Buscar recursos académicos

In order to study the influence of the backfill characteristics of the large karst area on the load transfer of the pile foundation and to improve the safety and economy, considering the characteristics of the side frict...

The soft soils can meet the bearing needs of the constructions and infrastructures through the appropriate artificial treatment, and the carbonated MgO-mixing pile method is an innovative foundation treatment technology,...

The methods for loess collapsibility mainly include field immersion testing method and laboratory testing method. A majority of the results of laboratory testing method differ greatly from the engineering practice. The d...

A refinement method is proposed to solve the difference in the macroscopic elasticity and the interpenetration in interface area between different particle-size areas in the DEM. In simulations of 3D DEM large-scale prob...

When the vacuum preloading method is used to reinforce the flowing mud, the settlement of the foundation is relatively large and the water content is also greatly reduced, but sometimes the vane shear strength is still l...

To find a simple and precise settlement calculation method for rigid pile composite foundation is still an urgent problem which is not solved as yet. For the settlement calculation of rigid pile composite foundation in s...

Considering the heterogeneity characteristics of concrete materials, the method of the mesoscopic mechanics is used to investigate the dynamic damage of slabs of concrete face rockfill dam (CFRD) combined with the statis...

Numerical analysis of basal upheaval stability of foundation pits is a very important method in researches on deep excavation engineering, which is in the initial development stage and is of important issues remained to ...

The stability standards for plate load tests on soft foundation are studied based on the engineering practice. The differences of determing the characteristic values of bearing capacity and the ultimate values of bearing...

The soil disturbance deformation induced by sampler penetration has a significant influence on the physical and mechanical properities of soil in soil investigation engineering. A series of small-scale model tests with d...

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...

Based on the concept of true stress and the strain equivalence hypothesis, a three-dimension elastic-plastic damage constitutive model for rock is established. Combining the nonlinear unified strength model as the yield ...

The inorganic materials adopted in the improvement of expansive soil engineering include lime and cement. During the construction process, the improving effect is greated influenced by the mixing uniformity of the soil c...

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...

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...

The analytical solutions are presented for the sequential excavation of the tunnel with any shape in viscoelastic rock subjected to anisotropic stress conditions. The complex variable method and the Laplace transformatio...

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...

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...

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...

In order to obtain the criteria and precursor characteristics of critical rock fracture, laboratory experiments on the characteristics of acoustic emission (AE) of gritstone specimens under uniaxial compression are carri...

The shear modulus and damping ratio of EPS composite soil, as a kind of artificial filling material, are the key parameters to analyze the dynamic stability of embankment. 15 cyclic torsional tests are conducted on the h...

Based on the thin plate theory and the elastodynamics theory, the mechanical analysis model and the dynamic differential equations for the infinite elastic plate on orthotropic foundation under moving harmonic loads are ...