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Calculation method and system of two-dimensional steady-state seepage field in foundation pit supported by suspended retaining wall

A seepage field and suspension technology, which is applied in the field of two-dimensional steady-state seepage field calculation in foundation pits, can solve problems such as the calculation method of two-dimensional steady-state seepage field in foundation pits that has not been considered, and achieve remarkable results in safe construction.

Active Publication Date: 2022-07-08
CHINA RAILWAY URBAN CONSTR GRP
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Problems solved by technology

[0006] The present invention provides a method and system for calculating the two-dimensional steady-state seepage field of a foundation pit under the support of a suspended retaining wall. Technical Problems of Calculation Method of Two-dimensional Steady Seepage Field of Foundation Pit after Equal Factors

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  • Calculation method and system of two-dimensional steady-state seepage field in foundation pit supported by suspended retaining wall
  • Calculation method and system of two-dimensional steady-state seepage field in foundation pit supported by suspended retaining wall
  • Calculation method and system of two-dimensional steady-state seepage field in foundation pit supported by suspended retaining wall

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Embodiment Construction

[0060] In order to better understand the above technical solutions, the above technical solutions will be described in detail below with reference to the accompanying drawings and specific embodiments.

[0061] like Figure 1 to Figure 6 As shown, the first embodiment of the present invention proposes a method for calculating a two-dimensional steady state seepage field of a foundation pit under the support of a hanging retaining wall, which includes the following steps:

[0062] Step S100, taking the half-section of the foundation pit for calculation and analysis according to the symmetry, taking the direction of the retaining wall of the foundation pit as the z-axis, and the direction of the horizontal line at the bottom of the wall as the x-axis, divide the seepage field around the foundation pit into four regular areas, and establish a suspension type. A two-dimensional geometric model of a foundation pit in an isotropic single-layer soil layer supported by an impervious r...

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Abstract

The invention discloses a method and system for calculating a two-dimensional steady state seepage field of a foundation pit under the support of a hanging retaining wall. According to symmetry, the half-section of the foundation pit is taken for calculation and analysis. The direction of the horizontal line is the x-axis, and the seepage field around the foundation pit is divided into four regular areas, and a two-dimensional geometric model of the foundation pit in the isotropic single-layer soil layer supported by the suspended impervious retaining wall is established; it is assumed that the impervious layer is The soil quality of the upper soil layer is uniform, the soil seepage is isotropic and conforms to Darcy's law. Combined with the boundary conditions of each region of the seepage field of the foundation pit, the simplified expression of the water head in each region is obtained by the separation variable method; After solving the inhomogeneous equation system, the constant term is obtained and substituted into the simplified expression of the regional water head, thus the simplified solution of the water head inside and outside the foundation pit is obtained. The invention can more accurately calculate the water pressure borne by the retaining wall, and has significant engineering significance for ensuring the safe construction of the foundation pit.

Description

technical field [0001] The invention relates to the technical field of underground civil engineering, and particularly discloses a method and system for calculating a two-dimensional steady state seepage field of a foundation pit in an isotropic soil layer supported by a suspended impervious retaining wall. Background technique [0002] With the rapid development of my country's national economy and the ever-improving level of science and technology, urban land has become increasingly scarce, and the land on the ground is no longer enough to meet people's needs. Many high-rise and even super-high-rise buildings have been built in various places. The development and utilization of underground space has become the development trend of urban construction. The construction of large buildings such as subways, underground shopping malls, and underground garages has become the focus of construction in many cities in recent years. trend development. [0003] In the construction of hi...

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G06F30/28G06F113/08G06F119/14
CPCG06F30/28G06F2113/08G06F2119/14
Inventor 张鑫全尹玉平门彬余俊肖金明马彦征曾乐关劼兮曾进涛李东东陈伟彬邓鹏兵喻杨健杨鑫歆张志中
Owner CHINA RAILWAY URBAN CONSTR GRP
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