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建筑排水管道安装的方法是什么？

建筑排水管道安装的方法是什么？

浏览：53次 | 提问时间： 08-10 04:06

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思念震耳欲聋 08-10 04:06

(1)管道安装之前需复测管道地沟,支架是否符合管道安装的标高、坡度和坡向。支架间距是否符合图纸和有关规范的要求。考虑到放空和管道运行的工艺需要。
(2)法兰焊缝及其他连接件的设置应便于复检,并不得紧贴墙壁、楼板或管架。
(3)管道安装施工过程中及完工后,应及时填写各种施工技术*表格并经签证记录,埋地铺设的管道,应做好试压试验,办理隐蔽工程验收,填写隐蔽工程记录并及时回填,这些施工技术*均应整理存档。
(4)管道穿越剪力墙、梁适宜预留钢套管,但穿越楼板、砖墙可用塑料套管或预留洞,比如卫生间排水支管,只需预留洞。具体见《建筑给水排水及采暖工程施工质量验收规范》。
(5排水塑料管道穿越封闭空间内(如管井、厨卫内)宜增加阻火圈,非封闭空间,可以不加阻火圈(如外墙、阳台)。
(6)管道安装工作如有间断,应及时封闭敞开的管口。
(7)管道连接时,不得用强力对口,也不得用加热管子及加偏垫等方法来消除接口端面的空隙偏差、错口或不同心等缺陷。
(8)近年来,给水管材多采用PP-R管,排水管多采用UPVC管。以上两种管材与传统金属管道相比具有自重轻、耐腐蚀、耐压强度高、卫生安全、水流阻力小、使用寿命长、安装方便等特点。

　　(9)PP-R管材有热融和螺纹连接等连接方式。其中热融连接最为安全可靠。连接前应清除管道及附件上的灰尘及异物。连接时应无旋转的把管道插入加热套管内,达到预定深度;同时无旋转的把管件推到加热头上加热,达到加热时间后,立即把管子和管件从加热套管与加热头上同时取下,迅速无旋转的均匀用力插入到所要求的深度,使接头处形成均匀凸缘。世纪星工程师介绍在规定的加热时间内,刚熔接好的接头还可进行校正,但严禁进行旋转。管材和管件加热时应防止加热过度,使厚度变薄。连接完毕时必须紧握管子与管件并保持足够的冷却时间,使管与管件连接牢固。
(10)给水管道试压。在管道安装完毕后再全面检查核对已安装的管、阀门等,全部符合设计和技术规范规定后,把不宜和管道一起试压的配件拆除,换上临时短管,所有开口处封闭,并从最低处灌水,高处放气。系统试压时须考虑应急措施,发现异常立即中止,并应有及时泄水或排水的方案和设备。试压合格后应对管道进行*洗工作。

柔骨ざ傲性 08-10 04:15

1.排水铸铁管安装。排水立管设在管井内，应设置牢固的支架、托架。   使压力容器上部管道的重量通过支架、托架传给墙体。立管与出户管连接底部应设混凝土支墩，防止立管下沉。   排水管道接口应按设计要求选用。对于超尚层建筑或地震设防在八度以上的地仪。排水立   管高度超过50m时，应选月J柔性抗震排水铸铁管接口。

　　2.硬聚*乙*排水管安装。硬聚*乙*塑料管用于高层建筑排水系统。应解决以下技术问题：

　　（1）管道支架。由于立   管高度大，每层应设一个牢固的固定支架和两个滑动支架。

　　（2）立管消能。由于塑料劳内壁光滑。水流速度快。为减少立管内水流冲击力，保护卫生器具的水封，应采用消能装置。

　　（3）管件的选用   。一般硬聚*乙*管件耐压能力低于管材，所以在高层建筑排水系统中，以采用玻璃钢管增强复合管件为宜。

挨千刀 08-10 04:23

1）排水干管安装
安装托、吊干管要先搭设架子，将托架按设计坡度栽好或栽好吊卡量准吊棍尺寸，将预制好的管道托、吊牢固，并将立管预留口位置按室内地平线、坐标位置及轴线找好尺寸，接至规定高度，将预留管口装上临时封堵。排水管坡度符合施工规范规定。坡度过小或倒坡会影响使用效果。
2）排水立管安装
根据施工图校对颁留管洞尺寸有无差错，如有偏差则需剔凿楼板洞，剔凿楼板时按位置画好标记，经结构设计同意后对准标记剔凿，断筋时，按结构要求处理。安装立管时上下配合就位，在复核立管垂直度后，将立管临时固定牢固。立管安装完毕后，配合土建将洞口与管道间隙灌满堵实，并拆除临时支架。立管每层设检查口，高度距安装地面1m。
3）排水支管安装
支管安装应先搭好架子，并将托架按坡度栽好，或栽好吊卡，量准吊架尺寸，将预制好的管道抬到架子上，再将支管组队安装。支管设在吊顶内，末端有清扫口的，将管接至上层地面上，便于清掏。排水支管一定要按规定的坡度进行安装，不允许有倒坡、平坡的现象。支管安装完后，可将设备的预留管安装到位，找准尺寸并配合土建将楼板孔洞堵严，预留管口装上临时封堵。

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