Definition

1. Noun:
   • Crushed stone / Gravel: Small, loose fragments of rock, typically produced by mechanically crushing larger stones or occurring naturally. It is a common construction material.
   • Stone chips / Debris: Small pieces of broken rock, often as a result of demolition, natural erosion, or quarrying.

Usage Examples

• Noun:
  • Công nhân rải một lớp đá vụn xuống nền đường trước khi đổ nhựa. (Workers spread a layer of crushed stone on the roadbed before pouring asphalt.)
  • Sau vụ nổ, mặt đất phủ đầy đá vụn. (After the explosion, the ground was covered in stone debris.)
  • Họ sử dụng đá vụn để làm nền móng cho công trình. (They use gravel for the foundation of the construction.)

Advanced Usage

• "đá vụn cấp phối": Graded aggregate. This refers to crushed stone that has been sorted into specific size ranges for engineering purposes.
  • Bản vẽ yêu cầu sử dụng đá vụn cấp phối loại 1x2. (The blueprint requires the use of type 1x2 graded aggregate.)

Variants and Related Words

• Sỏi (n): Gravel, pebbles. Often refers to naturally rounded, water-worn stones, typically larger and smoother than đá vụn.

  • Bờ sông có rất nhiều sỏi. (The riverbank has a lot of pebbles.)

• Đá dăm (n): Coarse aggregate, crushed rock. Similar to đá vụn but often implies a specific, larger grade used in concrete.

  • Đá dăm là thành phần chính của bê tông. (Coarse aggregate is the main component of concrete.)

Synonyms

• Gravel: A natural mixture of rock fragments.
• Crushed stone: Mechanically broken rock fragments.
• Rubble: Broken pieces of stone, brick, or other building material, especially from demolition.

Related Contexts

• Construction Material: is fundamental for creating road bases, drainage layers, and concrete.
• Landscaping: Used in decorative pathways, driveways, and garden beds.
• Geology: Refers to the loose, fragmented rock material (regolith) covering bedrock.