| 1. | The dynamic loading resulting from blast, gusts of wind, or seismic forces is generally not harmonic .
由于冲击波，阵风或地震力所产生的动力荷载一般不是谐和的。 |
| 2. | Factually there is no assurance for ductility in this coefficient . furthermore , the seismic force is comparatively lower in design than in fact . both of them necessarily increase the seismic risk
实际规范中并没有延性构造保证，加之我国当前设计地震作用相对偏低，更增加了地震破坏的危险性。 |
| 3. | The paper is concerned with aseismic behaviour of the shear wall structure with steel reinforced concrete ( src ) and reinforced concrete ( rc ) supporting frames and girder transfer floor under horizontal load of seismic force
框支剪力墙结构的特点是“上刚下柔” ，即上部楼层的侧向刚度大于下部楼层，不利于抗震。 |
| 4. | The passed - joint hypo - beam as the first line of defence organization against horizontal force ineluctably bear most curves during the first period under the seismic force , which ca n ' t be balanced by the pre - stressing force of the pre - stressed hypo - beam , therefore , the first crack will occur on it ' s end and at last develop into the plastic - hinge
2 、通过本次试验，并结合他人的一些研究成果，我们应该可以认为边梁扭矩对节点的受力性能是有利的。弯、剪、扭的受力机制并不会使节点的抗震性能有明显的降低。 |
| 5. | For architectural requirements , residnces have many walls . as a result it is comparatively resonable that sub - high rise residences are frame - wall structures or shear wall structures we a1l know that shear wall structures have large sectional area and the capability of bearing vertical loads is respectively high . nevertheless , under seismic forces they have large inertia forces and small lateral displacemente
由于传统现浇钢筋砼剪力墙结构的墙体截面积大，故承受竖向荷载的能力比较容易满足，但墙体的自重、刚度大，在地震作用下惯性力大、侧向位移很小，所以一般认为剪力墙结构延性差，属于脆性结构。 |
| 6. | Using the model parameter from the dynamical experiment , the integrated parameters can be disassembled , thus the structure ' s frequency and the influencing coefficient of their oscillation mode are solved . it ' s tested from the model experiments and fem that the model given by the article has the virtue of explicit concept and convenient method and high accuracy , and it can give reference to evaluate the load capacity of bridge . in the end , in order to assess the existing bridge ' s seismic resistance performance , force reduction factor with ductility is recommended to reflect the seismic force of the structure during the elastic and plastic periods
另一方面，由动力相似理论建立了室内模型，并进行室内动力试验，借助量测到的模态参数分解出综合参数，可以反推结构频率及振型参与系数。试验结果、有限元计算值表明，本文建立的模型概念明确、计算方法简便、精度较高，可以为动测法评定桥梁结构承载力提供参考。最后，从延性的角度给出强度折减系数来考虑结构进入弹塑性阶段的地震力，从而对桥梁的抗震性能做出评价。 |
| 7. | Considering that the traditional cast - in - situ r . c . shear wall structure has such disadvantages as large self - weight , stiffness and seismic forces , poor ductility and energy wasting , the subject puts forward a new type of hollow shear wall of r . c . stucture with seams which has the advantages of not only high bearing capacity but also small self - weight , stiffness and good ductility and so on . it is a new kind of earthquake resistant and energy - saving structure
针对传统现浇钢筋混凝土剪力墙结构自重大、刚度大、自振作用大、延性差以及保温隔热等建筑节能性能差等诸多缺点，本课题对其进行改革，提出了一种新型的带缝空心钢筋混凝土剪力墙结构，此结构具有自重轻、刚度小、延性及变形能力好、耗能能力强等优点，是一种新型抗震、节能的承重结构。 |
| 8. | At last , take a three - storeyed and two - span reinforced concrete frame as example , its damage value under cyclic load at different time is computed by the program . and the damage evolution curve of different element and whole structure is also obtained . as result the damage evolution law of reinforced concrete structure under cyclic load is found , which provides basis for the study of collapsing mechanism of reinforced structure under seismic force
最后，以一个三层两跨的钢筋混凝土框架为例，应用作者自编的程序计算了循环荷载作用下该框架结构在不同时刻的损伤值，并给出了其不同构件及整体结构的损伤演化曲线，揭示了循环荷载作用下钢筋混凝土框架结构的损伤演化规律，为地震力作用下钢筋混凝土结构的倒塌机制问题的研究提供了依据。 |
| 9. | On the basis of the theory and computing method in this paper , the author worked out corresponding program to compute hysteretic model on section and damage value of the structure under seismic force at different time . then the numerical simulation of the collapsing process of reinforced concrete structure is thus realized
基于本文提出的理论和计算方法，笔者用visualc + +语言编制了计算截面恢复力模型及结构在地震力作用下不同时刻损伤值的相应程序，实现了地震力作用下钢筋混凝土框架结构倒塌过程的数值模拟。 |
| 10. | Stability of seismic resistance and dynamic response analysis for ash dams . by psedo - static analysis and seismic dynamic response analysis with fem , safety coefficient under designed seismic force , stress , strain and acceleration amplification factor have been provided . based on upper analysis , related computing program has been provided . by applying it to the ash dams of qinghe power plant , good agreement has been found between calculation results and real conditions
通过上述一系列的理论分析，本文最后给出了用于评价灰坝坝体稳定的计算程序，并在清河电厂的灰坝计算中得以应用，结果显示计算收敛快，稳定性好，结论与实际情况吻合。 |
