Layered construction, seam position should be staggered with each other.
分层施工时,留缝位置应互相错开。
This paper summarizes the organization and key technology of rapid construction medium and large head chamber in thick seam, and provides valuable experience for the project under similar condition.
本文全面总结了厚煤层中大型机头硐室快速施工的组织及关键技术技巧,为在同类条件下施工类似工程提供了宝贵经验。
It is the key to cut through coal seam safely and economically in highway tunnel construction that the fatalness of coal and gas outburst is predicted accurately.
在公路隧道揭穿煤层的施工中,揭煤突危险性的正确预测是安全、经济地揭穿煤层的关键。
This paper introduces the construction of highway bridge expansion joints to the problems, and puts forward the highway bridge is adjustable seam construction and quality control measures.
本文介绍了公路桥梁伸缩缝施工容易出现的问题,提出了公路桥梁伸缩缝的施工与质量控制措施。
Taking the processing the welding seam qualification rate can be increased and also ensured the welding quality in gas piping construction.
采用此工艺可提高焊缝检验合格率,保证燃气管道施工的焊接质量。
The concrete construction methods and effects of mining technology in the middle thick coal seam are introduced.
介绍了中厚煤层回采工艺的具体施工方法和效果,同时介绍了工作面支护参数的计算。
The organization of construction and application result of metal net support in thick coal seam mining are introduced.
介绍了厚煤层回采巷道中锚网(索)支护的施工组织及应用效果分析。
The method and measure to detect the fault and coal seam in construction of No 12 mining area in the Chen Mine, Yongcheng is introduced.
介绍了在永城车集矿12采区工程施工中,如何解决井下探测断层与煤层的方法与措施。
Through analysing the parameter, construction, designing principle of MG150PW extremum thin seam coal winning machine. This paper discusses its developing vista in extremum thin seam mining.
通过对MG 150pw极薄煤层采煤机的参数、结构设计原理进行分析,论述在极薄煤层开采中的发展前景。
How to select road section shape, bolting parameter and roadway construction method in large section cut in thick coal seam according to production reality and bolting theory are introduced.
根据生产实践及锚杆支护理论,论述了在厚煤层大断面切眼中,如何进行巷道断面形状、锚杆支护参数的选择及其巷道的施工方法。
There are a lot of people will ask: my home is below the tile floor tile seam beauty agent construction will lead to cracking of ceramic tile?
有很多人会问:我家瓷砖下面是地暖,瓷砖美缝剂施工之后会不会导致瓷砖开裂?
Internal flat seam construction to reduce pressure points.
外部单位煤层施工,以增加压力点。
The specific calculated data of mining technology in the steeply pitching medium thick coal seam and it's application effect in real construction are introduced.
介绍了急倾斜中厚煤层回采工艺的具体计算数据,以及在实际施工中的应用效果;同时介绍了采后沿空留巷的施工方法。
Special geological conditions including karst cave, flow sand seam and underground river are encountered during construction of railway and highway engineering.
在公路铁路基础建设工程中,常会遇见溶洞、流砂层、地下暗河等特殊地质情况。
According to the domestic pipeline construction demand to the pipe, it is proposed to import a longitudinal seam SAW steel pipe mill as early as possible.
根据国内管道建设的需要,建议尽早引进一条直缝埋弧焊管机组。
Throngh the detailed analysis of the relations between geology construction and coal seam gas content, the theory, that geology construction controls coal seam gas content, has been put forward.
对构造与煤层沼气含量的关系进行了详尽的分析,论述了构造控制沼气含量的理论。
It analyses the existed problem during design and construction and puts forward Suggestions to the welded seam inspection and acceptance criteria...
对于国内目前采用的焊缝探伤及验收标准,分析了设计和施工中存在的问题,并提出了一些建议。
A construction of the water dam chamber for isolation between horizontal and up and down seam in a mining district is one of the comment water prevention and control methods.
建造防水闸门硐室,进行水平、区上下组煤隔离,是预防水患普遍采用的方法。
Optimizing the Construction Organization Planning, Decreasing the Tunes of Uncovering Coal Seam, Shortening the Period of Mine Construction.
优化施工组织设计,减少揭煤次数,缩短建井工期。
The high seam drill 2000 is stainless steel construction and the cylinder rods of the 1st inner legs of the stinger and drill leg are stainless steel.
这种厚煤层钻孔机2000是不锈钢结构,钻头第一内部腿架的活塞杆和钻孔机支架都是不锈钢的。
Double-adhesive latex seam-sealed construction.
双重粘合乳胶密封构造;
Double-adhesive latex seam-sealed construction.
双重粘合乳胶密封构造;
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