Study on thermal performance and application of air-entrained rubber concrete block 引气橡胶混凝土砌块的热工性能及应用研究
Research and Application of Air-Entrained Concrete to Prestressed Box Girder of Qingdao Bay Bridge 引气混凝土在青岛海湾大桥工程预应力桥梁中的应用研究
Mechanical properties of air-entrained concrete in freezing-thawing circumstance 冻融环境下引气混凝土力学性能研究
Investigation on Influence of Air-entrained Water Reduce Agent on Mechanical Properties of Recycle Concrete 引气减水剂对再生混凝土力学性质的影响研究
Experimental investigation on durability of low-intensity high fluidity air-entrained concrete 低强度大流动性引气混凝土耐久性的试验研究
Experiment on frost resistance durability of air-entrained pumice lightweight aggregate concrete 引气浮石轻骨料混凝土抗冻耐久性的试验研究
Application of Asphalt Mixture Transfer Truck in Construction of Asphalt Pavement Test Research and Construction Technology of Mix Proportion for Air-entrained Lightweight Aggregate Concrete 沥青混合料转运车在沥青路面施工中的应用引气轻骨料混凝土配合比试验研究及施工技术
Test Research and Construction Technology of Mix Proportion for Air-entrained Lightweight Aggregate Concrete 引气轻骨料混凝土配合比试验研究及施工技术
The causes of air-entrained concrete wall crack and its control measures 加气混凝土墙体裂缝的原因及其控制措施
Experiment study on mechanical properties of air-entrained lightweight aggregate concrete 引气轻骨料混凝土力学性能的试验研究
Research on Freezing-thawing Durability of Air-entrained Concrete Exposed to Salt Lakes 引气混凝土在中国盐湖环境中抗冻性的研究
The results show that carbonation resistance of air-entrained concrete are evidently better than that of ordinary concrete at equal strength. 结果表明:在同强度条件下,引气型混凝土的抗碳化性能显著高于普通混凝土。
The control measurement of the vacancy and crack of the plaster layer of the fly ash and air-entrained concrete wall 粉煤灰加气混凝土墙体抹灰层空裂的防治措施
To improve the homogeneity of large flowing lightweight concrete, fly ash and air-entrained admixture are incorporated together into concrete and high performance lightweight concrete was prepared. 为改善大流动性轻集料混凝土的匀质性,采用粉煤灰和引气剂复合技术,配制出高性能轻集料混凝土。
Research on New Type Masonry Mortar for Air-entrained Concrete 加气混凝土用新型抹灰砂浆的研制
Effect of air-entrained admixture and fly ash on property of large flowing lightweight concrete 引气剂与粉煤灰对大流动性轻集料混凝土性能的影响
The results show that the effect of air-entrained agent on large slump of fresh lightweight aggregate concrete is slight and effect on viscosity is distinct. 研究表明:引气剂对大流动性轻集料混凝土的坍落度的影响不大,对黏度影响较大;
Adding air-entrained agent can enhance the heat preservation performance of pumice concrete and improve its durability. 利用掺引气剂等方法可以进一步提高浮石混凝土及其制品的保温性能,并能适当改善其耐久性。
It analyzes causes of cracks of fly ash air-entrained concrete block wall including design 、 construction and management, puts forward technical measures to settle cracks, it has obvious effect in improving quality of engineering and ensuring application function. 分析了粉煤灰加气混凝土砌块墙体裂缝形成的设计、施工、管理等方面的原因,提出了解决墙体裂缝的各种技术措施,对提高工程质量、保证使用功能有其显著效果。
In addition, the experiment of air-entrained ones indicated that increasing rate of mass loss and decreasing rate of dynamic elasticity modulus become more slowly with the increase of air content, and the frost resistance of pumice lightweight aggregate concrete gradually becomes strong. 而引气后的浮石轻骨料混凝土随着含气量的增加,质量损失的增长速度和动弹性模量的下降速度逐渐减慢,浮石轻骨料混凝土的抗冻性能逐步增强。
This paper firstly produced two different original concrete: air-entrained concrete and non-entrained concrete. After 28 days of conservation the compressive strength was identified and found out that after air-entrained the strength was significantly reduced. 本文首先制作两种不同的原生混凝土,引气原生混凝土和非引气原生混凝土,养护28天后测得了原生混凝土的抗压强度,对比后发现引气后混凝土的强度大大降低。
As a main measure to improve the frost resistance of concrete, air-entrained concrete has been applied to many kinds of engineering and has got very clear financial and social effects. 而引气已成为提高混凝土抗冻性的一项主要措施广泛应用于各种混凝土工程中,并取得了明显的经济效益和社会效益。