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- The types of those cracks are summarized as three kinds: plastic shrinkage cracking, dry shrinkage cracking and hydration heat cracking. 将引起混凝土裂缝的类型归纳为塑性收缩开裂,干燥收缩开裂,水化热开裂三种,并对其表象及成因进行了阐述。
- Method of test for drying shrinkage cracking of restricted concrete 限制混凝土干燥收缩断裂的试验方法
- Effect of Fiber Reinforcement on Early Drying Shrinkage Cracking of Hardened Cement Based Material 纤维增强对水泥基材料早期干缩开裂性能的影响
- Reasons analysis of dry shrinkage crack of cement stabilized gravel base course 水泥稳定砂砾基层干缩裂缝原因浅析
- The Cause and Treatment of Drying Shrinkage Crack of Bituminous Concrete Pavement 沥青混凝土路面干缩裂缝的成因及处理
- drying shrinkage cracking 干缩开裂
- The causes of dry shrinkage crack in cement stabilized base course and its preventive measures 水稳类基层干缩开裂的原因及预防措施
- The influence of shear-pattern steel fiber on plastic cracking, drying shrinkage and mechanical properties of concrete is studied by experiments. 摘要通过试验研究剪切型钢纤维对混凝土的塑性开裂、干燥收缩及混凝土力学性能的影响。
- dry shrinkage crack 干缩裂缝
- Assessment of critical stable height of vertical cut slopes of unsaturated soils considering drying shrinkage cracks on ground 考虑干燥裂缝时非饱和土垂直切坡临界自稳高度
- dryness shrinkage crack 干燥收缩裂缝
- The drying shrinkage and self-shrinkage of concretes with different water to binder ratios were studied. 实验研究了不同水胶比的混凝土干缩性能及自收缩性能。
- This paper analyzes the cause and precautionary measures of concrete structure shrinkage crack. 摘要文章主要分析了混凝土工程收缩裂缝成因,提出了预防措施。
- It is generally considered that drying shrinkage occurs because of the capillary tension as a result of water lost from capillary. 混凝土的干燥收缩机理通常用毛细孔失水,形成弯月面,在毛细孔张力的作用下产生收缩。
- Authors studied the influence of different kinds, quantity and length of polypropylene fiber on early stage plastic shrinkage crack of mortar. 研究不同品种、掺量、长度的聚丙烯纤维对砂浆早期塑性收缩裂缝的影响。
- The corrosion resistance and freeze/thaw resistance of alkali-activated cement are much better, and the drying shrinkage rate is much greater than ordinary portland cement. 碱?磷渣?粉煤灰胶凝材料的耐蚀性和抗冻性能均显著优于硅酸盐水泥,其干缩比硅酸盐水泥的大。
- The results indicated that high C3S cement had higher strength and less drying shrinkage and can largely utilize fly ash (up to 40% of fly ash may be added). 结果表明,高C3S水泥具有较高的强度和较小的干缩,可大量利用粉煤灰(掺量可达40%25)。
- The calculation formula on joint open has been set up with the consideration of hogging distortion caused by temperature, expansion deformation and drying shrinkage. 建立了考虑温度翘曲变形、伸缩变形和干缩变形等影响的接缝张开量的计算公式。
- In this paper, the influence of steel fiber, polypropylene fiber and glass fiber on free shrinkage and restrained shrinkage cracking of high performance concrete(HPC) are investigated. 本文通过大量试验分析研究了钢纤维、合成纤维、玻璃纤维对自密实高性能混凝土自由收缩、非自由收缩裂缝的影响。
- Some durability tests such as drying shrinkage test, sulphate attack test, briny erode test, freezingand thawing recycles test and reinforcing steel rust test are taken on. 为此本文亦进行了掺加JYQ796型高效无机防水防潮剂的水泥砂浆或混凝土的一系列耐久性实验,如干缩实验,抗硫酸盐侵蚀、抗海水侵蚀、抗冻融循环、抗钢筋锈蚀等。