管井

粉细砂地层管井过滤器设计研究

Filter Design of Tubular Well in Silt Layer

方法打斜管井深入黄河河床以下30m处，以大功率水泵抽水，经加氯消毒后供生活饮用。

Methods An inclined tube well collecting percolating ground water with powerful pump in the water-bearing stratum in the depth of30 meters below the riverbed of Huanghe River was built .

本文介绍了土壤源热泵垂直埋管式换热器的三种不同简易计算模型，引入不同的导热形状因子，并利用G函数来确定管井井壁的温度。

Three kinds of simple heat transfer models of ground source heat pump systems equipped with vertical U-tube ground heat exchanger are introduced . G-function and conduction shape factors are employed to calculate the sidewall temperature of tube-well .

建起了具有两眼120m深埋管井和四眼100m测温辅井的垂直U型埋管土壤源热泵实验系统，热泵机组采用R22全封闭涡旋压缩机，ARI标定工况制冷量为21.8KW。

The U-tube vertical pipe loop was inserted into the two 120m deep boreholes , and other four 100m deep drilled wells are auxiliary well for temperature testing . The cooling capacity of R22 scroll compressor is 21.8 kW at the ARI standard rating condition .

管井群降水在细粉砂土地基中的应用

Tube wells lowering water using in foundation with fine sand soils

管井堵塞物机理分析及洗井方法探讨

Analysis on Mechanism of Tubewell Clogs and Method of Well Washing

结合工程实例综合比较了两种降水方案，最终选定了管井降水的方案。

Combined with engineering example two dewatering plans are compared comprehensively .

管井的滤网塞式钢筋混凝土过滤器

The Filter Screen Plug Typed Reinforced Concrete Screen of Tube Well

松散含水层中供水管井过滤器直径、长度的设计

Choice of diameter and length of screen pipe of water well

管井水头损失（垂向流部分）

Water head loss of pipe well ( part of vertical fiow )

管井井点降水的设计与施工

Designing and construction of well pipe and well point drawdown

管井修复方法的分析与应用

Analysis and Application of the Restoration of the Tube Well

管井出水量与降深、井径关系的研究

A study on the relationships between well-yield , drawdown and well diameter

支流泄水；广义管井水头损失

Pollution from the branches ; THE GENERALIZED WATER HEAD LOSS OF PIPE WELL

高压喷射洗井工艺在我厂供水管井中的应用

Application of high pressure jet washing technology for water wells in Tianjin waterworks

供水管井井水含砂量标准的理论和实践

Theory and Practice of Well Water Sand Content Standard in Water Supply Pipe Well

本文论述了采用管井降水和井点降水的施工方法，降低了地下水位。

The pipe well and wen point are adopted to lower the water level .

管井滤水管实用长度研究

Study on the practical length of well screen

分析和总结了管井堵塞的主要原因和相应的解决措施；

Main reasons and corresponding remedial measures of tubewell clogging are analyzed and summarized .

止水帷幕和管井降水在深基坑支护中的应用

Application of water-seal curtain and tube well dewatering in support of deep foundation pit

塑料管井群排水技术在水利施工中的应用

The Application of Drainage Technology with Group of Plastic Pipe Wells on Hydraulic Construction

常微分方程史略广义管井水头损失

The generalized water head loss of pipe well

轻型井点与管井结合方式在深大基坑降水中的应用

Using both Vacuum Point Well and Pipe Well to Dewater Deep and Large Foundation Pit

无砂管井降水在上海世博轴工程中的应用

The Application of Non-sand Pipe Well Dewatering Technology in the Shanghai Shi Bo Zhou Project

梅园大厦深坑基础采用无砂混凝土管井降水的应用

The application of adopting unsanded concrete tube well precipitation in the deep foundation of Mei-Yuan building

水井的成井工艺极为重要，必须要求是大口径钢制管井。

Wells , well completion process is extremely important , we must demand is large-diameter steel tube .

管井出水量减少机理分析和处理措施探讨

Mechanism analysis of the declining water production on the tube well and Study on the treatment measures

薄水泥环套管井碳酸盐岩地层中合成波形分析

Analysis of Synthetic Acoustic Waveforms in a Cased Borehole with Thin Cement Annulus Bedded in Carbonate Strata

因此应根据土壤特性，选择合适的单位长度管井换热量。

Appropriate quantity of heat exchange of unit length tube well should be chose according to edaphic characteristics .

受煤槽深基坑土方工程管井降（截）水施工

Construction of Pipe Well for Lower ( Obstruct ) Water in Deep Foundation Pit Earthwork of Coal Container