Prediction of Service Life and Evaluation of Probabilistic Life-Cycle Cost for Surface-Repaired Carbonated Concrete

生命周期评估 结构工程 工程类 生命周期成本分析 法律工程学 材料科学
作者
Hyung Min Lee,Han Seung Lee,Prannoy Suraneni,Jitendra Kumar Singh,Soumen Mandal
出处
期刊:Journal of Materials in Civil Engineering [American Society of Civil Engineers]
卷期号:32 (10) 被引量:5
标识
DOI:10.1061/(asce)mt.1943-5533.0003390
摘要

Concrete structures are economical and typically durable when exposed to a variety of environmental conditions. However, carbonation results in a reduction of the durability of reinforced concrete members because it damages the passive film surrounding the reinforcement, which accelerates corrosion processes and may ultimately lead to premature failure of the members. Predicting service life is complex because it depends strongly on changes in materials and environmental conditions. Existing carbonation models predict the service life based on deterministic theories. In this study, deterministic and probabilistic methods are applied to study concrete carbonation in the presence of repair materials using the maintenance periods and repair cost according to the coefficient of variation (COV) of the carbonation depth of each repair material. Water-based paint, organic alkaline inhibitor, inhibiting surface coating, and corrosion-inhibiting mortar (IM) were used as repair materials. An accelerated carbonation experiment using 20% CO2 was performed for 5 days, and then the repair materials were applied on the concrete surface. Then the samples were put back in the carbonation chamber and carbonation depth was measured after 7, 14, and 28 days. Based on the COV value, the carbonation depth and maintenance periods were predicted. These were used as parameters for the probabilistic life-cycle cost (LCC) model. Results showed that carbonation inhibition was best when the repair was done using IM. Cost results obtained from deterministic and probabilistic models were compared. When the probabilistic model is applied, the repair cost is evaluated as a curve, unlike with the deterministic model. The probabilistic model reduces the maximum cost by 50% compared to the deterministic model. As the COV decreased (indicating better quality concrete), the probabilistic model results approached those of the deterministic model evaluation.
最长约 10秒,即可获得该文献文件

科研通智能强力驱动
Strongly Powered by AbleSci AI
更新
PDF的下载单位、IP信息已删除 (2025-6-4)

科研通是完全免费的文献互助平台,具备全网最快的应助速度,最高的求助完成率。 对每一个文献求助,科研通都将尽心尽力,给求助人一个满意的交代。
实时播报
肖原完成签到,获得积分10
1秒前
woodword完成签到,获得积分10
1秒前
偷乐完成签到,获得积分10
1秒前
小胡完成签到 ,获得积分10
2秒前
强公子完成签到,获得积分10
2秒前
pebble完成签到,获得积分10
2秒前
重要的天寿完成签到 ,获得积分10
3秒前
李爱国应助hah采纳,获得30
4秒前
4秒前
michellewu完成签到,获得积分10
4秒前
瓜农完成签到,获得积分10
5秒前
槿裡完成签到 ,获得积分10
5秒前
yanmh完成签到,获得积分10
5秒前
小猫完成签到 ,获得积分10
6秒前
chen完成签到 ,获得积分10
8秒前
量子星尘发布了新的文献求助10
10秒前
Dan完成签到 ,获得积分10
11秒前
张康完成签到 ,获得积分10
11秒前
博修完成签到,获得积分10
11秒前
林大侠完成签到 ,获得积分10
11秒前
苗条的立果完成签到 ,获得积分10
12秒前
杨丽完成签到,获得积分10
12秒前
薛萌完成签到,获得积分10
14秒前
妍妍YRrrrrrrr完成签到,获得积分10
14秒前
TianFuAI完成签到,获得积分10
15秒前
Maria完成签到,获得积分10
16秒前
皮皮完成签到 ,获得积分10
17秒前
冷傲书雪完成签到 ,获得积分10
19秒前
hannah完成签到,获得积分10
19秒前
墨扬完成签到,获得积分10
20秒前
20秒前
孙sy完成签到 ,获得积分10
21秒前
凯卮完成签到,获得积分10
22秒前
慕青应助科研通管家采纳,获得10
22秒前
Ava应助科研通管家采纳,获得30
22秒前
科研通AI6应助科研通管家采纳,获得10
22秒前
菠萝吹雪完成签到,获得积分10
22秒前
科研通AI6应助科研通管家采纳,获得10
23秒前
丘比特应助科研通管家采纳,获得10
23秒前
Ava应助科研通管家采纳,获得10
23秒前
高分求助中
(应助此贴封号)【重要!!请各用户(尤其是新用户)详细阅读】【科研通的精品贴汇总】 10000
网络安全 SEMI 标准 ( SEMI E187, SEMI E188 and SEMI E191.) 1000
计划经济时代的工厂管理与工人状况(1949-1966)——以郑州市国营工厂为例 500
INQUIRY-BASED PEDAGOGY TO SUPPORT STEM LEARNING AND 21ST CENTURY SKILLS: PREPARING NEW TEACHERS TO IMPLEMENT PROJECT AND PROBLEM-BASED LEARNING 500
The Pedagogical Leadership in the Early Years (PLEY) Quality Rating Scale 410
Why America Can't Retrench (And How it Might) 400
Two New β-Class Milbemycins from Streptomyces bingchenggensis: Fermentation, Isolation, Structure Elucidation and Biological Properties 300
热门求助领域 (近24小时)
化学 材料科学 医学 生物 工程类 有机化学 生物化学 物理 纳米技术 计算机科学 内科学 化学工程 复合材料 物理化学 基因 催化作用 遗传学 冶金 电极 光电子学
热门帖子
关注 科研通微信公众号,转发送积分 4613473
求助须知:如何正确求助?哪些是违规求助? 4018149
关于积分的说明 12437211
捐赠科研通 3700700
什么是DOI,文献DOI怎么找? 2040870
邀请新用户注册赠送积分活动 1073600
科研通“疑难数据库(出版商)”最低求助积分说明 957258