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A platform for research: civil engineering, architecture and urbanism
Method for producing lightweight concrete mixtures using lightweight aggregates
The invention provides a method for producing a lightweight concrete mixture using a lightweight aggregate, the method comprising at least two stages of mixing processes in which first a suspended mixture comprising a binder composition is prepared by high speed stirring of cement or geopolymer and water, the suspended mixture is then mixed with a component comprising lightweight aggregate by low-speed stirring. The invention also encompasses correspondingly produced lightweight concrete and lightweight concrete mixtures. The binder composition candidates comprise, for example:-60 to 80% by weight of fine ground slag sand cement, 10 to 60% by weight of fly ash; -2 to 25% by weight of alkali metal hydroxide/alkali metal silicate, 75 to 98% by weight of fine ground slag sand; -2 to 20% by weight of alkali metal hydroxide/alkali metal silicate, 60 to 78% by weight of fine ground slag sand; -20 to 38 wt% of fly ash cement, 30 to 50 kg/m of micro silica cement (in the lightweight concrete mixture), 10 to 60 wt% of rice husk fly ash cement, 1 to 5 wt% of caustic calcined CaO/MgO.
本发明提供了一种用于使用轻质骨料生产轻质混凝土混合物的方法，该方法包括至少两阶段混合过程，其中首先通过高速搅拌水泥或地质聚合物和水来制备包含粘合剂组合物的悬浮混合物，然后通过低速搅拌将悬浮混合物与包含轻质骨料的成分混合。本发明还涵盖相应生产的轻质混凝土和轻质混凝土混合物。粘合剂组合物候选包括例如：‑60至80重量％的细磨矿渣砂水泥、10至60重量％的飞灰；‑2至25重量％的碱金属氢氧化物/碱金属硅酸盐、75至98重量％的细磨矿渣砂；‑2至20重量％的碱金属氢氧化物/碱金属硅酸盐、60至78重量％的细磨矿渣砂；‑20至38重量％的飞灰水泥、30至50kg/m(在轻质混凝土混合物中)的微硅石水泥、10至60重量％的稻壳飞灰水泥、1至5重量％的苛性煅烧的CaO/MgO。
Method for producing lightweight concrete mixtures using lightweight aggregates
The invention provides a method for producing a lightweight concrete mixture using a lightweight aggregate, the method comprising at least two stages of mixing processes in which first a suspended mixture comprising a binder composition is prepared by high speed stirring of cement or geopolymer and water, the suspended mixture is then mixed with a component comprising lightweight aggregate by low-speed stirring. The invention also encompasses correspondingly produced lightweight concrete and lightweight concrete mixtures. The binder composition candidates comprise, for example:-60 to 80% by weight of fine ground slag sand cement, 10 to 60% by weight of fly ash; -2 to 25% by weight of alkali metal hydroxide/alkali metal silicate, 75 to 98% by weight of fine ground slag sand; -2 to 20% by weight of alkali metal hydroxide/alkali metal silicate, 60 to 78% by weight of fine ground slag sand; -20 to 38 wt% of fly ash cement, 30 to 50 kg/m of micro silica cement (in the lightweight concrete mixture), 10 to 60 wt% of rice husk fly ash cement, 1 to 5 wt% of caustic calcined CaO/MgO.
本发明提供了一种用于使用轻质骨料生产轻质混凝土混合物的方法，该方法包括至少两阶段混合过程，其中首先通过高速搅拌水泥或地质聚合物和水来制备包含粘合剂组合物的悬浮混合物，然后通过低速搅拌将悬浮混合物与包含轻质骨料的成分混合。本发明还涵盖相应生产的轻质混凝土和轻质混凝土混合物。粘合剂组合物候选包括例如：‑60至80重量％的细磨矿渣砂水泥、10至60重量％的飞灰；‑2至25重量％的碱金属氢氧化物/碱金属硅酸盐、75至98重量％的细磨矿渣砂；‑2至20重量％的碱金属氢氧化物/碱金属硅酸盐、60至78重量％的细磨矿渣砂；‑20至38重量％的飞灰水泥、30至50kg/m(在轻质混凝土混合物中)的微硅石水泥、10至60重量％的稻壳飞灰水泥、1至5重量％的苛性煅烧的CaO/MgO。
Method for producing lightweight concrete mixtures using lightweight aggregates
用于使用轻质骨料生产轻质混凝土混合物的方法
SIEVERS THOMAS (author)
2024-09-17
Patent
Electronic Resource
Chinese
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