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既有建筑鑒定加固中預(yù)制樓板問題的探討
張擁軍1,尹保江2,趙向麗2,陳磊2
摘 要

(1 寧夏建筑設(shè)計研究院有限公司, 銀川 750001;  2 中國建筑科學(xué)研究院, 北京 100013)

[摘要]由于建造年代較早,不少既有建筑的樓屋蓋預(yù)制板整體性較差,在歷次地震中已經(jīng)造成了大量的人員傷亡和財產(chǎn)損失。盡管國家現(xiàn)行建筑抗震設(shè)計規(guī)范、建筑抗震鑒定標(biāo)準和標(biāo)準圖集對預(yù)制裝配式樓屋蓋整體性連接有明確的規(guī)定和具體的構(gòu)造做法,但現(xiàn)行檢測規(guī)范缺乏相應(yīng)的檢測要求,相關(guān)的問題在檢測報告中并沒有得到應(yīng)有的體現(xiàn),導(dǎo)致后續(xù)的鑒定和加固設(shè)計環(huán)節(jié)出現(xiàn)疏漏,這應(yīng)當(dāng)引起有關(guān)技術(shù)人員的重視。本文通過總結(jié)分析抗震鑒定與加固工程中常見的樓板問題,提出了改進建議。

[關(guān)鍵詞]預(yù)制樓板; 整體性連接; 檢測; 抗震鑒定; 抗震加固

中圖分類號: TU375 文獻標(biāo)識碼: A文章編號:  1002-848X(2016)S1-0919-03

 

Research on precast slab of existing building in seismic evaluation and strengthening

Zhang Yongjun1, Yin Baojiang2, Zhao Xiangli2, Chen Lei2

(1 Ningxia Institute of Building Design, Yinchuan 750001, China;

2 China Academy of Building Research, Beijing 100013, China)

Abstract:  The integrity of precast slab is adverse,and it caused a large number of casualties and economic loss in previous earthquake.Though the integrity of precast slab is demanded definitely by Code for seismic design of buildings and standard for seismic appraisal of buildings, structure and construction method is showed by Standard Atlas, there is no corresponding requirement and detection method by Technical standard for inspection of building structure. Thus it caused that the problem of precast slab integrity is concealed, and great attention should be paid to the problem of precast slab by civil engineer. The problem of integrity of precast slab was analyzed in seismic evaluation and strengthening of existing buildings, and improvement measures were put forward.

Keywords: precast slab; integrity; detection; seismic evaluation; seismic strengthening

 

作者簡介:張擁軍,一級注冊結(jié)構(gòu)工程師,副總工程師,Email:2546898204@qq.com。

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