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背景

背景

问答题
2021-09-02 02:16
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正确答案

(1)不妥当。主要是施工组织设计变更方案的审批程序不符合有关规定。 
正确做法:施工组织设计编制后应由企业技术负责人审批,有变更时要办理变更手续,变更的施工组织设计仍由企业技术负责人审批。 
(2)不正确。厂拌石灰粉煤灰稳定碎石混合料,自拌合开始至摊铺有时限要求。 
正确做法:拌成的混合料堆放时间不得超过24h,否则将影响石灰粉煤灰稳定碎石混合料的强度,影响基层的施工质量。 
(3)有两处违反施工规范的规定: 
1)养护期间应封闭交通,严禁重型车辆通行。 
2)严禁采用薄层贴补方式进行找平。 
其危害主要有: 
①基层养护期间有重型车辆通行,会影响石灰粉煤灰稳定碎石基层的强度增长和平整度。 
②采用石灰粉煤灰稳定碎石薄层贴补方式进行找平,将破坏道路基层的整体性,造成路面面层的局部破损。


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