使用织物增强的Sarooj砂加强石头造墙壁的柔性增强
Abdullah Hilal Al-Saidy1, Manal Al-Busaidi2, Sherif El-Gamal1
1Department of Civil and Architectural Engineering, Sultan Qaboos University, Muscat 123, Oman.
Materials (Basel, Switzerland)
|August 26, 2023
概括
这项研究测试了对古老的阿曼石头建筑物的新增强固方法. 应用基岩织物增强的sarooj砂 (TRM) 显著提高了墙壁的强度和对抗平面外曲的变形能力.
科学领域:
- 土木工程 土木工程是指土木工程.
- 材料科学 材料科学 材料科学
- 结构工程 结构工程
背景情况:
- 奥曼的历史建筑主要使用非钢筋的石头造.
- 这些结构因老化,环境因素和维护不足而面临恶化.
- 对于现有的造遗产,需要有效的强化方法.
研究的目的:
- 调查阿曼当地建筑材料的特性.
- 实验评估一项创新的强化技术,用于未强化的墙.
- 为了评估基岩织物增强的sarooj砂 (TRM) 在外平面增强的有效性.
主要方法:
- 描述当地建筑材料的物理,化学和机械性能.
- 在石墙样本 (1000x2000x350毫米) 上进行实验性平面外曲试验.
- 一个未经增强的标本与三个TRM增强的标本进行比较.
主要成果:
- 强化样本对平面外曲时刻的抗力是2.5到3倍 (160-233%的增加).
- 用TRM增强的墙壁承受了较高的变形 (偏移) 20-130%.
- 基岩织物增强的sarooj砂被证明是有效的,并且与现有的造材料兼容.
结论:
- 织物增强的sarooj砂 (TRM) 技术是加强现有非增强石头墙的可行解决方案.
- 这种创新方法提高了遗产结构的承载能力和可变形性.
- 使用sarooj等本地材料可以确保保护工作的兼容性和潜在的可持续性.
相关概念视频
Reinforced Brick Masonry
1.1K
Reinforced brick masonry is an advanced construction technique that enhances the structural integrity of brick walls by incorporating steel reinforcements. These reinforcements are either placed within the hollow cores of bricks or sandwiched between two layers of masonry, known as wythes, and are then secured in place with grout. Grout is a fluid mixture composed of Portland cement, aggregate, and water, providing the necessary bonding agent for the steel and brick.
To fortify brick walls...
To fortify brick walls...
1.1K
Posttensioned Masonry Walls
170
Post-tensioned masonry walls use high-strength steel rods or flexible tendons to enhance the strength and efficiency of masonry structures. These elements are securely anchored to the foundation and extend vertically either within the cores of the masonry units or between the masonry wythes. The construction process involves building the wall with these tensioning elements in place and allowing the mortar to fully cure.
Following the curing process, the tensioning begins. Steel rods are...
170
Mortar Joints in Brick Masonry
139
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...
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...
139
Composite Masonry Walls
1.2K
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...
1.2K
Mortar Joint Deterioration in Masonry
137
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...
The...
137
Masonry
515
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....
The process of building with masonry is hands-on and can be executed with basic tools....
515


