布套帮助保护混凝土不受溶雪剂侵蚀 可减少维护费用并且不需要内部钢筋。
The tubes help protect the concrete from de-icing chemicals, potentially reducing maintenance costs, and no internal rebar is needed.
研究还表明吸水率可以有效评价混凝土保护涂层的防水能力和抵抗酸、碱侵蚀的能力。
They also show that water absorption could availably evaluate the waterproof ability and resistance to acid and alkali corrosion of concrete protective coatings.
针对氯盐侵蚀的预应力混凝土结构,讨论了氯离子扩散系数的计算。
The calculation of chloride diffusion coefficient in prestressed concrete structures eroded by chloride ion is discussed.
矿物掺和料通过密实填充效应明显改善混凝土抗氯离子渗透性、耐硫酸盐侵蚀性。
Mineral composite could greatly improve the chlorion penetration resistance and the sulphate corrosion resistance by filling up the pores in concrete.
并对大掺量粉煤灰混凝土抗侵蚀性能增强机理进行分析与探讨。
The enhancing mechanism of the corrosion resistance of LVFAC is analyzed and discussed.
阐述了混凝土抗硫酸盐侵蚀专家系统的系统设计、总体设计、功能模块及其特点。
The system and general design, functional models and characteristic of a concrete resist reinforcing sulfate corrosion expert system are described.
研究了在多离子作用下的不同水灰比的混凝土梁与柱的承载力随海水侵蚀循环次数的衰减变化情况。
The change is studied between the bearing capacity of beam and column of concrete with the circulation times of corrosion of sea water.
试验结果表明,粉煤灰等量取代部分水泥,可以有效解决蒸汽养护混凝土抗氯离子侵蚀能力不够的问题。
Results indicated that fly-ash substituting same amount of cement can effectively solve the problem of insufficient anti-chloride-corrosion ability of steam cured concrete.
海港码头钢筋混凝土结构处于恶劣的自然环境和工作环境中,海水的侵蚀严重危害结构的耐久性。
Reinforced concrete structure of seaport wharf is located at severe natural environment and work condition, and erosion from seawater damages seriously the durability of structures.
分析完善了氯离子侵蚀环境下混凝土结构耐久寿命的预测方法。
The proposed predictive method of durability life for concrete structure under the chloride erosion environment is therefore improved.
钢筋去钝化的初始机理有:混凝土的酸化作用和氯离子侵蚀等,它们已经被充分研究并且已经建立了模型。
The initiation mechanisms leading to steel depassivation, such as concrete carbonation and chloride penetration, have been thoroughly studied and modeled in the past.
氯盐的侵蚀引起钢筋锈蚀是导致沿海工程混凝土结构破坏的主要原因。
Corrosion of steel reinforcement by chlorine ion is the most significant causes of deterioration of reinforce concrete structures in Marine environment.
本文较系统深入地研究大掺量低质粉煤灰混凝土抗侵蚀性能。
The corrosion resistance of Large-Volume low-quality Fly Ash Concrete (LVFAC) is studied systematically and deeply in this thesis.
场址的地下水,对房基混凝土砼无侵蚀。
The groundwater in the building site will not erode the foundation concrete.
长期处于弱透水性土壤环境中且位于地下水位以下的钢筋混凝土,其受到的侵蚀会相对有所缓解。
The deterioration of the reinforced concrete located long term in impermeable soil environment and below water table may be appeased.
因此,对掺合料混凝土抗硫酸盐侵蚀性能研究有重要的实际意义。
Therefore, it has a strong scientific and practical significance of studying the concrete with admixture for anti-sulfate corrosion performance.
根据试验结果对混凝土结构抵抗氯离子侵蚀耐久寿命进行预测。
According to the test results, durable life of concrete structures was predicted against Chloride erosion.
由于地下水位高,造成地下水对渠道混凝土板的渗透破坏、冻胀破坏、硫酸盐侵蚀破坏和膨胀土膨胀破坏。
The high level underground water causes damages on the concrete board of the canal such as seep, freezing, sulfate erosion and swelling by swelled ground.
硫酸盐对混凝土的侵蚀作用主要与土壤中硫酸盐的含量以及其饱水程度有关。
The erosion of sulfate to concrete is mainly related to the content of sulfate in soil and the saturation level.
在工业环境下钢筋混凝土板受到严重侵蚀,可采用结构胶泥找平后粘覆钢板进行加固。
Tests of concrete slab strengthened by steel plate with epoxy mortar leveling, adhesing and corering for structural behavior and tests of modified epoxy mortar for material behavior are carried out.
盐雾环境下,氯离子侵蚀是混凝土结构耐久性退化的主要原因。
Chloride ingress is the main reason for durability deterioration of reinforced concrete structures in salt-fog environment.
应用电化学阻抗谱和氯离子探针技术,研究在氯化物侵蚀作用下混凝土中钢筋的腐蚀行为。
Electrochemical impedance spectroscopy and chloride sensor were employed to study the corrosion behavior of reinforcing steel in concrete.
混凝土设计中存在最佳水泥用量,此用量时矿渣水泥混凝土抗侵蚀性最强。
In concrete design, there was an optimum cement content, in which the slag concrete had the best corrosion resistance.
应用线性极化法、交流阻抗法和时间电位法等电化学方法对普通混凝土和掺粉煤灰混凝土中钢筋耐海水侵蚀性能进行了研究。
Based on the method of linear polarization, AC impedance and time potential, it is studied that the properties of seawater corrosion resistance of rebar in normal concrete and fly ash concrete.
设计了一个BP神经网络网络模型来分析解决这一问题,研究处于硫酸盐侵蚀下混凝土结构使用寿命与环境侵蚀介质间的关系。
BP neural network model is designed to analyze and solve the problem, the relationship of operational life of concrete construction and environmental corrosion mediator.
在盐卤水中,混凝土一般不会发生冻融破坏,混凝土抗冻性取决于混凝土抗盐溶液化学侵蚀的性能。
In bittern solution, freezing thawing will not destroy all concretes, and the frost resistance of concrete is decided by the capability of concrete resisting to chemical corrosion.
钢筋混凝土的侵蚀多种多样,难以有统一的防止措施。
The cauterization of reinforced concrete is very various. Thers is no uniform measure at present.
分析结果表明,利用该方法可以比较准确地计算氯离子侵蚀环境下混凝土结构的耐久寿命。
The results show that the method proposed in this dissertation can calculate the durable life of reinforced concrete structures under chloride environment accurately.
多元灰预测模型呈现出较高的精度以预测硫酸盐侵蚀环境下混凝土的强度劣化规律和服役寿命。
Multivariate grey prediction model shows enough precision to predict the strength development and service life of concrete subjected to sulfate environment.
多元灰预测模型呈现出较高的精度以预测硫酸盐侵蚀环境下混凝土的强度劣化规律和服役寿命。
Multivariate grey prediction model shows enough precision to predict the strength development and service life of concrete subjected to sulfate environment.
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