The technology can be used to keep cross-section excavation in control and improve explosion level.
该技术在控制断面超欠挖,提高光面爆破水平效果明显。
On the puzzle of dynamic simulation of tunnel excavation with centrifuge model, this thesis makes a trial research on the section of SK3 + 395 of Shenzhen Metro and has made some progress.
并针对动态模拟隧道开挖这一难题利用离心模型对深圳地铁sk3 + 395断面进行了尝试性的研究,取得了一定的进展。
The tunnel section is advised to adopt curved shape and full-face excavation by controlled blasting to reduce disturbance on surrounding rock and maintain its self-supporting capability.
隧洞断面宜采用曲线形状; 宜采用控制爆破全断面开挖,减少对围岩的扰动以保持岩体自承能力;
This paper introduces excavation of the unfavorable geological section of tunnel project of Wanjiazhai YRDP, temporary brace and construction of concrete lining.
文中介绍了万家寨引黄隧洞工程不良地质洞段施工中的开挖,临时支护,混凝土衬砌等。
Cutting excavation blasting in expressway construction is characterized by a wide range of excavation height, small excavation section and high quality requirements.
高速公路路堑爆破开挖工程具有开挖高度变化大、开挖断面小、开挖轮廓要求严、特别是边坡质量要求高等特点。
Prior to foundation pit excavation, the culvert section shall be prefabricated and carried to position.
基坑开挖前涵节预制并按序运至工点摆放。
According to the actual condition of high-cutting slope of Wushan-Wuxi Road K95 section, general-purpose finite element program ANSYS is used to simulate excavation process.
根据两巫公路K 95段高切坡的实际情况,运用ANSYS软件对其开挖过程进行了模拟。
This article introduces component of section measuring system and its application in excavation capacity measurement.
介绍了断面测量系统的组成及其在洞库容量测量中的应用。
The total construction plan of F3 weathered deep trough section and related technology methods of grouting, excavation and supporting were also mentioned and analysed in the paper.
介绍了F3风化深槽地段的施工总体方案,重点阐述风化槽的注浆工艺和开挖支护方法。
Methods of tunnel excavation in unconsolidated formations and the collapse zone treatment are intro-duced according to the formation properties fo exit section of Yangzong No.
针对阳宗海一号隧道出口段的地层特点,介绍了在松散土体地层中遂道施工方法的选择及在施工中出现坍塌的处理方法。
In order to ensure the excavation of sediment discharge bottom outlet at right side and foundation of the power house dam section, the blasting method was used in Jinghong power station.
景洪水电站主厂房右侧紧邻右冲沙底孔,右冲沙底孔作为二期纵向围堰的组成部分,在主厂房开挖前已经形成。
Said invention is specially suitable for laying underground pipeline to pass through the section of an area unable for open-excavation.
本发明特别适合于铺设地下管线穿越不可开挖地段的工程使用。
By analysis of difficult points in underdrainage design at excavation section, the paper briefly introduces thinkings and methods for underdrainage design at excavation section.
通过对挖方段暗排设计难点的分析,简要介绍挖方段暗排设计的思路及方法。
The calculation about the area of filling-in and excavation of canal cross section is the basic work in earth volume of the canal designing.
渠道断面填挖面积计算是渠道设计中的填挖土方量计算的基础工作。
Methods of tunnel excavation in unconsolidated formations and the collapse zone treatment are intro-duced according to the formation properties fo exit section of Yangzong No. 1 Tunnel.
针对阳宗海一号隧道出口段的地层特点,介绍了在松散土体地层中遂道施工方法的选择及在施工中出现坍塌的处理方法。
Meanwhile hand excavation and weak explosion have been taken according to different ground condition . So it has finally passed this section smoothly .
同时针对不同部位地层采取人工开挖和弱爆破施工,顺利地通过了该地段。
The spoiling is a key factor influencing the advance speed for the shaft excavation, especially for the excavation of large cross section and deep shaft.
对于竖井开挖 ,尤其是大断面深竖井开挖 ,出碴这一环节 ,往往是决定掘进速度快慢的关键因素。
Many highway distresses often appear in the loess excavation section because the collapsible property of loess.
由于黄土具有特殊的湿陷性,黄土挖方地区时常发生公路病害。
The hydraulic calculation for cleaning of alluvial plain in the tailrace outlet section of Jintang Hydropower Project was made to reduce excavation quantity of the alluvium plain o…
在上游蓄水高程一定的情况下,尽量保持尾水出流平顺和降低尾水高程是增加电站机组出力、提高经济效益的重要手段。
The hydraulic calculation for cleaning of alluvial plain in the tailrace outlet section of Jintang Hydropower Project was made to reduce excavation quantity of the alluvium plain o…
在上游蓄水高程一定的情况下,尽量保持尾水出流平顺和降低尾水高程是增加电站机组出力、提高经济效益的重要手段。
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