| 1. | A statically indeterminate structure will usually sustain loads in excess of that at first yield before instability occurs .
超静定结构通常在失稳之前，既使超过第一个屈服点还能承受载荷。 |
| 2. | Strength under sustained load
长期载荷下的强度 |
| 3. | Sustained load tension test
持续载荷张力试验 |
| 4. | Sustained load tensile test method of metals for resi - stance to sulfide stress corrosion cracking
金属抗硫化物应力腐蚀开裂恒负荷拉伸试验方法 |
| 5. | Five sets of long - term axial loading equipment were designed and manufactured . the component of long - term loading test comprised axial creep and creep recovery at two different level of sustained load
试验中,获取了不同损伤程度加固柱在长期荷载作用下的试验数据,同时考虑了不同大小轴压荷载的影响。 |
| 6. | Improvements in performance include reductions in specific fuel consumption ( 4 % ) , take - off distance ( 10 - 20 % ) , minimum speed ( 100 kias ) , time to climb and increase in specific excess power , sustained load factor and sustained turn rate ( 15 % )
性能改进方面包括减少4 %的耗油率，缩短10到20 %的起飞距离，减少最低速度大约一百指示空速节，缩短爬升时间和增加单位剩余功率，提升15 %的持续回转率与持续负载系数。 |
| 7. | In most cases , attention should be paid both to bearing capacity and deflection of structural members in order to satisfy the applicability , durability and security . therefore it ' s essential to study the stiffness and bearing capacity of structural members strengthened with frp under sustaining load
但是为了使结构满足适用性、耐久性和安全性，只注意构件的承载力是不够的，很多情况下还需要控制结构的挠度，因此有必要对加固后构件的刚度进行研究；而且对持续荷载作用下进行加固后的承载力也需做进一步研究。 |
| 8. | : 36 < kth < 37 mpa / m3 / 2 , 42 < kih < 44mpa / m3 / 2 , 51 < kc < 52 mpa / m3 / 2 through the sem fractography , it is know that the susceptibility to brittle failure at room temperature is more than below 100 ? . and the susceptibility to brittle failure increase with hydrogen increasing , under the sustained loading , ductile cracking appears . the quantity of brittle cracking is more with crack growth
T44mpa m ‘ q ， sl lt52mpa in ’ ”断口分析表明，该合金充氢后其室温时的氢脆敏感性大于100oc时的氢脆敏感性；且随氢含量升高，氢脆敏感性增加：在恒载荷的作用下，该合金裂二纹开始扩展时显示的是韧性起裂；随裂纹增长，试样脆性断裂的比例增大。 |
| 9. | 7 ) the tri - linear hypothesis between moment and curvature is fit to actual state , and the deflection formula which deduced by the hypothesis is agreed with the test results . therefore it can be used as the formula to calculate the deflection of rc members strengthened with frp under sustaining load
7 .加固后构件的弯矩一曲率曲线三线性假设能够反映实际情况;根据推导的挠度计算公式计算的挠度值与试验值相比吻合较好，因此可以作为frp加固钢筋混凝土受弯构件的挠度计算依据。 |
| 10. | A comparison of results calculated using this model shows good agreement with those of test . based on the theoretical model , influences of the changing time immediately after loading , time under sustained loading , strength of the materials , load ratio , frp ratio , slenderness ratio and load eccentricity ratio on the long - term effects are discussed . an attempt to predict the stress - strain relations of the core concrete after sustaining axially of eccentrically compressive load by means of a model that is proposed
基于aci209 ( 1997 )方法，建议了一种适合于长期荷载作用下frp约束混凝土构件变形的分析模型和计算方法，理论结果和试验结果基本吻合，进而分析了加载龄期、持荷时间、轴压比、含frp率、 frp抗拉强度、混凝土强度、长细比和荷载偏心率等因素对长期荷载作用下frp约束混凝土构件变形性能的影响规律。 |
