Common test methods for insulating and sheathing materials of electric and optical cables - part 1 - 3 : general application - methods for determining the density ; water absorption tests ; shrinkage test ; amendment 1 电缆绝缘和护套材料通用试验方法.第1 - 3部分:一般应用方法.密度测定方法.吸水试验.收缩试验.修改件1
Common test methods for insulating and sheathing materials of electric and optical cables - part 1 - 3 : methods for general application - methods for determining the density - water absorption tests - shrinkage test 电缆和光缆的绝缘和铠装材料的通用试验方法.第1 - 3部分:一般应用方法.密度测定方法.吸水试验.收缩试验
Insulating and sheathing materials of electric cables - common test methods - general application - methods for determining the density - water absorption tests - shrinkage test - section 3 : methods for determining the density - water absorption tests - shrinking test 电缆绝缘和护套材料.通用试验方法.一般应用.密度测定方法.吸水试验.收缩试验
With a slab test of restricted shrinkage , the effect of polypropylene fiber , steel fiber and expansive agent on early - age plastic shrinkage and cracking of concretes with high content mineral admixtures is investigated 摘要采用平板限制收缩试验法，研究了聚丙烯纤维、钢纤维与膨胀剂及其复合技术对大掺量矿物掺合料混凝土早期塑性收缩开裂的影响。
In this paper , the rapid repairing method using cement concrete lamina is presented , two key designing parameters are analyzed : the interfacial bonding strength of new and used concrete and the shearing stress in interface 本文阐述了水泥混凝土路面快速薄层修补的方法，研究了修补中两个重要设计参数：新老混凝土界面抗剪粘结强度和新老混凝土粘结面剪应力，并进行了新老混凝土界面抗剪粘结强度试验和混凝土收缩试验。
In the aspect of improving the cracking feature , compatibility and flexibility , the author has done experiments , including strength , modulus of elasticity experiments , and design some experiments similar to the practical structure and circumstance including adhesion strength between fresh mortars and old ones , between mortar and polystyrene board , mortar shrinkage in concrete circle , mortar shrinkage at different strength and different polymer - cement ratio , and temperature deformability at different strength and different polymer - cement ratio on mortars , on different type of formwork and on mortars with different type of formwork 在改善砂浆抗裂性、提高柔韧性和协调变形能力方面，进行了不同聚合物掺量的强度试验、弹性模量试验；设计了与模网混凝土实际结构和情况相接近的新老砂浆粘结强度试验、砂浆与苯板的粘结试验以及混凝土环中的砂浆收缩试验；进行了不同强度、不同聚合物掺量下的砂浆干缩变形试验、温度变形试验，以及不同结构形式的钢网自身温度变形试验和配有钢网的砂浆温度变形试验。
