC(Grant No.51821903).
High repeatability of needle insertion experiments is essential to the needle-phantom interaction model validation.However,the influential factors governing the accuracy of the phantom and needle deformations have not...
关键词：Needle insertion Sensitivity analysis Tissue deformation Needle deflection 
Comparative Analysis of the Deflections of Two Beams Using the Finite Difference Method
《Journal of Mechanics Engineering and Automation》2020年第3期84-86,共3页Mariana Coelho Portilho Bernardi Adilandri Mércio Lobeiro Rogério Zolin Bertechini Tamara Liz Schwab Ribeiro 
In this paper,a comparative analysis of two beams’deflections,one supported-embedded beam and a bi-supported beam,is presented.For such comparison,first the respective second-order linear Ordinary Differential Equati...
关键词：FDM BVP ODE BEAMS deflection. 
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