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.
钢筋保护层垫块主要用于高速铁路、高速公路、桥梁、机场、码头、楼房等多项工程建设。
Reinforced protective cushion block is mainly used for high speed railway, highway, Bridges, airports, wharf, buildings, etc. Several engineering construction.
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.
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;
本文结合对大量工程结构实体钢筋保护层厚度的监督检测，对开展这项工作中存在的一些问题进行探讨，并提出了一些建议。
The problem existed in many supervision and test for the thickness of protection layer for steel bar in engineering structure body are approached and some suggestion are proposed in this paper.
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.
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.
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.
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.
根据拔出试件的试验结果，研究了保护层厚度、锚固长度、钢筋直径及钢筋表面形状这些参数对粘结锚固性能的影响。
Based on the results of the pullout tests, the influences of the thickness of UHTCC cover, anchorage length, bar diameter and the shape of bars surface on anchorage behavior is studied.
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.
分析其原因，首先是钢筋锚固长度不够，未能伸入到支座核心区而位于保护层内，其锚固是不可靠的；
One is anchored length is short, so the bars cannot dip in the center area of support. This cause unreliable anchoring.
保护层厚度不够导致钢筋外露引起锈蚀，降低了桥梁的耐久性；
Secondly , protective layer thickness is too thin to protect concrete reinforced bar and reduce durability.
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.
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.
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.
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.
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).
因为保护层过大，钢筋网起不到抗裂作用，保护层过小，容易引起桥面铺装裂缝。
Because the protective layer is too large, the steel mesh can not play the role of anti crack, the protective layer is too small, easy to cause the cracks in the bridge deck pavement.
钢筋腐蚀将导致钢筋体积大大增加，混凝土保护层开裂、剥落，结构承载力下降，甚至倒塌。
The sensor construction is that one Bragg grating is stuck on the inner center of two bars against each other, and the reinforcement volume as well as the diameter will expand due to corrosion.
此外，分析了钢筋直径、钢筋间距和保护层厚度对保护层破坏模式的影响。
In addition, the influences of the diameter and spacing of reinforcing steel bars and the thickness of covers on the failure modes of the concrete covers were evaluated.
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.
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.
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