Buscar recursos académicos

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...

Needle-punched GCL and HDPE geomembrane (GM) are widely used in impermeable engineering, and the whole shear strength of multi-layer composite liner with GCL is crucial for the slope stability. A large simple-shear testi...

The earthquake liquefaction is one of the direct causes for unstable ground and damage of upper structure. Therefore, the liquefaction assessment is an important part of anti-seismic investigation in engineering. By taki...

The actual engineering problems induced by super low-strength soft clay are paid more and more attention with the rapid development of port and ocean engineering. However, the routine geotechnical experimental method can...

The dewatering effect of dredger fill using the vacuum preloading incorporated with electro-osmosis in different ways is evaluated by implementing six laboratory tests. The test results show that the asynchronous consoli...

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 sea sand-mud mixture used as filling material is proposed. The strength parameters and compression performance and permeability of soils are compared and analyzed through laboratory tests with different blending rati...

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...

Based on the actual state of the soil along rail transit in hot and rainy area, the resonant column tests on the soil under wetting and drying circles are conducted to study the stiffness characteristics of residual soil...

The impact roller (IR) compaction method is an efficient and cost-effective compaction technique, which has been widely used in highway and airport engineering for subgrade compaction and ground improvement of soft found...

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...

Currently the application of 50 drill pipe is more in the standard penetration test (SPT) in the geotechnical engineering investigation, which is different from the code that 42 drill pipe is specified. Based on the proj...

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 in-situ measurement formula for rock permeability is derived based on the theory of steady gas seepage. A rough judgement method for Darcy seepage in engineering is given based on the Pavlovsky’s Reynolds number fo...

Geothermal energy pile is the new pile technology that combines the ground source heat pump technology and building pile foundation. Due to the pile as the heat transfer carrier of ground source heat pumps, the bearing c...

The irrigation method can directly detect the density of the filling body. It has the merits of simple principle and easy to use, so it is widely used in the quality inspection of the filling materials of earth rock fill...

As one of composition materials (asphalt, aggregate, mineral powder) for hydraulic asphalt concrete, the mineral powder has a messy process of manufacture. Comparatively, the cement is easily processed and available for ...

The technology of borehole pressure relief is an effective way to reduce the elastic energy accumulation in the surrounding rock of roadways, which can reduce the risk of regional rock bursts. Therefore, the studies on t...

The vibration-induced liquefaction in soils is a notable hottopic in geotechnical engineering. The building collapse and embankment burst induced by liquefaction are fatal for the loss of lives and properties of human be...

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,...

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...

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...

The mathematical methods of FFT and wavelet transform are used to deal with the acoustic emission (AE) frequency information of rock fracture firstly. Combined with the spectral distribution of AE signal, the main respon...