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The Wilcoxon rank sum nonparametric statistical test is introduced to establish an evaluation model for identifying structural domain boundaries in jointed rock masses. A new method for identifying structural domain boun...

Jacking force is one of the crucial parameters to decide design of pipe structure, selection of pipe jacking meachines and design of shaft structure for jacking projects. In order to more accurately calculate the jacking...

Using historical data from blasting operations of open-pit mines to predict the average rock fragment size is crucial for optimizing blasting parameters. However, existing methods face 3 major challenges: interference fr...

The statistics of uncertain rock and soil parameters can be updated with the information from different sources such as in-situ measurements and field observations via probabilistic back analysis, which can be further us...

The unloading deformation and range of the excavation slope are larger in high-ground stress or soft rock areas, and the ordinary bolt (cable) cannot meet the need of such deformation. So, exploring the new support measu...

In order to study the microscopic damage characteristics of marble by explosive impact loading, we carried out the blasting test of marble with different charges, analyzed the microcrystalline structure of marble specime...

Based on the framework of thermodynamics and critical state soil mechanics, a new α-β yield surface is formulated in the triaxial space. Based on the non-associated flow rule and bounding surface framework, the propose...

Advanced geological prediction is one essential part in tunnel construction, and 3D E-SCAN resistivity device is introduced. In this device, the current and measuring electrodes are arranged on the tunnel face, which can...

The self-sealing and self-healing behaviors of technological gaps in a high-level radioactive waste repository are analyzed. The systematical findings are summarized based on the previous studies on the effects of techno...

Based on an engineering qualitative accident instance of composite foundation with long and short piles, the field investigation and foundation deformation monitoring are conducted. The causes of engineering qualitative ...

As an isolation barrier between landfill and atmospheric environment, monolithic covers are used to control rain water infiltration and deep percolation into landfill. In recent years, the covers are proved to be effecti...

Based on one - dimensional leaky model for base aquitard of deep excavations, analytical solutions for the excess pore water pressure induced by variation of artesian water head and the corresponding exit gradients in th...

The settling column tests and the vacuum preloading model tests are performed on the waste slurry of a construction site in Shanghai and the additive agent slurry. The sediment and turbidity characteristics of slurries w...

The anti-plane dynamic stiffness coefficient of a rigid foundation embedded in a multi-layered transversely isotropic (TI) ground is obtained by using the indirect boundary element method (IBEM). Firstly, the interface o...

The parameters obtained from the piezocone penetration tests (CPTU) have been widely used for soil profiling and geostratigraphy over the decades. In this study, large amount of CPTU soundings and parallel drilling borin...

The unified hardening model (UH model) proposed by Yao et al. is the constitutive model which can consider the influence of the complex stress path and stress history on the deformation and strength of clays reasonably. ...

The establishment of macropore structure and infiltration simulation is primarily used to explain the mechanism and dynamic change of macropore flows. The macropore domain of unsaturated zone soil of slopes by means of C...

Plants are sophisticated and intelligent natural construction materials. They can be used for enhancing the stability of shallow soil slopes and minimizing surface erosion. It is evident that the use of plants can be low...

Under the framework of bounding surface plasticity and critical state concept, by introducing the disturbed state concept for hardening variables of elastic behavior, structured yield surface, structured bonding adhesive...

The excavation construction of twin parallel tunnels is simulated by using centrifugal model tests. The internal stress and deformation variation of shield structure of the existing tunnel and the ground surface settleme...

Sandbag cofferdam applies flexible load on soil foundation. The failure mode and sliding surface of soft soil foundation under sandbag cofferdam should be significantly different from that under rigid base. Aimed to get ...

A small-scale physical modelling system is developed to study the pull-out mechanism of embedded soil nails based on transparent soil and particle image velocimetry (PIV). Four types of soil anchorages, common cylindrica...

Since the coefficients of variation of soil properties vary in a large range, the real reliability index for the soil slope designed using the partial factor method also fluctuates in a range. This drawback limits the ap...