亚洲AV无码未成人网站久久精品,国产亚洲精品成人无码精品网站 ,亚洲熟妇在线视频观看,国产激情视频一区二区三区

Inspection and requirements of frameless fireproof glass in engineering application

2020-03-09 2089

The fire-resistant function of frameless fire-proof glass for building is obtained by directly inlaying frameless fire-proof glass in the wall hole or combined with the structure, and then inlaying it in the wall hole to make components according to gbl2513. It includes the determination of fire-resistant integrity, fire-resistant heat insulation and thermal radiation intensity. Meanwhile, the measurement of thermal insulation is based on the back fire surface temperature.

Fire resistance and thermal insulation refers to the temperature rise of single point at the temperature measuring point on the back fire surface of the test piece of 180 ℃ and uniform temperature rise of 140 ℃.

防火玻璃

Thermal radiation intensity refers to the critical radiant heat illuminance reaching 0.42w/cm2 at 3M from the back fire surface of the test piece, and the critical radiant heat illuminance reaching 3.35 w / cm2 at a distance equal to 1.2 times its smaller standard (length or width). Fire resistance function test: the whole frameless fireproof glass shall be embedded in the fixed structure, and the fire resistance function test shall be carried out according to gb12513. The fire standard height of frameless fireproof glass shall not be less than 1100mm, the width shall not be less than 600mm, and the sample shall be vertical to the equipment. The fixed structure and equipment method used in the test shall be the same as that used in practical engineering, and the structure and equipment method of fixed structure shall be recorded in the method of drawings.

Bending test: place the glass vertically, place a ruler horizontally close to the surface of the sample for measurement, and indicate it in the percentage of the ratio of the height of the arc to the length of the chord when it is arched; The waveform is indicated by the percentage of the ratio of the height from trough to peak to the distance from peak to peak (or trough to trough). The products shall be packed in wooden cases or other packing boxes. The glass shall be placed vertically in the box. Each glass shall be wrapped with plastic cloth or paper. The light and soft materials that are not easy to cause glass scratches and other appearance defects shall be used between the glass and the packing box.

Article source: fireproof glass http://www.idchao123.com/


主站蜘蛛池模板: 国产熟女一区二区三区五月婷 | 成年无码动漫av片在线观看羞羞| 国产仑乱无码内谢| 精品国产无套在线观看| 四库影院永久国产精品地址| 高州市| 狠狠色狠狠色综合久久第一次 | 18禁白丝喷水视频www视频| 国产成人一区二区无码不卡在线| 亚洲日本va中文字幕亚洲| www国产精品内射老师| 校园春色~综合网| 性欧美俄罗斯乱妇| 亚洲中文字幕乱码一区| 人妻少妇精品视频无码专区| 熟女精品视频一区二区三区| 国产欧美成aⅴ人高清| 天堂成人在线| 熟妇人妻无乱码中文字幕真矢织江 | 青草精品国产福利在线视频| 久久6免费视频| 色综合天天综合高清网| 国产999精品久久久久久 | 风韵少妇性饥渴推油按摩视频| 粉嫩av国产一区二区三区 | 18禁男女爽爽爽午夜网站免费 | 亚洲精品国产精品国产自2022| 日韩免费无码成人久久久久久片 | 免费乱码人妻系列无码专区| 日日干夜夜操| 国产精品乱子乱XXXX| 亚洲色婷婷婷婷五月基地| 亚洲毛片多多影院| 人妻体验按摩到忍不住哀求继续 | 日韩欧美中文字幕在线精品| 欧美丰满熟妇xxxx性ppx人交| 国产传媒麻豆剧精品av| 青草伊人久久综在合线亚洲| 一级国产在线观看高清| 久久久久国产精品麻豆ar影院| 欧美大胆老熟妇乱子伦视频|