目前,扭工字块作为护面块体的一种,在港口工程中愈来愈起着重要的作用,同时扭工字块的产品质量也愈来愈引起人们的重视。现在国外予制的扭工字块一般是标准化,胎具化和工厂化的生产,形状大多是八角型,重量从几吨到几十吨不等。近年来,随着我国港口建设的不断发展,扭工字块的需求量也日益增长起来(据八四年 At present, torsional block as a kind of retaining block has been playing an increasingly important role in port engineering, meanwhile, the quality of torsional block has also drawn more and more attention. Now the system of torsion blocks to foreign countries is generally standardization, tire production and factory production, mostly octagonal shape, weighing from a few tons to dozens of tons. In recent years, with the continuous development of China’s port construction, the demand for twisting blocks has also been increasing