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缓黏结预应力抗浮灌注桩设计方法分析

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缓黏结预应力技术作为一种新的预应力技术,在抗浮灌注桩中的应用仍处于初步探索阶段,需进一步研究其设计方法.文章首先提出了三种设计验算方法及设计验算流程,阐述了三种方法的区分要素,然后结合案例给出了设计验算过程,并对结果进行了分析,最后结合方案的经济性及施工便捷性提出了方案比选模型.
Analysis on Design Method for Retard-bonded Prestressed Anti-floating Cast-in-place Pile
As a new prestress technology,the application of retard-bonded prestressed technology in anti-floating cast-in-place piles is still in the preliminary exploration stage,and its design method needs to be further studied.This paper first puts forward three design checking methods and design checking process,expounds the distinguishing elements of the three methods;then presents the design checking process combined with the case,analyzes the results;and finally proposes the scheme comparison and selection model combined with the economy and construction convenience of the scheme.

retard-bonded prestressanti-floating cast-in-place pilescheme comparison and selectionchecking methodscheme evaluation model

蒋凡

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中铁第四勘察设计院集团有限公司,湖北 武汉 430063

缓黏结预应力 抗浮灌注桩 方案比选 验算方法 方案评价模型

2024

工程技术研究
广州钢铁企业集团有限公司

工程技术研究

影响因子:0.081
ISSN:2096-2789
年,卷(期):2024.9(10)