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A platform for research: civil engineering, architecture and urbanism
Anti-freezing and anti-cracking concrete and preparation method thereof
The invention provides anti-freezing and anti-cracking concrete and a preparation method thereof. The anti-freezing and anti-cracking concrete comprises the following components in percentage by weight: 30-35% of water; 20%-35% of cement; 20%-30% of river sand; 15%-20% of gravel; 10%-15% of an antifreezing agent; and 15%-20% of an expanding agent; and the anti-freezing agent comprises the following components in percentage by weight: 5-8% of nitrite; 2%-5% of nitrate; 5%-10% of chlorine salt; and 10%-15% of ethylene glycol; the expanding agent comprises the following components in percentage by weight: 5-8% of sodium chloride; 8%-13% of nekal; 10%-15% of a water reducing agent; 6%-8% of ammonium chloride; 10%-15% of aluminum powder; and 8%-13% of iron powder; according to the invention, the freezing resistance of concrete can be effectively improved, and concrete cracking can be effectively avoided.
本发明提供了一种抗冻抗开裂混凝土及其制备方法，该抗冻抗开裂混凝土的配方为：30%‑35%水；20%‑35%水泥；20%‑30%河沙；15%‑20%碎石；10%‑15%防冻剂；15%‑20%膨胀剂，所述防冻剂包括：5%‑8%亚硝酸盐；2%‑5%硝酸盐；5%‑10%氯盐；10%‑15%乙二醇，所述膨胀剂包括：5%‑8%氯化钠；8%‑13%拉开粉；10%‑15%减水剂；6%‑8%氯化铵；10%‑15%铝粉；8%‑13%铁粉，本发明能够有效的提升混凝土的抗冻性，且能够有效的避免混凝土开裂。
Anti-freezing and anti-cracking concrete and preparation method thereof
The invention provides anti-freezing and anti-cracking concrete and a preparation method thereof. The anti-freezing and anti-cracking concrete comprises the following components in percentage by weight: 30-35% of water; 20%-35% of cement; 20%-30% of river sand; 15%-20% of gravel; 10%-15% of an antifreezing agent; and 15%-20% of an expanding agent; and the anti-freezing agent comprises the following components in percentage by weight: 5-8% of nitrite; 2%-5% of nitrate; 5%-10% of chlorine salt; and 10%-15% of ethylene glycol; the expanding agent comprises the following components in percentage by weight: 5-8% of sodium chloride; 8%-13% of nekal; 10%-15% of a water reducing agent; 6%-8% of ammonium chloride; 10%-15% of aluminum powder; and 8%-13% of iron powder; according to the invention, the freezing resistance of concrete can be effectively improved, and concrete cracking can be effectively avoided.
本发明提供了一种抗冻抗开裂混凝土及其制备方法，该抗冻抗开裂混凝土的配方为：30%‑35%水；20%‑35%水泥；20%‑30%河沙；15%‑20%碎石；10%‑15%防冻剂；15%‑20%膨胀剂，所述防冻剂包括：5%‑8%亚硝酸盐；2%‑5%硝酸盐；5%‑10%氯盐；10%‑15%乙二醇，所述膨胀剂包括：5%‑8%氯化钠；8%‑13%拉开粉；10%‑15%减水剂；6%‑8%氯化铵；10%‑15%铝粉；8%‑13%铁粉，本发明能够有效的提升混凝土的抗冻性，且能够有效的避免混凝土开裂。
Anti-freezing and anti-cracking concrete and preparation method thereof
一种抗冻抗开裂混凝土及其制备方法
JING XIFENG (author) / REN XUAN (author)
2021-10-01
Patent
Electronic Resource
Chinese
IPC:
C04B
Kalk
,
LIME
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