backfill

Many engineering construction utilize embankment, for, abutment , retaining wall , foundation pad , base backfill and so on.

研究填方土体的工程性状和稳定性, 对填方体的顺利施工, 安全运行, 有着举足轻重的作用.

Discuss of Control Back Backfill Quality Prevention Bridge Head Jumps

控制台背回填质量防治桥头跳车的探讨

Earth excavation and backfill is to have the appropriate security measures to strictly regulate the construction.

土方开挖与回填是要有相应的安全措施,要严格按规范施工.

D-FEM can simulate geotechnical construction process including excavation, backfill and it has quickly solving, group function and many material models.

它能模拟岩土工程的开挖、回填等施工过程，且具有求解速度快、群组功能、材料模型多等特点。

The upward drift stoping with backfill is a mining method with a widespread use future.

上向进路充填采矿法是一种具有广阔应用前景的采矿方法.

Ground Source Heat Pumps ( GSHP) are widely used for heating and cooling buildings, backfill material is essential in improving the thermal performance of Borehole Heat Exchangers ( BHE).

地源热泵系统近年来在我国建筑中得到了广泛应用，回填材料对地埋管换热器传热性能的影响至关重要。

Measures of Construction Quality of Backfill in Earthwork in Rain Spell

土方工程雨期回填施工质量控制措施

Forced Defrosting and Backfill Grouting Composite Application at φ 14.87 Shield Launching Section Frozen Area

φ14.87盾构出洞段冻结区强制解冻及注浆充填的复合应用

Court decision defendant Mr. Wen will unearth underground backfill, restores the original condition.

法院判决被告闻先生将所挖掘的地下一层回填, 恢复原状.

Slags containing Mn is used as the roadbed backfill instead of natural clay.

利用含锰废渣代替天然粘土作为路基回填土.

The Backfill Grouting for the Underground Culvert at West Ring Road of the South-North Water Transfer Project

南水北调西四环暗涵工程回填灌浆施工

As the backfill rate decreases, the displacements of side piers and bottom slap both have a trend of the decreasing, but the change is very slight; there are strong contacts between the cohesive force of soil C and internal friction angle?

回填土坡比减小时，边墩和底板位移有减小的趋势，但是变化比较小；土体强度参数粘聚力C和内摩擦角φ与边墩应力位移之间均存在很强的相关关系。

The final result shows that the stress peak value of the tunnel is reduced by 95% with the foamed concrete backfill layers, and dynamic parameter such as acceleration and displacement is attenuated to a certain extent.

计算结果表明，增加泡沫混凝土耗能层后，坑道结构的应力峰值衰减了95%以上，加速度和位移等运动参数也有不同程度的降低。

Pea Gravel Backfill Grouting and Its Quality Control in the Construction of TBM

浅谈TBM施工中豆砾石回填灌浆及其质量控制

The squeezed transportation pump is specialized equipment used for transporting fill in backfill mining.

充填料挤压输送泵是一种用于矿山充填的专用设备.

Assuming the failure surface of reinforced retaining wall be H/ 2 failure surface, considering the effect on the cohesion c of the backfill, the computation formula of maximum vertical spacing of reinforcement was induced by limit equilibrium method.

假定加筋土挡墙破裂面为H/2折线型破裂面，考虑填料的粘聚力c的作用，用极限平衡法导出了筋材的最大层间距的计算公式。

At last, some suggestions were raised for the concrete backfill mining.

最后对具体的充填开采方法提出了建议.

An Experimental Study on Strength Properities of Concrete Backfill

混凝土充填体强度特性试验研究

Key construction technique mainly includes maintaining cavern stability, protecting surrounding rock integrity and guaranteeing concrete backfill quality.

关键施工技术主要体现于维护施工期洞室稳定，保护围岩完整性和保证结构混凝土回填质量三方面。

Application of Backfill Grouting in Road Construction

回填注浆在道路施工中的应用

The dynamic response of tunnels can largely be reduced by the foamed concrete backfill layers, which can be used to construct a sort of ideal energy absorption support structure.

泡沫混凝土耗能层能够明显减小结构的动力响应，可以用来构筑较理想的结构消波吸能型式。

Engineering backfill will be applied afterwards sections as indicated in Figure 2 of this Permit.

各段管道敷设完成后会进行回填工程,如本许可证图2所示.

A Kind of New Technology of Concrete Backfill Using for Embedded Pre-pressure Steel Pipe in Xiangshui Hydropower Station

响水电站埋藏式预压力钢管混凝土回填新技术

Application of Backfill Grouting In Earth Section of No.3 Tunnel of the South Main Line

回填灌浆技术在南干3~洞土洞段中的应用

Firstly, slip model of groundsill and backfill was decided according to centrifuge test and numerical calculation results.

首先，由模型试验和数值分析结果确定回填区和地基的滑动模式；

This article is good for promotion of backfill.

本文对充填技术的推广,具有一定的参考价值.

A systematical study is made of the stability of backfill in blasting.

对爆破动载下充填体稳定性进行了系统研究.

This paper introduces the application of the backfill grouting technique to block up the branch tunnel, the corresponding technology, technique request and result evaluation are given.

文章介绍了回填灌浆技术在支洞封堵中的应用，支洞回填灌浆的施工工艺、技术要求以及效果评价。

Study on subsiding test of backfill soil in tank base of vertical fluid-storage tank under static load

静荷载作用下立式储液罐基础内回填土的沉降试验研究

Construction of Backfill Grouting and Consolidation Grouting In Tunnel Excavated by TBM

TBM掘进隧洞回填固结灌浆施工的探讨