城开高速吴家梁隧道泄水洞工程顺利贯通
<p style="margin-top: 0px; margin-bottom: 0px; padding: 0px; border: 0px; color: rgb(51, 51, 51); font-family: ���ź�, Helvetica, Arial, sans-serif; font-size: 17.068px; white-space: normal; background-color: rgb(255, 255, 255); text-indent: 2em; text-align: justify;">城开高速吴家梁隧道,此隧道作为城口连接开州的重要一环,对促进地方旅游景点实现有效串联,让沿线形成交旅融合、农旅融合等产业发展格局起着至关重要的作用。但由于该隧道时常受山洪影响,道路经常出现封闭或半幅通车情况时有发生……</p><p style="margin-top: 0px; margin-bottom: 0px; padding: 0px; border: 0px; color: rgb(51, 51, 51); font-family: ���ź�, Helvetica, Arial, sans-serif; font-size: 17.068px; white-space: normal; background-color: rgb(255, 255, 255); text-indent: 2em; text-align: justify;"><br/></p><p></p><section class="_135editor active" data-role="title" data-tools="135编辑器" data-id="141581" style="margin: 0px; padding: 0px; border: 0px; color: rgb(51, 51, 51); font-family: ���ź�, Helvetica, Arial, sans-serif; font-size: 17.068px; white-space: normal; background-color: rgb(255, 255, 255); flex-shrink: 1 !important;"><section class="styleActive" style="margin: 10px auto; padding: 0px; border: 0px; flex-shrink: 1 !important; display: flex; justify-content: center;"><section style="margin: 0px; padding: 0px; border: 0px; flex-shrink: 1 !important; transform-style: preserve-3d;"><section style="margin: 0px 0px -15px -10px; padding: 0px; border: 0px; flex-shrink: 1 !important; width: 30px; box-sizing: border-box; transform: translateZ(5px);"><svg xmlns="http://www.w3.org/2000/svg" viewbox="0 0 63.73 47.04" style="display: block;" xml:space="default"><g id="图层_2" data-name="图层 2"><g id="图层_1-2" data-name="图层 1"><path d="M51.2,0,63.73,12.53,12.53,47,0,34.51Z" style="fill:#f5e453;fill-rule:evenodd;opacity:0.800000011920929;isolation:isolate"></path></g></g></svg></section><section style="margin: 0px; padding: 0px; border: 0px; flex-shrink: 1 !important; display: flex; align-items: flex-end;"><section style="margin: 0px; padding: 6px 15px; border: 0px; flex-shrink: 1 !important; background-color: rgb(166, 202, 55); z-index: 5; box-sizing: border-box;"><section class="assistant" style="margin: 0px; padding: 0px; border: 0px; flex-shrink: 1 !important; color: rgb(255, 255, 255);"><strong class="135brush" data-brushtype="text" style="margin: 0px; padding: 0px; border: 0px;"><span style="margin: 0px; padding: 0px; border: 0px; color: rgb(0, 0, 0); text-align: justify; text-indent: 32px;">工期紧任务重,如何破局?</span></strong></section></section><section style="margin: 0px 0px 0px -15px; padding: 0px; border: 0px; flex-shrink: 0; z-index: 5;"><section class="assistant" style="margin: 0px; padding: 0px; border: 0px; flex-shrink: 1 !important; width: 40px; box-sizing: border-box; height: 0px; overflow: hidden;"></section></section></section></section></section></section><p></p><p style="margin-top: 0px; margin-bottom: 0px; padding: 0px; border: 0px; color: rgb(51, 51, 51); font-family: ���ź�, Helvetica, Arial, sans-serif; font-size: 17.068px; white-space: normal; background-color: rgb(255, 255, 255); text-indent: 2em; text-align: justify;">“工期不仅短,任务也非常重……”2023年6月,重庆中环建设有限公司开始成立城开高速旗杆山、吴家梁隧道泄水洞工程项目部,城开A1段项目部经理李久红开始兼顾负责该项目施工。一边是重要节点工程大巴山隧道施工,一边是合同工期18个月的旗杆山、吴家梁隧道泄水洞工程,两边都需要人手,都需要强兵猛将。面对着时间紧、任务重、人员抽调多、管理难度大等困难。</p><p style="margin-top: 0px; margin-bottom: 0px; padding: 0px; border: 0px; color: rgb(51, 51, 51); font-family: ���ź�, Helvetica, Arial, sans-serif; font-size: 17.068px; white-space: normal; background-color: rgb(255, 255, 255); text-indent: 2em; text-align: justify;"></p><p style="margin-top: 0px; margin-bottom: 0px; padding: 0px; border: 0px; color: rgb(51, 51, 51); font-family: ���ź�, Helvetica, Arial, sans-serif; font-size: 17.068px; white-space: normal; background-color: rgb(255, 255, 255); text-indent: 2em; text-align: justify;">筹备伊始,项目部对城开高速旗杆山、吴家梁隧道泄水洞工程,多次开会讨论,经多方论证。最终,项目部达成一致意见,抽调精干人员奔赴城开高速旗杆山、吴家梁隧道泄水洞,抓紧项目部筹备以及便道施工工作,誓要啃下这块硬骨头。在前期克服了无驻地、无食堂、少交通工具、征地协调等困难,2023年7月,泄水洞工程正式施工。</p><p style="margin-top: 0px; margin-bottom: 0px; padding: 0px; border: 0px; color: rgb(51, 51, 51); font-family: ���ź�, Helvetica, Arial, sans-serif; font-size: 17.068px; white-space: normal; background-color: rgb(255, 255, 255); text-indent: 2em; text-align: justify;"> </p><p></p><section class="_135editor active" data-role="title" data-tools="135编辑器" data-id="141581" style="margin: 0px; padding: 0px; border: 0px; color: rgb(51, 51, 51); font-family: ���ź�, Helvetica, Arial, sans-serif; font-size: 17.068px; white-space: normal; background-color: rgb(255, 255, 255); flex-shrink: 1 !important;"><section class="" style="margin: 10px auto; padding: 0px; border: 0px; flex-shrink: 1 !important; display: flex; justify-content: center;"><section style="margin: 0px; padding: 0px; border: 0px; flex-shrink: 1 !important; transform-style: preserve-3d;"><section style="margin: 0px 0px -15px -10px; padding: 0px; border: 0px; flex-shrink: 1 !important; width: 30px; box-sizing: border-box; transform: translateZ(5px);"><svg xmlns="http://www.w3.org/2000/svg" viewbox="0 0 63.73 47.04" style="display: block;" xml:space="default"><g id="图层_2" data-name="图层 2"><g id="图层_1-2" data-name="图层 1"><path d="M51.2,0,63.73,12.53,12.53,47,0,34.51Z" style="fill:#f5e453;fill-rule:evenodd;opacity:0.800000011920929;isolation:isolate"></path></g></g></svg></section><section class="styleActive" style="margin: 0px; padding: 0px; border: 0px; flex-shrink: 1 !important; display: flex; align-items: flex-end;"><section style="margin: 0px; padding: 6px 15px; border: 0px; flex-shrink: 1 !important; background-color: rgb(166, 202, 55); z-index: 5; box-sizing: border-box;"><section class="assistant" style="margin: 0px; padding: 0px; border: 0px; flex-shrink: 1 !important; color: rgb(255, 255, 255);"><strong class="135brush" data-brushtype="text" style="margin: 0px; padding: 0px; border: 0px;"><span style="margin: 0px; padding: 0px; border: 0px; color: rgb(0, 0, 0); text-align: justify; text-indent: 32px;">山洪猛行路难,如何施工?</span></strong></section></section><section style="margin: 0px 0px 0px -15px; padding: 0px; border: 0px; flex-shrink: 0; z-index: 5;"><section class="assistant" style="margin: 0px; padding: 0px; border: 0px; flex-shrink: 1 !important; width: 40px; box-sizing: border-box; height: 0px; overflow: hidden;"></section></section></section></section></section></section><p></p><p style="margin-top: 0px; margin-bottom: 0px; padding: 0px; border: 0px; color: rgb(51, 51, 51); font-family: ���ź�, Helvetica, Arial, sans-serif; font-size: 17.068px; white-space: normal; background-color: rgb(255, 255, 255); text-indent: 2em; text-align: justify;">山洪,是吴家梁隧道泄水洞工程施工最大的安全隐患。项目安全生产副经理汪科介绍,在前期便道施工期间,遭遇连续暴雨,一次修筑施工刚完成不久就被强降雨后形成的洪水冲毁,期间由于山洪影响,便道陆续被冲毁过三次。</p><p style="margin-top: 0px; margin-bottom: 0px; padding: 0px; border: 0px; color: rgb(51, 51, 51); font-family: ���ź�, Helvetica, Arial, sans-serif; font-size: 17.068px; white-space: normal; background-color: rgb(255, 255, 255); text-indent: 2em; text-align: justify;"></p><p style="margin-top: 0px; margin-bottom: 0px; padding: 0px; border: 0px; color: rgb(51, 51, 51); font-family: ���ź�, Helvetica, Arial, sans-serif; font-size: 17.068px; white-space: normal; background-color: rgb(255, 255, 255); text-indent: 2em; text-align: justify;">其中最大日涌水量达到了80万方,他曾带领项目部人员一起抬钢筋网片、背片石、搬防汛沙袋……曾连续奋战过五天五夜,而这样的经历,他们总共经历过3次。因时常受山洪影响,项目部组织成立了专门的抢险作业队伍,并坚持“排、堵结合,以排为主,上堵下排”的原则施工,减少施工安全风险。在材料运输上,工程部部长陈科任依然记得,为了将材料按时送达施工现场,他和司机古顺银途经陕西,一天连夜吃住都在货车上面,一路押运。运输途中,由于货车超长达到25米,部分省道道路狭窄,只能人工一路搬运片石垫路通行。道路不畅,就找来骡马将材料运输至洞口,完成进洞首炮。吴家梁隧道施工,不仅面临山洪猛行路难的问题,因吴家梁隧道泄水洞穿越煤层,设计为低瓦斯隧道,项目部在配备专职瓦检员对隧道内有毒有害气体进行监测的同时,采取“技防+人防”,并严格落实“一炮三检”,加强隧道通风,确保项目工程的顺利进行。</p><p style="margin-top: 0px; margin-bottom: 0px; padding: 0px; border: 0px; color: rgb(51, 51, 51); font-family: ���ź�, Helvetica, Arial, sans-serif; font-size: 17.068px; white-space: normal; background-color: rgb(255, 255, 255); text-indent: 2em; text-align: justify;"><br/></p><p></p><section class="_135editor active" data-role="title" data-tools="135编辑器" data-id="141581" style="margin: 0px; padding: 0px; border: 0px; color: rgb(51, 51, 51); font-family: ���ź�, Helvetica, Arial, sans-serif; font-size: 17.068px; white-space: normal; background-color: rgb(255, 255, 255); flex-shrink: 1 !important;"><section class="" style="margin: 10px auto; padding: 0px; border: 0px; flex-shrink: 1 !important; display: flex; justify-content: center;"><section style="margin: 0px; padding: 0px; border: 0px; flex-shrink: 1 !important; transform-style: preserve-3d;"><section style="margin: 0px 0px -15px -10px; padding: 0px; border: 0px; flex-shrink: 1 !important; width: 30px; box-sizing: border-box; transform: translateZ(5px);"><svg xmlns="http://www.w3.org/2000/svg" viewbox="0 0 63.73 47.04" style="display: block;" xml:space="default"><g id="图层_2" data-name="图层 2"><g id="图层_1-2" data-name="图层 1"><path d="M51.2,0,63.73,12.53,12.53,47,0,34.51Z" style="fill:#f5e453;fill-rule:evenodd;opacity:0.800000011920929;isolation:isolate"></path></g></g></svg></section><section class="styleActive" style="margin: 0px; padding: 0px; border: 0px; flex-shrink: 1 !important; display: flex; align-items: flex-end;"><section style="margin: 0px; padding: 6px 15px; border: 0px; flex-shrink: 1 !important; background-color: rgb(166, 202, 55); z-index: 5; box-sizing: border-box;"><section class="assistant" style="margin: 0px; padding: 0px; border: 0px; flex-shrink: 1 !important; color: rgb(255, 255, 255);"><strong class="135brush" data-brushtype="text" style="margin: 0px; padding: 0px; border: 0px;"><span style="margin: 0px; padding: 0px; border: 0px; color: rgb(0, 0, 0); text-align: justify; text-indent: 32px;">上行车下施工,如何贯通?</span></strong></section></section><section style="margin: 0px 0px 0px -15px; padding: 0px; border: 0px; flex-shrink: 0; z-index: 5;"><section class="assistant" style="margin: 0px; padding: 0px; border: 0px; flex-shrink: 1 !important; width: 40px; box-sizing: border-box; height: 0px; overflow: hidden;"></section></section></section></section></section></section><p></p><p style="margin-top: 0px; margin-bottom: 0px; padding: 0px; border: 0px; color: rgb(51, 51, 51); font-family: ���ź�, Helvetica, Arial, sans-serif; font-size: 17.068px; white-space: normal; background-color: rgb(255, 255, 255); text-indent: 2em; text-align: justify;">由于吴家梁隧道泄水洞下穿运营高速公路的特殊性,项目部与设计人员沟通后,调整横向支洞下沉0.5m进行开挖施工。这样距中心水沟最近的净距由0.75m调整到1.98m,距离路面达到3m以上,最大限度留有岩柱,以确保开挖安全及行车安全。同时邀请北京科技大学科研团队对数码电子雷管精准延时爆破进行专项设计。雷管间隔参数控制在50ms/段。同时对穿过公路段爆破震速全过程进行爆破振速监测,将爆破振速控制在2cm/s以下,达到无感震动效果。在放炮时采取“爆破联动机制”,保障行车安全。由于隧道断面小,大型机械设备无法进洞施工。项目部在传统作业的基础上,自主研发开挖台车、立架台车、喷浆机具等。</p><p style="margin-top: 0px; margin-bottom: 0px; padding: 0px; border: 0px; color: rgb(51, 51, 51); font-family: ���ź�, Helvetica, Arial, sans-serif; font-size: 17.068px; white-space: normal; background-color: rgb(255, 255, 255); text-indent: 2em; text-align: justify;"></p><p style="margin-top: 0px; margin-bottom: 0px; padding: 0px; border: 0px; color: rgb(51, 51, 51); font-family: ���ź�, Helvetica, Arial, sans-serif; font-size: 17.068px; white-space: normal; background-color: rgb(255, 255, 255); text-indent: 2em; text-align: justify;">通过一系列精心组织和合理安排施工,2024年4月9日18时许,随着一声沉闷的炮响,积聚的山水从1米左右的口子喷涌而出,标志着吴家梁隧道泄水洞工程顺利贯通,比合同工期提前9个月时间。同时也标志着困扰吴家梁隧道受山洪影响不通车或半通车的难题从此成为历史。</p><p><br/></p><p><span style="font-size: 10px; color: rgb(191, 191, 191);">来源:掌上城口</span></p><link rel="stylesheet" href="//bbs.cktcw.cn/source/plugin/wcn_editor/public/wcn_editor_fit.css?v134_k7K" id="wcn_editor_css"/>
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