鈷60治療機房大體積混凝土施工
劉孟良 2012/5/18
[摘要] 鈷60治療機房墻、頂大體積混凝土施工,主要解決模板、混凝土澆筑和防裂方法。
[關(guān)鍵詞] 大體積混凝土 模板 防裂
ON the Construction of Large Volume of Concrete for the Room of the Cobalt-60 Machine
LIU Meng-liang
(Hunan Urban Construction College, Xiangtan 4111101,China)
Abstract: The cobalt-60 machine requires large volume of construction for its walls and roof,which means good chuttering;concrete pouring and ways of anti-cracking are necessary and important.
Keywords: large volume of concrete;chuttering;anti-cracking
某醫(yī)院新建一鈷60治療機房,鈷60治療機房包括BJ-14加速機房、GWXJ80鈷60遠距離治療機機房、微機控制式鈷60后裝腔內(nèi)治療機機房等,由于有放射性的要求,設(shè)計采用厚大體積混凝土結(jié)構(gòu)。本部分總長為30.150m,總寬為12.850m,墻板厚0.8-2.45m不等,頂板厚0.8-2.4m不等,加速器機房頂標高5.400m和6.400m,其它頂標高為4.700m,采用普通混凝土C30,結(jié)構(gòu)示意見圖1:
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