Sensitivity Analysis of the Waterproof Performance of Elastic Rubber Gasket in Shield Tunnel

Abstract

In order to study the waterproof performance of elastic rubber gasket in shield tunnel lining joints, an innovative sensitivity analysis method is proposed by combining the Monte Carlo method with the stochastic finite element method (FEM) in this paper. The sensitivity values of the waterproof performance respecting to elastic rubber gaskets are obtained via the ANSYS Probabilistic Design System (PDS) module, in which the parameters of material hardness, coordinates of the hole center, apertures are selected as random input variables. Meantime, the extent of the tolerance effect of the random parameters on the waterproof performance is explored.

Materials and Performance of Asphalt-Based Waterproof Bonding Layers for Cement Concrete Bridge Decks: A Systematic Review

“…The AWP and AMP waterproofing adhesive material bonding property statistics [25,27,29,30,62,63] see Figure 14. In addition, some data are from literature [64][65][66][67][68][69][70][71][72][73][74][75][76].…”

“…The AWP and AMP waterproofing adhesive material bonding property statistics [25,27,29,30,62,63] see Figure 14. In addition, some data are from literature [64][65][66][67][68][69][70][71][72][73][74][75][76]. In Figure 10, for the pull-out strength, it was mainly concentrated between 0.65~1.05 MPa at 25 °C and maintained at 0.48 MPa at 60 °C.…”

“…In addition to the above commonly used types, researchers have also conducted studies on other types of modified emulsified asphalt, such as CR and EVA and modified emulsified asphalt thin slurry sealers, etc. Therefore, statistical summaries of the bonding performance of other types of modified emulsified asphalt waterproofing binder materials other than those mentioned above [14,27,40,55,60,[64][65][66] are shown in Figure 15.…”

“…In addition to the above commonly used types, researchers have also conducted studies on other types of modified emulsified asphalt, such as CR and EVA and modified emulsified asphalt thin slurry sealers, etc. Therefore, statistical summaries of the bonding performance of other types of modified emulsified asphalt waterproofing binder materials other than those mentioned above [14,27,40,55,60,[64][65][66] Analysis of Figure 15 shows that for the drawing strength, the most data were collected at 25 °C and were mainly distributed in the range of 0.34~0.52 MPa, with the temperature increasing against the overall decreasing trend of strength. The average value was about 0.18 MPa at 45 °C and was only maintained at 0.06 MPa at 60 °C; the pattern of interlayer shear strength and drawing strength is basically the same, as the most data were collected at 20 °C for the direct shear strength, but its dispersion was high.…”

Computer big data modeling system based on finite element mathematical equation simulation

“…Tian Lirong et al [4] replaced big data computer equipment with models, reducing the weight of peripherals, which has important engineering practical significance for precision instruments whose weight is calculated in grams. Liu Wenxue et al [5] implemented it based on the latest model-based systems engineering method. The model-based systems engineering method changed the traditional development model, and took the model as the core to separate the model from the platform, so that the model can be replicated on different platforms.…”