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。
The parallel buried pipelines will be damaged by soil movements around pipe induced by pipe jacking.
施工会对管道周围的土体产生扰动，引起土体移动。
The construction of Pipe Jacking is beset with difficulty due to the large propulsive force for several years.
大口径长距离顶管施工顶进推力过大是困扰顶管施工多年的技术难题。
Pipe jacking method could be used to solve the difficulties setting pipeline in bumper-to-bumper traffic area.
对公厕和菜场等公共排水区域，采用增设格栅井的方法以解决这些特殊区域污水收集管道易堵塞等难题。
The neighborhood buried pipelines will be damaged by movements of soil around the pipes induced by pipe jacking.
顶管施工引起的管道周围土体移动会对相邻地下管线造成危害。
Because of the advantages and application fields, curved pipe jacking technology is paid more and more attention.
曲线顶管施工技术以其特有的优势和应用领域，越来越受到重视。
With the environment getting more attention, the use of not-dig pipe jacking technology has become more extensive.
随着环境问题越来越受到重视，作为非开挖的顶管施工技术应用也越来越广泛。
In order to ensure the safety of the Yangtze levee, safety monitoring during pipe jacking and afterwards is necessary.
为了确保大堤安全，必须开展顶管施工期间和工后的长江大堤安全监测。
The interaction of two level parallel pipe jacking is analyzed; and the calculation of lateral disturbance scope is advanced.
对水平平行双线顶管之间的相互作用进行了分析，提出了横向扰动区范围的计算公式。
From the technology of reducing friction slurry and the relay jacks, the jacking force of long pipe jacking has been analyzed.
从触变泥浆减摩技术和中继接力技术两个方面对超长距离顶管施工中的顶推力进行了研究。
Pipe jacking construction disturbs soil inevitably, which would results in soil deformation and does harm to its surroundings.
顶管施工对土体扰动是不可避免的，土体变形是土体受扰动的结果，而土体变形则会对周围环境造成危害。
Vertical and annular reinforcing steel bar stress and pipe-soil contact pressure during pipe jacking were monitored on the spot.
对顶进过程中管道纵向与环向钢筋应力及管土接触压力进行了现场测试。
As a new technology, the reducing friction through method placing mortar has is more and more popular in the Pipe Jacking project.
注浆减摩作为一门新技术，在顶管工程中应用越来越普及。
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。
In construction of pipe jacking, the wall of working shaft and soil body behind the sidewall offers enormous supporting force to a lift.
在顶管施工中，千斤顶的支座需要巨大的反力支持，这些反力是由工作井的侧壁以及壁后土体提供的。
It shows that the ground settlement produced by middle zone is greater because of double disturbance during parallel pipe jacking construction.
研究结果表明，水平平行顶管施工时中间区域受到双重扰动，产生的地面沉降较大。
It is shown that the ground settlement produced by middle zone is greater because of double disturbance during parallel pipe jacking construction.
分析表明，水平平行顶管施工时由于中间区域受到双重扰动，会产生较大的地面沉降。
With a practical project, authors state application status of the pipe jacking method in construction of contact tunnels of a subway shield zone tunnel.
从工程实例出发介绍顶管法在地铁盾构区间隧道联络通道施工中的应用情况。
As is shown in analytical calculation, ground deformation induced by pipe jacking construction is three-dimensional and changing with the jacking-in of shield.
算例分析表明，顶管施工引起地面产生三维变形，随着掘进机的顶进而不断产生变化。
At present the large diameter slurry pipe jacking is the preferred construction method in project of urban water supply and drainage pipe and electric power pipe.
目前，大直径泥水平衡顶管掘进已成为城市给排水水管、电力管线工程等首选的施工方法。
By making use of the semi analytical element method, the three dimensional soil movements problem of pipe jacking is transfered to a one dimensional numerical calculation.
利用半解析单元法将顶管施工中三维土运动问题转化成一维数值计算。
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。
Polyethylene wall pipe with winding structure used in pipe jacking technology without slot is a specific material which can be applied to pipe jacking without slot on the ground.
不开槽顶管埋设技术聚乙烯缠绕结构壁管材专用料是一种可适用于地面不开槽，进行顶管施工的管材原料的专用料。
Guang zhau the Undergroumd 2nd Line will pass through Hua nan Express Way. During construction communication of the express way should not be cut off. Pipe jacking method is suggested.
广州地铁二号线要穿越华南路，华南路是一条高速公路，施工时地面交通不能中断，本文建议采用顶管法穿越。
This paper introduced the pipe jacking technique in the water drainage pipe jacking project for Beijing North West No. 4 Ring Road-University Road Flyover. It has achieved good results.
介绍北京市西北四环路-学院路立交桥排水顶管工程施工技术措施和工艺，施工取得了良好效果。
The mechanism of soil disturbance due to pipe jacking is investigated, and an improved method proposed to divide the sections of soil disturbance based on the results of former researchers.
在前人的基础上，研究了顶管施工引起土体扰动的机理，提出了更加准确的土体扰动分区图。
This paper introduces the epicyclic reduction arrangement applied in cutting drive mechanism in pipe jacking, analyses the construction and characteristics of epicyclic reduction arrangement.
介绍顶管掘进机截割传动装置所采用的行星齿轮减速器，论述行星齿轮减速器的结构特点。
Both theoretical analyses and field observations have shown that pipe jacking in such a kind of soft soil ground as in Shanghai area, movements of soils around the pipes is of three-dimension.
理论分析和现场实测都显示，在类似于上海等地的软土地层中顶管施工，顶管周围土的运动问题是三维的。
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。
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。
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