PREDICTING CHLORIDE PROFILES IN CONCRETE

被引:30
作者
BERKE, NS
HICKS, MC
机构
[1] W. R. Grace & Co-Conn, Cambridge, MA
关键词
BRIDGE DECKS; CALCIUM NITRITE; CHLORIDE; DIFFUSION; CONCRETE; INHIBITORS; LIFETIME PREDICTION; MARINE PILES; PARKING STRUCTURES; PROFILES; SILICA FUME; REINFORCING STEEL;
D O I
10.5006/1.3293515
中图分类号
T [工业技术];
学科分类号
08 ;
摘要
Laboratory studies were undertaken to compare chloride (Cl-) profile data to predictions obtained using ASTM C 1202 of Cl- diffusion into concrete. The effective diffusion coefficients (D(eff)) derived can be used to determine long-term Cl- profiles of concrete structures. Equations relating D(eff) with resistivity and permeability of concrete were developed. One- and two-dimensional models were used to determine Cl- profiles of Cl- ions entering concrete in structures such as square piles and decks.
引用
收藏
页码:234 / 239
页数:6
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