结构工程

Combined with indoor experiments and concrete blasting engineering projects and according to the theories of elastics, dynamic waves and dynamic fracture mechanics, this chapter thoroughly discussed the influence of rock structure on energy distribution of explosive charge, stress wave and blasting results.

岩体对爆炸荷载反作用的研究：从辩证法的角度出发，提出了爆炸荷载与岩体之间是一种作用与反作用的关系，结合室内实验和具体的工程爆破实践，依据弹性理论、断裂力学理论和波动理论，详尽地讨论了岩体结构面对爆炸能量分布的影响、岩体结构面对爆炸应力波的反作用和岩体结构面对爆炸效果的影响等问题。

And the effect of the stiffness ratio on dynamic characteristics of arch transfer floor structure was analyzed by using finite method.

提出了一种新型转换层结构形式—拱式转换层结构，并利用有限元方法分析了转换层、下刚度比对该结构动力特性的影响，得到了一些相关结论，供工程设计参考。

In this Standard, the setting levels for reliability are raised; the contents of high strength concrete are amended; the Grade III steel bar, high strength steel wire and strand are defined as the main stress-undertaking steel bar; the contents of structural analysis and durability design are added and the measures for concrete crack restriction are amended.

混凝土结构设计规范》提高了可靠度的设置水平，补充了高强混凝土，确定了Ⅲ级钢筋及高强钢丝、钢铰线为主导受力钢筋，增加了结构分析及耐久性设计的内容，补充了限制混凝土裂缝的措施。修订后的《混凝土结构设计规范》对保证工程质量，促进技术进步，实现与国际接轨等方面有了重大进展，达到了国际先进水平。主编：李明顺徐有邻

The presentation introduces conditions, features and difficulties in the recovery project of Shanghai Metro Line 4, by stating cons and pros of overall proposal of recovery design, the safeness of support and bracing structure for hyper deep foundation, influence of mid-river cofferdam on existing sound tunnel and hyper deep foundation, structural design selection for connection section of the mined tunnel, water-proofing option for hyper deep foundation in confined aquifer soil.

报告介绍了上海地铁4号线修复工程建设条件、特点和难点，陈述了对修复设计总体方案取舍、超深基坑支护结构安全度、江中围堰对完好隧道及超深基坑的影响、暗挖连接段的结构设计方案选择、处于承压含水层中的超深基坑的结构防水等内容。

Outline of the Presentation The presentation introduces conditions, features and difficulties in the recovery project of Shanghai Metro Line 4, by stating cons and pros of overall proposal of recovery design, the safeness of support and bracing structure for hyper deep foundation, influence of mid-river cofferdam on existing sound tunnel and hyper deep foundation, structural design selection for connection section of the mined tunnel, water-proofing option for hyper deep foundation in confined aquifer soil.

报告内容介绍报告介绍了上海地铁4号线修复工程建设条件、特点和难点，陈述了对修复设计总体方案取舍、超深基坑支护结构安全度、江中围堰对完好隧道及超深基坑的影响、暗挖连接段的结构设计方案选择、处于承压含水层中的超深基坑的结构防水等内容。

In order to study the deformation destructive pattern and influence rule of box tunnel lining structure cross the ground fissure with 30 degree, based on the background of Xi'an metro engineering and the geological environment of Xi'an ground fissure, the similar constant of box tunnel lining structure modelling experiment was designed according to the similar theory, furthermore, the parameters of model concrete, model reinforcement bar and model structure country soil were designed.

为了研究小角度（30°）斜穿地裂缝的箱型隧道衬砌结构在地裂缝影响下的变形破坏模式和影响规律，从西安地铁工程背景和西安地裂缝地质环境出发，根据相似理论设计了箱型隧道衬砌结构模型试验的相似常数，在此基础上对模型混凝土、模型钢筋、结构围岩参数等进行了设计。

The purline design of the roof and the type of joint connections in the Guangdong Sciences Center were introduced and analyzed.

对广东科学中心屋面维护结构檩条设计及节点连接形式进行了介绍和分析，并探讨了在维护结构和主体结构节点连接中使用承压型高强螺栓连接的工作机理、力学性能，为工程设计中应用提供有益的参考。

Through the design and practice of light-type steel structure, the author introduces the design elements of the workshop's pile, beam, roofing purline , node and rigid frame's zoccola with the structure, in order to make the structure more economic and rational, which to offer a reference for engineering and technicians.

通过轻型钢结构的设计与实践，介绍了其结构厂房柱、梁、屋面檩条、节点及刚架柱脚的设计要点，从而使结构变得更经济合理，对工程技术人员具有一定的参考价值。

At the present time, the study on the safety prewarning theory of engineering structure mainly focuses on the construction of the hydro-structure and deep foundation ditch.

目前，国际国内对于工程结构的安全预警理论的研究主要集中在水工结构和深基坑等施工结构上。

Based on this,189 bridgesin the actual projects as a sample were selected,the connection between static test result anddanymic test result was built in this paper in order to assess the structure\'s bearing capacity bydynamic characteristics of bridge.The main contents are as followings:(1)On the base of actual observation records of bridge samples,the mechanicalproperties of the assembly slab bridge is obtained,and the mechanical characteristic ofhinged joint and bridge deck,the distribution of the guard rail in transverse direction are alsodiscussed.Based on the above analysis,the rational theoretical model is built,which offerssome reference to assess the structure\'s bearing capacity.

基于此，本文在实际工程项目中选取189座板桥作为样本，通过对样本桥梁实测静载挠度、应变和动载频率进行统计回归分析，建立桥梁结构动载试验结果与静载试验结果之间的关系，通过桥梁结构动力特性来评定结构承载力，论文主要完成了以下几个方面的工作：(1)以样本桥梁实测数据为基础反演装配式板桥受力特性，确定各种型式装配式板桥的铰缝受力特点、桥面铺装层受力特点以及护栏沿桥面横向分配原则，以此建立真实反映装配式板桥受力特点的理论计算模型，为装配式板桥承载力评定提供理论计算依据。

Lugalbanda was a god and shepherd king of Uruk where he was worshipped for over a thousand years.

Lugalbanda 是神和被崇拜了一千年多 Uruk古埃及喜克索王朝国王。

I am coming just now,' and went on perfuming himself with Hunut, then he came and sat.

我来只是现在，'歼灭战perfuming自己与胡努特，那麼，他来到和SAT 。