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A platform for research: civil engineering, architecture and urbanism
Duct piece concrete anti-cracking reinforcing additive and preparation method thereof
The invention discloses a duct piece concrete anti-cracking reinforcing additive and a preparation method thereof. The additive comprises the following raw materials in parts by weight: 32-38 parts ofsodium bentonite, 42-46 parts of microcrystalline cellulose, 3-6 parts of naphthenic acid soap, 1-2 parts of sodium carboxymethyl cellulose, 5-7 parts of JK-H2O (A) composite amino alcohol, 3-7 partsof gluconate, 4-6 parts of alkyl aromatic sulfonic acid, 2-5 parts of a water reducing agent, 1-4 parts of an early strength agent, 2-6 parts of an inorganic aluminum salt waterproof agent and 2-5 parts of a setting accelerator. The preparation method comprises the following steps: step S1, sequentially weighing the raw materials; and step S2, putting the raw materials except the aluminum oxide into a grinding kettle for stirring and grinding to obtain an additive A and an additive B. A duct piece prepared by adding the additive prepared by the method into concrete has the advantages of favorable water resistance, favorable seepage resistance, favorable rust resistance, compact and compact structure and balanced duct piece internal stress distribution, and is not easy to crack or fracture.
本发明公开了一种管片混凝土防裂增强添加剂及其制备方法，添加剂包括以下重量份的原料：钠基膨润土32～38份、微晶纤维素42～46份、环烷酸皂3～6份、羧甲基纤维素钠1～2份、JK‑H2O(A)复合氨基醇5～7份、葡萄糖酸盐3～7份、烷基芳烃磺酸4～6份、减水剂2～5份、早强剂1～4份、无机铝盐防水剂2～6份、速凝剂2～5份；其制备方法包括以下步骤：步骤S1：依次称取各原料；步骤S2：将除氧化铝以外的原料投放到研磨釜中进行搅拌研制，得到添加剂A和添加剂B。本发明设计制备的添加剂加入混凝土制备的管片具备良好的防水防渗、防锈蚀、结构密实紧凑，管片内部应力分布均衡，不易出现裂纹或断裂现象。
Duct piece concrete anti-cracking reinforcing additive and preparation method thereof
The invention discloses a duct piece concrete anti-cracking reinforcing additive and a preparation method thereof. The additive comprises the following raw materials in parts by weight: 32-38 parts ofsodium bentonite, 42-46 parts of microcrystalline cellulose, 3-6 parts of naphthenic acid soap, 1-2 parts of sodium carboxymethyl cellulose, 5-7 parts of JK-H2O (A) composite amino alcohol, 3-7 partsof gluconate, 4-6 parts of alkyl aromatic sulfonic acid, 2-5 parts of a water reducing agent, 1-4 parts of an early strength agent, 2-6 parts of an inorganic aluminum salt waterproof agent and 2-5 parts of a setting accelerator. The preparation method comprises the following steps: step S1, sequentially weighing the raw materials; and step S2, putting the raw materials except the aluminum oxide into a grinding kettle for stirring and grinding to obtain an additive A and an additive B. A duct piece prepared by adding the additive prepared by the method into concrete has the advantages of favorable water resistance, favorable seepage resistance, favorable rust resistance, compact and compact structure and balanced duct piece internal stress distribution, and is not easy to crack or fracture.
本发明公开了一种管片混凝土防裂增强添加剂及其制备方法，添加剂包括以下重量份的原料：钠基膨润土32～38份、微晶纤维素42～46份、环烷酸皂3～6份、羧甲基纤维素钠1～2份、JK‑H2O(A)复合氨基醇5～7份、葡萄糖酸盐3～7份、烷基芳烃磺酸4～6份、减水剂2～5份、早强剂1～4份、无机铝盐防水剂2～6份、速凝剂2～5份；其制备方法包括以下步骤：步骤S1：依次称取各原料；步骤S2：将除氧化铝以外的原料投放到研磨釜中进行搅拌研制，得到添加剂A和添加剂B。本发明设计制备的添加剂加入混凝土制备的管片具备良好的防水防渗、防锈蚀、结构密实紧凑，管片内部应力分布均衡，不易出现裂纹或断裂现象。
Duct piece concrete anti-cracking reinforcing additive and preparation method thereof
一种管片混凝土防裂增强添加剂及其制备方法
LIU CHENGHONG (author) / CHEN YUBO (author) / ZHANG ZHEN (author) / WANG YINGMEI (author) / LIU YONGJIE (author) / FAN JINYU (author) / JIA XINKE (author) / ZHANG ZHIQIANG (author) / MA DONGMING (author) / SHEN FULIANG (author)
2020-10-30
Patent
Electronic Resource
Chinese
IPC:
C04B
Kalk
,
LIME
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