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Related Concept Videos

Hydration of Cement01:24

Hydration of Cement

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Hydration of cement is a chemical reaction between cement particles and water. This process occurs primarily through two mechanisms: through-solution and topochemical. In the through-solution process, anhydrous compounds dissolve into their constituents, hydrates form in the solution, and then precipitate from the supersaturated solution. The topochemical process involves solid-state reactions at the cement particle surface. The through-solution process dominates the topochemical process at the...
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Soundness of Cement01:17

Soundness of Cement

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The soundness of cement refers to the ability of cement paste to retain its volume after setting. Unsound cement can lead to expansion and structural damage due to the presence of free lime, magnesia, and calcium sulfate. Free lime hydrates very slowly, expanding and causing unsoundness, which is difficult to detect because it intercrystallizes with other compounds. Magnesia also reacts with water, forming crystals that can disrupt the cement's structure. Calcium sulfate can create...
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Burn Injuries01:22

Burn Injuries

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Burn injuries occur when the skin and underlying tissues are damaged due to exposure to heat, electricity, chemicals, radiation, or friction. They can vary in severity, from minor superficial burns to severe deep burns that can be life-threatening.
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Portland Cement01:21

Portland Cement

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Portland cement is the essential binding ingredient in concrete, made from finely ground materials including lime, iron, silica, and alumina. Lime is derived primarily from limestone, marble, marl, seashells, and clays, which also supply iron and alumina, while silica is sourced from sand, chalk, and bauxite. Contemporary manufacturing of Portland cement is a significant source of carbon dioxide emissions, prompting research into reducing its content in concrete through alternative...
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Fineness of Cement01:15

Fineness of Cement

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The fineness of cement directly influences the rate of hydration, as the hydration begins at the surface of the cement particles. In addition to hydration, the fineness of cement is vital for various properties of concrete including workability, gypsum requirement, and long-term behavior. The fineness of cement is represented in terms of the specific surface of cement which is typically measured in square meters per kilogram, with several methods available for this determination.
Direct...
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Strength of Cement01:20

Strength of Cement

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Strength tests for cement are not performed directly on neat cement paste due to difficulty in obtaining consistent, reliable specimens. Instead, cement is typically tested in the form of cement-sand mortar.
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A Murine Model of a Burn Wound Reconstructed with an Allogeneic Skin Graft
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[Wet cement skin burns].

Z H Long1, W G Xie

  • 1Department of Burns & Skin Wounds Repair Center, Tongren Hospital of Wuhan University & Wuhan Third Hospital, Wuhan 430060, China.

Zhonghua Shao Shang Za Zhi = Zhonghua Shaoshang Zazhi = Chinese Journal of Burns
|April 3, 2018
PubMed
Summary
This summary is machine-generated.

Wet cement causes insidious alkaline skin burns, often full-thickness injuries to lower limbs. Early awareness and prevention are crucial for managing these underestimated chemical burns.

Keywords:
Burns, chemicalSkinWet cement

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Area of Science:

  • Occupational Health
  • Dermatology
  • Toxicology

Background:

  • Wet cement poses a significant risk for chemical burns due to its alkaline nature.
  • These alkaline burns are often insidious, with delayed symptom onset, leading to underestimation of their severity.
  • Full-thickness burns are common, particularly affecting weight-bearing areas like knees, lower limbs, and ankles.

Purpose of the Study:

  • To comprehensively review the definition, occurrence, and pathogenesis of wet cement skin burns.
  • To outline the clinical characteristics, diagnosis, and effective treatment strategies for these injuries.
  • To emphasize the importance of prevention methods for wet cement-induced burns.

Main Methods:

  • Literature review of existing studies on wet cement burns.
  • Analysis of clinical case reports and epidemiological data.
  • Synthesis of information on burn progression, injury mechanisms, and treatment outcomes.

Main Results:

  • Wet cement burns are alkaline in nature and often present with delayed symptoms.
  • Full-thickness injuries are prevalent, especially on the lower extremities.
  • The true prevalence of these burns is likely underestimated in current data.

Conclusions:

  • Wet cement burns represent a serious occupational and public health concern.
  • Understanding the insidious nature and specific injury patterns is key to diagnosis and treatment.
  • Enhanced prevention strategies are essential to reduce the incidence of these preventable injuries.