本文通过22根钢筋混凝土受弯构件的试验,探讨了混凝土保护层厚度对裂缝间距和裂缝宽度的影响。
In this paper, according to the experimental results of 22 beams, we probe into the influence of concrete cover thickness on crack width and crack spacing.
研究了混凝土保护层胀裂时及胀裂前锈蚀对无横向约束光圆钢筋混凝土试件粘结性能的影响机理。
The effect of corrosion on the bond between concrete and plain bar reinforcement without stirrups is studied during cover cracking and before cover cracking.
钢筋腐蚀是造成水运工程钢筋混凝土破损的主要原因之一,混凝土保护层是保证钢筋延迟开始腐蚀的重要屏障。
Corrosion of reinforcement is one of the main causes of damage of reinforced concrete of maritime works, and protective cover is an important mean for deferring corrosion of reinforcement.
通过对三块钢筋锈蚀槽板的荷载试验结果的分析,探讨了钢筋锈蚀和混凝土保护层脱落后的槽板承载力及破坏形态。
By analysis on testing for three trough-form slabs with corroded steel bar, bearing capacity and destroying status of trough-form slabs were approached.
在建筑施工中,喷制混凝土常用于钢筋和钢筋网结构的保护层。
For structural uses, shotcrete is usually sprayed over a framework of reinforcing bars and steel mesh.
分析了影响混凝土保护层胀裂时钢筋锈蚀深度的各个因素,包括混凝土水泥石毛细孔的体积、混凝土保护层的厚度、钢筋直径和铁锈膨胀率。
The factors influencing the corrosion depth including the porous volume of concrete, thickness of concrete cover, diameter of rebar and the corrosion expansion rate are analyzed.
同时钢筋直径对钢筋锈胀力的影响程度要大于混凝土保护层厚度的影响。
The influence of abr diameter is stronger than the thickness of concrete protective covering layer.
通过试验,研究混凝土强度、氯离子含量、钢筋保护层厚度和外部湿度对混凝土中钢筋腐蚀的影响。
Influence on reinforcing steel corrosion was studied based on test, considered concrete strength, chlorion content, cover depth and outer moisture.
为了对钢筋混凝土结构的耐久性全寿命进行评估,研究了保护层混凝土锈胀裂缝的扩展及过程。
To evaluate the full-span durability life of reinforced concrete structure, the expanding process of corrosive crack in protective layer concrete is studied in this paper.
从混凝土碳化深度、保护层厚度和钢筋锈蚀三方面调查研究了重庆地区混凝土结构耐久性的现状。
The durability status of concrete structures in Chongqing is discussed based on the analysis of the depth of concrete carbonization and the thickness of concrete cover and reinforcement corrosion.
混凝土保护层孔隙水饱和度是混凝土结构钢筋腐蚀寿命预测模型的关键参数。
Correlation between relative humidity and degree of capillary saturation derived in the laboratory is not suitable to the service life prediction.
混凝土构件钢筋保护层的检验是检验批验收的一项主要内容。
The inspection of steel bar protection layer in concrete components, however, is one of the main steps of inspection lot acceptance.
根据有限元分析的结果,对混凝土保护层锈蚀胀裂破坏的弹性力学模型进行修正,建立了混凝土保护层锈蚀胀裂时钢筋锈蚀量的计算模型。
According the result of ANSYS analysis, a new model based elasticity mechanics is developed for calculating the corrosion loss that need for concrete cover cracking.
经现场结构检测与环境分析,发现混凝土保护层的施工质量及偏差是引起目前钢筋腐蚀的主要原因。
According to field structural testing and environmental analysis, the main factor, which causes reinforcement corrosion, is due to construction quality of concrete protection layer.
利用有限元软件ANSYS建立考虑箍筋间距、直径变化的钢筋混凝土构件锈胀裂分析模型,研究箍筋对纵筋锈蚀导致钢筋混凝土构件保护层胀裂的影响。
Considering the change of the spacing and diameter of stirrups, a corrosion-induced cracking module for concrete members is built by ANSYS.
钢筋的防腐取决于的钢筋密度,质量和混凝土保护层的厚度(见4.4)以及裂缝(见7.3)。
Corrosion protection of steel reinforcement depends on density, quality and thickness of concrete cover (see 4.4) and cracking (see 7.3).
通过试验,研究混凝土强度、氯离子含量、钢筋保护层厚度和外部湿度对混凝土中钢筋腐蚀的影响。
Study on Volume Deformation of Steel Tube Confined Concrete Based on the Adjustment of Internal Relative Humidity;
通过试验,研究混凝土强度、氯离子含量、钢筋保护层厚度和外部湿度对混凝土中钢筋腐蚀的影响。
Study on Volume Deformation of Steel Tube Confined Concrete Based on the Adjustment of Internal Relative Humidity;
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