TWIN JET-GROUTING TECHNOLOGY WITH DUAL-ROD FOR INSTANT SOLIDIFICATION OF SOFT GROUND

Sun Wenjuan; Shen Shuilong; Luo Chunyong; Kim Yonghyun

doi:10.13204/j.gyjz201003029

Volume 40 Issue 3

Dec. 2014

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Article Navigation > INDUSTRIAL CONSTRUCTION > 2010 > 40(3): 135-138

Liu Jiahui, Bai Juan, Liu Lixin. EXPERIMENTAL STUDY ON SHEAR BEHAVIOR OF CONCRETE BEAMS REINFORCED BY HOT ROLLED RIBBED BARS OF FINE GRAINS[J]. INDUSTRIAL CONSTRUCTION, 2010, 40(10): 106-110. doi: 10.13204/j.gyjz201010024

Citation:

Sun Wenjuan, Shen Shuilong, Luo Chunyong, Kim Yonghyun. TWIN JET-GROUTING TECHNOLOGY WITH DUAL-ROD FOR INSTANT SOLIDIFICATION OF SOFT GROUND[J]. INDUSTRIAL CONSTRUCTION, 2010, 40(3): 135-138. doi: 10.13204/j.gyjz201003029

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TWIN JET-GROUTING TECHNOLOGY WITH DUAL-ROD FOR INSTANT SOLIDIFICATION OF SOFT GROUND

doi: 10.13204/j.gyjz201003029

1.
1. Department of Civil Engineering,Shanghai Jiaotong University,Shanghai 200240,China;
2.
2. Korea Foundation Technology Co. Ltd,Korea

Received Date: 2009-05-26
Publish Date: 2010-03-20

Abstract

Abstract

Twin jet-grouting technology with dual-rod (TDR) is a useful approach to solidify the soft soil instantly, in which accelerator is used to mixing with cement slurry. The main equipments of twin jet-grouting include a high pressure cement pump,a accelerator pump,a diverter,a drilling rod,a drill rig,and a multifunctional injection monitor with two nozzles,through which the high pressure cement slurry is jetted out from the upper nozzle,eroding soil,and the accelerator shrouded the high pressure cement slurry is jetted from the lower nozzle,mixing with the eroded soil. Therefore,the admixture can gel within several seconds. TDR has the possibility of wide applications for its instant solidification of soft sandy soil with much groundwater.
- twin jet-grouting,
- high pressure jet,
- accelerator,
- instant solidification

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References(7)

References

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[3] Nakashima S,Nakanishi W. All-Around Type Reinfor cing and Consolidating Method in the Ground and Apparatus Thereof. U. S.Patent:5401121[P],1995(3):28.

[4] 牛虹.高压旋喷法的施工特性及设备[J].工业建筑,2002,32(10):52-55.

[5] 沈水龙,金龙县,洪振舜,等.用高压喷射双液浆体使软土地基快速凝固的设备.中国,200810033981.4[P].20080228.

[6] 沈水龙,王领,白云,等.水平旋喷施工中的一次性成孔与旋喷的施工设备与方法.中国,200810037410.8[P].20080515.

[7] Shibazaki M.State of Practice of Jet Grouting[J]. Grouting and Ground Treatment,Geotechnical Special Publication,ASCE,2003(120 I):198-217.

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