台背回填锥坡工程量计算表
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台背回填及锥溜坡土工程量计算公式
台背回填及锥溜坡土计算公式
1、台背回填由侧墙(或耳墙)尾端起沿路线方向4m开始按1:1坡度计算,即台背回填底宽=(侧墙或耳墙长度L+4)m,台背回填顶宽=(侧墙或耳墙长度L+4+回填高度H)m,由此得出台背回填计算公式:V=(L+4+H/2)*H*台背宽度(U型桥台L为侧墙长度,薄壁台、扶壁台、肋板台、柱式台L为耳墙长度,箱涵、盖板涵底宽自墙身外延4米)。
2、护坡体积单个:V= H^2*1.5/2*护坡基础长度(H为护坡填筑高度即台背回填高度,护坡基础长度为4m,具体尺寸以各标段图纸所示为准)。
3、锥坡体积单个:V=H*[(i*H) ^2*PI()/3*(180-右夹角)/360](H为锥坡填筑高度,i为锥坡坡度)。
4、台前溜坡体积(限肋板台、柱式台):V=溜坡基础长度*h*(i*h )/2+埋置土体积(溜坡基础长度为台背宽度,h为溜坡高度即埋置台身高度,i为台前溜坡坡度,埋置土体积为埋置台身中间填土体积)。
5、侧墙或耳墙尾端与锥坡间溜坡体积V= H^2*1.5/2* (H为填土高度,为耳墙或侧墙尾端与锥坡间距离,具体尺寸以各标段图纸所示为准)。
6、计量范围:1、2计入清单号204-1-g(结构物台背回填);3、4、5计入清单号204-1-h(锥坡及台前溜坡填土)。
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)V1=22×0.16×2.931=10.32m32.上宽=22m下宽=22-〔(2.332-0.7)÷3.5×2〕=21.07m高=2.332-0.7=1.632m长=2.931mV2=(22+21.07)/2×1.632×2.931=103.01m33.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=1.7035mV3=(21.07+16.356)/2×8.412×1.7035=268.15m3V计1=V1+V2+V3=10.32+103.01+268.15=381.48m34.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=481.76m3V45.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=1.71m3V5=〔(2.15+5)/2×1.9×2〕×2-1.71×2=23.75m36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=30m3V6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=30.4m3V6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=2mV= (0.35+1.36)/2×4.042×2=6.91m37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=3.00m3V7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=2mV6.7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=17.90m3V计2=V4+V5+V6左+V6右+V7左+V7右+V6.7承台后-V碎石=481.76+23.75+30.00+30.40+6.91+3.00+119.12-17.90=677.04m38.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=4.978mV8=23.8×9.956×4.978=1179.55m39.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=7.56m3V9=〔(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=5.88mV10=(4.75+2.75)/2×4×5.88=88.2m310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=5.76V10右=(4.75+2.42)/2×4.24×5.76=87.55m311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=1.94mV11=(0.35+1.32)/2×3.88×1.94=6.29m311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=1.82mV11右=(-0.08+0.83)/2×3.64×1.82=2.48m3V扣碎石=43.8÷10×7.88/2+45.68÷10×7.88/2=35.26m3V计3=V8+V9+V10左+V10右+V11左+V11右-V扣碎石=1179.55+104.84+ 88.2+87.55+6.29+2.48-35.26=1433.65m3V总=381.48+677.04+1433.65+115.81=2607.98m3K3+560.1上跨济青高速公路分离立交桥11号桥台锥坡回填工程量计算1.上部锥坡体积计算a=5m b=4.25 m H=2.5mV1=π/12abH=3.14÷12×5×4.25×2.5=13.90m32.下部锥坡体积计算a=5m b=4.25m H=4.24ma 1=3m b1=2.25mV左=π/4(ab+a1b1)÷2×4.24=3.14÷4×(5×4.25+3×2.25)÷2×4.24=46.60m33.下部锥坡体积计算a=5m b=4.25m H=4ma 1=2.67m b1=1.92mV右=π/4(ab+a1b1)÷2×H=3.14÷4×(5×4.25+2.67×1.92)÷2×4=41.41m3V锥坡=2V1+V左+V右=13.9×2+46.60+41.41=115.81m3。