pressure grouting

In the design of the impermeable curtain grouting engineering, high-pressure cement grouting with orifice-closed adopted.

某水电站二期工程为地下厂房, 工程防渗帷幕灌浆采用了孔口封闭法高压水泥灌浆.

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Since then the consolidation grouting under high pressure were widely used in tunnel work in Chine.

从而开创了我国隧洞高压固浆灌浆的先例，对其它类似工程的施工有普遍意义。

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Application of High-pressure Spiral Jet Grouting Piles in Shield Tunnel Portal Soil Reinforcement Engineering

旋喷桩在盾构法隧道端头井洞口土体加固工程中的应用

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It analyzes the concrete reason that the hole-digging grouting pile's roughness has an influence to carrying capacity, summarizes the constructive measures that accrete hole wall roughness. Introduces the concrete construction technique of pressure grouting, and propounds the calculation formula of carrying capacity.

分析了钻孔灌注桩的孔壁粗糙度对其承载力产生影响的具体原因，并总结了一些增大孔壁粗糙度的施工措施，介绍了压力灌浆的具体施工工艺，并提出承载力计算公式。

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These measures of the deep mixing method combined with high pressure jet grouting and well-point dewatering in the sandy soil layer ensures the large slurry shield could smoothly breaks in the shaft.

在砂性土层中采用深层搅拌法结合高压旋喷法和井点降水进行地基处理，保证了大型泥水平衡盾构的顺利进洞。

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Experimental Study on Bearing Capacity of the Pile by Grouting PILING TECHNOLOGY THROUGH BASE PRESSURE GROUTING

桩底压力注浆桩承载力的试验研究

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Application of high-pressure spiral jet grouting combined with steel pillar in treating pile breakdown accident of bridge pile

钢立柱结合旋喷灌浆在处理桥位桩断桩事故中的应用

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The design of capacity, grouting pressure, grouting amount, construction sequence and terminal conditions are presented in this paper.

包括注浆桩设计过程中的承载力设计、注浆压力、注浆量设计、浆液设计、施工顺序设计和终止注浆条件设计等。

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Analysis and Discussion on the frictional resistance of soil around the pile of high-pressure spiral jet grouting

高压旋喷桩桩周土摩阻力的分析与探讨

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It must be first to do stopping-grouting mat for soft surface layer and tbe pressure of stopping-grouting must be more than 2 Mpa.

对表部松散层，必须先施工止浆垫；每段停注压力必须大于2MPa。

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