There are 20 hazards for construction engineers, what are the main types of major hazards on constru

Updated on society 2024-07-04
7 answers
  1. Anonymous users2024-02-12

    Hello, you can click on my title, there is the corresponding tutoring information, and the exam information of previous years.

    Hope it helps! Have a great day!

  2. Anonymous users2024-02-11

    1.Fall from a height. Personnel fall from edges and openings, including roof edges, floor edges, balcony edges, reserved openings, elevator shafts, staircase openings, etc.; falling from scaffolding; Gantry (well frame) material hoist and tower crane fall during installation and dismantling; Falling during installation and removal of formwork; Structures and equipment fall when hoisting.

    2.Electric shock. There is no or lack of protection for external power lines passing through or near the construction site, and touching these lines causes electric shock in the process of erecting steel pipe frames, binding steel bars or lifting and hoisting; electric shock using various electrical equipment; Due to the broken skin and aging of the wires, there is no electric shock such as switch box.

    3.Object strikes. Personnel are struck by falling objects during cross-work on the same vertical working surface and at the entrance of the passage.

    4.Mechanical damage. It is mainly the injury to people caused by vertical transportation machinery and equipment, hoisting equipment, and various pile drivers.

    5.Collapse. The collapse accidents that occur in the construction are mainly as follows: the formwork support of cast-in-place concrete beams and slabs is unstable and collapses, the foundation pit slope instability causes the collapse of earth and stone, the collapse in the demolition project, and the poor quality collapse of the fence wall and the roof panel of the project under construction at the construction site.

  3. Anonymous users2024-02-10

    The first type of hazard source: the energy and hazardous substances that may be accidentally released during the construction process (such as **, fire, electric shock, radiation) and cause accidents, including mechanical injury, electrical injury, thermal injury, light injury, chemical injury, radiation and biological injury, etc.

    Category 2 hazards: factors that lead to the destruction or failure of restraint or restraint measures of energy or hazardous substances, including mechanical equipment, devices, original parts, etc., which are incapable of performing and cannot achieve their intended functions, i.e., the unsafe state of the organism; The result of human behavior deviates from the required standard, that is, unsafe behavior of people; Due to environmental problems, human error or material malfunction occurs.

  4. Anonymous users2024-02-09

    There are several main sources of hazards on the construction site: objects falling from high altitudes and injuring people, workers falling from heights, brick walls collapsing, electric shock accidents caused by line failures, fires caused by flammable materials such as oil and gas, and unpredictable injuries caused by disaster weather.

  5. Anonymous users2024-02-08

    I've been to construction sites, in general, electricity, mechanical operations, working at height, throwing objects from height, fires. There are many factors, all kinds of sources, just pay attention.

  6. Anonymous users2024-02-07

    1. Foundation pit support and dewatering engineering.

    Foundation pit support engineering refers to the excavation depth of more than 3m (including 3m) of the foundation pit (groove) and the use of supporting structure construction; or although the foundation pit does not exceed 5m, the geological conditions and surrounding environment are complex, and the groundwater level is above the bottom of the pit.

    2. Earthwork excavation engineering.

    Earthwork excavation engineering refers to the earthwork excavation of foundation pits and grooves with an excavation depth of more than 3m (including 3m).

    3. Formwork engineering.

    All kinds of tool-type formwork projects, including sliding formwork, large formwork and special structure formwork engineering, etc.

    4. Lifting and hoisting engineering.

    5. Scaffolding engineering.

    floor-mounted steel pipe scaffolding with a height of more than 24m-50 m; cantilevered scaffolding; hanging basket scaffolding; Discharge platform, etc.

    6. Demolition and blasting works.

    Works that are demolished by hand, mechanically or by blasting.

    7. Temporary power projects.

    8. Other dangerous projects.

    installation and construction of building curtain wall; tensile construction of prestressed structure; construction of special equipment; construction of grid and cable membrane structure; Slope construction above 6m; 30m and above high-altitude work; The use of new technologies, new processes, and new materials may affect the quality and safety of construction projects, and has been administratively licensed, and there is no technical standard for construction.

    Sub-projects that may have an impact on the facilities around the site and the safety of residents; Other construction sites and operations that are prone to major accidents, such as strong professionalism, complex technology, high risk, and crossing.

  7. Anonymous users2024-02-06

    1. Deep foundation pit engineering, (the main hidden danger is earthwork collapse).

    2. Formwork engineering and support system. (The main hidden danger is the collapse of the formwork).

    3. Lifting, hoisting, installation and dismantling engineering. (The main hazards are falls from heights and mechanical injuries).

    4. Scaffolding engineering. (The main hidden danger is falling from a height).

    5. Demolition and blasting works. (The main hidden danger is **).

    6. Circuit system engineering. (The main hidden danger is electric shock, or even fire).

    7. Miscellaneous. <>

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