The water seepage problems of excavation section are solved.
针对水损坏对沥青路面破坏的严重性进行探讨,分析了渗水处理方式的确定方法,并分类阐述不同情况下的处理措施,较好地解决了挖方段的渗水问题。
In excavation of basement for high-rise building, passing through different types of rock,based on data from engineering survey and classification of soil and rock,a method for calculating the volume of rock and earth excavation is presented in this paper.
本文旨在探讨高层建筑地下室开挖深度穿过不同类别的岩土层时 ,依工程勘测资料及《土壤及岩石分类表》计算不同类别岩土工程量的方法 ,并导出了在变坡度条件下计算分类岩土方量的递推公式 ,此公式可用于一切挖方放坡的分类岩土工程量计算。
The land filling,land excavation and earth disposal in project site preparation have a direct im- pact on the investment of site earthworks and are the main factors for decision-making on the earthworks.
工程建设场地上填方、挖方和外弃土石方的价格直接影响到场地土石方工程投资,并成为土石方工程决策的决定因素。
Finite element model for analyzing stress field of bottom hole based on excavating method;
基于开挖方法的井底应力场有限元模型
The analysis model, excavating methods, analyzing process, and analysis options of the bottom-hole stress field are applied during the research process.
为研究双级钻头导扩眼直径比,应用双级钻头的井底应力场分析模型、开挖方法、分析过程及分析选项,对Φ190。
The relationships among deformation,stress and damaged state of surrounding rock mass of soft rock tunnel,excavation methods and supporting schemes are studied under the conditions of high geostress and low mechanical parameters of rock mass based on small strain-large deformation theory and 3D FEM.
应用弹塑性小应变大变形理论,运用三维有限元方法研究了台湾软岩隧道在高地应力和围岩岩体力学参数较低的情况下,围岩变形、受力及破坏状态与开挖方式和支护方案的关系,得到了一些有益的结论,为该地区隧道合理施工提供了依据。
Mechanical effect of ground and composite lining is taken as study object after the small-distance tunnels located at soft ground achieves stability by different excavation methods,and the analysis is focused on mechanical characteristics of bolt,shotcrete,secondary lining,also the influence of middle rock wall different interval on the plastic zone of middle rock wall.
以软岩小净距隧道在不同开挖方式下达到稳定后围岩和复合衬砌的力学效应为对象,重点分析不同开挖方式下锚杆、喷射混凝土层和二次衬砌的受力特点,考察不同净距对中夹岩柱塑性区的影响。
Mechanics effect of ground and composite lining is taken aa study object after small - distance tunnels which are located at soft ground achieves stability under different excavation methods, and analysis is focused on mechanics characteristics of bolt, shotcrete, secondary lining, also the plastic zone influence of middle rock wall with different interval.
结合某公路隧道出口端隧道间距较小的实际情况,运用数值计算的方法,对软岩条件下小净距隧道在不同开挖方式下达到稳定后围岩和复合衬砌的力学效应进行了分析,同时,考察不同净距对中夹岩墙塑性区的影响。
Research and realization of cut/fill computation method based on ArcGIS;
基于ArcGIS的填挖方量算法研究与实现
On basis of summarizing the experience in the construction of the passenger-dedicated railway tunnels in China,the authors present the technical features of the construction the large cross-section tunnels and the selection of the excavation methods for the tunnels.
通过对国内部分已建和在建客运专线大断面隧道的施工总结,结合生产实践,主要论述了大断面隧道的施工技术特点及开挖方法选择;并以合武铁路隧道施工为例,对隧道开挖方法进行了探讨;可为大断面隧道施工提供参考。
Based upon introduction of excavation method of foundation pit practical technical safety measures for excavation and earth lifting are proposed in order to ensure construction progress and excavation quality.
阐述了基坑塌方的危害,介绍了基坑开挖方法,并从基坑开挖安全技术措施和土石方吊运安全措施两方面阐述了基坑开挖的安全措施,从而有效地提高了施工进度和开挖质量。
On excavation scheme of foundation pit of roadside high-rise building;
浅谈路边高层住宅基坑的开挖方案
Effects of excavation scheme on adjoining stability of rocks surrounding tunnels;
开挖方案对洞群围岩稳定性的影响研究
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