A Comprehensive Decision on Seismic Performance of Long Span Girder Bridges with Typical Piers for Whole Construction Process

ZHENG Yuguo

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A Comprehensive Decision on Seismic Performance of Long Span Girder Bridges with Typical Piers for Whole Construction Process

更新时间：2025-09-25

- A Comprehensive Decision on Seismic Performance of Long Span Girder Bridges with Typical Piers for Whole Construction Process
- Issue 1, Pages: 139-144(2020)
- 作者机构：
  
  湖南科技大学土木工程学院,湖南,湘潭,411201
- 作者简介：
- 基金信息：
- DOI：
  CLC： U442.5;U448.21
- Published：2020
- 稿件说明：
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郑玉国,宋英梁,夏鸿翔.典型桥墩大跨梁桥施工全过程抗震性能综合决策∗[J].防灾减灾工程学报,2020,(1):139-144

ZHENG Yuguo. A Comprehensive Decision on Seismic Performance of Long Span Girder Bridges with Typical Piers for Whole Construction Process[J]. 2020, (1): 139-144.
郑玉国,宋英梁,夏鸿翔.典型桥墩大跨梁桥施工全过程抗震性能综合决策∗[J].防灾减灾工程学报,2020,(1):139-144 DOI：

ZHENG Yuguo. A Comprehensive Decision on Seismic Performance of Long Span Girder Bridges with Typical Piers for Whole Construction Process[J]. 2020, (1): 139-144. DOI：

摘要

在满足永久状态桥梁抗震设计要求的前提下，针对典型桥墩大跨梁桥施工全过程抗震设计的难题，通过综合考虑施工全过程抗震设计中的各种关键因素，联合应用能力需求比法和层次分析法，建立施工全过程抗震性能综合决策的框架。然后提出合理的决策策略，定量决策出典型桥墩大跨梁桥施工全过程综合性能最优的抗震设计方案。研究结果表明，在施工全过程的抗震能力满足要求的条件下，典型桥墩大跨梁桥：花瓶形实体桥墩连续梁桥、矩形空心薄壁桥墩连续梁桥、双柱实体桥墩连续梁桥施工全过程综合抗震性能的权重之比为0.340∶0.327∶0.333。花瓶形实体桥墩连续梁桥施工全过程综合抗震性能为最优。所提出的方法和建立的框架，可以广泛应用于各类桥梁施工全过程抗震设计及抗震性能综合决策。

Abstract

This study focuses on the seismic design difficulties of long span girder bridges with typical piers of the whole construction process. The capacity/demand method and the analytic hierarchy process were combined to establish a set of comprehensive decision frame for the synthetic decision on their seismic performance of the whole construction process by considering all essential factors in the design under the condition that their seismic design requirements of the permanent state were met. Then rational decision strategies were presented to decide the optimal seismic design scheme in the bridges quantitatively in terms of the comprehensive seismic performance of the whole construction process. The results show that the weight ratio of the bridges with typical piers

the vase-type-solid-pier continuous girder bridge

the rectangle-hollow-thin-wall-pier

and the double-column-solid-pier is 0.340∶0.327∶0.333 when their earthquake resistance in the whole construction process is satisfied. Namely

the vase-type-solid-pier bridge has the optimal comprehensive seismic performance of the whole construction process. The proposed method and frame can be extended to seismic design and comprehensive decision on seismic performance of other kinds of bridges of the whole construction process.

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references

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