管线综合竖向部分讲义教学教材.ppt

单击此处编辑母版标题样式,单击此处编辑母版文本样式,第二级,第三级,第四级,第五级,*,管线综合竖向部分讲义,三、地下管线综合竖向布置的要求,确定各种工程管线交叉口的标高，应首先考虑排水管线标高。,2,各种工程管线交叉时，自地表面向下排列的顺序宜为：,（,1,）热力管线,（,2,）电信电缆或电信管块,（,3,）电力电缆（低压电缆应在高压电缆上面越过）,（,4,）燃气管线,（,5,）给水管线；,（,6,）排水管线；,3,应满足地下工程管线交叉时最小垂直净距要求。,上水管道：沿地面敷设，埋深,1-2,，,2-3,，,3-4,各管段均在距地面标高,1.1m,敷设，管径,200m m,。,雨水管流量计算,管,段,编,号,管长,L(m),汇水面积,F(10,4,m,2,),管内雨水流行时间,单位面积 径流量,q,(L,/s10,4,m,2,),设计流量,Q,(l,/s),管径,D,mm,坡度,I(,),t,2,t,2,1,2,3,4,5,6,7,8,9,1-2,150,1.69,0,3.29,55.98,94.58,400,2.1,2-3,100,4.07,3.29,1.98,40.29,163.98,500,1.9,3-4,100,6.67,5.27,1.98,35.05,233.78,600,1.5,雨水管道水力计算,管段,编号,流速,v(m,/s,),管段,输水能力,Q(L,/s),降落量,iL(m),设计地面高程,(m),设计管内底高程,(m),埋深,(m),起点,终点,起点,终点,起点,终点,1,2,3,4,5,6,7,8,9,10,1-2,0.76,96.00,0.315,12.030,12.060,10.730,10.415,1.3,1.65,2-3,0.84,165.00,0.190,12.060,12.060,10.315,10.125,1.75,1.94,3-4,0.84,240.00,0.150,12.060,12.040,10.025,9.875,2.04,2.27,污水管段设计流量计算,管,段,编,号,沿线流量,集中流量,管段设计流量,（,L,/S),本线流量,转输,流量,（,L,/S),平均流量,（,L,/S),K,Z,q,1,（,L,/S),本段流量,（,L,/S),转输流量,（,L,/S),q,2,（,L,/S),街坊编号,设计人口,10-9,VIII,6000,7.0,-,7.0,2.24,15.6,-,-,-,15.6,9-8,VII,4500,5.2,7.0,12.2,2.08,25.4,-,-,-,25.4,8-7,VI,5000,5.8,12.2,18.0,1.98,35.7,-,-,-,35.7,7-6,V,8000,9.3,18.0,27.3,1.90,51.8,-,-,-,51.8,6-1,-,-,18.0,27.3,190,51.8,2.1,-,2.1,53.9,5-4,IV,6000,7.0,-,7.0,2.24,15.6,-,-,-,15.6,4-3,III,4500,5.2,7.0,12.2,2.08,25.4,-,-,-,25.4,3-2,II,4500,5.2,12.2,17.4,1.98,34.5,15.0,-,15.0,49.5,2-1,II,8000,9.3,17.4,26.7,1.90,50.7,-,15.0,15.0,65.7,1-0,-,-,26.7,26.7,1.90,50.7,-,15.0,15.0,65.7,污水管道水力计算,管段编号,管段长度,L(m),管段设计流量,管径,dmm,坡度,i,设计流速,v(ms),设计充满度,降落量,Il(m),高程,(m),管底埋深,(m),h,/d,水深,H(m),地面,管底,起点,终点,起点,终点,起点,终点,平均,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,10-9,180,15.6,250,0.0041,0.70,0.47,0.117,0.74,14.6,14.00,13.6,12.86,1.00,1.14,1.07,9-8,200,25.4,300,0.0035,0.75,0.49,0.153,0.70,14.00,13.40,12.81,12.11,1.19,1.29,1.24,8-7,200,35.7,350,0.0035,0.80,0.47,0.164,0.70,13.40,12.80,12.60,11.36,1.34,1.44,1.39,7-6,250,51.8,400,0.0030,0.84,0.49,0.196,0.75,12.80,12.10,11.31,10.56,1.49,1.54,1.52,6-1,300,53.9,400,0.0030,0.85,0.51,0.204,0.90,12.10,11.30,10.55,9.65,1.55,1.65,1.60,5-4,180,15.6,250,0.0041,0.70,0.47,0.117,0.74,13.5,12.75,12.50,11.76,1.00,0.99,1.00,4-3,200,25.4,300,0.0035,0.75,0.49,0.147,0.70,12.75,12.50,11.71,11.01,1.04,1.49,1.27,3-2,200,49.5,400,0.0025,0.78,0.51,0.204,0.50,12.5,12.00,10.91,10.41,1.59,1.59,1.59,2-1,250,65.7,450,0.0023,0.79,0.52,0.234,0.58,12.00,11.30,11.36,9.78,1.64,1.52,1.58,1-0,150,111.6,500,0.0026,0.97,0.57,0.258,0.39,11.30,10.90,9.55,9.16,1.75,1.74,1.75,1,首先给上图中交叉点编 号，,其中：为雨水管道与污水管道交叉；为污水管道与给水管道交叉。,交叉点，从所给定资料可以读出：,交叉点处地面标高,H,地,=12.70m,；,污水管道,4,号检查井距离交叉点处为,L,W4-,=50m,；,污水管道,4,号检查井起点管底标高,H,W4,起,=11.71m,；,污水管道,4-3,号检查井间的管段坡度,i,w4-3,=0.0035,；,污水管道,4-3,段的管径,D,W4-3,=300mm,；,雨水管,3,号检查井距交叉点处距离为,L,Y3-,=70m,；,雨水管,3,号检查井的起点管底标高,H,Y3,起,=10.025m,；,雨水管管道,3-4,号检查井间的管段坡度,:,i,Y3-4,=0.0015,；,雨水管道,3-4,段的管径,D,Y3-4,=600mm,；,计算：交叉点处的污水管管底标高：,H,W,管,=H,W4,起,i,w4-3,L,W4-,=11.54m,；,交叉点处的污水管管底埋深为,:,h,污,=H,地,H,W,管,=12.70-11.54=1.16m,；,计算：交叉点处的雨水管管底标高：,H,Y,管,=H,Y3,起,L,Y3-,i,Y3-4,=9.92m,；,交叉点处的雨水管管底埋深：,h,雨,=H,地,-H,Y,管,=12.70-9.92=2.78m,算出交叉点处：,上面管线：污水管,300mm,，管底埋深,1.16m,下面管线；雨水管,600mm,，管底埋深,2.78m,则：垂直净距为,L,垂,=,h,雨,h,污,15,D,Y3-4,=1.02m,查地下管线间垂直净距规范知：所计算的垂直净距大于表中所规定的最小垂直净距，满足要求。,号交叉点，从所给资料可读出,:,交叉点处地面标高,H,地,=12.50m;,污水管道,3,号检查井距离交叉点处为,L,W3-,=50m;,污水管道,3,号检查井起点管道标高,H,W3,起,=10.91m,。,污水管道,3-2,号检查井间的管段坡度,i,w3-2,=0.0025;,污水管道,3-2,段的管径,D,W3-2,=400mm;,给水管管段,2-1,段管底埋深,h,S2-1,=1.1m,；,给水管,2-1,管段管径,D,S2-1,=200mm,；,计算：交叉点处的污水管管底标高：,H,W,管,=10.785m,；,交叉点处的污水管管底埋深为：,h,w,=1.715m,；,交叉点处的上水管管底标高,H,s,管,=11.4m,交叉点处的上水管管底埋深,h,s,=1.1m,；,算出交叉点处：,上面管线：给水管,200mm,，管底埋深,1.1m,下面管线；污水管,400mm,，管底埋深,1.715m,则：垂直净距为,L,垂,=0.215m,查地下管线间垂直净距规范知，污水管与给水管的最小垂直净距为,0.4m,。,0.4m0.215m,即号交叉点处的垂直净距不符合要求，出现矛盾，然后再根据管线综合出现矛盾时，用几让原则和垂直方向综合管线的相互顺序来解决,.,则知压力管线让自流管,.,假如给水管抬高,0.2m,，则给水管距地面埋深,0.9m,。,则交叉点处给水管的管底标高,H,s,管,=11.6m,；,交叉点处的垂直净距,L,垂,=0.415m,0.415m0.4m,（规范规定最小垂直净距）,所以，满足要求。,名称,截面,管底标高,污水管,0.3,11.54,雨水管,0.6,9.92,垂直净距,1.062,地面标高,12.70,交叉点,名称,截面,管底标高,给水管,0.2,11.6,污水管,0.4,10.785,垂直净距,0.415,地面标高,12.50,交叉点,二、管线交叉点标高的表示方法,1,、垂距简表法：,在每一个管线交叉点处画一垂距简表,然后把地面标高、管线截面大小、管底标高以及管线交叉处的垂直净距等项填入表中。,名称,截面,管底标高,给水管,0.2,11.6,污水管,0.4,10.785,垂直净距,0.415,地面标高,12.50,二、管线交叉点标高的表示方法,垂距表法：,先将管线交叉点编上号码，而后依照编号将管线标高等各种数据填入另外绘制的交叉管线垂距表,道路交叉口图,道路交叉口编号,管线交叉口编号,交叉点处的地面标高,上面,下面,垂直净距,附注,名称,管径,管底标高,埋设深度,名称,管径,管底标高,埋设深度,1,12.70,污水,0.3,11.54,1.16,雨水,0.6,9.92,2.78,1.062,2,12.50,给水,0.2,11.6,1.1,污水,0.4,10.785,1.715,0.415,3,1,2,3,二、管线交叉点标高的表示方法,3,、把场地管线平面综合图和竖向综合图放于一张，先给交叉点编上号，并在图下附上每个管线交叉点处的标高。适合图纸上管线简单，且交叉点少，比例大时。,交叉点上方管线管底标高管线名称交叉点下方管线管底标高管线名称管径管径。,二、管线交叉点标高的表示方法,4,、将管道直径，地面控制高程直接注在平面图上。然后将管线交叉点两管相邻的外壁高程用线分出，注于图纸空白处。,管道直径，地面控制高程直接注在平面图上,人有了知识，就会具备各种分析能力，,明辨是非的能力。,所以我们要勤恳读书，广泛阅读，,古人说“书中自有黄金屋。,”通过阅读科技书籍，我们能丰富知识，,培养逻辑思维能力；,通过阅读文学作品，我们能提高文学鉴赏水平，,培养文学情趣；,通过阅读报刊，我们能增长见识，扩大自己的知识面。,有许多书籍还能培养我们的道德情操，,给我们巨大的精神力量，,鼓舞我们前进,。,此课件下载可自行编辑修改，仅供参考！感谢您的支持，我们努力做得更好！谢谢,