- 摘 要
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李 東 范小華?。ㄉ虾4髮W(xué)土木工程系 200072)
[提要] 混凝土的硬化是一個(gè)復(fù)雜的化學(xué)變化過(guò)程,裂縫控制措施的有效性只能通過(guò)施工監(jiān)測(cè)手段來(lái)觀測(cè),借助自主開(kāi)發(fā)的施工監(jiān)測(cè)系統(tǒng),直接觀測(cè)到了大體積混凝土內(nèi)的溫度和應(yīng)力變化過(guò)程,從而有效地反映出各種控制措施的實(shí)際效果。
[關(guān)鍵詞] 高層建筑 厚筏板基礎(chǔ) 大體積混凝土 裂縫控制 施工監(jiān)測(cè)Fresh mixture hardening of concrete in massive structure is a complex chemical reaction process. The effects of the measures of control of cracking of concrete structure are observed by construction monitor.A kind of construction monitor system is developed, which is used to observe directly the whole changing process of temperature and stress in massive concrete. The actual effect of various measures of the control of cracking is exactly showed.
Keywords: planks; raft foundation; massive concrete structure; cracking control; construction monitor參 考 文 獻(xiàn)
1.王鐵夢(mèng).建筑物的裂縫控制.上??茖W(xué)技術(shù)出版社,1987.
2.中華人民共和國(guó)行業(yè)標(biāo)準(zhǔn).塊體基礎(chǔ)混凝土結(jié)構(gòu)施工技術(shù)規(guī)程.冶金工業(yè)出版社,1991.
3.李 東.新上海國(guó)際大廈基礎(chǔ)承壓平臺(tái)大體積混凝土施工過(guò)程中水化熱影響分析.西安公路交通大學(xué)學(xué)報(bào),1998.
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