addition of cement 中文意思是什麼
addition of cement
解釋
水泥混合材料-
The separate addition of micro - silica, ultra - fined slag, high quality fly ash can improve the cement concrete ' s anti - chloride permeability. the result is micro - silica grater than slag grater than fly ash, and the greater the amount that added the greater the improvement is
5 x而水化產物對氯離于的固化主要為水化氯鋁酸鈣（ friedel鹽）生成及c s h凝膠體的層間物理化學吸附作用。 -
This thesis investigated and researched on non - loaded crack, especially those caused by thermal - shrink, and analyzed the thermal - shrink stress of beam, slab and continuous - wall, found that according data of civil and overseas offered thermal - shrink calculating formula without considering effect of factors, such as the cement quantity, using of aruhuesiru, aggregate size and quantity of sand, which made the result data smaller. in addition, there are not enough construct measure in code
本文對非荷載裂縫，特別是溫度?收縮裂縫進行了調查研究，並對兩端或四周約束的梁、板和底部約束的地下連續墻進行了收縮應力分析，發現國內外有關文獻給出的收縮計算公式沒有考慮泵送商品混凝土的水泥用量、外加劑使用、骨料粒徑和砂用量等因素的影響，計算出的混凝土收縮量往往偏小；另外， 《規范》中針對溫度?收縮裂縫的構造措施不足。 -
In addition, impact of superplasticizers to hydration procee were discussed thoroughly. results showed that superplasticizers improved cement hydration process. initial hydration of cement was accelerated by superplasticizers because of their high range water reducing and dispersive action. after that, hydration rate was descended as a result of more initial hydrates and absorption of superplasticizers
高效減水劑由於其高度減水分散作用，水泥初始水化速度加快，但其後由於減水劑分子的吸附及初期水化產物膜的增厚，水化速度降低，從而有利於漿體結構的密實與後期性能的發展。 -
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。 -
Effects of the addition of pvac on performance of hot pressed cement particleboard
添加量對熱壓法快速固化水泥刨花板性能的影響 -
The addition of aluminum sulfate caused the chemical shrinkage of cement mortar to reduce a little, but induced net plasma self - shrinkage to grow into expansion. that reason was that ettringite was produced by reaction between aluminum sulfate and hydration products
硫酸鋁摻入水泥中，可以使水泥漿的化學收縮有少量的減少，但可以使水泥凈漿的自收縮改變為膨脹效應，這是因為其與水泥水化的生成物反應生成了鈣礬石。 -
With the addition of the mineral additives, the structure of the cement paste can be improved and the resistance of sulfate attacks can be advanced
摻入摻和料可以改善水泥漿體的結構，明顯提高混凝土的抗硫酸鹽侵蝕能力。 -
Test method for activity of industrial waste slag used as addition to cement
用作水泥混合材料的工業廢渣活性試驗方法 -
Through strength tests and xrd tests for cemented stone, the paper presents action mechanism of the nanometer materials in the cement hydration and hardening process : pozzolanic effect, filling effect, acceleration action for the cement hydration, and improving action for microstructure. from the four aspects, the modified mechanism of the nanometer silica fume and ordinary silica fume in cement paste are compared. the analysis results show that the particular properties of the nanometer silica fume include particle fineness, crystal structure and surface hydroxy, etc. a serial of laboratory tests are performed to study physical and mechanic properties of the clay with the addition of the nanometer silica fume
結合水泥石強度試驗和xrd試驗，從火山灰效應、填充效應、水泥水化促進作用和微結構改善作用等方面探討了三種納米礦粉在水泥水化硬化過程中的作用機理；從這四個方面出發，對比分析了納米硅粉和普通硅粉作用機理的異同點，分析表明，納米硅粉的優異特性主要表現為顆粒細度、晶體結構、表面羥基等特性。 -
The addition of calcined kaolin to cement increased the chemical shrinkage of cement stone, but it had no distinct impact on the self - shrinkage of cement stone
煅燒高嶺土摻入水泥中，增加了水泥石的化學收縮，對水泥石的自收縮的影響並不明顯。 -
The addition of aluminium powders induced cement mortar to produce a mount of pore, the existing of pore could block path of through pore, so increased cement mortar impermeability. the experiments results revealed that appropriate addition amount of aluminium powders in cement mortar was 0. 004 - 0. 005 wt %
氣泡的引入可以阻斷水泥石中的貫通孔的通路，從而增加其抗滲性能，通過試驗研究，鋁粉在水泥砂漿中的摻量以（ 0 . 004 0 . 005 ）為宜。 -
In addition, influence to density and strength of cement - stabilized soil because of molding delay and reasonable curing period from completion of subbase to the compaction of road - base are also researched. finally, experiment section of cement - stabilized silty soil subbase is constructed according to lab research results, and construction methods are summarized
此外，研究了延遲成型時間對水泥穩定土的密度和強度的影響及底基層成型后至基層壓實前的合理養生齡期，最後，根據大量的室內研究成果進行了大劑量水泥穩定粉質土底基層試驗路的鋪築，並對施工工藝進行了總結。 -
As the concrete members are vibrated from 12 to 72 hours, the difference of its strength between vibration members and normal ones is not obvious. the interface of post - casting section is both the most dangerous position of the structure and focal point of quality control. in addition, the leaking of cement paste out of the formwork of vibration member is of no permission
試驗表明振動持續時間從12小時到72小時的變化，對混凝土強度沒有明顯差別；濕接頭的界面是最薄弱部位是施工質量控制的重點，振動構件模板應做到務必不漏漿；當振動幅值較大，必須採取隔振、減振措施。 -
The ucs of ntrcss does n ' t vary greatly with increase of nano - tio2 mixing ratio and curing period, but compared with that of general cement - stabilized soil, the ucs of ntrcss at different curing - period decreases greatly. the addition of nano - sio2 - x can remarkably strengthen cement - stabilized soil, and nano - al2o3 can increase the ucs of cement - stabilized soil. however, nano - tio2 has bad effect on the ucs
綜合分析認為：摻納米材料sio _ （ 2 - x ）可以大幅度提高水泥土強度，摻納米材料al _ 2o _ 3能提高水泥土強度，而摻納米材料tio _ 2則降低水泥土強度，可見，並不是所有的納米材料都能作為水泥土的外加劑。 -
With the developing highway communications, the traffic is increasing and axle is becoming heavier and heavier, all of these demand the high quality of cement concrete pavement the experience of past ten years in highway construction shows that the practical life time of cement concrete pavement is far more shorter than anticipated. damages such as cracking are offen occurred in first serval years they caused direct and indirect economic losses and bad social influences. in addition to control overloaded vehicles by means of administration, the compressive strength, bending strength wear - ability should be improved to solve all these problems
十幾年的高等級公路建設實踐表明，水泥路面的使用壽命遠遠小於其設計壽命，往往在通車幾年後就出現一些病害，如坑槽、斷板等病害，帶來的直接、間接經濟損失和不良的社會影響。解決這些問題，除了運用行政強制手段控制超載車輛外，必須提高水泥混凝土的彎拉強度、疲勞強度、耐磨強度、阻裂限縮能力，從而提高水泥混凝土路面的使用壽命。 -
By using wind - blown soil, fly ash, clay, a small amount of cement and addition agent as raw materials in this paper, the optimum dispensation formula and spreading theory about filling and pre - grouting of composite filling material were studied to have important practical significance to large filling and pre - grouting project
本文利用風積土、粉煤灰、粘土、少量水泥和其它外加劑為原材料，研究復合充填注漿材料的最佳配比及其擴散充填注漿理論，對于大型充填注漿工程具有重要的現實意義。 -
Depending on the densified system containing homogeneously arrayed ultra - fine particles ( dsp ) and the basic principles of reactive powder concrete ( rpc ) adopted by foreign researchers specialized in building materials, considering the characteristics of ultra - fine addition which can improve the workability and micro - structure of cement based materials and enhance the cementitious materials " packing density, we added blast slag silica fume crushed quartz superplasticizer and steel fiber into portland cement to produce the rpc by normal technology methods
本文以活性粉末混凝土（ reactivepowderconcrete ，簡稱rpc ）的基本配製原理為基礎，結合近幾年來人們對高性能混凝土研究所提出的要求，選擇適合本地實情的材料，在傳統rpc的配製基礎上，摻入礦渣組分，配製出了抗壓強度達135mpa的活性粉末混凝土材料。本文對摻礦渣rpc的配製技術及其相關的性能作了系統的研究。 -
However, the addition of calcined kaolin to cement caused setting time of cement to prolong and water requirement of cement to reduce
但其與水泥混合后稍微增大水泥的用水量、縮短凝結時間。 -
The experiment was done that the cured cement stone with addition of calcined kaolin were dipped into nacl solution of 2. 5wt %, and the experiment results showed that addition of calcined kaolin made cement stone pore fine and cement mortar displayed high property of impermeability
煅燒高嶺土的摻入可以使水泥石中的孔細化，通過對煅燒高嶺土摻入水泥中標養后在2 . 5氯化鈉溶液中浸泡試驗發現，煅燒后的高嶺土摻入水泥砂漿使其具有極好的抗滲透性。 -
In addition to selecting a high - quality portland cement, producers optimize aggregates, then optimize the combination of materials by varying the proportions of cement, water, aggregates, and admixtures
除了選用高性能的波特蘭水泥以外，還要選用合適的骨料，然後通過調整水泥、水、骨料和外加劑的比例使各種材料的組合達到最佳。
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