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路基的 表层和基底处理技术有何不同?
网址:http://www.    发布时间:2019-04-26
路基的 好坏影响着公路的使用寿命,而路基 的表层和基底的处理是十分重要的,下面就 由济南大 黄蜂反击破碎机租赁厂家为大家讲解一下路基的表层和基底处理技术的区别,希望对大家有所帮助!
The quality of the roadbed affects the service life of the highway, and the treatment of the surface and the base of the roadbed is very important. The following is to explain the difference between the surface and the base treatment technology of the roadbed by Jinan Bumblebee counterattack crusher rental factory, hoping to help you!
表层处置:
Surface disposal:
1、路基开挖与填筑前,人工砍树挖根、清算渣滓、有机物残渣、推土机 推除耕植土及腐殖土,推土机场地平整。填方基 底基岩掩盖层较薄时要肃清,较厚且稳定时要保存。施工时由设计、地勘、监理单位判别,做专项验收。
1. Before roadbed excavation and filling, artificial tree cutting, root digging, dregs clearing, organic residues, bulldozers, tillage and humus soil removal, bulldozing Airport leveling. When the bedrock cover of filling basement is thinner, it should be removed, and when it is thicker and stable, it should be preserved. During construction, the design, geological prospecting and supervision units shall distinguish and make special acceptance checks and acceptances.
2、用地范围内的渣滓,有机物 残渣及原空中以下至少30cm内的草皮、根系和表土预以肃清,并依据 图纸和标准请求将不含石块、渣滓及 有害物质的表土停止搜集,运到恰 当的暂时堆放场地寄存,用于绿 化及弃土场的复耕。堆放同 时做好排水措施,以免形 成水土流失污染周边环境。
2. Dregs, organic residues and grass, roots and topsoil within 30 cm of the original air should be removed in advance. According to drawings and standard requests, topsoil without stones, residues and harmful substances should be collected and transported to appropriate temporary stacking sites for storage for greening and re-tillage of abandoned sites. At the same time, drainage measures should be taken to avoid soil erosion and pollution of the surrounding environment.
3、场地清 算完成后报请监理工程师检查,合格后 停止下一步施工。
3. After the site liquidation is completed, the supervisory engineer shall report it to the supervisory engineer for inspection, and the next construction shall be stopped after it is qualified.
4、陡、斜坡路 堤及半填半挖之填方区路堤:当路堤 不稳定或其坡脚为脆弱土基时,必需采用取换填、砂桩、冲击碾压、挡土墙 等措施强化处置。
4. Steep and sloping embankments and semi-filled and semi-excavated embankments: When the embankment is unstable or its foot is a fragile soil foundation, measures such as replacement, sand pile, impact rolling, retaining wall must be adopted to strengthen the treatment.
济南大
黄蜂反击破碎机租赁厂家
基底处置:
Base disposal:
5、从填方 坡脚起向上设置向内侧倾斜2-4%的反向台阶,台阶宽度不小于2.5米,高填方 路段台阶宽度不小于3m,并按请 求对台阶停止填筑压实,到达标准请求压实度。每层台 阶都切入稳定土层,构成台阶工作面。
5. Set up a 2-4% inclined reverse step from the foot of the filling slope upward. The width of the step is not less than 2.5 meters, and the width of the high filling section step is not less than 3 meters. Stop filling and compacting the step according to the request, and reach the standard required compactness. Each step cuts into the stable soil layer and forms a step working face.
6、石质山坡,肃清原 空中松懈风化层,由于沉降差别较明显,所以开 挖台阶应留意从填方至挖方的刚温和过渡,防止产 生纵横向路面裂痕。
6. Stony hillside, eliminate the loose weathered layer in the air. Because of the obvious difference in settlement, the excavation step should pay attention to the rigid and mild transition from filling to excavation, so as to prevent the longitudinal and transverse road surface cracks.
7、肃清孤石、石笋。
7. Remove orphans and stalagmites.
8、有公开 水或空中水汇流的路段,采用挖沟措施导排水。
8. Digging measures shall be adopted to guide and drain water in sections with open water or air water confluence.
9、场地清算完成后,停止填前碾压,使其密 实度到达规则请求(90%)。
9. After site liquidation, stop rolling before filling and make its compactness reach the rule request (90%).
本文由济南大黄蜂反击破碎机租赁厂家友情贡献.更多有 关的学问请点击:http://www.!我们将用先进的技术.真诚的态度.为您提 供为全面的效劳.更多有 关的学问我们将会陆续向大家贡献.敬请等待。
This article is contributed by Jinan Bumblebee counterattack crusher rental factory friendship. For more information, please click: http://www.! We will use advanced technology and sincere attitude to provide you with comprehensive services. More relevant knowledge will be contributed to you one after another. Please wait.
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