chloride diffusion 中文意思是什麼
chloride diffusion
解釋
氯化物擴散-
Measurement of the steady and non - steady - state chloride diffusion coefficients in a migration test by means of monitoring the conductivity in the anolyte chamber comparison with natural diffusion tests
很多混凝土科學工作者都在積極努力的發展氯離子傳輸和檢測理論及試驗室方法，目前理論及試驗室檢測標準眾多，但尚無明確的現場檢測標準。 -
Permeability of concrete and its correlation with chloride ion diffusion coefficient under different test conditions including water pressure method and tension method are studied
本課題主要研究混凝土在水壓法及張力法試驗條件下水在混凝土中的滲透行為以及同氯離子擴散系數相關性。 -
Water pressure method can distinguish permeability of concrete with different strength or air content, and penetration length or permeability coefficient has good correlation with chloride ion diffusion coefficient. tension method also can distinguish permeability of different concrete, but it has discreteness compared with water pressure method
通過研究水壓法對于不同滲透性混凝土發現:水壓法能夠較好的區分不同強度、不同含氣量的混凝土的滲透性，滲透高度及滲透系數與氯離子擴散系數的相關性較好。 -
The polyacrylonitrile have no use to improve the homogeneity of concrete. the homogeneity of concrete have bad effect to compression strength, but the effect to chloride ion coefficient of diffusion is not obvious. for concrete used generality, if it ’ s homogeneity is acceptable ( k 7 % ), the percentage of lost of the compression strength will lower than 10 %
勻質性對抗壓強度的影響較大，對氯離子滲透系數的影響不明顯，對於一般用途的混凝土，勻質性良好（ k 4 % ）時，強度損失在5 %以內，勻質性合格（ k 7 % ）時，強度損失在10 %以內;對于深層澆注的混凝土，離析度k 3 %時上下層強度的差異率才能保證在5 %以內。 -
The standard diffusion calculating model is one of the models widely used to predict the concrete construction life in chloride environment, but this model has some limitations
摘要氯離子標準擴散計算模型是氯離子環境下對混凝土結構進行壽命預測時應用最廣泛的模型之一，但該模型存在一定的局限性。 -
Water cement ratio and mixing fly ash or slag into concrete effect on ability of resisting chloride penetrating that are considered in the model. the effect of environment that include temperature, relative humidity and cumulating of surface chloride concentration of concrete are also considered. moreover, chloride diffusion changing with time is included in this model as well as
模型中考慮水灰比和混凝土配合比（摻入不同量的粉煤灰和礦渣）變化對混凝土抵抗氯離子侵蝕能力的影響，同時考慮溫度、相對濕度和表面氯離子濃度累積變化等環境因素對氯離子侵入混凝土過程的影響，以及氯離子擴散系數隨時間的變化。 -
The concrete used in testing bridge is monitored and some performance at definite age including compressive strength, splitting fensile strength, frost resistance, scaling frost resistance, chloride ion diffusion coefficient ( dcl - ), resistance of carbonization and pore structure by mercury porosimetry are tested. these performances are compared with that of concrete which designed by traditional method. the results show that mechanical properties of concrete designed by high durability concrete proportion and traditional method meet require ment at any age, however, frost resistance, scaling frost resistance, chloride ion diffusion coefficient ( dcl - ), resistance of carbonization and pore structure of the former are better than the latter, so high durability concrete is economic benefit
對試驗橋用混凝土的質量進行監控，並成型試件測量所需齡期內的抗壓強度、劈裂強度與抗凍融、抗鹽凍、氯離子擴散系數（ dcl - ） 、抗碳化等耐久性能指標及孔結構，並與傳統混凝土進行對比研究，結果表明:高耐久性混凝土及按傳統配合比設計的混凝土的力學性能均能滿足相應齡期的要求，但前者的抗凍融性能、抗鹽凍性能、抗碳化性能、 dcl -和孔結構明顯優於後者，並具有明顯的社會經濟效益。 -
Polypropylene fiber reinforced concrete ( ppfrc ), steel fiber reinforced concrete ( sfrc ) and mixed fiber reinforced concrete used in plate of bridge are studied. the performances of concrete with different fiber content, such as compression strength, tension strength, splitting tensile strength, frost resistance, shrinkage, early shrinkage and chloride ion diffusion coefficient ( dcl - ) are studied
分別研究了改性聚丙烯纖維、鋼纖維和混摻纖維對橋面板用混凝土性能的影響，研究了不同纖維摻量混凝土的抗壓強度、抗折強度、劈裂強度及抗凍性、干縮性能、早期開裂和氯離子擴散系數進行了試驗研究。 -
And takes the method of passing electricity in wet environment to carry on the reinforcement corrosion acceleration to the reinforced concrete, and uses the linear polarization method to carry on the test to the polarized resistance and corrosion current density of the steel bar flowed through by electricity at different time, analyzing the rule of the change of the reinforcement corrosion parameters, and test the chloride ion diffusion coefficient to evaluate the impermeability of the concrete
本文以不同水灰比、不同含氣量、不同引氣劑的鋼筋混凝土為研究對象，採用濕通電法對鋼筋混凝土進行加速銹蝕，同時採用線性極化法對不同通電時間的極化電阻和腐蝕電流密度進行測試，分析銹蝕參數的變化規律，並通過測定cl -擴散系數來評價其抗滲性。 -
On the basis of the theory of reinforcement corrosion caused by chloride, a chloride diffusion model considering the time - dependent quantities of diffusion coefficient and surface chloride concentration for predicting the content of chloride in concrete is presented in this paper, at the same time, the determination of model factors are analyzed
論文以氯離子對混凝土結構的侵蝕機理為基礎，在不同氯腐蝕環境下，建立了考慮氯離子擴散系數的時間依賴性及其它因素影響的改進氯離子擴散模型，並對模型參數的選取和確定進行了深入討論。 -
Effect of drying - wetting cycles on chloride diffusion in concrete exposed to high concentration brine
干濕循環對混凝土在高濃度鹵水中氯離子擴散行為的影響 -
In the aspect of mortar permeability the author has done some experiments, including the water absorption, porosity, weatherability, anti - freeze - thaw cycle, carbonation and the chloride diffusion experiment, and compared those properties with conventional mortar to testify the modified effects. on the base of these experiments, the method of sem was used to analyze the microstructure and hydration mechanism of polymer modified cement mortar, and the author draws a conclusion that the 9 percent of polymer - cement ratio is the optimum ratio
在改進砂漿的密實度和抗滲性能方面，主要進行了不同聚合物摻量下的吸水性試驗、可透孔隙率試驗、耐老化性試驗、抗凍性試驗、抗碳化試驗，以及對耐久性能影響最大的快速氯離子擴散試驗，並和普通砂漿的相應試驗進行了對比分析，驗證了聚合物砂漿的改性效果。 -
6. the durability of concrete structures resisting chloride diffusion in different water cement ratio and different contents of fly ash and silica was analyzed and durable life was predicted based on the results of the test, which will be helpful to preparation of high performance concrete ( hpc ) as well as durability design and assessment of concrete structures
系統地研究了低水膠比及摻加粉煤灰、硅灰的高性能混凝土的電滲透性和氯離子擴散系數，分析了水膠比以及粉煤灰和硅灰等活性集料對混凝土結構抵抗氯離子侵蝕的耐久性能的影響，並對高性能混凝土結構抗氯離子侵蝕的耐久壽命進行了預測，為氯鹽污染環境下高性能混凝土的配製以及混凝土結構耐久性評估與設計提供參考。 -
The result indicates that when the air content of the concrete changes from 1 to 4 percent, the polarized resistance of the identical flow electricity time increases along with the increment of the air content, the corrosion current density reduces along with the increment of air content, the chloride ion diffusion coefficient reduces with the increment of air content ; when air content changes from 4 to 6 percent, the rule of the change of the polarized resistance and corrosion current density happens to be the opposite, the diffusion coefficient of the chloride ion increases along with the increment of air content ; when the air content is 4 percent, the rust - resisting property of concrete is best, and so is the impermeability of the concrete
試驗結果表明，混凝土的含氣量在1 . 9 % ~ 4 . 2 %變化時，極化電阻隨含氣量的增大而增大，腐蝕電流密度隨含氣量的增大而減小， cl -擴散系數隨含氣量的增大而減小;當含氣量在4 . 2 % ~ 6 . 4 %變化時，極化電阻、腐蝕電流密度和cl -擴散系數的變化規律則相反;當含氣量為4 . 2 %時，抗鋼筋銹蝕性能最佳，抗滲性最好。 cl -擴散系數與鋼筋銹蝕參數在一定程度上有著良好的相關性，抗滲性的結果較好地反映了混凝土中鋼筋銹蝕的程度，可以用cl -擴散系數評價引氣混凝土的抗鋼筋銹蝕性能。 -
( 5 ) simplified calculation method without considering degradation of bond strength and response surface method using analysis output by fem is carried out to calculate the time - dependent reliability of corroded structure separately. the influence of chloride diffusion rate and steel corrosion ratio on structure reliability is discussed. the applicable scope and the calculation difference between the two methods are compared
（ 5 ）分別採用不考慮混凝土與銹蝕鋼筋之間粘結力減弱的簡化方法和利用非線性分析結果的響應面方法計算銹蝕鋼筋混凝土結構的時變可靠度，研究了氯離子侵蝕速率、鋼筋銹蝕率對結構可靠度的影響，並分析比較了這兩種可靠度計算方法的適用范圍和計算差異，為混凝土結構基於可靠度的耐久性鑒定提供了實用判別方法。 -
Mix mineral additive into concrete has great effect on the pore structure, especially the addition of sodium sulfate coarsening the pore structure enormously, and increase the total porosity. after mixing sodium sulfate, the chloride ion diffusion coefficient of air entraining concrete increased, impermeability reduced ; but mixing sodium nitrite and sodium chloride can
Na _ 2so _ 4摻入后，引氣混凝土的氯離子擴散系數增大，抗滲性降低;而nano _ 2和nacl能夠細化水泥石的孔結構，對混凝土的抗滲性有利，但提高幅度不大。 -
Standard test method for determining the apparent chloride diffusion coefficient of cementitious mixtures by bulk diffusion
用粒狀料擴散法測定水泥混合物表面氯化物擴散系數的標準試驗方法 -
Based on a chloride concentration test of field - exposed concrete specimens, a numerical example is given. the result shows that the chloride concentration increases with service time, decreases with diffusion depth, and the chloride diffusivity is a variable with time, depth and chloride concentration
通過對自然環境中混凝土試件的現場氯離子濃度試驗的算例分析發現，混凝土中的氯離子濃度隨服役時間增加而增加，隨擴散深度的增加而減少。 -
They can be used to assess or predict the reliability of corroded and cracked r. c. structures in marine environment. the stochastic model for assessment of chloride concentration in concrete is built by analyzing the stochastic process of chloride diffusion in concrete and taking account of the time variation of the diffusion coefficient
通過分析氯離子在混凝土中擴散的隨機過程，把擴散系數作為隨時間變化的函數，將混凝土表面氯離子濃度、保護層厚度作為隨機變量，建立了預測混凝土保護層中氯離子濃度分佈的隨機模型，推導出了氯離子濃度的均值和方差。 -
Statistic relationship between water / cement ratio and chloride diffusion coefficient was gained by experiment, based on which the influence of concrete cover, water / cement ratio and design reference period on structural reliability was discussed. 2. there are two models provided to predict remaining service life
通過試驗確定了水灰比與氯離子擴散系數之間的統計關系，在此基礎上分析了海洋環境下混凝土保護層厚度、水灰比、設計基準期等與耐久性有關的非承載力因素對設計基準期內結構可靠性的影響。
分享友人