| 1. | Test for strongest , untwist and split impatient of the ferro - concrete products
强化混凝土的最大强度,耐弯折和耐裂度测试 |
| 2. | Standard test method for aromatic carbon contents of hydrocarbon oils by high resolution nuclear magnetic resonance spectroscopy
用高裂度核磁共振光谱法测定烃类油中芳香碳含量的标准试验方法 |
| 3. | Paints and varnishes . evaluation of degradation of paintcoatings . designation of intensity , quantity and size of common types of defect . part 4 : designation of degree of cracking
涂料和清漆.涂料表层剥蚀评定.常见缺陷的尺寸数量和程度的名称.第4部分：裂度名称 |
| 4. | Those include the load carrying capacity of the specimens in the limit state , the cracking load of the specimens , the crack width of the specimens and the deflection of the specimens
论文从四个方面进行研究：轻骨料混凝土板的正截面承载力，抗裂度，正常使用极限状态下的裂缝宽度和挠度计算。 |
| 5. | At the same time , it has some special virtues that are different from normal concrete , such as high heat preservation , inherent fire resistance , etc . the search of lightweight aggregate concrete began at 70 ' s in our country
它不但具有质轻的优点，还能提供普通混凝土的强度、抗裂度等力学性能。目前已广泛应用于桥梁以及各种工业民用建筑上。 |
| 6. | The main achievements of this thesis are as follows : l . the effect of the frp reinforcement ratio on cracking moment is analyzed . the calculating method and corresponding calculating formulas of flexural cracking moment of frp reinforced concrete beam are put forward
分析了纤维增强塑料筋配筋率对纤维增强塑料筋混凝土梁正截面开裂弯矩的影响，提出了纤维增强塑料筋混凝土梁正截面抗裂度的计算方法和相应的计算公式。 |
| 7. | An analysis is developed for influence factors that have some influence on joints " behavior . the results show that axial ratio has a good and visible effect on the capacity of joints ; that the higher concrete strength is , the higher the capacity of joints is ; the ratio of reinforcements and the thickness steel web of column have large influence on the ductility src joints , not but the capacity of src joints
分析表明：轴压比对节点的刚度、抗裂度的提高是有利的，且增大幅度较大；节点承载力和抗剪能力随混凝土等级的提高而提高；钢腹板厚度和配箍率的增大对节点承载力提高幅度不大，其对节点的延性影响较大。 |
| 8. | This article discussed the application of shear stress pairing method to evaluation dam base vibration liquefaction of earth - fill dam according to the problem that the sand and gravel layer of main dam base could be liquefied in the condition of seismic intensity grade vll in the design of nierji hydro project
本文结合尼尔基水利枢纽工程设计中主坝坝基砂砾石层( < 5mm含量> 30 =在地震裂度级工况下可能发生液化的问题，探讨了用剪应力对比法在评价土坝坝基震动液化中的应用。 |
| 9. | 4 . combined with the design of the three gorges prestressed concrete penstock with steel liner in the three gorges power . station , the consistence among the results of theory calculating , the analysis of plane finite element and three dimensional finite element is proved , the concrete stress distributions of the prestressed concrete penstock are analyzed with different steel liner thicknesses , different crack resistances , different concrete thicknesses and different initial radial gaps between steel liner and concrete . the feasibility of the design method of prestressed concrete penstock with steel liner is proved
结合三峡电站钢衬预应力混凝土联合受力压力管道的设计方案选择及论证分析，对比分析了钢衬预应力混凝土压力管道理论计算、平面有限元和管坝整体三维有限元分析结果的一致性，确定了管道结构在不同钢衬厚度、不同抗裂度要求、不同外包混凝土厚度及不同钢衬与管壁混凝土间初始径向间隙等因素影响下的内力分布规律，验证了钢衬预应力混凝土压力管道的设计方法。 |
