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What are the most effective methods for preventing or repairing spalling on decorative surfaces on external walls? 

Piecewise linear function
Feature extraction
Image texture
Bond strength
Stochastic gradient descent
Best insight from top research papers

Preventing or repairing spalling on decorative surfaces on external walls can be effectively achieved through various methods. One approach involves automatic detection of spalled areas using image texture computation and pattern recognition. Additionally, utilizing advanced repair materials like free flowing self compacting mortar (FFSCM) or polymer modified cementitious mortar (PMCM) can restore structural integrity and protect reinforcements from further deterioration. Furthermore, employing surface treatments such as sandblasting and phosphoric acid (PA) etching can enhance repair bond strength of composite resins, contributing to effective restoration of decorative elements. These methods collectively offer a comprehensive strategy for both preventing and repairing spalling on decorative surfaces on external walls.

Answers from top 5 papers

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Papers (5)Insight
Open access•Journal Article•DOI
Effects of three surface conditioning techniques on repair bond strength of nanohybrid and nanofilled composites.
Negin Nassoohi, Haleh Kazemi, Morad Sadaghiani, Mona Mansouri, Vahid Rakhshan 
01 Nov 2015-Dental research journal
26 Citations
Not addressed in the paper.
Open access•Journal Article
Structural performance of reinforced concrete beams repairing from spalling
Mohd Zamin Jumaat, Kabir, M. Obaydullah 
01 Jan 2010-European journal of scientific research
4 Citations
Not addressed in the paper.
Open access•Journal Article•DOI
Automatic Detection of Concrete Spalling Using Piecewise Linear Stochastic Gradient Descent Logistic Regression and Image Texture Analysis
Nhat-Duc Hoang, Quoc-Lam Nguyen, Xuan-Linh Tran 
16 Jul 2019-Complexity
34 Citations
The study proposes automatic detection of concrete spalling using image texture analysis and piecewise linear stochastic gradient descent logistic regression, offering an effective method for early detection and maintenance.
Open access•Journal Article•DOI
A NURBS-based solid modeling to enhance rapid prototyping in the restoration of decorative elements
Michele Calì, Salvatore Massimo Oliveri, Placido Calì, Rita Ambu 
01 Mar 2021-International Journal on Interactive Design and Manufacturing (ijidem)
1 Citations
NURBS-based solid modeling and tolerance analysis are effective methods for restoring decorative elements, preventing spalling on external walls through accurate reconstruction and precision prediction.
Open access•Journal Article
Exterior insulation and finishing systems
H.Ravi Kumar, K V R Prasad, Anitha J, N.Tamil Selvi 
01 Sep 2021-Journal of emerging technologies and innovative research
1 Citations
Waterproofing compounds, plaster drains, and eco-friendly materials aid in preventing spalling on external walls. Proper insulation and finishing systems with crack-free, durable components enhance structural longevity.

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