ASME NOG-1-2020 高架和龙门起重机的施工规范(高架桥, 多横梁)

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AN AMERICAN NATIONAL STANDARD

ASME NOG-1–2020

(Revision of ASME NOG-1–2015)

Rules for Construction

of Overhead and Gantry

Cranes (Top Running

Bridge, Multiple Girder)

ASME NOG-1–2020

(Revision of ASME NOG-1–2015)

Rules for Construction

of Overhead and Gantry

Cranes (Top Running

Bridge, Multiple Girder)

AN AMERICAN NATIONAL STANDARD

Two Park Avenue • New York, NY • 10016 USA

Date of Issuance: December 4, 2020

The next edition of this Standard is scheduled for publication in 2025.

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标签： #起重机 #龙门架 #施工规范

摘要：

ASME NOG-1-2020《桥式和门式起重机建造规范》。该标准用的是许用应力设计法（ASD），在承受轴向压缩和弯曲构件的计算公式中直接写出增大系数1/(1-σ/σe)，其中σ 为计算轴向应力，σe 与轴压构件稳定性许用应力相同，为欧拉临界应力除以23/12 和载荷条件系数（load condition factor）。载荷条件系数与载荷组合有关，工作载荷取1.2，施工载荷取1.2，恶劣环境载荷取0.9，极端环境载荷取0.67，由此不同的载荷组合被除的系数就不同（2.3、1.73、|1.28），体现了起重机设计的特点。GB/T 3811 － 2008 和GB/T 22437.1 － 2018中给出的许用应力法不同载荷组合的安全系数亦不同。

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ASME NOG-1-2020 高架和龙门起重机的施工规范(高架桥, 多横梁)

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