Studying of Heat Transfer of Ground Source Heat Pump's Underground Pipe 竖直埋管型地源热泵地下传热及热力性能的研究
Application of Box-Cox transformation in analyzing the ground subsidence induced by pipe jacking Box-Cox变换及其在顶管施工引起地面沉降分析中的应用
Therefore they could be installed in a secure location on the ground, so that a pump or pipe to avoid being tripped or the possibility of damage from vehicles. 因此可以把它们安装在地面之上的安全位置,这样就避免了泵或管道被绊倒或被来往车辆损害的可能性。
Various road and ramp crossings with some above ground leak detection and multiple below ground double wall pipe sections. 地上是各种道路和跑道纵横,地下是双重管道多层交错。
Measuring analysis on pore pressure of saturated soft clay ground in the sinking of pipe piles 管桩沉桩过程中饱和软粘土地基孔压变化实测分析
Field test study on deformation characteristic of composite ground with pre-stressed pipe piles under widening embankment 拓宽路堤下PHC桩复合地基变形特性监测分析
Research on Ground Deformation Caused by Pipe Jacking Construction 顶管施工应力引起地面变形分析
Study on calculation methods of ground deformation induced by pipe jacking construction 顶管施工引起地面变形的计算方法研究
Construction technique to control ground settlement and underground pipe settlement in bored metro tunnel 矿山法施工地铁隧道时控制地表沉降、地下管线沉降的施工技术
Through research on H_2S corrosion mechanism, we have adopted different anticorrosion measures to ground gathering line and production pipe of bottom hole, which have delayed the corrosion of the steel caused by H_2S effectively and got great economic benefits. 通过对H2S腐蚀原理的研究,分别对地面集输管网及井下生产管柱采取了不同的防腐措施,有效地延缓了H2S对钢铁的腐蚀,取得了较好的经济效益。
Prediction of settlement induced by ground loss during pipe jacking construction 顶管施工中土体损失引起的沉降预测
Two multi-story buildings are built at soft ground conditions. PHC pipe pile foundation is proposed in the original design. 某地两幢拟建于软土地基上的建筑物,原设计均采用PHC管桩基础。
Temperature Field Analysis of the Under ground Straight Buried Pipe 地下直埋管道的温度场分析
This software system relieves the work intensity for the program device people greatly, enhances the science and the accretion of the designation calculation, and is favorable to enhance the modernization level of the oil field ground pipe system designation calculation and administration. 该软件系统可以大大地减轻工程设计人员的劳动强度,提高设计计算的科学性和准确性,而且有利于提高油田地面管线系统设计计算和管理的现代化水平。
Computation of ground settlement induced by the pipe jacking using multivariate linear regression method 多元线性回归分析法计算顶管施工引起的地面沉降
A Study on Design Theory About Composite Ground with Prestressed Pipe Piles Under Embankment 路堤荷载下管桩复合地基设计理论的试验研究
This software system not only can perform the single pipe forward and inversion hydraulic thermal designation calculation, but also can perform the oil field ground production circle pipe hydraulic thermal optimize designation calculation and made the range of the application widely. 该软件系统不但可以进行单一管线的水力热力正向与反向的设计计算,而更主要的是还可以进行油田地面生产环线水力热力优化设计计算,使得软件系统的使用范围更加广泛。
The experiments were set on the ground connected pipe test station with air mass rate of 1.2kg/s. 试验是在空气流量1.2kg/s左右的地面连管试验台上进行的。
The strategy of optimization is decomposing the big system, then optimizing single well, gas accumulation and ground pipe network respectively, finally optimizing the big system. 在优化对策上是对大系统的优化进行分解,分别对单井、气藏及地面管网进行单项优化,在此基础上再对大系统进行优化研究。
Because of the existence of additional earth resistance, the maximum of the ground surface deformation perpendicular to the pipe axis is at the side of the center of the pipe-jacking curve and the distance of deviation depends on the radius of pipe-jacking curve. 曲线顶管由于附加土体抗力的存在,管轴垂直方向地表变形的最大值偏向顶管平面曲线的圆心一侧,偏移的距离与顶管的平面曲线半径有关。
Study on calculational method of ground settlement induced by level parallel pipe jacking 水平平行顶管引起的地面沉降计算方法研究
Considering the effects of former pipe jacking on the latter, a new calculational method for ground settlement of latter pipe jacking is put forward with an analytical calculation example. 考虑先施工顶管对后施工顶管的影响,提出了一种新的后施工顶管地面沉降计算方法,并给出算例分析。
Analysis of site monitoring of ground deformation induced by parallel pipe jacking construction 平行顶管施工引起的地面变形实测分析
Analysis on Ground Subsidence for Tunnel Pipe-jacking Pre-support 隧道顶管预支护的地表沉降分析
Analyses is made on the observational data of surface deformation, lateral deformation at sub-surface, pore water pressure, earth pressure, ground water level and in-situ pipe jacking construction records. 对某顶管工程进行了现场监测,内容包括地面变形、深层土体移动、孔隙水压力、土压力、地下水位以及顶管施工现场记录。
The disturbance scopes in lateral and vertical directions, and calculational formulas for ground settlement are gained by analyzing the rules for ground deformation induced by level parallel pipe jacking construction in one underconsolidation soil. 对海相沉积的欠固结土中水平平行顶管施工引起的地面变形规律进行分析,提出地面横向和纵向扰动区范围及工后沉降的计算方法。
At the same time, the authors have also presented a regression equation of the relation between different ground slopes and optimal pipe network area. 同时提出了不同地面比降与最佳管网面积关系的回归方程。
Explosion quake caused steel pipe wined, buttress subsided and ground fissured at6th pipe section of the Yinghe Hydroelectric Installation. 爆破振动使荥河电站六管段管沟裂缝、支墩下沉、钢管弯曲。
In the design process, some different methods of calculating the ground heat pipe length has been introduced, and then the ground pipe length has been obtained by the method of computer simulation. 在设计过程中,分别介绍了不同的地埋管管长计算方法,并利用计算机模拟的方法计算出了设计工程的地埋管管长。
Ground pipe heat exchanger is an important part of GSHP systems, as well as the core of GSHP technical research. 地埋管换热器是地源热泵系统中的重要部件,也是地源热泵技术的核心研究内容。