土方工程的基础工程量的计算公式

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2025-02-08 14:56:14
推荐回答(5个)
回答(1):

挖条形基础 V=L*(ah+kh2) 

a=垫层宽+工作面*2 

h=挖土深度

k=放坡系数

挖基坑 V=(a+2c+kh)*(b+2c+kh)*h+1/3k2h3

a=长底边

b=短底边

c=工作面

h=挖土深度

k=放坡系数

计算土石方工程量前,应确定下列各项资料:

1.土壤及岩石类别的确定:土石方工程土壤及岩石类别的划分,依工程勘测资料与《土壤及岩石分类表》、本章说明中的鉴别表对照后确定。

2.地下水位标高及排水(降)水方法。

3.土方、沟槽、基坑挖(填)起止标高、施工方法及运距。

4.岩石开凿、爆破方法、石碴清运方法及运距。

5.其他有关资料。

扩展资料:

独立基础分:阶形基础、坡形基础、杯形基础3种。

独立基础的特点一:一般只坐落在一个十字轴线交点上,有时也跟其它条形基础相连,但是截面尺寸和配筋不尽相同。独立基础如果坐落在几个轴线交点上承载几个独立柱,叫做联合独立基础。

独立基础的特点二:基础之内的纵横两方向配筋都是受力钢筋,且长方向的一般布置在下面。

长宽比在3倍以内且底面积在20m2以内的为独立基础(独立桩承台)。

计算方法

(1)独立基础垫层的体积

垫层体积=垫层面积×垫层厚度

(2)独立基础垫层模板

垫层模板=垫层周长×垫层高度

(3)独立基础体积

独立基础体积=各层体积相加(用长方体和棱台公式)

(4)独立基础模板

独立基础模板=各层周长×各层模板高

(5)基坑土方工程量

基坑土方的体积应按基坑底面积乘以挖土深度计算。基坑底面积应以基坑底的长乘以基坑底的宽,基坑底长和宽是指混凝土垫层外边线加工作面,如有排水沟者应算至排水沟外边线。排水沟的体积应纳入总土方量内。当需要放坡时,应将放坡的土方量合并于总土方量中。

(6)槽底钎探工程量

槽底钎探工程量,以槽底面积计算。

小蚂蚁算量工厂根据自己的经验,总结了一下独立基础工程量计算方法。

参考资料:百度百科——工程量计算规则

回答(2):

挖条形基础 V=L*(ah+kh2)
a=垫层宽+工作面*2
h=挖土深度
k=放坡系数
挖基坑 V=(a+2c+kh)*(b+2c+kh)*h+1/3k2h3
a=长底边
b=短底边
c=工作面
h=挖土深度
k=放坡系数

回答(3):

一般定额书上都有,分放坡和不放坡二种。

回答(4):

L代表基础或基坑长度

回答(5):

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