field concrete 中文意思是什麼

field concrete 解釋
現拌混凝土
  • field : n 菲爾德〈姓氏〉。n 1 原野,曠野;(海、空、冰雪等的)茫茫一片。2 田地,牧場;割草場;〈pl 〉〈集...
  • concrete : adj 1 具體的,有形的;實在的,實際的。2 固結成的,混凝土製的。3 圖案詩歌的(參閱concrete poetry)...
  1. Concrete protect the steel against corrasion, for it provide the alkaline condition. carbonization is a key factor that makes alkalescence of concrete decrease, the high performance concrete is applied in engineering field increasingly with its good carbonization capability

    混凝土對鋼筋的保護作用是由於其提供了避免鋼筋產生銹蝕的堿性環境,而碳化作用是使混凝土堿性降低的重要因素之一。
  2. Hyperbola model of mgo - mixed concrete ' s autogeny deformation, especially deduce of the model ' s parameter and building process of the model are analyzed in detail. ( 2 ) calculating method of autogeny deformation and creep are discussed. based on these, timely - simulation theory of dam body ' s temperature field stress field and pre - process back - process method are mainly studied

    ( 2 )對mgo混凝土的自生體積變形及徐變變形的計算方法進行了探討,在此基礎上,重點研究了壩體溫度場和應力場實時模擬的原理以及前後處理方法。
  3. Recently, using solid clay brick is gradually prohibited, so the new wall material is required to fill up the new architecture. many sections research on this field, using fly ash to develop new building materials is the mostly adopted method, among the new building materials, fly ash foamed concrete is a noticeable one because of its outstanding merits such as light weight, heat preservation, sound insulation and good resisting earthquake. using fly ash to develop foamed concrete can not only become fly ash into resources, but also provide a new kind of building materials for the innovation of wall materials, which has good economy and society ben efits

    近年來,由於墻改「禁實」政策的實施,市場急需新的墻體材料來填補新建築所需,許多單位相繼開展了各有關研究,綜合利用粉煤灰研製開發新型建材逐漸成為了主流,其中多孔混凝土特別是粉煤灰發泡混凝土,正以它突出的輕質、保溫、隔音、抗震效果好等優點,成為一種引人注目的建築材料,利用工業固體廢棄物粉煤灰研製發泡混凝土不僅能實現粉煤灰的資源化,而且還可為墻體材料的改革提供一種新型建築材料,具有較好的經濟效益和社會效益。
  4. At the same time, it also illustrates the superiority of this kind of communication by introducing the profibus field bus. take the transformation of focke packaging machine as an example, the main content is as follows : 1st, to analyze the plc control system of s5 series, and determine the concrete functions that the new plc control system hopes to achieve as well as how to achieve the goal through studying the work program of the original one ; 2nd, to demonstrate the advantage of the field bus in the process of digital alternation by introducing the principle agreement of field bus profibus ; 3rd, to achieve each function of the original control system through using siemens ' s plc control system in the design of hardware and step 7 in the software as well as designing and compiling control system of focke packaging machine ; 4th, to use fm455 for controlling temperature not only can meet the system ’ s severe request for temperature and efficiently avoid many demerits of the temperature control instrument but also can bring convenience for operation and maintenance ; 5th, to use the intouch configuration software to compile monitor and control program can accomplish the goal for real - time surveillance and control of the production line, while setting some parameters can provide a powerful alarming function

    以改造focke包裝機為例,主要內容如下: 1 、通過熟悉原有控制系統的工作流程,分析了原s5系列可編程邏輯控制器的控制系統,確定新的可編程邏輯控制器控制系統需要實現的具體功能以及其實現方法; 2 、在本系統數據交互中,通過介紹profibus現場總線原理協議,論述了現場總線在工業通訊中的優點; 3 、下位機硬體設計上使用西門子可編程邏輯控制器控制系統,軟體平臺採用西門子step7 ,設計和編制了focke包裝機控制軟體,實現了原有控制系統的各項功能; 4 、本系統對溫度要求嚴格,採用溫控儀表控制溫度不能滿足系統要求,而且溫控儀表操作和維護都不方便,因此採用fm455溫度控制模塊進行溫度控制,滿足了系統對溫度的要求,同時又有效地避免了溫控儀表在操作和維護上的缺陷; 5 、在監控系統上,使用intouch組態軟體設計了系統的監控界面,從而實現了對生產線的實時監控,並且可以通過界面設置系統的一些參數,同時提供了較強大的報警功能。
  5. Then we show an algorithm design of the elliptic curve crypto based on galois field. as a main part, the design theory and concrete solution of it are presented step by step, ic chip design method for implementation of the algorithm is described in detail

    設計完成了一種基於有限域的橢圓曲線加密演算法,主要包括適合於168bit橢圓曲線加密的有限域乘法、加法、除法器的實現; 4
  6. But presently we have no concrete prescript in the field. this thesis is trying to solve this problem

    但目前國內尚無相關的具體規定,本文在這些方面做了初步的嘗試。
  7. In the paper, not only such factors as reinforcing steel bar, various placing temperature of concrete in case of lift placements, lift thickness, time interval between lifts, the variation of elastic modules of concrete, heat of hydration, the temperature changes of environment but the effect of creep deformation and autogenous volume change on the temperature field and thermal stress field of reinforced concrete face - slab are considered

    本論文在分析中,考慮了鋼筋、混凝土分層澆築、入倉溫度、澆築層厚、施工間歇、混凝土彈性模量變化、水化熱發散規律、外界氣溫等因素的變化及混凝土徐變和自生體積變形等因素對面板溫度場和溫度應力的影響。
  8. In this article, according to heat conduction theory, elastic creep theory and finite element theory, the temperature field and creep stress field in the arch dam during construction and operation are simulated and analyzed by means of three dimensional finite element relocating mesh method, and the distribution law of the temperature field and creep stress field in the arch dam during construction and operation are systematically studied, and according to the construction process of concrete arch dam, the effect of lamination placement, construction interval, elastic modulus change, thermal insulation change, surrounding temperature change, concrete creep and autogenous volume change on thermal stress in the arch dam are also considered

    論文根據熱傳導理論、彈性徐變理論及有限元理論,用三維有限元浮動網格法對拱壩施工期和運行期溫度場、徐變應力場進行了全過程模擬分析,較為系統的研究了混凝土拱壩施工期和運行期溫度場、徐變應力場的分佈規律,在分析中按照混凝土拱壩施工過程,考慮了混凝土分層澆築、施工間隙時間、彈模變化、絕熱溫升過程、環境溫度的變化、混凝土徐變、自生體積變形等因素對壩體溫度應力的影響。
  9. This paper establishes a model simulating dam actual placing process and considering the non - continuity of initial temperature on the boundary of new and old concrete, daily air temperature change, concrete - placing temperature, hydration heat, heat insulation on boundary, water - storing process, placing intermission and curing with water. the calculation of stress field considers the concrete weight, static water pressure, thermal stress, different autogenous volume change between rcc and normal concrete, change of elastic modulus of concrete with age and creep action

    考慮了乞今最為全面的初始條件和邊界條件,包括模擬壩體的實際升程過程,考慮了新老混凝土接觸面上的初始溫度不連續,逐日的氣溫變化,混凝土的入倉溫度,水化熱溫升,邊界保溫,水庫蓄水過程,澆築間歇以及灑水養生等因素;應力場的計算考慮了混凝土的自重,靜水壓力,溫度應力,常態混凝土與碾壓混凝土不同的自生體積變形,混凝土的彈性模量隨齡期的變化以及徐變的作用。
  10. Aim for the topic - study of prestressed lightweight concrete platform, from selecting style of the platform, to matching concrete material and admixture, to designing and building the model, to carrying out experiments of temperature field and stress performance, and analysis of finite element, some research work have been done as follows : 1

    本文針對「輕質高強預應力混凝土平臺的研究」這一課題,從罐體結構型式的確定,混凝土基本材料及外加劑的選配,模型的設計製作,到模型結構在各種外荷載及溫度荷載作用下的受力性能試驗研究及罐體結構的有限元分析,展開了如下幾個方面的研究: 1
  11. There is an old saying in our field - " no dam is not crackable ". the crack is mainly because of the bad dilation after " alkali - aggregate reaction ", the temperature traverse inside and outside the concrete with the happening of heat evolution and the shrink of volume due to the cooling of concrete

    水電行業有句「無壩不裂」的俗話,產生裂縫的原因主要有「堿集料反應」造成的破壞性膨脹,水泥水化過程中放出的熱量出現的混凝土內外溫度梯度和水泥石硬化後由於後期降溫發生的體積收縮等造成。
  12. A 3 - d simulative calculation program concerning temperature field and creep stress field and its pre - processing and post - processing has been developed. by applying this program, temperature field and creep stress field of hydraulic culvert and sluice engineer concrete is simulated. 2

    開發了非穩定溫度場和應力模擬計算的三維有限元計算程序及有限單元法的前後處理程序,運用此程序對水工涵閘工程混凝土進行了溫度場和應力場的計算分析,得出相關結論。
  13. At present plenty of experimental study has been made on the materials and structural performance of asphalt concrete cores in the world, and the design methods and construction technique as well as equipments have been more mature. however, there is still lack of the research of its basic performance. in this thesis, in combination with the actual project, the experimental study has been employed with the field core specimen and the specimen made in laboratory, mainly include the static triaxial test, confinement pressure stabilization test and stress relaxation test

    目前,國內外對瀝青混凝土心墻的材料和結構性能已進行了一些試驗研究,其設計方法、施工工藝和設備較為成熟,但其基本性能研究方面顯得較為薄弱,本文結合實際工程對瀝青混凝土心墻的芯樣和試驗室成型的試件進行了試驗研究,主要包括靜三軸試驗、圍壓穩定試驗以及應力鬆弛試驗研究,得到以下基本結論: 1
  14. ( 3 ) participating in the developing of analysis < software about temperature field stress field and expand field of concrete ; combining these software with ansys and developing special software for simulation analysis of mgo - mixed concrete base on ansys

    ( 3 )參與研製開發了有關溫度場、應力場及mgo混凝土膨脹場的分析軟體,並將上述軟體有機地與ansys軟體結合,在ansys基礎上開發了外摻mgo混凝土模擬分析的專用軟體。
  15. Analysis of bending capability of a reinforced concrete beam supported at both ends in fired field

    火災場鋼筋混凝土簡支梁抗彎性能分析
  16. ( 3 ) temperature field and residual capacity of reinforced concrete member after fire studied by the numbers, various boundary conditions of heat exchange equation and the solutions of them given an account, the formulae of the residual capacity of the members after fire established, the program of temperature field programmed on the basic of finite difference algorithm, a case given to demonstrate

    ( 3 )對火災后構件溫度場的分佈和剩餘承載力的計算進行了系統地分析和研究。討論了熱傳導方程的各種邊界條件及相應的解法,建立了不同構件的剩餘承載力計算公式,並結合工程實例用有限差分法編制了相應的溫度場計算程序,與實例吻合良好。
  17. This paper presents the experimental results of typical elements of field works such as reinforced concrete beams, fiber glass reinforced plastic honeycomb sandwich plates, flexible covers ; examines the interrelationship of the loads and deformation under the condition of large deformation ; obtains the laws governing the interaction of the medium and the structure ; solves the design and calculation problems related to shallow buried structures in soil

    本文在對大量試驗資料進行整理和作了大量分析計算的基礎上,選取了野戰工事中有代表性的構件即鋼筋混凝土梁,玻璃鋼蜂窩夾層梁式板和帆布被復作為研究對象進行試驗研究。深刻地考察了大變形條件下荷載和變形之間的內在關系,進而掌握了介質與結構相互作用的規律,較好地解決了土中淺埋結構的設計計算問題。
  18. The finite element analysis of 3d seepage field for surrounding rock mass of cavern groups of underground powerhouses was performed based on the nodal virtual flux method for solving the non - pressure seepage field and the improved drainage substructure technique for accurately simulating the complex seepage behaviors of densely distributed drainage holes, with emphasis placed on the seepage properties of the anti - seepage concrete curtain and drainage curtain in the anti - seepage and drainage system

    摘要在求解無壓滲流場結點虛流量法的基礎上,結合可精細模擬密集排水孔復雜滲流水力行為的改進排水子結構技術,付某地下廠房廠區洞室群圍巖區三維滲流場進行了有限元求解分析,著重研究了防滲排水系統中的帷幕和排水幕的滲流特性。
  19. 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 )小關子水電站攔河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 )靠船墩的疲勞可靠度研究:為廣東航運規劃設計院的靠船墩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。
  20. For avoiding harmful cracks in concrete structures during construction, this paper analyzes the possible causes of concrete cracks in yangshan port project, proposes control measures for concrete cracks, and describes the inspection and repairing of concrete cracks, so as to ensure the concrete construction quality of yangshan deepwater port engineering, serving as a reference for field concrete construction

    摘要為盡可能避免混凝土構造物在施工階段發生有害裂縫,對洋山港區工程混凝土裂縫的可能成因進行分析,提出控制混凝土裂縫的措施,並介紹混凝土裂縫的檢測和修補工作,以確保洋山港區建設工程的混凝土質量,可供現場施工參考。
分享友人