| 节能型变频器在长螺旋旋喷搅拌桩止水帷幕中的应用 |
| 投稿时间：2010-09-10 点此下载全文 |
| 引用本文：何世鸣,赵晓东,李德江,等.节能型变频器在长螺旋旋喷搅拌桩止水帷幕中的应用[J].钻探工程,2010,37(10):85-88.HE Shi-ming,ZHAO Xiao-dong,LI De-jiang,et al. Application of Energy-saving Converter for Waterproof Curtain of Long Spiral Rotary Jetting and Mixing Pile[J]. Drilling Engineering, 2010,37(10):85-88. |
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| 中文摘要:长螺旋旋喷搅拌桩技术是一种新型的止水帷幕技术，采用改装的长螺旋钻机在机械搅拌土体的同时进行高压喷射水泥浆形成桩体。由于长螺旋钻机钻杆转速较慢，但提升速度较快，使高压水泥浆不能充分切割土体,使桩体均匀性差，强度低，止水效果不好，而在长螺旋钻机中使用变频器后可人为改变钻杆升降速度，使旋喷搅拌更充分，桩体更完整，止水效果更好。同时也省去了繁琐的动滑轮系统，使得装置更简便。发电机功率变小，钻机电流变小，达到了节能的目的。 |
| 中文关键词:长螺旋旋喷搅拌桩 变频器 止水帷幕 升降速度 |
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| Application of Energy-saving Converter for Waterproof Curtain of Long Spiral Rotary Jetting and Mixing Pile |
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| Abstract:The long spiral rotary jetting and mixing is a new technology, by which the pile is constructed with mechanical mixing soil under high-pressure jetting by the modified long-spiral drill. The rotary speed of the long-spiral drilling is slow, but the lifting speed is quick. The soil can’t be cut fully by the high-pressure cement, which causes the low pile body uniformity, low strength and poor water-stop effect. While the converter is used in the long-spiral drilling, the lifting and falling speed can be adjusted in need of construction for fully mixing, better pile body condition and better water-stop effect. At the same time, the movable block is saved; the appliance becomes more simple and convenient with smaller generator power and drilling current for energy saving. |
| keywords:long spiral rotary jetting and mixing pile converter waterproof curtain lifting and falling speed |
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