The gravel is one of the most common materials for abutment backfilling.
砂砾是台背回填工程常用的回填材料之一。
For the safety of mining underground, the tailings must be solidified before backfilling.
为了保证地下采矿的安全，尾砂须先固化后充填。
The destruct height of overlying strata is linearly correlation with the compression rate of gangue backfilling.
覆岩破坏高度和矸石充填体压缩率成正线性相关。
We propose a new mining method: point-pillar paste filling based on the combined advantages of room-pillar method and backfilling.
将房柱式开采和膏体充填开采的优点相融合，提出了点柱式膏体充填采煤方法。
The parts with the major defects should be repaired by backfilling. The same material and mixes with the concrete should be used for the backfilling.
较大缺陷部位采用回填修补，回填修补与被修补的混凝土使用相同的材料和配比。
Its capacity of resisting large external load enables it not to rely on lateral support of the soil, therefore its requirements on backfilling soil is lower than on flexible tubes.
由于它本身能抵抗较大的外荷载，使其不须依赖土壤的侧向支撑，因而对回填土要求较柔性管低。
Foam concrete wall used for light bet backfilling materials can reduce the vertical section load, also reduced the wall lateral load of the other side.
泡沫混凝土在岸墙后用作轻质回填材料可降低垂直截荷，也减少了对岸墙的侧向载荷。
Consequently the bedding and backfilling of the trench need special attention to provide the required lateral support.
其后，管道沟的垫土和回填需要特别注意，应提供所需要的水平支撑。
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。
At the same time, liquid coal ash is used in backfilling of abutment, so as to reduce the load and basic stress, reduce settlement and increase the dense of fillings.
同时，为降低桥头地基的荷载和基础应力，减少沉降并增加填料的密实度，台背回填采用液态粉煤灰填筑。
However, in large open pits, traditional methods such as planting, slope cutting and backfilling are not suitable for restoring the ecological environment.
对于在生产、规模较大的露天采场，不能采用削坡回填、覆土种植等简单的传统方法恢复矿山生态环境。
Technical thorny problems met during construction of cast-in-situ piles at riprap backfilling area and corresponding countermeasures are expounded to serve as a reference for similar engineering.
介绍爆破抛石回填区域钻孔灌注桩施工中遇到的技术难题，并提出相应的处理措施。对类似工程部位施工有一定的借鉴作用。
This paper presents the reasons for taking this measures, layout of concrete plug, excavation, backfilling and inspection of construction quality.
详细论述了采用该技术的原因、洞塞的布置、开挖、回填和施工质量检测等。
Backfilling the trench following the lowering-in of the pipe is carried out by angledozers or backfilling attachments to tractors.
管子下入管沟后，由侧铲推土机或装有回填附件的拖拉机回填管沟。
In recent years, whole tailings backfilling has become the main development trend for underground mining.
近年来，全尾砂充填已成为地下采矿主要的发展趋势。
Based on actual conditions, the paper proposes better designing of transition slabs and problems in abutment backfilling for reference of the construction of the same kind.
结合实际情况，提出了较好的桥头搭板的设置方案及台背回填应注意的几个问题，供设计施工参考。
In this paper, the principles and implementing techniques of the algorithm for attributed grammar evaluator based on LR analysis and backfilling technique is presented.
主要讨论了基于回填技术的LR属性计算器的算法原理及实现技术。
In this paper, taking some mine as an example, the pump backfilling mining method with high density unsized tailings, as well as its investigation in technical feasibility are introduced.
本文以某矿为实例简要介绍了高浓度全尾砂泵压充填采矿法技术可行性研究的内容和方法。
The swatch values of friction factor of three kinds of precast buried heating pipe and backfilling sand is calculated.
通过对施工变量、运行变量的工程测量及计算得到三种规格的预制直埋供热管道与回填砂的摩擦系数样本值。
Overall tilt and floating occur in a 2-story underground parking lot due to continuous heavy rainfall after completion of sand and gravel backfilling of foundation pit.
某地下停车场2层，在基坑砂石回填完成后，因连降暴雨，发生整体倾斜上浮。
The contents of the experiment included the measurement of the physical characteristics of filling aggregate and the test for the mixture ratio of cemented backfilling materials.
试验内容包括充填骨料物理性能测定和胶结充填材料配比试验。
Through theoretical analyses of the pillar stress and pillar strength in the pillar-and-stripe mining with backfilling, the rational pillar size and mining stripe opening are deter - mined.
文章通过对条带充填开采煤柱载荷和煤柱强度的理论分析，提出了条带充填开采所需留设的合理煤柱尺寸及开采宽度。
Nevertheless, it is very hard to ensure backfilling quality in after pouring zone during the period of construction.
实际施工中，后浇带回填质量很难保证，因此，尽量减少后浇带的留置对结构是有利的。
The backfilling cost is high if cement is used as a cemented material.
采用水泥作为矿山充填胶结材料，充填成本高。
Whether you're digging, trenching, backfilling or handling material, the Backhoe Loader will meet your needs.
不论您是需要挖掘，开渠，回填还是处理材料。我们的反铲装载机均可以满足您的应用需求。
Taking tails which are consolidated with high water material as backfilling is a new type backfilling method.
高水固结尾砂充填采矿是一种新型充填采矿法。
Taking tails which are consolidated with high water material as backfilling is a new type backfilling method.
高水固结尾砂充填采矿是一种新型充填采矿法。
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