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A platform for research: civil engineering, architecture and urbanism
Fireproof mortar, preparation method and application
;The invention discloses fireproof mortar as well as a preparation method and application thereof. The fireproof mortar comprises 98 parts of 42.5-grade cement, 13.5-15.4 parts of aerogel, 0-50 parts of sand, 24 parts of fly ash, 14 parts of silica fume, 54 parts of water and 10.1 parts of an additive; wherein the additives comprise 1.7 parts of a dispersing agent, 1.4 parts of a water reducing agent, 1.4 parts of an air entraining agent, 1.4 parts of polypropylene fibers and 4.2 parts of titanium dioxide. The fireproof mortar prepared according to the ratio has excellent heat insulation performance and thermal shock resistance, and relatively good freezing resistance and water resistance, can be used for a fireproof coating to relieve high-temperature stripping of concrete under a fire accident and greatly improve residual compressive strength of the concrete after the fire accident, and has relatively high application value for tunnel fireproof engineering.
本发明公开了一种防火砂浆、制备方法及应用，防火砂浆包括：42.5级水泥98份，气凝胶13.5～15.4份，砂0～50份，粉煤灰24份，硅灰14份，水54份，添加剂10.1份。其中添加剂包括：分散剂1.7份，减水剂1.4份，引气剂1.4份，聚丙烯纤维1.4份，二氧化钛4.2份。按配比制备的防火砂浆具有卓越的绝热性能和耐热冲击性能，以及较好的抗冻性、耐水性，用于防火涂层能减轻火灾事故下混凝土的高温剥落和大幅提升火灾后混凝土残余抗压强度，对于隧道防火工程有较大的应用价值。
Fireproof mortar, preparation method and application
;The invention discloses fireproof mortar as well as a preparation method and application thereof. The fireproof mortar comprises 98 parts of 42.5-grade cement, 13.5-15.4 parts of aerogel, 0-50 parts of sand, 24 parts of fly ash, 14 parts of silica fume, 54 parts of water and 10.1 parts of an additive; wherein the additives comprise 1.7 parts of a dispersing agent, 1.4 parts of a water reducing agent, 1.4 parts of an air entraining agent, 1.4 parts of polypropylene fibers and 4.2 parts of titanium dioxide. The fireproof mortar prepared according to the ratio has excellent heat insulation performance and thermal shock resistance, and relatively good freezing resistance and water resistance, can be used for a fireproof coating to relieve high-temperature stripping of concrete under a fire accident and greatly improve residual compressive strength of the concrete after the fire accident, and has relatively high application value for tunnel fireproof engineering.
本发明公开了一种防火砂浆、制备方法及应用，防火砂浆包括：42.5级水泥98份，气凝胶13.5～15.4份，砂0～50份，粉煤灰24份，硅灰14份，水54份，添加剂10.1份。其中添加剂包括：分散剂1.7份，减水剂1.4份，引气剂1.4份，聚丙烯纤维1.4份，二氧化钛4.2份。按配比制备的防火砂浆具有卓越的绝热性能和耐热冲击性能，以及较好的抗冻性、耐水性，用于防火涂层能减轻火灾事故下混凝土的高温剥落和大幅提升火灾后混凝土残余抗压强度，对于隧道防火工程有较大的应用价值。
Fireproof mortar, preparation method and application
一种防火砂浆、制备方法及应用
WANG XINJIE (author) / CHEN CHUNHONG (author) / LIU HUI (author) / XU DONGHANG (author)
2021-07-20
Patent
Electronic Resource
Chinese
IPC:
C04B
Kalk
,
LIME
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