box beam 中文意思是什麼

box beam 解釋
盒形梁
  • box : n 1 箱，櫃，匣，盒；罩殼；錢櫃；〈美口〉保險箱；郵箱，信箱；〈英國〉禮盒；禮物（旅行用）衣箱。2 ...
  • beam : n 1 梁，棟梁，桁條；（船的）橫梁。2 船幅；（動物、人的）體幅。3 （秤）桿，杠桿，（織機的）卷軸，...
  1. Experimental study on stress property of box beam using grc abnormity internal mold

    鋼筋各4根進行拉伸試驗和9個150
  2. Comparing the results of one irregular box beam obtained by the gridiron method to that by fem, the characteristics of the application scope, merits and drawbacks of the gridiron method are convinced. it is shown that the gridiron method underestimates the results in contrast to fem when analyzing irregular box beams

    對上德立交橋中的一聯異形箱梁通過不同的方法以及試驗進行分析和計算，詳細地說明了異形箱梁設計中常常使用的梁格法的適用情況和實際的效果。
  3. The box beam ' s temperature stress of longitudinal direction and transverse direction with different conformation are analyzed, it finds that there is largish temperature tensile stress in the bottom of top deck and the haunch of box beam increase temperature tensile stress in the bottom of top deck. the paper makes a study of different thermal effects resulted from several kinds of closed rigid frame

    根據大量實測溫度場結果建議採用一個有利於理論推導的指數函數的公式來擬和箱梁體內的溫差分佈，既貼近實測數值，計算又比較簡單；通過對空腹式剛架拱橋尤溪洲大橋所在地夏季、秋季、冬季的溫度場及溫度應力的實測，以及與本文所提出計算方法的理論解進行的分析比較，證實了本文計算方法的正確，同時改進了已往混凝土箱梁溫度自應力的計算方法。
  4. The optimum analysis in designing a steel box beam

    鋼結構箱形梁橋結構尺寸優化分析
  5. Static experiment for double - track box beam

    雙線箱梁靜載試驗研究
  6. Analysis of shear lag effect of great cantilever steel box beam

    大懸臂鋼脊骨梁結構模型剪力滯效應探討
  7. Observation and control of settlement of light rail continuous box beam

    輕軌連續箱梁沉降觀測及控制技術
  8. Construction of cast - in - place box beam of dongshengbei interchange bridge

    東勝北互通立交匝道橋現澆箱梁施工
  9. Crack analysis and assessment of a pc continuous rigid frame box beam bridge

    大跨徑連續剛構箱梁剪力滯效應分析
  10. In the railroad oblique continual box beam bridge design key question studies

    鐵路斜交連續箱梁橋設計中的關鍵問題研究
  11. The techniques for controlling the cracks on the leveling course of the composite box beam

    組合箱梁調平層裂縫防治技術
  12. A great amount of post tensioned pre - stressing concrete single box beam for double track ( as called the box beam hereinafter ) has been used on the line. it is of infeasibility in adoption of the traditional practice of pre - fabrication in precast factory and erection of the box beam with the track laying machine for that this type of beam is characterized by new structure, complicated workmanship, large volume and difficulty in transportation. therefore, the key and hardest problem to tackle is that what processing should be adopted to precast the box beam on site and that what kind of machinery should be used to transport and erect the box beam

    由於該型梁具有結構新、工藝復雜、體積大、運輸困難，將常規鐵路的橋梁廠製造橋梁、經過鐵路運梁到工地、邊鋪邊架進行橋梁製造與架設的傳統施工模式應用到該線是行不通的，必須在現場預制橋梁、並採用專門的運架梁設備進行橋梁架設，因此箱梁的製造、架設施工成為該線施工技術攻關的重點和難點。
  13. Analysis of shear lag effect of long - span continuous rigid - frame box - beam bridges

    輕質高強混凝土在連續剛構橋中的應用分析
  14. The main suspension gallows consist of a steel box beam, sitting on hydraulic jacks that support all the structure during concreting

    主吊架有一鋼箱梁組成，坐落在液壓千斤頂上，在澆注混凝土過程中支撐所有結構。
  15. 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。
  16. Safety fences and barriers for highways - specification for open box beam safety fence single height

    公路的安全欄桿和護柵.開口箱形梁安全欄桿
  17. Safety fences and barriers for highways - specification for components for open box beam safety fence double height

    公路的安全欄桿和護柵.開口箱形梁安全欄桿
  18. This paper also makes brief description of the technical specifications, mechanical structure, major features of the italian beam transporting and erecting machine with type of nicola yj - 550, which was introduced firstly in china and chosen carefully in combination with the site conditions. the future beam erection and relevant design and construction can find the reference from description of this paper in terms of erection process for box beam, working efficiency of the italian beam transporting and erecting machine with type of nicola yj - 550, issues and revelations concerning about box beam erection, special beam erection method to avoid three legs supporting

    採用義大利nicolayj - 550型運架梁一體機進行箱梁架設是結合現場實際開展技術攻關、精心選定的施工方法，該型架橋機為國內首次引進，文中就其技術參數、組成結構、主要特點進行了簡要介紹；文中闡述的箱梁架設施工工序、運架梁一體機的作業效益、架梁施工應注意的問題及啟示、架梁施工克服「三條腿」的方法等均可作為今後箱梁架設及與箱梁架設相關的設計、施工工作的參考。
  19. Considering the past research results, frost resistance of concrete using portland cement, and the designed service life of 100 years of testing bridge, the control indexes of high durability concrete are defined in this paper. mixture proportion of concrete used in pier column, coping, precast box beam and plate of bridge is designed based on the compact pile theory, and construction technique is studied also

    結合課題組以往的研究成果，根據試驗橋設計使用壽命100年的要求，確定出高耐久性混凝土的設計控制指標，基於最緊密堆積原理和最佳漿骨比原理對橋梁的墩柱、蓋梁、預制箱梁和橋面板用高耐久性混凝土的配合比進行設計，並對其施工應用技術進行了研究。
  20. Monitoring and research scheme for a continuous composite box beam bridge with construction by stages

    分階段施工合成連續箱梁橋的監測研究方案
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