This dataset contains the results of venting calculations, including the anti sliding stability safety factors of dam shoulders calculated at different venting depths and rates under normal operating conditions and abnormal conditions (extreme climate change and dam shoulder cracking), as well as the total stress along the river, in the axial and vertical directions of the dam shoulder, the sliding force and anti sliding force of the dam foundation surface.
This dataset adopts the finite element calculation method to conduct numerical calculations on the arch dam of Goupitan Hydropower Station. In this calculation work, the basis for finite element modeling is the actual design dimensions.
The dataset is an xlsx file that can be viewed or edited through EXCEL.
In this dataset, there are three files: "GPT-ZC.xlsx", "GPT-YC1. xlsx", and "GPT-YC2. xlsx". "GZ-ZC. xlsx" is the calculation result of normal operation, including: emptying time (d), emptying rate (m/d), reservoir water level (m), total stress along the river (Pa), total axial stress of the dam (Pa), total vertical stress (Pa), tangential force (kN), normal force (kN), f 'and c' (Mpa) values of the lateral and bottom sliding surfaces, anti sliding force (KN), and sliding force (Mpa). KN), dam foundation area A (m ²), anti sliding stability safety factor K; "GPT-YC1. xlsx" is the calculation result of abnormal operation of curtain failure, including: emptying time (d), emptying rate (m/d), reservoir water level (m), total stress along the river (Pa), total stress along the dam axis (Pa), total stress in the vertical direction (Pa) Tangential force (kN), normal force (kN), f ', c' (Mpa) values of lateral and bottom sliding surfaces, anti-skid force (KN), sliding force (KN), dam foundation area A (m ²), anti-skid stability safety factor K; "GPT-YC2. xlsx" is the calculation result of abnormal operation conditions of dam foundation cracking, including emptying time (d), emptying rate (m/d), reservoir water level (m), total stress along the river (Pa), total stress along the dam axis (Pa), total stress in the vertical direction (Pa), tangential force (kN), normal force (kN) The f ', c' (Mpa) values, anti sliding force (KN), sliding force (KN), dam foundation area A (m ²), and anti sliding stability safety factor K of the lateral sliding surface and bottom sliding surface.
This data was obtained by using the HSTAR finite element calculation program developed by Professor Li Tongchun from Hohai University and the rigid body limit equilibrium method in the specifications.
Based on the stress state of the dam shoulder under different operating conditions, the total stress in the river direction, dam axis direction, and vertical direction is obtained. According to the rigid body balance method in the specifications, the anti sliding stability safety factor of the arch dam shoulder is calculated using the shear strength formula.
This article uses the developed HSTAR finite element program to simulate the stress state of the dam shoulder during normal and abnormal operation of the arch dam, and calculates the relationship between the venting depth and venting rate and the anti sliding stability safety factor of the dam shoulder based on the shear resistance formula in the specifications. The calculation results indicate that the anti sliding stability safety factor of the dam shoulder during normal operation meets the regulatory requirements, but for abnormal operation, it is lower than the regulatory requirements during high water level operation, and a dam emptying simulation is required. Based on the simulation results, all expected situations are met. Based on the calculation parameters, the settings of the parameters all comply with the range of values specified in the specifications.
| # | number | name | type |
| 1 | 2021YFC3090101 | National key R & D plan |
This work is licensed under
CC BY 4.0 (Creative Commons Attribution 4.0 International License).
CSTR:11738.11.NCDC.NHRI_DAM.DB6877.2025
10.12072/ncdc.nhri_dam.db6877.2025
