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工程力学
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本书为适应一流特色专业群建设目标的需要,在内容编排上,改变了以力学理论为体系的框架,以实践活动为主线组织编排教材,在每一课中,紧紧围绕工程实际,引出任务,提出设计思路和提供完成任务所需的力学资源,为让学生完成案例,提供必要技术支持和帮助。这样的编排有利于生动活泼的、主动的和富有个性的工程力学学习活动的实现。借助现代信息技术,减少人工计算,减少理论课时,重在对力学概念的理解和程序编制的应用,计算由计算机来完成,解放大脑,解放学习难度。教材充分体现信息技术的工具性,计算机是完成任务和解决问题的工具和手段,也体现少课时,重实践的理念。在学习活动的选择上,贴近学生的学习与生活实际,在教材中反映建筑文明的成果...
本书为适应一流特色专业群建设目标的需要,在内容编排上,改变了以力学理论为体系的框架,以实践活动为主线组织编排教材,在每一课中,紧紧围绕工程实际,引出任务,提出设计思路和提供完成任务所需的力学资源,为让学生完成案例,提供必要技术支持和帮助。这样的编排有利于生动活泼的、主动的和富有个性的工程力学学习活动的实现。借助现代信息技术,减少人工计算,减少理论课时,重在对力学概念的理解和程序编制的应用,计算由计算机来完成,解放大脑,解放学习难度。教材充分体现信息技术的工具性,计算机是完成任务和解决问题的工具和手段,也体现少课时,重实践的理念。在学习活动的选择上,贴近学生的学习与生活实际,在教材中反映建筑文明的成果,选择适合高职学生知识结构和学习能力相应的,体现时代性和实践性的命题作为工程力学综合活动的内容。这些内容涵盖了理论力学、材料力学和结构力学等。它们都是我们身边发生或正在发生的事情或要解决的问题,从而增加了教材的亲和力,能够激发学生的兴趣,有利于学生顺利进入课程的学习。工程力学在专业群课程体系中是“基层共享”的课程,因此在课程内容上注重学生专业基础能力的培养,起到承上启下的作用,找准在专业群课程体系中的定位。
本书是根据*高职高专教育土建类专业力学课程教学基本要求编写而成的。全书分为三大模块共14个学习情境。模块1为力与力的合成,包括静力学基础和平面力系的合成与平衡等内容;模块2为杆件变形及其内力,包括杆件变形的基本形式、轴向拉伸与压缩、剪切与扭转、平面图形的几何性质、弯曲、组合变形及压杆稳定等内容;模块3为杆件体系的位移与内力分析,包括平面杆件体系的几何组成分析、静定结构的内力分析、静定结构位移计算、力法及位移法等内容。每章后都配有思考题和习题。本书力求体现高职高专教育的特点,突出针对性、实用性,叙述简明清晰,理论联系实际,内容简明扼要,语言通俗易懂,图文相得益彰。本书适用于高职高专层次院校和应用型本科层次院校的建筑工程、道路桥梁工程、工程造价、市政工程等相关专业的教材,亦可作为工程技术人员的参考书。
绪论(1)
模块1力与力的合成(5)学习情境1静力学基础(6)任务1静力学的基本概念(7)任务2静力学公理(8)任务3约束与约束反力(11)任务4物体及物体系统的受力分析(15)小结(19)思考题(20)习题(21)学习情境2平面力系的合成与平衡(23)任务1平面汇交力系(24)任务2力矩与平面力偶系(34)任务3平面一般力系和平面平行力系(39)任务4物体系统的平衡(51)小结(54)思考题(55)习题(57)
模块2杆件变形及其内力(65)学习情境3杆件变形的基本概念(66)任务1变形固体及其基本假设(66)任务2杆件变形的基本形式(67)思考题(69)学习情境4轴向拉伸与压缩(70)任务3轴向拉伸和压缩时的内力(71)任务4轴向拉(压)杆横截面上的应力(74)任务5轴向拉(压)杆的变形及胡克定律(76)任务6材料在拉伸和压缩时的力学性能(78)任务7轴向拉(压)杆的强度条件和强度计算(82)任务8应力集中的概念(84)小结(85)思考题(86)学习情境5剪切与扭转(90)任务1剪切与挤压的实用计算(91)任务2切应力互等定理与剪切胡克定律(95)任务3圆轴扭转时的内力(96)任务4圆轴扭转时横截面上的应力(98)任务5圆轴扭转时的强度计算(100)任务6圆轴扭转时的变形及刚度计算(101)小结(103)思考题(104)习题(105)学习情境6平面图形的几何性质(108)任务1静矩(109)任务2惯性矩(111)任务3惯性半径和惯性积(115)任务4形心主惯性轴和形心主惯性矩的概念(116)小结(116)思考题(117)习题(118)学习情境7弯曲(120)任务1弯曲内力(121)任务2梁的内力图(126)任务3弯曲应力(135)任务4弯曲变形(146)任务5提高梁抗弯强度与刚度的措施(154)小结(157)思考题(158)习题(160)学习情境8组合变形(165)任务1组合变形的概念(165)任务2斜弯曲(166)任务3拉伸(压缩)与弯曲的组合变形(170)任务4偏心压缩与拉伸截面核心(173)小结(177)思考题(178)习题(179)学习情境9压杆稳定(181)任务1细长压杆的临界力(182)任务2压杆的临界应力(185)任务3压杆的稳定计算——折减系数法(188)小结(193)思考题(193)习题(195)
模块3杆件体系的位移与内力分析(197)学习情境10几何组成分析(198)任务1几何组成分析的目的(198)任务2平面体系自由度和约束的概念(199)任务3几何不变体系的简单组成规则(201)任务4几何组成分析举例(203)任务5静定结构和超静定结构(206)小结(207)思考题(207)习题(208)学习情境11静定结构的内力分析(212)任务1静定梁(213)任务2静定平面刚架(216)任务3静定平面桁架(221)任务4三铰拱(227)任务5静定组合结构(230)思考题(232)习题(233)学习情境12静定结构的位移计算(237)任务1概述(238)任务2静定结构在荷载作用下的位移计算公式(239)任务3积分法(240)任务4图乘法(242)任务5静定结构在支座移动时的位移计算(247)小结(248)思考题(248)习题(249)学习情境13力法(252)任务1超静定结构概述(253)任务2力法的基本原理(254)任务3力法的典型方程(256)任务4力法计算举例(257)小结(262)思考题(263)习题(263)学习情境14位移法(266)任务1位移法的基本原理(266)任务2位移法的基本未知量(268)任务3单跨超静定梁的杆端内力(270)任务4位移法计算举例(273)小结(278)思考题(278)习题(279)参考文献(280)
本书是以通过高等职业教育培养生产、建设、管理和服务第1线的高等技术应用型人才为目标,依据*高职高专教育土建类专业力学课程教学基本要求编写而成的。本书突出了高等职业教育的特点,以技能培养为指导思想,理论以“必需、够用”为度,简化了公式的推导,着重基本概念和理论的应用,结合工程实际选择典型例题,重视对学生工程意识的培养和解决实际问题的能力。本书在内容组织上进行了较大的改革,按“模块化”结构形式对教材内容进行了科学整合。全书分为三大模块共14个学习情境。模块1为力与力的合成,包括静力学基础和平面力系的合成与平衡等内容;模块2为杆件变形及其内力,包括杆件变形的基本形式、轴向拉伸与压缩、剪切与扭转、平面图形的几何性质、弯曲、组合变形及压杆稳定等内容;模块3为杆件体系的位移与内力分析,包括平面杆件体系的几何组成分析、静定结构的内力分析、静定结构位移计算、力法及位移法等内容。每章后都配有思考题和习题。本书由娄底职业技术学院严朝成担任主编,由九江职业大学徐雪枫、湖南高速铁路职业技术学院肖毅、娄底职业技术学院童腊云、娄底职业技术学院成诗君担任副主编,由甘肃能源化工职业学院秦凌云担任参编,后由严朝成审核并统稿。本书力求体现高职高专教育的特点,突出针对性、实用性,叙述简明清晰,理论联系实际,内容简明扼要,语言通俗易懂,图文相得益彰。本书适用于高职高专层次院校和应用型本科层次院校的建筑工程、道路桥梁工程、工程造价、市政工程等相关专业的教材,亦可作为工程技术人员的参考书。本书在编写过程中,虽参考了大量相关文献资料,但因时间仓促,且编者知识水平有限,错漏之处在所难免,望包涵并批评指正!
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