拱管 的英文怎麼說
中文拼音 [gǒngguǎn]
拱管
英文
arch tube-
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This paper presents the structural design of the main bridge of lhasa river bridge, makes a deep - going study of the key techniques for design of the bridge, such as the reasonable span length ratio of each span of the 5 - span girder and arch hybrid structure, mechanical behaviour of the dual arch ribs, and section of the continuous girder tie beam, and also works out rigidity and stress conditions of the continuous girder tie beam and stress conditions of the concrete - filled steel tube arches of the main bridge
摘要介紹了拉薩河特大橋主橋結構設計情況,對於五跨梁拱組合橋梁各孔跨合理的跨度比、疊拱的受力行為及連續梁系桿截面形式等設計中的關鍵性問題進行了深入的研究,給出了主橋連續梁系桿的剛度和應力情況、鋼管混凝土拱的應力情況。Air cannon block clearer is a special device used to prevent and remove the material blast and block of all kinds of bunker, hopper, cement preheating furnace, pipeline y section and mine drawshaft and drawslope
空氣炮清堵器是防止和消除各類型料倉,料斗、水泥預熱器窯和管道分叉處及礦山溜井、溜坡的物料起拱,粘倉閉塞等現象的專用裝置。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Csfb and ssb engaged in inappropriate spinning of " hot " initial public offering allocations in violation of sro rules requiring adherence to high business standards and just and equitable principles of trade, and the firms books and records relating to certain transactions violated the broker - dealer record - keeping provisions of section 17 of the securities exchange act of 1934 and sro rules nyse rule 440 and nasd rule 3110
面對空中客車公司的激烈競爭,波音與麥道的合併有利於維護美國的航空工業大國地位其次,盡管美國只有波音公司一家干線民用飛機製造企業,但由於存在來自勢均力敵的歐洲空中客車的競爭,波音公司不可能在開放的美國和世界市場上形成絕對壟斷地位。如果波音濫用市場地位提高價格,就相當于把市場拱手讓給空中客車。The thirty - four species of the sea urchins belong to 7 order, 17 families and 28 genera. the following is the name list, those with an asterisk are the species recorded for the first time in china. order cidaroida family cidaridae * goniocidaris biserialis ( d6derlein ) * stylocidaris bracteata ( a. agassiz ) * stylocidaris ryukyuensis shigei * stereocidaris indica philippinensis mortensen * rhopalocidaris gracilis doderlein order lepidocentroida family echinothuridae * phormosoma bursarium ( a. agassiz ) araeosoma owstoni mortensen asthenosoma ijimai yoshiwara order stirodonta family phymosomatidae glyptocidaris crenularis a. agassiz family arbaciidae * coelopleurus maculata a. agassiz et h. l. clark * coelopleurus undulatus mortensen order aulodonta family diadematidae chaetodiademajaponicum mortensen family pedinidae * caenopedina mirabilis ( d6derlein ) order camarodonta family temnopledridae temnopleurus hardwickii ( gray ) temnopleurus toreumaticus ( leske ) temnopleurus reevesii ( gray ) temnopleurus apodus ( a. agassiz et h. l. clark ) temnotrema sculptum ( a. agassiz ) temnotrema reticulatum mortensen * microcyphus olivaceus ( d6derlein ) * prionechinus forbesianus ( a. agassiz ) family strongylocentrotidae strongylocentrotus nudus ( a. agassiz ) hemicentrotus pulcherrimus ( a. agassiz ) family echinometridae anthocidaris crassispina ( a. agassiz ) order clypeasteroida family clypeasteridae clypeaster virescens doderlein family laganidae * peronellapellucida d5derlein family scutellidae * scaphechinus mirabilis a. agassiz sinaechinocyamus planus liao family fibulariidae fibularia acuta yoshiwara order spatangoida family loveniidae - lovenia triforis koehler echinocardium cordatum ( pennant ) family schizasteridae schizaster lacunosus ( linnaeus ) family brissidae * gymnopataqus magnus ( a. agassiz & h. l. clark ) family spatangidae * spatangus luetkeni a. agassiz among the species reported, the following species call for notes or simple descriptions
本文根據th . mortensen ( 1928 - 1955 )海膽專著( amonographoftheechinoidea )中的主要分類依據,將海膽綱分為8個目: 1 )頭帕目( cidaroidea )有齒器,圍肛部在頂系內,圍口部有步帶板和間步帶板,大棘很大,有外皮層,無球棘; 2 )鱗棘目( lepidocentroida )有齒器,圍肛部在頂系內,圍口部僅有步帶板,大棘不很大,無外皮層,有球棘; 3 )脊齒目( stirodonta )有齒器,圍肛部在頂系內,齒器的齒有脊,橈骨片在齒上方不相接,顎孔開放; 4 )管齒目( aulodonta )齒器的齒無脊,圍肛部在頂系內; 5 )拱齒目( camarodonta )有齒器,圍肛部在頂系內,齒器的齒有脊,橈骨片在齒上方相接,顎孔封閉; 6 )全雕目( holectypoida )有齒器,但不發達或完全被吸收,圍肛部在頂系外,步帶不形成瓣狀和葉鰓; 7 ) ?形目( clypeasteroida )齒器發達,圍肛部在頂系外,步帶形成瓣狀,無葉鰓; 8 )蝟團目( spatangoida )無齒器,圍肛部在頂系外,葉鰓發達,步帶形成瓣狀。By emptying the above mentioned theoris and conclusions, this paper introduces detailedly the whole process of the compare and selection of cangzhou city gongrong road canal bridge ' s plan, design calculation and check of structure. the internal force calculation of the bridge adopts the program of plane member system ( bricas ), and it was checked by the program of brcad
本文最後應用上述理論和結論,以大量篇幅詳細介紹了滄州市光榮路運河橋(下承式鋼管混凝土系桿拱橋)從方案比選到結構設計和計算、驗算的全部過程,以及施工中的要點,本橋內力計算採用平面桿系有限元計算程序, (交通部公規院的《橋梁設計綜合計算程序》 ( bricas4 . 0 ) ) ,並採用空間有限元程序( brcad2 . 0 )進行驗算。In chapter four, on the bases of the analyzing of the theory of concrete creep, a program for creep analysis of cfst arch bridge is compiled, the program results are compared with the experimental data, which proved the programming procedure is correct and finding some creep rules of cfst
第四章在論述混凝土的徐變理論基礎上,推導出了鋼管混凝土徐變應變的理論計算公式,並編制了鋼管混凝土拱橋徐變分析的程序,將徐變試驗觀測結果和程序計算值進行對比分析,得出鋼管混凝土徐變的一些基本規律。The software ansys6. 0 is used to analysis the stability of the state after construction of tongwamen bridge, linear method is used in analyzing the finite element model of the bridge, the coeffient of stability of different state after construction is given. on the basis, the effect of different factors such as the arrangement of lateral brace, the sloping angle of arch ribs, the stiffness of bridge deck system, the effect of non - orientedly conservative loadings of the hanger and tie bar etc is discussed. the different coefficients of stability of changing these factors are given, so the factors that are vital to the lateral stability of x - type arches are found, and the rationality of the methods taken to enhance the lateral stability of tongwamen bridge is evaluated
本文應用有限元分析商業軟體ansys6 . 0 ,採用線彈性方法,通過對該橋的空間有限元模型進行穩定性分析,得出其成橋運營階段各種工況下的穩定安全系數。在此基礎上,本文還通過有限元模型分析,就拱的矢跨比、吊桿(立柱)的非保向力效應、橋面系的剛度、橫撐布置形式、拱肋側傾角等因素對該橋整體穩定性的影響展開探討與研究。文中給出了各因素變化情況下的穩定安全系數,指出了對鋼管混凝土提籃拱橫向穩定性有顯著影響的因素及其合理變化范圍,並對銅瓦門大橋提高橫向穩定性的措施的經濟合理性進行了分析。Presently, cfst arch bridges develop in the direction of large - span and lightweight style, accordingly, investigators and devisers should increasingly attach more importance to their dynamic behaviour, and some typical dynamic matter of bridges, such as seismic response, wind induced vibration, coupled dynamic vibration between bridge and vehicle should not be ignored
目前,鋼管混凝土拱橋正朝大跨、輕型的方向發展,因此,該類型橋梁的動力特性也日益引起重視,象地震、風振、車振等橋梁的典型動力問題也是該類橋梁所無法迴避的。But gruen ' s secret was the way he used arcades and eye - level display cases to lure customers into stores almost against their will
格倫的秘訣就是用多個拱廊和平視展示櫃把消費者引誘到商店中,盡管這幾乎違背顧客的意願。分享友人