苏州混凝土水泥制品研究院有限公司

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发布时间:2020-01-06 00:00:00
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海洋围垦工程中混凝土的制备及性能研究
Preparation and Performance Research of Concrete in Marine Reclamation Engineering
2022年第12期
海工混凝土;普通混凝土;力学性能;耐久性能
Marine concrete; Ordinary concrete; Mechanical property; Durability
2022年第12期
10.19761/j.1000-4637.2022.12.014.04
国家自然科学基金面上项目(51878511)。
邢 则1,曹高俊1,吴 炎1,孙林柱2
1.温州市瓯飞经济开发投资有限公司,浙江 温州 325000;2.温州大学 建筑工程学院,浙江 温州 325000

邢 则1,曹高俊1,吴 炎1,孙林柱2

邢则,曹高俊,吴炎,等.海洋围垦工程中混凝土的制备及性能研究[J].混凝土与水泥制品,2022(12):14-17.

XING Z,CAO G J,WU Y,et al.Preparation and Performance Research of Concrete in Marine Reclamation Engineering[J].China Concrete and Cement Products,2022(12):14-17.

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摘   要:采用普通硅酸盐水泥、矿粉、粉煤灰为胶凝材料,制备了C25、C30、C40普通水泥混凝土试件,研究了该混凝土的劈裂抗拉强度、抗压强度、弹性模量、碳化深度以及氯离子扩散系数,并与以海工水泥为胶凝材料制备的海工混凝土相关性能进行了对比。结果表明:当胶凝材料用量相同时,所制备的普通水泥混凝土基本达到海工混凝土的相关性能要求,可用于海洋围垦环境下相关混凝土工程。 Abstract: The C25, C30, C40 ordinary cement concrete specimens were prepared by using ordinary Portland cement, mineral powder and fly ash as cementitious materials. The splitting tensile strength, compressive strength, elastic modulus, carbonization depth and chloride ion diffusion coefficient were studied. The relative properties of marine concrete prepared with marine cement as cementitious material were compared. The results show that when the amount of cementitious materials is the same, the prepared ordinary cement concrete basically achieves the relevant properties requirements of marine concrete, and can be used for relevant concrete projects in the marine reclamation environment.
英文名 : Preparation and Performance Research of Concrete in Marine Reclamation Engineering
刊期 : 2022年第12期
关键词 : 海工混凝土;普通混凝土;力学性能;耐久性能
Key words : Marine concrete; Ordinary concrete; Mechanical property; Durability
刊期 : 2022年第12期
DOI : 10.19761/j.1000-4637.2022.12.014.04
文章编号 :
基金项目 : 国家自然科学基金面上项目(51878511)。
作者 : 邢 则1,曹高俊1,吴 炎1,孙林柱2
单位 : 1.温州市瓯飞经济开发投资有限公司,浙江 温州 325000;2.温州大学 建筑工程学院,浙江 温州 325000

邢 则1,曹高俊1,吴 炎1,孙林柱2

邢则,曹高俊,吴炎,等.海洋围垦工程中混凝土的制备及性能研究[J].混凝土与水泥制品,2022(12):14-17.

XING Z,CAO G J,WU Y,et al.Preparation and Performance Research of Concrete in Marine Reclamation Engineering[J].China Concrete and Cement Products,2022(12):14-17.

摘要
参数
结论
参考文献
引用本文

摘   要:采用普通硅酸盐水泥、矿粉、粉煤灰为胶凝材料,制备了C25、C30、C40普通水泥混凝土试件,研究了该混凝土的劈裂抗拉强度、抗压强度、弹性模量、碳化深度以及氯离子扩散系数,并与以海工水泥为胶凝材料制备的海工混凝土相关性能进行了对比。结果表明:当胶凝材料用量相同时,所制备的普通水泥混凝土基本达到海工混凝土的相关性能要求,可用于海洋围垦环境下相关混凝土工程。

Abstract: The C25, C30, C40 ordinary cement concrete specimens were prepared by using ordinary Portland cement, mineral powder and fly ash as cementitious materials. The splitting tensile strength, compressive strength, elastic modulus, carbonization depth and chloride ion diffusion coefficient were studied. The relative properties of marine concrete prepared with marine cement as cementitious material were compared. The results show that when the amount of cementitious materials is the same, the prepared ordinary cement concrete basically achieves the relevant properties requirements of marine concrete, and can be used for relevant concrete projects in the marine reclamation environment.

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(1)在总胶凝材料用量不变的情况下,普通水泥混凝土与海工混凝土7 d劈裂抗拉强度基本一致,60 d海工混凝土的劈裂抗拉强度稍高;普通水泥混凝土与海工混凝土的抗压强度发展规律基本相同,抗压强度差别不大;但普通水泥混凝土的弹性模量低于海工混凝土。
(2)普通水泥混凝土和海工混凝土的碳化发展规律基本相同,在强度等级、龄期相同时,普通水泥混凝土比海工混凝土的抗碳化能力低;普通水泥混凝土比海工混凝土的氯离子扩散系数小,其抗氯离子渗透性能较好。
(3)通过对比普通水泥混凝土和海工混凝土的性能,表明,采用普通硅酸盐水泥、合理运用矿粉、粉煤灰等掺合料,通过复合外加剂调控,制备出的普通水泥混凝土基本可以达到海工水泥制备的海工混凝土的相关性能,目前,已成功应用在温州瓯飞围海造地工程中。

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邢则,曹高俊,吴炎,.海洋围垦工程中混凝土的制备及性能研究[J].混凝土与水泥制品,2022(12):14-17.

XING Z,CAO G J,WU Y,et al.Preparation and Performance Research of Concrete in Marine Reclamation Engineering[J].China Concrete and Cement Products,2022(12):14-17.

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