地下室顶板大跨度混凝土梁修复技术

来源 :第五届全国建筑结构技术交流会暨首届全国青年结构工程师论坛 | 被引量 : 0次 | 上传用户:zhengrs_2009
下载到本地 , 更方便阅读
声明 : 本文档内容版权归属内容提供方 , 如果您对本文有版权争议 , 可与客服联系进行内容授权或下架
论文部分内容阅读
以杭州某一商业综合体项目大跨度混凝土梁受损为例,阐述其修复加固的施工工艺,通过前期裂缝检测判定其受损类别,提出修复加固方案,修复后的混凝土梁的强度能很好地满足设计要求.
其他文献
Polymer therapeutics (e.g., polymer-drug conjugates, micellar structures, polymer-nucleic acid complexes, etc.) are macromolecular constructs containing bioactive agents that have shown enhanced deliv
The scanning tunneling microscope (STM) has permitted to reveal the Kondo structure of many molecules adsorbed on metallic surfaces.The Kondo effect is a complex many-body process in which the magneti
AFM is the main characterization tool in nanotechnology.However, there are three areas in which conventional AFM has limitations: (i) a low imaging rate,(ii) the probe-sample force interaction, and (i
The typical photoanode in dye-and quantum dot-sensitized solar cells is composed of a wide band gap semiconductor, which acts as electron transporter for the photoelectrochemical system.Anatase TiO2 n
Grain boundary can significantly affect the various properties of materials.Due to the symmetry broken, the determination of the atomic structure of grain boundary has been a long-standing problem and
Plasmon energies can be tuned across the spectrum by simply changing the geometrical shape of a nanostructure [1].Plasmons can efficiently capture incident light and focus it to nanometer sized hotspo
Surface plasmons propagate on the surface of metals (silver, gold, palladium, etc.) whose optical properties are determined by their surface geometry at nanoscale.Recent advancement in controlling the
Gels and aerogcls manufactured from a variety of nanoparticles available in colloidal solutions have recently proven to provide an opportunity to marry the nanoscale world with that of materials of ma
Porous semiconductors is an attractive material in many areas, including optoelectronics, sensors, and thermoelectric devices.Many bottom-up syntheses based on self-assembly processes have been report
国内某氧化铝厂铝土矿堆场的胶带机通廊为开敞式布置,在冬季生产过程中发现铝土矿中含水量较大,铝土矿冻结易粘连在输送皮带上,导致输送效率降低,而且皮带易硬化脆断,降低其使用寿命,为此需将皮带廊进行封闭保温.由于外部荷载的加大,需要重新复核原钢桁架.先用PKPM 2010系列软件将原皮带廊简化成4个平面分别计算,最后采用将杆件的应力比进行叠加的方法验算皮带廊的强度及稳定性,再用MIDAS/Gen 201