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(中國(guó)建筑第八工程局有限公司工程研究院， 上海 200122)

［摘要］對(duì)3D打印建筑材料層間粘結(jié)性能進(jìn)行了測(cè)試，包括3個(gè)3D打印試件的粘結(jié)抗拉強(qiáng)度試驗(yàn)和3個(gè)3D打印試件的粘結(jié)剪切強(qiáng)度試驗(yàn)。著重分析了3D打印建筑材料層間粘結(jié)的破壞模式、破壞過程與破壞形態(tài)。分析結(jié)果表明，3D打印建筑材料存在層間粘結(jié)薄弱層，破壞時(shí)均發(fā)生在粘結(jié)層部位，其軸心抗拉強(qiáng)度為0-74N/mm2；剪切強(qiáng)度測(cè)試時(shí)未發(fā)生剪切破壞，得到試件破壞時(shí)的彎曲抗拉強(qiáng)度平均值為0-88N/mm2。

［關(guān)鍵詞］3D打印建筑材料； 層間粘結(jié)性能； 抗拉強(qiáng)度； 彎曲強(qiáng)度； 剪切強(qiáng)度

中圖分類號(hào)：TU399文獻(xiàn)標(biāo)識(shí)碼：A文章編號(hào)：1002-848X(2017)04-0049-04

Experimental study on interlayer bonding property of 3D print building material

Ge Jie, Ma Rongquan, Miao Dongmei, Bai Jie

(Engineering Research Institute of China Construction Eighth Engineering Division  Co.,  Ltd.,  Shanghai 200122, China)

Abstract:Interlayer bonding property of 3D print building material was tested, including 3 bonding tensile strength tests on 3D print specimens and 3 bonding shear strength tests on 3D print specimens. The failure modes, processes and forms of interlayer bonding property of 3D print building materials were emphatically analyzed. Analysis results indicate that there are interlayer bonding weak layers in the 3D print building materials, and specimen failure occurs in the bonding layer part with average axial tensile strength of 0-74N/mm2. The shear failure does not occur in shear strength test and average bending tensile strength of 3D print building materials is 0-88N/mm2 when specimen is failed.

Keywords:3D print building material; interlayer bonding property; tensile strength; bending strength; shear strength

*中國(guó)工程院咨詢研究項(xiàng)目（2015-XY-17）。

作者簡(jiǎn)介：葛杰，博士，高級(jí)工程師，一級(jí)注冊(cè)結(jié)構(gòu)工程師，Email: gj3258899@126.com。