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强夯机施工时的作业条件

网址:http://www.sddhfjx.cn/   发布日期:2022-08-30 关注次数:
强夯机进行施工时,施工工艺、操作简单;适用土质范围广,加固效果显著,可取得较高的承载力;工效高,施工速度快(一般设备每月可加固5000~10000m2地基),较换上回填和桩基可缩短工期一半。下面强夯机租赁厂家来讲讲它的作业条件吧。
When the dynamic compaction machine is used for construction, the construction process and operation are simple; It is applicable to a wide range of soil, with remarkable reinforcement effect and high bearing capacity; High work efficiency and fast construction speed (general equipment can reinforce 5000-10000m2 foundation every month), which can shorten the construction period by half compared with backfilling and pile foundation. Let's talk about the operating conditions of the dynamic compaction machine rental manufacturer.
1.应有工程地质勘察报告、强夯场地平面图及设计对强夯的效果要求等技术资料。
1. There shall be engineering geological survey report, dynamic compaction site plan, design requirements for dynamic compaction effect and other technical data.
2.强夯范围内的所有地上、地下障碍物已经拆除或拆迁,对不能拆除的已采取防护措施。
2. All aboveground and underground obstacles within the scope of dynamic compaction have been removed or removed, and protective measures have been taken for those that cannot be removed.
3.场地已整平,并修筑了机械设备进出道路。表面松散上层已经预压。雨期施工周边已挖好排水沟,防止场地表面积水。
3. The site has been leveled and access roads for mechanical equipment have been built. The upper layer with loose surface has been preloaded. Drainage ditches have been dug around the construction site in rainy season to prevent ponding on the site surface.
4.已选定检验区作强夯试验,通过原位试夯和测试,确定强夯施工的各项技术参数,制定强夯施工方案。
4. The inspection area has been selected for dynamic compaction test. Through in-situ test compaction and testing, the technical parameters of dynamic compaction construction are determined and the dynamic compaction construction scheme is formulated.
强夯机租赁
5.当作业地区地下水位较高或表层为饱和粘性土层不利于强夯时,应先在表面铺0.5~2.0m厚的中(粗)砂、砂砾或块石垫层,以防设备下陷和便于消散孔隙水压,或采取降低地下水位措施后强夯。。
5. When the underground water level in the operation area is high or the surface layer is saturated cohesive soil layer, which is not conducive to dynamic compaction, 0.5-2.0m thick medium (coarse) sand, gravel or block stone cushion shall be laid on the surface first to prevent the equipment from sinking and facilitate the dissipation of pore water pressure, or the dynamic compaction shall be carried out after taking measures to reduce the underground water level..
6,当强夯所产生的震动对周围邻近建(构)筑物有影响时,应在靠建(构)筑物一侧挖减振沟或采取适当加固防振措施,并设观测点。
6. When the vibration generated by dynamic compaction has an impact on the surrounding buildings (structures), the vibration reduction ditch shall be dug on the side of the buildings (structures) or appropriate reinforcement and vibration prevention measures shall be taken, and observation points shall be set.
7.测量放线,定出控制轴线、强夯场地边线,钉木桩标出夯点位置,并在不受强夯影响的处所,设置若干个水准基点。
7. Survey and set out, determine the control axis and the side line of the dynamic compaction site, nail the wooden pile to mark the position of the compaction point, and set several benchmark points at the place not affected by the dynamic compaction.
要注意它的工艺标准适用于碎石土、砂土、低饱和度粉土、粘性土、湿陷性黄土、高填土、杂填土等地基加固工程;也可用于防止粉土及粉砂液化的地基加固工程;但不得用于不允许对工程周围建筑物和设备有一定振动影响的地基加固工程,必需用时,应采取防振、隔振措施。关注我们http://www.sddhfjx.cn,了解更多!
It should be noted that its technical standards are applicable to foundation reinforcement projects such as gravelly soil, sandy soil, low saturation silt, cohesive soil, collapsible loess, high fill and miscellaneous fill; It can also be used for foundation reinforcement works to prevent liquefaction of silt and silt; However, it shall not be used in the foundation reinforcement works that are not allowed to have certain vibration impact on the buildings and equipment around the project. If necessary, anti vibration and vibration isolation measures shall be taken. Follow us http://www.sddhfjx.cn Yes, learn more!
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