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Anti-crack concrete and construction method thereof
The invention relates to the technical field of concrete, and particularly discloses anti-crack concrete and a construction method thereof. A mixture of the anti-crack concrete is prepared from the following components in parts by weight: 280 to 296 parts of cement, 75 to 77 parts of fly ash, 22 to 26 parts of slag powder, 738 to 758 parts of sand, 1090 to 1130 parts of gravel, 160 to 164 parts of water, 0.2 to 0.4 part of hydration temperature rise inhibitor and 3.8 to 4.0 parts of polycarboxylic acid water reducing agent. The heat generated in the hardening and setting process of a concrete mixture is limited, good cohesiveness is achieved between the anti-crack fiber and a concrete matrix, and the defect that cohesiveness of polypropylene fiber and the concrete matrix is poor is overcome. According to the construction method of the anti-cracking concrete, the cracking of the concrete can be effectively controlled even if high-grade cement is selected, so that the anti-cracking performance of the concrete is improved.
本申请涉及混凝土技术领域，具体公开了一种抗裂混凝土及其施工方法。抗裂混凝土的拌和物包括如下重量份的组分：水泥280‑296份，粉煤灰75‑77份，矿渣粉22‑26份，砂738‑758份，碎石1090‑1130份，水160‑164份，水化温升抑制剂0.2‑0.4份，聚羧酸减水剂3.8‑4.0份。本申请限制了混凝土拌和物硬化凝结过程中产生的发热量，且本申请的抗裂纤维与混凝土基体之间具有良好的粘结性，克服了聚丙烯纤维与混凝土基体粘结性不佳的缺陷。通过按照本申请的方式进行抗裂混凝土的施工，即使选用了高标号水泥，混凝土的开裂也能够得到有效的控制，从而改善了混凝土的抗裂性能。
Anti-crack concrete and construction method thereof
The invention relates to the technical field of concrete, and particularly discloses anti-crack concrete and a construction method thereof. A mixture of the anti-crack concrete is prepared from the following components in parts by weight: 280 to 296 parts of cement, 75 to 77 parts of fly ash, 22 to 26 parts of slag powder, 738 to 758 parts of sand, 1090 to 1130 parts of gravel, 160 to 164 parts of water, 0.2 to 0.4 part of hydration temperature rise inhibitor and 3.8 to 4.0 parts of polycarboxylic acid water reducing agent. The heat generated in the hardening and setting process of a concrete mixture is limited, good cohesiveness is achieved between the anti-crack fiber and a concrete matrix, and the defect that cohesiveness of polypropylene fiber and the concrete matrix is poor is overcome. According to the construction method of the anti-cracking concrete, the cracking of the concrete can be effectively controlled even if high-grade cement is selected, so that the anti-cracking performance of the concrete is improved.
本申请涉及混凝土技术领域，具体公开了一种抗裂混凝土及其施工方法。抗裂混凝土的拌和物包括如下重量份的组分：水泥280‑296份，粉煤灰75‑77份，矿渣粉22‑26份，砂738‑758份，碎石1090‑1130份，水160‑164份，水化温升抑制剂0.2‑0.4份，聚羧酸减水剂3.8‑4.0份。本申请限制了混凝土拌和物硬化凝结过程中产生的发热量，且本申请的抗裂纤维与混凝土基体之间具有良好的粘结性，克服了聚丙烯纤维与混凝土基体粘结性不佳的缺陷。通过按照本申请的方式进行抗裂混凝土的施工，即使选用了高标号水泥，混凝土的开裂也能够得到有效的控制，从而改善了混凝土的抗裂性能。
Anti-crack concrete and construction method thereof
一种抗裂混凝土及其施工方法
WANG GUOJU (author) / LI ZHENYONG (author) / GE HANFENG (author) / CHEN LEI (author) / HUANG YONG (author) / ZHU CHENGJU (author) / XU LONGJIE (author) / LI XINDONG (author) / WANG ZHENYANG (author) / HOU RONG (author)
2024-04-30
Patent
Electronic Resource
Chinese
IPC:
C04B
Kalk
,
LIME
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