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The model test system designed is in accordance with the conditions of foundation pit engineering, which can simulate the groundwater seepage. It is composed of a soil box, a drainage box, a feed-water tank, an upper wat...

The expansive soils have the tendency to expand in wetting and to shrink in drying. The addition of cement is one of the methods to enhance the engineering properties of such soils. The effects of varying cement contents...

In order to study disaster evolutionary process and failure characteristics of Yonglian tunnel of Ji'an-Lianhua highway under the effect of disturbance, taking F2 fault fracture zone as the research object, a large-scale...

As the water pressure of shield tunnel increases, the key to tunnel construction is to strengthen the water resistance of joints. By analyzing the characteristics of stress and deformation of the gaskets in the joints of...

The liquefaction resistant rigid-drainage pile is a new type of pile which can be used in geotechnical earthquake engineering. The pile combines the bearing capacity of rigid pile and the drain-ability of gravel pile. Ba...

With the further development of marine exploration in China in recent years, higher requirements are put forward for the capacity of the soil and cyclic loading effect for the offshore engineering. Due to the difficulty ...

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 gassy soil containing entrapped gas bubbles is a special type of unsaturated soils, and the compressibility of air-water mixture in gassy soils cannot be ignored. Based on the conceptual model for small bubbles, the ...

A series of undrained cyclic tests with variable confining pressures are conducted on Ningbo saturated soft clay by using the GDS cyclic triaxial system. In this study, the coupling effects of cyclic deviatoric stress an...

In order to study the electrical resistivity of oil-contaminated soils, the diesel-contaminated soils and kerosene-contaminated soils with different water contents, oil contents are mixed in the laboratory by hand. The f...

According to the landslide characteristics of the slope of the reservoir bank of Longjiang Hydropower Station in Yunnan Province, laboratory tests are conducted to investigate the characteristics of the landslide under t...

Based on the test principles of geological mechanics model and engineering geological and hydrogeological conditions of Nansi Lake, 12 geological mechanics model are established. By simulating the coal mining under the l...

Soil compaction in the process of pile driving has always plagued engineers. How to speed up the dissipation of excess pore water pressure during the pile driving is the current research focus. The permeable pipe pile, w...

The tests are performed to study the gas permeability of unsaturated intact Q3 loess with various water contents under different isotropic stresses using the improved triaxial gas permeability equipment. The influences o...

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...

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...

Constructing high-fill embankment over soft soils will lead to a substantial deformation of foundation, therefore it is necessary to strictly monitor the settlement and pore water pressure of the foundation. A high-fill ...

The earthen final covers based on the water storage and release principle have a promising application in the landfills in arid and semi-arid areas. Most of the previous studies concentrate on the rainwater infiltration ...

As a building material, the loess is usually required to be compacted in engineering construction, thus the deformation characteristics of compacted loess with the increase of water content are closely related to the saf...

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 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...

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 column tests on advection-dispersion are commonly used to measure the contaminant transport parameters in soils. The applicability of boundary conditions for analytical modelling of the column tests is under debate. ...

It is important to determine the seepage field parameters of high earth-rock-fill dam using the observed seepage data during operation period. For Nuozhadu core rockfill dam, the training samples are produced for saturat...