Fengcheng, China
Fengcheng, China

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Du C.,Hebei University of Technology | Wei S.-W.,Real Estate Development Company | Yang X.-M.,Hebei University of Technology | Bai H.-L.,Hebei University of Technology
Shenyang Gongye Daxue Xuebao/Journal of Shenyang University of Technology | Year: 2014

In order to study the calculation formula of bearing capacity for concrete-filled steel tubular (CFST) column subjected to eccentric compression load, the component characteristics of both reinforced concrete (RC) column and CFST column were analyzed through comparing RC and CFST columns. The calculation formula of RC column under eccentric compression load, where the theory research was relatively mature, was established. Through adopting the plane section assumption, static equilibrium conditions, geometrical deformation conditions and physical conditions as well as according to the force characteristics of CFST column, the calculation formula of bearing capacity for CFST column under both large and small eccentric compression loads was theoretically derived. The present study provides not only a new algorithm for calculating the eccentric bearing capacity of CFST column, but also the basis for the theory development as well as the popularization and application of CFST column.

Han Y.,China Railway Siyuan Survey and Design Group Co. | Han Y.,Wuhan University | Fang H.,Real Estate Development Co.
Journal of Geomatics | Year: 2013

This paper aimed to research the Web Map Service (WMS) standardized international protocols which was offered by Open Geospatial Organization (OGC). It revealed a background support system for massive image network map publishing service, including the definition of space system, data organization and retrieval mechanism. The paper summarized the technology system constitutes of massive electronic map publishing through application mining on network electronic map. On the basis of a large number of experiments, it made out that its settings and programs of the commonly used several E-Map image data service which can be used to establish similar data publishing services or to carry out effective technical guidance and reference for application in engineering for WMS data resource.

Liu X.-J.,Xi'an University of Technology | Wang X.-X.,Xi'an University of Technology | Han H.-L.,Xi'an University of Technology | Han H.-L.,Real Estate Development Co.
Xi'an Jianzhu Keji Daxue Xuebao/Journal of Xi'an University of Architecture and Technology | Year: 2010

The paper discusses a more applicable and accurate method applied to the trend prediction of commodity housing price: equal-dimension grey addition model based on the multi-variable gray model. It then verifies the model according to a series of dates about commodity housing price and related indexes of XX city. As is shown, the model prediction accuracy has been improved continuously since equal-dimension grey addition model introduced into the multi-variable gray model. This method is of good practical value in the economic prediction.

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