复合多层中空型塑料模板的性能与应用研究

发布时间：2018-09-16 21:04

【摘要】：在建设工程中,模板技术对其工程建设的质量、工程造价和工程效益都具有较大的影响,同时随着环境问题的日益突出,绿色、低碳以及可持续等理念也在工程建设中得以推广。传统建筑模板,由于要使用大量的木材,这些木材来自于森林砍伐,必然会给环境造成巨大的影响。因此开发设计新型建筑模板势在必行,以代替木模板、竹模板,减少木材等材料的使用,保护环境。复合多层中空型塑料建筑模板是以聚丙烯树脂为基材,添加增强、耐候、防老化、阻燃等助剂后熔炼挤出形成的一种新型塑料建材产品。该模板具有刚性塑性相结合、强度高、重量轻、抗冲击强度大,可锯可刨可钉钉,耐寒耐高温等诸多优点,因此是非常理想的建筑工程模板。本文首先对复合多层中空型塑料建筑模板进行了密度、含水率、拉伸、弯曲、冲击性能等一系列试验,并对试验结果进行了分析。其次对复合多层中空型塑料建筑模板的材质进行了简述。简要介绍了复合多层中空型塑料建筑模板设计的基本原则,重点阐述了复合多层中空型塑料建筑模板的载荷计算及组合、结构设计和模板强度。然后对复合多层中空型塑料建筑模板的施工工艺进行研究和总结。简要分析了工艺原理、施工工艺流程、操作要点,包括模板的使用要求、墙模板的安装、柱模板的安装、梁模板的安装、楼板模板的安装以及模板的拆除。此外,还对模板施工的材料和设备、模板安装和拆除过程中的质量控制、模板施工的安全措施、环保措施等进行了探讨。最后结合锦溪·御天湖小区工程实例,对复合多层中空型塑料建筑模板进行工程验证。应用结果表明,复合多层中空型塑料建筑模板不仅节省了木材、钢材等不可再生材料、提高了混凝土浇筑的质量,而且减低劳动强度、节约材料、大大减少了工程成本,缩短了工期,为工程的进度控制和管理做出了贡献。此外,无毒、无害、无污染,施工使用报废后,厂家可以100%全部回收,换取50%的新板,是一种绿色施工的环保模板。
[Abstract]:In the construction project, the formwork technology has a great influence on the quality, cost and benefit of the project construction. At the same time, with the increasingly prominent environmental problems, green, The concept of low-carbon and sustainability has also been promoted in engineering construction. Traditional building templates, because of the use of a large amount of wood, wood from deforestation, will inevitably have a huge impact on the environment. Therefore, it is imperative to develop and design new building templates to replace wood templates, bamboo templates, reduce the use of wood and other materials, and protect the environment. The composite multi-layer hollow plastic building template is a new type of plastic building material formed by melting and extruding with polypropylene resin as base material, adding additives such as reinforcement, weathering resistance, anti-aging, flame retardant and so on. The formwork has many advantages, such as rigid plastic combination, high strength, light weight, high impact strength, sawing and nail resistance, cold and high temperature resistance and so on, so it is a very ideal construction engineering template. In this paper, the density, moisture content, tensile, bending and impact properties of the composite multi-layer hollow plastic building formwork are tested, and the test results are analyzed. Secondly, the material of composite multi-layer hollow plastic building formwork is briefly described. This paper briefly introduces the basic principles of the design of composite multi-layer hollow plastic building formwork, and emphatically expounds the load calculation and combination, structural design and formwork strength of the composite multi-layer hollow plastic building formwork. Then the construction technology of composite multi-layer hollow plastic building formwork is studied and summarized. This paper briefly analyzes the process principle, construction process, operation essentials, including the use requirements of the formwork, the installation of the wall formwork, the installation of the column formwork, the installation of the beam formwork, the installation of the floor formwork and the removal of the formwork. In addition, the material and equipment of formwork construction, the quality control of formwork installation and removal, the safety measures of formwork construction and environmental protection measures are also discussed. Finally, combined with the engineering example of Jinxi Yutianhu district, the composite multi-layer hollow plastic building formwork was verified. The application results show that the composite multi-layer hollow plastic building formwork not only saves wood, steel and other non-renewable materials, but also improves the quality of concrete pouring, reduces the labor intensity, saves the material and greatly reduces the engineering cost. It shortens the time limit and contributes to the progress control and management of the project. In addition, non-toxic, harmless, pollution-free, construction after the use of scrap, manufacturers can 100% of the recycling, in exchange for 50% of the new plate, is a green construction of environmental protection template.
【学位授予单位】：南昌大学
【学位级别】：硕士
【学位授予年份】：2015
【分类号】：TU755.2

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