山东建筑大学学报2025，Vol.40Issue(3)：10-16,7.DOI:10.12077/sdjz.2025.03.002
压型钢板轻钢骨架泡沫混凝土组合楼板抗弯性能试验研究
Experimental study on flexural performance of foamed concrete composite floor slabs with pressed steel sheet and light steel skeleton
摘要
Abstract
A new type of integrated prefabricated floor slab,composed of foamed concrete,pressed steel sheets,and a light steel skeleton(hereinafter referred to as the"composite floor slab"),offers combined load-bearing,thermal insulation,and soundproofing properties.This system effectively addresses issues associated with traditional composite floor slabs,such as bidirectional force transmission,water leakage,and cracking of bottom concrete surfaces.To investigate its flexural performance,five full-scale specimens were subjected to vertical static loading tests.Displacement and strain curves were obtained,and the failure mechanism and factors influencing flexural behavior were analyzed.The results show that the composite floor slab primarily fails due to bending,with flexural stiffness mainly contributed by the light steel skeleton and the pressed steel sheet.While increasing the strength of foamed concrete enhances the stability of the light steel skeleton,it has limited influence on the ultimate load-bearing capacity.In contrast,increasing the section thickness of the steel components significantly improves the slab's flexural strength,provided that the overall slab thickness remains constant.Based on the experimental results,a formula for calculating the flexural bearing capacity of the composite floor slab was derived,showing good agreement with test data.关键词
压型钢板/轻钢骨架/组合楼板/抗弯承载力Key words
profiled steel sheeting/light steel skeleton/composite floor slabs/bending-bearing capacity分类
土木建筑引用本文复制引用
周学军,蔡雨桐,刘学烔,孙继祥,田素恩,张振电..压型钢板轻钢骨架泡沫混凝土组合楼板抗弯性能试验研究[J].山东建筑大学学报,2025,40(3):10-16,7.基金项目
山东省重点研发计划(重大科技创新工程)项目(2024CXGC10321) （重大科技创新工程）
国家重点研发计划项目(SQ2020YFF0426523) （SQ2020YFF0426523）
山东省重点扶持区域引进急需紧缺人才项目(鲁发改动能办(2023)867号) （鲁发改动能办(2023）
国家自然科学基金项目(52278507) （52278507）
