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    Chloride Diffusion Coefficient of Surface treated Mortar Specimens
    表面处理水泥砂浆试样的氯离子扩散系数
    SOME PROBLEMS DISCUSSION OF COMPRESSIVE STRENGTH OF MORTAR SPECIMENS
    砂浆试块抗压强度问题的讨论
    STUDY ON THE ALTERNATING CURRENT IMPEDANCE SPECTRA OF POLYMER COATED MORTAR SPECIMENS
    聚合物涂层砂浆试样的交流阻抗谱研究
    The experimental results of the thermal KIC and KIC of the concrete and mortar specimens with different ages were given.
    实验结果给出了砂浆的KIC以及混凝土不同龄期的应力KIC及应变KICε。
    This article discusses reliability probability,failure probability of compressive strength of mortar specimens and influence of the failure probability upon compressive strength of brick masonry.
    讨论了砂浆试块抗压强度合格的可靠概率、失效概率及失效概率对砌体抗压强度的影响
    The accelerated sulphate erosion test for common portland cement mortar specimen prepared with water cement ratio from 0.4 to 0.8 was carried out, and the dynamic modulus variation of the specimen to the erosion time was determined by ultrasonic checking method.
    用普通硅酸盐水泥,分别配制了水灰比在0.4~0.8范围内的水泥砂浆试件进行硫酸盐加速侵蚀实验。
    The mortar specimens with cracks are repaired with the ZnSO_4 and MgSO_4 solutions, in the process carbonation depth of the mortar specimens with cracks is measured at the non-cracked and cracked part after the ages of 7d,14d,21d,28d and 35d, and carbonation depth of mortar specimens with cracks studied after electrodeposition.
    选用ZnSO4和MgSO4两种电沉积溶液,对带裂缝的砂浆试件进行修复,测定了7天、14天、21天、28天、35天龄期带裂缝砂浆试件无裂缝处及裂缝处的碳化深度,研究了带裂缝的砂浆试件经过电沉积处理后碳化深度的变化情况。
    Results show that: the ability on preventing mortar from carbonation of the mortar specimens with cracks is improved after electrodeposition with the ZnSO_4 and MgSO_4 solutions, and it is improved more with the latter one.
    结果表明利用ZnSO4和MgSO4两种电沉积溶液,对带裂缝的砂浆试件进行电沉积处理后,其抗碳化能力均有所提高,而且采用MgSO4溶液,抗碳化能力的提高程度要高于采用ZnSO4溶液的。
    Some Problems on the standardization of mortar specimen's form-bottom
    砂浆试块采用底模的统一问题
    Chloride Diffusing through Polymer Coated Mortar Specimen ——Results of Normal Diffusion Test and the Comparison between Normal and Accelerated Test
    氯离子在聚合物涂层砂浆试样中的扩散——普通扩散试验结果及其与加速稳态试验结果的比较
    The thesis explores mechanism of cement solidification, evaluating the leachingtoxicity of condensates, the compressive strengths of mortar specimens, crystal varieties analyzed by X-ray Diffraction (XRD).
    固化体强度的降低是由于水泥固化体中水化产物的减少,而水化产物的判别,则是X射线衍射分析(XRD)一个重要方面。
    By way of dipping the mortar specimen into an 80℃ alkali-solution to get its relative deformation after 12-day is by far the most reliable,simplest and quickest experimental method to determine the reducing activity of aggregate.
    把砂浆试件沉入80℃碱液中 ,测量试件经12d的相对变形值 ,以判定集料的碱活性状况 ,是最可靠、简单的快速试验方法。
    By measuring the permeability of mortar specimens with an oxygen diffusion equipment, the open porosity of hardened cement paste(hcp) was evaluated and the durability of concrete was discussed in this research. The research shows that the results of measuring oxygen diffusion can correctly reflect and reveal the effects of some factors such as water cement ratio, composition of cementitious materials, curing condition on the pore structure and permeability of hcp.
    采用氧扩散法测定了砂浆的渗透性,用于评估硬化水泥石的开放孔隙率及研究混凝土的耐久性.结果表明,砂浆试件的氧扩散法测定结果能正确地反映水灰比、胶凝材料组成和养护条件等对水泥石孔结构和渗透性的影响;
    According to three point bending test, the complete processes from the initiation and propagation of micro cracks to the macroscopic failure of the concrete specimen and mortar specimen are simulated through RFPA 2D (Rock Material Failure Process Analysis) Code. The authors conclude that the influence of concrete heterogeneity can explain why the crack propagation path is curvilinear.
    根据混凝土试样三点弯曲试验 ,利用RFPA2D数值模拟系统对砂浆和混凝土三点弯曲试样中预制裂纹的扩展直至试样宏观破裂的整个过程进行了模拟分析 ,指出了混凝土组成材料的非均匀性对裂纹扩展路径的影响。
    The chloride diffusion coefficients of mortar specimen coated with different kinds of polymers were determined with normal steady state diffusion test and compared with the results obtained from the accelerated steady state diffusion test.
    用普通扩散试验测量了不同聚合物涂层砂浆试样的氯离子扩散系数 ,并将其与加速扩散试验结果进行了比较 .
    The experimental investigation and analysis are presented for exploring the intrinsic link betweencompressive deformational response and crack behavior of the mortar specimens.
    描述了用实验观测和分析的方法考察砂浆试样在受压过程中裂纹扩展和变形响应之间的固有关系。
    The microstruc-ture of cement mortar specimens was analyzed by means of X-ray diffraction and scanning electron microscope.
    用X射线和扫描电镜对掺硅粉和改性硅粉的水泥砂浆试样进行了微观分析; 最后对硅烷偶联剂的改性机理进行了分析。
 

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