施工扰动以塑性区为主,塑性区地面发生隆起。
The construction disturbance mainly occurs within the plastic zone with the heave of ground surface as a byproduct.
地铁隧道施工扰动地层,必然造成相应的地层变形。
Due to the disturbance to the ground induced by construction of Metro tunnels, ground deformations occur inevitably.
这种施工过程中土体受到的原位施工扰动有别于现场取土、应力释放等引起的试样扰动;
The field disturbance during construction, such as the installing of vertical drain, was distinct from the sample disturbance.
在理论分析塑性区范围的基础上,结合工程实例探讨了竖井施工扰动区与塑性区之间的关系。
Based on the above, the relationship between the disturbance area and the plastic area during the vertical drain construction is discussed, combined with project cases.
研究结果表明,施工扰动对基坑安全系数有较大的影响,应采取综合措施控制施工对土体的扰动。
The study shows the construction disturbance can exert an obvious effect on the safety factor. And some engineering measures to control the construction disturbance are taken.
试验和分析结果表明:由于隧道施工扰动的影响,使得土的强度发生了变化,总体上降低了土的强度。
The testing and analysis have shown the tunneling construction disturbance makes the soil strength change and tends to be lower in all.
因此,研究扰动土体再固结及其对地铁隧道的影响,对于控制地下工程施工扰动和地铁隧道变形是很有用的。
Therefore, to study the reconsolidation of disturbed soil and its influence on metro tunnel is very useful for controlling the disturbance of construction and the deformation of metro tunnel.
在隧道设计、施工或使用过程中任何有害扰动都会造成隧道防排水体系的缺陷,从而引起隧道渗水。
Any harmful disturbance in the tunnel design, the process of construction or use, all would lead to defects in the tunnel waterproofing and drainage system, causing the tunnel seepage.
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。
It is shown that the ground settlement produced by middle zone is greater because of double disturbance during parallel pipe jacking construction.
但施打砂井后,土体扰动引起土体抗剪强度降低是非常可观的,工程学术界和广大现场施工人员应予以重视。
Soil shear strength has a significant decrease due to disturbance after construction of the packed drains, which should be seriously considered for practice technicians and academic authorities.
石灰土柱具有石灰用量低,施工振动小,挤土扰动少,透水性好的优点。
It has the advantages of good in permeability, low lime consumption, without vibration during construction and less soil displacement disturbances.
由于施工的扰动,新建地铁穿越既有地铁时,会对既有地铁产生影响。
Because of the construction disturbance, the existing subway would be influenced when a new subway was built near it.
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 shows that the ground settlement produced by middle zone is greater because of double disturbance during parallel pipe jacking construction.
长螺旋钻管内泵压CFG桩施工技术在太原部分地区扰动敏感性土中应用时,常出现严重缩径质量问题。
Serious necking quality problems often appear when the CFG piles construction technology of long spiral drill pipe by pump pressure apply in some disturbed sensitive soil areas of Taiyuan.
本文以黄前水库除险加固工程为背景,介绍了淤泥扰动技术的原理,设备及施工等方面内容,为其它工程参考。
This paper, based on the rehabilitation of Huangqian reservoir, introduced the theory, equipments and construction of the muddy soil disturbance technology.
本文主要研究隧道盾构掘进施工中周围受扰动土体应力状态和应变状态的变异,以及由土体应力状态和应变状态的改变引起土体力学性质变异的特性。
The variation of stress state and strain state induced by tunnel shield driving in soils is studied, and the variation of soil mechanical properties is studied too in this paper.
某地下车站工程施工时,遇到原有建筑的桩基础需拔除,采用全回转设备清除地下障碍物具有对地下原状土破坏小、基本不扰动地下土体的优点。
It is of some advantages to use full-rotating equipment to clear underground obstacles such as little destructive effect for undisturbed soil and no disturbing the underground soil body.
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。
Pipe jacking construction disturbs soil inevitably, which would results in soil deformation and does harm to its surroundings.
介绍了地基加固施工中的一个痼疾:地基加固施工不可避免地会对周围土体产生扰动,从而导致周围管线及建筑物的沉降。
The method of formation of grouting piles using steel pipes has gained wide application as a foundation strengthening method, and has advantages in the construction which other methods don t have.
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。
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.
在风积砂地层修建隧道,由于开挖扰动后围岩完全变为松散体,无自稳能力,故施工难度大。
Tunneling in wind stockpiling fine sand is very difficult, since the sand undermined will become very loose and incapable of self-consolidating.
施工会对管道周围的土体产生扰动,引起土体移动。
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 parallel buried pipelines will be damaged by soil movements around pipe induced by pipe jacking.
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