Controlling Differential Settlement of Highway Soft Soil Subgrade by Hanhua Zhu Zhijun Wu Mengchong Chen & Yongli Zhao

Author:Hanhua Zhu, Zhijun Wu, Mengchong Chen & Yongli Zhao
Language: eng
Format: epub
Publisher: Springer Singapore, Singapore

Fig. 8.3Force diagram of the bearing system

The construction process for treating the bumps at the bridgeheads of an operating highway is described as follows:(1)Removal of the original pavement

The original pavement can be removed by a pavement milling machine or backhoe excavator vibration head that is consistent with the pavement type. After the pavement is removed and slag is cleared, construction of subgrade bearing piles (cement-mixed piles) begins.(2)Construction of subgrade bearing piles (cement-mixed piles)

(1)The bearing piles are soil–cement-mixed piles ; construction is performed by single-axis bidirectional soil–cement-mixed pile machines.

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