pipe jacking
管子推顶法
2025-10-09 12:33 浏览次数 9
管子推顶法
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,提出了更加準确的土体扰动分区图。
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。
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 pipe-soil interaction in the traditional curved pipe jacking is analyzed. The soil counterforce distribution model and load bearing model for the heading and the latter pipelines are set up.
分析了传统曲线顶管施工中管土之间的相互作用,建立了首节管道和后续管节的受力模型及土体反力分布模式。
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。
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。
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。
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 modern laying pipe jacking technics, the pipe jacking construction technology has much advantage.
顶管施工技术作为一种现代化的管道敷设施工方法,具有很多优点。
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。
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。
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。
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。
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。
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。
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。