相关实验视频

Updated: Jun 5, 2025

Two-way Valorization of Blast Furnace Slag: Synthesis of Precipitated Calcium Carbonate and Zeolitic Heavy Metal Adsorbent
11:14

Two-way Valorization of Blast Furnace Slag: Synthesis of Precipitated Calcium Carbonate and Zeolitic Heavy Metal Adsorbent

Published on: February 21, 2017

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有效地利用废弃钻井泥来准备用飞灰/渣基地质聚合物稳定材料,用于下层工程

Peng Zhang1, Yifan Mao2, Zhen Gao2

  • 1School of Water Conservancy and Transportation, Zhengzhou University, Zhengzhou, Henan, 450001, China; State Key Laboratory of Tunnel Boring Machine and Intelligent Operations, Zhengzhou, Henan, 450001, China.

Journal of environmental management
|December 6, 2024
PubMed
概括

这项研究表明,地质聚合物稳定废弃钻井泥有效地产生环保的道路基材. 增加渣含量可以提高机械性能,而所有配方都符合路面耐用性标准.

关键词:
耐用性 耐用性 耐用性地质聚合物的地质聚合物.机械性质 机械性质道路基础建设工程的建设.废弃物钻井泥土的废弃物

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Pozzolans01:21

Pozzolans

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Superplasticizers01:30

Superplasticizers

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Design Example: Managing Concrete Workability01:14

Design Example: Managing Concrete Workability

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.
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Types of Cement II01:22

Types of Cement II

Portland blast-furnace cement is made by blending Portland cement clinker with granulated blast-furnace slag, which accounts for 25 to 65 percent of the cement's weight. Despite its similarities to ordinary Portland (Type I) cement in terms of fineness and setting times, its early strength is lower, though it achieves comparable strength later on. It's particularly suited for mass concrete structures and marine environments due to its lower heat of hydration and superior sulfate...
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Additives and Fillers in Concrete01:29

Additives and Fillers in Concrete

Additives and fillers are integral to enhancing the properties of concrete. Pozzolans and blast-furnace slag are additives or admixtures due to their reactions with calcium hydroxide released during cement hydration. Fillers, which are finely ground and similar in fineness to Portland cement, improve concrete attributes such as workability density, and reduce capillary bleeding or cracking. Some fillers possess hydraulic properties or participate in benign reactions within the cement paste.
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Design Example: Aggregate Gradation01:24

Design Example: Aggregate Gradation

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