缓黏结预应力抗浮灌注桩设计方法分析  

Analysis on Design Method for Retard-bonded Prestressed Anti-floating Cast-in-place Pile

作　　者：蒋凡[1] JIANG Fan(China Railway Siyuan Survey and Design Group Co.,Ltd.,Wuhan 430063,Hubei,China)

机构地区：[1]中铁第四勘察设计院集团有限公司,湖北武汉430063

出　　处：《工程技术研究》2024年第10期115-118,共4页Engineering and Technological Research

摘　　要：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。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.

关 键 词：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 

分 类 号：TU753.3[建筑科学—建筑技术科学]