在垂直开挖地段布置了微型钢管桩进行超前支护。
Minitype steel pipe piles are installed for advance support in vertical digging segment.
顺槽；超前支护支架；工作面；应用；研究；
在此基础上运用有限元方法对超前支护效应进行了数值模拟分析。
On this basis, effect of advancing support is analyzed with the finite element method.
管棚注浆法是地下结构工程浅埋暗挖时通常采用的一种超前支护技术。
The application of pre-casting technology through advanced installed pipe shed in portal section construction of highway tunnel in fault-rupture zone;
软土中的机械预切槽法是超前支护的一种，在预筑拱的保护下可以安全高效地开挖隧道。
The Mechanical pre-cutting method used in soft ground is a kind of preparative support, it allows tunnel excavation work to be conducted efficiently under the safe pre-lining.
神华集团神东矿区哈拉沟煤矿在长壁工作面回风巷中采用了一种新型自移式超前支护支架组。
A new type self-walking advance timbering support set is adopted in longwall coal mining face of Halagou coal Mine, Shendong coal District by Shenhua Group co.
根据实际开挖所揭露的岩溶状况，需要调整超前支护和初期支护参数，以保证锚洞施工安全。
In accordance with the actual karst excavation, advanced and initial supporting parameters should be adjusted for construction safety of the anchor tunnel.
水泥上桩复合土钉是为解决土钉支护在软土中应用时的止水、抗渗、超前支护等问题而出现的。
Composite retaining of cement-soil pile and soiling nailing (CRCSPSN) has been used for solving the problems in soft soil, such as water-sealing, seepage-stability, pre-retaining, etc.
本文介绍煤矿井下掘进巷道锚杆支护工作面用于临时超前支护的一种可调配比式轻型乳化液泵站。
The paper introduces an adjustable compounding light-duty emulsion pump station used for temporary fore support at the roof-bolt face of underground heading roadway.
通过对掘进巷道超前支护的改进，改变了掘进头的安全状况，有效地降低了掘进工作面安全事故的发生。
By improving the fore support for heading faces, the safer condition of heading faces will become available, reduces the possibilities of accidents in heading faces.
超前支护锚杆锚固后与顶板岩石构成一体，这样使超前锚杆形成组合梁作用，放炮后，能够阻止顶板岩石冒落。
Forward support bolt combined with roop rock by bolting can play a roll of combined beam, which can prevent roof rock caving immediately after explosion.
文章介绍公路隧道所采用的长大管棚超前支护的施工技术，从设计参数、作用原理、施工工序、进度情况、质量控制几个方面作了具体介绍。
The paper discusses the phenomena of the attack by ARP virus and its working principles, proposes testing and treating ways and introduces some currently popular defending methods.
寺河矿综采工作面巷道采用顺序开采的回采方式。选用7200/23/38 A型垛式支架对巷道进行超前支护，实践中提出了支护过程中存在的几点问题并提出了改进意见。
Sequential mining is utilized in the fully-mechanized face in Sihe mine. 7200/23/38A chock support is used in entry, some problems on its usage and related improvement opinions are put foreward.
研究结果：施工方案中提出了大直径超前管幕支护措施，用以控制地层变位。
Research results:The support measures in advance were proposed in construction scheme for large-diameter advanced tubal curtain in order to control the displacement of stratum.
超前注浆管棚支护是一种避免在软土地层或含水地层中盾构隧道开挖面失稳的有效技术。
The advanced pipe grouting is an effective technique to avoid the instability of shield-tunneling faces in soft or water-bearing ground.
其它的情况，需要及时支护，或者超前最后一个支架进行支护。
In others, close support, or support ahead of the last set, is required.
为了严格控制既有环线区间隧道的沉降，确保环线地铁运营安全，首次采用了顶管作超前预支护。
In order to control the subsidence of the interval tunnel and guarantee the safety of operation strictly, pipe-jacking is used as pre-support for the first time.
实践证明，采用超前锚杆支护能够加快掘进速度、保障安全生产和节约掘进成本。
Carry out a certificate, adopt the advance rockbolt shoring to be able to accelerate driving speed, ensure safety...
介绍了当前隧道超前预支护技术的现状，分析了其优缺点。
The temporary support technology of pre-support in tunnel is introduced. Its advantages and disadvantages are analyzed.
管棚复合钢支撑技术，是一个通过超前管棚、支撑钢拱、白铁皮隔离、工作面封堵的相互配合和共同作用，形成了具有强大支护抗力的复合支护体系。
Pipe lodgepole-steel tunnel support technique is a strong composite support system consisting of advance pipe lodgepole, support stell vault, tin plate packer and working surface plug-back.
通过新风积砂隧道采用小导管超前预支护技术成功克服了短隧道的开挖问题。
Whereas the new wind-blown sand tunnel has adopted small duct leading pre-bracing and overcome problem with excavation.
超前管棚支护是隧道施工中穿越软弱破碎围岩的一种有效的预支护方法。
The shed-pipe advanced support that passes through soft cracked rock mass in tunnel construction is an effective pre-supporting method.
重点介绍超前预支护中新型的顶管加固法，为地下工程施工技术的选择提供参考。
New pipe curtain method is detailedly dissertated, which can provide a reference to the selection of construction technology of underground engineering.
在软弱松散或不良地质地层中以及在城市地铁中修建隧道时，为了能够有效地限制地面沉陷，并全面地保持地层处于稳定状态，需要对地层进行超前预支护加固。
In order to limit the sink of surface and maintain the stratum stable, it's necessary to do pre-support and consolidation, when tunnels would be constructed in soft or weak geology stratum.
超前桩墙在软弱土基坑土钉支护中的应用，扩展了土钉支护技术的适用范围，但国内外对其作用机理的研究甚少。
The application of leading pile wall to the foundation pit of soft soil braced by soil nails expands the application range of soil nail bracing technique.
研究了水、预应力锚杆（索）、水泥土搅拌桩以及超前微桩对复合土钉支护时土体稳定性的影响作用并给出了相应的计算公式。
Then, the influence functions of water, prestressed anchor and cement-soil retaining wall and front small-piles in the compound soil nailing system were studied. The corresponding formulas were given.
该巷应用3年多来，虽3次遭受超前压力的影响，但没有明显的矿山压力显现，从而证明这种支护设计的合理性。
The roadway has been used for three years. Through being effect by three times of mining, but it has no obvious damage. This proves the reasonability of the design.
该巷应用3年多来，虽3次遭受超前压力的影响，但没有明显的矿山压力显现，从而证明这种支护设计的合理性。
The roadway has been used for three years. Through being effect by three times of mining, but it has no obvious damage. This proves the reasonability of the design.
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