預裂 的英文怎麼說
中文拼音 [yùliè]
預裂
英文
presegmentation-
Finally, some methods calculating cast blasting parameters and pre - splitting blast parameters and some advices of minish losing coal were brought forward
最後給出了確定高臺階拋擲爆破參數和預裂爆破參數的方法，並提出了減小煤損失的一些措施。During blasting test of rock split in advance using double factors test method, the work is reduced and predigested
在預裂爆破試驗中，採用雙因素試驗方法，減少了試驗的工作量。Application of deep - hole pre - splitting blast and coal body reinforcement technique by metal skeleton and grouting in a face by crosscut for exposing coal seam
深孔控制預裂爆破與金屬骨架注漿加固煤體技術在石門揭煤工作面的應用Application of pre - splitting blasting to high rock slope
高邊坡預裂孔施工技術In this paper, the high - temperature low - cycle fatigue life and fatigue crack propagation life tests are carried on the cylindrical axial symmetry specimens having precrack or non - precrack with different types of notches of 16mnr steel in common use in the petrochemical industry contacting coke drum equipment, the stress / strain and the range of stress / strain of dangerous points are received through stress analysis of the specimens using finite element program under multi - axial stress state. at last, the equations of evaluating the high - temperature low - cycle fatigue life and the fatigue crack propagation life are found through using the least - square regression method
本文採用無預裂紋和帶預裂紋環狀缺口圓柱形試樣，進行了石化焦炭塔設備常用材料16mnr多維應力狀態下不同缺口形式的高溫低周疲勞總壽命試驗及裂紋擴展壽命試驗，並利用有限元程序對試樣缺口周圍及裂紋尖端附近進行了軸對稱多維應力狀態下的應力、應變場分析，來評價材料不同條件下的高溫低周疲勞總壽命和裂紋擴展壽命，最後利用最小二乘回歸方法，得到了該材料高溫低周疲勞總壽命和裂紋擴展壽命評價方程。Study on wide space pre - splitting blasting in bayanghe stock yard
八洋河料場寬孔距預裂爆破研究How to ensure the project implement safely and effectively, esp in the complicated condition of geology, the terrain and its features, is the key to restrict the project finishing successfully ; in this paper, the theoretic analyse and pratical study based on the extension of 309 country road ( from wuan to shexian in hebei province ), adopt the method of theoretical analyse, caculater and experiment, improve the controlling blasting skill and construction crafr of roadbed stonework, control the blasting harm effectively, accomplish the construction quickly and safely in normal conditions. the paper puts forward to the relative parameter applying to roadbed extension in beforecrack blasting, and raises the combination of beforecrack demolition and buffer demolition, which is the main way to conctrol the side - slope stable and taking shape. putting to use the achievement produces great social benifet and economic benefitjt has widely practical future
特別是在復雜的地質，地形及地物條件下，如何保證工程的安全快速有效實施成為制約工程順利完成的關鍵。本文的理論分析和實踐研究以國道309河北武安至涉縣段改建工程為依託，採用理論分析計算與現場試驗相結合的方法，研究並優化了路基石方控制爆破技術與施工工藝，有效控制了爆破危害，實現了保證現有公路正常運營條件下的快速安全施工，本文提出了在預裂爆破中適合於路基擴塹工程的有關參數。同時提出了預裂爆破與緩沖爆破相結合是控制邊坡穩定和成形的主要途徑。The paper researches the relations between blasting effect and blasting parameters, including diameter of drill, non - coincidence coefficient, hole spacing, hole row - spacing, cartridge diameter, charge per hole, density of line charge, charging structure and detonating manner, and how to adjust the blasting parameters to get the best blasting effect under the given geological condition
本文在重慶市某高速公路合同段進行了現場預裂爆破試驗的基礎上，研究了炮眼直徑、不耦合系數、炮孔間距、炮孔排距、藥卷直徑、單孔藥量和線裝藥密度、裝填結構、起爆方式等爆破參數與爆破效果之間的聯系，以及如何在給定的地質條件下調整爆破參數獲得最佳的爆破效果。Experimental study on short delay pre - splitting blasting among the holes
孔間微差預裂爆破試驗研究Based on the engineering practice of the side slope excavation of dayanchi section within the road for the construction traffic of guandi hydropower station, the problems such as the selection of blasthole distance for presplit blasting, and the rock ridge, the levelness of the presplit face, lower hole - making rate of the auxiliary blastholes after the presplit blasting, the blasting network for prespliting and blasting zone and the angle change of the presplit hole etc. are analyzed ; for which the specific solutions are put forward herein as well
摘要通過官地水電站對外交通公路大鹽池合同段邊坡開挖中預裂爆破的工程實踐，對預裂爆破的孔距選擇及下部嚴重出現巖坎、預裂面平整度、預裂爆破后輔助孔成孔率低、預裂與爆破區爆破網路以及預裂孔角度變化等問題進行分析，提出了具體的解決方法。Under the consideration of the engineering geological condition of dahuashui hydropower station, the pre - splitting blasting technology and reasonable construction method are adopted for the excavation of the dam foundation in accordance with the analysis on the rock strata therein, in which the design of the blasting parameters and powder charging structure as well as the angle control and the height of the excavating steps are particularly determined, and then better splitting effect is got for the slope excavation and the quality requirement of the construction is satisfied as well
摘要結合大花水水電站大壩工程地質條件，通過分析巖層具體情況，採用預裂爆破施工技術，合理施工方法進行壩基開挖，並對爆破參數和裝藥結構的設計，鉆孔的角度控制和梯段高度精心確定，使該邊坡開挖預裂取得良好的效果，保證了壩基開挖的質量要求。For example of granite, block stone mining analyzed deeply the blasting parameter ; the construction point of pie - split blasting engineering, and evaluated the blasting effect the result shows that pre - split blasting is applied successfully in the project
摘要針對花崗巖塊石開采工程，深入分析了預裂爆破參數的選擇、爆破施工應遵循的要點，並對爆破效果進行了評價，結果表明預裂爆破在該項工程中得到了成功應用。For reducing cost and accelerating construction speed sparingly, at present in irrigation works construct in producing testing progressively and antiabrasion layer that popularize excavating method competent to split law in advance, flexible cushion layer etc. accumulative charge to vertical hole has been tested in three gorege project only
為了節省施工成本、加快施工進度，目前在水利工程施工生產中逐步試驗並推廣的保護層開挖方法有水平預裂法，柔性墊層法等。對於垂直孔水平聚能藥包爆破用於生產試驗僅在三峽進行過。Analysis on interruption of propagation of detonation during a pre - splitting blasting
一次預裂爆破傳爆中斷的原因分析This paper expounds the relation of side slope ' s stability with all explosion methods, discusses the development and basic principle of presplit blasting energy - focusing cutting, and introduces the course of development and research on precracking explosion by energy - focusing cutting and its application in dayaowan phase project
摘要綜述邊坡穩定性與各種爆破方法之間的關系，探討聚能切割預裂爆破的發展與基本原理，並對聚能切割預裂爆破的研製過程及其在大窯灣二期工程中的應用作簡單介紹。Corrosion of metals and alloys - corrosion fatigue testing - part 2 : crack propagation testing using precracked specimens
金屬與合金的腐蝕.腐蝕疲勞試驗.第2部分:使用預裂紋樣品的裂紋擴展試驗Application of pre - splitting blasting technique in road - slope project
預裂爆破技術在公路邊坡工程中的應用Application of quasi - presplit blasting in large - scale chamber excavation
準預裂爆破在大型硐室開挖中的應用Study on parameters selection and quality measures in smooth and presplitting blasting
預裂爆破參數選擇與質量措施研究The application of horizontal - advance - splitting in excavation of dam foundation
水平預裂爆破在三峽工程壩基開挖中的應用分享友人