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Discriminant Deduction of Decomposable Corrosion pHs for Groundwater Acting on Concrete(PDF)

《地球科学与环境学报》[ISSN:1672-6561/CN:61-1423/P]

Issue:
2007年第03期
Page:
274-279
Research Field:
水资源与地质工程
Publishing date:

Info

Title:
Discriminant Deduction of Decomposable Corrosion pHs for Groundwater Acting on Concrete
Author(s):
LI Yun-fengWAN Wei-fengFU Xiao-gangguo Ting-tingHE Jian-junZHANG Xi-yu
School of Environmental Sciences and Engineering, Chang'an University, Xi'an 710054, Shaanxi, China
Keywords:
concrete decomposable corrosion corrosion index pHs corrosion discriminant division map
PACS:
P641
DOI:
-
Abstract:
There are two main limitations in current evaluation method of decomposable corrosion pHsfor groundwater acting on concrete, one is the decomposable corrosion pHsof different water samples without lateral comparability, and the other is that it can not be quantificationally drawn in the division map of decomposable corrosion pHs. A new discriminant sk1of decomposable corrosion pHsis deduced with the calculation process, which can well solve the calculation task of decomposable corrosion pHsfor groundwater acting on concrete. The calculation result not only has lateral comparability, but also has the ability of drawing the superposition map of synthetical evaluation of three decomposable corrosion pHsquantificationally. An example shows the shortage of current evaluation method, the discriminant and its feasibility of drawing the division map of decomposable corrosion quantificationally.

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