土中无轴宽型螺旋带现场拉力试验研究.pdf

施工技术 2015年4月上 102 CONSTRUCTION TECHNOLOGY 第44卷第7期 D0I:10.7672/5j52015070102 土中无轴宽型螺旋带现场拉力试验研究* 卢清国，曹元义 (北京工业大学建筑工程学院，北京100124) [摘要]针对在土中隧道掘进机前方布置多个无轴宽型螺旋器向土中旋入，螺旋旋入后产生的牵拉力使整个掘进 机前行的原理，制作了采用无轴宽型螺旋带方式牵拉前行的土中自行走式隧道掘进机，并进行了现场拉力试验研 究.通过理论分析计算，参照前期小型螺旋试验结果，通过在现场的掘进样机的牵拉试验，分析并得出了无轴宽型 螺旋带在掘进样机前行中可提供的拉力，为螺旋牵拉结构的选型和自行走式隧道掘进机的进一步开发和应用提供 参考依据. [关键词]隧道工程：自行走式掘进机：无轴宽型螺旋带：螺旋牵拉：试验 [中图分类号]U455.44 [文献标识码]A [文章编号]1002-8498(2015)07-0102-03 The Tension Research of Shaftless Wide Type Spiral Band in Soil Lu Qingguo Cao Yuanyi (The College of Architecture and Civil Engineering Beijing University of Technology Beijing 100124 China) Abstract:This paper aimed at the several wide type spirals without shaft placed in front of the tunnel boring machine which could provide pulling force and drive the whole machine forward when screwed in soil.The authors produced the self-propelled tunnel boring machine driven by wide type spiral band without shaft and did the field pull test.Through theoretical analysis refering to the pull test of small spiral earlier and the field pull test of boring machine the authors get the pulling force provided by wide type spiral band without shaft.Finally they get the selection basis of spiral pulled structure and the future development and application basis of self-propelled tunnel boring machine. Key words:tunnels;self-drive advancing machine;wide type spiral without shaft;screw driver;tests 0引言 的反力.利用此反力，通过推或拉自身结构使掘进 掘进机是一种应用于铁路、公路、城市市政等 机在土中“蠕动”伸缩式前进，是一种新的掘进机外 地下工程、隧道领域的高科技...