推荐回答(3个)
土石方调配方法,生产上采用土石方计算表调配法,直接在土石方表上进行调配,其优点是方法简单,调配清晰,精度符合要求。该表也可由计算机自动完成。具体调配步骤是:
1、土石方调配是在土石方数量计算与复核完毕的基础上进行的,调配前应将可能影响运输调配的桥涵位置、陡坡大沟等注明在表旁,供调配时参考。
2、计算并填写表中“本桩利用”、“填缺”、“挖余”各栏。当以石作填土时,石方数应填入“本桩利用”的“土”一栏,并以符号区别。然后按填挖方分别进行闭合核算,其核算式为:
填方=本桩利用+填缺
挖方=本桩利用+挖余

3、在作纵向调配前,根据“填缺”、“挖余”的分布情况,选择适当施工方法及可采用的运输方式定出合理的经济运距,供土方调配时参考。
4、根据填缺、挖余分布情况,结合路线纵坡和自然条件,本着技术经济少占用农田的原则,具体拟定调配方案。将相邻路段的挖余就近纵向调配到填缺内加以利用,并把具体调运方向和数量用箭头表明在纵向调配栏中。
5、经过纵向调配,如果仍有填缺或挖余,则应会同当地政府协商确定借土或弃土地点,然后将借土或弃土的数量和运距分别填注到借方或废方栏内。
扩展资料:
1、更工程台账的建立
随着工程施工的深入,不可避免地会出现各式各样的变更工程,一般为了不影响工程的顺利进行,工程变更图纸及设计、施工要求会很快下发,工程量的确定也比较容易,而“变更令”的下发会比较滞后,因为单价审核程序比较繁琐,同时施工单位、监理单位及业主对此部分工作都不是很重视。因此对于变更工程的计量主要是确定单价。
办法有两个:
(1)、采用现有合同工程项目的单价。
(2)、估计一个暂定单价。由于变更工程的数量不是很多,一般采用计流水帐的方法建立台账,待“变更令”下发后再归纳整理。
2、分项工程计量台账的建立
对于工程量大、施工时间长的分项工程,除建立以上计量台账外还要建立分项工程计量台账,以便掌握工程进度,如路基土石方工程、隧道工程、挡墙工程等。这些分项工程计量台账中还要列入设计工程数量,随时计算设计数量与已计量数量之差,以免可能出现的超额计量情况。设计工程数量可将设计图纸中的数量录入,对于变化比较大的分项工程数量,变更后可将变更工程数量录入。
参考资料来源:百度百科-工程计量
参考资料来源:百度百科-土方调配
例如:一类、二类土放坡起点1.2米,意思是挖土深度在1.2米以内的就不用放坡,直接计算时如挖深为1米,那就按1米计算,不用考虑放坡系数的问题;如挖土深度大于1.2米是就要考虑其放坡系数。比如人工挖一类土,深度为4米,那么放坡宽度计算如下:B=H*M=4*0.5=2米。
只要考虑放坡系数就是指全放坡。
应该是全放坡而不是2.8m部分放坡
放坡宽度每边都是4×0.5=2m
开口宽为4+2×2=8m
也就是说 超过1.2m就开始放坡 而且是全放坡而不是1.2m范围内不放
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