1992 Vol. 6, No. 2

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1992, 6(2): 1-6.
[Abstract](26) [PDF 6356KB](4)
Abstract:
On the basis of the Specification of Foundation Design for the Ground of Buildings(GBJ7-89), some generally concerned topics about the determination of bearing capacity of the ground, such as the concept of bearing capacity of the ground, the determinating methods, the comparison between the old and new Specifications about the bearing capacity, and the modification coefficient of regression are studied herein.
1992, 6(2): 7-13.
[Abstract](25) [PDF 6962KB](5)
Abstract:
Through the case of the pile foundation engineering of the key telecommunication building that has been constructed and used in Tai Yuan, the back analysis is used for the problems about the selection of bearing stratum, the determination of the bearing capacity of the single pile and the group pile, the settlement analysis of group pile, the heave of the ground and the dissipation of the pore water pressure in the process of pile driving. So that some experience and lesson are obtained.
1992, 6(2): 14-17.
[Abstract](18) [PDF 2042KB](3)
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1992, 6(2): 18-22.
[Abstract](16) [PDF 4920KB](4)
Abstract:
The stress path of pressuremeter test is analysel by using the basic theory of pressuremeter test and the analysis method of ground horizontal stress P0, critical edge pressure Pf and strength index are proposed based on the principle of the stress path method.
1992, 6(2): 23-27.
[Abstract](24) [PDF 4996KB](4)
Abstract:
The design method of belled pile is proposed in this paper combined with the practice. And the vertical static load test and the horizontal repeat load test are done for one or two pile. The pre-controlling method to the quality of construction of belled pile is given.
1992, 6(2): 28-32.
[Abstract](23) [PDF 5073KB](4)
Abstract:
This is a successful example of adopting box foundation to design, test and analyse after the engineering surveying of a tall building, The sandy loam is the bearing stratum, the ground back stress, the reinforcement stress and the strain of conerete are tested and the work of observing the ground settlement is done to the box foundation. A large amount of observed data is analysed and the changing rule is understood and the results obtained are satisfy.
1992, 6(2): 33-34.
[Abstract](27) [PDF 2128KB](4)
Abstract:
1992, 6(2): 35-39.
[Abstract](25) [PDF 4687KB](2)
Abstract:
Based on the reliability theory of surveying control network, the effection on the correction by appreiable error is produced and the important concept of the unnecessary observing component is drawn forth. Through the pressure checking method on appreciable error analysis, all kinds of reliability index are proposed and defined.
1992, 6(2): 40-43.
[Abstract](24) [PDF 4180KB](2)
Abstract:
The combined method of spline function with 3 times of B and regression is adopted to set up the deformation model of deformation observing series of earth's crust. The mixed model of the spline function with double 3 times of B is also built up for giving the unified mathmatic model in deformation monitoring area concering the time and space. The example proved this method is effective to build the deformation model.
1992, 6(2): 44-47,52.
[Abstract](45) [PDF 5218KB](2)
Abstract:
The method of data memory to reform data collection in the field and a practical program to collecte and record the data in the field using PC-1500 pocket computer are introduced in this paper. This program can have the memory of the PC-1500 computer increase by 3 times and is practical to surveying and drawing.
1992, 6(2): 48-52.
[Abstract](28) [PDF 5079KB](2)
Abstract:
A new numerical method, finite analysis method, is used for analysing the control of shallow groundwater level in changzhou distric, Hebei province, The criterion and method for controlling groundwater level are proposed.
1992, 6(2): 53-57.
[Abstract](35) [PDF 5241KB](3)
Abstract:
SanmenXia Power Plant is a Large-scale thermal power plant and requires a big sum of water. The water resources is poor in the Sanmen-Xia area. By analysing the Hydrological anh Hydrogeological Conditions of the area, a Plan that ground, river and reservoir water Should be multipurpose and Coordinate used is put forward for supplying water to the first phase and near future of the project, and a new plan is also suggested for Supplying water to the future of the project in this article.
1992, 6(2): 58-61.
[Abstract](28) [PDF 4244KB](2)
Abstract:
Jast as the cities whose water supply are mainly dependent on the groundwater, unavoiding sidestep problems arise in the groundwater decclopment and utilization in the city of Shi Jiazhuang. The problems concerning the city's water resource crsis are clisccissed and the corresponding measures that should be taken to deal with the problems are put forward. To set up an authoritative organization of water resource management and to make it work with effect are considered to be the key measure.

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