Secondly , through the examination and observation of the structural model of the cast - in - place pre - stressed compound floor slab system , under the normal usage load , the normal usage limit - state and the failing load , we have validated the space working - feature of the structural model under variable loads , including the rigidity , the crack , failing - state , failing load and the stress variation of the pre - stressed bar , and so on 其次，通过对该体系的结构模型在正常使用荷载、正常使用极限状态和破坏状态下的试验研究，验证了现浇预应力复合楼盖体系模型结构在各种荷载作用下的空间工作性能，包括刚度、裂缝、破坏形态、极限承载力及预应力筋的应力变化状态等。
Also the modeling of the super - length tall buildings is provided . the whole structure of super - length tall buildings is chosen as an object of study , and a worldwide used large - scale structural analyzing program named super sap93 is also chosen to decentralize the structure into elements . the beams and columns of the structure are modeled as dimensional beam components , and the floor slabs and sheer walls are modeled as dimensional slab components 本文以超长高层建筑整体结构为研究对象，采用国际通用的大型结构分析程序supersap93对超长高层建筑结构进行有限元离散，结构的梁和柱采用空间梁单元模型，楼板和剪力墙以及筒体结构采用空间板单元模型，建立实用的超长高层建筑结构整体结构分析模型。
Supervision and consultation projects completed : ( 1 ) jiangsu xindadou square ( 50 , 000m2 , two 30 - story buildings ) , worked as chief supervision engineer ( consultation ) ; ( 2 ) " yanqiao overpass service center of xicheng highway ( the first overpass type service center on highway in china ) , worked as chief supervision engineer ( consultation ) ; ( 3 ) the ninth 5 - year - plan updating technology project of huaiyin tobacco plant , 50 , 000m2 , worked as chief ( supervision and consultation ) ; ( 4 ) the softy testing , analysis and consultations of nanjing international conference and exhibition center , site - erected structure , 75m span steel roof truss ( the largest one in china ) , worked as chief of test and consultation ; ( 5 ) " the consultation service of the testing , analysis and update technology of the reliability of the joints of intermediate floor slabs , beams and columns of base beam of sanshanjie station of nanjing metro " etc 完成"江苏新大都广场（ 5万多平方米，二幢30层） "建设监理咨询（总监） ； "锡澄高速堰桥跨线服务区（国内首座） "建设监理咨询（总负责） ； "淮阴卷烟厂9 . 5技改项目（ 5万多平方米） "建筑监理咨询（总负责） ；主持了"南京国际会展中心75m跨钢屋架（国内最大距）现场施工安装结构安全性测试分析咨询" ； "南京地铁三山街站中楼板及底板梁柱节点构造技术安全可靠性的测试分析与技术改进咨询服务"等项目。
Abstract : precast floorslabs are widely used in residential buildi ngs in order to quicken the progress of construction . yet some quality problems accoringly arise , one of which is the fissure along the splice of the precast floor slab . this essay analyses the causes of the fissure and puts forward some effecti ve measures for the prevention and cure 文摘:在住宅的设计与建设中大量采用预制楼板结构，虽然加快了施工进度，但也出现了一些问题，预制楼板板缝方向产生裂缝就是其中之一，本文对其原因进行了分析，并提出了有效的防治措施
On the basis , three elastic calculation coefficients of the two - way composite slab on three common boundary conditions are deduced and calculated by applying the classic elastic plane theory . in the thesis , the elastic design methods of pk prestressed composite two - way slab is explored and studied by the example . furthermore , it is also studied how to apply the yield - line design method to design the prestressed two - way composite floor slabs 本文以此为依据,应用经典弯曲薄板理论,采用李维法推导和计算了这种双向楼板三种常见边界下的挠度和内弯矩弹性计算系数,并在此基础上通过算例探讨了pk预应力双向叠合楼板的弹性设计方法,同时还对其塑性铰线设计方法进行了研究。
The main components of the latter are multi - rib sandwich panels , including floor slabs and wall slabs . reinforced concrete conformation columns are set where the longitudinal walls and latitudinal walls intersect and copulative beams are set where floor slabs and wall slabs intersect . they play a role of linking and transferring loads , bearing a small part of loads at the same time 无骨架体系的主要承重构件是密肋夹芯板(包括楼板和墙板) ，纵、横墙相交处设钢筋混凝土构造(连接)柱，墙板和楼板相交处设连系(圈)梁，连系梁和柱主要起连接和传递荷载作用，也承担少部分荷载。
An innovative strengthening scheme for reinforced concrete space beam - column joints using high strength steel wire mesh and polymer mortar jacket was proposed , and the quasi - static tests of three reinforced concrete beam - column joints with floor slab and transverse beams were performed to verify the efficiency of the strengthening scheme 摘要提出了采用新技术高强钢绞线网片聚合物砂浆加固技术提高钢筋混凝土空间框架节点抗震性能的方法，并通过3个带有直交梁和楼板的空间框架节点试件的低周反复加载试验对该加固方法进行了检验。
The experimental result indicate that the working characters of the test floor slab is typically two - way obviously , the floor slab that is reinforced two - way by setting transverse steels through the rectangular cores in the ribs of the precast slabs , has excellent bulking property , high bearing capacity , cracking resistance and so on 试验研究表明,试验楼盖在加载过程中呈现了明显的双向受力特征; pk预应力叠合楼盖通过在预制构件板肋预留长方形孔穿置横向钢筋实现双向配筋具有良好的整体性能,还具备承载力高和抗裂性能良好等特点。
According to the new concrete code , the calculation formula are put forward concerning the load - carrying capacity during construction , the load - carrying capacity of cross - section bending , longitudinal shearing , the inclined - section shearing and part shearing during the application of the continuous composite floor slab , which provide the design proofs for the continuous composite floor slab 摘要根据新混凝土规范，给出了连续跨压型钢板与混凝土组合板施工阶段的承载力计算公式及使用阶段的正截面抗弯承载力、纵向水平抗剪承载力、斜截面抗剪承载力和局部抗冲切承载力计算公式，为连续组合楼板的设计提供了依据。
For example , frp reinforced concrete is used to support or surround magnetic resonance imaging ( mri ) medical equipment , and frp is also used for the constructions of some seawalls , industrial roof decks , base pads for electrical and reactor equipment , anchor in rock and ground engineering and concrete floor slabs in aggressive chemical environments in order to promote the wide usage of frp and frp reinforced concrete structures , financed cooperatively by nationa l natural science foundation ( item : the research on mechanical performance of frp reinforced concrete beam reinforced ; number : 59978046 ) and henan illustrious youth science foundation , connected with the analysis methods of modern steel reinforced concrete structure , the thesis further studies the flexural performance of frp reinforced concrete beam through the systematic study on experimental data got from this kind of beams , systematically establishes the theoretical calculating system of the flexural performance of frp reinforced concrete beam in cooperation with the up - to - date analytical methods for reinforced concrete , which suits the properties of frp 例如，纤维增强塑料筋应用于支撑和围绕磁共振成像医疗设备的混凝土中及海堤、工业顶棚、电设备、反应设备的基座、岩土工程中的锚杆、侵蚀性环境的混凝土结构等海洋工程、桥梁工程、路面工程、岩土工程、医疗及化工工程的建设。为了推动纤维增强塑料筋及其混凝土结构在工程中的广泛应用，本文在国家自然科学基金(项目名称：纤维增强塑料筋混凝土梁力学性能的研究；编号： 59978046 )和河南省杰出青年基金的资助下，通过对纤维增强塑料筋混凝土梁正截面受弯性能试验数据的系统分析，结合现代钢筋混凝土结构学的分析方法，对纤维增强塑料筋混凝土梁正截面受弯性能进行了深入的研究，较系统的建立了适合于纤维增强塑料筋特点的纤维增强塑料筋混凝土梁正截面受弯性能的理论计算体系。
