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第一千三百五十一章 消除顾虑(求月票)

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第一千三百五十一章消除顾虑(求月票)

鉴于朱代东对于楚川公路的高标准、严要求,以及施工进度计划的严格限制,楚川公路的修建将以主攻重点为主,多任务点同时展开,在既保证质量的前提下,又要以最快的速度修好这条公路。龙腾小说ltxs520.com在整个公路线上,以两结构物之间或二百米为一施工区段。各施工区段结合涵洞施工组织平行流水作业,分段施工,分层填筑,分层碾压,分段成型。在雨季结合路基填料情况安排施工,开工一段,成型一段。

公路的质量好不好,最主要是看路基能不能修好,修扎实。路基起到一个起承托路面的作用,如果路基不好,则路面修得再厚,水泥比例再高,也是枉然。一旦路基塌陷,路面必然断裂。

但在路基施工之前,更重要的则是排水工程,水是形成路基病害的主要因素之一,路基强度和稳定性同水有密切关系。地基浸水降低承载力,填土料过湿,含水量高于含水量时,路基压实困难。对于影响路基稳定的地下水,即使设计未做出具体方案,要提出疏导、堵截、隔离等降低地下水位或引导到路基范围之外的工程措施。

对于地面水,路基施工前首先做好截水沟、排水沟、盲沟,截断和疏于路面施工范围内的地面水。路堤填筑过程中每个填层都要设排水路拱,及时排除地面雨水。较高填方要做临时排水急流槽,防止雨水冲刷路堤边坡。施工期间的临时排水要与运营阶段的永久排水相结合,与路基同步施工。在施工过程中派专人进行定期清理维护。

从排水系统和基底处理开始,朱代东每天都会抽了一部分时间去施工工地视察,对于如何筑路,朱代东现在已经算是半个专家,他对于一些理论的熟悉程度,比一些施工员和工程师还要强。

这次对于修建楚川公路,朱代东并没有像原来在雨花县和芙蓉县那样,发动广大群众,只是从芙蓉县请来了一百名准专业业余监理员,在木川和省里的监理部门配合下,全力确保楚川公路的质量。

其实只要市政府的资金到位,在利益上跟城投公司下面的建筑公司没有太大的冲突,谁也不想故意修很差的路。而时友军每天也都会来工地转转,他是楚川公路项目的总指挥,这也是他到木川之后主持修建的第一条高标准公路,他对此的重视程度一点也不亚于朱代东。

“友军市长,路基的清表碾压进展有些慢啊。”朱代东说道,他每次来工地,除了要亲自看了看之外,还要跟现场的施工人员交流,从他们那里,朱代东能得到一手的资料。而他当时就能判断出来自一线工人的声音,到底是真的还是假的。让他欣慰的是,向自己汇报情况的普通工人也好,监理人员也好,来自芙蓉县的业务监理员也罢,他们对待工作都很认真,跟自己也是真心交流。

特别是来自芙蓉县的那一百名业余监理员,虽然他们是业余的,理论水平可能不如专业的监理员,但是他们工作认真,也有一定的实践经验。最重要的是,木川市政府给他们每人都发了一本专业定制的施工技术规范,每一个阶段需要注意什么事项,他们都能按照上面的要求,严格监督执行。

“是啊,楚川公路没有老的路基,所以在这方面需要花费的时间要多些。但磨刀不误砍柴工,这段工作做好了,以后的工作才有意义。”时友军说道,他知道朱代东在雨花县和芙蓉县的时候都主持修过公路,别看当时修的只是县级公路,可是公路的质量,一点也不亚于国家级公路。

当时时友军还记得,他还去这两个地方视察过,是朱代东陪同向他汇报工作的。可是一转眼,现在轮到他向朱代东汇报工作了,人生际遇如此,也算是非常神奇了。

地面表层的种植土含有各种草根和有机杂质,时间长容易腐烂,引起路基沉陷,所以对填方段和利用挖方段的原地面要清除表土。高速公路、一级公路路基范围内的树根要全部挖掉,坑穴填平夯实,在清理地表后要整平压实。

为保证路堤的强度和稳定性,需尽可能选择当地稳定性好并具有一定强度的土石作为路基填料。不得使用淤泥、沼泽土、冻土、有机土、含草皮土、生活垃圾、树根和含有腐殖质的影响路基强度的土。盐渍土、黄土、膨胀土、碾压成型后稳定性差,要限制使用。

楚川公路是新开辟的线路,在设计的时候,采用的最短的距离,这条公路要经过农田、林地还有一部分草地,因此对于路基的要求就非常严。

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