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相关概念视频

Survey Safety01:28

Survey Safety

367
Surveying near highways, rough terrain, or power lines involves significant risks. Working along highways is particularly dangerous and requires the use of warning signs and flagmen. It is safest to avoid working directly on roads and use offsets whenever possible. When highway work is unavoidable, it must follow all safety guidelines. Surveyors should wear bright clothing, such as orange reflective vests, to ensure visibility to motorists, coworkers, and hunters. In construction zones, wearing...
367
Design Consideration01:22

Design Consideration

531
Designing a structure involves a series of considerations, primarily the material's ultimate strength, calculated through tests that measure changes under increased force until the material reaches its breaking point or limit. The ultimate load, where the material breaks, is divided by its original cross-sectional area, resulting in the ultimate normal stress or strength. The ultimate shearing stress is another significant factor taken into account.
The factor of safety is another key...
531
Controller Configurations01:22

Controller Configurations

345
Controller configurations are crucial in a car's cruise control system because they manage speed over time to maintain a consistent pace regardless of road conditions, thereby meeting design goals. In traditional control systems, fixed-configuration design involves predetermined controller placement. System performance modifications are known as compensation.
Control-system compensation involves various configurations, most commonly series or cascade compensation, in which the controller...
345
Design Example: Analyzing Capacity Contours for Flood Risk Assessment01:17

Design Example: Analyzing Capacity Contours for Flood Risk Assessment

278
Flood risk assessment involves careful planning and analysis to ensure the safety of communities near water retention structures. Capacity contours are a vital tool in this process, as they illustrate the potential spread of water at specific levels in a given area. In the context of building a bund across a small valley, these contours play a critical role in evaluating the safety of nearby residential areas.In this example, the bund is intended to store stormwater in the valley. The engineers...
278
Assumptions of Survival Analysis01:15

Assumptions of Survival Analysis

388
Survival models analyze the time until one or more events occur, such as death in biological organisms or failure in mechanical systems. These models are widely used across fields like medicine, biology, engineering, and public health to study time-to-event phenomena. To ensure accurate results, survival analysis relies on key assumptions and careful study design.
388
Design Example: Managing Concrete Workability01:14

Design Example: Managing Concrete Workability

293
This example deals with managing the workability of concrete for a raft foundation project under hot weather conditions. Workability is crucial for ensuring the concrete is easy to place, compact, and finish. In this scenario, a slump test — a common method to measure the workability of fresh concrete — initially indicated low workability. This was attributed to the rapid water loss from the concrete mix, exacerbated by the high temperatures causing the course aggregates to heat up.
293

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Updated: Jan 13, 2026

Setup and Execution of the Rapid Cycle Deliberate Practice Death Notification Curriculum
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国家咨询计划的变化是否会影响建筑死亡率?

Wayne B Gray1, John Mendeloff2

  • 1Professor Emeritus, Department of Economics, Clark University, Worcester, Massachusetts, USA.

American journal of industrial medicine
|January 11, 2026
PubMed
概括
此摘要是机器生成的。

职业安全和健康管理局 (OSHA) 的咨询计划显著减少了建筑业致命的工作伤害. 更频繁的职场安全检查和危险识别与较低的死亡率相关,特别是在国家计划州.

关键词:
欧沙局 (OSHA) 是一个安全机构.建设建设建设建设建设.咨询 咨询 咨询 咨询有效性 有效性.志愿者项目 志愿者项目

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科学领域:

  • 职业健康和安全问题 职业健康和安全问题
  • 建筑工程安全 建筑工程安全
  • 公共卫生政策 公共卫生政策

背景情况:

  • 职业安全与健康管理局 (OSHA) 提供了一个自愿咨询计划,以帮助企业识别工作场所的危险.
  • 这项研究调查了OSHA咨询计划对建筑行业致命工伤的影响.

研究的目的:

  • 评估OSHA自愿咨询计划在减少建筑业致命工作伤害方面的有效性.
  • 分析咨询计划特征与州级建筑死亡率之间的关系.

主要方法:

  • 检查了OSHA咨询计划 (2016-2022) 的州级差异,包括访问频率,识别的危险和范围.
  • 利用回归分析将咨询计划的特征与施工死亡率相关联.
  • 在国家计划州和联邦OSHA州之间进行区分.

主要成果:

  • 与联邦州相比,国家计划州的咨询访问率更高,范围更广,每名工人识别的危险更多.
  • 较高的国家规划咨询率与较低的建筑死亡率有显著的关联.
  • 咨询率,危险识别和访问范围之间的相互作用与死亡率有负面关系.

结论:

  • 越来越多的OSHA咨询访问建筑公司的频率与减少致命的工作伤害有关.
  • 更多的确定的危险和更广泛的咨询范围与较低的建筑死亡率有关.
  • 这些发现凸显了强有力的咨询计划在提高建筑工地安全方面的重要性.