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(1 濰坊學(xué)院建筑工程學(xué)院， 濰坊 261061；2 山東酷屋網(wǎng)絡(luò)科技有限公司， 濰坊 261061)

［摘要］為了考察鋁合金復(fù)合板作為樓板體系時(shí)裝配式構(gòu)造連接的承載性能，對(duì)一足尺鋁合金復(fù)合樓板試件進(jìn)行了極限受彎承載力試驗(yàn)。鋁合金復(fù)合樓板水平放置在位于四個(gè)角部的鉸支座上，以平鋪粘土磚模擬面荷載，對(duì)鋁合金復(fù)合樓板進(jìn)行加載和卸載試驗(yàn)，通過(guò)分析測(cè)點(diǎn)撓度和應(yīng)變，分析該樓板構(gòu)造連接的承載性能；為了考察集中荷載與面荷載作用的差異，以8名志愿者的體重模擬集中荷載作用，對(duì)比研究鋁合金復(fù)合樓板在承載集中荷載時(shí)與承載面荷載時(shí)的受力性能。加載試驗(yàn)結(jié)果表明，鋁合金復(fù)合樓板的裝配式構(gòu)造連接具有較大的承載能力，面荷載可達(dá)8.94kN/m2；卸載試驗(yàn)結(jié)果表明，鋁合金復(fù)合樓板的可恢復(fù)變形占其總變形的40%~60%。復(fù)合樓板處于彈性受力階段時(shí)，集中加載與面荷載加載時(shí)的撓度曲線差異較小，可忽略荷載類型不同帶來(lái)的影響。鋁合金復(fù)合樓板的整體抗彎剛度建議按140kN·m2取值。 

［關(guān)鍵詞］裝配式鋁合金結(jié)構(gòu)；復(fù)合樓板；極限受彎承載力；裝配式連接；可恢復(fù)變形；抗彎剛度 

中圖分類號(hào)：TU395，TU359 文獻(xiàn)標(biāo)識(shí)碼：A文章編號(hào)：1002-848X(2021)18-0040-07

Experimental study on bearing capacity of prefabricated aluminum alloy composite floor slab 

BAI  Zhiqiang1,  ZHOU  Bin1,  PAN  Yueyue1,  LIU  Xiaodong1,  GAO  Jiting2,  SUN  Zichao2 

(1 Department of Architectural Engineering, Weifang University, Weifang 261061， China；2 KUWOO Shandong Network Technology Co., Ltd., Weifang 261061， China) 

Abstract: In order to investigate the bearing capacity of the prefabricated structural connection when the aluminum alloy composite slab is used as a floor system, a full-scale aluminum alloy composite slab test piece was tested for the ultimate bending capacity. The aluminum alloy composite floor slab was placed horizontally on the hinged supports at the four corners, and the uniform load was simulated with tiled clay bricks to conduct on the aluminum alloy composite slab in loading and unloading processes. By analyzing the deflection and strain of the measured points, the bearing capacity of the floor structural connection was analyzed. In order to investigate the difference between concentrated load and uniform load, the weight of 8 volunteers was used to simulate concentrated load, and the stress state of aluminum alloy composite floor slab under concentrated load and uniform load was studied. The loading test results show that the prefabricated structural connection of aluminum alloy composite slab has a large bearing capacity, and the uniform load can reach 8.94kN/m2. The unloading test results show that the recoverable deformation of aluminum alloy composite slab accounts for 40%~60% of its total deformation. When the composite floor is in elastic stage, the difference of deflection curves between concentrated load and uniform load is not obvious, and the influence of different loading manner can be ignored. The overall bending stiffness of aluminum alloy composite plate is recommended to be 140kN·m2. 

Keywords:prefabricated aluminum alloy structure； composite slab； ultimate bearing capacity； prefabricated connection； recoverable deformation； bending stiffness

*國(guó)家自然科學(xué)基金青年項(xiàng)目（51908430），濰坊高新區(qū)科技惠民項(xiàng)目（2019KJHM15），濰坊學(xué)院博士基金項(xiàng)目（2019BS14）。

 作者簡(jiǎn)介：白志強(qiáng)，博士，副教授，Email:bzq2001@163.com； 通信作者：周彬，博士，講師，Email: zhoubin@wfu.edu.cn。