plastic shrinkage cracks meaning in Chinese
塑性收缩裂缝
Examples
- Effects of water - cement ratio on plastic shrinkage cracking of concrete
水灰比对混凝土塑性收缩裂缝的影响 - 4 ) the effects of fly ash and silica fume on plastic shrinkage cracking were related to the actual w / b ratio of concrete mixture
对粉煤灰，这一水胶比界限约为0 . 36 ，对硅灰约为0 . 4 。 - The judge criterion of plastic shrinkage cracking for cement based material was studied through the testing of plastic tensile strength and plastic shrinkage capillary stress of cement mortar and concrete
摘要采用自行设计的塑性抗拉强度、塑性收缩开裂应力测定装置测试了水泥砂浆、混凝土塑性抗拉强度和塑性收缩开裂应力。 - The trends of plastic shrinkage cracking in concretes made with the same water or cement paste content per cubic meter are similar with the above case , but the critical w / c ratio is about 0 . 45 - 0 . 4 and 0 . 4 , respectively
2 ）在一定砂率范围内，较低和较高砂率对应的混凝土拌合物不易开裂，而中间某一临界砂率对应的混凝土拌合物开裂较大，这一临界砂率变化范围为36 - 43 % 。 - There was a borderline w / b ratio , above which concretes containing fly ash or silica fume were more sensitive to plastic shrinkage cracking than that of concretes without fly ash or silica fume , and below which fly ash or silica fume high performance concretes can restrain the plastic shrinkage cracking
6 ）在室内控制环境条件下，降低环境温度、风速以及提高相对湿度均可减少新拌混凝土水分蒸发速率，从而减少塑性收缩裂缝。相比之下，提高环境相对湿度对减少水分蒸发和裂缝更为明显。