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manhole    音标拼音: [m'ænh,ol]
n. 人孔

人孔

manhole
n 1: a hole (usually with a flush cover) through which a person
can gain access to an underground structure

Manhole \Man"hole`\, n.
A hole through which a man may descend or creep into a drain,
sewer, steam boiler, parts of machinery, etc., for cleaning
or repairing.
[1913 Webster]


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  • What is a Manhole- Function, Construction, Materials, and Types of . . .
    A manhole is an opening in a street or sidewalk that provides access to an underground utility or infrastructure, typically a sewer, storm drain, or utility vault It is usually covered with a heavy metal lid that can be removed to allow entry for maintenance or inspection purposes
  • Types of Manholes - Civil Engineer Mag
    In this article, we will discuss the various types of manholes, materials used in manhole construction, the purpose of manholes, and types of manhole covers What is Manhole? A manhole, also known as a utility hole or maintenance hole, is a covered opening in a road or sidewalk that provides access to underground utilities such as sewage
  • Manhole - Wikipedia
    A manhole (utility hole, maintenance hole, [1] or sewer hole) is an opening to a confined space such as a shaft, utility vault, or large vessel Manholes, typically protected by a manhole cover, are often used as an access point for an underground public utility, allowing inspection, maintenance, and
  • What is a Manhole and Why Is It Important? - AA - Architecture Adrenaline
    A manhole is a vertical shaft or opening in the ground that provides access to underground utility networks like sewer lines, storm drains, and telephone cables Manholes are typically covered with a lid made of metal or concrete, which can be removed to allow workers to enter the space below
  • Manhole (Types, Purpose, Construction, Applications) - To Civil
    Man-holes are typically covered with a lid or cover to prevent unauthorized access and protect utility systems from external elements They are commonly used for underground utilities’ maintenance, inspection, and repair Man-holes is made of various materials, such as cast iron, concrete, or brick
  • Sewer Basics: Parts of a Manhole - Wincan
    Manholes give personnel and equipment access to sewer lines for inspection, testing and cleaning They are built in areas where there is a change in the sewer line direction, slope, elevation, pipe size and junctions
  • What is a Manhole? Its Purpose, Types, Features, Construction
    A manhole is a vertical opening or access point, usually covered with a lid or cover, that provides entry into underground utility systems such as sewage networks, stormwater drainage systems, water supply pipelines, gas lines, and telecommunication cables
  • 3 Types of Manholes in the US | Manhole Casting
    There are three types of manholes currently in use throughout the US: Shallow, Normal, and Deep Typically referred to as Type 1, 2, and 3 respectively, all manholes are categorized based on their depth and purpose, with construction corresponding to their utilization Depth: Less than 3 feet
  • Manhole Frames and Covers | Neenah Foundry
    We manufacture cast iron manhole frames and covers in various sizes, shapes, and designs, including logo customization for large projects Neenah Foundry supplies high security and controlled pressure release covers to critical infrastructure companies and projects
  • Manholes - Oldcastle Infrastructure
    Oldcastle Infrastructure’s manholes are versatile in the construction of buried structures Manholes are often utilized at vault openings or pipe junctions to provide maintenance and inspection access to underground piping systems, meters, and facilities





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