装配式夹芯保温生态复合墙结构受力性能及整合设计研究

发布时间：2018-06-19 21:27

本文选题：夹芯保温生态复合墙体 + 整合设计　；参考：《西安建筑科技大学》2014年硕士论文

【摘要】：生态复合墙结构采用传统整体外保温节能措施，现场高空作业量大、施工难度高、施工质量难以保证。基于上述研究现状及前期研究成果，课题组将整合设计思想引入生态复合墙结构，提出装配式夹芯保温生态复合墙结构，实现建筑保温、结构承力一体化。本文通过试验研究分析装配式夹芯保温生态复合墙体的受力机理，建立夹芯保温生态复合墙体弹性抗侧刚度公式，提出生态复合墙结构基于建筑、结构、设备系统的整合设计理念，并对比分析考虑夹芯保温层的生态复合墙结构动力特性及响应。本文主要研究内容与成果包括： 1.对2榀（夹芯保温生态复合墙体、标准生态复合墙体）1/2比例模型进行水平低周反复试验研究，对比不同类型生态复合墙体的抗震性能。结果表明：两种类型的生态复合墙体均为整体剪切型破坏，具有一定的延性特征；夹芯保温生态复合墙体的开裂荷载、屈服强度及极限承载力均略高于传统生态复合墙体，其中开裂荷载增幅达29.1％，极限荷载增幅为5.9％，破坏荷载增幅为15.8％，对于推迟墙体开裂和提升墙体抗倒塌能力有显著作用；通过数值拓展分析，研究轴压比、高宽比、框格划分等关键因素对墙体弹性刚度的影响规律。 2．基于课题组前期研究成果，将内叶墙板匀质化，提出夹芯保温生态复合墙弹性简化计算模型—三明治夹芯板模型；结合墙体独特构造和复合材料力学理论，，选取合适的体积单元，推导出墙体弹性常数计算公式；推导夹芯保温生态复合墙体的抗侧刚度公式，同时考虑各种影响因素，对抗侧刚度公式的抗侧刚度进行修正。分析结果表明：三明治夹芯板模型适用于复合墙体抗侧刚度的计算，抗侧刚度公式可以满足实际工程计算需要。 3．基于绿色工业化建筑整合设计思想，提出生态复合墙结构基于建筑、结构、设备系统的整合设计策略：装饰、保温与结构一体化、预制飘窗装配施工技术、预制墙板水、电、暖管路模块化嵌入技术、整体厨卫技术等，实现生态复合墙结构的建筑与结构、建筑与设备、结构与设备的一体化设计。建立考虑夹芯保温层的生态复合墙结构数值分析模型，并对比分析生态复合墙结构在地震作用下的动力特性及响应，为夹芯保温生态复合墙结构的抗震设计提供依据。
[Abstract]:The ecological composite wall structure adopts the traditional whole external thermal insulation and energy - saving measures , and the construction quality is difficult to ensure . Based on the research situation and the previous research results , the research group integrates the design idea into the ecological composite wall structure , and puts forward the integrated design concept of the assembled sandwich thermal insulation ecological composite wall , and puts forward the ecological composite wall structure based on the integrated design concept of the building , structure and equipment system , and analyzes the dynamic characteristics and responses of the ecological composite wall of the sandwich thermal insulation layer .

1 . Conduct low - and low - cycle test research on 2 ( sandwich thermal insulation composite wall and standard ecological composite wall ) 1 / 2 ratio model , and compare the seismic performance of different types of ecological composite walls . The results show that both types of ecological composite walls are integral shear - type damage , and have certain ductility characteristics ;
The cracking load , yield strength and ultimate bearing capacity of sandwich thermal insulation composite wall were slightly higher than those of traditional ecological composite wall .
The influence of key factors , such as axial compression ratio , aspect ratio and frame division , on the elastic stiffness of wall is studied through numerical expansion analysis .

2 . Based on the previous research results of the research group , the inner leaf wallboard is homogenized , and the sandwich sandwich panel model is proposed based on the elastic simplified calculation model of sandwich thermal insulation composite wall .
Based on the unique structure of wall and mechanics theory of composite material , a suitable volume unit is selected , and the calculation formula of elastic constants of wall is deduced .
The anti - lateral stiffness formula of sandwich thermal insulation composite wall is deduced , and the anti - lateral stiffness of the side stiffness formula is corrected considering various influencing factors . The results show that the sandwich panel model is suitable for the calculation of the anti - lateral stiffness of composite wall , and the anti - lateral stiffness formula can meet the actual engineering calculation needs .

3 . Based on the idea of integrated design of green industrialization architecture , the paper puts forward the integrated design strategy of ecological composite wall structure based on architecture , structure and equipment system : decoration , heat preservation and structural integration , prefabricated floating window assembly construction technology , prefabricated wall board water , electricity , heating pipeline modular embedding technology , integral kitchen and defense technology , etc . , and realizes the integrated design of the structure and equipment , structure and equipment of ecological composite wall structure .
【学位授予单位】：西安建筑科技大学
【学位级别】：硕士
【学位授予年份】：2014
【分类号】：TU398

【相似文献】