预应力混凝土地下车库施工技术

介绍了采用板柱结构体系的预应力混凝土地下车库的优点。结合实际工程,对预应力混凝土地下车库施工过程中的主要内容、技术难点及解决办法进行了分析。     

狭窄场区地下车库超限模架分析与研究

某住宅群体工程场地狭小,料场布置困难,住宅楼地下4层、车库地下3层,地下1层覆土2.5 m,在设计时为了应对车库覆土荷载,加大了梁、板的结构尺寸,形成了地下1层大多数构件均是超限的工况,且地下车库存在大量的斜梁、斜板,整体模架布置困难。经分析研究认为：车库模架布置需从地下3层开始规划,确保立杆传力位置对齐,通过车库顶板堆料解决结构期间场地狭小的工况,以达到充分调动施工资源、保障施工顺利开展的目的。     

地下车库顶板结构施工方案的经济对比分析及要点

通过对上海某地下车库顶板结构的预应力混凝土方案和普通混凝土梁板的方案经济对比分析,得出了在有覆土的地下车库顶板中采用预应力方案能获得更好的使用功能,并可降低工程造价,经济效益显著。     

金山生活区八期地下室顶板预应力设计与探讨

本文通过金山生活区八期地下室顶板预应力设计实践，摘要阐述了该设计中一些针对性的分析讨论和专业细节，为地下大型车库这种典型应用中推广无粘结预应力板柱结构体系提供了参考。     

大柱网带平托板无粘结预应力无梁楼盖结构在福建会堂大型多层地下车库中的

本文结合福建会堂工程结构设计实践,介绍了带平托板预应力无梁楼盖的结构设计方法。工程应用表明,大型多层地下车库采用预应力无梁楼盖结构,与常规结构相比,可以降低地下室层高,减少基坑开挖深度和土方开挖量,降低围护结构造价,改善结构使用功能、方便、快捷施工、有明显的综合经济效益和社会效益。     

大柱网预应力混凝土结构在地下车库中的应用

分析了建造地下车库存在的问题,阐述了地下车库的结构特点,探讨了大柱网预应力混凝土结构在地下车库中的应用,并结合预应力混凝土的优点介绍了地下车库运用预应力结构的经济性、耐久性和实用性,为设计科学、合理、快捷的地下车库提供了参考。     

大柱网带平托板无粘结预应力无梁楼盖结构在福建会堂大型多层地下车库中的应用与研究

本文结合福建会堂工程结构设计实践 ,介绍了带平托板预应力无梁楼盖的结构设计方法。工程应用表明 ,大型多层地下车库采用预应力无梁楼盖结构 ,与常规结构相比 ,可以降低地下室层高 ,减少基坑开挖深度和土方开挖量 ,降低围护结构造价 ,改善结构使用功能、方便、快捷施工、有明显的综合经济效益和社会效益。     

中小高层建筑地下室设计浅谈

本文针对中小高层建筑地下室的设计,分别对基础的选型;地下室底板抗浮设计;建筑物上部结构、地下室、地基的相互作用关系;高层主楼与地下室车库之间的处理方法;地下车库楼盖的结构形式等几个方面进行了探讨。从经济合理性的角度提出了自己的一些观点,比如地下室部分采用独立柱基加抗水板的方案,地下室底板采用抗浮锚杆抗浮的方案,地下车库楼盖采用无粘结预应力技术或现浇钢筋混凝土空心楼盖等,这些经验都将会带来较好的经济效应。     

中小高层建筑地下室设计浅谈

本文针对中小高层建筑地下室的设计,分别对基础的选型;地下室底板抗浮设计;建筑物上部结构、地下室、地基的相互作用关系;高层主楼与地下室车库之间的处理方法;地下车库楼盖的结构形式等几个方面进行了探讨。从经济合理性的角度提出了自己的一些观点,比如地下室部分采用独立柱基加抗水板的方案,地下室底板采用抗浮锚杆抗浮的方案,地下车库楼盖采用无粘结预应力技术或现浇钢筋混凝土空心楼盖等,这些经验都将会带来较好的经济效应。     

现浇PC空心板在地下车库结构应用相关问题的探讨

预应力混凝土空心板结构目前已在很多小区地下车库顶板中得到应用.但在设计过程中,仍有一些问题急待解决:如预应力筋布置形式、剪力墙对结构内力的影响和裂缝控制等.文章以一典型的地下车库结构为例,对上述问题进行有益的探讨.     

Zustandsuntersuchung und Instandsetzung am Hauptdach des Hauses der Kulturen der Welt in Berlin

The main roof of the ”Haus der Kulturen der Welt“ in Berlin Which is very well‐known on account of its history and striking structural design – was to be inspected by the author to determine its condition and analysed with regard to the durability of the existing liquid synthetic sealant. The roof structure consists of a biaxial, curved area‐covering structural element with circumferential edge beams of pre‐stressed lightweight concrete. This is the result of the reconstruction between 1984 and 1987 following a partial collapse of the then Berlin Congress Hall in 1980. The very thin roof shell is also made of lightweight concrete and, like the edge beams, has a polyurethane‐based spray‐on seal that was specially developed for this purpose as protection against the ingress of moisture. The reason why this, at the time, novel type of seal was chosen was that it should take into account the fact that the roof design urgently needed some kind of protection against moisture that had to compensate the expected changes shape and crack movements of the roof with no damage. The following article reports on the nature, scope and main results of the analysis of the condition of the roof seal, edge beams and abutments. It will also describe the repair recommendations resulting from the investigations, which form the basis of the execution of work at the present point in time. Apart from presenting the technical principles and special features of the building that have to be taken into account during any repairs, the special features of the execution will also be addressed.     

Magnetoelastische Spannkraftmessung in Bauwerken

Magnetoelastic Measurement of Prestressing Force in Civil Structures The knowledge of the tensile force of prestressing steel elements and its reliable and non‐destructive determination are of essential importance for the assessment of the structural health condition of prestressed concrete structures and tie‐back systems in terms of structural safety, serviceability and durability. For the evaluation of the prestressing force in steel tension members, the measurement technique presented in this contribution is using the magneto‐elastic effect (ME‐effect) of ferromagnetic materials. This effect describes the reverse‐proportional correlation between the mechanical stress and the magnetic properties of ferromagnetic materials. The cylindrical coiled sensors pushed over the tendon and the measuring device developed and practically optimized at the iBMB/MPA of the TU Braunschweig enable a fast and reliable measurement of the prestressing steel force after an initial calibration. In this contribution first the state of the art of prestress measurement techniques for steel tension members is presented. Afterwards, the ME‐measuring method with the basics and merits of magneto‐elastic prestressing force identification is shown. Further recent research results as well as several building applications will be discussed.     

机制砂在隧道耐久性混凝土运用中的质量控制

从母岩的选料、级配控制、石粉和泥土含量控制三个方面阐述了控制机制砂质量的重要性，并提出了可将隧道混凝土机制砂的石粉含量限值放宽到10％的建议，以促进耐久性混凝土的研究。     

项目临时性组织性质的研究

指出从组织论角度看项目具有临时性组织的性质，对项目的定义进行了思考，从生产功能、代理机构、代理不确定性事务及项目管理者角度论述了作为临时性组织的项目，以促进对项目的理解和研究。     

Die neue Lahntalbrücke Limburg im Zuge der BAB 3 – Wettbewerb und Entwurf

The new bridge over the river Lahn near Limburg as part of BAB 3, Germany – Competition and Design The effort of the responsible engineers and architects at the Lahntalbrücke Limburg always becomes clear when a new well‐designed bridge structure is needed for the representative Lahn valley. To handle the steadily increasing traffic prestressed concrete structures have gained acceptance for both replacement constructions. Both constructions also convince optically through their simplicity while leaving the creative presence of the cathedral in the valley unchanged.     

回归“生活世界”的上海居住小区新模式分析

本文从上海城市文化特点的角度出发,以“生活世界”哲学为基础,对现阶段居住小区设计模式进行了分析。认为“现实生活世界”是上海当代居住小区设计的起点和归宿。也只有这样,才能使新时代的空间形态与生活形态再次整合,创造出新时代的美好人居。     

基于OBE-CDIO 理念的工程管理专业BIM 实践教学改革

为冲破阻碍当前建筑行业发展的人才匮乏瓶颈，工程管理专业BIM 实践教学亟待改革。对标行业需求，将OBE-CDIO理念引入BIM 实践教学改革以培养与行业需求相匹配的能力。基于OBE 理念确定培养目标，指导BIM 实践教学框架设计，并合理分配所需理论知识点进入各相关理论课程；再以CDIO 理念指导实践教学过程，实现对建模能力、专业分析能力、目标控制能力的培养，满足行业对工程管理专业人才BIM 能力的需求。     

浅谈室内色彩设计的方法

提出了室内设计中色彩设计的原则,从色彩在室内设计中的作用、功能及使用者的心理等方面进行了探讨,以提高人们对色彩的认识,充分发挥色彩设计的作用,更好地满足消费者的需求.     

化辱为荣，补损成益——审视央视新楼并及奥运纪念碑等

针对央视新厦之设计弊端及库氏之流所称邪淫形象,提出改扩建设想及相应建议。从造形立意、结构体系、消防安全等分述改善措施,且将变更业主、转换功能及融资渠道等亦考虑其中。反对以重金建造全球史无前例之奥运纪念碑,申明现有奥运场馆即为最佳纪念实物。主张起诉库氏、矶氏,消除恶劣影响,结合改扩建,进而达致“化辱为荣,补损成益”。     

Beanspruchung der Tunnelabdichtung durch den Herstellvorgang einer Tunnelinnenschale

Loading of the tunnel sealing system due to fresh concrete pressure This report deals with the loading of the geomembrane during the construction phase of the inner shell of a tunnel. In a systematic parameter analysis at the institute for underground construction at FH Münster the geomembrane and the geotextile were tested under different realistic conditions. Laboratory testing showed a dependence on the seal support surface of the shotcrete and on the characteristics of the geotextile. The deformations of the membranes due to fresh concrete pressure are significantly smaller than the permitted values in the technical regulations. The main results of the investigations are described below.