Injecting slurry is usually used to reduce the jacking friction in long-distance pipe jacking.
长距离顶管施工中为减小顶进阻力通常采用注浆减摩措施。
Internal stress of welds seam for long distance pipeline is analyzed starting with any point of circumferential stress on pipe wall.
从钢管壁上任意一点的环向应力入手，分析了长输管道焊缝的内应力。
So FastSHAPES applied widely in the fields of long distance pipe transportation, civil pipe engineering, industrial pipe work, and pressure vessel manufacture.
广泛用于长输管道、公用管道、工业管道和压力容器的工程建设和产品制造。
The system can calculate the braking distance according to the fixed reduction of train pipe pressure, and the best reduction of train pipe pressure with the desired parking location.
系统根据给定列车管减压量可计算相应的制动距离，也可根据设定的停车目标位置反推出所需要的列车管减压量。
By adding molten iron scrap to enhance the chute and adjust the distance between the pipe mold, pipe mold reform and other measures will be laminated Dabao tube reduced the percentage of 0.68%.
通过在铁水中加入废钢，加强对溜槽与管模之间的距离调整，管模改造等措施将夹层打爆管所占比率降为0.68%。
The anisotropy invariant map was also introduced briefly. The effect of the distance away from the wall and the Reynolds number on the turbulence structure in a pipe flow was also analysed.
介绍了湍流不变量图在圆管湍流研究中的应用，分析了离壁距离和雷诺数对管流湍流结构的影响。
Some opinions about its design optimization, such as addition of settler, pipe number determination, material selection, design of pipe distance and modification of cyclones etc., were presented.
对如何优化其设计，包括增配沉降室、管数的科学确定、材质的选择、管距的设计及旋风体的改造，提出了建议。
Experiments showed that mixing property in pipe fluidized bed with relative distance of blowpipe equal to 3.2 is better than that of traditional platefluidized bed.
结果表明，当布风管间距与布风管外径比为3.2时，管式布风流化床比板式布风具有更好的混合效果。
Discusses the selection line methods of convey coal pipe of long distance, from the angles of selection line principle, and the basic data to collect, etc.
本文从选线的原则、选线需搜集的基础资料等角度，论述了长距离输煤管道线路的选线方法。
Laboratory simulating studies are made on shear rate of pipe flow for purpose of realizing long distance transportation of additive crude oil.
为了使加降凝剂的原油实现长距离的管输，就管流剪切速率进行了实验室模拟研究。
In the light of technology, the writer analyses the economic benefits and accounting of large caliber and long distance water delivery pipe.
针对确定的工艺进行了大口径长距离输水管道经济效益分析与核算。
Two routes can not be worn in the same tube, wire and heating, hot water, gas pipe between the parallel distance should not be less than 300mm, the cross should not be less than 100mm.
两路线不能穿同一管内，电线和暖气、热水、煤气管之间的平行距离不应小于300mm，交叉距离不应小于100mm。
Pipe-soil contact pressure increased slowly along with pipe jacking, and it also maintained stated basically after some distance. Contact pressure of tip pipe was greatly affected by grouting.
管土接触压力随管道的顶进一开始缓慢上升，到一定距离后基本保持在一定范围内。
The distance between the pipe and the pipe or between the other objects shall be not less than 30mm.
管子与管子之间或与其他物体之间的间隔距离应不小于30mm。
A recurrence algorithm based on fiber Bragg grating curvature spatial sensor for total distance positioning of in-pipe robot was presented.
为了实现管道机器人在工作时对自身位置的全程定位，提出了一种基于光纤光栅空间曲率传感器全程定位的递推算法。
Features and effects of in-factory quality supervision during manufacture of long distance transmission line pipe are discussed. It is suggested that understanding standard should be improved.
本文总结了输送管生产驻厂监督工作的特点及作用，指出在对生产标准的理解方面须进一步加强。
Single pipe and screw feeder is used to convey dry and powder material continuously, such as raw material, coal powder, and cement etc. powder to convey in short distance.
单管螺旋稳流机适用于干燥粉状物料的连续、均匀供料，如生料、煤粉、水泥等粉状物料的给料和短距离的输送。
High density conveying of pulverized coal over a long distance through big diameter pipe can be realized by using a newly developed bin pump.
采用新研制的仓式泵实现了大口径管道远距离高浓度输送煤粉。
The heat transferring drum pipe, its heat insulativity and its heat-insulating Layer's thickness have not the distance scale.
对于圆筒输热管，其热绝缘性能与绝热层厚度之间的关系，远非象平壁那样呈线性关系。
The results show different performance deterioration between different bent pipes, the larger distance between bent pipe outlet and impeller inlet creates more decrease.
结果表明，弯管畸变对离心压气机性能的恶化程度与弯管所在位置有关，距离叶轮进口较远的弯管影响较大。
Finally, several control measures are proposed to avoid failure for long-distance linear and curvilinear pipe jacking construction.
提出了长距离直线和曲线顶管施工防止管道失稳的控制措施。
Several problems about optimization techniques which belong to long distance curved pipe-jacked technology in stratum of sandy soil have been put forward in this paper.
鉴于砂土地层中超长距离曲线顶管施工技术在国内外少有研究，本文重点探讨了砂土层中长距离曲线顶管施工中有待解决的几个技术优化的问题。
The influences of pipe net spacing distance, pipe diameter, buried depth and soil's Poisson ratio on the distribution of superimposed load are discussed.
探讨了管道净间距、直径、埋深以及土体泊松比对附加荷载分布的影响。
Enter the pipe diameter, wall thickness and pipe material, and the PT500 calculates the optimum mounting method and separation distance for the sensors.
输入管径，壁厚，管道材料，以及PT 500计算出最佳的安装方法，传感器和分离的距离。
Field data were analyzed. It showed that axis force increased along with pipe jacking at the very start, and it maintained stated basically when jacking to a certain distance.
实测数据分析表明，管节开始顶进时轴力随顶进距离增大而增大，顶进到一定距离后，基本维持在一定范围内。
On the basis of the method of fuzzy synthetical evaluation, the evaluation model and evaluation method have been established for the optimal pipe thickness of long-distance PI...
在分析影响长输管道安全系数的基础上，利用模糊综合评判方法，建立了确定长输管道最佳壁厚安全系数的评价模型及评价方法，并进行了实例分析。
On the basis of the method of fuzzy synthetical evaluation, the evaluation model and evaluation method have been established for the optimal pipe thickness of long-distance PI...
在分析影响长输管道安全系数的基础上，利用模糊综合评判方法，建立了确定长输管道最佳壁厚安全系数的评价模型及评价方法，并进行了实例分析。
应用推荐