由于考虑了土的结构强度,对结构性土根据超固结比(ocr)对土的压密状态的判断与实际结果更加相符。
As for the structural strength, the judgement to the state of soil compression, which based on the OCR is more consistent with the fact.
对压密灌浆法用于桩底灌浆提高钻孔灌注桩承载力的工艺和机理进行了探讨。
Technology and mechanism of compaction grouting used in bored pile base grouting to enhance the bearing capacity are discussed.
根据他人已有的关于材料应变软化模型的球(柱)形孔扩张问题的解,建立了压密灌浆中的浆泡扩张模型。
According to the former solution of spherical or columnar hole about material strain-softening model, the model for grout bulb expansion is formed in compaction grouting.
钻井后因应力集中产生的压密效应,使地层渗透率降低,影响油井产量。
Formation permeability is decreased and well production is affected due to compaction effect caused by stress concentration after drilling.
通过深入分析土的固结理论和震动波压密理论,对填土的强夯机理进行了探讨,提出了加固填土的一些观点。
By deeply analyzing soil's consolidation theory and shock wave theory, it discusses dynamic consolidation mechanism of filling-up soil and putting forward some opinions of reinforcing filling-up soil.
本文主要研究了浸渍压密石油焦对预焙阳极块结构与性能的影响。
The influence of impregnated and compressed petroleum coke on structure and performance of pre-baked anode has been studied.
本文探讨了利用塑性势概念研究正常压密粘土的应力应变关系的可能性。
This paper discusses the possibility of using the concept of plastic potential to study the stress-strain relationship of normally consolidated clays.
将滤室固定不变的板框或箱式压滤机的操作过程分成滤饼过滤阶段和液力压密脱水阶段两个过程来研究。
Taking operation al process into hydraulic pressure cake filtration phase and hydraulic pressure consolidation phase on the frame or chamber filter press with fixed volume are studied on this paper.
在初始损伤的压密阶段,砂岩的密度损伤增量为正值,速率也为正;
In the stage of compaction by initial damage, density damage increment of sandstone is positive and the rate ia positive.
重力变化的主要原因是过量开采地下水,使含水系统压密,从而导致地面重力变化。
The main cause of the gravity variation is that groundwater has been over mined, thus, hydrous system is so pressed that ground gravity varies.
工程实践表明,掏土纠偏和压密注浆在一定地层中,是有效的纠偏加固方法。
The engineering indicates soil excavation and dense-compacted grouting are effective rectification and reinforcement methods in the special ground condition.
在渗透性小的地层后压浆机理主要是压密注浆,在渗透性大的地层的后压浆机理主要是渗透注浆。
The working mechanism in less penetrability stratum appeared to be compression while in penetrability one appeared to be penetrating mainly.
分析了预灌浆在破碎和含水地层中具有的充填、压密、粘合及固化等改良岩体原有物理力学性能的综合作用。
The comprehensive effects of filling in, compacting, agglutinating, solidifying and reclamation of rock of pre-grouting in broken aquifer are analyzed.
该文介绍了压密注浆技术在城区护岸加固工程中的应用。
The article introduces the application of the mortar grouting technique in the bank revetment reinforcement projects of the city area.
试验结果表明:孔隙度和渗透率随压密压强的增大近似呈线性减小;
The result of the tests shows that the porosity and permeability decreases linearly as pressure density and pressure intensity increases.
分析了颗粒破碎对堆石料损伤和压密硬化的双重作用机理,建立了可反映颗粒破碎作用机理的强度计算公式。
By analyzing the damage and hardening mechanism caused by particle breakage, a formula for evaluating the strength reflecting the breakage mechanism was developed.
对含酚污水污泥重力浓缩性能的研究表明:污泥沉降属于成层沉降和压密沉降状;
The gravity thickening property of sludge from phenol contaminated wastewater was described. It showed that the sludge settling was in layered and compression settling statues.
通过对工程施工现场的地基状况的分析,对基坑支护结构进行了设计计算,并提出了防渗帷幕抗渗压密注浆设计方案与施工技术要求。
By analyzing the condition of the scene under construction, the structure protected pedestal pit is calculated and designed. Requisition of the construction technology is pointed out.
分析了影响液力压密脱水的时间因素和液力压密速率的各操作参数。
The influence of operating parameters on hydraulic pressure consolidation dewatering time factor and hydraulic pressure consolidation velocity are analyzed.
根据压密变形规律从理论上探讨垮落介质固结的力学模型,揭示了垮落介质固结的力学模型符合岩石蠕变开尔文模型的非线形本质;
The mechanical model of collapse medium is investigated theoretically which revealed that the mechanical model of collapse medium is accord to non-linear nature of rock creep Kelvin model.
通过研究中密砂三轴压缩的试验曲线,发现其应力–应变关系曲线在常规围压范围内具有归一化特性。
Study shows that there is normalization characteristic about the stress-strain curves of mediate-dense sands in the range of routine confining pressure.
这类土,由于固化联结键和高孔隙度,其压密特性,孔隙压力的变化和剪切应力—应变关系均与应力水平有密切关系。
Owing to the bonds and high porosity in such soils, its characteries of compressibility, the change of pore-pressure and shear stress-strain relationship all depend on stress level.
石油与天然气开采导致油气层中地下压力的减少,造成油气层的压密。
The reduction of underground pressure in the oil and gas layer caused by exploiting oil and gas will form the intensity of pressure in the oil and gas layer.
当压密的数值达到一定量时,会引起地表下沉。
When the quantity of the intensity of pressure reaches a fixed value, it will cause the surface subsidence.
在后续施工过程中,随着路基高度的增加路基不再被压密,导致固结过程所需的时间延长,工期滞后。
Consequently, the thick filling does not consolidate in the following process of construction, which results in the delay of completing.
在现场试验基础上,研究沉管干振挤密抗拔防浮碎石桩在拉压循环荷载和拉拔循环荷载下单桩及其抗拔钢筋的性状。
Based on the in-situ tests, the behaviors of single diving dry-vibrated compacted and anti-pull stone column with steel bars are studied during the compression-uplift cyclic loading.
以一实际工程为例,论述了压密灌浆(压力注浆)在一砖混结构地基加固中的应用,此方法在加固过程中基本无附加沉降,不用开挖。
Based on a practical project, the applications of pressure grouting in strengthening the foundation of a block masonry building are discussed in this paper.
通过变形、压密、阻挡、涡流等显微构造标志确定流动方位;利用长条状晶体的长轴方向确定流动线理。
The flow orientation were determined by microstructural indicators such as deformation, compaction, obstruction and the whirling of lava flows;
通过变形、压密、阻挡、涡流等显微构造标志确定流动方位;利用长条状晶体的长轴方向确定流动线理。
The flow orientation were determined by microstructural indicators such as deformation, compaction, obstruction and the whirling of lava flows;
应用推荐