The model of restoring force for rc shear wall with concealed bracings is established . and the mechanics model and the calculative formulas of the bearing capacity are presented also . the calculating results on bearing capacity and stiffness of the specimens were found to agree well with the actual measured ones 建立了带暗支撑剪力墙的层恢复力模型，给出了刚度计算公式及在各种破坏形式下的力学模型、承载力计算公式；对试件承载力及刚度的计算与实测值符合较好。
I . a mtil ( iaxial elastic - plastic hardening - sofling constitutive model of concrete is proposed iii order to offer a nonlinear material model of concrete for space restoring force analysis of reinforced concrete members taking into account the softening behavior of concrete . the concrete material model is incorporated the elastic - plastic hardening fracturing constitutive model of concrete with the plastic - fracturing theory of concrete , modified without defining two loading functiomis , and based on five parameter power function failure criterion proposed by guo zheng - hai etc from tsingliua ( jniversity , or three parameter unified strength theory proposed by yu mao - hong from x ian iiaotong university 1 、将砼弹塑性硬化断裂本构模型与塑性断裂理论结合起来，并加以改进，但无需定义两个加载面，以清华大学过镇海建议的五参数幂函数或以西安交通大学俞茂宏建议的，参数统一强度理论作为砼的强度破坏准则，建立了砼多轴弹塑性硬化松驰本构模型，能为钢筋砼构件空间恢复力分析提供砼非线性材料模型，并能反映砼材料的软化段。
In order to solve the qos constrained multicast routing in mpls network , including bandwidth , delay , delay jitter , loss rate and cost , we construct a globally optimizing ant algorithm . based on the ant algorithm and qos , we study and develop an algorithm which can repair the multicast routing tree when the network multicast links fail . this algorithm can make traffic rerouting , recover network from failure and improve the ability of resilience 本文探讨了在mpls网络中，使用蚂蚁算法解决了包含带宽、延时、延时抖动、包丢失率和最小网络费用等约束条件在内的服务质量组播路由问题；并且在考虑服务质量的基础上，研究并设计了在网络出现链路故障之后，对组播路由树进行补救的算法，使得网络的业务流可以重路由，网络故障得到恢复，提高了网络的恢复力。
On the basis of the experimental research , calculation method of stiffness in different stage , ultimate bearing capacity of cavity sandwith panel infill steel frame are discussed and aseismic design method on the new lateral resistant system are concluded . this model is implemented into the analysis on the experimental steel frame and the results agree well with experimental results . the design method is presented according to the interacting of infill and frame 在试验研究的基础上，建立了空腔砌块复合墙体钢框架体系考虑退化的三线型恢复力特性模型，提出了模型各受力阶段的刚度计算公式、极限承载能力的计算方法和抗震计算方法，将该模型的计算方法用于本次试验钢框架，所得出的计算结果与试验吻合良好。
In order to develop and consummate the analysis theory and calculation method of base - isolated structures , based on the research on restoring force model of isolation systems and the analysis on the nonlinear seismic response of base - isolated structures , the analysis on multi - dimensional and lateral - torsional coupled seismic response of base - isolated structures is developed in this paper . according to the mechanical performance of isolation systems , detailed analysis and improvement of the present research , an unilateral and a bilateral coupled visco - elastic hysteretic model for rubber bearings , an unilateral and a bilateral coupled visco - elasto - plastic differential hysteretic model for lead rubber bearings , an unilateral and a bilateral coupled modified visco - plastic differential hysteretic model for sliding friction bearings are proposed 为进一步发展和完善基础隔震结构分析理论和计算方法，本文以隔震系统恢复力模型研究及基础隔震结构非线性地震反应分析为基础，对基础隔震结构的多维地震反应及平?扭耦联地震反应开展了以下几方面的研究工作：根据隔震系统力学性能的特点，在现有研究成果的基础上，对隔震系统恢复力计算模型进行了改进和创新，提出了普通叠层橡胶支座单向及双向耦合粘弹性恢复力计算模型，铅芯叠层橡胶支座单向及双向耦合粘弹塑性微分型恢复力计算模型，摩擦滑动支座单向及双向耦合修正粘塑性微分型恢复力计算模型。
