柱模板荷载标准值计算

Comment [U1]: 建议对于柱模板方案

重点叙述施工方法,如何支?怎么做?计

算内容不用再写!计算内容重点放在满

堂架上.2)柱模板荷载标准值计算

强度验算要考虑新浇混凝土侧压力和倾倒混凝土时产生的荷载设计值；挠度验算只

考虑新浇混凝土侧压力产生荷载标准值。

a)新浇混凝土侧压力计算公式为下式中的较小值:

其中 c—— 混凝土的重力密度，取25.000kN/m3；

t —— 新浇混凝土的初凝时间，为0时(表示无资料)取200/(T+15)，取

5.714h；

T —— 混凝土的入模温度，取20.000℃；

V —— 混凝土的浇筑速度，取2.500m/h；

H —— 混凝土侧压力计算位置处至新浇混凝土顶面总高度，取3.900m；

1—— 外加剂影响修正系数，取1.200；

2—— 混凝土坍落度影响修正系数，取1.000。

根据公式计算的新浇混凝土侧压力标准值 F1=50.680kN/m2

实际计算中采用新浇混凝土侧压力标准值 F1=50.690kN/m2

倒混凝土时产生的荷载标准值 F2= 4.000kN/m2。

3)柱模板面板的计算

面板直接承受模板传递的荷载，应该按照均布荷载下的三跨连续梁计算，面板的计

算宽度取柱箍间距0.50m，计算如下：

250 250 25033.21kN/m

AB

Comment [U2]: 柱子这种竖向构件采

用简支梁计算模型是错误的!柱子侧模

受力从下到上是有个压力差,并非均布

荷载!面板计算简图

荷载计算值 q = 1.2×50.69×0.5+1.4×4.0×0.5=33.214kN/m

面板的截面惯性矩I和截面抵抗矩W分别为:

本算例中，截面惯性矩I和截面抵抗矩W分别为:

W = 50.00×1.80×1.80/6 = 27.00cm3；

I = 50.00×1.80×1.80×1.80/12 = 24.30cm4；

a)抗弯强度计算

f = M / W < [f]

其中 f —— 面板的抗弯强度计算值(N/mm2)；

M —— 面板的最大弯距(N.mm)；

W —— 面板的净截面抵抗矩；

[f] —— 面板的抗弯强度设计值，取15.00N/mm2；

M = 0.100ql2

其中 q —— 荷载设计值(kN/m)；

经计算得到M =0.1×(1.2×25.345+1.4×2.00)×0.25×0.25=0.208kN.m

经计算得到面板抗弯强度计算值f =0.208×1000×1000/27000=7.688N/mm2

结论：面板的抗弯强度验算 f < [f],满足要求!

b)抗剪计算

T = 3Q/2bh < [T]

其中最大剪力 Q=0.600×(1.2×25.3452+1.4×2.000)×0.250=4.982kN

截面抗剪强度计算值 T=3×4982.0/(2×500.0×18.000)=0.830N/mm2

截面抗剪强度设计值 [T]=1.40N/mm2

结论：抗剪强度验算 T < [T]，满足要求!yuan, an increase of 17.5%; local government general budget revenue of 500 million Yuan, ... Painting, model culture creates new Ma Church community, creating Lake scenic spot culture education base, received high evaluation from provincial and municipal discipline Inspection Commission, the people's daily special report. Constantly promote independent Commission against corruption culture construction to rural extends, created established Dahlin rural industry Park independent Commission against corruption culture positions, formed has a support "service low double excellent" of members lead team, constantly perfect and established Park funds assets management, and village audit supervision, and villagers democratic financial, system, strengthening Park party, and Chief, and financial, full public, powerful to guarantees has new rural construction, by city rural style clean government inspection unit led of height evaluation. Through the implementation of honest and clean government cultural construction, and effectively educate the broad masses of party members and cadres and consciously regulated behavior and discipline, honesty in politics and culture to create a good atmosphere and fresh development environment. Although we in implement implementation independent Commission against corruption guidelines aspects made has must effectiveness, but away from superior of requirements also exists must of distance, main performance for: a is system enough sound, education, and supervision, and prevention, and punishment, aspects long-term mechanism also enough perfect, especially in enrollment bid work regulatory aspects also needed strengthening; II is regulatory supervision exists lost of Yu wide, and lost of Yu soft, investigation illegal disciplinary case of efforts also needed strengthening, individual sector and cadres also different degree exists treat gift, not to benefits not do, and mess do of phenomenon; Three for honest work is the new situations and new problems in finding timely enough, treatment measures are not strong enough. To solve these problems, we will proceed from the following five aspects of rectification, make sure to implement the provisions of the code. (A) deepening the learning, enhance the consciousness of honesty in politics. To create event as an opportunity to Excel and learning party, further increasing the governance capability and advanced construction, reinforced rules of the broad masses of party members and cadres awareness, sense of responsibility, sense of honor, improve working ability and level of scientific development. Should make full use of meetings, in particular central group learning opportunity, further strengthening the study and education of the code, the intensive warning education, education the majority of party members and cadres known fear, knew fear, honesty in politics of tension the strings, consciousness and enhancing the implementation of the initiative. Also, pay attention to apply what they have learned, consciously study results into planning work, new ideas,

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