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一、概述我国自1978年以来,大多采用脱钩器装置进行强夯固结地基(以下简称脱钩强夯)。本单位在1983年也是采用脱钧强夯固结地基。而国外通常采用大吨位履带吊车(80～150t)单缆强夯,锤重为12～15t,落距20m。国内秦皇岛码头煤堆场工程,也采用单缆强夯,履带吊车的最大起吊能力28.5t,扒杆长22.5m,卷扬机能力7.5t,锤重5t,落距16m。从上述可知,脱钩强夯较单缆强夯更新了一步,但脱钧强夯尚有不足之处,须进一步完善。例如,挂钩工人劳动强度大,每个工天由地表攀登夯
First, an overview China since 1978, most of the use of decoupling device for dynamic consolidation foundation (hereinafter referred to as decoupling dynamic compaction). The unit in 1983 is also used to close the ground consolidation rammer. In foreign countries, large-tonnage crawler cranes (80-150t) are usually used for single-line dynamic compaction. The weight of the hammer is 12-15t and the distance between the two is 20m. Domestic Qinhuangdao terminal yard construction, but also the use of single-cable rammer, crawler crane maximum lifting capacity of 28.5t, length of 22.5m Grilled rod, winch capacity of 7.5t, hammer weight 5t, 16m away from. It can be seen from the above that decoupling dynamic compaction is a step further than single-line dynamic compaction, but there are still some shortcomings in the process of dynamic compaction, which needs to be further improved. For example, pegged workers are labor-intensive and each working day is rammed by the surface