1 determination of coefficient MS during calculation of surrounding ground settlement due

www.engineeringvillage.com Abstract results: Downloaded: 3/31/2017 Determination of coefficient MS during calculation of surrounding ground settlement due to foundation pit dewatering Wang, Cui-Ying (1); Huang, Li-Xing (2); Duan, Wei-Chang (3); Yu, Yi-Feng (3) Source: Yantu Lixue/Rock and Soil Mechanics, v 27, n 6, p 1011-1016, June 2006; Language: Chinese; ISSN: 10007598; Publisher: Academia Sinica Author affiliation: (1) Hubei University of Technology, Wuhan 430068, China (2) Institute of Rock and Soil Mechanics, Chinese Academy of Sciences, Wuhan 430071, China (3) Hubei Changan Building Stock Co Ltd., Yingshan 438700, China Abstract: From overburden layers, semipervious layers above depression-cone level drainage consolidation, porous media (geo-formation) compression and water compression, the ground settlement mechanism is analysed during foundation pit dewatering Compression layers thickness due to dewatering is chiefly overburden layers, semipervious layers thickness above depression-cone level Collecting the related data of 10 foundation pits dewatering engineerings, the practical values and theoretical values are compared and a set of modified-coefficient MS of surrounding ground settlement due to foundation pit dewatering (aggregately 880 groups of data) are got Using BP neural network method to process those data, we can find a sort of net mapped connection between given inputs (t, S, ES, h) and outputs (MS) We can use net connection to input a sort of (E¯S, h), and get isoline of modified-coefficient MS which is corresponding with different t, S Accordingly we can find modified-coefficient MS of arbitrary t, S, which has practical value to foundation pit dewatering engineering of similar layers to forecast practical settlement at different times and distances from foundation pit (5 refs) Main heading: Settlement of structures Controlled terms: Backpropagation - Compression testing - Consolidation - Dewatering - Drainage - Foundations Neural networks - Porous materials Uncontrolled terms: Depression-cone level - Drainage consolidation - Foundation pit dewatering - Modified-coefficient - Overburden layer Classification Code: 422.2 Strength of Building Materials : Test Methods Strength of Building Materials : Test Methods - 483.1 Soils and Soil MechanicsSoils and Soil Mechanics - 483.2 FoundationsFoundations - 502 Mines and Quarry Equipment and OperationsMines and Quarry Equipment and Operations - 723.4 Artificial IntelligenceArtificial Intelligence - 802.3 Chemical OperationsChemical Operations Treatment: Applications (APP) Database: Compendex Compilation and indexing terms, Copyright 2017 Elsevier Inc Data Provider: Engineering Village Content provided by Engineering Village Copyright 2017 Page of