K3+560.1上跨济青高速公路分离立交桥
11号桥台台背回填工程量计算
1.上宽=22m
高=0.70-0.54=0.16m
长=2.931m (顺路线为长)
V
1
=22×0.16×2.931=10.32m3
2.上宽=22m
下宽=22-〔（2.332-0.7）÷3.5×2〕=21.07m
高=2.332-0.7=1.632m
长=2.931m
V
2
=（22+21.07）/2×1.632×2.931=103.01m3
3.上宽=21.07m
下宽=16.356m
高=47.819-2.332-36.97-0.21/2=8.412m
长=（2.931+0.476）/2=1.7035m
V
3
=（21.07+16.356）/2×8.412×1.7035=268.15m3
V
计1=V
1
+V
2
+V
3
=10.32+103.01+268.15=381.48m3
4.桥台侧墙后2米中间工程量计算
宽=23.8m
高=47.75-0.54-36.97-0.238/2=10.121m
长=2m
=23.8×10.121×2=481.76m3
V
4
5.桥台侧墙后2米侧墙两侧工程量计算（上部）
上宽=0.25+0.9+1=2.15m
下宽=2.15+2.85=5m
高=1.9m
长=2m
护坡√1.92+2.852×0.25×2=1.71m3
V5=〔（2.15+5）/2×1.9×2〕×2-1.71×2=23.75m3
6左.桥台侧墙后2米侧墙左侧工程量计算（中部）上宽=2.15+2.85-0.25=4.75m
下宽=4.75-2=2.75m
高H=4m
长=2m
=(4.75+2.75)/2×4×2=30m3
V
6左
6右.桥台侧墙后2米侧墙右侧工程量计算（中部）上宽=2.15+2.85-0.25=4.75m
下宽=4.75-2.33=2.42m
高H=4.24m
长=2m
=（4.75+2.42）/2÷4.24×2=30.4m3
V
6右
7左.桥台侧墙后2米侧墙左侧工程量计算（下部）上宽=2.75-2.40=0.35m
下宽=0.35+（41.012-36.97）×0.25=1.36m
高=41.012-36.97=4.042m
长=2m
V
= (0.35+1.36)/2×4.042×2=6.91m3
7左
7右. 桥台侧墙后2米侧墙右侧工程量计算（下部）上宽=2.42-2.50=-0.08m
下宽=-0.08+（40.772-36.97）×0.25=0.87m
高=41.012-36.97-0.24=3.802
长=2m
=（-0.08+0.87）/2×3.802×2=3.00m3
V
7右
承台上高程与实际挖基底未计量
上宽=23.8+1.36+0.87=26.03m
下宽=26.03+2.23×0.25×2=27.15m
高=36.97-34.73=2.24m
长=2m
V
6.7承台后
=（26.03+27.15）/2×2.24×2=119.12m3扣减挡墙后级配碎石
V
碎石
=43.8÷10×2+45.68÷10×2=17.90m3
V
计2=V
4
+V
5
+V
6左
+V
6右
+V
7左
+V
7右
+V
6.7承台后
-V
碎石
=
481.76+23.75+30.00+30.40+6.91+3.00+119.12-17.90=677.04m3
8.桥台后2米外1:1坡回填工程量计算中间部分
宽=23.8m
高=47.585-0.54-11.9×0.01-36.97=9.956m
长=9.956÷2=4.978m
V
8
=23.8×9.956×4.978=1179.55m3
9.桥台后2米外1:1坡回填工程量计算（上部）
上宽=0.25+0.9+1=2.15m
下宽=2.15+2.85=5m
高=1.9m
长=47.585-11.9×0.02-0.6-36.97-1.9÷2=8.83m
扣护坡=√22×0.25×8.83=7.56m3
V
9
=〔（2.15+5）/2×1.9×8.83〕×2-7.56×2=104.84m3 10左.桥台后2米外1:1坡回填工程量计算（中部）上宽=2.15+2.85-0.25=4.75m
下宽=4.75-2=2.75m
高H=4m
长=（7.88+3.88）/2=5.88m
V
10
=（4.75+2.75）/2×4×5.88=88.2m3
10右.桥台后2米外1:1坡回填工程量计算（中部）上宽=2.15+2.85-0.25=4.75m
下宽=4.75-2.33=2.42m
高H=4.24m
长=（7.88+3.64）/2=5.76
V10右=（4.75+2.42）/2×4.24×5.76=87.55m3
11左.桥台后2米外1:1坡回填工程量计算（下部）上宽=2.75-2.4=0.35m
下宽=0.35+3.88×0.25=1.32m
高=3.88m
长=3.88/2=1.94m
V
11
=(0.35+1.32)/2×3.88×1.94=6.29m3
11右.桥台后2米外1:1坡回填工程量计算（下部）上宽=2.42-2.5=-0.08m
下宽=-0.08+3.64×0.25=0.83m
高=3.64m
长=3.64/2=1.82m
V
11右
=（-0.08+0.83）/2×3.64×1.82=2.48m3
V
扣碎石
=43.8÷10×7.88/2+45.68÷10×7.88/2=35.26m3
V
计3=V
8
+V
9
+V
10左
+V
10右
+V
11左
+V
11右
-V
扣碎石
=1179.55+104.84+ 88.2+87.55+6.29+2.48-35.26=1433.65m3
V
总
=381.48+677.04+1433.65+115.81=2607.98m3
