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1、钢筋混凝土结构课程设计目 录1、设计任务书-（1）2、设计计算书-（2）3、平面结构布置-（2）4、板的设计-（3）5、次梁的设计-（6）6、主梁的设计-（10）7、关于计算书及图纸的几点说明-（16）附图1、平面结构布置图-（18）附图2、板的配筋图-（19）附图3、次梁的配筋图-（20）附图4、主梁配筋图-（21）参考资料：1、建筑荷载规范2、混凝土结构设计规范钢筋混凝土单向板肋梁楼盖课程设计任务书一、 设计题目单向板肋梁楼盖设计二、 设计内容1、结构平面布置图：柱网、主梁、次梁及板的布置2、板的强度计算（按塑性内力重分布计算）3、次梁强度计算（按塑性内力重分布计算）4、主梁强度计算（按弹
2、性理论计算）5、绘制结构施工图（1）、结构平面布置图（1：200）（2）、板的配筋图（1：50）（3）、次梁的配筋图（1：50；1：25）（4）、主梁的配筋图（1：40；1：20）及弯矩M、剪力V的包络图（5）、钢筋明细表及图纸说明三、 设计资料1、楼面的活荷载标准值为9.0kN/m22、楼面面层水磨石自重为0.65kN/m2,梁板天花板混合砂浆抹灰15mm.3、材料选用：（1）、混凝土： C25（2）、钢筋：主梁及次梁受力筋用级钢筋，板内及梁内的其它钢筋可以采用级。现浇钢筋混凝土单向板肋梁楼盖设计计算书一、 平面结构布置：、确定主梁的跨度为,次梁的跨度为,主梁每跨内布置两根次梁,板的跨度为。
3、楼盖结构布置图如下：、按高跨比条件，当时，满足刚度要求，可不验算挠度。对于工业建筑的楼盖板，要求，取板厚3、次梁的截面高度应满足 ，取 则，取。4、主梁的截面高度应该满足，则，取。二、 板的设计（按塑性内力重分布计算）：1、荷载计算：板的恒荷载标准值： 取1m宽板带计算： 水磨石面层 80mm钢筋混凝土板 15mm板底混合砂浆 恒载： 活载： 恒荷载分项系数取1.2；因为工业建筑楼盖且楼面活荷载标准值大于，所以活荷载分项系数取1.3。于是板的设计值总值： = 2、板的计算简图：次梁截面为，现浇板在墙上的支承长度不小于100mm，取板在墙上的支承长度为120mm。按塑性内力重分布设计，板的计算边
4、跨： ，取 ()中跨： 板为多跨连续板，对于跨数超过五跨的等截面连续板，其各跨受荷相同，且跨差不超过10%时，均可按五跨等跨度连续板计算。计算简图如下图：3、内力计算及配筋：用塑性内力重分布理论计算，则有系数如下： 表1.0支承情况截 面 位 置端支座边跨支座离端第二支座离端第二跨中中间支座中间跨中A1B2C3梁板搁支在墙上01/11两跨连续：-1/10三跨以上连续：-1/111/16-1/141/16板与梁整浇连接-1/161/14梁-1/24梁与柱整浇连接-1/161/14则由可计算出、，计算结果如下表：截面位置1B2C1/11-1/111/16-1/14由题知：则，根据各跨跨中及支座弯矩
5、可列表计算如下：截面1B2CM（）5.633-5.6333.873.10-4.433.54（）42.840.1310.1310.0900.0730.1030.083()0.1410.1410.0940.0760.1090.0870.9300.9300.9530.9620.9460.957（mm2）480.7480.7322.3255.8317.7293.6选钢筋轴线轴线8/101308/1013081308130轴线8/101308/101306/81306/8130实际配筋轴线轴线495mm2495mm2387mm2387mm2轴线495mm2495mm2302mm2302mm2位于次梁内跨
6、上的板带，其内区格四周与梁整体连接，故其中间跨的跨中截面（、）和中间支座（）计算弯矩可以减少20%，其他截面则不予以减少。4、确定各种构造钢筋：分布筋选用6300。嵌入墙内的板面附加钢筋选用8200。垂直于主梁的板面附加钢筋选用8200。板角构造钢筋:选用8200,双向配置板四角的上部。5、绘制板的配筋示意图：采用弯起式筋,详见板的配筋图.三、次梁设计（按塑性内力重分布计算）：1、次梁的支承情况： 2、荷载计算： 由板传来： 次梁肋自重： 次梁粉刷重 恒载： 活载： 设计值总值： = 3、确定计算跨度及计算简图。塑性内力重分布计算时，其计算跨度： 中跨： 边跨： ,取 ()因跨度相差小于10%
7、，可按等跨连续梁计算，计算简图如下：3、内力计算：由可计算出、，计算结果如下表：截面位置1B2C1/11-1/111/16-1/14由可计算出、，计算结果如下表：截面位置0.450.600.550.554、截面承载力计算：、次梁跨中按T形截面计算，T形截面的翼缘宽度，按，故取。梁高： 翼缘厚： 判定T形截面类型：故各跨中截面属于第一类T形截面。、支座截面按矩形截面计算，离端第二支座B按布置两排纵向钢筋考虑，取，其他中间支座按布置一排纵向钢筋考虑，取、次梁正截面承载力计算见下表：截 面1B2C弯矩M76.61-76.6150.10-57.26或0.0300.2780.0190.183 0.030
8、0.3340.0190.2080.9850.8330.9110.896720.2901.7468.1591.7选用钢筋318（弯1）318+116（弯起）316（弯1）316（弯1）实际钢筋截面面积（mm2）763964.1603603、次梁斜截面承载力计算见下表：截 面ACV76.03101.3792.8292.82截面满足截面满足截面满足截面满足需配箍筋需配箍筋需配箍筋需配箍筋箍筋肢数、直径2626262656.656.656.656.6445.0123.3156.1185.7实配箍筋间距150150不足用补充150150满足不满足满足满足9.55mm2选配弯起钢筋由于纵向钢筋充足，可弯起
9、118118由于纵向钢筋充足，可弯起116由于纵向钢筋充足，可弯起116实配钢筋面积254.5 mm2254.5 mm2201.1 mm2201.1 mm25、构造配筋要求：沿全长配置封闭式箍筋，第一根箍筋距支座边50mm处开始布置，在简支端的支座范围内各布置一根箍筋。四、主梁设计（按弹性理论计算）：1、支承情况： 柱截面400400，由于钢筋混凝土主梁抗弯刚度较钢筋混凝土柱大的多，故可将主梁视作铰支于钢筋混凝土柱的连续梁进行计算。主梁端部支承于砖壁柱上，其支承长度a=370。2、荷载计算：为简化计算，主梁自重亦按集中荷载考虑。 次梁传来的荷载： 主梁自重： 主梁粉刷重： 恒载：恒载设计值：活
10、载设计值：3、确定计算跨度及计算简图主梁计算跨度：边跨： ，近似取中跨： 因跨度相差不超过10%，可按等跨梁计算，计算简图如下： 3、内力计算： 1)、弯矩设计值：其中，可由书中表查取，L为计算跨度，对于B支座，计算跨度可取相邻两跨的平均值。2）、剪力设计值：，其中，可由书中表查可知。主梁弯矩计算项次荷载简图组合项次+组合值56.01-368.5887.09179.44组合项次+组合值341.44195.76由此可作出下列几种情况下的内力图：+； +； +将以上各图绘于同一坐标系上，取其外包线，则为弯矩包络图。主梁剪力计算项 次荷载简图组合项次 ()+154.35+-242.89+215.8同
11、样可绘出剪力包络：4、主梁正截面和斜截面承载力计算：、主梁跨中按T形截面计算，T形截面的翼缘宽度，按，故取。梁高： （边跨），（中间跨）翼缘厚： 判定T形截面类型：故各跨中截面属于第一类T形截面。、支座截面按矩形截面计算，离端第二支座B按布置两排纵向钢筋考虑，取。正截面配筋计算。截 面1B2弯矩M341.44-368.56195.76-88.16-331.11或0.0450.3920.0260094 0.0460.5350.0260.0990.9770.7330.9870.9512157.32841.01224.3551.8选用钢筋622（弯4）622+220（弯起422）422（弯2）220
12、实际钢筋截面面积（mm2）223329091520628斜截面配筋计算：截 面AV154.35242.89215.8,截面尺寸按下面式验算截面满足截面满足截面满足剪跨比：需配箍筋需配箍筋需配箍筋箍筋肢数、直径282828100.6100.6100.6143.866.1578.75实配箍筋间距取150不足用补充取150不足用补充取150不足用补充不满足不满足不满足4.05 mm2278.8mm2278.8mm2选配弯起钢筋弯起122122由于纵向钢筋充足，可弯起122实配钢筋面积380.1380.1380.1 验算最小配筋率,满足要求说 明由于剪力图呈矩形，在支座A截面右边的2.2m范围内需要布
13、置两排弯起钢筋，而且要使箍筋加密为100mm即可满足要求。由于剪力图呈矩形，且比较大，在支座截面B左边的2.2m范围内需要布置三排弯起钢筋，而且要使箍筋加密为100mm，即可满足要求。由于剪力图呈矩形，在支座截面B右边的2.2m范围内需要布置两排弯起钢筋，而且要使箍筋加密为100mm即可满足要求。为了施工方便，除加密区箍筋间距一律为1505、两侧附加横向钢筋的计算：次梁传来的的集中力：，附加箍筋布置范围：取附加箍筋8200,则在长度范围内可布置箍筋的排数：排, 梁两侧各布置三排。另加吊筋118， ，则由：，满足要求。五、关于计算书和图纸的几点说明：1、经验算各截面的尺寸、最小配筋率均可满足要求
14、。2、根据计算结果绘制板、次梁、主梁配筋图，图纸采用2#图纸，2张。2、结构平面布置图：比例1：200。3、板的配筋图：比例1：50、分布筋选用：6250、与主梁垂直的附加负筋选用：8200，深入板中的长度为500mm。、与承重砌体墙垂直的附加负筋选用：8200，伸出墙边长度为300mm。、板角附加短钢筋双向布置8200，每一方向伸出墙边的长度为500mm。4、次梁的配筋图：比例1：30、箍筋选用：6150通长布置。、中间支座负钢筋的弯起，上弯点距支座边缘为50mm。、号钢筋弯起后在B支座共同抵抗负弯矩，相当于116 ,在矩支座边缘1300mm处截断。、离支座边缘50mm处各设置一个附加箍筋。
15、、两根号钢筋弯起后在C支座共同抵抗负弯矩，相当于 116 ,在矩支座边缘1300mm处截断。、B支座第二批截断的号钢筋,在距支座边缘1800mm处截断。、号钢筋左端通长兼作第一跨架立筋，右端在距支座边缘2100mm处截断，与号钢筋在600mm范围内搭接，兼作第二跨的架立筋。、号钢筋在C支座右端通常兼作架立筋。5、主梁的配筋图：比例1：30、箍筋选用：加密区选用6100，非加密区选用6150。、中间支座负钢筋的弯起，上弯点距支座边缘为50mm。、在次梁与主梁交界处设置附加横向钢筋，选用8200,两边各布置三排,另加一根118吊筋.、离支座边缘50mm处各设置一个附加箍筋。、其余钢筋截断详见配筋图
16、。 - 125 - 设计人：吕书克（英文版 ） easily blame, to prevent the broken window effect. Supervise the leading cadres to play an exemplary role, take the lead in the strict implementation of the and , lead to safeguard the solemnity and authority of the party discipline, ensure that the party discipline and the l
17、aws and regulations for implementation in place. Throughout the discipline in the daily supervision and management, strengthen supervision and inspection, from the thorough investigation of violations of discipline behavior. Strengthen to key areas, key departments and key projects as well as the ma
18、sses reflect the concentration of the units and departments for supervision. - strengthening supervision, discipline inspection and supervision of cadres to set an example for compliance with the and is a man must be hexyl, blacksmith needs its own hardware. Discipline inspection organs as the execu
19、tor of the party discipline, and supervisor of the defenders, for its supervision must be more strictly, discipline inspection and supervision of cadres to firmly establish the awareness of Party Constitution, sense of discipline and rules consciousness, politics loyalty, sense obey. Action speak Ji
20、 Ordinance to set an example of the regulations of the rule of law, strengthen supervision and accept the supervision of the firmness and consciousness, do comply with and . To firmly establish the discipline must first be disciplined, the supervisor will be subject to the supervision of concept, an
21、d consciously safeguard and implement party compasses party, take the lead in practicing three strict real strict, so loyal, clean, play. To be good at learning, the Constitution and the as morality, politics and brought to fruition; to implement , do not want to, dare not, not with disciplinary rul
22、er to supervision; to discipline a ruler, often the control inspection, and consciously in the ideological red line to draw the row Ming Good accumulation is indeed the bottom line, so that the heart has fear, said to have quit, the line has ended. Attached: indifferent to heart, calmly to the table
23、 in our life, there are many unpredictable things will happen, some good, some bad things, we cannot control is powerless to stop, but with time, you will find in life sometimes turns out to be not good, some bad things finally turned out to be a good thing, but then we muddy however did not know, t
24、his is the life teach us things. 1, life can be complex, can also be simple. Want simple life of precipitation, to have enough time to reflect, to make Become more perfect. Life is the most important thing is not to win, but the struggle; not to have conquered, but to have fought well. 2, the plain
25、is the background of life. Live a plain life, give up on themselves is not a coward, but the wise answers; not disillusioned after the heart, such as ashes, but experience the storm after the enlightenment; not unrewarding perfunctorily, but calm attitude of life of unrestrained self-confidence. Pla
26、in living, there is no noise noisy, no earthly troubles, more did not fill in the discontent of desire, some just a calm, a calm. 3, memory of heart will not good things to erase the, life is a When no movie, pain is a beginning, the struggle is a kind of process, death is a kind of ending. Give up
27、this giving up is the helpless, do not give up the abandoned, do not give up this giving up is ignorance, do not give up should not give up is persistent. 4, a thing figured is heaven, think impassability is hell. Since the living, to live better. Sometimes we because of too narrow-minded, too care
28、around the chores and penny wise and pound foolish, not worth the candle. Some things to attract trouble and worry, completely depends on how we look at and deal with it. Dont always take everything back to things, and dont get into a blind alley, dont want to face, dont be narrow-minded. Poke to ca
29、re, is a kind of open-minded, a free and easy. 5, I am not afraid of others behind me a knife, I afraid to look back and see stab me, is my intention to treat people; I am not afraid of the truth to tell the best friend, Im afraid he turned to it as a joke to tell dont 6, when we are in a positive f
30、rame of mind, you will find many good things; and when we are in a negative state of mind, you will find many depressed things; life happy and worry, all is you of life attitude, optimistic, good luck; loss of sink, Eritrea company. When you are in adversity, may wish to change a point of view to th
31、ink everything over to the good Think, because good mentality decided the fate of the! 7, people are tired, rest; heart tired, calm. Grow up, mature, this society read. Tired and sad, squat down, to their a hug. Because the world no one can sympathize with you, have mercy on you. You cry, tears is y
32、our own; you pain, no one can understand. Then you only tears to smile. 8, each people have youth,Each youth are a story, the life of the world never gets easier, I want what, wish the world all know, as has been the same; now want anything, for fear that others know, or like to lose the same. 9, th
33、e heart move, everything in the world is followed by birth, Rangrang, important thing is often the most difficult to open ones mouth, because words will reduce its importance; to let strangers people care about your life in the good things, the original is not easy 10, do not blame, do not laugh at
34、who, also dont envy who. Like a person is a kind of feeling, not like a person is true. The truth is easy to explain, I feel Is unspeakable. The best travel life is that you in a strange place found a long lost touched. 11, happy life not in the bustling in, and in the peace of mind; no matter how m
35、any grievances, how uncomfortable, and ultimately to heal themselves or their own, others may got you to comfort, but never know your heart is how wanjianchuanxin. 12, maam, like a movie, learn to appreciate, learn to be grateful, learn tolerance, and goodness, helping others. Instead of accusing th
36、e society, as into one; and an exception is better to give than to what 13, dont envy him A sum of, dont lose your life and the life, respectively is: the former is a we experienced cannot escape in a day finally will last minute, while the latter is our persistent, we want to cherish the memory of
37、those people and things. 14, learn to smile, learn to strong, the world you know so many people, so many people and you are, you cannot change also cant let everyone like you, so also do not want to do. Life is too short to go crazy to love to go to waste, to chase the dream to regret. 15, when temp
38、er, a blessing to go. A wounding elegant people, the key is to control their own emotions. With the mouth is the most stupid behavior. A control negative emotions than a can take a city more powerful water flow slow, language is expensive. People spent two years of time to learn to speak, but to spe
39、nd a few years time to shut up. That is a kind of ability, that is a kind of wisdom. 16, life is not perfect, sometimes, growth is not a cry, not an eyeful of tears, there is no trace of emotion, there is no gleam of hope, no desire, no action, no static, there is only one kind of downward sinking f
40、eeling, sink A murky? 6? 7? 6? 7 sink? 6? 7? 6? 7 toward the bottom of the sink. 17, in some way, do not go, you will not know the other side scenery is beautiful. To you is not good, you do not mind too much, no one has an obligation to you; you learn knowledge, is you have weapons, you can start f
41、rom scratch, but not unarmed; how do you treat people, does not represent how others treat you, if cannot see through this point, only inviting worry. 18, time is like a sponge in the water, as long as you are willing to squeeze, the total water is still there. Every life, after the ups and downs Th
42、e best test of live, to life, survival and continuation, do not stop the struggle in the joys and sorrows of life on the road, so that different soul to bear life beat, acceptance of suffering. 19, indifferent to heart, calmly in table, elegant and comfortable life, do not take what is so important. The pursuit will be disappointed;