受压构件截面核心简便画法的讨论  

Discussion on Simple Drawing Method of Section Core of Compression Member

作　　者：胡豹 王保田[1,2,3] 李进 周锐 HU Bao;WANG Baotian;LI Jin;ZHOU Rui(Hohai University,Key Laboratory of Geotechnical Mechanics and Dam Engineering,Ministry of Education,Nanjing 210098,China;Hohai University,Engineering Research Center,Ministry of Education,Dredging Technology,Changzhou 213022,China;School of Water Conservancy and Civil Engineering,Tibet Academy of Agriculture and Animal Husbandry,Linzhi 860000,Tibet,China;Nanjing Water Conservancy Planning and Design Institute Co.,Ltd.,Nanjing 210022,China)

机构地区：[1]河海大学岩土力学与堤坝工程教育部重点实验室,江苏南京210098 [2]河海大学疏浚技术教育部工程研究中心,江苏常州213022 [3]西藏农牧学院水利土木工程学院,西藏林芝860000 [4]南京市水利规划设计院股份有限公司,江苏南京210022

出　　处：《佳木斯大学学报（自然科学版）》2022年第4期1-4,共4页Journal of Jiamusi University：Natural Science Edition

基　　金：国家自然科学基金项目(51778211);江苏省自然科学基金项目(BK20171434)。

摘　　要：土木工程建设中,有很多抗压不抗拉的材料,混凝土、砖、石等,为使由这类材料组成的偏心受压构件的截面上不出现拉应力,就需要偏心压力作用在横截面形心附近的某个范围内,这个范围就称之为截面核心。对于规则形状的截面,截面核心计算较简单,而对于不规则的复杂截面,计算量较大,截面核心往往很难画出。文章结合理论计算以及范例总结出截面核心简便、快速、准确的画法。There are many compressive and non-tensile materials in civil engineering construction.,such as concrete,brick and stone.In order to avoid tensile stress on the cross section of eccentric compression members composed of such materials,it is necessary for eccentric pressure to act on a certain range near the centroid of the cross section,which is called the cross section core.For the section with regular shape,the calculation of section core is simple,but for the irregular complex section,the calculation is large,and the section core is often difficult to draw.This paper summarizes the simple,fast and accurate drawing method of section core by theoretical calculation and examples.

关 键 词：截面核心 偏心受压 拉应力 

分 类 号：TB301[一般工业技术—材料科学与工程]