墩河 的英文怎麼說

中文拼音 [dūn]
墩河 英文
song duong
  • : Ⅰ名詞1. (土堆) mound 2. (墩子) a block of stone or wood Ⅱ量詞(用於叢生的或幾棵合在一起的植物) cluster
  • : 1 (天然的和人工的大水道) river 2 (指銀河系) the milky way system; the galaxy 3 (特指黃河) t...
  1. And results are : ( 1 ) analyze the force and distortion on pipeline under collapse and gulch in theory. on the base of beam deformation, analyze the bending moment and deformation of pipeline with frusta and without frusta. calculate a true problem, contrast the differences between pipeline with frusta and one without frusta, draw some conclusions

    得到的主要結果為: ( 1 )基於彈性地基理論和彈性梁的撓曲線理論,給出了管道在固定(相當跨越溝情況)和無固定(相當坍塌和沖溝情況)的變形微分方程,並分析了當量軸力為拉力或壓力時管道的變形和受力情況。
  2. Most road bridges have piers rising out of the valley.

    很多公路橋的橋是從谷里建造起來的。
  3. What ' s more, we put forward some experienced formulas on the basis of the cortical analysis. the result of the research show that by installing diffluent piers with low ridge, we can eliminate the root of oscillatiny water jump, perfect the energy dissipation effect of water jump, also, we can improve the flow condition of down - stream. the fact that the main flow of down - stream is in the middle, not only effectively lower the speed of the bottom flow in the ridge rear, alleviate the erosion to the river bed, but also avoid the heavy wave resulted from the main flow in the surface, thus improve the surface wave of down - stream obviously. we can work out the body style parameters of diffluent piers with low ridge according to the project flow condition and experience formulas, and then reckon the down - stream surface wave condition for the protected building of the down - stream bank

    研究結果表明:設置低坎分流后,消除了擺動水躍水舌擺動的根源,提高了水躍的消能效果,改善了下游水流流態。下游水體的主流在中部,既有效的降低了坎后水流底流速,減輕水流對床的沖刷,又避免了主流位於表面導致波浪過大的結果,下游的水面波浪明顯得到削減。依據經驗公式,可根據工程水流條件設計出低坎分流的體型參數,進而估算出下游沿程的水面波浪,為下游岸邊的砌護提供依據。
  4. On the contents of two sides abovementined, this paper attempts to do some initial researches from three angles as follows : 1, the analyses of anti - seismic features on longitudinal direction of the aqueduct l ) the seismic longitudinal effects are small. the vibrant characters are decided from the structure integration and rigidness of piers and main arch - ring of the aqueduct, so the following measures should be taken in order to weaken and isolate seismic influence : properly broadening the section sizes and adopting the high class concrete, lowering the height and barycenter of building, setting hoop steel bars so as to increase the plasticity of the concrete which can absorb the seismic energy and prevent the damages due to stress centralization on the linkages and changing place

    本文試圖就上述的這兩大方面的內容,從以下三個角度進行了初步研究: 1 、縱槽向抗震性能分析1 )湯峪吊桿拱支承結構的縱槽向地震效應較小;吊桿式拱架結構動力特性取決于槽和主拱圈的剛度,以及結構的整體性,故適當加大構件截面尺寸或提高砼標號,盡量降低結構的建築高度和重心,在構件連接和變截面處增設梗脅,按照約束混凝土的要求來加強箍筋的配置,增加砼的延性,以克服地震時構件連接和變截面處的應力集中造成的坡壞,並吸收大量的地震能量,從而起到隔震,減震的效果。
  5. Reliability assessment of xi - luo - du underground water - power plant : the results have been used by the cheng - du surveying, design and research institute for the preliminary design ; ( 2 ) the stress and strain analysis for the xiao - guan - zi sluice and its foundation : the report has been applied for the reinforcement of the foundation ; ( 3 ) the thermal control procedure for the no. 7 - 14 power plant dam segments of the three gorge project : the research report provides the effective and efficient methods for the controlling of the temperature field in the mass concrete structure ; ( 4 ) the software system development for the long - term monitoring for dikes : the software can automatically give the results of the seepage field and the probability of soil piping of dikes and underground ; ( 5 ) reliability assessment of xiang - jia - ba underground water - power plant : the results have been used by the zhong - nan surveying, design and research institute for the preliminary design ; ( 6 ) fatigue reliability estimation of shipping berthing pillar : the results give the optimized design scheme and prediction of the structural age ; ( 7 ) 3 - d static and dynamic stochastic finite element analysis for the strength, stability and thermal control problem for xi - luo - du project

    溪洛渡水電站超大型地下洞室群圍巖穩定的安全可靠性分析:被成都勘測設計研究院應用於比選報告及可行性論證中; ( 2 )小關子水電站攔閘壩及地基的應力應變分析:被成都勘測設計研究院應用於地基加固處理方案; ( 3 )三峽廠房7 # - 14 #壩段溫控並縫措施研究:為廠房壩段並縫方案的可行性提供了依據; ( 4 )堤防工程體系的長期監控預報預警決策系統開發:為監控、預測預報堤防滲漏管涌破壞提供分析軟體; ( 5 )向家壩地下洞室群圍巖穩定的安全可靠性分析:被中南勘測設計研究院應用於初步設計方案中; ( 6 )靠船的疲勞可靠度研究:為廣東航運規劃設計院的靠船優化設計和加固提供依據; ( 7 )溪洛渡高拱壩壩體壩基(壩肩)強度和穩定的三維靜動力隨機有限元分析及可靠度計算:為溪洛渡重大工程壩體的靜動力安全穩定性及溫控方案提供依據。
  6. According to the result of physical modeling, the regression equation about the decrement of tidal bore height, the percentage of water - resisting area and the distance away from the upstream bridge site is constructed in this paper, the regression equation can be applied in the impact which bridge has on the tidal bore height in qiangtang esturary

    根據模型試驗結果,建立了涌潮高度的減小值與中潮位橋阻水面積百分比和上游離橋址距離的多元回歸方程,可供錢塘江口建橋對涌潮高度的影響計算參考使用。
  7. In which, it gives inquiring of the construction of deep - water foundations and the usage of floating crane. the construction program of bridge pier foundation will be fixed according to the water depth. if the water depth is less than 4m, pier foundation will adopt the method of building island by earth filling ; if the water depth is more than 4m and there is over burden at river bed, at the same time, it has sufficient bearing capacity to load steel pipe pile, the steel pipe pile platform will be adopted

    其中,對深水基礎的施工及浮吊的使用進行了探討,根據水深確定橋基礎的施工方法,對水深不超過四米的橋基礎,採用填土築島的方法:對水深大於四米,床有覆蓋層,且能保證鋼管樁具有足夠的承載力的橋,採用鋼管樁平臺;對主道上床沒有覆蓋層,鋼管樁無法插打的橋,採用浮式平臺。
  8. Slipform construction of songshan spillway weir gate pier on songjianghe river

    松江松山溢洪道工程堰首閘滑模施工
  9. After the vibration test and analysis on the chuhe bridge, we drafted to reinforce the bridge ' s double - pillar type light buttresses. we accomplished the testing buttresse reinforcement while under the premises of without railroad break - off. it outlined one of the optical methods to reinforcing the double - pillar buttresses of the whole bridge

    通過對滁特大橋的振動測試分析,確定了該橋雙柱式輕型橋的加固方案,並針對在不中斷行車的前提下,研究制定了加固施工工藝,高質量地完成了試驗橋的加固工作,為全橋其他雙柱式橋的加固提供了可供選擇的優良方案。
  10. Based on the urgent need that pier protective device primarily designed needed to be tested its crashworthiness by the impact of ship in multi - situation, etc in multi - angle and multi - water, the writer analyzed the critical elements that affect the simulation of the collision between ship and pier protective device, and found the feasible way to deal with the conflict between calculation efficiency and precision. using this method and employing ansys / ls - dyna program, which is the universal nonlinear dynamic analysis software, a head - on collision between ship and pier protective device designed for guanzhou river bridge is simulated and presented, the simulation of time history course of full - scale mini - collision between ship and pier protective device was taken into reality with a spot of elements ( less than 21000 ) and scanty time ( 9 hours on p4 pc )

    本文在前人研究的基礎之上,結合船橋碰撞實例,對碰撞計算機模擬模擬的關鍵技術進行了研究,在效率與精度的矛盾中找到平衡,對一艘2000噸級散貨船橫橋向正撞廣東管洲大橋橋防撞鋼套箱這一種工況進行了計算機模擬模擬,實現了以較小的單元和較短的時間模擬碰撞的時間歷程,模擬滿足工程精度要求,解決了目前碰撞模擬計算周期太長的問題,同時模擬模擬得到的結論對該類防撞裝置提供了有價值的參考。
  11. The damming caused by a bridge pier is one of the aspects considered intentionly while building a bridge on a river which flood control standard is low and flood control cost is high so the study of damming is of important value

    壅水是在防洪標準低、防洪費用高的平原道上修建橋梁時必須重點考慮的問題之一,其研究具有重要價值。
  12. The paper also introduced the applied situation of the actual projects about the t type barrier stilling basin through the helong reservoir spillway ' s hydraulic model experiment

    本文還通過龍水庫溢洪道水工整體模型試檢,描述了t形消力池在實際工程中的應用情況。
  13. The result show that the position of free surface is higher because of frusta of brake, especial obvious in the head of frusta of brake ; flux coefficient and pressure on dam are quite influenced by type of frusta and 3 a type frusta of brake relative to 2 type frusta of brake has bigger flux coefficient and smaller pressure on dam ; obvious influence of ability of discharge flow for different ratio of thickness of frusta and breadth of brake and pressure on dam reduces with increasing ration of thickness of frusta and breadth of brake, while bigger flux coefficient is obtained when tlb = 0. 2

    結果表明,閘墩河海大學博士論文的存在抬高了水面線的位置,其中在閘頭部尤其明顯;型對流量系數和壩面壓力影響較大, 3a型閘相對於2型閘具有更大的流量系數和更小的壩面壓力:不同的厚閘寬比t / b對泄流能力也將產生顯著的影響,隨著厚閘寬比的增加,壩面壓力降低,而當t / b二0 . 2時溢流壩具有更大的流量系數。
  14. Borehole completion process of rock socketed piles for the piers of yongding river no. 2 bridge

    永定2號大橋橋嵌巖樁成孔工藝
  15. Answer : according to ranking regulation, to the disease of bridge sui, wadi foundation of stage of change, mound erodes adjustable adjuster undertakes circumstance and rail fixed observation, fill in " adjustable adjuster observation records rail book "

    答:按照上級規定,對橋隧的病害、道變化、臺基礎沖刷情況及鋼軌伸縮調節器進行定期觀測,填寫《鋼軌伸縮調節器觀測記錄簿》 。
  16. Introduced by prestressed pier in the gate of spillway in xiao xia hydroelectric power station, the text reasonably established 3 - d finite elements mechanic model by the advanced finite elements popular in the world which can expediently impose tension of anchor funicular at its place. it also considered possible diversified combination of loading, and indicated that the effect of its prestressed action is fruitful compared with its conventional counterpart by study of mechanic calculation in comparison. as a result, it vastly improved burdening state of pier. by analysis of 3 - d finite element method, it also gained the stress result indifferent boundary conditions such as breast wall joint support and fixed support, and the displacement result in diversified loading combination. those results gained the instructive and reference value in design of prestressed pier

    本文結合黃小峽水電站泄洪閘預應力閘這一工程實踐,採用國際上已成熟的有限元方法,合理地建立了預應力閘的三維有限元模型,該模型可方便地按預應力錨索的點位施加錨索預張拉力,考慮了可能發生的多種荷載工況組合,並與無預應力閘結構進行了對比分析研究,指出其預應力效果是明顯的,可以大大改善閘結構的受力狀態,通過三維有限元分析,還得到了胸墻簡支、固端不同情況下的應力成果和各荷載下的位移成果,這些成果的取得對預應力閘的設計具有一定的指導和參考價值。
  17. In the light of the low - lying pile cap foundations designed for main piers no. 2 and no. 3 of tianluo bridge on wenzhou - fuzhou railway. this paper describes the ways to resolve the construction problems of the foundations in deep water in sea and at seabed that is steep and without overburden, using the construction techniques of underwater rock blasting, steel cofferdam floating, positioning, bottom sealing and manual pile digging

    摘要針對溫福鐵路田螺大橋2號、 3號主設計上採用低樁承臺基礎情況,介紹運用水下巖石爆破,浮運鋼圍堰就位、封底、人工挖孔樁等施工技術解決海上深水、床陡峭且無覆蓋層的基礎施工難題。
  18. The new construction technique applied to the huge steel boxed cofferdam for foundation of pylon pier no. 2 of wuhan tianxingzhou changjiang river rail - cum - road bridge was to fabricate the cofferdam in integrity in workshop, shift it down to river and float it to the pier site where it is then accurately positioned by pre - tensioning at the anchor pier

    摘要武漢天興洲公鐵兩用長江大橋2號主塔基礎大型鋼吊箱圍堰採用工廠整體製造,下浮運至位,利用錨施加預拉力精確定位的施工新工藝。
  19. The local current disturbance after bridge being built in qiantang estuary leads to correspond changes of riverbed near bridge. but there is not any impact on astronomical tide, runoff large - scaled river shape and riverbed after bridge being built. so it does n ' t change the formation of tidal bore at all after bridge being built, but there is some impact on the shape and intensity of tidal bore because of pier resistance

    在錢塘江口建橋將引起局部水流的擾動及近區床的相應變化,但不會對天文潮、徑流及大范圍勢、床產生影響,因而,建橋不會從根本上改變涌潮的產生,但橋阻力對涌潮形態和強度是有影響的。
  20. This paper mainly makes the research of construction method for cast - in - situ concrete box girder of continuous girder bridge, using assembled highway bridge steel truss ( often known as bailey truss ) as the falsework, technical schemes for the falsework erected over river, particularly the rigid slant supports of the falsework on piers, and analysis, calculation methods and deformation of the falsework in accordance with the related tests in field

    摘要主要研究了採用裝配式公路鋼橋桁架(通常稱為貝雷架)做為支架進行連續梁橋現澆箱梁混凝土的施工方法;研究了跨施工支架的技術方案,特別是施工支架在橋上的剛性斜撐,同時結合現場試驗研究了施工支架的分析計算方法及變形。
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