1992 Vol. 6, No. 4

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1992, 6(4): 1-4.
[Abstract](33) [PDF 3398KB](1)
Abstract:
The compatation of the internal force in tunnel is an important subject in the tunnel excavating and the lining designing. A method for calculating the internal force in the circular tunnel with homogeneous internal water pressure is introduced in this papert and a calculating example is presenced here for reference in the tunnel excavation and lining design.
1992, 6(4): 5-7.
[Abstract](53) [PDF 2860KB](3)
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In some engineering Project,the modulus of subgrade reaction is required for the foundation design.In order to meet such requirement, the concept of modulus of subgrade reaction and its application are introduced herein.
1992, 6(4): 8-12.
[Abstract](26) [PDF 4385KB](1)
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For study,the construction process of the sea wall is simulated. Based on the principle of effective stress, the finite clement method of equi-parameter quadrangles is used to calculate the static stress and strain, the dynamic stress and strain and the dynamic pore water pressure so as to determine the seismic liquefaction and static-dynamic stability of the sea wall.
1992, 6(4): 13-13.
[Abstract](35) [PDF 869KB](2)
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1992, 6(4): 14-15.
[Abstract](39) [PDF 1784KB](2)
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The physical meanimg of Pressuremeter Madulus is discussed, and a new Calculation method is Proposed in this Paper.
1992, 6(4): 16-20.
[Abstract](32) [PDF 4196KB](2)
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In this paper. Based on the data of laboratory test、Pressuremeter test and field loading test of Lanzhou's Loess-Like silt,the empirical relation between the modulus of deformation and the shear deformation modulus of pressuremeter, the empirical relation between oedome-tric modulus and pressaremeter modalos, and the empirical fomula for calculating the deformation modulus from pressuremeter test are proposed.
1992, 6(4): 21-24.
[Abstract](27) [PDF 3724KB](3)
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1992, 6(4): 25-32.
[Abstract](41) [PDF 6764KB](1)
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The methods for calculating the internal force and movement of the laterally loaded pile are briefly introduced. The static and dynamic tests are analyzed comparatively, and there comes a conclusion that the critical loading of the single pile loaded laterally can be determined by means of the dynamic testing method in Luoyang area. Thus the allowaable lateral bearing capacity of pile can be obtained.
1992, 6(4): 33-37.
[Abstract](26) [PDF 4822KB](1)
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The Analyse method combined the time region with the frequenty region of the reflecting method of stress waye is adopted in this paper. The similarities and differences of this two methoedl are inquired and emphasized on the problems of the analyse of frequency region by the experiments of laboratory model pile, real model pile and engineeling pile.
1992, 6(4): 38-42,59.
[Abstract](27) [PDF 4814KB](1)
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A detailed FEM Solation of Combined model of two dimensional flow of groundwater in saturated-nonsaturated Condition is put forward. The problems of the pattern of time difference, dispose of changes of water table are discussed. Lastly, a design frame of program Solving the combined model is also put out in this paper.
1992, 6(4): 43-46.
[Abstract](25) [PDF 3159KB](1)
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The Principle of grey clustering method and the calculation steps are introduced in this paper The analysis data of water quality in the section of Xiaoanxi river of the water-supply source for 5013 Project are used to make a synthetic evaluation of water quality contamination. The results obtained are satisfactory.
1992, 6(4): 47-49.
[Abstract](33) [PDF 2606KB](1)
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1992, 6(4): 50-53.
[Abstract](25) [PDF 2905KB](1)
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1992, 6(4): 54-59.
[Abstract](28) [PDF 4655KB](1)
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The methods of construction survey of three dimensional coordinates, which is carried out in part of No.1 line of Shanghai subway for the central axial line of the circular tunnel, is systematically introduced as well as the computation of the coordinates. The emphasis is put upon the concrete plan which is designed according to the requirements of accuracy including the horizontal and level control orders, the observation requirements and the instruments used. The survey results are assessed in accuracy and compared with the designed values. It is concluded that the former plan of observation and design is feasible.
1992, 6(4): 60-61.
[Abstract](106) [PDF 1684KB](1)
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1992, 6(4): 62-62.
[Abstract](32) [PDF 898KB](1)
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