怎样计算混凝土与钢筋混凝土工程中现浇混凝土的工程量?
推荐回答(1个)
(1)工程量除另有规定者外,均按尺寸实体体积以立方米计算。不扣除构件内钢筋、预埋铁件及墙、板0.3平米内孔洞所占体积,但应扣除劲性型钢骨架体积。埋管断面合计面积超过混凝土构件断面3%以上部分应扣除工程(3%以内的部分不扣除)。
(2)基础。
1.有肋带形基础,其肋高与肋宽之比在4∶1以内的按带形基础计算;超过4∶1时,其基础底板按板式基础计算,以上部分按墙计算。
2.箱式满堂基础应分别按满堂基础、柱、墙、梁、板有关规定计算,套用相应项目。
3.设备基础除块体以外,其他类型设备基础分别按基础、梁、柱、板、墙等有关规定计算,套相应的项目计算。
(3)柱。按断面尺寸乘以柱高以立方米计算。柱高按以下规定确定:
1.有梁板的柱高,应自柱基上表面(或楼板上表面)至上一层楼板上表面之间的高度计算。
2.无梁板的柱高,应自柱基上表面(或楼板上表面)至柱帽下表面之间的高度计算。
3.框架柱的柱高应自柱基上表面至柱顶高计算。
4.构造柱按全高计算,与砖墙嵌接部分的体积并入柱身体积内计算。
5.依附柱上的牛腿,并入柱身体积内计算。
(4)梁。按断面尺寸乘以梁长以立方米计算。梁长按下列规定确定。
1.梁与混凝土柱连接时,梁长算至柱侧面;梁与混凝土墙连接时,梁长算至墙侧面。
2.主梁与次梁连接时,次梁长算至主梁侧面。伸入砌体墙、柱内的梁头,梁垫体积并入梁体积内计算。
(5)板。按面积乘以板厚以立方米计算,其中
1.有梁板包括主、次梁与板,按梁、板体积之和计算。
2.无梁板按板(包括其边梁)和柱帽体积之和计算。
3.平板按板实体体积计算。
4.现浇挑檐天沟与板(包括屋面板、楼板)连接时,以外墙为分界线,与圈梁(包括其他梁)连接时,以梁外边线为分界线。外墙边线以外或梁外边线以外为挑檐天沟。
5.各类板伸入砌体墙内的板头并入板体积内计算。
(6)墙。按中心线长度乘以墙高及厚度以立方米计算,应扣除门窗洞口及0.3平米以外孔洞的体积,墙垛及凸出部分(包括边框梁、柱)并入墙体积内计算。
(7)空心楼盖内置空心管(盒)模块工程量按外形体积以立方米计算。现浇混凝土空心楼盖体积应减去空心管(盒)模块体积套用相应现浇子目。
(8)整体楼梯包括休息平台、平台梁、斜梁及楼梯的连接梁,按水平投影面积计算,不扣除宽度小于500mm的楼梯井,伸入墙内部分不另增加。
(9)伸出外墙的悬挑板(包括平板、雨篷等),按伸出外墙的体积计算,其反沿并入悬挑板内计算。
(10)栏板以立方米计算,伸入墙内的栏板,合并计算。
(11)预制板补现浇板缝时,按平板计算。
(12)预制钢筋混凝土框架柱现浇接头(包括梁接头)按设计规定断面和长度以立方米计算。
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