泵压

通过测试和分析，得出了泵阀关闭速度与泵压基本无关、泵阀关闭时的冲击能较小的结论。

The test result shows that the closing speed of the valve is not related to the pumping pressure , and the minor impacting energy is produced in the course of valve closing .

为了给压裂施工提供合理的泵压增量及地层破裂压力参考值，需要预测压裂裂缝的高度。

It is necessary to predict hydraulic fracture height for providing pumping pressure increment and fracturing pressure reference value .

浅谈长螺旋钻管内泵压CFG桩施工工艺

Construction technology of a long spiral drilling pipe CFG pile

长螺旋钻孔管内泵压CFG桩混合料的试验研究

Experiment Study on mixture of pressure pumped CFG piling by continuous auger drilling

长螺旋钻孔管内泵压CFG桩在地基处理中的应用

Application of Pressure Pumped CFG Piles by Continuous Auger Drilling in Ground Treatment

长螺旋钻孔内泵压CFG桩施工的质量控制

The quality control of pressure pumped CFG piling construction by continuous auger drilling

CFG桩螺旋钻孔-泵压砼成桩工艺施工参数和工艺流程的探讨

Discussion on Constructional Parameter and Technological Process of Twist Drill-Concrete Pump Piling of CFG Piles

长螺旋钻孔管内泵压CFG桩承载力性状的对比试验分析

Testing Contrast Analysis on the Bearing Behavior of Pressure Pumped CFG Pile Using Continuous Flight Augers Drilling

长螺旋钻管内泵压CFG桩混凝土中粉煤灰的掺加技术

Blending Technique of Fly Ash in Concrete for Internal Pumping-Pressurizing CFG Pile with Long Spiral Drilling Pipe

长螺旋泵压CFG钻机在斜坡桩基础施工中的改造应用

Reform application of CFG drilling machine with continuous flight auger and pump pressure in slant pile foundation construction

轴承套圈缩挤整径力的多元回归分析长螺旋钻孔泵压灌注CFG桩缩径与对策

Multiple Regression Analysis for Bearing Ring Reducing Extrusion Finishing Diameter Force Reducing diameter and countermeasure of the CFG piles

长螺旋钻管内泵压CFG桩成桩工艺混合料堵管的原因及预防措施

The Clog Pipe Reasons of Mix-Material to CFG Pile Technology of Long Twist Auger Pump Pressure in Pipe and Precautionary Measures

长螺旋钻管内泵压CFG桩是近年来发展起来的一种复合地基新技术，在全国大部分地区推广应用。

Pressure pumped CFG pile by continuous auger drilling is a new technology developed in recent years , which is widely applied in nationwide .

混合料堵管是长螺旋钻管内泵压CFG桩成桩工艺中最为普遍的问题之一。

Mix-material clog pipe is one of the common problem in CFG ( Cement Fly-Ash Gravel ) pile of long twist auger pump pressure in pipe .

针对中国电影博物馆工程使用长螺旋钻管内泵压CFG桩复合地基施工技术作了一些有益的尝试、研究和总结。

The construction technique of CFG piled composite foundation by long auger boring methodology is studied and summarized according to the project of China Film Museum .

长螺旋钻孔管内泵压CFG桩成桩混合材料施工方法，具有施工噪音低，成桩速度快，工程造价较低等特点。

Long spiral hole pump pressure CFG ( Cement Flyash Gravel ) pile construction technology has such advantages as small noise , quick construction rate and low construction price .

应用长螺旋钻管内泵压CFG桩施工工艺处理高灵敏度土时，常常造成桩周饱和土层剪切液化，引发串孔、缩径、断桩、地面沉降等不良工程事故。

Fleeing problem , reducing diameter , breaking pile and land subsidence , etc often happen during the application of twist boring concrete pumping piling technique in high sensitive soil .

但是在有着较高地下水位及易流动的粉土、粉砂土地层的郑州泛滥平原工程地质单元地区进行CFG桩长螺旋钻管内泵压施工有较为严重的环境岩土工程问题。

However in the haugh area of Zhengzhou with high level underground water > easily flowing silt or mealy sand layer , CFG pile has induced serious environmental geotechnical engineering problem .

介绍一种国内最新研制成功的、在高压（p≤25MPa）条件下测定复合固体推进剂药条燃速的测试技术&泵压水下声发射法。

He paper describes a newly developed system ( the pump-impressed underwater acoustic emission system ) to measure burning rate of composite solid propellant strands under high pressure ( p ≤ 25MPa ) .

CFG桩长螺旋钻管内泵压成桩成套设备于1999年12月通过了国家验收。CFG桩的施工工艺由振动沉管打桩过渡到长螺旋钻管内泵压成桩。

The set of CFG pile with long screwy drill pipe inner pump pressure was checked and accepted by state in Dec , 1999 . Now , CFG technology has totally transferred from driven caisson pile to long screwy drill pipe inner pump pressure .

实验采用SD150测试系统主要研究了泵压和自激振荡腔长对射流频率的影响。

The effects of pump pressure and the length of the oscillation cavity on the jet oscillating frequency are studied using SD150 test system .

无阀微泵压电应力流体耦合场数值计算研究

Research on the Piezoelectrics-Stress-Fluid Coupling Numerical Simulation of the Valveless Micropump

通过泵压踏板来对操作液压系统进行放气。

The actuating hydraulic system is bled by pumping the pedal .

医生把毒药从他的胃里泵压出来。

The doctor pumped the poison out of his stomach .

低温推进剂液体火箭发动机超导电磁泵压循环系统初步设想

Conceive of Cryogenic Propellant Engine Superconductor Electromagnetic Pump Circulating System

离心泵压水室内部流动数值模拟

Numerical simulation of internal flow through the spiral casing of centrifugal pump

泵压现在很高。

The pump pressure is shown to be high .

首先建立压电泵压电振子振动方程，导出弯曲振动形变函数；

The vibration equations were built to deduce the flexural vibration deformation functions .

径向井张力泵压测量仪的研制

Research and Manufacture of Measuring Instrument for Radial Well 's Tension Pump Pressure

万一泵压忽高忽低，应该怎么办？

Should the pump pressure fluctuate very often , what could be done ?