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研究生:李俊德
研究生(外文):Li, Zun-De
論文名稱:鋼骨被覆材料在高溫作用下之孔隙變化研究
論文名稱(外文):A stuty on pore change of Srayed Fire-Resistive Materials Applied to Steel Members in High Temperature
指導教授:林慶元林慶元引用關係
指導教授(外文):Lin, Qing-Yuan
學位類別:碩士
校院名稱:國立臺灣科技大學
系所名稱:營建工程技術研究所
學門:工程學門
學類:土木工程學類
論文種類:學術論文
論文出版年:1997
畢業學年度:85
語文別:中文
論文頁數:145
中文關鍵詞:耐火時效停滯時間高溫延時孔隙率建築工程土木工程
外文關鍵詞:fire ratingdelay timeexposed duration of high temperatureporosityARCHITECTUREENGINEERINGCIVIL-ENGINEERING
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In this research ,the variation of porosity of different
sprayed fire-resistive materials are studied to
understand how the porosity affect the fire-resistive
performance by using small sample (15×15×6 ㎝) exposed
duration of high temperature tests and bench scale (45×45×6
㎝) one dimension fire-resistive tests.
Test results show that the curing relative humility affects
water content, delay time and the fire rating of
sprayed fire resistive materials. The total porosity increase
following the increase of water content and temperature.
In the duration of heating fire-resistive material would lose
humility at high temperature and become more porous, so the
total porosity increase, accordingly. Thus, the fire rating
and delay time increase by the addition of water content and
the total porosity. At normal temperature and high
temperature, the close pore show irregular and much variable,
which is formed at random during about 10μm~100μm. According
to the porosity measurement, the more increased the
small pore and pore volume exist in the interior of material,
material has the longer fire rating. And hence, the fire-
rating and the porosity have positive relation.

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