相关实验视频

Updated: Jan 12, 2026

Preparation of Aligned Steel Fiber Reinforced Cementitious Composite and Its Flexural Behavior
11:07

Preparation of Aligned Steel Fiber Reinforced Cementitious Composite and Its Flexural Behavior

Published on: June 27, 2018

11.6K

新的策略,以提高拉皮拼接钢筋混凝土梁的行为,以减轻故障风险

Sabry Fayed1, Moataz Badawi2, Mohamed Ghalla3

  • 1Civil Engineering Dept, Faculty of Engineering, Kafrelsheikh University, Kafrelsheikh, Egypt. sabry_fayed@eng.kfs.edu.eg.

Scientific reports
|November 1, 2025
PubMed
概括

这项研究使用外部后拉伸钢筋 (EPTR),近表面安装 (NSM) 和应变硬化水泥复合材料 (SHCC) 加强增强钢筋混凝土 (RC) 梁,使用短拼接. 这些方法显著提高了RC梁的负载能力,偏移和柔性.

关键词:
在安克雷奇,安克雷奇.纽带强度 纽带强度 纽带强度建筑风险 建筑风险 建筑风险拉皮拼接 拉皮拼接在表面附近安装.紧张后的情况在RC光束中使用RC光束.应变硬化水泥复合材料的应变硬化

更多相关视频

Installation Method to Enhance Quality Control for Fiber Reinforced Polymer Spike Anchors06:21

Installation Method to Enhance Quality Control for Fiber Reinforced Polymer Spike Anchors

Published on: April 10, 2018

7.4K
Cutting Procedures, Tensile Testing, and Ageing of Flexible Unidirectional Composite Laminates07:53

Cutting Procedures, Tensile Testing, and Ageing of Flexible Unidirectional Composite Laminates

Published on: April 27, 2019

8.7K

相关概念视频

Design Example: Distributing Reinforcements in Concrete Sections01:22

Design Example: Distributing Reinforcements in Concrete Sections

The topic explores the practical aspects of adjusting steel reinforcements within a concrete beam section to meet specific design requirements. When designing a reinforced concrete beam, it is essential to distribute the steel reinforcements properly to ensure structural integrity and efficiency. The example provided details a scenario where a beam requires a total steel cross-section of 4 square inches. The engineer identifies that the available steel bars have a nominal diameter of 1.693...
250
Reinforcements in Concrete01:25

Reinforcements in Concrete

Reinforced concrete is a composite material used extensively in construction, combining the compressive strength of concrete with the tensile strength of steel. This synergy is essential as concrete, while excellent at resisting compression, is weak under tension. Steel bars, or rebars, are embedded in the concrete to handle these tensile forces. The choice of steel is strategic; it shares a similar coefficient of thermal expansion with concrete, which ensures uniformity in response to...
416
Tensile Strength Considerations of Concrete01:16

Tensile Strength Considerations of Concrete

Considering the tensile strength of concrete involves recognizing that the theoretical strength of cement paste can be up to a thousand times higher than what is observed in practical applications. This significant discrepancy is largely attributed to the presence of microscopic cracks within the concrete. These cracks tend to amplify stress at their tips when a load is applied, a phenomenon explained by Griffith's theory of brittle fracture.
The dimensions and shape of a concrete specimen...
491
Fiber Reinforced Concrete01:22

Fiber Reinforced Concrete

Fiber-reinforced concrete significantly enhances the structural and nonstructural properties of traditional concrete by incorporating fibers like steel, glass, and polymers. These fibers, varying from natural ones such as sisal and cellulose to manufactured ones like polypropylene and Kevlar, are mixed into hydraulic cement with aggregates. Steel fibers, often preferred for their robustness, contribute to improved ductility, toughness, and post-cracking performance. The concrete is classified...
322
Design of Prismatic Beams for Bending01:23

Design of Prismatic Beams for Bending

The design of prismatic beams, structural elements with a uniform cross-section, focuses on ensuring safety and structural integrity under load. The design process begins by determining the allowable stress, either from material properties tables, or by dividing the material's ultimate strength by a safety factor. This safety factor is essential for accommodating uncertainties, and varies depending on the material—timber, steel, or concrete—with each having unique strength and...
598
Prestressed Concrete01:20

Prestressed Concrete

Prestressed concrete is a construction technique designed to enhance the strength and durability of concrete structures. This method involves the application of a pre-set tension to high-strength steel strands used as reinforcement before the concrete is subjected to its working loads. The primary aim of prestressing is to place the concrete in a state of compression, in order to counteract the tensile forces it will experience in service. This pre-compression helps prevent crack formation in...
732