文献类型：期刊文献

英文题名：Predicting method for time-dependent concrete carbonation depth (I): Traditional model and its error distribution

作者：Shu, Zhijian[1]; Wang, Wei[2]; Cheng, Chunyang[2]; Tang, Xiaocui[1]

机构：[1] School of Engineering, Lishui University, Lishui, China; [2] School of Engineering, Shaoxing University, Shaoxing, China

年份：2013

卷号：18 L

起止页码：2309

外文期刊名：Electronic Journal of Geotechnical Engineering

收录：EI(收录号：20133516684008)

语种：英文

外文关键词：Civil engineering - Compressive strength - Concretes - Mathematical models

外文摘要：Carbonation of concrete is one important subject in civil engineering because it is harmful to compressive strength and durability of corresponding structures such as subways, buildings and bridges. It is of great importance to properly understand its mechanism and developing process. In this paper, main influencing factors of concrete carbonation are discussed. Traditional mathematical models to predict time-dependent carbonation depth based on Fick's first law of diffusion are classified and generalized. Three sets investigated data are used to verify the applicability and accuracy of the generalized k-0.5 model and its fitted error distribution. Finally, common shortcoming and its essential reason of the k-0.5 model are proclaimed. ? 2013, EJGE.