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首页> 外文期刊>Journal of Performance of Constructed Facilities >Bio-Building Materials for Load-Bearing Applications: Conceptual Development of Reinforced Plastered Straw Bale Composite Sandwich Walls
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Bio-Building Materials for Load-Bearing Applications: Conceptual Development of Reinforced Plastered Straw Bale Composite Sandwich Walls

机译：用于承重应用的生物建筑材料：增强的粉刷草捆复合材料夹心墙的概念开发

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摘要

This paper presents a conceptual development of plastered straw bale composite sandwich wall systems for load-bearing applications. Straw bales are environmentally friendly and may be an alternative to conventional building materials such as masonry blocks for low-rise buildings. An experimental program is conducted to examine the feasibility of the composite system: material testing with three types of plaster materials and structural testing using seven prototype sandwich walls. Test parameters include the effect of reinforcing materials on the behavior of plaster skins and the type of reinforcement such as dense and coarse grid wire-meshes and nonmetallic glass fiber reinforced polymer (GFRP) reinforcing bars. The composite system significantly improves the load-bearing capacity of a straw bale, particularly noticeable when the coarse mesh and GFRP bars are used. The wire-meshes restrain the lateral displacement of the plaster skins and preclude the volumetric expansion of the sandwich walls subjected to axial compression. The test specimens fail by plaster crushing, local buckling, or skin collapse. The specimen with the coarse mesh is recommendable for multistacking applications of straw bale walls, given that such a combination provides low accumulated compliance and high energy absorption capacity when compared with other specimens.
机译：本文介绍了承重应用的抹灰草捆复合夹心墙系统的概念性发展。稻草包是环保的，并且可以替代常规建筑材料，例如低层建筑的砖石砌块。进行了一个实验程序来检查复合系统的可行性：使用三种类型的灰泥材料进行材料测试以及使用七个原型夹心墙进行结构测试。测试参数包括增强材料对石膏表皮性能的影响，以及增强类型，例如密实和粗网格金属丝网和非金属玻璃纤维增​​强聚合物（GFRP）增强棒。复合系统显着提高了草捆的承重能力，在使用粗筛网和GFRP钢筋时尤为明显。金属丝网限制了灰泥蒙皮的横向位移，并防止了承受轴向压缩的夹心壁的体积膨胀。测试样本会因石膏压碎，局部屈曲或皮肤塌陷而失效。具有粗目的标本推荐用于草捆墙的多层应用，因为与其他标本相比，这种组合具有较低的累积顺应性和较高的能量吸收能力。

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