认为采用喷锚支护是防止其初始冒落的有效措施。
It is concluded that the shotcreting-bolting support is a effective measure guarding against initial caving.
对围岩采用系统喷锚支护,局部作加强处理,稳定性良好。
Systematic rock bolt support and shotcrete were carried out for the surrounding rock and reinforcement was done locally for rock stability.
一般在土体粘性差,对变形位移要求较严格的情况下,采用喷锚支护较安全可靠;
The concrete spray bolting is generally suitable only to low-viscosity, high-deformation or displacement soil so that safety of foundation pit can be guaranteed.
通过多次现场试验也证明:喷锚支护比现浇混凝土的支护能力在相同条件下要大得多。
Many site tests have also proved that the strength of anchor and shotcrete support is much greater than that of conventional in situ concrete lining.
该工程采用以喷锚支护为主、上部结合放坡、并用桩锚支护重点坑段的综合方案,经实践证明是成功的。
In this project, shotcrete-bolt and slope are used in most segments of the pit. and pile-anchor is used in some important pit segment this scheme is proved to be successful.
最后提出喷锚支护的出现,从实践上解决将围岩与支护作为统一结构体的概念去处理地下工程的支护问题。
The introduction of anchor and shotcrete support has solved practically the problem of handling underground engineering support problems by considering rock and support as a structural entity.
通过对喷锚支护机理进行分析,得出喷锚支护失效的主要原因在于喷锚支护的刚度和极限变形量与围岩不匹配。
Based on the mechanism analysis of shotcrete-bolt support, the main cause of support failure was found to be the mismatch between its stiffness and ultimate distortion and the wall rock.
鹤岗矿业集团兴安煤矿在煤巷中应用锚索锚杆挂网喷喧支护,取得了较好的技术经济效果。
The combined support with cable bolt wire mesh and shotcreting is applied in coal roadway in Xingan coal Mine of Hegang Mining Industry Group.
介绍了在破碎岩体中施工立眼煤仓,采用锚网喷、钢带、锚索、钢筋混凝土联合支护的应用,立眼煤仓施工中使用帮锚索,在益新煤矿还是首例。
This article introduces the application of how to construct the coal depot, and combined support with anchor mesh shotcrete, steel strape, anchor rope, steel and concrete.
摘要:喷锚加固技术是一种性能优良并且在实际工作中应用很广泛的道路边坡工程支护技术。
Abstract: the spray anchor reinforcement technique is a fine performance and application in the practical work, a wide range of road slope engineering support technology.
文章介绍了深基坑采用喷锚对边坡土体进行支护的设计与施工技术,保证边坡的稳定。
The article introduces the design and construction technology of side slope soil supporting of a deep foundation pit by gunning anchorage method, so as to ensure stability of the slope.
针对岩巷布置层位,阐述了采用裸巷、砌碹、u型钢棚、锚网喷等多种支护形式并存的必要性与可行性。
For rock roadway layout layer, the necessity and feasibility of using nude alley, a hell of arch, the U-steel shed, bolt net and spraying and other forms of support are expounded.
虽然近几年来已成功研制了各种可伸长锚杆,但锚喷支护中混凝土喷层研究仍未有明显突破。
Although it has success development different producibility bolt in last few year, concrete spraying research have not the obvious break through in anchor spray support.
针对锚喷网联合支护巷道的分析中存在变形不协调等问题,提出了经改进的分析方法。
A improved method is proposed for solving problems such as uncoordinated deformation, ete, encountered in analysis of roadways with combined support of shotcrete and bolting wire.
阐明了在无炭柱应用锚喷网支护可行性及设计参数,依据实践对其技术经济效益进行评价,为以后类似工程中应用锚喷网支护技术提供参考依据。
The feasibility and design parameters of shotcreting mesh support without coal pillar are narrated, its technical economic efficiency is evaluated, which supplies a reference for similar project.
通过认真研究,最终确定了拉锚式排桩的基坑支护方案及高喷注浆帷幕的基坑防渗方案。
After careful studies and discussions, a design program has been put forward, that is to shore up the pit by anchored line-up piles and to cut off the seepage by high-pressure jet-grouting curtain.
钢筋骨架网衬砌模注砼及初期锚喷砼支护,采用水泥裹砂半湿式喷砼法;
The re bar net preliminary lining mould shotcrete and preliminary and anchor shotcrete are used for support by the use of the semi wet spraying method with sand entrapped in cement.
根据聚丙烯纤维混凝土结构力学原理,研究聚丙烯纤维混凝土喷层在煤矿锚喷巷道支护中适用性。
According to mechanical principle of polypropylene fiber concrete structure, the applicability of polypropylene fiber concrete in the coal mine spray tunnel protection is researched.
最后还研究了在不稳定围岩实施加钢筋条带全长锚杆支护作用机理及喷层破坏分析方法。
Finally, the mechanism and computing methods for bolting and shotcreting with a steel reinforced strip in unstable rock were studied.
最后还研究了在不稳定围岩实施加钢筋条带全长锚杆支护作用机理及喷层破坏分析方法。
Finally, the mechanism and computing methods for bolting and shotcreting with a steel reinforced strip in unstable rock were studied.
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