Related Experiment Video

Updated: Apr 27, 2026

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

13.7K

Valorization of unauthorized sea disposal dredged sediments as a road foundation material

Raouf Achour, Nor-Edine Abriak, Rachid Zentar

    Environmental Technology
    |June 25, 2014
    PubMed

    More Related Videos

    A Flow-through Exposure System for Evaluating Suspended Sediments Effects on Aquatic Life12:15

    A Flow-through Exposure System for Evaluating Suspended Sediments Effects on Aquatic Life

    Published on: January 9, 2017

    8.0K
    Sampling, Sorting, and Characterizing Microplastics in Aquatic Environments with High Suspended Sediment Loads and Large Floating Debris05:31

    Sampling, Sorting, and Characterizing Microplastics in Aquatic Environments with High Suspended Sediment Loads and Large Floating Debris

    Published on: July 28, 2018

    15.7K

    Related Concept Videos

    Deleterious Substances in Aggregate01:25

    Deleterious Substances in Aggregate

    Deleterious substances in aggregates can be detrimental to the quality and durability of concrete. These substances include organic impurities like loam, which interfere with cement hydration and are usually present in the sand. These prevent a good bond between aggregate and cement paste. Organic impurities can be detected using the colorimetric test, where the darkness of a solution after agitation indicates the level of organic content.
    Another type of impurity is clay and fine material that...
    866
    Design Example: Maintaining Level of an Embankment01:19

    Design Example: Maintaining Level of an Embankment

    Constructing a roadway embankment over uneven terrain requires precise leveling to ensure stability and proper drainage. Surveyors use a leveling instrument and staff to calculate ground elevations and determine the required fill material at each point along the embankment alignment.The process begins by positioning a leveling instrument near a benchmark with a known elevation. A backsight reading establishes the instrument height, which serves as a reference for subsequent measurements. A...
    546
    Effect of Sea Water on Concrete01:22

    Effect of Sea Water on Concrete

    Concrete exposed to seawater can undergo degradation like the dissolution of ettringite and gypsum, increasing the material's porosity and decreasing its strength. In contrast, the crystallization of salts within the concrete's pores can cause expansion, particularly above the waterline where evaporation occurs. Nonetheless, this expansion only happens when seawater, enabled by the concrete's permeability, manages to infiltrate the structure.
    Concrete in areas between tide marks,...
    1.4K
    Preplaced Aggregate Concrete01:29

    Preplaced Aggregate Concrete

    Preplaced aggregate concrete is ideal for construction environments that are not easily accessible. The process begins by properly wetting the gap-graded coarse aggregates to remove the dirt, then placing it in the form and compacting it. Voids are filled with a mortar mix pumped under pressure through slotted pipes. This mortar typically consists of Portland cement, pozzolan, fine aggregates, water, and a fluidizing aid. The pozzolan helps reduce bleeding and segregation while improving the...
    501
    Segregation in Fresh Concrete01:16

    Segregation in Fresh Concrete

    Segregation in fresh concrete is a phenomenon where the components of the concrete mix separate, leading to uneven distribution and compromised structural integrity. This separation typically occurs when concrete is subjected to excessive horizontal movement within forms, or when it is dropped from considerable heights or forced through narrow, winding paths. As a result, heavier coarse aggregate particles settle at the bottom, while lighter, finer materials such as cement and water rise to the...
    1.3K
    Design Example: Aggregate Gradation01:24

    Design Example: Aggregate Gradation

    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...
    467