推荐回答(3个)
对于你跳一下之后出现一弹一弹的感觉,这种情况是允许的,但也不全是这种情况。分析如下:1、客厅的楼板是四边简支的双向板(建筑专业术语),一般跨度在4m左右,跨度比较大。2、楼板的配筋一般是圆钢,直径8mm,间距150mm左右,特别是楼板的中心部位,一般只配置底部钢筋,只有在靠近墙体的附近(结构一般为1/3的板跨),才会配置负弯矩钢筋(负弯矩钢筋的作用是防止墙根处的楼板裂缝)。3、楼板的厚度比较薄。现在规范要求不小于80mm,说实在的,就是100mm厚的楼板,实际施工的时候多少也会出现的小问题的。4、结构设计的时候,所有的荷载(楼房的受到的外力)里面没有包括你在楼板上面跳高的力量,这个力量虽然不是很大,但对于楼板的某一个点来说,这个力是很大的。综上:楼板就像一张钢丝床(厚度10公分,里面是钢筋网,外面用混凝土包裹了一层),你在上面跳一跳,你说会是什么感觉呢?
要想不出现你说的情况:1,加大钢筋的直径和密度,2、采用双层双向钢筋网,3,混凝土楼板的厚度再厚一点,超过10公分。
谢谢!
上面的朋友说的是在施工的时候应该注意的地方,但不是楼主的问题,对不对。
楼主家住的事多层砖混结构,清水是指没有粉刷过的墙面,以砖面作为装饰面得墙,现在一般没有这样的多层住宅,没有装修的房子叫毛坯房。
你跳吧,没事。塌不掉。
砖混结构楼板中产生裂缝有多种原因,主要是温度和湿度的变化,混凝土的脆性和不均匀性,以及结构不合理,原材料不合格(如碱骨料反应),模板变形,基础不均匀沉降等。混凝土一旦出现裂缝将会影响整个楼层结构,降低承受力,严重的甚至危及人员安全,如果不修补将会逐渐加深加宽,危害越大。
修补裂缝最好的方法莫过于灌浆法,灌浆法是指通过压力的方式把化学浆液灌到裂缝中,化学浆液会自动沿着裂缝渗透,由于具有较小的表面张力,化学浆液在混凝土的面上很容易铺展,渗入裂缝并填充混凝土空隙,然后在固化剂的作用下,固结体成一个整体,由于化学浆液的强度远大于混凝土的强度,所以能够起到补强和加固的作用。对于裂缝来说,灌浆法是一种近乎完美的方法
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