大洞穴、构造断裂带、隧道衬砌壁后注浆。
Large caves, tectonic fault zone, lining the tunnel wall grouting.
针对这种情况,该矿采用壁后注浆技术以达到治水效果。
Aimed at this situation, the back grouting technology is applied so as to reach the result of water prevention.
故本文针对后注浆群桩基础沉降性状这一课题展开相关研究工作。
Therefore, researches of the subject of post grouting pile group foundation settlement characteristics are conducted for this paper.
就一个注浆施工实例,详细阐述了料石井壁壁后注浆技术的原理和应用。
A detailed description of the principle and application of cement injection technology to shaft rock wall are given.
通过壁后注浆封水,做到了干打井,改变了工人的作业环境,实现了优质高效。
By grouting behind the shaft wall, improved working conditions, and realized high speed and good quality of shaft construction.
因此,进行桩基后注浆技术来减小桩基础沉降量以及缩短沉降稳定时间的研究非常必要。
Therefore, it is necessary to conduct the research and study of pile foundation post grouting techniques to reduce the pile foundation settlement and shorten the settlement stability time.
介绍了该矿采用的高强锚网索一次支护、长环形支架二次支护以及壁后注浆的联合支护技术。
This paper introduced a combined supporting technology, including first supporting, high-strength bolt-net-cable supporting, second supporting, long ring support and grouting behind support.
结合后注浆技术在刚性桩复合地基工程中的应用,探讨后注浆技术提高刚性短桩承载力的作用机理。
Based on the application of post grouting technique in the rigid pile composite foundation, the authors investigated the mechanism of the capacity increase of short rigid pile by this technique.
采用灌注桩后注浆技术,既可确保桩基施工质量,又能提高单桩承载力,极大地发挥桩基承载的潜力。
The application of post-grouting technique for cast-in-situ pile could not only ensure the construction quality, but also raise the bearing capacity of each pile.
本文介绍了水泥搅拌桩重力式挡墙与墙后注浆卸荷平台组合支护的计算方法,及其在基坑工程中的应用。
The paper introduces the calculation method of a mixed retaining wall using cement mixing pile and unloading plat by grouting in back wall, and its application in excavation is analysised.
桩端后注浆灌注桩单桩合理注浆量与承载力的计算成为工程界关注的主要问题之一,尚无设计规程可循。
The most interested problems of the design of post base-grouted bored pile are the estimate of the quantity of grouting and the bearing capacity.
扩底后注浆灌注桩是在普通灌注桩基础上通过扩底和后注浆两种施工工艺结合所衍生出来的一种新桩型。
The pedestal post-injected caisson pile is a new type of pile that is derived from the two construction technologies of pedestal pile and post-injecting based on the common caisson pile.
实测结果表明,桩底后注浆处理后,持力层的端阻力提高约100%,刚性桩复合地基承载力提高约35%。
Loading test results indicate that the bottom resistance increases by about 100% after grouting in the pile bottom, and the bearing capacity of the rigid pile increases by about 35%.
详细分析了掘进模式、土压力选择、壁后注浆、盾构纠偏等施工控制手段,用来减小盾构施工对周边环境的影响。
Such as operation program, selection of earth pressure, wall-back grouting, rectification of shield machine, which are used to reduce the effect of construction on environment, are analyzed in detail.
通过对工程实例的剖析,介绍桩底后注浆和扩大承台(梁)法等桩基事故处理方法和原理,作为工程实践经验的总结。
Through the analysis of pile bottom grouting and beam expanding accident methods and principles, the engineering practical examples are summarized.
原有巷道支护遭到破损后,采取浅孔注浆方法可收到良好效果。
Good results can be gained using the short-hole grouting for strengthening the existing heading with damaged support.
结合广州地铁和深圳地铁的盾构工程实例,介绍盾构施工中的管片壁后回填注浆的多种类型并作了比较分析。
Based on shield construction in Guangzhou Metro and Shenzhen Metro, an introduction is given to various types of backfilling grouting behind segment, and a comparison was made.
结合实际工程,对嵌入卵石层钻孔灌注桩后压浆设计、施工中后压浆方法的选择、注浆量的确定、后压浆桩的承载力计算、后压浆在超长桩中的应用等进行了研究。
Based on actual projects, it carries out research on the choice of post-grouting method, grouting quantity and bearing capacity of bored pile, and the application of post-grouting in super-long pile.
本文详尽介绍了采用注浆稳固法的“白改黑”工程的工艺、质量控制方法和工后观测结果。
This article introduces, in details, the construction technology, quality control and follow-up survey of "Add-surfacing ac Layer on the PCC" projects using injection stability.
采用高压旋喷注浆进行止水防渗处理后,地下水得到了有效的控制,保证了基坑进一步开挖和浆砌块石护坡方案的顺利施工。
By adopting jet grouting, ground water was controlled effectively, and thus further excavation and implementation of the scheme of grouted rubble revetment were ensured.
本文探讨了泥浆在工作面预注浆、壁后充填注浆、冒空区充填注浆和离层带充填注浆中的应用。
In this paper the authors approach the application of drilling mud to face pre-injection, backwall infilling injcetion, roof fall space infilling injection and split zone infilling injcetion.
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.
采用化学共沉淀法合成羟基磷灰石粉料,采用注浆成型、热压烧结及热等级压后烧结等工艺制备羟基磷灰石颌面骨材料。
Hydroxyapatite ceramic powder was synthesized by chemical coprecipitation process. The. maxillofacial bone materials were made by slip-casting. HP and HIP post-sintering method.
通过数值计算,研究了底板支护和注浆加固底板后深部软岩巷道两帮围岩的稳定性。
Through numerical analysis, the stability of surrounding rock in two sides of deep roadway under the conditions of supporting and grouting in the floor was studied.
旋喷注浆法加固集装箱堆场跑道梁具有可靠性好,质量高,工后沉降量小的特点。
Rotary grouting method for foundation consolidation under the runway beams of container storage yard is characterized with good reliability, high quality and little sedimentation after construction.
受喷面的小股水或裂隙渗漏水宜采用岩面注浆或导管引排后再喷混凝土。
For small gush of water or water leaked from crack on the surface to be shotcreted rock face grouting or tube piloted discharge should be applied before shotcreting.
为防止该矿采矿疏干导致地表大面积塌陷,甚至可能引起附近湖水倒灌矿坑,经多次技术论证后,采用了帷幕注浆堵水方案进行治理。
A curtain grouting blocking technique was used for treating ground collapse and possible lake water entering mine pits due to drainage during mining.
注浆结束后,必须立即清洗设备,以免浆料在设备内凝结造成设备损坏。
After the grouting, equipment must be cleaned immediately to avoid condensation inside the pulp in equipment damage caused by equipment.
注浆前左右两侧跟管顶压力相差不大,注浆后则要明显大于管顶压力。
Compared with the tip pipe, they were almost the same before grouting and noticeably bigger after grouting.
在压桩过程中同时在桩侧注入浆液,桩尖达到设计深度后,浆液随着桩的沉入在桩端形成注浆扩大头。
In the time of pressing the pile, the grout are inject into the soil. When the pile tip reaches the design depth, then continue to inject grout into the pile, so that the pile head expand.
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