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- pipe wall crack 管壁裂缝
- The target is mounted on a support passing through the pipe wall. 标板装在穿过管壁的支撑上。
- The results show that the hydration heat model of concrete is acceptable, and the thermal stress may make concrete wall crack at early age. 结果表明:引入Arrhenius公式的混凝土水化放热模型可以用于计算混凝土结构早龄期时的温度场;早龄期时温度应力可以引起混凝土长墙的开裂.
- Rifled or other pipe wall corrugation may change the flow from a hetero-generous to a homogeneous regime by introducing a secondary circulation. 在有来复线的或其它的管壁皱纹的管中,由于引起副流,可能将非均质流转变为均质流。
- The effect on seepage is small when the opening of cutoff wall crack is less than 0.3cm,themaximum relative water head at the bottom of lower core wall is only 2.02%. 防渗墙出现裂缝开度小于0.;3cm时;对渗流场的影响不大;防渗墙下游心墙底部最大相对水头值仅为2
- The reduction of noise lever measured in the acceleration on the pipe wall is obtained about 6 to 10 decibel. 结果表明,对于泵的额定工况,所采用的方法可达到管壁振动加速度降低6-10分贝。
- Seek methods for wall crack controlling, propose the correlation preventions and the control measures, have the extremely important theory value and the practice significance. 寻求控制墙体裂缝的方法,提出相关预防和控制措施,具有十分重要的理论价值和实践意义。
- The calibration method of pipe wall coefficient of chlorine modelfor large-scaled WDS is studed. 2)对供水管网管壁反应系数进行校核研究。
- To extend its life cycle we can also paint DPC spraying anti-corrosion coatings in the dill pipe wall. 也可根据用户要求,在整体加重钻杆内壁喷涂DPC防腐涂料,延长其使用周期。
- Selection of the thin steel pipe. Usually railing pipe wall thickness is about 1.8 mm, these products only 1.1 mm. FYI. 现在的梦想决定着你的将来;所以还是再睡一会吧.
- Pipe wall smooth formation, no bubbles, nicks and obvious scar patterns Depression, color and uneven discoloration decomposition line. 管材外壁光滑、平整、无气泡、裂口和明显痕纹凹陷、色泽不均及分解变色线。
- This text analyses the causes and preventive measures on the common faults in concrete construction as concrete reinforcing bar displacement, wall rotten root and pump sending concrete wall crack. 本文主要阐述混凝土施工中钢筋位移、墙体烂根和泵送混凝土墙体裂缝等质量通病的原因分析和预防措施。
- Cleaning of the volume pipe shall be made before recalibration to remove greases in the standard section of the pipe and wax deposited in pipe wall. 在复检前需要对体积管进行清洗,去除体积管标准段内的油垢和管壁上的结蜡,如果清洗不彻底,将直接影响体积管的标准体积及准确度。
- The top wall crack phenomenon in brick and concrete structure is analy zed in brief, especially about the stress when the crack is split, and the reaso n of crack producing is put forward. 对砖混结构顶层墙体裂缝现象作了简要分析 ,特别分析了裂缝开裂时的受力状况 ,提出了裂缝产生的原因。
- The problem is a very challenging research area, which employing the pipe wall as the transmission channel of the data telemetry or malfunction alarm systems. 如何利用管道壁面作为信息遥测和实时故障监测系统中的信息通道是一项具有广阔应用前景的研究课题。
- The cross_sectional average shear rate or the shear rate at the pipe wall in turbulent flow was unreasonably used to evaluate shear history in pipe flow. 以往用截面平均剪切率或湍流时的管壁剪切率衡量流体管流的剪切历史,有不当之处。
- The result indicates that the supersaturation caused by the temperature grades between main flow and the pipe wall is the inherent impetus of salt-out in green liquid. 结果表明,因主流与管壁间的温度梯度而产生的过饱和度是绿液发生结盐的内在推动力;
- When stretching large whole ribbed pipe wall broad into plane broad in stretcher, it is inevitable to cause the average transverse bending along the span of wall broad. 针对在常规展开机上展开带筋管为平面壁板过程中不可避免地产生沿壁板全长方向的均匀横向弯曲的问题,设计了新型的带筋管壁板展开机,可以减小横向弯曲和减少后续工序。
- The paper analyzes the cross wall crackings caused by the failure of the roof insulating materials. 为此,就屋面保温材料失效造成横墙开裂进行了分析。
- The shutters thumped the wall in the wind. 在风中百叶窗砰砰地碰在墙上。