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前言我厂在多年生产手提击实仪的实践中,考虑到旧仪器在试验时存在的问题,以及科研、使用单位的迫切需要,根据水利电力部《土工试验规程》,并参照了美国水道试验站(WES)_(70),美国材料试验学会ASTM-76,日本标准,JISA_(1210—1970),英国标准BS_(1377—1975)等击实标准,研制成功了DJ—(92/100)型标准电动击实仪。82年11月通过了设计定型鉴定。
Preface I plant in the production of portable compaction for many years in practice, taking into account the existing problems in the testing of the old instruments, as well as the urgent need of scientific research, the use of units, according to the Ministry of Water Resources “Geotechnical Test Regulations” and with reference to the American Watercourse Test (WES) _ (70), the American Society for Testing and Materials ASTM-76, the Japanese standard, JISA_ (1210-1970), the British standard BS_ (1377-1975) and other compaction standards, the successful development of the DJ- (92/100) Standard electric compactor. 82 years in November adopted the design stereotypes.