硫酸钡又叫重晶石,使用重晶石骨料或粉料按一定配比混合制成的重晶石混凝土和重晶石砂浆对X射线、γ射线和中子射线均有较好的吸收效果,具有防护强度高,使用寿命长的优点。可代替金属铅板应用于放射科、口腔科、核医学科、放疗科等辐射防护工程。因其造价较低,成为各大医院墙面辐射防护的首选。
JIFANGDINGMIANFANGHU,RUGUOFANGHUDANGLIANG(SHEXIANFANGHUDANWEI,YICAILIAOFANGHUXIAOGUODENGJIADEQIANBANHAOMIHOUDUJINXINGJILIANG,CHENGWEIQIANDANGLIANG)BUDA,KEYIXUANZEDINGGUAGANGSIWANGZAIPIDANGLIUSUANBEIHUNNINGTU;RUGUOFANGHUDANGLIANGDA,JIFANGDINGMIANDEFUSHEFANGHUZEXUXUANYONGQIANBAN。QIANBANDEFANGHUXINGNENGWENDING、XIAOGUOHAO,DANZAOJIAGAO。
CIWAI,FANGSHESHEBEIJIANCHASHIDEMENHECHUANGHUYEDOUCAIYONGDESHITESHUFANGFUSHECAIZHI。QIZHONGMENSHIYOUYIZHONGKEYIFANGFUSHEDETEZHONGMIDUBANCAIHEQIANBAN、BUXIUGANGHUOLVSUBANYICIXINGYAZHIERCHENG,CHENGZUOQIANMEN,YOUSHOUDONGPINGKAISHI、DIANDONGTUILASHILIANGZHONG。TABUTONGYUPUTONGMEN,ZHONGLIANGJIAOZHONG,BIXUYOUZHUANYERENYUANANZHUANG。CHUANGHUSHIYONGQIANBOLI。MEN、CHUANG、QIANGTIDEFANGHUDANGLIANGJUNYOUXSHEXIANSHEBEIDEGUANDIANYA(XSHEXIANZHENKONGGUANLIANGJIDEDIANYA,JUEDINGLEXSHEXIANDEQIANGDU)JUEDING。
ZUOWEIFANGSHEKESHEBEIJIFANGFUSHEFANGHUCAIYONGDEZHUYAOCAILIAO,LIUSUANBEIHEQIANBANZAIZAOJIAJISHIYONGXIAOGUOFANGMIANCUNZAIZHUDUOCHAYI。
材料
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优点
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缺点
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硫酸钡防护涂料
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造价适中
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1、墙体所占空间较大;
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2、容易开裂、无法重复使用、需要作为医疗废物进行专业处理,后期风险高、投入大;
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3、使用初期完好,但耐久性差,投入使用后易漏线;
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4、施工过程较繁琐。
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铅板
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1、便于施工;
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1、初次投入较高;
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2、防护效果耐久且可以循环使用,后期风险低、投入小;
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2、物理属性较软, 需解决支撑工艺问题。
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3、便于外装饰施工。
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3、在较大荷载下有徐变性。
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