论文部分内容阅读
由交通部公路所等单位承担的“七五”国家重点科技项目(攻关)《自动弯沉仪的研制和应用技术》专题,于1991年4月在北京通过了国家级验收鉴定。与会专家一致认为,本专题立题正确、及时,适应了我国公路建设和现代化管理的需要。专题组在引进消化国外样机的基础上,吸取了当代英、法自动弯沉仪的特点,并结合中国国情自主开发成功了 JG-90型自动弯沉仪。该仪器总体设计合理,结构先进,操作和维护方便,性能稳定,重复性好,与
The project of “Development and Application of Automatic Deflectometer”, which is undertaken by the units such as the Ministry of Communications and other units during the “Seventh Five-Year Plan” period, has passed the national inspection and appraisal in Beijing in April 1991. Experts at the conference unanimously agreed that the theme of this special issue is correct and timely and has adapted to the needs of China’s highway construction and modernization management. Based on the introduction of digesting foreign prototypes, the special team learned the characteristics of contemporary English and French automatic deflection instruments and independently developed the JG-90 automatic deflection instrument based on China’s national conditions. The overall design of the instrument is reasonable, advanced structure, easy operation and maintenance, stable performance, good repeatability, and