Hubei Dijian construction Co.

Wuhan, China

Hubei Dijian construction Co.

Wuhan, China

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Feng C.,Hubei Dijian Construction Co. | Feng S.-H.,Hubei Dijian Construction Co. | Feng S.-H.,Wuhan Geological Survey and Basic Engineering Co.
Yantu Gongcheng Xuebao/Chinese Journal of Geotechnical Engineering | Year: 2012

Based on two excavation of Four-season Garden in Zhuhai and the flood channel of Macao University in Hengqin New District the construction sites are both above weak foundation in deep silt with excavation depth of less than 5 meters, which have several accidents during excavation. The analyses of the above two accidents show that they are deep slip failures due to different reasons. Some suitable measures are put forward according to the owers' requirements. The excavation of Four-season Garden is sloped and reinforced, and the excavation for the flood channel of Maco University employs riprapeds and plastic drainage plates and stratification of preloading for the mud after the wall. Hierarchical load in controllable situations of monitoring deformation is adopted, which still needs to be filled to the design elevation of new filling. They result in successful stability of excavation slopes. Several points for accident prevention and measures are summarized so as to provide reference for the design and construction of similar projects.


Niu C.,Jilin University | Wang Q.,Jilin University | Chen H.,Jilin University | Wang K.,Jilin University | And 2 more authors.
2011 International Conference on Multimedia Technology, ICMT 2011 | Year: 2011

The black soil region in Jilin Province is one of the main commodity grain production base in China, but its soil has began to appear degradation and destruction on different degree. With the aim to study the degradation mechanism of black soil for protecting the geo-environment, we conducted the field investigation and chose twenty-nine items, carrying out principal component analysis on twenty samples of different areas and depths in Jilin Province. Principal component analysis is used to reduce the dimension of the evaluation factor. Twenty-nine factors were classified into seven uncorrelated principal components, which reduced the complexity in analysis process.And it adopted cluster analysis method to make sorts of twenty samples into three black soil degradation grades. The result preferably coincided with practical situation of the degradation of black soil in Jilin. Some effective suggestions were proposed according to the result of soil degradation. © 2011 IEEE.


Zhou Z.,Wuhan University | Zhang J.,Wuhan University | Peng J.,Hubei Dijian construction Co.
Electronic Journal of Geotechnical Engineering | Year: 2015

Considering features, such as obvious nonlinear and chaotic characteristics, of the time series of landslide displacement, this paper proposed a wavelet analysis and support vector machine coupling model (WA-SVM) to predict the displacement of a landslide. The monitored time series of displacement firstly is decomposed into several components, including high frequency components and low frequency components, by using the wallet analysis (WA). Subsequently, these components, with different frequencies, are predicted separately by the support vector machine (SVM). The final predicted values can be obtained by superimposing all predicted components. In order to evaluate the predicting performance of this model, this paper applies the WA-BP model to BaiShuihe landslide, located in the Three Gorges Reservoir in China. The result shows that the prediction performance of both models is acceptable and the WA-SVM model seems to be superior the WA-BP model in terms of the main accuracy evaluation indexes. © 2015 ejge.


Dai M.,Hubei Dijian Construction Co. | Deng M.,Hubei Dijian Construction Co. | Zhang Z.,Hubei Dijian Construction Co. | Wu L.-S.,Hubei Dijian Construction Co.
Yantu Gongcheng Xuebao/Chinese Journal of Geotechnical Engineering | Year: 2014

The retaining structures for deep excavation of Longquan International Park in Qichun County, Huanggang City of Hubei Province are taken for an instance. Owing to unsmooth bedrock formations, the problem of inadequate embedded depth of retaining piles in deep excavation is studied. Good results are achieved by using longer and more dense anchors, reserved soil platforms before retaining piles and other measures. Meanwhile, some construction points of mixing pile, anchor and confining prison in similar formations are summarized and analyzed according to the project implementation process.

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