沉管法隧道管段浮运施工工艺 On the construction of immersed tunnel tube floating transport MENG Minqiang ( Guangzhou Salvage Bureau of tunnel, Guangzhou 510260 ) : Guangzhou Zhoutouzui tunnel E3 and E4 pipe floating - twist - floating - park construction is not used in the whole process of 500 tugs in the m, but the location of engineering ship layout winch and traction, traction and post layout to