頂板孔 的英文怎麼說
中文拼音 [dǐngbǎnkǒng]
頂板孔
英文
roof hole-
In the process of work, according to complex geological conditions such as huge thick soft clay in site and top surface of possible pile foundation supporting course fluctuating in large amplitude, we adopted many advanced exploratory methods ( just as high accuracy exploration of shallow earthquake, crosshole wave velocity test, vane shear test, pressuremeter test, etc. ), we found out that there is an ancient groove of yangzi river in former plant site, therefore we suggested in time that plant site should properly be moved eastwardly, only this item saved nearly about 50 million for pile foundation project cost
在工作過程，根據廠址區軟粘土厚度大、可能作為樁基持力層頂面起伏變化大等復雜地質條件，採取了多種先進的勘探手段（如高精度淺層地震勘探、跨孔波速試驗、十字板剪切試驗、旁壓試驗等） ，查明了原廠址區存在一個長江古凹槽，並及時建議廠址適當東移，僅次一項就節省樁基工程費用近5000萬元。Fabrication of the box beam is divided into such parts as reinforcement, formwork, concreting, prestressing, moving and storing of beam, pipe grouting under pressure, end sealing of the beam, water - proof layer on the bridge surface system, protective coating etc. the paper makes description of effective box beam construction technology and workmanship which can be adopted in other projects, such technologies as : manufacturing and fixing of reinforcement, steel reinforcement fixing baseplate, web plate and top plate respectively and lifting the steel skeleton into form, requirements of design and manufacturing and way of utilization for dismantling - erection type formwork and hydraulic formwork, optimization of concrete ratio, concrete pouring process of two ends of beam in priority over the middle, in sequence of first baseplate followed by web plate and top plate at last, concrete pouring in inclined section and in horizontal layer, concrete vibration mainly by external vibrator in assistance with internal vibrator, methods and regulation for steam curing of concrete, dual controls over stress and strain to ensure quality of prestressing workmanship, construction method of effective beam moving by heavy - weight special moving facility, some regulations and key notes about construction of grouting under pressure, beam ends sealing, water - proof layer on the bridge surface system, protective coating
箱梁製造由鋼筋工程、模板工程、混凝土工程、預應力工程、移存梁工程、孔道壓漿工程、梁體封端工程、橋面防水層和保護層工程等施工環節組成。文中介紹的採用胎具製作和綁扎鋼筋，分底腹板和頂板分別綁扎並吊裝鋼筋骨架入模；拆裝式和液壓式兩種模板的設計、製作要求和使用方法；綜合考慮、優化混凝土配合比，混凝土灌注從兩端至中間、先底板、后腹板、再頂板的施工順序和斜向分段、腹板水平分層、附著式振搗為主、插入式搗固為輔的施工工藝，蒸汽養護的方法和規定；應力應變雙控制確保預應力施工質量的施工技術；採用重物移運器有效移梁的施工方法；壓漿、封端、橋面防水層和保護層施工的一些規定和注意事項等都是對箱梁製造行之有效的施工技術和施工方法，並可為以後類似施工作借鑒。Gas drainage technique for high position bore - hole along roof strike
頂板走向高位鉆孔抽放瓦斯技術Practice and cognition of gas drainage hole construction along roof trend in fully mechanized caving coal face
綜放工作面頂板走向瓦斯抽放孔施工的實踐與認識The latest constructing machine and the newest technology were adopted to ensure that the borehole is perpendicular to the rock face of roof and that the depth of borehole and the torsional moment of the anchoring bolt meet the design requirement
採用最新錨桿施工機具及工藝，保證鉆孔垂直於頂板巖面，孔深及錨桿扭矩滿足新型機械錨桿的設計要求。Through inversion analyzing the results of inspection and observation which was applied the multipoint displacement measures and the drilling anchor stress measures to the top surface in the xianggui gypsummine eastern workings, this article will attempt to propose the deformation law of stope terrane after the underwater mine area, which provided a reliable basis for taking measures to control the strata movement
摘要為了研究湘桂石膏礦的巖體變形規律，對該礦東采區頂板巖孔多點位移計觀測和鉆孔錨桿應力計檢測的結果進行綜合反演分析，提出了水下礦區開挖后采場巖層的變形規律，為採取有效措施控制巖層移動提供了依據。Effectiveness of outburst - prevention measures of combining gas pre - drainage by highly - located roadway in roof with deep - hole loosening blasting
頂板高位巷預抽與深孔松動爆破相結合防突出措施效果Applied research on gas drainage technology with horizontal bore hole near mine roof level
頂板高位水平鉆孔瓦斯抽放技術應用研究Probing into gas control technique by high roof - fall roadway and highly - located bore - holes in working face of shangzhuang coal mine
尚莊煤礦回採工作面頂板高冒巷和高位鉆孔治理瓦斯技術探討The paper analyzes the features of the design of shijiezhichuang station on shenzhen subway line 1 in respect of the choice of transfer mode, the scale of transfer nodes reserved in advance, openings in the ceiling, utilization of the upper space above the region of crossover switch and the distance between the east end of the station and the existing road tunnel
摘要對深圳地鐵1號線世界之窗站設計中的特點進行分析，包括車站換乘形式的選擇，預留換乘節點的大小、車站頂板的開孔、折返線道岔區上部空間的利用、車站東端距既有汽車隧道的距離等。This differ with computation modal that design the foundation pier very big, bearing power too than design increment ; usage mechanics numerical analysis device with limited a logarithm of timw fitting method logt, noted the rock strength in stake tip of the borehole cast - in - place concrete pile to proceed with the structure steadiness the simulation compute to study with the fixed amount, designing for the engineering to start construction to provide for science with the spot
本研究結合現場試驗、力學數值分析和有限單元分析，對巖溶地段鉆孔灌注樁的施工工藝、荷載傳遞機理、持力層頂板厚度及嵌巖深度等方面作一些探討性研究，為該工程的設計和施工積累經驗，並為該類課題的進一步研究奠定了基礎。Application of technology of high gas cannon picking roof perforate gas administer
高瓦斯炮放面頂板鉆孔法瓦斯治理技術應用Study on coal seam roof gas drainage from the strike of annular fracture areas by the long drill method
開採煤層頂板環形裂隙圈內走向長鉆孔法抽放瓦斯研究Research on rationally arranging position of horizontal boreholes in roof rock stratum
頂板巖層水平長鉆孔合理布孔層位的研究Application of gas drainage method with bore hole in face roof under condition of sliding roof in gaocheng mine
頂板鉆孔瓦斯抽放方法在告成礦的應用Determination of rational roof hole position in b11 winning face in huainan old mining area
11回採面頂板鉆孔合理位置確定Optimization on roof strike borehole parameters of gently inclined and high cutting fully mechanized longwall mining face
大采高綜采工作面頂板走向鉆孔參數的優化Upper plate and lower plate design with subsection and with in - out hole for different choice
頂板及底板採用分段式設計，並設有進、出細孔，方便客戶選擇Which often produces some unexpected problems, such as prolonging time limit of project, increasing engineering quantities and cost, etc. through test on the site, dynamic value analysis, finite element unit method, the paper researchs construction technology of in - situ pile, transfer theory, thickness of supporting layer of head slab and depth of pile in karst area, provides some important conclusions, directs effectively the design and construction of this kind of projects
但因溶洞的分佈規律性差，現有勘探手段難於事先查明它的準確位置及大小，因而常常給施工帶來意想不到的問題：工期延長、工程量增加及工程費用增加等。本文通過現場試驗、理論計算和有限單元分析，對巖溶地區鉆孔灌注樁的施工工藝、荷載傳遞機理、持力層頂板厚度及嵌巖深度等方面進行了較為系統的研究，得出了一些重要結論，有效地指導了該類工程的設計和施工。Technique for gas drainage from high - located inclined holes in roof
頂板高位傾斜鉆孔抽放采空區瓦斯分享友人