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屋面排水地漏怎么设计？

屋面排水地漏怎么设计？

浏览：47次 | 提问时间： 07-10 09:22

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4个答案

honey 07-10 09:22

你好，有以下设计方法：
1、无组织排水：又称自由落水，是指屋面雨水直接从檐口落至室外地面的一种排水方式。具有构造简单、造价低廉的优点，但屋面雨水自由落下会溅湿墙面，外墙墙脚常被飞溅的雨水侵蚀，影响到外墙的坚固耐久性，并可能影响人行道的交通。无组织排水方式主要适用于少雨地区或一般低层建筑，不宜用于临街建筑和高度较高的建筑。
2、有组织排水：屋面雨水通过排水系统，有组织地排至室外地面或地下管沟的一种排水方式。具有不妨碍人行交通、不易溅湿墙面的优点，因而在建筑工程中应用非常广泛。但与无组织排水相比，其构造较复杂，造价相对较高。
外排水：常用外排水方式有女儿墙外排水、檐沟外排水、女儿墙檐沟外排水三种(图8-7)。在一般情况下应尽量采用外排水方案，因为有组织排水构造较复杂，极易造成渗漏。在一般民用建筑中，最常用的排水方式有女儿墙外排水和檐沟外排水两种。
内排水：水落管位于外墙内侧。多跨房屋的中间跨为简化构造，以及考虑高层建筑的外立面美观和寒冷地区防止水落管冰冻堵塞等情况时，可采用内排水方式。

如何就将 07-10 09:30

首先屋面排水不能做带存水弯的地漏，要做雨水斗，地漏排水流量太小。应向建筑专业提示地漏的设置位置，要求地面坡度坡向地漏，地漏链子面应低于地面标高5-10mm。

心软至命 07-10 09:39

1、固定牢固；
2、与混凝土间要用水泥砂浆或聚合物水泥防水砂浆塞实；
3、管口与混凝土接缝处用密封胶或高分子防水涂料加强防水，(个人认为用聚氨酯涂料密封就很好)。
4、天沟防水铺设时要弯入接口内。

我們的情人節 07-10 09:47

在一些专门设计(针对同层排水接入器的特点)的卫生间，不须下沉楼板即可采用同层排水接入器，地漏采用侧墙式即可。

首先，在卫生间中，应将立管设置在能留检查口的地方。例如，当浴缸端部有通风井时，应将立管设置在通风井旁，立管旁应预留检查口，该检查口可以壁柜的形式出现。
　　其次，排水横管应有一定坡度，确保水能按照规定的充满度正常流入排水立管。例如，DN50的排水塑料管坡度为2.5%，最小不得小于1.2%.
　　还有，由于同层排水接入器有两个废水接口，不同侧的洁具可分别接入不同侧的废水接口，尽量避免排水管不必要的交叉。

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