預裂縫 的英文怎麼說
中文拼音 [yùlièféng]
預裂縫
英文
precracking-
Focused on archaean fractured reservoir of metamorphic rock in the damintun depression of liaohe basin, by the newly studied methods, the author predicts fractures in buried hills by drilling, coring, well logging and seismic data intergrately
本文以遼河盆地大民屯凹陷太古界變質巖裂縫性儲層為研究對象，從技術研究的角度出發，首次探索了利用鉆井取芯、測井和地震資料綜合預測潛山裂縫發育的方法。The early - crack analysis and pre - control of ribbed floor slab placed by pre - mixing concrete
用預拌混凝土澆制肋形樓板的早期裂縫分析和防治6 ) fmi is used to visually identify fractures, but furthermore to calibrate conventional well log data and develop fracture prediction model
Fmi對裂縫識別直觀有效，但其意義更在於刻度常規測並資料，建立裂縫的預測模型； 7Based on 3 - d seismic well and logging data, mainly by means of advanced seismic theories of reservoirs prediction and other corelational multidisciplinary, an extensive and indepth studying on the tight sandstone reservoir with fracture of the second part of the xujiahe formation in west sichuan depression has been carried out. a series of theoretical viewpoints and research fruition are concluded as follows :. 1 on the basis of analysis of the regional and local structure characteristics and evolution, a conclusion comes in to being : inchoate and nowadays structure traps and the match model between structure and fracturation system are the main factors in controlling the formation of effective traps
本文綜合利用三維地震、鉆井、巖心、測井資料，採用地震儲層預測方法為主線的多學科綜合研究思路對川西坳陷上三疊統須家河組二段緻密裂縫性砂巖儲層進行了較為廣泛、深入的研究和探索，取得以下一系列理論認識和研究成果： 1 、通過區域及局部構造特徵及構造演化史分析，認為古今構造圈閉、構造與斷裂系統配置關系是控制有效圈閉形成的主要因素。Causation and prevention measure of slot lengthways in prefabricating concrete board
預制砼板天棚抹灰縱向裂縫產生的原因防治措施及處理方法的探討Comparing with former prediction methods, there are two progresses in it. first, the concept of fracture richness index is advanced and thus extend of fracture ' s richness can be numerable
與以前的預測方法相比，本次論文在以下兩個方面有了改進：第一，提出了裂縫發育指標的概念，從而能夠對裂縫發育程度進行量化。The relative prevention measures cover the following aspects : preparation of raw materials, semi - finished daqu, and entry of daqu stockroom according to technical standards strictly ; strict tehnica1 control during the fermentation of semi - finished daqu
預防大麴裂縫的措施有：原料、制坯、入房應嚴格按工藝標準操作；嚴格曲坯發酵期的工藝控制。Based on the construction of the testing section for the lining of jiping main canal in shandong province of south - to - north water transfer project, the main causes of the cracking from the mechanized lining concrete slabs are analyzed from the aspects of foundation treatment, bedding layer placement, quality of the raw materials for the concrete, placement of the concrete, cutting of the hardened concrete and the curing of the concrete, and then the relevant prevention and control measures are pertinently put forward
摘要結合山東省南水北調濟平乾渠工程襯砌試驗段施工情況，著重從地基處理、墊層料鋪設、混凝土原材料質量、混凝土澆築、成型混凝土割縫及養護幾個方面分析了機械化襯砌混凝土板裂縫產生的主要原因，並針對性地提出了預防及控制措施。First, using strip - partitoning method and programming in matlab language, the numerical caculations of the relation curve between moment and curvature are done for the beams strengthened with non - prestressed and pretressed cfrp sheets, base on the assumption of plane section, non - bonding slip and non - peeled destroy. secondly, nolinear finite elemeant analysis by ansys are done for the beams strengthened with prestressed cfrp sheets base on the three assumptions before mentioned, the analysis are all done for the relation curve between load and displacement, the distribution of material stress, the distribution of cracks. lastly, calculation formula of flexural capacity and deflection are proposed
）的全過程關系曲線。其次基於上面的三個假定，選擇合理的本構關系，利用ansys通用有限元分析程序對預應力碳纖維布加固梁進行非線性有限元分析，分析了加固梁的荷載-撓度關系、材料的應力情況、裂縫的分佈情況等。最後提出了承載力計算公式和正常使用狀態下撓度計算公式。From the test results, suggestion that negative moment reinforcement should run through the specimens to postpone the crack ' s appearance and improve the specimens " fire endurance are also proposed
由此提出了拉通板頂負筋的建議，以延緩橫向貫通裂縫的出現，達到保護預應力筋和提高連續板耐火性能的目的。According to the analysis of experiment on crack resistance of jetted piles under different pre - stress, it is concluded that the problem of cracks of pre - stressed jetted piles can be solved under proper adjustment of pre - stress
摘要通過在不同預應力作用下水沖樁抗裂性能試驗分析，提出對預應力做相應調整，能夠解決預應力水沖樁裂縫問題。Through analyzing and researching the physiognomy map of hebei plain > the fourthly epoch map of hebei plain > engineering geology map of hebei plain, hydrogeology map of hebei plain. lithology map of the fourthly epoch and ancient watercourse map of hebei plain, achieving the fixation factors that control the arising and development of the ground fissures, such as, the earth ' s crust tress, the fourthly epoch lithology, the chancing of ground water table, active faults and ancient watercourse, and also making sure the exponents of each factors ; researching random factors, such as, precipitation. and agriculture irrigation, and making sure the exponents of each factors too
找出了地裂縫發展的周期，對地裂縫的發展趨勢進行了預測；圈定了地裂縫發生敏感點。在分析河北平原第四紀地質圖、地貌圖、工程地質圖、水文地質圖、古河道圖基礎上，找出了河北平原地裂縫致災固定因子如：地殼應力、第四紀巖性、地下水位埋深降幅、活斷層和古河道，並確定劃分各因子指數；研究地裂縫隨機因子，如大氣降水和農業灌溉，並劃出各因子指數。The prime works are as follows : strain and stress distribution of section was analyzed. the effect of prestress degree. on cracking moment was explored. the relation of the unbonded prestress increment to effective reinforcement index and corresponding bonded prestress increment were studied. the formulae had been established
其次，設計了三根活性粉末混凝土無粘結預應力疊合梁，兩點對稱集中加載、一次受力，得到了它們的截面應變分佈、撓度與變形、無粘結預應力鋼絞線的預應力增量、裂縫的發展與分佈以及極限荷載。The production reason and precautionary measures of temperature crack in the wall body that built with the brick
磚砌墻體溫度裂縫的產生原因及預防措施Reduction crack in the pumping transfer concrete during the megathermal climateit is a diffcult problem. the unit undertaking project of no : 4 pump station for diverting water from the south to the north make a beneficial explore form the design of mix proportionging, control and the concret placing temperature to control the crack extension those experience can be referenced by the unit in charge of large scale pumping station project
摘要高溫季節泵送混凝土裂縫控制的當前工程界一個難題，南水北調淮安四站工程建設中，建設單位科學安排、精心施工，從控制混凝土配合比、入倉溫度等多方面著手，對混凝土裂縫控制技術進行了有益的探索，並取得了預期的效果，為混凝土抗裂技術積累了經驗，對同類型泵站的施工具有重要的參考意義。Crazing reason and precaution of dump truck auxiliary frame side member
自卸車副車架裂縫的原因及預防措施In view of the rapid development of electric undertaking and a sharp increase of steel products consumption, the state development planning commission, the former state water resources and hydropower ministry and state energy ministry have been urging that the building of steel towers should be strictly controlled in the construction of transformer substations ; and warning that the need of the present 500kv power transmission and transformer trusses can hardly be satisfied by ordinary steel and concrete electric poles or prestressed concrete poles, which have endangered the operation and longevity of the high voltage transmitting line due to the common problem of cracks by gravity
隨著電力工業建設的迅速發展，鋼材的用量急劇增長，為此，國家計委，原水電部和能源部一再強調在輸變電工程建設中，應從嚴掌握自立式鐵塔的建設。然而，一般的鋼筋混凝土電桿或與預應力混凝土電桿，較普遍地存在著縱向裂縫問題，嚴重影響了高壓輸電線路的安全運行及其使用壽命，已不能適應高壓輸電桿塔和變電構架的要求。Splitting analysis and precaution measures of cement pre - made parts
混凝土預製件的裂縫分析及防治措施Cracking is almost completely avoided in prestressed concrete.
預應力混凝土幾乎可以完全避免出現裂縫。Analysis of effect of precrack in roller compacted concrete gravity dam
整體式碾壓混凝土重力壩預裂縫的效應與分析分享友人