管拱 的英文怎麼說
中文拼音 [guǎngǒng]
管拱
英文
pipeline overhead lifting-
Design of half - through steel pipe bowstring concrete arch bridge of long - span, and knowledges to it
大跨度中承式鋼管系桿混凝土拱橋設計和體會The results indicate that fiber grating strain sensors are able to monitor the tension status about reinforced concrete bowstring arch bridge effectively
應用結果表明：光纖光柵測力傳感器可有效監測鋼管混凝土系桿拱橋系桿的受力狀況。The calculation modes of the coefficient of shrinkage and creep of the bulgy core concrete in steel tube are discussed. based on a few reasonable hypotheses and the stress - strain relation of concrete acquired by the " adjusting valid modulus depending on load time " method, a compact formula is reasoned out, which is applied to calculate the equivalent elastic modulus of the bulgy core concrete considering the affection of shrinkage and creep. so, the analysis of the affection on cfst arch bridge by shrinkage and creep can be progressed by pole - girder fem, further more, the analysis precision is quite high
本文還對核心膨脹混凝土特殊的收縮、徐變系數計算模式展開了探討，在合理的假設前提下，採用「齡期調整的有效模量法」得到的混凝土的本構關系，推導出鋼管內核心混凝土在考慮徐變影響后的等效彈性模量計算公式，並以此為基礎採用桿系有限元方法來對鋼管混凝土拱橋進行較高精度的收縮徐變分析。Under the background of a long - span rigid - framed flexible cfst arch bridge, the catholicity method to compute the ultimate capacity is brought forward
以某大跨度剛性梁柔性鋼管硅拱橋為例，總結了具有較普遍意義的大跨度橋梁極限承載力計算方法。The measures against coal arch camber in planomural coal bin and coal drop pipe are proposed by analyzing practical cases
通過實例分析，提出了解決煤倉及落煤管落煤起拱的措施。The influencing factors of coal arch camber in planomural coal bin and coal drop pipe with rectangular or circular cross section during coal drop are studied theoretically
摘要對落煤過程中平壁煤倉及截面形狀分別為矩形、圓形的落煤管起拱的影響因素進行理論研究。The cyclo - hoop effect which steel tubular has exert to the concrete shows the character of heterogeneous in the arch rib section, the same to the axial direction. the paper verifies the change of the material poisson ration and the concrete grade will make the cyclo - hoop effect obvious alteration, the change of the cyclo - hoop effect and the stress redistribution of the section produced by the shrinking and creeping of the concrete and the expensive concrete on the section
在鋼管混凝土拱肋斷面上，鋼管對內填混凝土的環箍效應具有非均勻性，在拱軸方向上環箍效應也呈現非均勻性。驗證了材料的橫向變形系數、混凝土標號等參數的變化將引起環箍效應的明顯改變；混凝土的收縮、徐變和膨脹混凝土的應用導致鋼管混凝土的環箍效應發生變化並使截面的應力發生重分佈；並總結了其變化的基本規律。Standard practice for structural design of corrugated aluminum pipe, pipe - arches, and arches for culverts, storm sewers, and other buried conduits
涵洞排水和其它地下管道用波紋鋁管管拱和拱結構設計的標準實施規程Calculation of the temporary stays in the erection of steel tube arch ribs by suspender method
某鋼管混凝土拱橋拱肋懸索吊裝施工中的扣索計算Construction technique of pressure filling concrete to still pipe inner arch of 75m span tie bar arch bridge
系桿拱橋鋼管拱內混凝土的壓注施工工藝研究Dimension testing method of prepared rib - like arch with box section
箱肋拱及鋼管拱預製件線形質量現場檢定方法Then, a thorough discussion and sum ? p about the main construction process of cfst tied ? rch bridge without wind bracing is presented in the paper in association with the construction practice of the bridge. in addition, the author put emphasis on the static calculation of two point integral hoisting construction method in single cfst arch rib. futhermore, the stabilization of arch rib in construction and service stage are analyzed detailedly
本文結合該大橋的施工實踐，對無風撐鋼管混凝土系桿拱橋的主要工藝施工流程進行了全面論述和總結，並重點對單片鋼管拱肋兩點整體吊裝的結構受力進行了靜力計算及對拱肋在施工和運營階段的穩定進行了分析。Standard specification for corrugated aluminum alloy structural plate for field - bolted pipe, pipe - arches, and arches
現場栓接管管拱和拱用波紋鋁合金結構板的標準規范Standard specification for corrugated steel structural plate, zinc - coated, for field - bolted pipe, pipe - arches, and arches
現場栓接管管拱和拱用鍍鋅波紋鋼結構板材的標準規范Standard practice for structural design of corrugated steel pipe, pipe - arches, and arches for storm and sanitary sewers and other buried applications
雨水衛生污水和其它地下設施用波紋鋼管管拱和拱的結構設計標準實施規范With reference to the 3rd jianghan bridge in wuhan, qingganhe river bridge in zigui, hubei and meixihe river bridge in fengjie, this paper describes the design requirements for mix proportioning of pumped concrete for arch bridges of concrete - filled steel pipes, selection of all kinds of materials, compatibility tests and determination of both laboratory and construction mix proportioning
摘要以武漢江漢三橋、湖北秭歸青干河大橋、奉節梅溪河大橋為例，介紹鋼管拱泵送混凝土配合比的設計要求，各種原材料的選擇及相容性試驗，試驗室配合比和施工配合比的確定。Abstract : for building a long - span concrete - filled steel - tube ( cfst ) arch bridge with an integrated installation tower, one of the key technologies is to control the arch rib alignment of the bridge. based on the theoretical analysis and the measuring results, the designed arch rib alignment of a being built bridge can be guaranteed quality by adjusting the length of the cables on - line. the engineering application shows, by using the on - line adjusting cable technology, that it is economical and in safety for building a long - span cfst arch bridge
文摘:在大跨度鋼管混凝土拱橋塔架/扣架一體化纜索吊裝施工中，其關鍵技術之一是主拱線形控制.在理論分析和現場測試的基礎上，動態調整扣索長度，可保證鋼管拱肋的設計線形.工程實踐表明：將扣索動態調整技術應用於大跨度鋼管混凝土拱橋的吊裝施工中，可降低工程造價，保證施工質量Rib - hoisting of the long - span cfst arch bridge is very complex. in order that the finished state of structure meets the design requirement it is necessary to study the method of buckle - cable adjusted and determine reasonable finished state
大跨度鋼管拱橋的拱肋吊裝過程是一個復雜的過程，為了保證最終的成橋狀態滿足設計要求，考慮扣索索長的調整方法，確定出施工各階段的合理狀態是很有必要的。This paper presents the welding quality control measures and welding methods prepared in accordance with the working time, site conditions and elements of the steel tube arches of lhasa river bridge, and also describes in details the procedure control, methods and criteria for inspection and acceptance of the welding operation
摘要介紹拉薩河特大橋鋼管拱焊接質量控制措施，因時因地因件制定焊接方法，強調焊接的過程式控制制、檢驗和驗收的方法、標準。In this paper improved genetic algorithm is combined with computation of buckle - cable adjusted. and the genetic optimization model based on real number encoding is introduced. in the established model, rank - based fitness assignment selection and dynamic penalty strategy are introduced to handling restriction problems
本文針對大跨度鋼管拱橋合理成橋狀態的確定和扣索索長調整問題，將改進的遺傳演算法嵌入到拱肋吊裝的結構計算中，採用實數編碼技術，引入了基於排序的適應度分配選擇方式，將動態罰函數法應用於處理有約束的最優化問題。分享友人