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BUILDING materials research, EMBANKMENTS, SAND, CEMENT, POLYSTYRENE, MINERAL aggregates, MATHEMATICAL models
Abstract
Abstract This paper presents a new kind of material for use in highway embankments in the soft soil of the Yangzi River delta. The experimental study was carried out first to evaluate the effectiveness of the proposed material, using different mixtures of river sand, cement and expanded polystyrene beads. This was confirmed by numerical modeling which indicated both its suitability as regards strength and a reduced settlement compared with the general lime stabilized soil embankments. The environmental advantage is that it utilized river sand which has to be removed to retain the profile of the river bed. [ABSTRACT FROM AUTHOR]
Yi-Qun Tang, Xue-Xin Yan, Chun-Ling Yan, Han-Mei Wang, and Jian-Xiu Wang
Subjects
ENVIRONMENTAL engineering of buildings, MATHEMATICAL models, ENGINEERING geology, LAND subsidence, GEOLOGY, STRUCTURAL engineering, URBAN planning, FUZZY sets
Abstract
Abstract Land subsidence is a common geological hazard. The long-term accumulation of land subsidence in Shanghai has caused economic loss to the city. Since the 1990s, engineering structures have become a new cause of land subsidence. The concept of the geology-environmental capacity of buildings is put forward. The main factors involved in land subsidence were determined and related to the floor area ratio. The relationship was assessed using the adaptive neuro-fuzzy inference system for four typical regions in Shanghai, in order to give some guidance in respect of urban planning. [ABSTRACT FROM AUTHOR]
Published
2010
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