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相关概念视频

Design Example: Sustainability in Concrete Building01:26

Design Example: Sustainability in Concrete Building

229
As the construction industry moves towards more eco-friendly practices, concrete's adaptability and its ability to incorporate sustainable features make it a key material in the drive towards greener building solutions.
There are multiple approaches to achieve sustainability in a commercial concrete building. For instance, construct a concrete parking area under the building, utilizing pervious concrete paver blocks in open areas to facilitate rainwater collection through an underground...
229
Design Example: Joints in Concrete Pavements01:28

Design Example: Joints in Concrete Pavements

270
Concrete pavement joints are essential for maintaining the structural integrity and longevity of pavement by controlling where and how the pavement cracks. These joints can be categorized based on their functions, such as contraction or control joints, construction joints, isolation joints, and expansion joints.
Contraction joints are typically formed by sawing a groove into the concrete shortly after it has hardened. This creates a weakened vertical plane, deliberately encouraging cracking at...
270
Masonry Paving01:21

Masonry Paving

297
The construction of masonry paving involves using materials such as bricks, stones, and concrete masonry units. These materials are chosen for their shape, color, strength, and resistance to abrasion and weathering. Masonry units can be installed dry on a thin layer of sand and a gravel base, or they can be embedded in mortar or asphalt on a concrete slab. For areas subjected to heavy vehicular loads, a rigid base layer of reinforced or unreinforced concrete is recommended. In contrast,...
297
Design Example: Managing Concrete Workability01:14

Design Example: Managing Concrete Workability

123
This example deals with managing the workability of concrete for a raft foundation project under hot weather conditions. Workability is crucial for ensuring the concrete is easy to place, compact, and finish. In this scenario, a slump test — a common method to measure the workability of fresh concrete — initially indicated low workability. This was attributed to the rapid water loss from the concrete mix, exacerbated by the high temperatures causing the course aggregates to heat up.
123
Design Example: Aggregate Gradation01:24

Design Example: Aggregate Gradation

151
The right type and quality of aggregates are crucial for concrete as they significantly influence its properties, mix proportions, and cost-effectiveness. If different sources are available for sand, the commonly used fine aggregate in concrete, the selection of sand is primarily based on its gradation.
The grading, or particle-size distribution, of sand is determined using sieve analysis, with standard sizes ranging from 150 μm to 10 mm (ASTM No. 100 sieve to 3⁄8 in. sieve). Sand is...
151
Fatigue Strength of Concrete01:22

Fatigue Strength of Concrete

289
Fatigue, in the context of materials science and engineering, refers to the weakening or failure of a material caused by repeatedly applied loads, even if these loads are below the strength limit of the material. Fatigue strength in concrete is a critical property that influences its durability and longevity. Concrete can fail in two ways due to fatigue. Static fatigue or creep rupture occurs under a constant load or one that increases slowly. The other failure mode is due to cyclical or...
289

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Advanced Self-Healing Asphalt Reinforced by Graphene Structures: An Atomistic Insight
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可持续路面材料:设计,应用和性能评估

Jiaqi Chen1

  • 1Department of Civil Engineering, Central South University, Changsha 410075, China.

Materials (Basel, Switzerland)
|June 27, 2025
PubMed
概括

路面的可持续性在路面的整个生命周期中平衡环境,经济和社会因素. 材料选择对于耐用性,资源效率,安全性和维护至关重要.

科学领域:

  • 路面工程工程的路面工程.
  • 可持续发展的基础设施发展.
  • 土木工程 土木工程是指土木工程.

背景情况:

  • 路面可持续性包括整个路面生命周期的环境,经济和社会方面.
  • 材料选择对路面的耐用性,资源效率,安全性和维护要求产生重大影响.

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