cement and concrete research 中文意思是什麼

cement and concrete research 解釋
水泥與混凝土研究
  • cement : n 1 水泥。2 膠泥;膠合劑,接合劑,膠;【醫學】(牙科等用的)黏固粉。3 【解剖學】(牙齒的)白堊質...
  • and : n. 1. 附加條件。2. 〈常 pl. 〉附加細節。
  • 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)...
  • research : n. 1. 仔細搜索 (for, after)。2. 〈常 pl. 〉研究,調查,探測;追究。vt. ,vi. 追究;調查,研究 (sth. , into sth. )。
  1. The paper is based on the construction of the express - highway between yiyang and changde in hunan province, aiming at enhancing the serviceability of cement concrete pavement, probing into the structural assemblage of the cement concrete pavement, the roadway drainage system, contraction joint with the dowel bar and precaution of bumping at the end of the abutment. it presents some achievements of the research, including more reasonable structural assemblage and roadway drainage system, the method of setting dowelled bar in contraction joint, putting forward the concept of stage - transition from rigid to flexile behind abutment

    本文以湖南省益陽至常德高速公路項目為依託,以提高水泥混凝土路面使用性能為目標,就水泥混凝土路面結構組合、路面排水系統、縮縫設置傳力桿、橋頭跳車問題的防治等方面開展研究和工程實踐,取得了豐富的研究成果,如研究採用了更合理的路面結構組合,設置了較完善的路面排水系統,在國內高速公路上率先全面採用縮縫加傳力桿技術,對所有橋涵構造物臺背全部採用剛柔過渡技術處理橋頭跳車問題等。
  2. The important meaning in which this direction studied has lain in establishing the connection between the material science of concrete and civil engineering, analyse the strength in terms of material microcosmic or the mesoscopic, have important meaning to understanding, know the essential law of the strength of concrete. this text divides six chapters altogether. chapter one reviewed the pore structure in nowadays domestic and international research current situation, including the concrete examines research, research of the pore structure model and the research current situations of pore structure and strength relation of the pore method, have introduced some most important achievements of structure research of pore ; chapter two narrated much yardstick of the material mesoscopic structure of concrete and principle of examining pore technology of material of concrete, and the commonly used sign parameter in discussedding the pore and material pore of quito of cement and analyse, have explained that the influence factor of mip to the result of study of pore, has pointed out the limitation in mip in the pore structure ; analyse porosity and strength relation development course of model emphatically, and has carried on comparative analysis to the existing model, has pointed out the weak point of the original model ; on the basis of " ing integrate synthetically ", propose concrete pore structure compound body model and pore physical model of systemlex body ; chapter five carried on the corresponding test data to compares to the model parameter appearing in model of chapter four with and analyses, have received k value of the characteristic of strength of matrices of reflecting according to the method to return to analysis, and calculate the influence produced on the strength of concrete in revision that can probed into the content of cement, elastic mould and surface energy, exactness of the inspection model ; chapter six is the conclusion, according to studying the survey this text to some research conclusions of the pore structure and making corresponding prospect to the structure development of pore

    第一章回顧了孔結構在當今國內外的研究現狀,包括混凝土測孔方法的研究、孔結構模型的研究及孔結構與強度關系的研究現狀,介紹了孔結構研究方面的一些最重要的成果;第二章敘述了混凝土材料細觀結構的多尺度性及混凝土材料測孔技術的原理,並討論了水泥基多孔材料孔隙分析中常用的表徵參數,也說明了壓汞法測孔對研究結果的影響因素,指出了壓汞法在孔結構研究中的局限性;第三章是著重分析了孔隙率與強度關系模型的發展歷程,並對已有的模型進行了比較分析,指出了原有模型的不足之處;第四章在「綜合集成」的基礎上,提出了混凝土孔結構復合體模型和孔系統的物理模型,並模擬了該模型下由各單體並聯形成的復合體的斷裂過程,最後根據所建模型編制了相應的計算程序,可根據輸入的孔徑分佈與水泥含量等參數,實現混凝土理論強度的計算;第五章對第四章模型中出現的模型參數進行了相應的試驗數據對比分析,根據回歸分析的方法得到了反映基體強度特徵的k值,並從理論上探討了水泥含量、彈性模量和表面能的修正對混凝土強度計算產生的影響,檢驗模型的正確性;第六章是結論與展望,根據研究綜述了本文對孔結構的一些研究結論並對孔結構發展作了相應的展望。
  3. In this research, the high - fluidity and super high - early strength repairing concrete is prepared though experimental research on quick - repairing materials to cement concrete pavement. this concrete is provided with many properties such as satisfying early traffic opening, benefiting operation, cutting down labor consumption and securing interfacial bond strength

    本課題通過對水泥混凝土路面快速修補材料的實驗室研究,旨在研製高流動性超早強修補混凝土,以滿足及早開放交通、利於施工操作並降低勞動損耗、保證新老混凝土的粘結性。
  4. High performance concrete is a very popular key of research in structure material currently. but high performance cement mortar is lack of much attention. in fact, cement mortar and concrete are very close relationship

    原因是多方面的,其中一個重要原因是砂漿的應用目前還主要是抹面、找平和砌築,還沒有能夠上升到砂漿是混凝土等結構材料的保護層的高度。
  5. This research put forward three repairing and curing projects : one is to use the steel fiber reinforced concrete to repair the road ; other is to use dula fiber concrete to repair the layer ; another is to use polymer cement mortar to repair the curing layer

    本研究提出了三種維修養護方案,其一為鋼纖維混凝土修補層,其二為杜拉纖維混凝土修補層,此兩種都為補強性修補層;第三種為聚合物水泥砂漿維修養護層。
  6. Operation performance monitor and damage cause research of cement concrete pavement

    水泥砼路面使用性能監測及損壞原因研究
  7. On the basis of the study of traffic features of heavy - load vehicles, the vehicle weight data and the axle - load spectrum of different vehicles were collected for some typical heavy - duty roads in china, and according to the features of heavy - loading pavement, deficiency of the former load - figure are analyzed and new figures which are suitable for heavy - load pavements are put forward. meanwhile, based on the research of the cement concrete fatigue equation and the damage mechanism of asphalt pavement under heavy - load vehicles, axle load conversion equations fitting for heavy - load cement concrete pavement and asphalt pavement are established respectively by further analysis. in addition, design indices, traffic and material parameters and structural combination for heavy - load pavements are discussed in this paper as well

    本課題針對重載道路路面設計中所存在的問題,從重載交通特性出發,收集分析了國內幾條重載道路的交通及軸載組成情況,根據重載交通的特點,分析原有荷載圖式的不足,提出了適合於重載瀝青、重載水泥混凝土路面的荷載圖式;同時,在重載水泥混凝土路面疲勞方程及重載瀝青路面破壞機理研究的基礎上,通過對重載路面軸載換算公式的進一步研究,分別提出了適合於重載水泥及重載瀝青路面的軸載換算公式;此外,本文還對重載水泥、重載瀝青路面的設計指標、交通參數、材料參數及結構組合等方面進行探討,系統地提出了重載路面的設計方法,並使之有效地運用到工程實踐中。
  8. The result of the research indicates that the high performance concrete produced with this type of cement is of higher early and post strength and the electric flux of the concrete is low

    研究結果表明,應用該水泥配製的高性能混凝土均具有較高的早期強度和後期強度,混凝土的電通量較低。
  9. Through the research and analysis on the three aspects concerning the base interface of the pavement panel, crack accumulation, expansion in the pavement panel and interaction between spring plates on the road surface as well as its damage on the road fatigue, it is first brought forth that the process of fissures and breakage in the cement concrete pavement can be divided into three stages, i. e. stage of initial crack formation and damage in the bottom of the pavement slab, stage of accumulation, intensifying & expansion in ruptures from load during the time of use and stage of fissures & breakage in the pavement

    通過對路面板底界面開裂、路面板中裂縫積聚、擴展和路面表面車板相互作用及其對路面疲勞破壞的影響等三個層面的研究和分析,首次提出水泥混凝土路面的開裂和破壞過程可以分為三個階段,即路面板底初始損傷西南交通大學博士研究生學位論文第11頁和早期裂縫的形成階段、使用期間荷載作用對路面造成的開裂損傷累計、加劇和裂縫擴展階段以及路面斷裂破壞階段。
  10. 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。
  11. Chengzhi, z., w. aiqin, and t. mingshu, “ the filling role of pozzolanic material ”, cement and concrete research, vol. 26, no. 6, pp. 943 - 947 ( 1996 )

    陳清泉、陳振川、袁宏續和詹穎雯,爐石為水泥熟料與填加料對混凝土特性影響之文獻及國外淚況調查研究,營建研究中心( 1987 ) 。
  12. Using processed march cylinder, tapered circular mould, u - shaped instrument, l - shaped concrete fluidity instrument and some other testing instruments, and after research and study to physical and chemical property of various raw material. systematic tests have been carried out in respect of consistency between cement and additive, concrete fluidity, concrete filling - up - space and penetration capability and concrete anti - segregation property, basing on prudent and careful analysis to results of 34 - time tests a nd more than 500 data, and with utilization of combined additive, we finally conclude the proper mix design range for the self - densifying high performance concrete with ideal working performance at all respects

    通過加工的march筒、截錐形圓模、 u型儀、 l型混凝土流動儀等實驗儀器以及對各種原材料的物理及化學性能展開詳盡的調查研究,進行了多種材料下的水泥與外加劑相容性、混凝土的流動性、混凝土的填充性和鋼筋通過性、混凝土的抗離析性等系統試驗,在對34組試驗、 500多個數據的詳細認真分析的基礎上,利用復合后的外加劑,得出各項工作性能均較佳的自密實混凝土所用原材料比例范圍。
  13. This paper presents design principle and method of asphalt concrete pavement typical construction and cement concrete pavement typical construction, formulates typical construction drawing of two type pavement and workouts pavement typical construction computer aided design, by summarizing and absorbing research production of home and abroad, considering different natural conditions, grade of road and traffic volume in ningxia, and collecting a mass of engineering datum, calculating and checking

    本文通過總結與吸收近年來國內外路面典型結構的研究成果,考慮寧夏地區不同的自然條件、道路等級和行車荷載條件,在大量計算、驗算的基礎上,提出適用於寧夏公路的瀝青混凝土路面典型結構和水泥混凝土路面典型結構的設計原則和方法,具體擬定了兩種類型路面的典型結構圖,並編制了公路路面典型結構計算機輔助設計程序。
  14. Firstly, the environment harm of the waste rock is studied ; secondly, we research the physics and mechanics property of the waste rock of the dabagou tunnel and get the physics and mechanics property index of waste rock ; thirdly, after comminuting the waste rock and compounding concrete as coarse aggregate, we make the comparison between it and the songshan stone in the fuxin building market at present, it proves to possess extension application value ; fourthly, on the foundation of it, we utilize waste rock as coarse aggregate to compound high strength concrete, steel fiber high strength concrete, polymer cement concrete, asphalt concrete by uniform design and research their mechanics property index by experiment

    首先闡述了排矸石對環境產生的危害,其次對大巴溝隧道排矸石的物理力學性質進行了試驗研究,獲得了排矸石的物理力學性能指標。將排矸石粉碎后,作為粗骨料配製成混凝土,與目前阜新建築市場上所用的松山石子進行比較,證明其具有推廣應用價值。在此基礎上,利用均勻設計法,將排矸石作為粗骨料配製成高強混凝土,鋼纖維高強混凝土,聚合物水泥混凝土,瀝青混凝土,通過試驗測定其力學指標,獲得了各種排矸石混凝土的優化方程和最佳配合比。
  15. By research the effect of mineral mixture on cement and admixture, we can improve it ' s utility in cement concrete. in this article we use the slag and fly ash as research object. we study the effect of the mineral " s dosage on the compability of different fineness cement and admixture, the effect of mineral fineness to the compatibility of cement and admixture. wo also research the effect of mineral to different cement and admixture in chongqing. by the study, we continue changing the character of mineral to improve it ' s effect to compatibility. slag and fly ash mix each other can have better character to the compatibility of cement and admixture. changing slag by admixture and gypsm also can improve it ' s compatibility to cement and admixture

    礦物摻合料對水泥與不同摻量的外加劑之間的相容性影響。並結合重慶市現有的資源,研究了礦物摻合料對重慶地區不同廠家的水泥與外加劑的相容性影響。進而對礦物料的缺陷進行改善,採用礦渣與粉煤灰混摻,膨脹劑與礦渣混摻,礦渣與石膏,礦渣與外加劑混磨,優化礦物摻合料,更好的促使其在重慶市水泥混凝土中的應用。
  16. H. toutanji, s. mcneil, and z. bayasi. chloride permeability and impact resistance of polypropylene - fiber - reinforced silica fume concrete. cement and concrete research, 1998, 28 ( 7 ) : 961 - 968

    王依民,倪建華,潘湘慶.混凝土防裂用改性聚丙烯纖維工藝研究.化學建材, 1997 ( 4 ) : 172
  17. In charge of application research on anti - corrosion of reinforced concrete and crack resistance of mass concrete of xiamen haicang bridge, the technical problem in using 525 early - strength cement in mass concrete of anchor blocks has been solved by using high quality and large quantity of fly ash and superplasticizer in concrete acting as an invited expert in appraising bids of engineering materials for haicang bridge

    完成廈門海滄大橋混凝土防海蝕和錨碇大體積混凝土防裂應用研究,採用優質粉煤灰和高功能外加劑解決了早強型525水泥在錨碇大體積混凝土中應用的技術問題,被聘為海滄大橋工程材料招標評標專家。
  18. The durability of concrete is one of the key problems in cement and concrete field that many scholars are concerned with. in recent years, the focus of durability research is transferred from single degradation factor to multi ones

    混凝土的耐久性一直是水泥混凝土科學界和工程界最為關注的問題之一,近年來其研究已經從單一劣化因素轉向多種劣化因素對混凝土耐久性的影響。
  19. Therefore, the present paper, based on the existing achievements as well as an extensive study & investigation in combination with part of the achievements the author has derived by hosting or participating in the research programs of the cement concrete pavement, has led to three phases of fissures and breaking in the pavement slab on the condition that each performance of the subgrade is maintained, i. e. stages of formation in initial cracks, of accumulation & expansion in ruptures and of fissures & breakage in the pavement

    為此,本文在已有研究成果的基礎上通過廣泛調研,結合作者近幾年來主持或參加的有關水泥混凝土路面研究課題的部分成果,在路面基層的各種性能得到保障的前提下,通過理論研究和試驗研究,得出路面板的開裂破壞過程分為三個階段,即初始裂縫形成階段、裂縫累積和擴展階段以及路面斷裂破壞階段。
  20. It has good practical and academic value for research of interfacial bonding between shaped synthetic macro - fiber and matrix. for concrete consisting of hardened cement, aggregates, pore and micro - cracks of different sizes, reinforcing effects of only one type of fiber are limited, however,

    由於混凝土自身是多相、多組分、多尺度層次的非均質結構特性,單一纖維增強作用是有限的,混雜纖維能在不同結構和不同性能層次上逐級阻裂與強化,達到取長補短的作用。
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