人工ニューラルネットワークを用いた歴史的建造物の保存のための石造りのモルターの組成の決定

Filip Chyliński¹, Piotr Kupisz¹, Przemysław Więch¹

¹Instytut Techniki Budowlanej, Filtrowa Str. 1, 00-611 Warsaw, Poland.

Materials (Basel, Switzerland)

|August 28, 2025

まとめ

この研究では,人工ニューラルネットワーク (ANN) を使用して,石造りのモルターの組成とタイプを正確に決定します. この方法は,近代的な材料を用いた歴史的構造の保存レシピを作成するのに役立ちます.

科学分野:

材料科学
化学について
人工知能

背景:

建物のモルターは歴史的な建造物にとって重要です
モルターの正確な分析は効果的な保全に不可欠です
モルタルを近代的な素材で複製するのは難しいことです

研究の目的:

石造りのモルターの組成とタイプを決定するための新しい人工ニューラルネットワーク (ANN) の開発.
既存の原材料を使って,歴史的な石造りの保存のためのモルタルレシピの作成を可能にします.
保存用モルターがオリジナル製剤に似た性質を持つことを保証する.

主な方法:

既知の構成のセメント,石灰,およびセメント-石灰モルターのデータセットでANNを訓練する.
ANN分析の鍵となるモルタル特性を利用する:総孔性,特異密度,不溶性残留物,SiO2含量,CaO含量,Si/Ca比,圧縮強度.
モルターの組成を決定し,モルターの種類を分類するANNの正確性を検証する.

主要な成果:

ANNはモルターの構成を決定する際に5%未満の検証エラーを達成しました.
ANNはモルターの種類を 93%以上の正確さで分類しました.
この研究は,保存のための石材モルタルを分析する際にANNの有効性を確認しています.

結論:

人工ニューラルネットワークは石造りのモルタル分析の極めて正確な方法を提供します
ANNは,歴史的な構造におけるモルタルタイプと組成を特定するための貴重なツールです.
このアプローチは,遺産の保存に適したモルタルレシピの開発を容易にする.

キーワード:

人工ニューラルネットワーク構成石造りのモルタルマイクロ構造多孔性

さらに関連する動画

08:27

Author Spotlight: Efficient Image Recognition Using Directional Gradient Histogram Technique and Support Vector Machines

Published on: January 5, 2024

1.2K

05:38

Production and Analysis of Sporosarcina pasteurii Biocement Bricks Using Custom 3D-Printed Molds for Unconfined Compression Tests

Published on: March 7, 2025

444

関連する概念動画

01:17

Mortar Properties

187

Mortar properties encompass a range of characteristics crucial for construction and masonry work, including workability, water retention, bond strength, durability, compressive strength, volume change, and appearance. Workability refers to mortar's ability to be easily applied and manipulated without sagging or falling off surfaces, which is important for efficient masonry unit placement and alignment. Water retention is essential to prevent the mortar from losing moisture too quickly to...

187

01:29

Mortar

298

Mortar, a mixture of Portland cement, hydrated lime, sand, and water, is a crucial binding material in construction. Its primary function is to join masonry units together, filling gaps and ensuring a uniform distribution of weight across the structure. This helps in preventing potential weaknesses. Mortar also serves as a protective barrier against environmental elements such as water and wind, thereby safeguarding the interior of the structure. It also compensates for surface irregularities...

298

01:13

Mortar Joint Deterioration in Masonry

164

Mortar joint deterioration is a significant concern in masonry structures, with water accumulation in the joints leading to damage from freeze-thaw cycles. The repeated expansion of water during freezing and its melting during thawing develop and propagate cracks in the masonry joints. Eventually, this leads to the spalling of mortar from the joints, loosening masonry units and weakening the structure. The deteriorated mortar joints are also vulnerable to moisture intrusion into the walls.
The...

164

01:25

Mortar Joints in Brick Masonry

177

Mortar joints play a critical role in brick masonry, filling the spaces between brick to bind them together and provide structural integrity and strength. The thickness of these joints is variable, typically ranging from less than one-fourth inch to over half an inch, based on structural needs and specific applications.
The process of joint tooling is implemented as the mortar begins to harden. This technique involves compacting and shaping the mortar to enhance both the appearance and the...

177

01:28

Masonry

629

Masonry, known for its strength, durability, and aesthetic versatility, encompasses construction with solid stone or man-made units like bricks, clay tiles, terra cotta, and concrete blocks, combined to form structures like walls, floors, and arches. These units are placed in a systematic fashion, known as coursing, and are bound together using mortar—a mixture typically made of water, cement, and sand.
The process of building with masonry is hands-on and can be executed with basic tools....

629

01:18

Composite Masonry Walls

1.3K

Composite masonry walls combine multiple wythes of the same or different masonry materials to create a unified structure. These walls feature wythes that are bonded together either through mortar-filled collar joints, grouted spaces, or more commonly, with rigid metal ties and reinforcements, with the use of masonry header units being rare. Metal ties are preferred because they effectively minimize water penetration, as these walls primarily absorb moisture and then release it into the...