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独立砖基础工程量计算

时间:2002-01-01 23:53:10 来源:jzgfw.com 作者:发帖专用 点击:
面为分界,以上为塔身,以下为基础,分别套用相应基础砌体定额。
水塔由水柜(水箱、水槽)、塔身和基础三部分组成。水箱由顶板、槽壁、底板及圈梁(环梁)等组成。如图213所示。

(1)水箱的槽壁一般为圆筒形,而锥形水槽箱是由正锥壳顶和下锥壳(即倒锥壳)组成。对于圆筒形槽壁工程量可按下式计算。
V=2πRHt
式中Raaa3aaaaaa3aaa圆筒形槽壁中心半径(即槽壁内外半径平均值);

Haaa3aaaaaa3aaa槽壁高(算至上下环梁边线的距离);
taaa3aaaaaa3aaa槽壁厚度。
(2)环梁(圈梁)工程量按下式计算
V环=2πRS
式中Raaa3aaaaaa3aaa环梁中心半径;
Saaa3aaaaaa3aaa环梁横断面积。
(3)球壳底面板的工程量计算式为:
V球=2πR1h1t
式中R1aaa3aaaaaa3aaa球壳体中心半径;

h1aaa3aaaaaa3aaa球壳底边水平线至壳顶板截面中点的高度(即球壳上下边线高的平均值);
taaa3aaaaaa3aaa球壳板的厚度。
21.砖平碹平砌砖过梁按图示尺寸以m3计算。如图214所示。如设计无规定时,砖平碹门窗洞口宽度两端共加100mm,乘以高度(门窗洞口中宽小于1500mm时,高度为240mm,大于1500mm时,高度为365mm)计算;平砌砖过梁按门窗洞口宽度两端共加500mm,高度按440mm计算。
其工程量计算式为:
V=拱长×拱高×拱厚×个数
图214砖砌平拱
a)立面图b)1|1剖面图
22.烟囱散水工程量如图215所示。
S=π(R1 b)2-πR21-bB
式中Saaa3aaaaaa3aaa散水面积;
R1aaa3aaaaaa3aaa烟囱底外半径;
baaa3aaaaaa3aaa散水宽;Baaa3aaaaaa3aaa烟道宽。
23.圆锥形、球形塔顶及箱底工程量
(1)圆锥形(如图216所示)
V=πrKt
(2)球形(如图217所示)
V=π(a2 H2)t

图215烟囱散水图216圆锥形塔顶图217球形塔顶

式中raaa3aaaaaa3aaa圆锥底面半径;
aaaa3aaaaaa3aaa球形底面半径;Haaa3aaaaaa3aaa高;
taaa3aaaaaa3aaa厚度;Kaaa3aaaaaa3aaa圆锥斜高。
24.独立砖基础工程量计算
独立砖基础(砖柱基础)工程量按体积以m3计算。其计算公式为:
V柱=abh ΔV放
式中V柱aaa3aaaaaa3aaa柱基工程量;

a、baaa3aaaaaa3aaa基础柱断面长、宽,如图218所示;

haaa3aaaaaa3aaa基础柱高度,即基础垫层上表面至基础与柱的分界线的高度;

ΔV放aaa3aaaaaa3aaa柱基大放脚增加体积。

25.砖砌体山墙面积计算方法(如图219所示)

图218等高式砖柱基础示意图
图219砖砌体山墙示意图
当θ=30°时A=L2×0.144
当θ=26°34′时A=L2×0.125

图220附墙砖垛基放脚
式中Aaaa3aaaaaa3aaa砖山墙面积(m2);
θaaa3aaaaaa3aaa山墙斜边与水平间夹角(度);
Laaa3aaaaaa3aaa山墙外包长度(m)。

26.砖垛基础大放脚体积
如图220所示,附墙砖垛基础大放脚的增加体积由突出墙体的尺寸d和两条斜虚线如图所示的范围决定,它相当于长度为d的砖墙基础大放脚增加体积,即
砖垛基础大放脚体积=砖垛大放脚增加断面面积×d×n

=砖垛大放脚增加体积×n

式中砖垛放大脚增加断面面积aaa3aaaaaa3aaa即为主墙基础大放脚增加断面面积;

daaa3aaaaaa3aaa砖附垛突出墙面尺寸,通常为125mm、250mm、375mm、500mm等;
naaa3aaaaaa3aaa附墙砖垛数。
砖垛基础体积=(砖垛宽×基础高度 砖垛放脚增加断面面积)×d×n
表21带形砖基础大放脚体积(间隔式)表

(最顶层为一行砖开始)
基顶宽/mm放脚层数大放脚体积/m3
长度基数/m
102030405060708090
115
一0.145aaa2aaaaaa2aaa0.290aaa2aaa0.4350.5800.7250.870aaa2aaa1.015aaa2aaa1.1601.305

二0.605aaa2aaaaaa2aaa1.210aaa2aaaaaa2aaa1.815aaa2aaaaaa2aaaaaa2aaa2.420aaa2aaaaaa2aaa3.025aaa2aaaaaa2aaaaaa2aaa3.6304.235aaa2aaa4.840aaa2aaaaaa2aaa5.aaa2aaaaaa2aaa445

三0.914aaa2aaaaaa2aaa1.828aaa2aaaaaa2aaaaaa2aaa2.742aaa2aaaaaa2aaaaaa2aaa3.656aaa2aaaaaa2aaa4.570aaa2aaaaaa2aaa5.484aaa2aaaaaa2aaa6.398aaa2aaa7.312aaa2aaa8.226
四aaa2aaaaaa2aaa1.689aaa2aaaaaa2aaa3.378aaa2aaaaaa2aaa5.067aaa2aaaaaa2aaaaaa2aaa6.756aaa2aaaaaa2aaa8.445aaa2aaa10.13411.82313.512aaa2aaa15.201aaa2aaa
180
一aaa2aaaaaa2aaa0.192aaa2aaaaaa2aaa0.384aaa2aaaaaa2aaa0.567aaa2aaaaaa2aaaaaa2aaa0.768aaa2aaaaaa2aaa0.960aaa2aaaaaa2aaa1.152aaa2aaaaaa2aaaaaa2aaa1.344aaa2aaaaaa2aaa1.536aaa2aaa1.728aaa2aaa

二aaa2aaaaaa2aaa0.734aaa2aaaaaa2aaa1.468aaa2aaaaaa2aaa2.202aaa2aaaaaa2aaaaaa2aaa2.936aaa2aaaaaa2aaa3.670aaa2aaaaaa2aaaaaa2aaa4.404aaa2aaaaaa2aaaaaa2aaa5.138aaa2aaaaaa2aaa5.872aaa2aaa6.606

三aaa2aaaaaa2aaa1.084aaa2aaaaaa2aaa2.168aaa2aaaaaa2aaa3.252aaa2aaaaaa2aaaaaa2aaa4.336aaa2aaaaaa2aaa5.420aaa2aaaaaa2aaaaaa2aaa6.504aaa2aaaaaa2aaaaaa2aaa7.588aaa2aaaaaa2aaa8.672aaa2aaa9.756
aaa2aaa四aaa2aaaaaa2aaaaaa2aaa1.941aaa2aaaaaa2aaa3.882aaa2aaaaaa2aaa5.823aaa2aaaaaa2aaaaaa2aaa7.764aaa2aaaaaa2aaa9.705aaa2aaaaaa2aaaaaa2aaa11.646aaa2aaaaaa2aaa13.587aaa2aaa15.52817.469aaa2aaa
240
一aaa2aaaaaa2aaa0.230aaa2aaaaaa2aaa0.460aaa2aaaaaa2aaa0.690aaa2aaaaaa2aaaaaa2aaa0.920aaa2aaa1.aaa2aaaaaa2aaa1501.380aaa2aaaaaa2aaaaaa2aaa1.610aaa2aaaaaa2aaaaaa2aaa1.840aaa2aaaaaa2aaaaaa2aaa2.070

二aaa2aaaaaa2aaa0.848aaa2aaaaaa2aaa1.696aaa2aaaaaa2aaa2.544aaa2aaaaaa2aaaaaa2aaa3.392aaa2aaa4.240aaa2aaa5.088aaa2aaaaaa2aaaaaa2aaa5.936aaa2aaaaaa2aaaaaa2aaa6.784aaa2aaaaaa2aaaaaa2aaa7.632

三aaa2aaaaaa2aaa1.235aaa2aaaaaa2aaa2.470aaa2aaaaaa2aaa3.705aaa2aaaaaa2aaaaaa2aaa4.940aaa2aaa6.175aaa2aaa7.410aaa2aaaaaa2aaaaaa2aaa8.645aaa2aaaaaa2aaaaaa2aaa9.880aaa2aaaaaa2aaaaaa2aaa11.115aaa2aaa

四aaa2aaaaaa2aaa2.168aaa2aaa4.336aaa2aaaaaa2aaa6.504aaa2aaaaaa2aaaaaa2aaa8.672aaa2aaa10.84013.008aaa2aaaaaa2aaa15.176aaa2aaaaaa2aaa17.344aaa2aaaaaa2aaa19.512

五aaa2aaaaaa2aaaaaa2aaa2.713aaa2aaa5.426aaa2aaaaaa2aaa8.139aaa2aaaaaa2aaaaaa2aaa10.85213.56516.278aaa2aaaaaa2aaa18.991aaa2aaaaaa2aaa21.704aaa2aaaaaa2aaa24.417

六aaa2aaaaaa2aaa3.960aaa2aaaaaa2aaa7.920aaa2aaaaaa2aaa11.880aaa2aaaaaa2aaa15.84019.80023.760aaa2aaaaaa2aaa27.720aaa2aaaaaa2aaa31.680aaa2aaaaaa2aaa35.640
(续)基顶宽/mm放脚层数
大放脚体积/m3长度基数/m
102030405060708090
365
一0.309aaa2aaaaaa2aaa0.618aaa2aaaaaa2aaa0.927aaa2aaaaaa2aaaaaa2aaa1.236aaa2aaaaaa2aaa1.545aaa2aaaaaa2aaaaaa2aaa1.854aaa2aaa2.163aaa2aaaaaa2aaa2.472aaa2aaaaaa2aaaaaa2aaa2.781aaa2aaa

二aaa2aaaaaa2aaa1.048aaa2aaa2.168aaa2aaaaaa2aaa3.252aaa2aaaaaa2aaaaaa2aaa4.336aaa2aaaaaa2aaa5.420aaa2aaaaaa2aaaaaa2aaa6.504aaa2aaaaaa2aaaaaa2aaa7.588aaa2aaaaaa2aaaaaa2aaa8.672aaa2aaaaaa2aaaaaa2aaa9.756aaa2aaa

三aaa2aaaaaa2aaa1.550aaa2aaaaaa2aaa3.100aaa2aaaaaa2aaa4.650aaa2aaaaaa2aaaaaa2aaa6.200aaa2aaaaaa2aaa7.750aaa2aaaaaa2aaaaaa2aaa9.300aaa2aaaaaa2aaaaaa2aaa10.850aaa2aaaaaa2aaa12.400aaa2aaaaaa2aaa13.950

aaa2aaaaaa2aaa四aaa2aaaaaa2aaaaaa2aaa2.640aaa2aaaaaa2aaa5.280aaa2aaaaaa2aaa7.920aaa2aaaaaa2aaa10.560aaa2aaa13.200aaa2aaaaaa2aaa15.840aaa2aaaaaa2aaa18.480aaa2aaaaaa2aaa21.120aaa2aaaaaa2aaa23.760

五aaa2aaaaaa2aaa3.264aaa2aaaaaa2aaa6.528aaa2aaaaaa2aaa9.792aaa2aaaaaa2aaaaaa2aaa13.056aaa2aaa16.320aaa2aaaaaa2aaa19.584aaa2aaaaaa2aaa22.848aaa2aaaaaa2aaa26.110aaa2aaaaaa2aaa29.376

六aaa2aaaaaa2aaa4.669aaa2aaaaaa2aaa9.338aaa2aaaaaa2aaa14.007aaa2aaaaaa2aaa18.676aaa2aaaaaa2aaa23.345aaa2aaaaaa2aaa28.014aaa2aaaaaa2aaa(责任编辑:发帖专用)
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